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Graphene modified chlorinated natural rubber adhesive and preparation method thereof

A technology for modifying chlorinated natural rubber and graphene, which is applied in the direction of halogen rubber derivative adhesives, adhesives, and adhesive types. Effects of weakening strength, improving adhesion, and increasing shear strength

Active Publication Date: 2019-07-19
瑞易德新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the texture of chlorinated natural rubber adhesive is relatively brittle after curing ([1] Wang Jiacong. Research on the production process of chlorinated natural rubber [D]. Zhejiang University, 2010.), which greatly affects its adhesive performance, and its practical application range also restricted

Method used

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  • Graphene modified chlorinated natural rubber adhesive and preparation method thereof
  • Graphene modified chlorinated natural rubber adhesive and preparation method thereof
  • Graphene modified chlorinated natural rubber adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The preparation method of graphene modified chlorinated natural rubber adhesive of the present invention, concrete steps are as follows:

[0052] (1) Graphene, triethanolamine, xylene and ethyl acetate are placed in a closed stirred tank, mixed and stirred at 22°C to obtain black dispersion A, the weight of graphene, triethanolamine, xylene and ethyl acetate in the A dispersion The ratio is 1.64:0.58:64.08:6.41;

[0053] (2) Add the black dispersion A, activated light magnesium oxide, and p-tert-butylphenol formaldehyde resin prepared in step (1) into cyclohexane solvent, and stir and react in a closed stirring tank at 22°C for 6h to obtain Mixed solution B, the weight ratio of black dispersion A, active light magnesium oxide, p-tert-butylphenol formaldehyde resin and cyclohexane prepared by step (1) in mixed solution B is 72.71:4.7:47.5:49.2;

[0054] (3) CR90 type chlorinated natural rubber, chloroprene rubber, ethyl acetate and 120# solvent oil were mixed and stirre...

Embodiment 2

[0058] The preparation method of graphene modified chlorinated natural rubber adhesive of the present invention, concrete steps are as follows:

[0059] (1) Graphene, triethanolamine, xylene and ethyl acetate are placed in a closed stirred tank, mixed and stirred at 23°C to obtain black dispersion A, the weight of graphene, triethanolamine, xylene and ethyl acetate in the A dispersion The ratio is 2.19:1.08:70.84:7.08;

[0060] (2) Add the black dispersion liquid A prepared in step (1), activated light magnesium oxide, and p-tert-butylphenol formaldehyde resin into cyclohexane solvent, and stir and react in a closed stirring tank at 23° C. for 6.5 h, Obtain mixed solution B, the step (1) in mixed solution B prepares and obtains the weight ratio of black dispersion A, active light magnesium oxide, p-tert-butylphenol formaldehyde resin and cyclohexane to be 81.19:4.5:47.7:48.9;

[0061](3) CR90 type chlorinated natural rubber, chloroprene rubber, ethyl acetate and 120# solvent ...

Embodiment 3

[0065] The preparation method of graphene modified chlorinated natural rubber adhesive of the present invention, concrete steps are as follows:

[0066] (1) Graphene, triethanolamine, xylene and ethyl acetate are placed in a closed stirred tank, mixed and stirred at 24°C to obtain black dispersion A, the weight of graphene, triethanolamine, xylene and ethyl acetate in the A dispersion The ratio is 2.74:0.88:65.72:6.57;

[0067] (2) Add the black dispersion A, activated light magnesium oxide, and p-tert-butylphenol formaldehyde resin prepared in step (1) into cyclohexane solvent, and stir and react in a closed stirring tank at 24°C for 7 hours to obtain Mixed solution B, the weight ratio of black dispersion A, active light magnesium oxide, p-tert-butylphenol formaldehyde resin and cyclohexane prepared in step (1) in mixed solution B is 75.91:4.6:46:52.2;

[0068] (3) CR125 type chlorinated natural rubber, chloroprene rubber, ethyl acetate and 120# solvent oil were mixed and st...

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Abstract

The invention provides a graphene-modified chlorinated natural rubber adhesive and a preparation method thereof. The adhesive is prepared from the following components in parts by weight: 1.64 to 3.83parts of graphene, 0.30 to 1.08 parts of triethanolamine, 50.94 to 70.84 parts of xylene, 4.5 to 4.88 parts of active light magnesium oxide, 46 to 50 parts of tert-butyl phenol formaldehyde resin, 45to 52.2 parts of cyclohexane, 60 to 105 parts of chlorinated natural rubber, 15 to 60 parts of chloroprene rubber, 117.15 to 183.93 parts of ethyl acetate, 61.31 to 117.15 parts of solvent oil, 22 to25 parts of a plasticizer, 0.9 to 1.25 parts of a silane coupling agent and 0.9 to 1.25 parts of an anti-aging agent 264. The adhesive is high in shear strength, shear impact strength and heat stability. The graphene in the adhesive is well dispersed and not liable to reunite; furthermore, the adhesive does not take a triphenyl compound as a main solvent, so that the triphenyl compound content meets the requirement of GB 18583-2008.

Description

[0001] Technical field: [0002] The invention provides a graphene-modified chlorinated natural rubber adhesive and a preparation method of the adhesive, belonging to the technical field of adhesives. [0003] Background technique: [0004] Chlorinated natural rubber is a chlorinated derivative of natural rubber obtained by chlorination and modification of natural rubber. This derivative is odorless, non-toxic, and non-irritating to the human body. Adding solvents and modifiers can Made into adhesive, chlorinated natural rubber adhesive is one of the commonly used adhesives in material bonding. However, the texture of chlorinated natural rubber adhesive is relatively brittle after curing ([1] Wang Jiacong. Research on the production process of chlorinated natural rubber [D]. Zhejiang University, 2010.), which greatly affects its adhesive performance, and its practical application range also restricted. Therefore, how to improve the adhesive properties of chlorinated natural r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J115/02C09J161/08C09J11/08C09J11/06C09J11/04
Inventor 李文卓张昱超罗睿轶黄帅宇李仙
Owner 瑞易德新材料股份有限公司