CN106188922A - A kind of production technology of polystyrene extruded sheet - Google Patents
A kind of production technology of polystyrene extruded sheet Download PDFInfo
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- CN106188922A CN106188922A CN201610629292.4A CN201610629292A CN106188922A CN 106188922 A CN106188922 A CN 106188922A CN 201610629292 A CN201610629292 A CN 201610629292A CN 106188922 A CN106188922 A CN 106188922A
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- polystyrene
- extruded sheet
- production technology
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- polystyrene extruded
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- 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
- 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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to the production technology of a kind of extruded sheet, particularly relate to the production technology of a kind of polystyrene extruded sheet.It is high that the technical problem to be solved in the present invention is to provide a kind of working (machining) efficiency, good forming effect, the production technology of the polystyrene extruded sheet that moisture resistance, heat insulating ability and ruggedness are all improved compared with existing product.The production technology of this polystyrene extruded sheet passes through step A F, by polystyrene and raw material heating plasticizing, is extruded by two plastic extruders, then is sheared by longitudinal cutting device and infeed set-up, produce polystyrene extruded sheet finished product.The present invention by the proportioning raw materials of science, optimize and improve the internal structure of polystyrene extruded sheet, it is greatly improved the moisture resistance of polystyrene extruded sheet, heat insulating ability and ruggedness, there is the high advantage with good forming effect of working (machining) efficiency, it is greatly improved the production effect of polystyrene extruded sheet, there is the strongest practicality, be suitable for promoting the use of.
Description
Technical field
The present invention relates to the production technology of a kind of extruded sheet, particularly relate to the production technology of a kind of polystyrene extruded sheet.
Background technology
At present, line plate material market being widely used in house decoraton is timber, Gypsum Fibrosum, rustless steel and plastics
Deng, and in described plastic material most frequently be exactly polystyrene material, simultaneously wherein the application of polystyrene is again
It is divided into molded polystyrene foams plastics (EPS) and extruded polystyrene foam board (XPS), wherein, extruded polystyrene foam
Plate (XPS) is referred to as polystyrene extruded sheet, and polystyrene extruded sheet is the material through there being special process continuous extrusion foaming molding
Material, so the dura mater uniform ground that its surface is formed, internal closed-cell foam continuous uniform completely, becomes alveolate texture, therefore has
Have high resistance to compression, lightweight, do not absorb water, airtight wear-resisting and non-degradable characteristic, with molded polystyrene foams plastics (EPS) phase
Ratio, the performance such as its intensity, insulation, water vapor infiltration improves a lot.Under the conditions of immersion, still can completely keeps its heat insulating ability
Energy and comprcssive strength, be particularly suitable for the heat insulation of building, and insulation, damp-proof treatment, is that current building industry is inexpensive
One of construction material.
