CN105085987B - The preparation method of covering property granule - Google Patents
The preparation method of covering property granule Download PDFInfo
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- CN105085987B CN105085987B CN201510599021.4A CN201510599021A CN105085987B CN 105085987 B CN105085987 B CN 105085987B CN 201510599021 A CN201510599021 A CN 201510599021A CN 105085987 B CN105085987 B CN 105085987B
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Abstract
The present invention provides the preparation method of a kind of covering property granule, and the preparation method of this covering property granule includes: plastifies thermoplastic resin masterbatch, extrude and tube drawing, obtains thermoplastic resin pipe；Coating is filled in described thermoplastic resin pipe；And the described thermoplastic resin pipe after filling is sheared, and make described thermoplastic resin pipe be coated with described coating completely, obtaining covering property granule, wherein, described coating is the mixture of one or more in thermoplastic resin modified filler, pigment, additive.The covering property preparation method of granules step that the present invention provides is less, cost is relatively low, rational technology, easy to operate, control accurately, it is easy to industrialization.
Description
Technical field
The present invention relates to thermoplastic resin industrial technical field, the preparation side of a kind of covering property granule
Method.
Background technology
The plastics industry of current China develops rapidly, and the range of application of plastics is more and more extensive.But
It is as the high speed development of China's modernization, plastic be it is also proposed various new requirement.In order to full
The needs of the different purposes of foot, in addition to the synthetic resin kind that actively development is new, also should be existing resin
During being processed into plastic, utilize some property chemically or physically changing plastic
Can, to reach intended purpose, here it is modifying plastics.In general, plastics modification technology is than conjunction
Become a kind of new resin much easier, especially physical modification, can carry out in general plastics processing factory,
And easily take effect, therefore modifying plastics research has gradually obtained the attention of people.
Plastic master batch refers to be added, by the plastic additive beyond conventional addition, prepared in vector resin
Plant plastics processing auxiliary agent.When plastics-production, in order to improve its processing characteristics or in order to improve tree
Fat itself is not enough, and must add some auxiliary agents, such as: plasticizer, heat stabilizer, light stabilizer, resistance
Combustion agent, antioxidant etc.；Simultaneously along with the increase of plastics variety, the performance requirement of plastic is got over by people
Coming the highest, modifying plastics research is increasingly extensive, and the new varieties such as modifying plastics filler, auxiliary agent are continuously available
Development and application.As: Pulvis Talci, glass fibre, carbon fiber, pigment etc..In order to simplify production technology,
Reduce dust from flying, reduce the abrasion of equipment, conservation, make raw material mixing convenience, mixing equal
Even, thus improve the performance indications of production efficiency and goods.Current most of plastics-production enterprise and plastics
Modified enterprise is all directly added into master batch.Therefore, the fast development promoting plastics industry is risen by plastic master batch
Great role.
Pulvis Talci master batch, glass fibre master batch, black masterbatch, carbon fiber master batch, antioxygen the most both at home and abroad
Agent master batch, fire retardant master batch, Masterbatch, multifunctional mother granules etc., its production technology mainly has two kinds: one
Planting is to use banbury banburying the most again through screw extruder extruding pelletization, and second method is to use at a high speed
Mixer mixed material, the most again through double screw extruder extruding pelletization.Employing banbury produces, material
Flying upward serious, the automaticity causing environmental pollution and whole production line is low, and the labor intensity of employee is big,
Production efficiency is low, uses high-speed mixer to add the manufacture method of double screw extruder, due to the method material
Wanting high-speed stirred, meanwhile, the more difficult control of temperature of mixer, energy consumption is the biggest.Both the above produces
Technique is all to complete under high temperature and high speed shearing condition, and the performance of masterbatch and additive is likely to change
Becoming, use in the master batch that both the above production technology produces, the plastics of some transnormal additions help
Its concentration of agent is limited.Modifying plastics filler and additive types are various, not can be all of filler
Process above is used to make multifunctional mother granules with additive.
