Chloroprene rubber/montmorillonite nano-composite material and its preparation method

A technology of nanocomposite materials and neoprene, which is applied in the field of nanocomposite materials, can solve the problems of intercalation effect nanocomposite performance differences, etc., and achieve good mechanical properties and antistatic properties

Inactive Publication Date: 2007-04-18
CHINA UNIV OF GEOSCIENCES (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In contrast, factors such as different polymer molecular structures, molecular polarity, selection of intercalation methods, and selection of different dispersion media even if the intercalation methods are the same will directly lead to intercalation effects and the properties of the resulting nanocomposites. has a difference

Method used

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  • Chloroprene rubber/montmorillonite nano-composite material and its preparation method
  • Chloroprene rubber/montmorillonite nano-composite material and its preparation method
  • Chloroprene rubber/montmorillonite nano-composite material and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Fully infiltrate 6g of organic montmorillonite with 40ml of toluene, and evenly disperse the montmorillonite in the solvent under magnetic stirring to form A liquid. Dissolve 100g of raw neoprene rubber in 150ml of toluene solvent to form B solution. Mix liquids A and B, stir evenly, heat in a water bath to 95°C, keep the temperature constant, stir, and reflux for 50 hours, heat to separate the solvent, and obtain neoprene raw rubber / montmorillonite nanocomposite. According to the formula shown in Table 1, the composite material is prepared and processed by adopting general-purpose chloroprene rubber mixing, vulcanization methods and techniques (referring to "Modern Rubber Technology", China Petrochemical Press, edited by Yang Qingzhi), to obtain chloroprene rubber / Montmorillonite nanocomposites. Its performance is shown in Table 2 and Table 3.

[0058] sample

Embodiment 2

[0060] Fully infiltrate 4 g of organic montmorillonite with 50 ml of tetrahydrofuran, and uniformly disperse the montmorillonite in the solvent under magnetic stirring, as liquid A. Dissolve 100g of raw neoprene rubber in 200ml of toluene solvent as liquid B.

[0061] Mix liquids A and B, stir evenly, heat in a water bath to 55°C, keep the temperature constant, stir, reflux for 58 hours, heat to separate the solvent, and obtain neoprene raw rubber / montmorillonite nanocomposite. According to the formula shown in Table 1, the composite material is prepared and processed by adopting general-purpose chloroprene rubber mixing, vulcanization methods and techniques (referring to "Modern Rubber Technology", China Petrochemical Press, edited by Yang Qingzhi), to obtain chloroprene rubber / Montmorillonite nanocomposites. Its performance is shown in Table 2 and Table 3.

Embodiment 3

[0063] Fully infiltrate 2-15g organic montmorillonite with 40ml tetrahydrofuran, disperse the montmorillonite evenly in the solvent under magnetic stirring, and use it as liquid A. Dissolve 100g of raw neoprene rubber in 210ml of toluene solvent as solution B.

[0064] Mix liquids A and B, stir evenly, heat in a water bath to 60°C, keep the temperature constant, stir, reflux for 50 hours, heat to separate the solvent, and obtain neoprene raw rubber / montmorillonite nanocomposite. According to the formula shown in Table 1, the composite material is prepared and processed by adopting general-purpose chloroprene rubber mixing, vulcanization methods and techniques (referring to "Modern Rubber Technology", China Petrochemical Press, edited by Yang Qingzhi), to obtain chloroprene rubber / Montmorillonite nanocomposites. Its performance is shown in Table 2 and Table 3.

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Abstract

This invention relates to a stripping chloronorgutta(CR)/ montmorillonite nanometer composite which is of high mechanical performance and fine antistatic static electricity performance and its preparation. The preparation includes: purify montmorillonite and carry out natrium change; carry out montmorillonite Organification; prepare nanometer composite of chloronorgutta crude rubber /montmorillonite; and prepare nanometer composite of chloronorgutta/montmorillonite.

Description

technical field [0001] The invention relates to a nanocomposite material with high mechanical properties and good antistatic properties, in particular, the invention relates to a stripped neoprene (CR) / montmorillonite nanocomposite material and a preparation method thereof. Background technique [0002] Currently, rubber / layered silicate nanocomposites have been less studied compared to plastic / layered silicate nanocomposites. Domestically, Qi Zongneng from the Institute of Chemistry, Chinese Academy of Sciences, and Zhang Liqun from Beijing University of Chemical Technology are working on the development of rubber / layered silicate nanocomposites. The research methods include emulsion polymerization, melt intercalation, blending, blending and coagulation, and solution intercalation, among which the preparation of such materials by melt intercalation is more common. Although the fusion intercalation method is simple and convenient, the intercalation effect for macromolecules...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L11/00C08K9/04C08J3/24C08K3/34C08K3/22
Inventor 张泽朋肖诚斌廖立兵张治平董雪玲
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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