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Low-density modified plastic and preparation method thereof

A low-density, modified technology, applied in the field of modified plastics and its preparation, can solve the problems of low density of modified plastics, and achieve the effects of reduced structural density, high structural strength, and stable structural and chemical properties

Inactive Publication Date: 2016-12-07
WUHU TIANXIONG NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the existing modified plastics do not have the characteristics of low density, high structural strength, and stable structural and chemical properties.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A modified plastic with low density, made of the following raw materials in proportion by weight: 35 parts of urea-formaldehyde, 8 parts of phenolic formaldehyde, 25 parts of linear low-density polyethylene, 15 parts of styrene-acrylonitrile copolymer, polyparaffin 13 parts of butyl phthalate, 6 parts of polyoxymethylene resin, 6 parts of sodium silicate, 14 parts of silicon carbide, 7 parts of carbon black, 4 parts of trichlorofluoromethane, 20 parts of petroleum ether, fatty alcohol polyoxyethylene ether sulfuric acid 2 parts sodium, 12 parts azodicarbonamide, 4 parts palm oil, 3 parts di-n-octyl phthalate, 5 parts di-isodecyl phthalate and 1 part phthalate.

[0022] A preparation method of a modified plastic with low density, comprising the following steps:

[0023] 1) Mix 35 parts of urea-formaldehyde, 8 parts of phenolic formaldehyde, 25 parts of linear low-density polyethylene, 15 parts of styrene-acrylonitrile copolymer, 13 parts of polybutylene terephthalate, 6 ...

Embodiment 2

[0030] A modified plastic with low density, made of the following raw materials in proportion by weight: 37.5 parts of polyurea formaldehyde, 9 parts of phenolic formaldehyde, 27.5 parts of linear low density polyethylene, 17.5 parts of styrene-acrylonitrile copolymer, polyurea 15.5 parts of butyl terephthalate, 7.5 parts of polyoxymethylene resin, 8 parts of sodium silicate, 16 parts of silicon carbide, 8.5 parts of carbon black, 6.5 parts of trichlorofluoromethane, 27.5 parts of petroleum ether, fatty alcohol polyoxyethylene ether 3.5 parts of sodium sulfate, 15 parts of azodicarbonamide, 6 parts of palm oil, 5.5 parts of di-n-octyl phthalate, 6 parts of diisodecyl phthalate and 2.5 parts of phthalates.

[0031] A preparation method of a modified plastic with low density, comprising the following steps:

[0032] 1) 37.5 parts of polyurea formaldehyde, 9 parts of phenolic formaldehyde, 27.5 parts of linear low density polyethylene, 17.5 parts of styrene-acrylonitrile copolyme...

Embodiment 3

[0039] A modified plastic with low density, made of the following raw materials in proportion by weight: 40 parts of urea-formaldehyde, 10 parts of phenolic formaldehyde, 30 parts of linear low-density polyethylene, 20 parts of styrene-acrylonitrile copolymer, polyparaffin 18 parts of butyl phthalate, 9 parts of polyoxymethylene resin, 10 parts of sodium silicate, 18 parts of silicon carbide, 10 parts of carbon black, 9 parts of trichlorofluoromethane, 35 parts of petroleum ether, fatty alcohol polyoxyethylene ether sulfuric acid Sodium 5 parts, azodicarbonamide 18 parts, palm oil 8 parts, di-n-octyl phthalate 8 parts, di-isodecyl phthalate 7 parts and phthalates 4 parts.

[0040] A preparation method of a modified plastic with low density, comprising the following steps:

[0041] 1) Mix 40 parts of urea formaldehyde, 10 parts of phenolic formaldehyde, 30 parts of linear low density polyethylene, 20 parts of styrene-acrylonitrile copolymer, 18 parts of polybutylene terephthalate...

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PUM

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Abstract

The invention discloses a low-density modified plastic which is prepared from the following raw materials in parts by weight: 35-40 parts of urea formaldehyde, 8-10 parts of phenol formaldehyde, 25-30 parts of linear low density polyethylene, 15-20 parts of styrene-acrylonitrile copolymer, 13-18 parts of butyl polyterephthalate, 6-9 parts of polyoxymethylene resin, 6-10 parts of sodium silicate, 14-18 parts of silicon carbide, 7-10 parts of carbon black, 4-9 parts of trichlorofluoromethane, 20-35 parts of petroleum ether, 2-5 parts of polyoxyethylene fatty alcohol sodium sulfate, 12-18 parts of azobisformamide, 4-8 parts of palm oil, 3-8 parts of di-n-octyl phthalate, 5-7 parts of diisodecyl phthalate and 1-4 parts of phthalate. The low-density modified plastic has the characteristics of low density, high structural strength and stable structural chemical properties.

Description

technical field [0001] The invention relates to a modified plastic with low density and a preparation method thereof. Background technique [0002] Modified plastics refer to plastic products that are processed and modified on the basis of general-purpose plastics and engineering plastics through filling, blending, reinforcement, etc., and have improved properties such as flame retardancy, strength, impact resistance, and toughness. [0003] Glass fiber reinforced PA was studied in the 1950s, but it was industrialized in the 1970s. Since DuPont in the United States developed super-tough PA66 in 1976, major companies have developed new modified PA products. The United States, Western Europe, Japan, the Netherlands, and Italy have vigorously developed reinforced PA, flame-retardant PA, and filled PA, and a large number of modified PAs have been put on the market. As the largest and most important variety of engineering plastics, PA has strong vitality, mainly because it achie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/24C08L61/06C08L23/08C08L25/12C08L67/02C08L59/00C08L71/02C08L91/00C08K13/02C08K3/34C08K3/04C08K5/12C08J9/10C08J9/14
CPCC08L61/24C08J9/103C08J9/147C08J2203/04C08J2203/144C08J2203/184C08J2361/24C08J2461/06C08K2201/014C08L2203/14C08L2205/02C08L2205/035C08L61/06C08L23/0815C08L25/12C08L67/02C08L59/00C08L71/02C08L91/00C08K13/02C08K3/34C08K3/04C08K5/12
Inventor 黄雄关
Owner WUHU TIANXIONG NEW MATERIAL TECH