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Novel biodegradable plastic material and preparation method thereof

A technology for degrading plastics and new materials, applied in the field of new materials for biodegradable plastics and its preparation, can solve the problems of low strength of degradable plastics, achieve the effects of easy degradation, guarantee its own strength, and solve low strength

Pending Publication Date: 2021-12-21
资阳众诺诚塑料制品有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present application solves the technical problem of low strength of degradable plastics in the prior art by providing a new material of biodegradable plastics and its preparation method, and realizes the technical effect that plastics are easy to degrade while ensuring their own strength

Method used

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  • Novel biodegradable plastic material and preparation method thereof
  • Novel biodegradable plastic material and preparation method thereof
  • Novel biodegradable plastic material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] The novel material of biodegradable plastics of the present application comprises resin, lignocellulose, nano-zeolite and cellulase; Described resin is polyethylene; The weight content of resin, lignocellulose, nano-zeolite and cellulase is respectively in the material : 65-78% resin, 22-27% lignocellulose, 5-10% nano-zeolite, 0.2-0.4% cellulase; the preparation method is as follows:

[0085] (1) immobilize cellulase on nano zeolite by physical adsorption at room temperature;

[0086] (2) Using mixing equipment, first mix the nano-zeolite solidified with cellulase and lignocellulose in proportion;

[0087] (3) mixing the mixture obtained in step (2) with the resin in proportion;

[0088] (4) Transport the mixture obtained in step (3) to a granulator for granulation.

[0089] Preferably, the cellulase is heat-resistant cellulase derived from B. subtilis DR bacteria.

[0090] The fineness of the nano-zeolite is 0.08mm, and the average particle diameter is 5.0-6.5 μm. ...

Embodiment 2

[0096] In order to further shorten the degradation time of the material (considering that raising the ambient temperature is conducive to improving the activity of cellulase and thus shortening the degradation time of the material of this application), preferably, the material of this application also includes reduced iron powder, carbon powder and Salt; the weight content of reduced iron powder, carbon powder and table salt in the material is: reduced iron powder 1.6-3%, carbon powder 1.5-2%, salt 0.5-0.8%; the step (3) is: the reduced iron powder , carbon powder and table salt are mixed in proportion; the mixture obtained by mixing reduced iron powder, carbon powder and table salt is mixed with the mixture obtained in step (2) and resin in proportion.

[0097] After utilizing the material of this embodiment to make plastic products, the reduced iron powder, carbon powder and salt react with air or water in the soil to release heat, which increases the surface temperature of t...

Embodiment 3

[0102] Considering that the content of some raw materials in the above-mentioned embodiments of the present application is relatively small, using the mixing equipment in the prior art to mix the raw materials in the above-mentioned embodiments is prone to the problems of uneven mixing and low mixing efficiency;

[0103] This embodiment provides a mixing device, which is used in the material preparation (process) process of this application, which solves the problem of mixing a small amount of one or more raw materials with a larger amount of one or more raw materials in the prior art. The technical problems of uneven mixing and low mixing efficiency that are likely to occur when mixing multiple raw materials are as follows:

[0104] like Figure 1 to Figure 5 As shown, the mixing device of the present application includes a housing 100, a cloth assembly 200, a stirring and mixing assembly 300, an ion fan 400, a power assembly and a control unit.

[0105] like Figure 5 As s...

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Abstract

The invention discloses a novel biodegradable plastic material which comprises resin, lignocellulose, nano zeolite and cellulase. The cellulase is solidified by the nano zeolite, and then the resin, the lignocellulose and the nano zeolite solidified with the cellulase are mixed in proportion and then fed into a granulator to be granulated; lignocellulose in the plastic can ensure the strength of a plastic finished product, and cellulase solidified in the nano zeolite can continuously decompose the lignocellulose; the technical effect that the plastic is easy to degrade while the strength of the plastic is guaranteed is achieved.

Description

technical field [0001] The invention relates to the technical field of plastics and its preparation, in particular to a novel material of biodegradable plastics and a preparation method thereof. Background technique [0002] Plastic products have penetrated into everyone's life; plastic comes from nature, is manufactured by humans, and is not easily absorbed by nature when it is finally attributed to nature. [0003] There are mainly three ways to deal with plastics: recycling, burying and incineration; in reality, recycled plastics only account for a small part, and most of them are incinerated or buried after being discarded, but plastic waste is not easy to deal with. Decomposition and burial will take up a lot of space, and the waste gas produced by incineration will cause serious pollution to the environment. [0004] With the increasingly prominent problem of white pollution and the limitations of conventional treatment methods, people began to study degradable plasti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L97/02C08L89/00C08K7/26B29B7/16B29B7/22B29B9/00
CPCC08L23/06B29B9/00B29B7/16B29B7/22C08K2201/011C08L2201/06C08L97/02C08L89/00C08K7/26
Inventor 徐向阳
Owner 资阳众诺诚塑料制品有限责任公司
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