CN103354776B - The manufacture method of thermoplastic resin composition's particle, extruder and mould - Google Patents
The manufacture method of thermoplastic resin composition's particle, extruder and mould Download PDFInfo
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- CN103354776B CN103354776B CN201180067335.XA CN201180067335A CN103354776B CN 103354776 B CN103354776 B CN 103354776B CN 201180067335 A CN201180067335 A CN 201180067335A CN 103354776 B CN103354776 B CN 103354776B
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- 229920005992 thermoplastic resin Polymers 0.000 title claims abstract description 61
- 239000011342 resin composition Substances 0.000 title claims abstract description 53
- 239000002245 particle Substances 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000007599 discharging Methods 0.000 claims abstract description 82
- 238000007664 blowing Methods 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims description 17
- 238000010926 purge Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 149
- 230000000694 effects Effects 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 238000003763 carbonization Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 5
- 239000012744 reinforcing agent Substances 0.000 description 5
- 239000004734 Polyphenylene sulfide Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000254 damaging effect Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920000106 Liquid crystal polymer Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012765 fibrous filler Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92723—Content, e.g. percentage of humidity, volatiles, contaminants or degassing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92971—Fluids, e.g. for temperature control or of environment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention provides a kind of set thing suppressing to adhere near the squit hole being deposited in extruder mould makes the quality of product decline, hinder the technology of the problems such as stable formation.Use extruder that the thermoplastic resin composition of molten condition is shaped, this extruder has mould and the 1st gas blows portion, this mould has for making the thermoplastic resin composition of molten condition be the squit hole that wire sprays, and the 1st gas blows portion and gas is blown to sprayed thread.More specifically, blowing portion from above-mentioned 1st gas to blow on the boundary line between thread and the top of above-mentioned opening that is extruded at least partially by gas.In addition, for above-mentioned mould, in the discharging surface of mould, from the lower end of the opening of squit hole to the beeline of the periphery of mould be 2mm ~ 5mm.
Description
Technical field
The present invention relates to the manufacture method of thermoplastic resin composition's particle, extruder and mould.
Background technology
As the one of method of forming during extruding thermoplastic resins material, widely use the extrusion molding adopting screw extruder.Screw extruder has single shaft or multiple screw extruder, and extruder has screw rod, machine barrel (being also referred to as cylinder), drive unit, heating/cooling unit etc. usually, is provided with the mould corresponding to editing objective in squit hole part.
When using extruder that thermoplastic resin composition is shaped, thermoplastic resin composition's attachment is stranded in around the squit hole of mould, forms the caking being called set thing (Japanese: メ ヤ ニ).This set thing understands carbonization and variable color.
And if extrusion molding continues the long period, then set thing is by near attachment is accumulated in extruder mould gradually squit hole.If place in this state, then the set thing of carbonization can be attached to the extrudate in wire.Sometimes this set thing becomes the foreign matter in final products, and the quality of final products is declined.Further, sometimes this set thing also become cause threadlike extrudates fracture etc., cannot the reason of runs steadily.
For this reason, be necessary at the scene that manufactures to carry out using tweezers etc. will adhere to the operation of the set thing removal be deposited on mould.Although carry out the removal operation of set thing with can not stopping extrusion molding, owing to being handwork, operation is very numerous and diverse.
Therefore, a kind of method (with reference to patent document 1) preventing set produce raw that can prevent the generation of set thing when thermoplastic resin formed body such as acquisition wire, sheet etc., can realize improving the quality of productivity and maintenance product etc. is disclosed.
Further, disclosing a kind of technology of problem as improving set thing, being provided with outstanding nozzle at the squit hole of mould, extrude the method (with reference to patent document 2) of thread via outstanding nozzle.
According to the technology described in patent document 1, patent document 2, although there is certain effect for the problem of set thing, seek further improvement.
Patent document 1: Japanese Unexamined Patent Publication 2003-019740 publication
Patent document 2: Japanese Unexamined Patent Publication 2003-136579 publication
Summary of the invention
the problem that invention will solve
The present invention makes to solve above problem, its object is to, and the set thing providing a kind of suppression to adhere to accumulation near the squit hole of extruder mould makes the quality of product decline, hinder the technology of the problems such as stable formation.
for the scheme of dealing with problems
The present inventor attentively studies repeatedly in order to solve above-mentioned problem.It found that: just can solve above-mentioned problem by using thermoplastic resin composition's shaping of following extruder to molten condition, this extruder has mould and the 1st gas blows portion, this mould has the squit hole for by the thermoplastic resin composition of molten condition being wire ejection, and the 1st gas blows portion for gas is blown to sprayed thread.More specifically, find: on the boundary line between above-mentioned 1st gas blows top that gas to blow to the opening of thread and the above-mentioned squit hole be extruded by portion at least partially, above-mentioned mould be in the discharging surface of mould from the lower end of the opening of squit hole to the beeline of mould periphery be 2mm ~ 5mm, just can solve above-mentioned problem, thus complete the present invention.The invention provides following technical scheme.
