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-pola

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0014] Example 1

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

[0016] S1: Bamboo powder coupling, adding bamboo powder to a reactor filled with ethanol, adding aluminate coupling agent to the reactor, ultrasonic vibration for 30 minutes, drying in a drying oven at 80°C for 24 hours, to obtain a coupled bamboo powder;

[0017] S2: Mix the dry high-density polyethylene and the coupled bamboo powder obtained from S1, add ultra-high molecular weight polyethylene, mix evenly in a high-speed mixer, add to the open mill for smelting, crushing and granulating to obtain bamboo Powder reinforced high-density polyethylene;

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

[0019] Among them, the processing conditions of the open mill are: 160°C for the front roll and 150°C for the back roll. The injection temperature of the injection machine is 160℃, a...

Example Embodiment

[0022] Example 2

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

[0024] S1: Bamboo powder coupling, adding bamboo powder to a reactor filled with ethanol, adding aluminate coupling agent to the reactor, ultrasonic vibration for 40 minutes, drying in a drying oven at 80°C for 24 hours, to obtain coupled bamboo powder;

[0025] S2: Mix the dry high-density polyethylene and the coupled bamboo powder obtained from S1, add ultra-high molecular weight polyethylene, mix evenly in a high-speed mixer, add to the open mill for smelting, crushing and granulating to obtain bamboo Powder reinforced high-density polyethylene;

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

[0027] Among them, the processing conditions of the open mill are: the front roller is 160°C, the rear roller is 150°C, the injection temperature of the injection machine is 165°C, and...

Example Embodiment

[0030] Example 3

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

[0032] S1: Bamboo powder coupling, adding bamboo powder to a reactor filled with ethanol, adding aluminate coupling agent to the reactor, ultrasonic vibration for 50 minutes, drying in a drying oven at 80°C for 24 hours, to obtain a coupled bamboo powder;

[0033] S2: Mix the dry high-density polyethylene and the coupled bamboo powder obtained from S1, add ultra-high molecular weight polyethylene, mix evenly in a high-speed mixer, add to the open mill for smelting, crushing and granulating to obtain bamboo Powder reinforced high-density polyethylene;

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

[0035] Among them, the processing conditions of the open mill are: 160°C for the front roll and 150°C for the back roll. The injection temperature of the injection machine is 170℃, a...

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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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