A kind of ABS/polyester alloy material and its preparation method and application

A technology of polyester alloy and polyester resin, which is applied in the field of ABS/polyester alloy materials and their preparation, can solve problems such as limiting the use range of materials and material cracking, achieve excellent environmental stress cracking resistance, solve water leakage and cracking, Significant technical and market value effects

Active Publication Date: 2021-05-04
辽宁金发科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It is worth noting that the existing technology mainly focuses on the realization of the noise reduction function of the material, but the material is still prone to cracking under the action of solvents, which greatly limits the scope of use of the material

Method used

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  • A kind of ABS/polyester alloy material and its preparation method and application
  • A kind of ABS/polyester alloy material and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-8 and comparative example 1-5

[0046] Mix the components uniformly according to the ratio in Table 1, melt and blend and extrude in a twin-screw extruder, and obtain an ABS / polyester alloy material after underwater pelletizing and drying. The performance test results are shown in Table 2; Among them, the temperature of the first to second zones of the twin-screw extruder is 120°C to 190°C, the temperature of the third to fifth zones is 200°C to 280°C, the temperature of the fifth to tenth zones is 200°C to 240°C, and the screw speed is 350 rpm to 450rpm.

[0047] The notched impact strength is tested according to the ISO 180 standard, and the notch type is type A;

[0048] The tensile strength is tested according to the ISO 527 standard, and the tensile speed is 50 mm / min;

[0049] The bending strength is tested according to the ISO 178 standard, and the bending rate is 2 mm / min;

[0050] Stress cracking time: The test solvent is glacial acetic acid (>99%), and the deflection of the test fixture is 2.54cm;...

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Abstract

The invention discloses an ABS / polyester alloy material and its preparation method and application, comprising components: 50-80 parts of styrene-butadiene-acrylonitrile resin; 10-65 parts of polyester resin; high damping Elastomer: 1.0~15 parts. In the present invention, by introducing polyester and high damping rubber into the ABS system, the prepared ABS / polyester alloy material has excellent environmental stress cracking resistance while having a noise reduction effect, and can replace ABS, HIPS or PC / ABS for Various plastic parts can not only effectively reduce the noise emitted by the parts, but also greatly improve the environmental stress cracking resistance of the parts, and solve the problems of water leakage and cracking caused by this problem, which has significant technical and market value.

Description

technical field [0001] The invention belongs to the field of polymer materials, and in particular relates to an ABS / polyester alloy material and a preparation method and application thereof. Background technique [0002] Plastics are widely used in household appliances, electronic appliances, electric tools and automobiles, etc. However, due to changes in ambient temperature, assembly or stress, the plastic parts themselves will emit unpleasant noises such as "squeaks", which will affect customers' satisfaction. Use experience. At present, in order to solve this problem, common solutions include adding flannelette, rubber or applying grease and other components during the assembly process. Although these methods can play a role in reducing noise to a certain extent, the process is complicated, the labor cost is high, and the effect is difficult to guarantee as time goes by. In addition, with the improvement of people's living standards, plastic parts are often in contact w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L55/02C08L67/02C08L75/04C08L83/04C08K5/134C08K5/526
CPCC08L55/02C08L2205/03C08L67/02C08L75/04C08K5/1345C08K5/526C08L83/04
Inventor 唐磊陈平绪何超雄杜荣华黄宝奎付锦锋肖鹏叶南飚
Owner 辽宁金发科技有限公司
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