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Low-odor high-tenacity polyformaldehyde material and preparation method thereof

A polyoxymethylene material and a high-toughness technology, applied in high-toughness polyoxymethylene material and its preparation, low-odor field, can solve the problems of low-odor and high-toughness polyoxymethylene material, achieve obvious deodorization effect, improve low-temperature impact performance, odor reducing effect

Inactive Publication Date: 2013-04-24
SHANGHAI PRET COMPOSITES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There have been some reports on reducing the odor of polyoxymethylene materials, but there are few studies on low-odor and high-toughness polyoxymethylene materials

Method used

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  • Low-odor high-tenacity polyformaldehyde material and preparation method thereof
  • Low-odor high-tenacity polyformaldehyde material and preparation method thereof

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Embodiment Construction

[0026] Below in conjunction with embodiment, the present invention is described in further detail:

[0027] In the material formula of embodiment and comparative example, polyoxymethylene is produced by Dupont 100P BK602. The toughening agent thermoplastic polyurethane used is TPU 685A produced by BASF. The main antioxidant is tetrakis [β-(3,5-di-tert-butyl 4-hydroxyphenyl) propionate] pentaerythritol ester, produced by Ciba Company, the trade name is Irganox 1010, and the auxiliary antioxidant is three (2,4-di-tert-butylphenyl) phosphite, produced by Ciba Company, trade mark is Irganox 168. Diatomite is a powder product produced by Linjiang Meishidun Powder Material Co., Ltd., the trade name is diatomite, the particle size is 6-8μm, and the bulk density is 0.34-0.65g / ml. Zeolite is a powder product produced by Shanghai Zeolite Molecular Sieve Co., Ltd., with a trade name of 5A molecular sieve, a particle size of 2-4 μm, and a bulk density of 0.43-0.50 g / ml. Magnesium oxi...

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Abstract

The invention discloses low-odor high-tenacity polyformaldehyde material and a preparation method thereof. The low-odor high-tenacity polyformaldehyde material is composed of the following raw materials by weight, polyformaldehyde 83-94%, flexibilizer 5-11%, antioxygen 0.1-2%, odor inhibitor 0.5-5% and color toner or color master batch 0-2%. The low-odor high-tenacity polyformaldehyde material has the advantages that the flexibilizer and the odor inhibitor are adopted, odor of the polyformaldehyde is effectively lowered, a low-temperature impact property is effectively improved, the odor inhibitor is simple and easy to get and capable of effectively adsorbing a plurality of volatile components, accordingly obvious effect of absorbing odors is achieved, the preparation method of the low-odor high-tenacity polyformaldehyde material is simple in preparation process and low in production cost.

Description

technical field [0001] The invention relates to a low-odor, high-toughness polyoxymethylene material and a preparation method thereof, belonging to the technical field of polymer modification and processing. Background technique [0002] Polyoxymethylene has the same specific strength and specific stiffness as metals, good electrical properties, wear resistance and mechanical properties. It is an ideal engineering plastic used to replace copper, aluminum, zinc and other non-ferrous metals and their alloy products. It is widely used in automobiles Industrial, instrumentation, electrical and electronic and many other fields. However, the poor toughness and low notched impact strength of POM limit its application. With the continuous enhancement of consumers' awareness of environmental protection and health, volatile harmful substances in cars have attracted people's attention, which is directly reflected in the perception of smell. Studies have shown that there are many sourc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L59/02C08L59/04C08L75/04C08K13/02C08K3/34C08K3/22B29B9/06B29C47/92B29C48/92
Inventor 高翔张鹰张祥福周文
Owner SHANGHAI PRET COMPOSITES
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