About the advantage of polystyrene extruded sheet, first, the heat conductivity of polystyrene extruded sheet is less than or equal to 0.028W/
Mk, well below other insulation material, therefore has high thermal resistance, the feature of low linear expansion rate, it is common to use protect in roofing
Insulation inside and outside temperature insulation system, freezer, body of wall.Secondly, polystyrene extruded sheet is as the perfect insulation of one
Material, water absorption rate is extremely important technical specification, and water absorption rate height can cause heat-proof quality to be deteriorated, and polystyrene extruded sheet has
Complete closed pore formula structure, the tow sides of plate all do not have gap, make to leak, condense and freeze/situation such as thaw cycles produces
Dampness cannot permeate, and therefore can effectively stop the entrance of hydrone, so it is aging that sheet material can not be made to occur, one is long over time
Its heat-insulation layer will lose its effect, and further resulting in insulation construction layer need to overhaul, and the hole-closing structure of polystyrene extruded sheet can have
Effect stops the infiltration (comprising steam) of hydrone, even if suffering mechanical destruction when construction, polystyrene extruded sheet is because of tight
Close tight honeycomb texture also can effectively maintain the function of low water absorbable, because effectively stoping hydrone infiltration plus without hydrophilic
So hardly possible generation catabiosis, almost longevity same with building.Again, polystyrene extruded sheet is with polystyrene
(PS) it is that raw material is made, well known, insulation material that polystyrene (PS) is the most splendid, add with extrusion way raw
Producing, close closed pore honey-comb focused mirror more effectively stops conduction of heat.Then, polystyrene extruded sheet is that a kind of lightweight is high
Intensity sheet material, in the case of density is less than 40kg every cube, comprcssive strength may be up to more than 350KPa, uses between floors
Good shock resistance can be obtained.Meanwhile, polystyrene extruded sheet has good anti-flammability, and is the ring of high-quality
Guarantor's type product, stable chemical nature is nonflammable, and does not has the volatilization of harmful substance, more will not decompose or goes mouldy, have good
Good decay resistance.Finally, polystyrene extruded sheet is due to light weight, so carrying is easily, fixing simple, so can make to build
The cost building construction is substantially reduced.So, polystyrene extruded sheet is widely used in wall thermal insulating, flat concrete roof and steel knot
The insulation on structure roof.
The production technology of polystyrene extruded sheet is directly by polystyrene heating plasticizing now, and is passed through foaming agent, so
By extruder, polystyrene is extruded afterwards, carry out cutting after cooling again and form finished product, although the most such production technology reality
Executing very simple, but it is low to there is also working (machining) efficiency, molding effect is poor, the shortcoming that product homogeneity is serious, along with building row
The fierceness day by day of industry, the requirement for construction material is more and more higher, therefore needs a kind of working (machining) efficiency of research and development badly high, molding effect
Good, the production technology of the polystyrene extruded sheet that moisture resistance, heat insulating ability, ruggedness are all improved compared with existing product.
Summary of the invention
(1) to solve the technical problem that
The present invention is in order to overcome polystyrene extruded sheet production technology working (machining) efficiency under prior art low, and molding effect is poor,
The shortcoming that product homogeneity is serious, it is high that the technical problem to be solved in the present invention is to provide a kind of working (machining) efficiency, good forming effect, with
Existing product compares the production technology of the polystyrene extruded sheet that moisture resistance, heat insulating ability and ruggedness are all improved.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides the production technology of such a polystyrene extruded sheet, bag
Include following steps:
Proportioning the most by weight, weighs polystyrene 100 parts, weighs foaming agent 10-14 part, weighs nucleator 1-2 part,
Weigh fire retardant 3-5 part, weigh aluminium oxide 4-6 part, weigh quartz sand 8-10 part, weigh asbestos 10-12 part；
B. take the polystyrene of raw material in A, polystyrene is heated to 50-60 DEG C, take the aluminium oxide of raw material in A, by oxygen
Change aluminum and be heated to 40-50 DEG C, by the polystyrene after heating respectively and aluminium oxide mix homogeneously, and be cooled to, mixed
Thing one；
C. take nucleator and the fire retardant of raw material in A, add it in mixture one, remix uniformly, mixed
Thing two, takes the quartz sand of raw material in A, quartz sand is heated to 60-70 DEG C, adds it in mixture two, remixes uniformly,
And be cooled to, obtain mixture three；
D. the mixture three obtained in C is joined in a plastic extruder by feeding device, by plastics
Mixture three is heated by extruder, and mixture three temperature is risen to 240-260 DEG C, makes polystyrene in mixture three reach
Plasticizing, then foaming agent in A is joined in a plastic extruder by injection device, raw material is mixed to form gel, gel warp
A number plastic extruder extrusion, and be delivered directly in No. two plastic extruders, the screw speed of a plastic extruder is 42-
48rpm；
E. by No. two plastic extruders and heat exchanger cooperating, gelling temp is reduced to 140-150 DEG C, No. two
The screw speed of plastic extruder is 13-15rpm, and the temperature of heat exchanger is 140-150 DEG C, then by No. two plastic extruders
By the gel extrusion after cooling, form foam structure, and transported in mould by transmission belt；
F. in mould, asbestos on foam structure upper surface uniform spreading, recycling evener carries out malleation sizing, and
Cool down, obtain polystyrene extruded sheet semi-finished product, when polystyrene extruded sheet semi-finished product are cooled to 70-80 DEG C, pass through
Polystyrene extruded sheet semi-finished product corner is excised by longitudinal cutting device and infeed set-up, and to polystyrene extruded sheet semi-finished product fixed length
Cutting, i.e. obtains polystyrene extruded sheet finished product.