In sum, current above-mentioned master batch and preparation method thereof and equipment still suffer from deficiency, it is still necessary to seek
A kind of simple efficient covering property granule and preparation method thereof.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of dustless, energy-conservation, do not change
Master batch/modified particles vector resin and filling, Additive Properties, and improve master batch/modified particles and application
A kind of preparation method of the novel covering property granule of the interlaminar resin compatibility.
On the one hand, the present invention provides a kind of covering property granule, including:
Coating, and
Clad, described clad is coated with described coating completely,
Wherein said coating is the one in thermoplastic resin modified filler, pigment, additive or several
The mixture planted, described clad is resin.
In an embodiment of the covering property granule of the present invention, described clad selected from PP, PE,
One or more in ABS, PS, PA, PVC, FR, POM, PC and PET.
In another embodiment of the covering property granule of the present invention, described covering property grain diameter 2
10mm, preferably 2.5 7mm, the thickness of described clad is 0.01 4.95mm, preferably 0.02
3.45mm。
In another embodiment of the covering property granule of the present invention, described covering property granule is covering property
Master batch or covering property modified particles.
In another embodiment of the covering property granule of the present invention, described covering property master batch is covering property
Pulvis Talci master batch, covering property glass fibre master batch, covering property black masterbatch, covering property carbon fiber master batch,
Covering property antioxidant master batch, covering property fire retardant master batch, covering property Masterbatch or covering property multifunctional mother granules.
In another embodiment of the covering property granule of the present invention, described covering property modified particles is bag
The property covered MODIFIED PP granule, covering property modified PE granule, covering property modified ABS granule, covering property change
Property PS granule, covering property modification PA granule, covering property modified PVC granule, covering property modification POM
Granule, covering property modification PC granule, granule modified, the covering property alloying pellet of covering property modified PET etc..
On the other hand, the present invention provides the preparation method of a kind of covering property granule, including:
Thermoplastic resin masterbatch is plastified, extrudes and tube drawing, obtain thermoplastic resin pipe；
Coating is filled in described thermoplastic resin pipe；And
Described thermoplastic resin pipe after filling is sheared, and makes described thermoplastic resin pipe wrap completely
Cover described coating, obtain covering property granule.
In an embodiment of the preparation method of the present invention, described filling is carried out with described tube drawing simultaneously.
In another embodiment of the preparation method of the present invention, after described tube drawing, carry out described filling.
In another embodiment of the preparation method of the present invention, described covering property grain diameter 2
10mm, preferably 2.5 7mm, the thickness of described clad is 0.01 4.95mm, preferably 0.02
3.45mm。
In another embodiment of the preparation method of the present invention, described thermoplastic resin masterbatch is selected from
One or more in PP, PE, ABS, PS, PA, PVC, FR, POM, PC and PET.
In another embodiment of the preparation method of the present invention, described coating is that thermoplastic resin changes
The mixture of one or more in property filler, pigment, additive.
In another embodiment of the preparation method of the present invention, described shearing is entered in the way of hot shearing
OK, while shearing, clad is closed, form subsphaeroidal granule or the column of Full-enclosed leakless
Grain.
In another embodiment of the preparation method of the present invention, described shearing is entered in the way of cold shearing
OK, the cylindrical particle that end face is not closed is formed.
On the other hand, the present invention provides the application in thermoplastic resin manufacture field of the above-mentioned covering property granule.
Compared with prior art, covering property granule of the present invention and preparation method thereof has the advantages that
1, all thermoplastic resin fillings, additive, pigment etc., can use the method to make mother
Grain, the physical modification of all thermoplastic resins, the method can be used to make, size is necessarily
In the range of adjustable, solve in prior art that thermoplastic resin manufacture field is filled, additive feeding is difficult,
Metering is difficult, measure inaccurate problem, has stopped dust from flying simultaneously, has improved working environment.
2, use master batch/modified particles of making of preparation method of the present invention change hardly clad resin and
The performance of coating, improves the compatibility between master batch and resin matrix, it is ensured that the quality of goods.
The present invention provide preparation method step less, cost is relatively low, rational technology, easy to operate, control
System is accurately, it is easy to industrialization.
