Composite wood made of rice straw polymer and its producing process

A technology of high polymer and straw, which is applied in the direction of wood processing equipment, hollow objects, flat products, etc., can solve problems such as environmental pollution, traffic accidents, air flights grounded, and comprehensive utilization rate less than 10%, so as to reduce environmental pollution, The effect of saving forest resources

Inactive Publication Date: 2007-08-15
徐凌秀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Rice is the main grain crop in my country, and its output was as high as 180 million tons in 2004. The output of rice straw is equivalent to that of rice, which is also about 180 million tons. At present, the comprehensive utilization rate is less than 10%, and more than 90% of rice straw is burned as waste. The incineration process will pollute the environment, and even cause traffic accidents and grounding of airline flights

Method used

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  • Composite wood made of rice straw polymer and its producing process

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1 Make the first kind of straw high polymer composite wood,

[0024] 1. Prepare the following materials in proportions by weight:

[0025] Straw Fiber 65

[0026] Thermoplastic Polymer 30

[0027] Inorganic filler 10

[0028] Elastomer 5

[0029] Graft Copolymer 3

[0030] Reinforced Long Fiber 8

[0031] Auxiliary 3

[0032] 2. Its preparation method comprises the following steps:

[0033] 1) Prepare materials, prepare all the components required for the formula; initially mix the prepared components;

[0034] 2) kneading and molding, each component that is initially mixed is kneaded, exhausted and plasticized in a twin-screw high-speed mixing extruder 1, and is granulated or pressurized and extruded through a hole die; as shown in Figure 1, The material is fed from the hopper 1-3, and sent to the barrel 1-6 through the feeding device 1-4 and the barrel mouth 1-5; the barrel 1-6 has a twin screw 1-8, and the twin screw 1-8 is composed of The driving...

Embodiment 2

[0039] Embodiment 2 Make the 2nd kind of straw high polymer composite wood,

[0040] 1. Prepare the following materials in proportions by weight:

[0041] Straw Fiber 85

[0042] Thermoplastic Polymer 40

[0043] Inorganic filler 15

[0044] Elastomer 8

[0045] graft copolymer 5

[0046] Reinforced Long Fiber 10

[0047] Auxiliary 2

[0048] 2, its preparation method is identical with embodiment 1.

Embodiment 3

[0049] Embodiment 3 Make the 3rd kind of straw high polymer composite wood,

[0050] 1. Prepare the following materials in proportions by weight:

[0051] Straw Fiber 45

[0052] thermoplastic polymer 15

[0053] Inorganic filler 5

[0054] Elastomer 2

[0055] Graft Copolymer 2

[0056] Reinforced long fiber 6

[0057] Auxiliary 2

[0058] 2, its preparation method is identical with embodiment 1.

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Abstract

A straw polymer composite wood is characterized in following materials (mass) that straw fiber is 45-85%, thermal plastic polymer is 15-40%, inorganic stuff is 5-15%, elastic element is 2-8%, graft polymer is 2-5%, strengthen filament is 6-10%, and agent is 2-4%. The invention can utilize waste straw to prepare composite wood to save resource and reduce pollution with wide application.

Description

technical field [0001] The invention relates to a composite material, in particular to a straw high polymer composite wood and a preparation method thereof. Background technique [0002] Rice is the main grain crop in my country, and its output was as high as 180 million tons in 2004. The output of rice straw is equivalent to that of rice, which is also about 180 million tons. At present, the comprehensive utilization rate is less than 10%, and more than 90% of rice straw is burned as waste. The incineration process will pollute the environment, and even cause traffic accidents and grounding of aviation flights. From the perspective of the national three-nong policy, it is urgent to find a way out for the straw. On the other hand, my country's forest resources are further scarce, the wood processing industry is in trouble, and there is an urgent need for new wood resources. Contents of the invention [0003] The object of the present invention is to provide straw high pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27N3/04B27N1/02B27N3/08B27N5/00B27L11/08D21B1/14
Inventor 徐凌秀
Owner 徐凌秀
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