CN109422995A - A kind of acrylonitrile-butadiene-styrene copolymer composition and preparation method thereof - Google Patents
A kind of acrylonitrile-butadiene-styrene copolymer composition and preparation method thereof Download PDFInfo
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- CN109422995A CN109422995A CN201710737281.2A CN201710737281A CN109422995A CN 109422995 A CN109422995 A CN 109422995A CN 201710737281 A CN201710737281 A CN 201710737281A CN 109422995 A CN109422995 A CN 109422995A
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- butadiene
- acrylonitrile
- styrene copolymer
- copolymer composition
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2355/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2323/00 - C08J2353/00
- C08J2355/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
Abstract
The present invention discloses a kind of acrylonitrile-butadiene-styrene copolymer composition and preparation method thereof, is made of 100 parts of regeneration acrylonitrile-butadiene-styrene copolymer, 1-2 parts of isocyanates, 3-6 parts of butyl stearate, 15-35 parts of wood powder, 2-3 parts of maleic anhydride inoculated polypropylene, 0.3-0.8 parts of antioxidant through mixing, hot pressing.The present invention will first regenerate acrylonitrile-butadiene-styrene copolymer and butyl stearate mixed melting, then solve wood powder and regeneration acrylonitrile-butadiene-styrene copolymer poor compatibility, difficult the problems such as mixing by hot-forming.Acrylonitrile-butadiene-styrene copolymer composition tensile strength with higher, elongation at break, the bending strength, impact strength that the present invention is prepared, good mechanical performance；The purpose of hot pressing is to make cured with isocyanates, increases the plasticity of composition, evaporates the moisture in slab.
Description
Technical field
The invention belongs to technical field of polymer materials, specifically a kind of acrylonitrile-butadiene-styrene copolymer combination
Object and preparation method thereof.
Background technique
Acrylonitrile butadiene styrene copolymer (ABS) is the engineering plastics of high comprehensive performance, is remained at -40 DEG C
Higher impact strength, while its good stability of the dimension are kept, insulating properties is good, and wear-resisting, oil resistant is widely used in instrument ammeter etc.
Field.But there are some defects by pure ABS, and if melt glaze degree is high, poor fluidity, thermal stability and weatherability are bad, and hardness is lower,
Limit further applying for it.
Wood powder modification regeneration acrylonitrile-butadiene-styrene copolymer composition, can not only make full use of regeneration propylene
Nitrile-butadiene-styrene copolymer (acrylonitrile-butadiene-styrene copolymer after the recovery), can also reduce cost.Change
Property plastic industry application wood powder, is a kind of behave turned waste into wealth, can give increasing peasant income.
However, there are the following problems for meeting by hot-forming: wood powder and regeneration acrylonitrile-butadiene-styrene copolymer
Poor compatibility, final products poor mechanical property；Acrylonitrile-butadiene-styrene copolymer and wood powder are regenerated due to bulk density
It differs greatly, is difficult to be uniformly mixed；For wood powder in mixing, shearing force is stronger when due to batch mixer mixing, and wood powder is easily burnt.
Summary of the invention
The purpose of the present invention is to provide a kind of acrylonitrile-butadiene-styrene copolymer compositions and preparation method thereof.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of acrylonitrile-butadiene-styrene copolymer composition is made by weight of following components:
The wood powder is to impregnate 25-35min by the sodium hydrate aqueous solution of 1-2%, is dried to moisture content < 2%.
The partial size of the wood powder is 120-150 mesh.Wood powder modification regeneration acrylonitrile-butadiene-styrene copolymer at this time
Composition properties are excellent；Partial size is too big or too small, composition properties can be caused poor because of easy to reunite or other reasons.
The moisture content < 4% of the regeneration acrylonitrile-butadiene-styrene copolymer.Moisture content is high, in extrusion process
It is easy to cause acrylonitrile-butadiene-styrene copolymer degradation, acrylonitrile-butadiene-styrene copolymer composition in tie rod
It is easy to appear broken strip phenomenon in the process.
The antioxidant is selected from three (2,4- di-tert-butyl-phenyl) phosphite esters, four (β-(3,5- di-t-butyl -4- hydroxyls
Phenyl) propionic acid) pentaerythritol ester, at least one of double octadecyls of thio-2 acid.
