Composition material formed by natural cellulose and synthetic resin or polylactic acid

A natural fiber and synthetic resin technology, applied in the field of composite materials, can solve the problems of large consumption of fossil raw materials, melamine residue, difficult natural degradation, etc., and achieve the effect of low cost, low residue and good formability

Inactive Publication Date: 2011-02-02
孟庆雄 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, a large number of polyester products such as melamine tableware, toys, and packaging materials are made of melamine resin or urea-formaldehyde resin or other resin materials formed by polymerization of melamine, urea, and formaldehyde. These materials have high temperature resistance and good mechanical strength. advantages, but there are also problems such as formaldehyde or melamine residues, large consum

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The composition material of the present invention comprises: 15% by weight of natural fiber powder and 85% by weight of melamine resin.

[0012] Natural cellulose powder is straw, bagasse, sawdust or low-value wood, which is obtained after washing, drying and dehydration, crushing and screening; the screening particle size is controlled to 300 mesh.

[0013] The resin is a synthetic resin. The coupling agent is any one of titanates.

Embodiment 2

[0015] The composition material of the present invention comprises: 45% by weight of natural fiber powder, 52% by weight of polylactic acid, and 3% by weight of coupling agent.

[0016] The natural cellulose powder is straw, bagasse, sawdust or low-value wood, which is obtained after washing, drying and dehydration, crushing and screening; the screening particle size is controlled to 90 mesh.

[0017] The resin is polylactic acid. The coupling agent is any one of silanes.

Embodiment 3

[0019] The composition material of the present invention comprises: 10% by weight of natural fiber powder and 90% by weight of melamine resin.

[0020] Natural cellulose powder is straw, bagasse, sawdust or low-value wood, which is obtained after washing, drying and dehydration, crushing and screening; the screening particle size is controlled to 30 mesh.

[0021] The resin is a synthetic resin. The coupling agent is any one of titanates.

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PUM

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Abstract

The invention relates to a composition material formed by natural cellulose and synthetic resin or polylactic acid, and belongs to the technical field of synthetic materials. The composition material formed by the natural cellulose and the synthetic resin or polylactic acid comprises 10 to 90 weight percent of natural cellulose powder, 90 to 10 weight percent of resin and 0 to 5 weight percent of coupling agent, wherein the natural cellulose powder is straw, bagasse, sawdust or low value wood; the resin is any one of synthetic resin or polylactic acid; and the coupling agent is any one of silanes and titanate esters. The composition material has the advantages of low cost, high mechanical strength, low residue of harmful substances such as formaldehyde and melamine, and quickly natural degradation of cellulose in the composition under the action of microorganisms or physical and chemical factors.

Description

Technical field: [0001] The invention relates to a composite material formed of natural fiber and synthetic resin or polylactic acid, which belongs to the technical field of synthetic materials. Background technique: [0002] At present, a large number of polyester products such as melamine tableware, toys, and packaging materials are made of melamine resin or urea-formaldehyde resin or other resin materials formed by polymerization of melamine, urea, and formaldehyde. These materials have high temperature resistance and good mechanical strength. advantages, but there are also problems such as formaldehyde or melamine residues, large consumption of fossil raw materials, difficulty in natural degradation, and high cost; and natural cellulose with a large amount of straw, wood chips or low economic value in nature is a renewable resource. The cost is low, and the natural fiber can act with synthetic resin, polylactic acid and various coupling agents, and the obtained composite...

Claims

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Application Information

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IPC IPC(8): C08L67/04C08L101/00C08L97/02C08L61/28
Inventor 孟庆雄央正仲
Owner 孟庆雄
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