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PET/ABS plastic alloy and preparation method thereof

A technology of ABS plastic and ABS resin, which is applied in the field of PET/ABS plastic alloy and its preparation, can solve problems such as defects in mechanical properties and poor compatibility, and achieve the effects of high mechanical properties, good application prospects, and low material cost

Inactive Publication Date: 2021-06-29
厦门毅兴行塑胶原料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, at present, PET resin and ABS resin still have the problem of poor compatibility, and the plastic alloy has certain defects in mechanical properties, etc., so further improvement is needed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] A preparation method of PET / ABS plastic alloy, comprising the following steps:

[0070] S1. Mix and stir 20kg ABS resin and 85kg PET resin for 3 minutes at a speed of 600r / min, then adjust the speed to 1000r / min, add 19kg of compatibilizer (styrene-maleic anhydride copolymer), 11.5kg of toughening agent (SBS resin is 1.107kg, PBT resin is 2.465kg, ABS high rubber powder is 4.928kg), 0.5kg lubricant (silicone), 1.2kg antioxidant (antioxidant 1076), 4.75kg nano CaCO 3 , 14.25kg sulfate whiskers (calcium sulfate whiskers), 1kg 1-butyl-3-methylimidazolium chloride salt and 0.4kg sorbitan monopalmitate continue to mix and stir for 10min to obtain a mixture;

[0071] S2. At a temperature of 240°C, the mixture is melt-blended and extruded, then cooled, pelletized, and pelletized to obtain a PET / ABS plastic alloy.

Embodiment 2

[0073] A preparation method of PET / ABS plastic alloy, comprising the following steps:

[0074] S1. Mix and stir 15kg ABS resin and 90kg PET resin at a speed of 700r / min for 4min, then adjust the speed to 1100r / min, add 21kg of compatibilizer (styrene-maleic anhydride copolymer), 10.5kg of toughening agent (SBS resin is 3.5kg, PBT resin is 2.45kg, ABS high rubber powder is 4.55kg), 0.7kg lubricant (pentaerythritol ester), 0.8kg antioxidant (antioxidant 168), 5.25kg nano CaCO 3 , 13.5kg sulfate whiskers (magnesium sulfate whiskers), 2.5kg 1-butyl-3-methylimidazolium chloride salt and 0.3kg sorbitan monopalmitate continue to mix and stir for 12.5min to obtain a mixture;

[0075] S2. At a temperature of 250° C., the mixture is melt-blended and extruded, then cooled, pelletized, and pelletized to obtain a PET / ABS plastic alloy.

Embodiment 3

[0077] A preparation method of PET / ABS plastic alloy, comprising the following steps:

[0078] S1. Mix and stir 10kg ABS resin and 95kg PET resin for 5 minutes at a speed of 800r / min, then adjust the speed to 1200r / min, and add 23kg of compatibilizer (styrene-acrylonitrile-glycidyl methacrylate copolymer) , 9.5kg toughening agent (2.375kg for SBS resin, 2.969kg for PBT resin, 4.156kg for ABS high rubber powder), 0.9kg lubricant (0.3kg for silicone, 0.2kg for calcium stearate, ethylene bismuth Stearamide is 0.4kg), 0.4kg antioxidant (antioxidant 245 is 0.3kg, antioxidant 1076 is 0.1kg), 5.75kg nano CaCO 3 , 12.75kg sulfate whiskers (calcium sulfate whiskers are 6kg, magnesium sulfate whiskers are 6.75kg), 4kg 1-butyl-3-methylimidazolium chloride salt and 0.2kg sorbitan monopalmitate continue to mix and stir 15min, obtain mixture;

[0079] S2. At a temperature of 260°C, the mixture is melt-blended and extruded, then cooled, pelletized, and pelletized to obtain a PET / ABS plasti...

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Abstract

The invention relates to the field of high polymer materials, and particularly discloses a PET / ABS (polyethylene terephthalate / acrylonitrile-butadiene-styrene) plastic alloy and a preparation method thereof. The plastic alloy is prepared from the following components in parts by weight: 85 to 95 parts of PET (Polyethylene Terephthalate) resin, 10 to 20 parts of ABS (Acrylonitrile Butadiene Styrene) resin, 19 to 23 parts of compatilizer, 9.5 to 11.5 parts of flexibilizer, 0.5 to 0.9 part of lubricant, 0.4 to 1.2 parts of antioxidant, 4.75 to 5.75 parts of nano CaCO3, 12.75 to 14.25 parts of sulfate whisker, 1 to 4 parts of 1-butyl-3-methylimidazolium chloride and 0.2 to 0.4 part of sorbitan monopalmitate. The compatibility of the two resins in the plastic alloy is better, and the plastic alloy is excellent in mechanical property, high-temperature resistance, low-temperature resistance and weather resistance, and meanwhile, the material cost is lower, so that the plastic alloy has a good application prospect.

Description

technical field [0001] The application relates to the field of polymer materials, more specifically, it relates to a PET / ABS plastic alloy and a preparation method thereof. Background technique [0002] Plastic alloys are a new class of high-performance, functional, and specialized materials obtained by physical blending or chemical grafting. They can be widely used in the fields of automobiles, electronics, precision instruments, office equipment, packaging materials, and building materials. . Among them, the PET / ABS plastic alloy is obtained by blending PET resin and ABS resin. [0003] ABS resin is a terpolymer of three monomers of acrylonitrile, butadiene and styrene. It has tough, hard, rigid phase balanced mechanical properties, and has good dimensional stability, surface gloss, and low temperature resistance. , coloring processability and processing fluidity, but its heat distortion temperature is low, and its resistance to organic solvents is poor; while PET resin ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L55/02C08K7/08C08K3/26C08K9/06C08K9/04
CPCC08L67/02C08L2201/08C08K2003/265C08K2201/014C08K2201/011C08L55/02C08K7/08C08K3/26C08K9/04C08K9/06
Inventor 陈鸿景
Owner 厦门毅兴行塑胶原料有限公司
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