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Bamboo fiber-reinforced material and preparation method therefor

A reinforcement material and bamboo fiber technology, applied in the field of composite materials, can solve the problems of bamboo fiber being easily corroded and degraded by bacteria, low antibacterial efficiency, and waste of resources, so as to improve the sterilization ability and effective sterilization time, reduce raw material cost, mechanical The effect of performance improvement

Inactive Publication Date: 2016-02-03
SHANGHAI ZHENTUO IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bamboo fiber reinforced polyethylene material has good wear resistance, aging resistance and strong impact resistance, but it also has the defect that bamboo fiber is easily corroded and degraded by bacteria
[0004] In terms of antibacterial materials, although silver ion antibacterial agents have good antibacterial effects, their prices are relatively high, and their antibacterial efficiency during use is relatively low.
Moreover, after metallic silver is dispersed into plastic materials, it is difficult to recycle later, which is a great waste of resources

Method used

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  • Bamboo fiber-reinforced material and preparation method therefor
  • Bamboo fiber-reinforced material and preparation method therefor
  • Bamboo fiber-reinforced material and preparation method therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A kind of bamboo fiber reinforced material is prepared according to the following method:

[0039] (1) 100 parts of polypropylene are weighed by weight; 20 parts of bamboo fiber; 5 parts of toughening agent; 2 parts of compatibilizer; 0.5 part of organic antibacterial agent; 5 parts of inorganic antibacterial agent; 0.4 part of coupling agent; 3 parts of anti-oxidant; 0.5 part of antioxidant;

[0040] Wherein, described bamboo fiber is made by following method: first cut bamboo along the growth direction of bamboo into elongated bamboo slices, then use press machine to roll bamboo slices, and grind along the transverse direction of bamboo fibers, make bamboo fibers unfold Evenly dispersed, dried and screened through a sieve to obtain the bamboo fiber;

[0041] The prepared bamboo fiber has a diameter of 200um to 500um, an aspect ratio of 1: (10 to 50), has been dried before use, and has a moisture content of less than 0.05%.

[0042] The toughening agent is ethylene-p...

Embodiment 2

[0047] A kind of bamboo fiber reinforced material is prepared according to the following method:

[0048] (1) 100 parts of polypropylene are weighed by weight; 40 parts of bamboo fiber; 10 parts of toughening agent; 8 parts of compatibilizer; 5 parts of organic antibacterial agent; 20 parts of inorganic antibacterial agent; 2.5 parts of coupling agent; 8 parts of anti-oxidant; 2 parts of antioxidant;

[0049] Wherein, described bamboo fiber is made by following method: first cut bamboo along the growth direction of bamboo into elongated bamboo slices, then use press machine to roll bamboo slices, and grind along the transverse direction of bamboo fibers, make bamboo fibers unfold Evenly dispersed, dried and screened through a sieve to obtain the bamboo fiber;

[0050] The prepared bamboo fiber has a diameter of 200um to 500um, an aspect ratio of 1:50 to 100, and has been dried before use, with a moisture content of less than 0.05%.

[0051] The toughening agent is EPDM rubbe...

Embodiment 3

[0056] A kind of bamboo fiber reinforced material is prepared according to the following method:

[0057] (1) 100 parts of polypropylene are weighed by weight; 30 parts of bamboo fiber; 8 parts of toughening agent; 5 parts of compatibilizer; 3 parts of organic antibacterial agent; 12 parts of inorganic antibacterial agent; 2.2 parts of coupling agent; 5 parts of anti-oxidant; 1.5 parts of antioxidant;

[0058] Wherein, described bamboo fiber is made by following method: first cut bamboo along the growth direction of bamboo into elongated bamboo slices, then use press machine to roll bamboo slices, and grind along the transverse direction of bamboo fibers, make bamboo fibers unfold Evenly dispersed, dried and screened through a sieve to obtain the bamboo fiber;

[0059] The prepared bamboo fiber has a diameter of 500um to 1000um and an aspect ratio of 1:50 to 100. It has been dried before use and has a moisture content of less than 0.05%.

[0060] The toughening agent is ethy...

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Abstract

The present invention relates to a bamboo fiber-reinforced material and a preparation method therefor. The bamboo fiber-reinforced material is prepared from the following components in parts by weight: 100 parts of polypropylene, 20-40 parts of bamboo fiber, 5-10 parts of a flexibilizer, 2-8 parts of a compatibilizer, 0.5-5 parts of an organic antibacterial agent, 5-20 parts of an inorganic antibacterial agent; 0.4-2.5 parts of coupling agent, 3-8 parts of a plasticizer, and 0.5-2 parts of an antioxidant. The bamboo fiber-reinforced material provided by the present invention uses the bamboo fiber that is high in an aspect ratio and has a certain antibacterial action as a reinforcing material. The bamboo fiber is matched with the inorganic antibacterial agent, the organic antibacterial agent, the plasticizer and other auxiliaries, so that the mechanical property of the bamboo fiber-reinforced material is improved, and simultaneously the material has a relatively good antibacterial property. The bamboo fiber-reinforced material provided by the present invention solves the problem that bamboo fiber-reinforced plastic is easily eroded and degraded by bacteria during long-term use, and the prepared bamboo fiber-reinforced material is relatively high in mechanical strength and antibacterial property.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a bamboo fiber reinforced material and a preparation method thereof. Background technique [0002] Wood-plastic materials can use wood instead of some plastics, thus saving precious oil resources. But for wood-plastic materials, the fiber strength of wood fibers is low. Usually, when the amount of wood fibers added increases, the mechanical properties of wood-plastic materials will drop sharply. Bamboo fiber is a kind of cellulose fiber extracted from naturally growing bamboo, which has better tensile strength than ordinary wood cellulose. [0003] Existing wood-plastic materials, including bamboo fiber-reinforced plastic materials, generally contain lignocellulose or bamboo fiber, which is easily corroded and degraded by bacteria under the condition of long-term use, thereby affecting the overall mechanical properties and service life of the material. Chinese pat...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L97/02C08L23/16C08L51/06C08L25/08C08K13/06C08K5/19C08K3/22C08K3/36C08K7/00C08K3/34C08K3/04
Inventor 万春霞
Owner SHANGHAI ZHENTUO IND CO LTD
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