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High-heat-resistant sisal fiber modified SBS (styrene butadiene styrene) composite material and preparation method thereof

A technology of sisal fiber and composite material, used in fiber processing, plant fiber, textiles and papermaking, etc., can solve the problems of easy deformation, low impact strength, poor heat resistance, etc., to enhance hardness, improve heat resistance, The effect of increasing the heat-resistant temperature

Inactive Publication Date: 2017-09-29
GUANGXI TEACHERS EDUCATION UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Styrene-butadiene-styrene block copolymer (SBS) is a block copolymer of styrene as a monomer, which has the characteristics of plastic and rubber, has good chemical stability, excellent low temperature performance, low price and It is one of the important general-purpose plastics in the industry because of its advantages such as convenient processing, but its impact strength is not high, easy to deform, and poor heat resistance, so that its application is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A high heat-resistant sisal fiber modified SBS composite material, comprising the following components in parts by weight: 50 parts of SBS, 6 parts of polypropylene, 5 parts of modified sisal fiber, 10 parts of methyl methacrylate, ceramic 5 parts of fiber, 0.5 part of nano-scale magnesium oxide, 0.5 part of antioxidant, 1 part of lubricant, 0.01 part of zinc oxide, the preparation method of the described high heat-resistant sisal fiber modified SBS composite material comprises the following steps:

[0021] 1) Put 50 parts of SBS, 10 parts of methyl methacrylate and 0.01 part of zinc oxide in an autoclave, remove the air in the autoclave, inject carbon dioxide, place the autoclave in a water bath, and turn on the radiation device , heated up to the reaction temperature under magnetic stirring, and reacted to obtain grafted SBS;

[0022] 2) Dissolving the grafted SBS in cyclohexane, adding an organic acid, adding hydrogen peroxide under constant temperature and stirring ...

Embodiment 2

[0026] A high heat-resistant sisal fiber modified SBS composite material, comprising the following components in parts by weight: 70 parts of SBS, 13 parts of polypropylene, 10 parts of modified sisal fiber, 15 parts of methyl methacrylate, ceramic 2 parts of fiber, 2 parts of nano magnesium oxide, 2 parts of antioxidant, 0.5 part of lubricant, 0.05 part of zinc oxide, the preparation method of described high heat-resistant sisal fiber modified SBS composite material, comprises the following steps:

[0027] 1) Put 70 parts of SBS, 15 parts of methyl methacrylate and 0.05 part of zinc oxide in the autoclave, remove the air in the autoclave, inject carbon dioxide, make the pressure of the carbon dioxide in the autoclave be 20MPa, put the autoclave Put it in a water bath, heat it to the reaction temperature of 100°C, turn on the radiation device with cobalt-60 as the radiation source, the radiation dose is 50kGy, raise the temperature to the reaction temperature under magnetic sti...

Embodiment 3

[0032] A high heat-resistant sisal fiber modified SBS composite material, comprising the following components in parts by weight: 70 parts of SBS, 13 parts of polypropylene, 10 parts of modified sisal fiber, 15 parts of methyl methacrylate, ceramic 2 parts of fiber, 2 parts of nano magnesium oxide, 2 parts of antioxidant, 0.5 part of lubricant, 0.03 part of zinc oxide, the preparation method of described high heat-resistant sisal fiber modified SBS composite material, comprises the following steps:

[0033]1) Put 70 parts of SBS, 15 parts of methyl methacrylate and 0.03 part of zinc oxide in the autoclave, remove the air in the autoclave, inject carbon dioxide, make the pressure of the carbon dioxide in the autoclave be 20MPa, put the autoclave Put it in a water bath, heat it to the reaction temperature of 100°C, turn on the radiation device with cobalt-60 as the radiation source, the radiation dose is 50kGy, raise the temperature to the reaction temperature under magnetic stir...

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Abstract

The invention relates to an SBS (styrene butadiene styrene) composite material, in particular to a high-heat-resistant sisal fiber modified SBS composite material. The high-heat-resistant sisal fiber modified SBS composite material is prepared from the following ingredients in parts by weight: 50 to 70 parts of SBS, 6 to 13 parts of polypropylene, 5 to 10 parts of modified sisal fiber, 10 to 15 parts of methyl methacrylate, 2 to 5 parts of ceramic fiber, 0.5 to 2 parts of nanometer magnesium oxide, 0.5 to 2 parts of antioxidants and 0.5 to 1 part of lubricating agents. The invention also provides a preparation method of the SBS composite material. The SBS composite material prepared by the method provided by the invention has the characteristics of high temperature resistance, excellent anti-impact performance and the like.

Description

technical field [0001] The invention relates to the technical field of modification of SBS composite materials, in particular to a high heat-resistant sisal fiber modified SBS composite material and a preparation method thereof. Background technique [0002] Sisal belongs to Agaveaceae and is a widely planted perennial hemp economic plant. The sisal fiber obtained from its leaves has white color, seawater corrosion resistance, tough texture, low density, high tensile strength and modulus, The source is wide and the price is low. Therefore, sisal fiber has obvious advantages in the preparation of high-strength, high-modulus and low-cost fiber-reinforced polymer matrix composites. [0003] Styrene-butadiene-styrene block copolymer (SBS) is a block copolymer of styrene as a monomer, which has the characteristics of plastic and rubber, has good chemical stability, excellent low temperature performance, low price and It is one of the important general-purpose plastics in the ind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/00C08L23/12C08L1/02C08K13/04C08K7/04C08K3/22C08K5/18C08K5/526C08K5/1545C08F287/00C08F220/14C08F8/08D06M11/60D06M101/06
CPCC08L51/006C08F8/08C08F287/00C08K2003/222C08K2201/011C08L2201/08C08L2205/03C08L2205/035C08L2205/16D06M11/60D06M2101/06C08L23/12C08L1/02C08K13/04C08K7/04C08K3/22C08K5/18C08K5/526C08K5/1545C08F220/14
Inventor 刘钰馨
Owner GUANGXI TEACHERS EDUCATION UNIV
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