(1) a kind of manufacture method of thermoplastic resin composition's particle, it is the method using extrusion mechanism fabricate-heat thermoplastic resin composition particle, it is characterized in that, the squit hole of mould being certainly located at above-mentioned extruder by the thermoplastic resin composition of molten condition be wire extrude time, on boundary line between top gas being blown to the opening by discharging surface side of the thread be extruded and above-mentioned squit hole at least partially, in the discharging surface of above-mentioned mould, from the lower end of the opening of above-mentioned squit hole to the beeline of the periphery of above-mentioned mould be 2mm ~ 5mm.
(2) manufacture method of the thermoplastic resin composition's particle according to technical scheme (1), wherein, on above-mentioned boundary line is the part of the point of interface comprised between the upper end of above-mentioned opening and above-mentioned thread at least partially, and, also to a part of blow gas of the point of interface comprised between the lower end of above-mentioned opening and above-mentioned thread.
(3) manufacture method of the thermoplastic resin composition's particle according to technical scheme (2),
Wherein, notch part is formed in the above-mentioned discharging surface of above-mentioned mould, above-mentioned notch part is formed in the position on the lower, position of the above-mentioned opening of ratio of above-mentioned discharging surface, and the gas that the part to the point of interface comprised between the lower end of above-mentioned opening and above-mentioned thread blows is through the cut space because forming above-mentioned notch part.
(4) a kind of extruder, wherein, this extruder has mould and the 1st gas blows portion, this mould has the squit hole for by the thermoplastic resin composition of molten condition being wire ejection, 1st gas blows portion for gas is blown to sprayed thread, in the discharging surface of above-mentioned mould, from the lower end of the opening of above-mentioned squit hole to the beeline of the periphery of above-mentioned mould be 2mm ~ 5mm, by the thermoplastic resin composition of molten condition be wire extrude time, above-mentioned gas blows portion to the blow gas at least partially on the boundary line between the thread be extruded and the top leaning on the opening of discharging surface side of above-mentioned squit hole.
(5) extruder according to technical scheme (4), wherein, on above-mentioned boundary line is the part of the point of interface comprised between the upper end of above-mentioned opening and above-mentioned thread at least partially.
(6) extruder according to technical scheme (4) or (5), wherein, above-mentioned extruder also has the 2nd gas and blows portion, the 2nd gas portion of blowing from the position on the lower, position than the above-mentioned opening of above-mentioned discharging surface towards a part of blow gas of the point of interface comprised between the lower end of above-mentioned opening and above-mentioned thread.
(7) extruder according to technical scheme (6), wherein, notch part is formed in above-mentioned discharging surface, above-mentioned notch part is formed in the position on the lower, position of the above-mentioned opening of ratio of above-mentioned discharging surface, and the gas blowed from the above-mentioned 2nd gas portion of blowing forms space through cut because forming above-mentioned notch part.
(8) a kind of mould, it has squit hole, and this squit hole is used for the thermoplastic resin composition of molten condition being wire ejection, wherein, in the discharging surface of above-mentioned mould, from the lower end of the opening of above-mentioned squit hole to the beeline of the periphery of above-mentioned mould be 2mm ~ 5mm.
(9) mould according to technical scheme (8), wherein, is formed with notch part in above-mentioned discharging surface, and above-mentioned notch part is formed in the position on the lower, position of the above-mentioned opening of ratio of above-mentioned discharging surface.
the effect of invention
Adopt the present invention, the accompanying set thing piled up near the squit hole of the discharging surface of extruder mould compared with prior art can be suppressed significantly to make the quality of product decline, hinder the problems such as stable formation.
Accompanying drawing explanation
Fig. 1 is the figure in the cross section of the extruder schematically showing embodiment.
Fig. 2 is (a) of the figure of the mould schematically showing embodiment, Fig. 2 is stereogram, and (b) of Fig. 2 is front view, and (c) of Fig. 2 is side view.
Fig. 3 represents to blow the schematic diagram of situation of portion to thermoplastic resin composition's blow gas of ejection in wire from the 1st gas.
Fig. 4 represents to blow the schematic diagram of portion to the situation of the periphery blow gas of the discharging surface of mould from the 2nd gas.
Fig. 5 is the chart of the quantity representing painted particle.
Detailed description of the invention
Below, embodiments of the present invention are explained.It should be noted that, the present invention not limit by following embodiment.
(extruder)
Fig. 1 is the figure in the cross section of the extruder 1 schematically showing present embodiment.Extruder 1 has feeding funnel 10, machine barrel 11, screw rod 12, mould 13, the 1st gas blows portion 14, the 2nd gas blows portion 15.
Machine barrel 11 inside is equipped with screw rod 12.In addition, machine barrel 11 is provided with the feeding funnel 10 for the root supply thermoplastic resin composition 2 to screw rod 12 in the end of upstream side, and is connected with mould 13 in the end in downstream.
