Decorative material made from rape straw and preparing method

A decorative material, rape straw technology, applied in the field of comprehensive utilization of crop by-products, to achieve the effect of saving consumption and protecting the natural environment

Inactive Publication Date: 2007-08-29
HUAZHONG AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Decorative material made from rape straw and preparing method

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Embodiment 1

[0036] Weigh 50nm nano-silica (purchased from China National Nano Engineering Center commodity) 1.5kg and sodium trimetaphosphate 0.8kg, mix it in a glass container; Put into the ball mill cylinder body of 45r / min after mixing, make described nano silicon dioxide fully disperse; Weigh and dry to water content and be 3% through the pulverized rape straw powder 100kg of 80 mesh analytical sieves, and add 1.3kg of aminosilane was placed in a high-speed mixer, mixed for 10 minutes at 90°C, and then 20kg of high-density polyethylene, 6 kg of talcum powder, 2 kg of chlorinated polyethylene, and EPDM were added to the high-speed mixer in turn. 2 kilograms of rubber, 1 kilogram of paraffin and 1 kilogram of foaming agent azodicarbonamide are placed in a high-speed mixer, mixed for 15 minutes at 110 ° C, and the obtained mixed material is extruded in a twin-screw extruder. The heating temperature T1-T6 of each section is 90°C, 124°C, 154°C, 150°C, 132°C and 125°C respectively, the spee...

Embodiment 2

[0038]Weigh 50nm nano silicon dioxide (commodity purchased from China National Nano Engineering Center) 1.5kg and sodium trimetaphosphate 0.8kg, mix it in a glass container, and mix described nano silicon dioxide and sodium trimetaphosphate Put into the ball mill cylinder body of 45r / min after mixing, make described nano silicon dioxide fully disperse; Weigh and dry to water content and be 3% through the pulverized rape straw powder 100kg of 80 mesh analytical sieves, and add 1.3kg of aminosilane is placed in a high-speed mixer, mixed for 10 minutes at 90°C, and then 30kg of high-density polyethylene, 6 kg of talcum powder, 2 kg of chlorinated polyethylene, and EPDM are added to the high-speed mixer in turn. 2 kg of rubber, 1 kg of paraffin and 1 kg of blowing agent azodicarbonamide are placed in a high-speed mixer, mixed for 15 minutes at 110 ° C, and the obtained mixed material is extruded in a twin-screw extruder. The heating temperatures T1-T6 are 90°C, 124°C, 154°C, 150°C...

Embodiment 3

[0040] Weigh 50nm nano-silica (purchased from China National Nano Engineering Center commodity) 1.5kg and sodium trimetaphosphate 0.8kg, mix it in a glass container; Put into the ball mill cylinder body of 45r / min after mixing, make described nano silicon dioxide fully disperse; Weigh and dry to water content and be 3% through the pulverized rape straw powder 100kg of 80 mesh analytical sieves, and add 1.3kg of aminosilane is placed in a high-speed mixer, mixed for 10 minutes at 90°C, and then added to the high-speed mixer in turn 25kg of high-density polyethylene, 6 kg of talcum powder, 2 kg of chlorinated polyethylene, EPDM 2 kilograms of rubber, 1 kilogram of paraffin and 1 kilogram of blowing agent azodicarbonamide were placed in a high-speed mixer, and mixed for 15 minutes at 110 ° C, and the obtained mixed material was extruded in a twin-screw extruder, each The section heating temperatures T1-T6 are 90°C, 124°C, 154°C, 150°C, 132°C and 125°C respectively, the speed of t...

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Abstract

The invention relates to a method used nanometer material to modify rape stalk, twin screw extruding technology to make new type green decorating or packing material which is formed by rape stalk, nanometer silicon dioxide, double amino silane, sodium trimetaphosphate, high density polyethylene, azo bis formamide, French chalk, paraffin, chlorinated polyethylene, and ethylene propylene terpolymer. The modifying and molding for the rape stalk is in the same device and technology. It is detected that the main technical criteria of the decorating material are that bending strength 27.4MPa, elastic modulus in bending 1582MPa; surface cigarette igniting resistance are that no yellow spot, black spot, crack, bubbling; it satisfies our country relative standard, can substitute for parts of plastic and wood products.

Description

technical field [0001] The invention belongs to the technical field of comprehensive utilization of crop by-products, and relates to the technical field of using crop straws to prepare building decoration or packaging materials. Specifically, the invention relates to modifying rapeseed stalks by using nanometer materials, and adopting a twin-screw extrusion process and equipment to complete the modification and molding of rapeseed stalks at one time. The invention also relates to methods of preparing the material. Background technique [0002] As we all know, my country is a big producer of wood and wood products in the world, and it is also a big consumer. At the same time, it is a country with very little forest resources per capita. In addition to deforestation, the forest area in our country is decreasing year by year. The reduction of forest and surface vegetation will not only lead to the degradation of cultivated land and climate change, but also have a serious impac...

Claims

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Application Information

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IPC IPC(8): B29C47/92B29C47/40B29B7/00B29B15/00B29K103/00B29K23/00B29C48/92
CPCB29C47/92B29C48/40
Inventor 熊汉国汪振炯张美玲丁士勇
Owner HUAZHONG AGRI UNIV
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