Accompanying drawing explanation
Fig. 1 is the process chart of an embodiment according to preparation method of the present invention；
Fig. 2 is the process chart of another embodiment according to preparation method of the present invention.
Detailed description of the invention
Below according to specific embodiment, technical scheme is described further.The protection of the present invention
Scope is not limited to following example, enumerates these examples and limits never in any form merely for exemplary purpose
The present invention processed.
The covering property granule of the present invention includes coating and clad, and this clad is coated with this coating completely.
Covering property granule can be covering property master batch or covering property modified particles.
The coating of covering property granule produce by thermoplastic resin and modified used filling, additive and
Pigment etc..As: the one of Pulvis Talci, glass fibre, white carbon black, antioxidant, fire retardant, plasticizer etc.
Or several mixture.
The clad of covering property granule is resin, this resin be in thermoplastic resin any one such as: PP,
One or more in PE, ABS, PS, PA, PVC, FR, POM, PC and PET etc..
When covering property granule is covering property modified particles, this clad is to need modified thermoplastic resin
Fat.
Covering property grain diameter 2 10mm, preferably 2.5 7mm, the thickness of clad is 0.01
4.95mm, preferably 0.02 3.45mm.
Fig. 1 is the process chart of an embodiment according to preparation method of the present invention, as it is shown in figure 1,
Specifically include following steps:
1, precise raw material according to set proportion, raw material includes clad resin and coating.
2, being added in by clad resin in the hopper of resin tube pulling machine, clad resin is entered by tube pulling machine
Row plasticizing, extrusion, tube pulling, be added in coating in the hopper of filling machine simultaneously, uses filling machine continuous
In thermoplastic resin pipe fill.
3, by adjusting tube pulling machine mouth die, transfer to the thermoplastic resin pipe of required diameter, adjust simultaneously
The speed of filling machine feeder makes coating sufficiently be full of thermoplastic resin pipe.
4, adjust shear rate, will be filled with the thermoplastic resin pipe hot shearing of coating, will when shearing
Clad heat seal is closed, and forms covering property granule totally enclosed, leak free, of uniform size.
Fig. 2 is the process chart of another embodiment according to preparation method of the present invention, such as Fig. 2 institute
Showing, it is with the difference of the embodiment of Fig. 1: when preparing covering property granule, first carries out tube drawing,
It is filled with coating the most again.
Unless otherwise defined, term used herein is the implication that those skilled in the art are generally understood that.
By the following examples the present invention is described in further detail.
Embodiment
Number in following example and comparative example refers both to weight portion.
Embodiment 1:
The Pulvis Talci of the polypropylene of 17 parts and 83 parts is put into respectively in tube pulling machine hopper and filling machine material
In bucket, the mouth die of tube pulling machine is adjusted to the specification of external diameter 5mm internal diameter 4mm, starts tube pulling machine, adjust
The head temperature of whole tube pulling machine, starts filling machine, adjusts talcous blanking velocity, and tube pulling limit, limit is filled,
Then adjust shear rate, carry out hot shearing to being filled with talcous polypropylene thermoplastic pitch tube,
It is coated with master batch at the polypropylene Pulvis Talci of about 5mm to particle diameter.
Embodiment 2:
The carbon fiber of the ABS resin of 23 parts and 77 parts is put into respectively in the hopper of tube pulling machine and fill
In machine hopper, the mouth die of tube pulling machine is adjusted to the specification of external diameter 3mm internal diameter 2.6mm, starts tube pulling
Machine, adjusts the head temperature of tube pulling machine, starts filling machine, adjusts the blanking velocity of carbon fiber, limit tube pulling
Limit is filled, and then adjusts shear rate, carries out the ABS resin thermoplastic resin pipe being filled with carbon fiber
Hot shearing, obtains particle diameter at the ABS carbon fiber of about 3mm and is coated with master batch.