Preferably, in step A, in raw material, polystyrene is divided into general purpose polystyrene and high impact polystyrene, general poly-
Styrene is 24: 1 with the mass ratio of high impact polystyrene.
Preferably, in step A, raw materials by weight portion proportioning is, polystyrene 100 parts, foaming agent 12 parts, nucleator
1.5 parts, fire retardant 4 parts, aluminium oxide 5 parts, quartz sand 9 parts, 11 parts of asbestos.
Preferably, in step B, polystyrene be heated to be 55 DEG C, aluminium oxide be heated to be 45 DEG C.
Preferably, in step C, quartz sand be heated to be 65 DEG C.
Preferably, in step F, when polystyrene extruded sheet semi-finished product are cooled to 75 DEG C, then carry out corner excision and determine
Long cutting.
(3) beneficial effect
Compared with prior art, creative is mixed into aluminium oxide and quartz sand inside polystyrene extruded sheet to the present invention,
And by the proportioning raw materials of science, optimize and improve the internal structure of polystyrene extruded sheet, be greatly improved polystyrene
The heat insulating ability of extruded sheet and ruggedness, and outside polystyrene extruded sheet on be attached with asbestos, polystyrene extruded sheet
Moisture resistance have also been obtained raising, and meanwhile, rational arranging raw material preheats and the order mixed, and twice plastic extruder
Job design, and the temperature control of science, have the high advantage with good forming effect of working (machining) efficiency, be greatly improved polyphenyl second
The production effect of alkene extruded sheet, has the strongest practicality, is suitable for promoting the use of.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
The production technology of a kind of polystyrene extruded sheet, comprises the steps:
Proportioning the most by weight, weighs polystyrene 100 parts, wherein general purpose polystyrene 96 parts, wherein high impact poly
Styrene 4 parts, weighs foaming agent 10 parts, weighs nucleator 1 part, weighs fire retardant 3 parts, weighs aluminium oxide 4 parts, weighs quartz sand
8 parts, weigh 10 parts of asbestos；
B. take the polystyrene of raw material in A, polystyrene is heated to 50 DEG C, take the aluminium oxide of raw material in A, by aluminium oxide
It is heated to 40 DEG C, by the polystyrene after heating respectively and aluminium oxide mix homogeneously, and is cooled to, obtains mixture one；
C. take nucleator and the fire retardant of raw material in A, add it in mixture one, remix uniformly, mixed
Thing two, takes the quartz sand of raw material in A, quartz sand is heated to 60 DEG C, adds it in mixture two, remixes uniformly, and
It is cooled to, obtains mixture three；
D. the mixture three obtained in C is joined in a plastic extruder by feeding device, by plastics
Mixture three is heated by extruder, and mixture three temperature is risen to 240 DEG C, makes polystyrene in mixture three reach to mould
Changing, then joined in a plastic extruder by injection device by foaming agent in A, raw material is mixed to form gel, and gel is through one
Number plastic extruder extrusion, and be delivered directly in No. two plastic extruders, the screw speed of a plastic extruder is
42rpm；
E. by No. two plastic extruders and heat exchanger cooperating, gelling temp is reduced to 140 DEG C, No. two plastics
The screw speed of extruder is 13rpm, and the temperature of heat exchanger is 140 DEG C, then by No. two plastic extruders by after cooling
Gel is extruded, and forms foam structure, and is transported in mould by transmission belt；
F., in mould, asbestos on foam structure upper surface uniform spreading, recycling evener carries out malleation sizing, goes forward side by side
Row cooling, is obtained polystyrene extruded sheet semi-finished product, when polystyrene extruded sheet semi-finished product are cooled to 70 DEG C, is filled by rip cutting
Put and with infeed set-up, polystyrene extruded sheet semi-finished product corner is excised, and to polystyrene extruded sheet semi-finished product fixed length cutting,
I.e. obtain polystyrene extruded sheet finished product.
