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A kind of ecological environment-friendly material and preparation method thereof

An environmentally friendly material and ecological technology, which is applied in the field of wood instead of plastic, can solve the problems of low plant fiber content, low strength, and large specificity, and achieve high social and economic benefits.

Active Publication Date: 2018-04-17
HUNAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of existing wood-plastic composite materials such as low strength, brittleness, high specific gravity, and low plant fiber content, and fully utilize the biological fermentation method to process the fibers of fruits and vegetables, and then use low-density polyethylene (LDPE) ) as the main composite material, set a reasonable formula, combine the principles of biology, chemistry, physics and other methods, adopt appropriate process steps and parameters, and obtain a high-performance biomass composite material by screw extrusion granulation. Various products can be formed by injection molding, extrusion, molding, machining and other methods, widely used in packaging, electronics, communications, furniture, decoration, automobiles, aircraft, military industry and other fields, replacing plastics and logs and other materials, with good social and economic benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] (1) Take 100 parts (mass parts) of melon, fruit and vegetable fiber with a water content of 14%, 150 parts of undiluted biogas slurry, 250 parts of water, and 4 parts of straw starter, stir them evenly in the reactor, seal it, and keep Atmospheric pressure, temperature 35°C, let stand for 48 hours, then take out the vegetable fibers, dry the water at 90°C, keep the moisture content at 5-12%, then pulverize in a pulverizer, sieve to make the particle size 40 mesh ,stand-by.

[0014] (5) Take 100 parts of the fiber obtained in (1), 5 parts of titanate coupling agent, 5 parts of polytetrafluoroethylene powder, 4 parts of white sugar, and 8 parts of 1100-mesh silica, and blend them in a high-speed mixer for 20 minutes stand-by.

[0015] (2) Take 80 parts of fibers treated in step (2), 20 parts of low-density polyethylene, 8 parts of paraffin, and 5 parts of dibutyltin dilaurate, and blend them in a high-speed mixer for 20 minutes, and set aside.

[0016] (3) Take 100 part...

Embodiment 2

[0022] (1) Take 100 parts (mass parts) of melon, fruit and vegetable fiber with a water content of 14%, 150 parts of undiluted biogas slurry, 250 parts of water, and 4 parts of straw starter, stir them evenly in the reactor, seal it, and keep Atmospheric pressure, temperature 35°C, let stand for 48 hours, then take out the vegetable fibers, dry the water at 90°C, keep the moisture content at 5-12%, then pulverize in a pulverizer, sieve to make the particle size 40 mesh ,stand-by.

[0023] (2) Take 100 parts of the fiber obtained in (1), 3 parts of titanate coupling agent, 4 parts of polytetrafluoroethylene powder, 3 parts of white sugar, and 5 parts of 1100-mesh silica, and blend them in a high-speed mixer for 20 minutes stand-by.

[0024] (3) Take 70 parts of fiber treated in step (2), 30 parts of low-density polyethylene, 5 parts of paraffin, and 3 parts of dibutyltin dilaurate, and blend them in a high-speed mixer for 20 minutes, then set aside.

[0025] (4) Extrude and g...

Embodiment 3

[0029] (1) Take 100 parts (mass parts) of melon, fruit and vegetable fiber with a water content of 14%, 150 parts of undiluted biogas slurry, 250 parts of water, and 4 parts of straw starter, stir them evenly in the reactor, seal it, and keep Atmospheric pressure, temperature 35°C, let stand for 48 hours, then take out the vegetable fibers, dry the water at 90°C, keep the moisture content at 5-12%, then pulverize in a pulverizer, sieve to make the particle size 40 mesh ,stand-by.

[0030] (2) Take 100 parts of the fiber obtained in (1), 5 parts of titanate coupling agent, 5 parts of polytetrafluoroethylene powder, 4 parts of white sugar, and 8 parts of 1100-mesh silica, and blend them in a high-speed mixer for 20 minutes stand-by.

[0031] (3) Take 80 parts of fibers treated in step (2), 20 parts of low-density polyethylene, 8 parts of paraffin, and 5 parts of dibutyltin dilaurate, and blend them in a high-speed mixer for 20 minutes before use.

[0032] (4) Extrude and granu...

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Abstract

The invention discloses an ecotype environmental protection material and a preparation method thereof. According to the ecotype environmental protection material and the preparation method thereof, provided by the invention, aiming at the poor combination of plant fibers and plastic, a biological fermentation method is fully utilized to treat melon, fruit, vegetable fibers, then low-density polyethylene (LDPE) is taken as a main composite material, a reasonable formula is set, the methods and principles of biology, chemistry and physics are combined, and proper processing steps and parameters are adopted, so as to obtain a high-performance bio-composite material by squeezing granulation through a screw rod. The material can be processed to form various products through the ways of injection molding, extrusion, mould pressing, machining and the like, is widely used in the fields of packaging, electronics, communication, furniture, decoration, automobiles, airplanes, war industry and the like, is capable of replacing the materials of plastic, logs and the like, and has very good social benefit and economic benefit.

Description

technical field [0001] The invention relates to an ecological environment-friendly material, in particular to a biomass composite material produced by a biochemical method and a preparation method thereof, which can be used to replace plastics, wood and other fields. Background technique [0002] At present, the materials used in the fields of packaging, electronic appliances, home decoration, automobiles, aircrafts, and military industries are mainly petroleum-based plastics, and some logs are used. However, plastics have the disadvantages of being non-biodegradable and polluting the environment. At the same time, the oil resources are limited and not sustainable. The use of a large number of logs will cut down a large number of forests and destroy the ecological environment. Therefore, by combining waste plant fibers with some polymer plastics, a higher-performance wood-plastic composite material can be produced, which can replace wood and plastic, and alleviate resource ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L97/02C08L23/06C08L27/18C08L91/06C08K13/02C08K5/10C08K3/36C08K5/57
CPCC08L97/02C08L2205/035C08L2205/16C08L2207/062C08L23/06C08L27/18C08L91/06C08K13/02C08K5/10C08K3/36C08K5/57
Inventor 曾广胜
Owner HUNAN UNIV OF TECH
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