It is another object of the present invention to provide a kind of preparations of acrylonitrile-butadiene-styrene copolymer composition
Method, comprising the following steps:
(1) according to the ratio, 100 parts of regeneration acrylonitrile-butadiene-styrene copolymers, 3-6 parts of butyl stearates are weighed, are added
Enter in batch mixer, mixing velocity 600-800r/min, mixes 2-5min；
(2) 15-35 parts of wood powders are weighed, are added in the batch mixer of (1), mixing velocity 300-400r/min mixes 2-
5min；
(3) 1-2 parts of isocyanates, 2-3 parts of maleic anhydride inoculated polypropylenes, 0.3-0.8 parts of antioxidant are continuously added, height is mixed
1-2min takes out spare；
(4) precompressed in mold, pressure 2-3MPa, time 10-30s are placed in；It is hot-forming, 160-200 DEG C of temperature, pressure
20-100MPa, time 5-30min.
Beneficial effects of the present invention:
(1) present invention will first regenerate acrylonitrile-butadiene-styrene copolymer and butyl stearate mixed melting, stearic
Acid butyl ester is uniformly adhered to regeneration acrylonitrile-butadiene-styrene copolymer surface, adds wood powder, the tristearin after fusing
Wood powder can be adhered to regeneration acrylonitrile-butadiene-styrene copolymer particle surface by acid butyl ester, be solved by hot-forming
The problems such as certainly wood powder is mixed with regeneration acrylonitrile-butadiene-styrene copolymer poor compatibility, hardly possible；
(2) the acrylonitrile-butadiene-styrene copolymer composition tensile strength with higher that is prepared, fracture
Elongation, bending strength, impact strength, good mechanical performance；The purpose of hot pressing is to make cured with isocyanates, increases composition
Plasticity evaporates the moisture in slab.
Specific embodiment
Present invention is further described in detail combined with specific embodiments below.
Wood powder partial size is 120-150 mesh.
Regenerate acrylonitrile-butadiene-styrene copolymer moisture content < 4%.
Wood powder is to impregnate 30min, drying, wood powder moisture content < 2% by the sodium hydrate aqueous solution of 1-2%.
Embodiment 1
(1) 100 parts of regeneration acrylonitrile-butadiene-styrene copolymers, 3 parts of butyl stearates are weighed, batch mixer is added
In, mixing velocity 600r/min mixes 2min；
(2) 15 part of 150 mesh wood powder is weighed, is added in step (1) batch mixer, mixing velocity 300r/min, 2min is mixed；
(3) continuously add 1 part of isocyanates, 2 parts of maleic anhydride inoculated polypropylenes, 0.1 part of antioxidant 1010,0.2 part it is anti-
Oxygen agent 168, the mixed 2min of height, takes out spare；
(4) precompressed in mold, pressure 2MPa, time 10s are placed in；It is hot-forming, 160 DEG C of temperature, pressure 20MPa, the time
The acrylonitrile-butadiene-styrene copolymer composition of the present embodiment is made in 5min.
Embodiment 2
(1) 100 parts of regeneration acrylonitrile-butadiene-styrene copolymers, 3 parts of butyl stearates are weighed, batch mixer is added
In, mixing velocity 800r/min mixes 5min；
(2) 20 part of 120 mesh wood powder is weighed, is added in step (1) batch mixer, mixing velocity 400r/min, 5min is mixed；
(3) 1.5 parts of isocyanates, 2.5 parts of maleic anhydride inoculated polypropylenes, 0.1 part of antioxidant 1010,0.2 are continuously added
Part irgasfos 168,0.3 part of antioxidant DSTDP, the mixed 2min of height take out spare；
(4) precompressed in mold, pressure 3MPa, time 30s are placed in；It is hot-forming, 200 DEG C of temperature, pressure 100MPa, the time
The acrylonitrile-butadiene-styrene copolymer composition of the present embodiment is made in 30min.
