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Rubber composite material and preparation method thereof

A composite material and rubber technology, which is applied in the field of preparation of rubber-like polymer composite materials, can solve the problems that the improvement effect of natural rubber polymer tensile strength and elongation at break is not obvious, and is suitable for large-scale application and low cost , Improve the effect of tensile strength and elongation at break

Active Publication Date: 2015-04-29
合肥市和裕达塑业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, lignocellulose-montmorillonite rubber reinforcing agent has no obvious effect on improving the tensile strength and elongation at break of natural rubber polymers, and needs to be improved

Method used

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  • Rubber composite material and preparation method thereof
  • Rubber composite material and preparation method thereof
  • Rubber composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A rubber composite material, consisting of the following components by weight: 100 parts of natural rubber, 6 parts of zinc oxide, 1 part of stearic acid, 1.5 parts of antioxidant 4010NA, 0.7 part of accelerator CZ, 0.1 part of anti-scorch agent CTP, 40 parts of carbon black N330, 10 parts of lignocellulose-montmorillonite rubber reinforcing agent, 2.5 parts of sulfur and 0.3 parts of accelerator TMTD.

[0032] The preparation method of the rubber composite material of the present embodiment comprises the following steps:

[0033] (1) Preparation of lignocellulose-montmorillonite rubber reinforcing agent: join lignocellulose 15g and deionized water 750ml in a 1000ml beaker, stir and mix evenly to obtain lignocellulose suspension; Add 60 g of organic montmorillonite treated with octadecyl dimethyl benzyl ammonium chloride to the plain suspension, stir and react for 6 h at 80°C, wash the reaction product until neutral after the reaction, dry and dry Ball milling until th...

Embodiment 2

[0038] A rubber composite material, consisting of the following components by weight: 100 parts of natural rubber, 6 parts of zinc oxide, 1 part of stearic acid, 1.5 parts of antioxidant 4010NA, 0.7 part of accelerator CZ, 0.1 part of anti-scorch agent CTP, Carbon black N33040 parts, lignocellulose-montmorillonite rubber reinforcing agent 10 parts, liquid rubber LBR3072 parts, sulfur 2.5 parts and accelerator TMTD 0.3 parts.

[0039] The preparation method of the rubber composite material of this embodiment is the same as that of Embodiment 1.

Embodiment 3

[0041] A rubber composite material, consisting of the following components by weight: 100 parts of natural rubber, 6 parts of zinc oxide, 1 part of stearic acid, 1.5 parts of antioxidant 4010NA, 0.7 part of accelerator CZ, 0.1 part of anti-scorch agent CTP, Carbon black N33040 parts, lignocellulose-montmorillonite rubber reinforcing agent 10 parts, liquid rubber LBR3074 parts, sulfur 2.5 parts and accelerator TMTD 0.3 parts.

[0042] The preparation method of the rubber composite material of this embodiment is the same as that of Embodiment 1.

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Abstract

The invention provides a rubber composite material, which comprises the following components in parts by weight: 100 parts of natural rubber, 6 parts of zinc oxide, 1 part of stearic acid, 1.5 parts an antioxidant, 0.1 part of a scorch retarder, 0.7 part of an accelerator CZ, 0.3 part of an accelerator TMTD, 2.5 parts of sulfur, 40 parts of carbon black, 10 parts of a wood cellulose-montmorillonite rubber reinforcing agent, and less than or equal to 6 parts of liquid rubber. According to the composite material provided by the invention, the liquid rubber is added to a formula of rubber, so that the tensile strength and the elongation at break of rubber can be improved, the dispersion of the lignocellulose-montmorillonite reinforcing agent in a natural rubber matrix is improved, the interfacial interaction of the rubber and the wood cellulose-montmorillonite reinforcing agent is effectively enhanced, and the environment is protected. The invention also provides a preparation method of the rubber composite material. The preparation method has the advantages of simple process, low cost and easiness in industrial production.

Description

technical field [0001] The invention belongs to the technical field of rubber polymer composite material preparation, and in particular relates to a rubber composite material and a preparation method thereof. Background technique [0002] With the increasing scarcity of petrochemical resources and serious environmental problems, the use of renewable biomass raw materials instead of petrochemical raw materials to synthesize new polymer materials has attracted more and more attention. Lignocellulose is the most abundant renewable resource in nature. Lignocellulose is rich in hydroxyl groups. After vulcanization, it is easy to chemically react with inorganic fillers and rubber to form a resin network. It is used as a filler in rubber and is an excellent reinforcing material. However, its interface adhesion with non-polar or weakly polar polymer matrix is ​​poor, and the hydrophilic fibers cannot be well dispersed in the polymer matrix, resulting in a decrease in the mechanical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L21/02C08L1/02C08L97/00C08K13/06C08K9/04C08K3/34C08K3/22C08K5/09C08K3/06C08K3/04C08K5/18B29C35/02
CPCB29C35/02C08L7/00C08L2205/03C08L2205/16C08L9/00C08L97/02C08K13/06C08K9/04C08K3/346C08K2003/2296C08K5/09C08K3/04C08K3/06
Inventor 丁国新段召程国君侯兴龙张明旭陆奎路清联
Owner 合肥市和裕达塑业有限公司
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