The using method of simple declaration extruder 1.Supply from feeding funnel 10 thermoplastic resin composition 2 come to pass between machine barrel 11 and screw rod 12 by the rotation of screw rod 12, and carry to the direction of mould 13.In this course of conveying, thermoplastic resin composition 2 is because being subject to shearing force from machine barrel 11, screw rod 12 and melting.The thermoplastic resin composition 2 of melting is from mould 13 ejection in wire.At thermoplastic resin composition below the 2(of wire, be called thread sometimes) just sprayed after, just blow portion 14 to its blow gas from the 1st gas.In addition, portion 15 is blowed towards mould 13 blow gas for spraying thermoplastic resin composition 2 from the 2nd gas.
Then, the mould 13 of the squit hole of the thermoplastic resin composition 2 had for spraying molten condition is further illustrated.The mould below illustrated is an example of mould of the present invention.Fig. 2 is (a) of the figure schematically showing mould 13, Fig. 2 is stereogram, and (b) of Fig. 2 is front view, and (c) of Fig. 2 is side view.
Mould 13 has notch part 131 and the squit hole 130 for making the thermoplastic resin composition 2 of molten condition spray in wire.
Squit hole 130 runs through discharging surface A and the face with discharging surface A opposite side.Thermoplastic resin composition 2 flows into squit hole 130 with molten condition from the opening in the face being positioned at the side contrary with discharging surface A, and is that wire is extruded from the opening of discharging surface A side.
The opening by discharging surface A side of squit hole 130 is positioned on discharging surface A.Beeline (distance between Δ x=PQ) between the lower end P of the above-mentioned opening of discharging surface A and the periphery of discharging surface A is 2mm ~ 5mm.If the position of the opening of discharging surface A side meets this condition, then on mould 13, forming squit hole 130 in any case can.
Such as, although the opening of discharging surface A side is positioned at facing position with the opening be positioned on the face of the side contrary with discharging surface A in fig. 2, the opening position relationship each other at the two ends being positioned at squit hole 130 is not particularly limited.In addition, although squit hole 130 is the holes of the linearity extended along the flow direction of thermoplastic resin composition 2 in fig. 2, but squit hole 130 also can offset by the angle of regulation direction along the flow direction from thermoplastic resin composition 2 extends, in addition, also can be shape beyond linearity.Therefore, it is possible to take the circumstances into consideration the shape of the stream that setting is positioned at the position of the opening in the face of the side contrary with discharging surface A, thermoplastic resin composition 2 passes.
In addition, the situation that squit hole in Fig. 2 130 is 1 is illustrated, but also can is the mould with multiple squit hole 130.When having multiple squit hole 130, preferably for all squit holes, above-mentioned beeline is 2mm ~ 5mm.In addition, preferably blow portion from the 1st gas, the 2nd gas blows portion to thermoplastic resin composition 2 blow gas sprayed from all squit holes.In this case, the 1st gas blows portion, the 2nd gas portion of blowing is made up of multiple gas portion of blowing.
Notch part 131 is the stair-stepping notch parts being formed at discharging surface A.Although notch part 131 be formed as by be used for connecting discharging surface A and with 2 sides in the face of discharging surface A opposite side run through stepped, if in the scope not damaging effect of the present invention described later, just without particular limitation of the shape of notch part 131.
Then, illustrate that the 1st gas blows portion 14.Fig. 3 represents to blow the schematic diagram of portion 14 to the situation of thread blow gas from the 1st gas.
In the present embodiment, the 1st gas blows the position by the top, position that portion 14 is configured in the opening on discharging surface A than squit hole 130.And the 1st gas blows portion 14 in order to the blow gas at least partially on the boundary line between the top to the opening on the thread be extruded and above-mentioned discharging surface A, and adjusts the position of gas purge port.At this, " boundary line between the top of the opening on the thread be extruded and above-mentioned discharging surface A " refers to the boundary line between the periphery of the semicircle of the upside of above-mentioned opening and thread.In the present embodiment, the upper end comprising above-mentioned opening at least partially on boundary line and the point of interface between thread.
It should be noted that, and be not particularly limited the kind of the gas blowed, can air, non-active gas etc. be exemplified.In addition, humidity, the temperature that the 1st gas blows the gas that portion 14 blows can also be adjusted.The adjustment of humidity, temperature can be undertaken by current known control method.In addition, can take the circumstances into consideration to adjust to the flow of gas in the scope reaching aftermentioned effect.Such as, preferably the blast of gas is adjusted to 1kgf/cm
2above 4kgf/cm
2below.Preferred reason is as follows: if blast is 1kgf/cm
2above, set thing is cooled and easily peel off, if blast is 4kgf/cm from mould
2below, can prevent from, because mould is cooled, resin blocking occurs at squit hole place.Being more preferably blast is 1kgf/cm
2above 3kgf/cm
2below.