Embodiment 2
The production technology of a kind of polystyrene extruded sheet, comprises the steps:
Proportioning the most by weight, weighs polystyrene 100 parts, wherein general purpose polystyrene 96 parts, wherein high impact poly
Styrene 4 parts, weighs foaming agent 12 parts, weighs nucleator 1.5 parts, weighs fire retardant 4 parts, weighs aluminium oxide 5 parts, weighs quartz
9 parts of sand, weighs 11 parts of asbestos；
B. take the polystyrene of raw material in A, polystyrene is heated to 55 DEG C, take the aluminium oxide of raw material in A, by aluminium oxide
It is heated to 45 DEG C, by the polystyrene after heating respectively and aluminium oxide mix homogeneously, and is cooled to, obtains mixture one；
C. take nucleator and the fire retardant of raw material in A, add it in mixture one, remix uniformly, mixed
Thing two, takes the quartz sand of raw material in A, quartz sand is heated to 65 DEG C, adds it in mixture two, remixes uniformly, and
It is cooled to, obtains mixture three；
D. the mixture three obtained in C is joined in a plastic extruder by feeding device, by plastics
Mixture three is heated by extruder, and mixture three temperature is risen to 250 DEG C, makes polystyrene in mixture three reach to mould
Changing, then joined in a plastic extruder by injection device by foaming agent in A, raw material is mixed to form gel, and gel is through one
Number plastic extruder extrusion, and be delivered directly in No. two plastic extruders, the screw speed of a plastic extruder is
45rpm；
E. by No. two plastic extruders and heat exchanger cooperating, gelling temp is reduced to 145 DEG C, No. two plastics
The screw speed of extruder is 14rpm, and the temperature of heat exchanger is 145 DEG C, then by No. two plastic extruders by after cooling
Gel is extruded, and forms foam structure, and is transported in mould by transmission belt；
F., in mould, asbestos on foam structure upper surface uniform spreading, recycling evener carries out malleation sizing, goes forward side by side
Row cooling, is obtained polystyrene extruded sheet semi-finished product, when polystyrene extruded sheet semi-finished product are cooled to 75 DEG C, is filled by rip cutting
Put and with infeed set-up, polystyrene extruded sheet semi-finished product corner is excised, and to polystyrene extruded sheet semi-finished product fixed length cutting,
I.e. obtain polystyrene extruded sheet finished product.
