A kind of preparation method of low temperature resistant modified plastic

A technology of low temperature resistance and modification, which is applied in the field of plastics to achieve the effects of maintaining life and function, enhancing low temperature resistance, and improving low temperature impact resistance

Active Publication Date: 2019-03-19
东莞国立高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a method for preparing low temperature resistant modified plastics, which solves the above-mentioned shortcomings of existing modified plastics. The low temperature resistant modified plastics obtained in the invention still have high toughness and wear resistance when used in severe cold conditions , and impact resistance, and excellent flame retardant properties

Method used

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  • A kind of preparation method of low temperature resistant modified plastic
  • A kind of preparation method of low temperature resistant modified plastic
  • A kind of preparation method of low temperature resistant modified plastic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The polyethylene resin, ABS resin, and polystyrene resin are uniformly mixed according to a mass ratio of 8:3:1 to obtain a mixture. 2.5% of the mass of the mixture is added with a compatibilizer, melt blended at 215°C, and then extruded and granulated. A resin material blend is obtained.

[0025] The ABS resin is an ABS resin with a viscosity average molecular weight of 90,000 to 130,000 prepared by a bulk polymerization method, the content of rubber formed by butadiene in the ABS resin is 7 wt.%, and the content of segment formed by acrylonitrile is 8 wt.% , The rest are segments formed by styrene, and the number average particle size of the rubber formed by butadiene in the ABS resin is 100-150 nm.

[0026] Ingredients in parts by weight as follows:

[0027]

[0028] Before use, the nano-tin antimony oxide is processed according to the following process: place the nano-tin antimony oxide in a 40KHz ultrasonic cleaner, and use absolute ethanol to sonicate for 30 minutes; af...

Embodiment 2

[0035] The polyethylene resin, ABS resin, and polystyrene resin are uniformly mixed according to a mass ratio of 9:2:3 to obtain a mixture, and 3% of the mass of the mixture is added with a compatibilizer, melt blended at 215-230°C and then extruded. Pellets to obtain a resin material blend.

[0036] The ABS resin is an ABS resin with a viscosity average molecular weight of 90,000 to 130,000 prepared by a bulk polymerization method, the content of rubber formed by butadiene in the ABS resin is 12 wt.%, and the content of segment formed by acrylonitrile is 15 wt.% , The rest are segments formed by styrene, and the number average particle size of the rubber formed by butadiene in the ABS resin is 100-150 nm.

[0037] Ingredients in parts by weight as follows:

[0038]

[0039]

[0040] Before use, the nano-tin antimony oxide is processed according to the following process: place the nano-tin antimony oxide in a 45KHz ultrasonic cleaner, and use absolute ethanol to sonicate for 40 minu...

Embodiment 3

[0047] The polyethylene resin, ABS resin, and polystyrene resin are uniformly mixed according to a mass ratio of 10:6:3 to obtain a mixture. 4% of the mass of the mixture is added with a compatibilizer, melt blended at 230°C, and then extruded and granulated. A resin material blend is obtained.

[0048] The ABS resin is an ABS resin with a viscosity average molecular weight of 90,000 to 130,000 prepared by a bulk polymerization method. The content of rubber formed by butadiene in the ABS resin is 15 wt.%, and the content of segments formed by acrylonitrile is 25 wt.%. , The rest are segments formed by styrene, and the number average particle size of the rubber formed by butadiene in the ABS resin is 100-150 nm.

[0049] Ingredients in parts by weight as follows:

[0050]

[0051] Before use, the nano-tin antimony oxide is processed according to the following process: place the nano-tin antimony oxide in a 50KHz ultrasonic cleaning instrument, and use absolute ethanol to sonicate for...

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Abstract

The invention discloses a preparation method of low-temperature-resistant modified plastics. The low-temperature-resistant modified plastics are prepared from the following components: a resin material copolymer consisting of polyethylene resin, ABS resin and polystyrene resin, a composite flame-retardant system, nano tin-antimony oxide, antioxidant, flexibilizer, an antimicrobial agent, an anti-fracturing agent and a weather resistant agent. A macromolecular mixture is obtained by blending acrylate resin, urea resin and polycaprolactone. The low-temperature-resistant modified plastics prepared by the invention still have high flexibility, abrasion resistance and shock resistance and excellent flame retardant performance when used in an extremely cold situation.

Description

Technical field [0001] The invention relates to the technical field of plastics, in particular to a method for preparing low-temperature resistant modified plastics. Background technique [0002] Plastic (Plastic) refers to the high molecular weight synthetic resin as the main component, adding appropriate additives, such as plasticizers, stabilizers, flame retardants, antibacterial agents, coloring agents, etc., processed and molded plastic (flexibility) Materials, or rigid materials formed by curing and crosslinking. As plastics are used more and more widely, there are more and more types of plastic products. Due to the properties of plastics, such as light weight, excellent chemical stability and electrical insulation, and poor thermal conductors, the application fields and regions of plastics are becoming wider and wider. The plastic products currently used have a relatively narrow operating temperature range, and their use in areas with large temperature differences is res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L55/02C08L25/06C08L53/02C08L33/12C08K13/06C08K3/22C08K5/521C08K5/18C08K3/26B29C48/92
CPCB29C48/92B29C2948/9259B29C2948/92704C08K2201/011C08K2201/014C08L23/06C08L2201/02C08L2205/035C08L2205/08C08L55/02C08L25/06C08L53/025C08L33/12C08K13/06C08K3/2279C08K2003/2296C08K5/521C08K5/18C08K2003/2248C08K2003/262
Inventor 乔志龙罗文平
Owner 东莞国立高分子材料有限公司
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