Embodiment 3
(1) 100 parts of regeneration acrylonitrile-butadiene-styrene copolymers, 6 parts of butyl stearates are weighed, batch mixer is added
In, mixing velocity 700r/min mixes 5min；
(2) 35 part of 150 mesh wood powder is weighed, is added in the batch mixer of step (1), 400 turns/min of mixing velocity, mixing
5min；
(3) continuously add 2 parts of isocyanates, 3 parts of maleic anhydride inoculated polypropylenes, 0.2 part of antioxidant 1010,0.3 part it is anti-
168,0.3 parts of antioxidant DSTDP of oxygen agent, the mixed 1min of height, take out spare；
(4) precompressed in mold, pressure 2.5MPa, time 15s are placed in；It is hot-forming, 180 DEG C of temperature, pressure 50MPa, when
Between 10min, be made the present embodiment acrylonitrile-butadiene-styrene copolymer composition.
Comparative example
(1) 100 parts of regeneration acrylonitrile-butadiene-styrene copolymers, 15 parts of wood powders, 6 parts of paraffin waxes are weighed, 0.2
Part antioxidant 1010,0.3 part of irgasfos 168, are added in batch mixer, the mixed 2min of height；
(2) precompressed in mold, pressure 2MPa, time 10s are placed in；It is hot-forming, 160 DEG C of temperature, pressure 20MPa, the time
Acrylonitrile-butadiene-styrene copolymer composition is made in 5min.
The pellet that embodiment 1-3 is prepared with comparative example is drawn a design by the injection molding of above-mentioned Shooting Technique, carries out Mechanics Performance Testing,
It the results are shown in Table 1.
1 performance test of table
Embodiment 1-3 and the mechanical experimental results of comparative example can be seen that propylene prepared by the present invention from table 1
Nitrile-butadiene-styrene copolymer composition tensile strength with higher, elongation at break, bending strength, impact strength,
Good mechanical performance.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to case study on implementation, and described herein one
As principle be applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementation cases here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (6)
1. a kind of acrylonitrile-butadiene-styrene copolymer composition, it is characterised in that: be made by weight of following components:
100 parts of acrylonitrile-butadiene-styrene copolymer of regeneration,
1-2 parts of isocyanates,
3-6 parts of butyl stearate,
15-35 parts of wood powder,
2-3 parts of maleic anhydride inoculated polypropylene,
0.3-0.8 parts of antioxidant.
2. acrylonitrile-butadiene-styrene copolymer composition according to claim 1, it is characterised in that: the wood powder
It is to impregnate 25-35min by the sodium hydrate aqueous solution of 1-2%, is dried to moisture content < 2%.
3. acrylonitrile-butadiene-styrene copolymer composition according to claim 1, it is characterised in that: the wood powder
Partial size be 120-150 mesh.
4. acrylonitrile-butadiene-styrene copolymer composition according to claim 1, it is characterised in that: the regeneration
The moisture content < 4% of acrylonitrile-butadiene-styrene copolymer.
5. acrylonitrile-butadiene-styrene copolymer composition according to claim 1, it is characterised in that: the antioxygen
Agent is selected from three (2,4- di-tert-butyl-phenyl) phosphite esters, four (β-(3,5- di-t-butyl -4- hydroxy phenyl) propionic acid) seasons
At least one of double octadecyls of Doutrate, thio-2 acid.
6. a kind of preparation side of acrylonitrile-butadiene-styrene copolymer composition as described in any one in claim 1-5
Method, it is characterised in that: the following steps are included:
(1) according to the ratio, 100 parts of regeneration acrylonitrile-butadiene-styrene copolymers, 3-6 parts of butyl stearates are weighed, are added mixed
In material machine, mixing velocity 600-800r/min mixes 2-5min；
(2) 15-35 parts of wood powders are weighed, are added in the batch mixer of (1), mixing velocity 300-400r/min mixes 2-5min；
(3) 1-2 parts of isocyanates, 2-3 parts of maleic anhydride inoculated polypropylenes, 0.3-0.8 parts of antioxidant, the mixed 1- of height are continuously added
2min takes out spare；
(4) precompressed in mold, pressure 2-3MPa, time 10-30s are placed in；It is hot-forming, 160-200 DEG C of temperature, pressure 20-
100MPa, time 5-30min.
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| CN201710737281.2A CN109422995B (en) | 2017-08-24 | 2017-08-24 | Acrylonitrile-butadiene-styrene copolymer composition and preparation method thereof |
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| CN201710737281.2A CN109422995B (en) | 2017-08-24 | 2017-08-24 | Acrylonitrile-butadiene-styrene copolymer composition and preparation method thereof |
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| CN109422995B CN109422995B (en) | 2022-05-10 |
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