Full-biomass composite plastic and preparing method thereof

A composite plastic and biomass technology, applied in the field of polymer materials, can solve problems such as poor cleanliness and gaps in mechanical properties, and achieve the effects of reducing equipment investment, improving product performance, and simplifying the production process

Inactive Publication Date: 2016-05-18
WUHAN HUALI BIOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the all-biomass plastics in the prior art need to use organic solvents in the preparation process, the production process is not clean, and there is still a big gap between the mechanical properties of the product and traditional plastics

Method used

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  • Full-biomass composite plastic and preparing method thereof
  • Full-biomass composite plastic and preparing method thereof
  • Full-biomass composite plastic and preparing method thereof

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with specific examples, so that those skilled in the art can better understand the present invention and implement it, but the given examples are not intended to limit the present invention.

[0028] (1) Mix all-biomass polyethylene, natural polymers, plasticizers, heat stabilizers, internal lubricants and fillers evenly, add them to a high-speed mixer, stir at 60-150°C for 5-30min, and mix well ;

[0029] (2) Reaction in a twin-screw extruder: add the material obtained in step (1) into a twin-screw extruder, knead at 130-220° C., and granulate to obtain an all-biomass composite plastic;

[0030] (3) The pellets obtained in step (2) are subjected to secondary processing on blow molding equipment to obtain an all-biomass composite plastic film bag.

[0031] The raw material components are shown in the table below:

[0032]

[0033] The properties of all biomass composite plastics are as follows:

...

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Abstract

The invention discloses full-biomass composite plastic and a preparing method thereof. The plastic is prepared from, by mass, 20-70% of full-biomass polyethylene, 15-60% of natural polymer substances, 5-20% of an addition agent and 0-25% of filler. The addition agent is one or more of plasticizer, a heat stabilizer and an inner lubricating agent; the filler is one or more of talcum powder, calcium carbonate, diatomite and silicon dioxide. According to the preparing method, the raw materials for preparing are stirred and mixed uniformly at the temperature of 60 DEG C-150 DEG C, added into a double-screw extruder, mixed at the temperature of 130 DEG C-220 DEG C and palletized. The raw materials of the product are from natural reproducible substances totally, thermoplastic reproducible substances are adopted to be mixed with full-biomass polyethylene to be palletized, as the reproducible substances are biodegraded, the whole material is disintegrated into fragments, and the plastic has a certain degradation property.

Description

technical field [0001] The invention belongs to the field of polymer materials, and in particular relates to an all-biomass composite plastic and a preparation method thereof. Background technique [0002] With the rapid development of social economy and the shortage of oil resources, the impact of greenhouse gas emissions on the global climate has increasingly become the focus of attention around the world. At present, in the field of packaging, most of them are still based on petroleum-based plastic packaging. Therefore, reducing the use of petroleum resources and reducing carbon emissions has become the goal of everyone's joint efforts. [0003] All-biomass plastics refer to plastics made of natural materials such as starch and fiber. It is renewable and can achieve greenhouse gas carbon dioxide emission reduction or even zero emission. Therefore, it is very environmentally friendly and can greatly reduce the consumption and consumption of petroleum in modern society. It...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L97/02C08L3/02C08K5/053C08K5/098C08K3/26C08K3/34C08K3/36
CPCC08L23/06C08L97/02C08L2201/06C08L2205/025C08L2205/03C08L2205/16
Inventor 王继鑫张立斌白娟
Owner WUHAN HUALI BIOLOGY CO LTD
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