The gas purge port blowing portion 14 from the 1st gas is not particularly limited to the beeline thread, but is below 20cm in the present embodiment.Because above-mentioned beeline is at below 20cm, the spray regime of gas can be suppressed comparatively large and cause the situation that mould 13 is cooled.
The straight line coupled together by the gas vent that point of interface between the upper end of above-mentioned opening and thread and the 1st gas blow portion 14 suitably can adjust with above-mentioned discharging surface A angulation θ 1 between 0 ° to 90 ° in the scope that can realize effect of the present invention, but optimized angle θ 1 more than 0 ° less than 60 °.But, in the present invention, compared with above-mentioned spray angle, on the boundary line between the top importantly gas being blown to the opening on the thread be extruded and above-mentioned discharging surface A.
Then, illustrate that the 2nd gas blows portion 15.Fig. 4 schematically shows to blow from the 2nd gas the figure that gas to be sprayed to the situation of the point of interface between the lower end of the opening of above-mentioned discharging surface and above-mentioned thread by portion 15.
2nd gas blows the position on the lower, position that portion 15 is configured in the opening on discharging surface A than squit hole 130.In the present embodiment, the beeline (distance between Δ x=PQ) between the lower end P of the above-mentioned opening of discharging surface A and the periphery of discharging surface A is below 5mm.Therefore, even if the purge port of gas is located at than discharging surface A by extruding the position of pusher side, also gas can be blown to point of interface between the lower end of the opening of above-mentioned discharging surface and above-mentioned thread by the direction etc. that adjusts blow gas.That is, as shown in Figure 4, by blow gas near above-mentioned point of interface, gas also can blow to point of interface.
In order to gas be blown to the point of interface between the lower end of the opening of above-mentioned discharging surface and above-mentioned thread, can take the circumstances into consideration to adjust straight line that the gas vent that the 2nd gas blowed portion 15 and above-mentioned point of interface couple together and extrude along extruder the straight line angulation θ 2 that direction extends in the scope realizing effect of the present invention, but preferred above-mentioned angle θ 2 more than 100 ° less than 150 °.
Distance between the gas purge port that point of interface between the upper end of preferred above-mentioned opening and thread and the 2nd gas blow portion 15 is below 20cm.The nearlyer gas projected area of distance is less and can suppress the cooling of mould 13.
Gas that portion 15 blows is blowed through the space surrounded by two chain-dotted lines from gas.The space that double dot dash line is surrounded refers to the cut space because forming notch part 131.
The kind of spendable gas is identical with the kind that above-mentioned 1st gas blows the spendable gas in portion 14.In addition, humidity, the temperature of above-mentioned gas can also be adjusted.In addition, also can take the circumstances into consideration to adjust in the scope not damaging aftermentioned effect for blast etc.Such as, preferably the blast of gas is adjusted to 1kgf/cm
2above 5kgf/cm
2below.Preferred reason is as follows: if blast is 1kgf/cm
2above, set thing is cooled and is easily stripped from mould, if blast is 5kgf/cm
2below, can prevent because mould is cooled and cause resin combination to block at squit hole place.The blast be more preferably is 1.5kgf/cm
2above 3.5kgf/cm
2below.
In addition, preferably portion 15 blow gas is off and on blowed from the 2nd gas.Blow gas refers to that interval predetermined time interval carrys out blow gas off and on.Predetermined time interval can be fixing interval, may not be fixing interval.Further, predetermined time interval can be adjusted as one sees fit.
Then, thermoplastic resin composition 2 is described.Thermoplastic resin composition 2 is containing thermoplastic resin.As thermoplastic resin, if utilize shear rate, heating and the resin that plastifies just does not limit, such as can enumerate polyethylene, polypropylene, polystyrene, (methyl) acrylic resin, polyamide, Merlon, polyacetals, thermoplastic polyester, thermoplastic elastomer (TPE), polyphenylene sulfide, liquid crystal polymer etc., these resins can be independent or two or more and use.
Extruder of the present invention is also applicable to being used in above-mentioned thermoplastic resin, the especially high-melting-point such as engineering plastics and the extrusion molding of the high thermoplastic resin of metal adaptation.Here, as dystectic thermoplastic resin, to be fusing point the be thermoplastic resin of 150 DEG C ~ 400 DEG C, specifically, preferred polyamide, polyester, polyphenylene sulfide, liquid-crystalline polymer, especially preferably polyphenylene sulfide.
In thermoplastic resin composition 2, in the scope not damaging effect of the present invention, other thermoplastic resin, various compounding ingredients etc. can be added as required.As other resin, such as, the polyolefin resin, polystyrene resins, fluororesin etc. that have other is illustrated.Two or more these other resin separately or can be combined use.Also have, as compounding ingredient, illustrate and have the reinforcing agents such as stabilizing agent (antioxidant or antioxidant, ultra-violet absorber, heat stabilizer etc.), glass fibre, antistatic agent, fire retardant, flame retardant, colouring agent (dyestuff, pigment etc.), lubricant, plasticiser, lubricant, releasing agent, crystallization nucleating agent, Antidrip agent, crosslinking agent etc.
