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Metho of raising compatibility between ABS and polymethyl methacrylate

A polymethyl methacrylate and compatibility technology, applied in the field of thermoplastic resin compositions, can solve the problems of uneven distribution and uneven surface hardness of alloy products, and achieve improved compatibility, uniform hardness distribution, and excellent tensile strength. The effect of elongation and bending properties

Inactive Publication Date: 2007-06-27
MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the blending modification of ABS and PMMA, since ABS and PMMA are partially compatible systems, direct use of ABS and PMMA for modification and granulation is likely to cause uneven distribution of the two in the alloy, resulting in uneven surface hardness of alloy products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Weigh ABS and PMMA raw materials according to the weight ratio of 100:25, add 3.8 parts of MBS after mixing, then mix evenly in a high-speed mixer, transfer to a twin-screw extruder to melt and blend at 180-220 ° C, pressure 60- 80Mpa, the material stays for 2 minutes; the material is discharged, cooled, dried and pelletized after extrusion to obtain the finished product.

Embodiment 2

[0018] Weigh ABS and PMMA raw materials according to the weight ratio of 100:30, add 5 parts of MBS after mixing, then mix evenly in a high-speed mixer, transfer to a twin-screw extruder to melt and blend at 180-220°C, pressure 60- 80Mpa, the material stays for 2 minutes; the material is discharged, cooled, dried and pelletized after extrusion to obtain the finished product.

Embodiment 3

[0020] Weigh ABS and PMMA raw materials according to the weight ratio of 100:27, add 4 parts of MBS after mixing, then mix evenly in a high-speed mixer, transfer to a twin-screw extruder to melt and blend at 180-220°C, pressure 60- 80Mpa, the material stays for 2 minutes; the material is discharged, cooled, dried and pelletized after extrusion to obtain the finished product.

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Abstract

The present invention is method of raising compatibility between ABS and polymethyl methacrylate (PMMA). The present invention prepares ABS / PMMA alloy with ABS 100 weight portions, PMMA 25-30 weight portions, and MBS 3.8-5 weight portions, and through one smelting, mixing and extruding process. The present invention has simple preparation process and low cost, and the ABS / PMMA alloy with MBS as modifier has raised ABS-PMMA compatibility, homogeneous hardness distribution, raised stretching and bending performance and expanded industrial application range.

Description

technical field [0001] The invention relates to the field of thermoplastic resin compositions in polymer material technology, in particular to a method for improving the compatibility of ABS and polymethyl methacrylate. Background technique [0002] ABS (Acrylonitrile Butadiene Styrene, acrylonitrile-butadiene-styrene copolymer) refers to a terpolymer composed of acrylonitrile, butadiene and styrene. Because ABS has good molding processability, the surface finish of the product is high , and has good paintability and dyeability, can be electroplated into various colors, combined with excellent performance, reasonable price and easy processing and molding, it has become the thermoplastic engineering plastic with the highest output and widest application. It is widely used in the automotive industry, Electrical and electronic industry, light industrial appliances, textiles, construction and other industries. [0003] Due to the low surface hardness of ordinary ABS products co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02B29B7/18B29B9/12C08L33/12
Inventor 周静冯小伟
Owner MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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