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High-glossiness anti-scraping rapidly-formed polyolefin material

A polyolefin and scratch-resistant technology, applied in the polymer field, can solve the problems of increased cost and long molding cycle, and achieve the effect of improving scratch resistance, improving surface hardness and shortening molding cycle.

Active Publication Date: 2016-04-06
SHANGHAI KINGFA SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the injection molding process of small home appliance parts, since polyolefin materials such as polypropylene are crystalline materials, in order to ensure the stability of the final product molding size, the molding cycle is generally longer, resulting in problems such as increased costs

Method used

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  • High-glossiness anti-scraping rapidly-formed polyolefin material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-4

[0047] After the above components are fully mixed in a high-speed mixer, they are extruded and granulated by a twin-screw extruder to obtain the product. The obtained products are subjected to relevant experimental tests, the tensile test is tested according to GB / T1040, the notched impact is tested according to GB / T1843, and the ball pressure temperature is tested according to GB / T5169.21. The test results are shown in the table below:

[0048]

[0049]

Embodiment 5-8

[0052] After the above components are fully mixed in a high-speed mixer, they are extruded and granulated by a twin-screw extruder to obtain the product. The obtained products are subjected to relevant experimental tests, the tensile test is tested according to GB / T1040, the notched impact is tested according to GB / T1843, and the ball pressure temperature is tested according to GB / T5169.21. The test results are shown in the table below:

[0053]

Embodiment 9-12

[0055]

[0056]

[0057] After the above components are fully mixed in a high-speed mixer, they are extruded and granulated by a twin-screw extruder to obtain the product. The obtained products are subjected to relevant experimental tests, the tensile test is tested according to GB / T1040, the notched impact is tested according to GB / T1843, and the ball pressure temperature is tested according to GB / T5169.21. The test results are shown in the table below:

[0058] project

[0059] It can be seen from the above examples that when the amount of masterbatch is greater than or equal to 50%, the molding cycle can be shortened by more than 20%. It also contains a heat conducting agent, which can accelerate heat loss and shorten cooling time. Due to the synergistic effect of the two, the molding cycle is shortened. Since the material itself does not require high thermal conductivity, the amount of thermally conductive filler does not need to be added. The Rockwell h...

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PUM

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Abstract

The invention discloses a high-glossiness anti-scraping rapidly-formed polyolefin material which comprises, by weight parts, 20-90 parts of polyolefin A, 0-50 parts of packing, 0.1-1 part of antioxidant, 0-1 part of nucleating agent, 0.1-1 part of lubricant and10-80 parts of master batch. The master batch is formed by performing extrusion pelletization on, by weight parts, 10-90 parts of polyolefin B, 1-10 parts of nucleating agent, 10-90 parts of heat conducting agent and 10-90 parts of packing. The high-glossiness anti-scraping rapidly-formed polyolefin material has the advantages of being high in glossiness, resistant to scraping and short in molding cycle.

Description

technical field [0001] The invention relates to the field of macromolecules, in particular to a high-gloss and scratch-resistant rapid-forming polyolefin material. Background technique [0002] Polypropylene (PP) is one of the most rapidly developing plastic varieties in the plastic industry. It has the advantages of good mechanical properties, light specific gravity, non-toxic, easy processing, corrosion resistance, etc., and has a wide source of raw materials and low prices. It is widely used in household appliances, Widely used in automotive and packaging fields. At present, the competition in the field of polypropylene is very fierce, and it is necessary to find ways to reduce costs. [0003] In the field of home appliance applications, polyolefin products, especially polypropylene (PP), are widely used, but pure PP resins still have shortcomings such as insufficient heat resistance, large dimensional shrinkage, long molding cycle, and low strength in specific applicati...

Claims

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Application Information

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IPC IPC(8): C08L23/14C08L23/12C08L23/08C08L23/20C08L23/06C08K13/02C08K5/523C08K3/30C08K3/34C08K5/098
CPCC08K2201/003C08K2201/011C08L23/12C08L23/14C08L23/20C08L2205/025C08L2205/035C08L2207/062C08L23/0815C08K13/02C08K5/523C08K2003/3045C08K3/34C08K5/098C08L23/06
Inventor 王亚南
Owner SHANGHAI KINGFA SCI & TECH
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