Embodiment 3
The production technology of a kind of polystyrene extruded sheet, comprises the steps:
Proportioning the most by weight, weighs polystyrene 100 parts, wherein general purpose polystyrene 96 parts, wherein high impact poly
Styrene 4 parts, weighs foaming agent 14 parts, weighs nucleator 2 parts, weighs fire retardant 5 parts, weighs aluminium oxide 6 parts, weighs quartz sand
10 parts, weigh 12 parts of asbestos；
B. take the polystyrene of raw material in A, polystyrene is heated to 60 DEG C, take the aluminium oxide of raw material in A, by aluminium oxide
It is heated to 50 DEG C, by the polystyrene after heating respectively and aluminium oxide mix homogeneously, and is cooled to, obtains mixture one；
C. take nucleator and the fire retardant of raw material in A, add it in mixture one, remix uniformly, mixed
Thing two, takes the quartz sand of raw material in A, quartz sand is heated to 70 DEG C, adds it in mixture two, remixes uniformly, and
It is cooled to, obtains mixture three；
D. the mixture three obtained in C is joined in a plastic extruder by feeding device, by plastics
Mixture three is heated by extruder, and mixture three temperature is risen to 260 DEG C, makes polystyrene in mixture three reach to mould
Changing, then joined in a plastic extruder by injection device by foaming agent in A, raw material is mixed to form gel, and gel is through one
Number plastic extruder extrusion, and be delivered directly in No. two plastic extruders, the screw speed of a plastic extruder is
48rpm；
E. by No. two plastic extruders and heat exchanger cooperating, gelling temp is reduced to 150 DEG C, No. two plastics
The screw speed of extruder is 15rpm, and the temperature of heat exchanger is 150 DEG C, then by No. two plastic extruders by after cooling
Gel is extruded, and forms foam structure, and is transported in mould by transmission belt；
F., in mould, asbestos on foam structure upper surface uniform spreading, recycling evener carries out malleation sizing, goes forward side by side
Row cooling, is obtained polystyrene extruded sheet semi-finished product, when polystyrene extruded sheet semi-finished product are cooled to 80 DEG C, is filled by rip cutting
Put and with infeed set-up, polystyrene extruded sheet semi-finished product corner is excised, and to polystyrene extruded sheet semi-finished product fixed length cutting,
I.e. obtain polystyrene extruded sheet finished product.
By above-described embodiment 1, embodiment 2 and the production process of three kinds of polystyrene extruded sheets of embodiment 3, obtain sample
Product 1, sample 2, three kinds of polystyrene extruded sheets of sample 3, utilize the polystyrene extruded sheet sample 4 produced under prior art
Detecting, and carry out Data Comparison, the heat conductivity of four kinds of polystyrene extruded sheets is respectively as follows: sample 1 and is after measured
0.020W/mk, sample 2 is 0.019W/mk, and sample 3 is 0.021W/mk, and sample 4 is 0.027W/mk；The present invention is raw as can be seen here
The heat insulating ability of the polystyrene extruded sheet that production. art is produced is improved.The resistance to compression of four kinds of polystyrene extruded sheets after measured
It is 732Kpa that intensity is respectively as follows: sample 1, and sample 2 is 754Kpa, and sample 3 is 720Kpa, and sample 4 is 678Kpa；As can be seen here originally
The ruggedness of the polystyrene extruded sheet that invention production technology is produced is improved, and checks the present invention through actual environment
The moisture resistance of the polystyrene extruded sheet that production technology is produced is improved, simultaneously the production technology working (machining) efficiency of the present invention
High, good forming effect.
Embodiment described above only have expressed the preferred embodiment of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to making some deformation, improve and substitute, these broadly fall into this
Bright protection domain.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. the production technology of a polystyrene extruded sheet, it is characterised in that comprise the steps:
Proportioning the most by weight, weighs polystyrene 100 parts, weighs foaming agent 10-14 part, weighs nucleator 1-2 part, weighs
Fire retardant 3-5 part, weighs aluminium oxide 4-6 part, weighs quartz sand 8-10 part, weighs asbestos 10-12 part；
B. take the polystyrene of raw material in A, polystyrene is heated to 50-60 DEG C, take the aluminium oxide of raw material in A, by aluminium oxide
