Ethanedithiol modified nano molybdenum disulfide for modifying polysulfide sealant and modification method thereof

A technology of nano molybdenum disulfide and polysulfide sealant, which is applied in the directions of adhesives, adhesive additives, non-polymer adhesive additives, etc. It can improve the mechanical properties and increase the strength of the interface interaction.
CN109749696AActive Publication Date: 2019-05-14ANHUI UNIVERSITY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
ANHUI UNIVERSITY
Publication Date
2019-05-14

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Abstract

The invention discloses an ethanedithiol modified nano molybdenum disulfide for modifying a polysulfide sealant and a modification method thereof. The ethanedithiol modified nano molybdenum disulfideis sulfhydrylation nano molybdenum disulfide obtained by performing sulfhydrylation modification on ethanedithiol at a sulfur atom deletion site of lamellar molybdenum disulfide. The ethanedithiol modified nano molybdenum disulfide disclosed by the invention, as a reinforcing agent of the polysulfide sealant, is added to the raw material system of the polysulfide sealant so as to modify the polysulfide rubber in the raw material system, thus the mechanical property of the polysulfide sealant can be improved without destroying the insulation property.
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Description

technical field

[0001] The invention belongs to the field of functional polymer materials, and in particular relates to ethylenedithiol-modified nanomolybdenum disulfide used for modifying polysulfide sealants and a modification method thereof. Background technique

[0002] Polysulfide sealant is a sealant made of liquid polysulfide rubber as the main material, combined with vulcanizing agent, reinforcing agent, tackifier, accelerator and other additives. It is an elastic sealing material with a long history. Polysulfide sealants have the characteristics of uniform curing, good chemical resistance, and good weather resistance, and are widely used in construction, transportation, manufacturing and other fields. The type and amount of reinforcing agent have a great influence on the mechanical properties of polysulfide sealants. Studies have shown that when two-dimensional nanomaterials with layered structure are used as reinforcing agents, the mechanical properties of polymers...

Claims

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