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Thin film produced by using starch fiber waste plastic

A technology for starch fibers and waste plastics, which is applied in the field of thermoplastic environmentally friendly plastics, and can solve the problems of difficulty in increasing starch content, high production costs, and product non-uniformity.

Inactive Publication Date: 2011-03-30
陈天云
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A new biochemical process is used to chemically modify starch fiber plastics, which solves the problems of poor processing performance, low strength, difficult increase of starch content, high production cost, uneven product and difficult manufacturing due to blended plastics. Membrane and other common diseases

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 2

[0013] According to weight percentage, 30% modified waste plastic regenerated material, 50% modified surface treated plant fiber superfine powder, 5% modified inorganic powder calcium carbonate, 10% modified starch, 1.5% lead stearate for external lubrication agent, 2.5% polyol plasticizer, 1% acrylic acid. Plasticized and extruded on a ZS-65C blown film machine, the film thickness is 0.05mm.

specific Embodiment approach 3

[0014] According to the percentage by weight, 20% modified waste plastic recycled materials, 10% modified surface treatment plant fiber superfine powder, 5% modified inorganic powder calcium carbonate, 60% modified starch, 1.5% lead stearate external lubricant , 2.5% polyol plasticizer, 1% polylactic acid. Plasticized and extruded on a ZS-65C blown film machine, the film thickness is 0.01mm.

specific Embodiment approach 4

[0015] According to weight percentage, 25% modified waste plastic recycled materials, 35% modified surface-treated plant fiber superfine powder, 10% modified starch, modified inorganic powder calcium carbonate, titanium dioxide, montmorillonite, kaolin, and bentonite were each 5% %, lead stearate, calcium stearate each 1% external lubricant, 2% polyol plasticizer, 1% acrylic acid. It is plasticized and extruded on a puller, and the thickness of the sheet is 0.6-3mm.

[0016] The technical formulation process of the invention has a wide range of applications, and can be optimally adjusted according to the requirements of product performance.

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Abstract

The invention discloses a thin film produced by using starch fiber waste plastic. The new breakthrough and technical innovative points are applied to an environment-friendly plastic synthesized thin film or sheet. The produced environment-friendly plastic synthesized thin film or sheet comprises the following raw materials of 10-60 percent of high polymer waste plastic (regenerated plastic), 10-60 percent of modified starch, 10-50 percent of natural plant fiber, 5-30 percent of inorganic material and 2-15 percent of modifier, compatilizer and processing aid. In the plastic-synthesized thin film or sheet, the thickness of the membrane is 0.01-0.6mm and the thickness of the sheet is 0.6-3mm. The preparation of the thin film has the advantages that the environment-friendly practical thin film or sheet with degradation time with different efficiencies, transmissivity, stress degrees and the like can be obtained by adjusting the mixture ratio of various materials.

Description

Technical field: [0001] The invention relates to a thermoplastic environment-friendly plastic, which can be recycled by renewable resources and synthesized into a film or sheet, and can be used to manufacture low-cost degradable plastic films, degradable plastic tableware, and the like. Background technique: [0002] With the rapid development of the plastics industry, plastic products are widely used in various fields of production and people's daily life, but the accompanying plastic waste is also increasing. Recycling waste plastics is a kind of recycling of renewable resources. It has become a major topic of global environmental pollution control. At present, all countries in the world have formulated various strict policies and measures to prevent the pollution of plastic materials to the environment, especially for the reuse, recycling and disposal of plastic products, and have formulated various mandatory comprehensive regulations. At the same time, vigorously advoca...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/12C08L67/02C08L77/00C08L3/04C08L97/02C08K9/04C08K9/06
CPCB29B9/06B29B9/12B29B7/002B29B7/10B29B7/48B29B7/7461B29B7/92B29B7/90B29B9/16
Inventor 陈天云
Owner 陈天云
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