It is heated to 40-50 DEG C, by the polystyrene after heating respectively and aluminium oxide mix homogeneously, and is cooled to, obtains mixture one；
C. take nucleator and the fire retardant of raw material in A, add it in mixture one, remix uniformly, obtain mixture two,
Take the quartz sand of raw material in A, quartz sand is heated to 60-70 DEG C, add it in mixture two, remix uniformly, and will
Its cooling, obtains mixture three；
D. the mixture three obtained in C is joined in a plastic extruder by feeding device, by a plastic extrusion
Mixture three is heated by machine, and mixture three temperature is risen to 240-260 DEG C, makes polystyrene in mixture three reach to mould
Changing, then joined in a plastic extruder by injection device by foaming agent in A, raw material is mixed to form gel, and gel is through one
Number plastic extruder extrusion, and be delivered directly in No. two plastic extruders, the screw speed of a plastic extruder is 42-
48rpm；
E. by No. two plastic extruders and heat exchanger cooperating, gelling temp is reduced to 140-150 DEG C, No. two plastics
The screw speed of extruder is 13-15rpm, and the temperature of heat exchanger is 140-150 DEG C, then will fall by No. two plastic extruders
Gel extrusion after temperature, is formed foam structure, and is transported in mould by transmission belt；
F., in mould, asbestos on foam structure upper surface uniform spreading, recycling evener carries out malleation sizing, and carries out cold
But, obtain polystyrene extruded sheet semi-finished product, when polystyrene extruded sheet semi-finished product are cooled to 70-80 DEG C, filled by rip cutting
Put and with infeed set-up, polystyrene extruded sheet semi-finished product corner is excised, and to polystyrene extruded sheet semi-finished product fixed length cutting,
I.e. obtain polystyrene extruded sheet finished product.
The production technology of a kind of polystyrene extruded sheet the most according to claim 1, it is characterised in that in step A, raw material
Middle polystyrene is divided into the quality of general purpose polystyrene and high impact polystyrene, general purpose polystyrene and high impact polystyrene
Ratio is 24: 1.
The production technology of a kind of polystyrene extruded sheet the most according to claim 1, it is characterised in that in step A, raw material
Proportioning by weight is, polystyrene 100 parts, foaming agent 12 parts, nucleator 1.5 parts, fire retardant 4 parts, aluminium oxide 5 parts, stone
Sand 9 parts, 11 parts of asbestos.
The production technology of a kind of polystyrene extruded sheet the most according to claim 1, it is characterised in that in step B, polyphenyl
Ethylene be heated to be 55 DEG C, aluminium oxide be heated to be 45 DEG C.
The production technology of a kind of polystyrene extruded sheet the most according to claim 1, it is characterised in that in step C, quartz
Sand be heated to be 65 DEG C.
The production technology of a kind of polystyrene extruded sheet the most according to claim 1, it is characterised in that in step F, when poly-
When styrene extruded sheet semi-finished product are cooled to 75 DEG C, then carry out corner excision and fixed length cutting.
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| CN201610629292.4A CN106188922A (en) | 2016-08-04 | 2016-08-04 | A kind of production technology of polystyrene extruded sheet |
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Cited By (7)
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|---|---|---|---|---|
| CN106832640A (en) * | 2017-03-29 | 2017-06-13 | 美雅迪（佛冈）家具制造有限公司 | A kind of PS synthetic plates and preparation method thereof |
| CN107641260A (en) * | 2017-08-11 | 2018-01-30 | 深圳市嘉良保温材料有限公司 | A kind of extruded sheet and extrusion molding board fabrication method |
| CN107936484A (en) * | 2017-12-19 | 2018-04-20 | 周鹤 | A kind of fire-type plastic material |
| CN109591242A (en) * | 2018-10-22 | 2019-04-09 | 安徽荣茂塑胶包装材料有限公司 | A kind of energy-efficient overcritical foamed moulding process of EPE |
| CN110655730A (en) * | 2019-09-27 | 2020-01-07 | 南京瑞兴科技有限公司 | Extruded sheet and manufacturing method thereof |
| CN112321959A (en) * | 2020-11-24 | 2021-02-05 | 武汉方圆保温材料有限公司 | Flame-retardant XPS extruded sheet and preparation process thereof |
| CN114044988A (en) * | 2021-12-10 | 2022-02-15 | 江门市中塑板材有限公司 | Plastic plate free of sand grinding and production process thereof |
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