In other above-mentioned composition, preferably use reinforcing agent.As the reinforcing agent adding thermoplastic resin composition 2 to and use, the reinforcing agent with various shapes such as threadiness, powdery, tabular, needle-like, crosswise, bulks can be enumerated.Especially the reinforcing agent of optimum fiber shape, uses inorfil or the organic fibers such as glass fibre, ceramic fibre, carbon fiber, metal cover glass fiber.Further, the surface of these fibrous fillers also can utilize silane compound etc. to carry out surface treatment.In these, preferred inorfil especially glass fibre is considered from heat resistance.
The component that feeding funnel 10, machine barrel 11, screw rod 12 can use common extruder to use.Extruder can be the extruder of screw rod having single shaft, multiaxis or single shaft and multiaxis are combined.In addition, when extruder is multiple screw extruder, the direction of rotation of screw rod can be different directions at each axle can be also equidirectional, and can be occlusal pattern also can be non-occlusal pattern.Furthermore, the shape of axle can be parallel type (Japanese: パ ラ レ Le タ イ プ) also can be cone type (Japanese: コ ニ カ Le タ イ プ), and, also can be the series system of multistage-combination by screw extruder, mould of the present invention can be loaded in these extruders, the 1st gas blows portion, the 2nd gas blows portion, thus extrusion molding is carried out to thermoplastic resin composition.
(manufacture method of thermoplastic resin composition's particle)
Thermoplastic resin composition 2 is put into feeding funnel 10.The thermoplastic resin composition 2 putting into feeding funnel 10 enters in machine barrel 11.Thermoplastic resin composition 2 is by the rotation of screw rod 12, and through screw rod 12 and machine barrel 11, the direction to mould 13 is carried.Towards in the direction course of conveying of mould 13, thermoplastic resin composition 2 melting, is transported to mould 13 in the molten state.The thermoplastic resin composition 2 being transported to mould 13 sprays through in squit hole 130.The molding condition (spray volume, screw rod revolution, barrel zone temperature etc.) of this extrusion molding can take the circumstances into consideration to change according to the kind etc. of material.
From the 1st gas blow portion 14 gas blown to the thread that is extruded and above-mentioned squit hole 130 by discharging surface A side upper opening portion between boundary line at least partially.In the present embodiment, gas is blown to the part of the point of interface between the upper end comprising above-mentioned opening and above-mentioned thread.Blow owing to carrying out this gas, the generation of set thing can be promoted.Major part in the set thing produced comes off due to the blast of gas.
Blow portion 15 from the 2nd gas and gas is blown to above-mentioned thread and the point of interface between the lower end of the opening of above-mentioned discharging surface off and on.Blow by carrying out this gas, even if be attached with set thing at the lower end of above-mentioned opening, set thing also can fall down before carbonization.
(effect)
In the present embodiment, the 1st gas blows the formation that portion 14 can promote the caking of thermoplastic resin composition (following, to be sometimes referred to as set thing).This set thing is attached on discharging surface A, under normal conditions, and this set thing carbonization blackening.But, when extruding the thermoplastic resin composition 2 of molten condition in wire, due to gas is blown to the thread that is extruded and squit hole 130 by discharging surface A side upper opening portion between boundary line on effect produced at least partially, even if before set thing is attached on discharging surface A or be attached on discharging surface A and also before carbonization, can be blown off by the blast of gas.So, promote will Cheng Wei ?look set thing set thing formation after, to blow off this set thing with gas rapidly, thus set thing can be suppressed to rest on discharging surface A and carbonization.
In addition, as mentioned above, by the gas blowing portion 14 from the 1st gas, blown off before the carbonization of set thing.Its result, even if be mixed into by the set thing blown off in particle thread cut-out obtained, also can not produce the problem that foreign matter is mixed into.
It should be noted that, set thing can come off because of deadweight sometimes.
In the set thing being attached to discharging surface A, the set thing near the squit hole 130 being sometimes attached to mould 13 comes off because of the friction produced between the thread in ejection process, and is mixed in the thread in ejection process.In the present embodiment, the result of blow gas is as follows as described above: can promote the set thing being attached to squit hole 130 cause because of above-mentioned friction above-mentionedly to come off.Therefore, even if above-mentioned friction is more weak friction, set thing also can fall down and be mixed in thread.That is, have after set thing is attached to squit hole 130 and fall down at short notice and be mixed into the tendency in thread.Therefore, cut off thread even if set thing is mixed into and in the particle that obtains, also can not produces the problem that foreign matter is mixed into.