Embodiment 3:
The acrylic resin of 33 parts is put in the hopper of tube pulling machine, outside the mouth die of tube pulling machine is adjusted to
Footpath 4mm, the specification of internal diameter 3.5mm, start tube pulling machine, adjust the head temperature of tube pulling machine, then
It is 4mm that external diameter is dialled in extrusion tube pulling, and internal diameter is the polypropylene thermoplastic pitch tube of 3.5mm.To dial
Thermoplastic resin pipe by being placed on filling machine, in filling machine hopper, then add the compound antioxygen of 67 parts
Agent B215 (it is composited in the ratio of 2:1 by irgasfos 168 and antioxidant 1010, wherein irgasfos 168
Being three [2.4-di-tert-butyl-phenyl] phosphite ester, antioxidant 1010 is four [β-(3,5-di-t-butyl-4-
Hydroxy phenyl) propanoic acid] pentaerythritol ester), start filling machine, adjust the blanking velocity of B215, make antioxygen
Agent B215 is sufficiently filled in polypropylene thermoplastic pitch tube, then by populated polypropylene thermoplastic
Property pitch tube carry out hot shearing, obtain particle diameter about 4mm polypropylene B215 be coated with master batch.
Embodiment 4:
The polyvinyl resin of 42 parts is put in the hopper of tube pulling machine, outside the mouth die of tube pulling machine is adjusted to
Footpath 6mm, the specification of internal diameter 5mm, start tube pulling machine, adjust the head temperature of tube pulling machine, then squeeze
Go out tube pulling dialling into external diameter is 6mm, and internal diameter is polyethylene thermoplastic resin's pipe of 5mm.The heat that will have dialled
Plastic resin pipe, by being placed on filling machine, then adds the composite antioxidant of 58 parts in filling machine hopper
B225 (it is composited in the ratio of 1:1 by irgasfos 168 and antioxidant 1010, wherein irgasfos 168
Being three [2.4-di-tert-butyl-phenyl] phosphite ester, antioxidant 1010 is four [β-(3,5-di-t-butyl-4-
Hydroxy phenyl) propanoic acid] pentaerythritol ester), start filling machine, adjust the blanking velocity of B225, make antioxygen
Agent B225 is sufficiently filled in polyethylene thermoplastic resin's pipe, then by populated polyethylene thermoplastic
Property pitch tube carry out hot shearing, obtain particle diameter about 6mm polyethylene B225 be coated with master batch.
Embodiment 5:
By the ABS resin of 30 parts and the Lubricate EBS of prepare by a certain percentage 70 parts, stearic acid
Calcium, barium stearate mixture are put in the hopper of tube pulling machine and in filling machine hopper respectively, by tube pulling machine
Mouth die be adjusted to external diameter 4mm, the specification of internal diameter 3.6mm, start tube pulling machine, adjust tube pulling machine
Head temperature, starts filling machine, adjusts the blanking velocity of inserts, and tube pulling limit, limit is filled, and then adjusts
Shear rate, carries out hot shearing to populated ABS resin thermoplastic resin pipe, obtains particle diameter at 4mm
The compound additive master batch being coated with ABS of left and right.
Embodiment 6:
By the polypropylene of 10 parts and the composite antioxidant B215 of prepare by a certain percentage 90 parts, stearic acid
Calcium, Pulvis Talci, the green mixture of titanium cyanines are put in the hopper of tube pulling machine and in filling machine hopper respectively, will
It is 2.5mm that the mouth die of tube pulling machine is adjusted to external diameter, and internal diameter is the specification of 2.3mm, starts tube pulling machine, adjusts
The head temperature of whole tube pulling machine, starts filling machine, adjusts the blanking velocity of inserts, and tube pulling limit, limit is filled,
Then adjust shear rate, populated polypropylene thermoplastic pitch tube is carried out hot shearing, obtains particle diameter
Polypropylene multifunctional at about 2.5mm is coated with master batch.
