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Bamboo fiber reinforced thermoplastic resin composite material and preparation method thereof

A resin composite material and enhanced thermoplastic technology, applied in the field of composite materials, can solve the problems of poor impact resistance, poor rigidity, poor heat resistance, etc., achieve good wear resistance, wear resistance and high temperature resistance, and improve the effect of reinforcement

Inactive Publication Date: 2020-01-03
广东长虹智能制造技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problems of poor heat resistance, poor rigidity and poor impact resistance of bamboo fiber reinforced thermoplastic resin composite materials in the prior art, a kind of bamboo fiber reinforced thermoplastic resin composite material and preparation method thereof are provided

Method used

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  • Bamboo fiber reinforced thermoplastic resin composite material and preparation method thereof

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preparation example Construction

[0054] (1) Preparation of modified bamboo fiber and modified filler: a certain amount of bamboo fiber is dried and then pulverized and sieved; the bamboo fiber after sieving is immersed in alkaline solution, stirred for 20-40 minutes, and left to stand for 36-40 minutes. After 56 hours, suction filter and wash until the lotion is neutral; dry the washed bamboo fiber, then immerse the bamboo fiber in the cyanate acetone solution, heat in a water bath at 55°C to 70°C, and stir for 0.8 to 1.5 hours. Stand still for 20 to 30 hours and then filter with suction. After drying, the bamboo fiber after suction filtration is crushed and dispersed again to prepare modified bamboo fiber for later use; the filler is dispersed in water, and a surfactant is added to the aqueous solution, and stirred for 0.5 to 1.5 Hours later, the modified filler was obtained by suction filtration and drying treatment for subsequent use;

[0055] (2) Mixing: mixing a certain amount of thermoplastic resin, mod...

Embodiment 1

[0062] Bamboo fiber reinforced thermoplastic resin composite material in the present embodiment, by weight, has the following components: 60 parts of thermoplastic resin, 20 parts of modified bamboo fiber, 6 parts of modified filler, 9 parts of toughening agent, compatibilizer 4 parts and 0.3 parts of flow modifier.

[0063] The thermoplastic resin adopts polypropylene with a molecular weight of 3000-5000. The modified filler includes modified calcium carbonate, and the particle size of the modified filler is 200-500nm. The toughening agent is an acrylate copolymer with the organosiloxane-acrylate composite rubber phase as the core and the methyl methacrylate-glycidyl methacrylate copolymer as the shell. The combination of acrylate and organosiloxane The weight ratio is 2:1, and the average particle size of the toughening agent is 250-350nm. The compatibilizer is maleic anhydride grafted ethylene-octene copolymer. Flow modifiers include N,N'-ethylene bis stearamide.

[006...

Embodiment 2

[0070] The bamboo fiber reinforced thermoplastic resin composite material in the present embodiment, by weight, has the following components: 45 parts of thermoplastic resin, 10 parts of modified bamboo fiber, 4 parts of modified filler, 6 parts of toughening agent, compatibilizer 2 parts and 0.1 part of flow modifier.

[0071] The thermoplastic resin includes polyethylene, polypropylene, polyvinyl chloride, polystyrene and acrylonitrile-styrene-butadiene, and the mass ratio of its components is 1:1:1:1:1. The molecular weight of polyethylene is 200,000-600,000, the molecular weight of polypropylene is 3,000-5,000, the molecular weight of polyvinyl chloride is 50,000-110,000, the molecular weight of polystyrene is 180,000-220,000, acrylonitrile-styrene-butadiene The molecular weight of the copolymer is 150,000 to 300,000. The modified filler includes modified calcium carbonate and modified silica, the mass ratio of the components is 1:1, and the particle size of the modified ...

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Abstract

The invention relates to the technical field of composite materials, and discloses a bamboo fiber reinforced thermoplastic resin composite material. The bamboo fiber reinforced thermoplastic resin composite material comprises the following components in parts by weight: 45-75 parts of thermoplastic resin, 10-30 parts of modified bamboo fiber, 4-8 parts of a modified filler, 6-12 parts of a flexibilizer, 2-5 parts of a compatilizer and 0.1-1 part of a flow modifier, wherein the modified filler is one or two selected from the group consisting of modified silicon dioxide and modified calcium carbonate. The invention further discloses a preparation method of the bamboo fiber reinforced thermoplastic resin composite material. Therefore, the compatibility among the main components of the composite material is improved, and the mechanical property of the composite material is improved.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a bamboo fiber reinforced thermoplastic resin composite material and a preparation method thereof. Background technique [0002] With the acceleration of urbanization and industrialization, my country's consumption of non-renewable resources such as petroleum, coal and metal mineral resources has increased sharply, and the price of raw materials has continued to rise. The performance advantages of plastics in various aspects make it more and more widely used. However, due to the non-degradability of most plastics, the durable and non-perishable plastic waste continues to increase. The "white revolution" that was once proud of has become the "white waste" that humans are troubled by. In addition, while people's demand for materials continues to increase, the requirements for the performance and quality of materials in various aspects of industrial production are also co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08L27/06C08L25/06C08L55/02C08L51/04C08L51/06C08L97/02C08K9/04C08K3/26C08K3/36
CPCC08K2003/265C08L23/06C08L23/12C08L25/06C08L27/06C08L55/02C08L2201/08C08L2205/035C08L2205/08C08L2205/16C08L51/04C08L51/06C08L97/02C08K9/04C08K3/26C08K3/36
Inventor 张泉伟周刚安佳兴杜岩岩蒲春华
Owner 广东长虹智能制造技术有限公司
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