In the present embodiment, there is the 2nd gas and blow portion 15.Because there is the 2nd gas blow portion 15, even if set thing accumulates in the lower end of the opening of discharging surface A side, also by gas is blown to above-mentioned thread and above-mentioned opening lower end between point of interface, thus set thing to be blown off in early days.Therefore, the possibility of set thing generation carbonization on discharging surface A is almost eliminated.It should be noted that, although can utilize and blow from the 1st gas the gas that portion 14 blows and make the set thing of the lower end of the opening being attached to discharging surface A side fall down, but blowing portion 15 by arranging the 2nd gas, set thing can be made more reliably to fall down before variable color.
In the present embodiment, the beeline (Δ x) between the lower end P of the periphery of the above-mentioned opening of discharging surface A and the periphery of discharging surface A is below 5mm.Therefore, the contact area between discharging surface A and set thing diminishes.Its result, the closing force between set thing and discharging surface A reduces, and therefore, especially under blowing the effect of the gas that portion 15 blows from the 2nd gas, is easy to set thing is fallen down.Therefore, thread is cut off even if set thing is mixed into and in product that the particle that obtains manufactures as raw material, also can not produces the problem that foreign matter is mixed into.
It should be noted that, in the present invention, above-mentioned beeline is more than 2mm, this is because when above-mentioned beeline is less than 2mm, can produce the problems such as the insufficient strength of mould.Therefore, even if above-mentioned beeline is less than 2mm, the effect of the manufacture method of present embodiment can also be played.
In addition, even if when blow gas indirectly, also can play to utilize blowing the gas that portion 15 blows and the above-mentioned effect obtained from the 2nd gas fully.In addition, by blow gas indirectly, thus can make to be attached to discharging surface A with local and the set thing that the state hanging on discharging surface A exists rocks, this set thing is fallen down.In addition, by blow gas indirectly, mould 13 can be suppressed to be cooled.By suppressing the cooling of mould 13, thus ejection can be suppressed to become the problems such as instability.
In the present embodiment, discharging surface A is formed with notch part, above-mentioned notch part is formed in the position on the lower, position of the ratio squit hole 130 of discharging surface A.And, from the 2nd gas blow gas that portion 15 blows through because of form notch part and cut space.That is, the 2nd gas blows portion 15 from oblique below towards the periphery blow gas of mould 13.Therefore, be configured to blow portion 15 at the below of mould 13 configuration gas.In the present invention, although also portion 15 can be blowed at the below of thread configuration the 2nd gas, but following situation can be produced: if blow portion 15 at position configuration the 2nd gas of the below of thread like this, when thread ruptures, the thread of fracture can drop to the 2nd gas and blow in portion 15, and it is damaged to make the 2nd gas blow portion 15, in addition, can produce for notifying the problems such as sensor that thread ruptures does not work.It should be noted that, this problem can solve by the following method: utilize guard member to the 2nd gas spray portion, for notifying that the sensor that extrudate ruptures is protected, and can prevent the thread because of fracture from falling down and damaging sensor.
In addition, although also the 2nd gas can be blowed portion 15 to be configured in the position left a little from mould 13, and not through the periphery spatially gas being blown to mould 13 formed by breach, but when employing such an approach, stronger blast is not only needed in order to make the set thing being attached to discharging surface fall down, and cause mould 13 to be cooled because of the spray regime of meeting enlargement gas, sometimes also can cause the problem etc. that ejection is uneven.
Therefore, blown to the periphery of mould 13 by the gas that makes to blow portion 15 from the 2nd gas through the space formed by breach, and the cooling of mould 13 can be suppressed, even if problem especially as described above also can not be there is when thread ruptures.
As mentioned above, in the present embodiment, the 2nd gas blows portion 15 and is configured in than discharging surface A position rearward, blows gas that portion 15 blows through the cut space because forming notch part from the 2nd gas.But, in the present invention, also the 2nd gas can be blowed portion 15 and be configured in than discharging surface A position on the front.It should be noted that, sometimes need above-mentioned such guard member in this case.
In the present embodiment, the 1st gas blows portion 14 from the position blow gas by the top of the position on discharging surface A than squit hole 130.Although the 1st gas blows portion 14 also can from right side or left side to the thread blow gas of ejection, but when use has the mould of multiple squit hole, in order in the mode playing effect of the present invention to all squit hole blow gas, preferably from top blow gas.
< embodiment >
Below, enumerate embodiment and in further detail the present invention is described, but the present invention is not limited to these embodiments.
(device etc.)
Mould 1: it is the mould described in Fig. 2, the distance between PQ is 2mm.In addition, the opening portion of squit hole is the circle of diameter 3mm.
Mould 2: it does not have notch part 131 in addition, is identical mould (because do not have notch part, the distance of the part suitable with distance between the PQ of mould 1 is more than 5mm, specifically, is 50mm) with mould 1.
Extruder: upper as Fig. 1 at biaxial extruder (JSW manufacture TEX65), 3, configure shown in 4 that the 1st gas blows portion, the 2nd gas blows portion like that.
The gas purge port blowing portion from the 1st gas is 5cm to the beeline thread.