Embodiment 7:
By PP AW191 (TPCGO company of Singapore), PP K7726 (Yanshan Petrochemical), PP F401
(north, Liaoning Hua Jin), SBS YH-792 (Yueyang petrochemical industry) are the most mixed with high-speed mixer by a certain percentage
Close 1 minute, mixed on low speed three minutes, put in tube pulling machine hopper, the mouth die of tube pulling machine is adjusted to
External diameter 5mm specification, starts tube pulling machine, adjusts the head temperature of tube pulling machine, starts filling machine, will be by
Superfine talcum powder (1250 mesh, Yunnan ultra micro new material company), Aluminate that certain proportion blends are even
Connection agent (Hebei Xinji chemical industry), PP-g-MAH (Ke Hua company of Haier), antioxidant 1010 (Liaoning
Jia Kai), DLTP (Liaoning is praised triumphant), CaSt (Liaoning is praised triumphant), EBS (Liaoning is praised triumphant) mixture,
Putting in filling machine hopper, tube pulling limit, limit is filled, and then adjusts shear rate, to populated plastics
Pipe carries out hot shearing, obtains the particle diameter refrigerator drawer special covering property modified particles at about 5mm.
Embodiment 8:
By PP K7726 (Yanshan Petrochemical), PP 8303 (Yanshan Petrochemical), PP 2401 (Yanshan Petrochemical),
POE 8105 uses high-speed mixer mixed on low speed 1 minute by a certain percentage, high-speed stirred 1 minute, puts into
In tube pulling machine hopper, the mouth die of tube pulling machine is adjusted to external diameter 3mm specification, starts tube pulling machine, adjust
The head temperature of whole tube pulling machine, start filling machine, by blend by a certain percentage 1010, DLTP,
ZnSt, black stock, put in filling machine hopper, and tube pulling limit, limit is filled, and then adjusts and shears speed
Degree, carries out hot shearing to populated plastic tube, obtains particle diameter special at the bumper of about 3mm
Use covering property modified particles.
Embodiment 9:
PP K7726 (Yanshan Petrochemical), PP T30S (north, Liaoning Hua Jin) are put into tube pulling machine
In hopper, by a certain percentage by high-speed mixer mixed at high speed 1 minute, low hasten to stir 3 minutes, will
The mouth die of tube pulling machine is adjusted to external diameter 6mm, starts tube pulling machine, adjusts the head temperature of tube pulling machine, then
It is 6mm that external diameter is dialled in extrusion tube pulling.By the plastic tube dialled by being placed on filling machine, then to filling machine
Hopper adds blend by a certain percentage 1010, DLTP, EBS, ultra-fine barium sulfate, Aluminate
Coupling agent, nucleator mixture, start filling machine, adjusts the blanking velocity of mixture, makes mixture fill
That divides is filled in plastic tube, then populated plastic tube is carried out hot shearing, obtains particle diameter at 6mm
The electric cooker of left and right, electric cup special covering property modified particles.
Comparative example 1:
The Pulvis Talci of the acrylic resins of 20 parts and 80 parts is put into banburying in banbury, then by close
Material after refining is put in double-screw extruding pelletizing machine, then extrudes, cools down, pelletize, prepares 5mm
The Pulvis Talci polypropylene agglomerate of left and right particle diameter.
Comparative example 2:
Mix at a high speed in the composite antioxidant B225 of the polyvinyl resins of 90 parts and 10 parts is put into mixer
Close, then mixed material is put in double-screw extruding pelletizing machine, then extrude, cool down, make
Grain, prepares the composite antioxidant B225 polyethylene master batch of about 4mm particle diameter.
Comparative example 3:
The acrylic resins of 90 parts and the composite antioxidant B215 of 10 parts, calcium stearate mixture are put into
Mixed at high speed in mixer, then puts in double-screw extruding pelletizing machine by mixed material, then
Extrusion, cooling, pelletize, prepare the composite antioxidant B215 of about 6mm particle diameter, calcium stearate gather
Propylene master batch.
Comparative example 4:
By a certain proportion of PP AW191, PP K7726, PP F401, SBS YH-792, calcium carbonate
Add in high-speed mixer, mixed at high speed 1min, it is subsequently adding certain proportion Aluminate, mixed on low speed
3min, then by superfine talcum powder, PP-g-MAH, 1010, DLTP, CaSt), EBS add at a high speed
Mixer high speed mixes 1 minute, discharging.Use rotating Vortex engagement type parallel double-screw extruder altogether
Mixed pelletize, obtains the dedicated modified granule of refrigerator drawer.
