Polyoxymethylene alloy having shape memory and low melting point temperature and processing technology thereof

A polyoxymethylene, low melting point technology, applied in the field of polyoxymethylene alloy and its processing technology, can solve the problems of high price and difficult to widely use of low-temperature thermoplastic material products, and achieve low cost, fast shaping, and expanded use range. Effect

Inactive Publication Date: 2009-11-18
HEILONGJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The low-temperature thermoplastic material products currently on the market are basically made of polycaprolactone as the main raw material, and then added auxiliary materials. The content of polycaprolactone is more than 90%. Due to the high price of polycaprolactone, about 8 USD / kg, which makes it difficult for low-temperature thermoplastic material products to be widely used

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A polyoxymethylene alloy with shape memory and low melting point temperature, which comprises: polyoxymethylene, shape memory polyurethane, acrylonitrile / butadiene / styrene copolymer and compatibilizer, and its weight ratio is polyoxymethylene 40-75 20-50 parts of shape memory polyurethane, 10-35 parts of acrylonitrile / butadiene / styrene copolymer, 5-10 parts of compatibilizer, the compatibilizer is acrylonitrile / butadiene / styrene Copolymer grafted with maleic anhydride.

Embodiment 2

[0016] The processing technology of polyoxymethylene alloy with shape memory and low melting point temperature, polyoxymethylene, shape memory polyurethane, acrylonitrile / butadiene / styrene copolymer and compatibilizer are placed in the mixer according to the above weight and number ratio Mix well, and then put it into the extrusion granulator to granulate.

Embodiment 3

[0018] A polyoxymethylene alloy with shape memory and low melting point temperature, comprising: polyoxymethylene, shape memory polyurethane, acrylonitrile / butadiene / styrene copolymer and compatibilizer, the ratio of parts by weight is 50 parts of polyoxymethylene, 30 parts of shape memory polyurethane, 15 parts of acrylonitrile / butadiene / styrene copolymer, 5 parts of compatibilizer. The compatibilizer is acrylonitrile / butadiene / styrene copolymer grafted maleic anhydride.

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PUM

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Abstract

The invention relates to a polyoxymethylene alloy having shape memory and low melting point temperature and a processing technology thereof. Low-temperature thermoplastic material products on the markets basically use polycaprolactone as the main raw material, are expense in price and difficult to widely apply. The polyoxymethylene alloy having shape memory and low melting point temperature comprises the components by weight : 40-75 parts of polyoxymethylene, 20-50 parts of shape memory polyurethane, 10-35 parts of acrylonitrile/butadiene/styrene copolymer and 5-10 parts of compatibilizer. The invention can substitute a traditional plaster bandage to be used medically.

Description

Technical field: [0001] The invention belongs to the field of organic polymers, and in particular relates to a polyoxymethylene alloy with shape memory and low melting temperature and a processing technology thereof. Background technique: [0002] The low-temperature thermoplastic material products currently on the market are basically made of polycaprolactone as the main raw material, and then added auxiliary materials. The content of polycaprolactone is more than 90%. Due to the high price of polycaprolactone, about 8 US dollars / kg, resulting in low-temperature thermoplastic material products are difficult to widely use. Invention content: [0003] The object of the present invention is to provide a polyoxymethylene alloy with shape memory and low melting point temperature and its processing technology, which is prepared by blending modification and has low cost. [0004] Above-mentioned purpose realizes by following technical scheme: [0005] A polyoxymethylene alloy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L59/02C08L75/04C08L55/02C08L51/06
Inventor 谢刚
Owner HEILONGJIANG UNIV
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