< comparative example 1 >
Mould 2 is installed to above-mentioned extruder, first, supply such mixture to raw material feeding funnel, that is: mix the mixture of the amino silane of 0.4 mass parts, the stearate of 0.2 mass parts to the polyphenylene sulfide (viscosity 275Pas, fusing point 290 DEG C) of 59.4 mass parts.Then, the glass fibre of 40 mass parts is supplied from side supply mouth, to the polyphenyl thioether resin composition extrusion molding having utilized glass fiber-reinforced.The molding condition of extrusion molding be with extrusion capacity 200kg/ hour, the extrusion capacity of screw rod revolution 270rpm carrys out extrusion molding, produces the resin particle of thickness 3mm.Measure the quantity of the painted particle in every 5kg resin particle.
When extrusion molding, with the air of normal temperature at blast for 2kgf/cm
2condition under, from the 1st gas blow upper end from portion to the opening of thread and discharging surface between point of interface blow gas continuously.
Experiment numbers 0 ~ 240 carries out extrusion molding under the conditions described above.Measure the painted amounts of particles in the experiment of each experiment numbers.Fig. 5 shows measurement result.
< embodiment 1 >
Except changing to except mould 1 by mould 2, the method identical with comparative example 1 is used to measure the quantity of colored particles.The extrusion molding that experiment numbers 241 ~ 350 is carried out under the condition of the above embodiments 1.Fig. 5 shows measurement result.
< embodiment 2 >
Except blowing portion from the 2nd gas with except the mode blow gas of the point of interface between the lower end brushing above-mentioned thread and above-mentioned opening, the method identical with embodiment 1 is used to measure the quantity of painted particle.
The extrusion molding that experiment numbers 351 ~ 550 is carried out under the condition of the above embodiments 2.Fig. 5 shows measurement result.
It should be noted that, the 2nd gas portion of blowing is set as utilizing the air of normal temperature at 3kgf/cm
2condition blast under blow gas off and on.
Following situation can be confirmed: shorten by making the beeline between the lower end of the periphery of the above-mentioned opening of discharging surface and the periphery of discharging surface and combine from both top blow gas and significantly can reduce the quantity of the colored particles generated because of set thing from the result of embodiment 1 and comparative example 1.
Following situation can be confirmed: by adding the position blow gas from below further to the above embodiments 1, and colored particles quantity can be suppressed to almost nil from embodiment 2 and the result of embodiment 1.
In addition, general physical attribute has been carried out (specifically to the resin particle manufactured by embodiment 1, embodiment 2, melt viscosity, burning resin particle and measure Ash to measure glass-filled amount, hot strength, bending strength) evaluation, result is equal to the resin particle manufactured by commonsense method.That is, for the physical attribute aspect of obtained resin particle, the impact produced because employing mould of the present invention and the impact carried out blow gas and produced is not found.
description of reference numerals
1 extruder
10 feeding funnels
11 machine barrels
12 screw rods
13 moulds
130 squit holes
131 notch parts
14 the 1st gases blow portion
15 the 2nd gases blow portion
2 thermoplastic resin compositions
Claims (7)
1. a manufacture method for thermoplastic resin composition's particle, it is the method using extrusion mechanism fabricate-heat thermoplastic resin composition particle, it is characterized in that,
The squit hole of mould being certainly located at above-mentioned extruder by the thermoplastic resin composition of molten condition be wire extrude time, the 1st gas in order to have adjusted the position of gas purge port to the thread be extruded and the leaning on the blow gas at least partially on the boundary line between the top of the opening of discharging surface side of above-mentioned squit hole is used to blow portion, to the blow gas at least partially on above-mentioned boundary line
In the discharging surface of above-mentioned mould, from the lower end of the opening of above-mentioned squit hole to the beeline of the periphery of above-mentioned mould be 2mm ~ 5mm,
The opening by discharging surface side of above-mentioned squit hole is positioned in above-mentioned discharging surface.
2. the manufacture method of thermoplastic resin composition's particle according to claim 1, wherein,
On above-mentioned boundary line is the part of the point of interface comprised between the upper end of above-mentioned opening and above-mentioned thread at least partially,
And, to a part also blow air of the point of interface comprised between the lower end of above-mentioned opening and above-mentioned thread.
3. the manufacture method of thermoplastic resin composition's particle according to claim 2, wherein,
Notch part is formed in the above-mentioned discharging surface of above-mentioned mould,
Above-mentioned notch part is formed in the position on the lower, position of the above-mentioned opening of ratio of above-mentioned discharging surface,
The gas blowed to a part for the point of interface comprised between the lower end of above-mentioned opening and above-mentioned thread passes because forming above-mentioned notch part cut space.