Comparative example 5:
By a certain proportion of PP K7726, PP 8303, PP 2401, POE 8105,1010, DLTP,
ZnSt, white carbon black use high-speed mixer mixed on low speed 1 minute by a certain percentage, mixed on low speed 3min,.Adopt
Pelletize is blended with rotating Vortex engagement type parallel double-screw extruder, obtains dedicated modified of bumper
Grain.
Comparative example 6:
A certain proportion of PP K7726 (Yanshan Petrochemical), PP T30S, ultra-fine barium sulfate are added at a high speed
In mixer, mixed at high speed 1min, it is subsequently adding certain proportion Aluminate, mixed on low speed 3min, then
By 1010, DLTP, EBS, ultra-fine barium sulfate, nucleator add high-speed mixer high speed mixing 1
Minute, discharging.Use rotating Vortex engagement type parallel double-screw extruder pelletize is blended, obtain electric cooker,
The special dedicated modified granule of electric cup.
Master batch prepared by covering property master batch and comparative example 1-3 of embodiment 1-6 gained is compared, specifically ties
Fruit is as shown in table 1.
Modified particles prepared by covering property modified particles and comparative example 4-6 of embodiment 7-9 gained is compared,
Concrete outcome is as shown in table 2.
Table 1
From table 1 it follows that in embodiment clad by doses (carrier) well below in comparative example
Carrier doses in plasticizing master batch, therefore the manufacturing cost of the embodiment of the present invention is less than the manufacture of comparative example
Cost.Additionally, antioxidant is coated with its antioxygenic property of master batch and simple anti-oxidant performance ratio in embodiment
To without any difference, and its antioxygenic property of antioxidant master batch in comparative example decreases.
Table 2
From Table 2, it can be seen that the mother of its performance of covering property modified master batch and comparative example in embodiment 7-9
The basic zero difference of graininess energy, and production cost is less than the production cost of comparative example.
The present invention be applied to thermoplastic resin produce, the processing of thermoplastic resin modified, thermoplastic resin each
Individual field, range of application and extensively.
Those skilled in the art are it should be noted that, embodiment described in the invention is the most exemplary
, various other replacement, changes and improvements can be made within the scope of the invention.Thus, the present invention is not
It is limited to above-mentioned embodiment, and is only defined by the claims.
Claims (8)
1. a preparation method for covering property granule, including:
Thermoplastic resin masterbatch is plastified, extrudes and tube drawing, obtain thermoplastic resin pipe；
Coating is filled in described thermoplastic resin pipe；And
Described thermoplastic resin pipe after filling is sheared, and makes described thermoplastic resin pipe wrap completely
Cover described coating, obtain covering property granule,
Wherein, described coating is in thermoplastic resin modified filler, pigment, additive
The mixture of one or more.
Preparation method the most according to claim 1, wherein said filling and described tube drawing carry out simultaneously or
Described filling is carried out after described tube drawing.
Preparation method the most according to claim 1, the particle diameter of wherein said covering property granule is 2
10mm, the thickness of described clad is 0.01 4.95mm.
Preparation method the most according to claim 3, the particle diameter of wherein said covering property granule is 2.5
7mm, the thickness of described clad is 0.02 3.45mm.
Preparation method the most according to claim 1, wherein said thermoplastic resin masterbatch selected from polypropylene,
Polyethylene, acrylonitrile-butadiene-styrene copolymer, polystyrene, polyamide, polrvinyl chloride, poly-
One or more in formaldehyde, Merlon and polyethylene terephthalate.
Preparation method the most according to claim 1, wherein said coating be Pulvis Talci, glass fibre,
The mixture of one or more in white carbon black, antioxidant, fire retardant, plasticizer.
7., according to the preparation method any one of claim 1 to 6, wherein said shearing is with hot shearing
Mode is carried out, shear while by clad close, formed Full-enclosed leakless subsphaeroidal granule or
Cylindrical particle.
8., according to the preparation method any one of claim 1 to 6, wherein said shearing is with cold shearing
Mode is carried out, and forms the cylindrical particle that end face is not closed.
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