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Preparing method of bamboo powder reinforced high density polyethylene material

A technology of high-density polyethylene and polyethylene, applied in the field of plastics, can solve problems such as poor compatibility and poor fluidity of composite materials, and achieve the effects of reduced flow rate, uniform dispersion, and improved impact and tensile properties

Inactive Publication Date: 2016-08-24
林建君
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the poor compatibility between the polar bamboo powder surface and the non-polar matrix also makes the fluidity of the entire composite material poor during processing.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The bamboo powder of embodiment 1 strengthens the preparation method of high-density polyethylene material, comprises the following steps:

[0016] S1: Coupling of bamboo powder, adding bamboo powder into a reactor filled with ethanol, adding aluminate coupling agent into the reactor, ultrasonically oscillating for 30 minutes, and drying in a drying oven at 80°C for 24 hours to obtain a coupling-treated bamboo pink;

[0017] S2: Mix the dried high-density polyethylene with the coupling-treated bamboo powder obtained in S1, add ultra-high molecular weight polyethylene, mix evenly in a high-speed mixer, add it to an open mill for kneading, crush and granulate, and obtain bamboo Powder reinforced high density polyethylene;

[0018] The weight ratio of the high-density polyethylene and the bamboo powder of the coupling treatment is 5:1.

[0019] Among them, the processing conditions of the open mill are: the front roller is 160°C, and the rear roller is 150°C. The inject...

Embodiment 2

[0023] The bamboo powder of embodiment 2 strengthens the preparation method of high-density polyethylene material, comprises the following steps:

[0024] S1: Coupling of bamboo powder, adding bamboo powder into a reactor filled with ethanol, adding aluminate coupling agent into the reactor, ultrasonically oscillating for 40 minutes, and drying in a drying oven at 80°C for 24 hours to obtain the coupling-treated bamboo pink;

[0025] S2: Mix the dried high-density polyethylene with the coupling-treated bamboo powder obtained in S1, add ultra-high molecular weight polyethylene, mix evenly in a high-speed mixer, add it to an open mill for kneading, crush and granulate, and obtain bamboo Powder reinforced high density polyethylene;

[0026] The weight ratio of high-density polyethylene and the bamboo powder of coupling treatment is 10:3.

[0027] Among them, the processing conditions of the mill are: the front roller is 160°C, the rear roller is 150°C, the injection temperature...

Embodiment 3

[0031] The bamboo powder of embodiment 3 strengthens the preparation method of high-density polyethylene material, comprises the following steps:

[0032] S1: Coupling of bamboo powder, adding bamboo powder into a reactor filled with ethanol, adding aluminate coupling agent into the reactor, ultrasonically oscillating for 50 minutes, and drying in a drying oven at 80°C for 24 hours to obtain a coupling-treated bamboo pink;

[0033] S2: Mix the dried high-density polyethylene with the coupling-treated bamboo powder obtained in S1, add ultra-high molecular weight polyethylene, mix evenly in a high-speed mixer, add it to an open mill for kneading, crush and granulate, and obtain bamboo Powder reinforced high density polyethylene;

[0034] The weight ratio of high-density polyethylene and the bamboo powder of coupling treatment is 5:2.

[0035] Among them, the processing conditions of the open mill are: the front roller is 160°C, and the rear roller is 150°C. The injection temp...

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Abstract

The invention discloses a preparing method of a bamboo powder reinforced high density polyethylene material. The preparing method comprises a bamboo powder coupling step and a composite material preparing step. The interaction between bamboo powder obtained after treatment of an aluminate coupling agent and HDPE is enhanced, bamboo powder is evenly dispersed, and impact performance and tensile performance are obviously improved. The section of the composite material is more flat, fine and smooth, and the flowing rate of polymeric material melt is reduced.

Description

technical field [0001] The invention relates to the field of plastics, in particular to a preparation method of bamboo powder reinforced high-density polyethylene material. Background technique [0002] With the increasingly prominent environmental problems, composite materials with environmental compatibility are more and more favored by the market. In recent years, due to abundant resources, low price, low density, and similar modulus and tensile strength to inorganic fibers, natural plant materials also have the characteristics of repeated processing, not easy to absorb water and moisture, and are biodegradable. are getting more and more attention. my country is rich in bamboo resources and is known as the "Kingdom of Bamboo". As a type of plant fiber, bamboo fiber has unique antibacterial, deodorant properties, excellent coloring and wear resistance, and is low in cost and good in plasticity. Bamboo Powder as a plastic reinforcement material is an important development ...

Claims

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Application Information

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IPC IPC(8): B29B9/02B29B7/56B29B7/72C08L23/06C08L97/02C08J5/06
Inventor 林建君
Owner 林建君
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