4. an extruder, wherein,
This extruder has mould and the 1st gas blows portion, and this mould has the squit hole for by the thermoplastic resin composition of molten condition being wire ejection, and the 1st gas blows portion for gas is blown to sprayed thread,
In the discharging surface of above-mentioned mould, from the lower end of the opening of above-mentioned squit hole to the beeline of the periphery of above-mentioned mould be 2mm ~ 5mm,
By the thermoplastic resin composition of molten condition be wire extrude time, the 1st gas in order to have adjusted the position of gas purge port to the thread be extruded and the leaning on the blow gas at least partially on the boundary line between the top of the opening of discharging surface side of above-mentioned squit hole is used to blow portion, to the blow gas at least partially on above-mentioned boundary line
The opening by discharging surface side of above-mentioned squit hole is positioned in above-mentioned discharging surface.
5. extruder according to claim 4, wherein,
On above-mentioned boundary line is the part of the point of interface comprised between the upper end of above-mentioned opening and above-mentioned thread at least partially.
6. the extruder according to claim 4 or 5, wherein,
Above-mentioned extruder also has the 2nd gas and blows portion, the 2nd gas portion of blowing from the position on the lower, position than the above-mentioned opening of above-mentioned discharging surface towards a part of blow gas of the point of interface comprised between the lower end of above-mentioned opening and above-mentioned thread.
7. extruder according to claim 6, wherein,
Notch part is formed in above-mentioned discharging surface,
Above-mentioned notch part is formed in the position on the lower, position of the above-mentioned opening of ratio of above-mentioned discharging surface,
The gas blowed from the above-mentioned 2nd gas portion of blowing is through the cut space because forming above-mentioned notch part.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2011/058223 WO2012131980A1 (en) | 2011-03-31 | 2011-03-31 | Method for producing thermoplastic resin composition pellet, extruder, and die plate |
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| Publication Number | Publication Date |
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| CN103354776A CN103354776A (en) | 2013-10-16 |
| CN103354776B true CN103354776B (en) | 2016-03-30 |
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| JP (1) | JP5728077B2 (en) |
| CN (1) | CN103354776B (en) |
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| JP7223595B2 (en) * | 2019-02-19 | 2023-02-16 | ポリプラスチックス株式会社 | Deposit removing device and method |
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| JP2003019740A (en) * | 2001-07-06 | 2003-01-21 | Daicel Polymer Ltd | Method for preventing generation of deteriorated resin |
| CN1417016A (en) * | 2001-11-01 | 2003-05-14 | 宝理塑料株式会社 | Mold unit and extrusion method for resin extruder |
| WO2010140310A1 (en) * | 2009-06-04 | 2010-12-09 | 三菱エンジニアリングプラスチックス株式会社 | Resin extrusion die and extrusion method using same |
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| JP2602460B2 (en) * | 1991-01-17 | 1997-04-23 | 三菱化学株式会社 | Spinning nozzle, method for producing metal compound fiber precursor and method for producing inorganic oxide fiber using the spinning nozzle |
| JP2735957B2 (en) * | 1991-02-27 | 1998-04-02 | ポリプラスチックス株式会社 | Die for resin molding |
| JPH05220812A (en) * | 1992-02-10 | 1993-08-31 | Toray Ind Inc | Mouthpiece for manufacturing resin composition for molding |
| JP2687807B2 (en) * | 1992-02-10 | 1997-12-08 | 東レ株式会社 | Method for discharging molding resin composition |
| JPH09225994A (en) * | 1996-02-20 | 1997-09-02 | Sumitomo Electric Ind Ltd | Extrusion method of resin composition |
| JPH11170330A (en) * | 1997-12-17 | 1999-06-29 | Omiya Seiki Kk | Scrap removal equipment for coated wire manufacturing machines |
| JPH11254430A (en) * | 1998-03-13 | 1999-09-21 | Toray Ind Inc | Manufacture of molding resin material and its device |
| JP2003215411A (en) * | 2002-01-22 | 2003-07-30 | Sumitomo Electric Ind Ltd | Method and apparatus for manufacturing optical fiber cord |
| WO2008085188A2 (en) * | 2006-12-29 | 2008-07-17 | E. I. Du Pont De Nemours And Company | Process and apparatus for reducing die drips and for controlling surface roughness during polymer extrusion |
| WO2009045190A1 (en) * | 2007-10-02 | 2009-04-09 | Owens-Corning Fiberglas Technology Ii, Llc | Impregnation die for manufacturing long fiber reinforced thermoplastic resin molding material |
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| JP2003019740A (en) * | 2001-07-06 | 2003-01-21 | Daicel Polymer Ltd | Method for preventing generation of deteriorated resin |
| CN1417016A (en) * | 2001-11-01 | 2003-05-14 | 宝理塑料株式会社 | Mold unit and extrusion method for resin extruder |
| WO2010140310A1 (en) * | 2009-06-04 | 2010-12-09 | 三菱エンジニアリングプラスチックス株式会社 | Resin extrusion die and extrusion method using same |
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| CN103354776A (en) | 2013-10-16 |
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| JP5728077B2 (en) | 2015-06-03 |
| MY161684A (en) | 2017-05-15 |
| TWI564136B (en) | 2017-01-01 |
| WO2012131980A1 (en) | 2012-10-04 |
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