Vinyl terminated polysiloxane containing quaternary ammonium salt, its synthesis and application thereof in preparation of intrinsic quaternary ammonium salt type antibacterial silicone rubber

A vinyl-terminated, chlorohydrocarbyl polysiloxane technology is applied to vinyl-terminated quaternary ammonium salt-containing polysiloxane and its synthesis and application in the preparation of intrinsic quaternary ammonium salt type antibacterial silicone rubber, It can solve the problems of the decline of the mechanical properties of the silicone rubber and the deterioration of the durability of the antibacterial properties of the silicone rubber, and achieve the effects of long-lasting antibacterial properties, long-lasting antibacterial properties and high safety performance.
CN108586751AInactive Publication Date: 2018-09-28SHANDONG JIAOTONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANDONG JIAOTONG UNIV
Publication Date
2018-09-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses vinyl terminated polysiloxane containing quaternary ammonium salt and a synthetic method thereof. The vinyl terminated polysiloxane containing quaternary ammonium salt is of the structure as shown in the formula (I). Firstly vinyl terminated chloric cycloalkylalkoxy polysiloxane is prepared by ring-opening polymerization and equilibrium, and the product is prepared produced by quaternization reaction of the vinyl terminated chloric cycloalkylalkoxy polysiloxane and tertiary amine. The invention also discloses an application of vinyl terminated polysiloxane containing quaternary ammonium salt, serving as crude rubber, in preparation of intrinsic quaternary ammonium salt type antibacterial silicone rubber. The quaternary ammonium salt antibacterial group is introduced to the crude rubber molecule structure of the silicone rubber, the antibacterial agent is enabled to be distributed evenly in a base body, and the obtained silicone rubber is long in antimicrobial time and high in security. A new field is open for the application of the organic silicone polymer quaternary ammonium salt, and a novel idea is provided to the new technology of antimicrobial materials.
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Description

technical field

[0001] The present invention relates to a kind of polysiloxane and its synthesis and the preparation method of intrinsic type antibacterial silicone rubber, especially to a kind of vinyl-terminated polysiloxane containing quaternary ammonium salt and its synthesis method and the preparation method of intrinsic quaternary ammonium The application in salt-type antibacterial silicone rubber, that is, the synthesis of quaternary ammonium salt-containing polysiloxane and the method for preparing intrinsic quaternary ammonium salt-type antibacterial silicone rubber, belongs to the field of organosilicon polymer materials. Background technique

[0002] In recent years, with the development of science and technology, people have higher and higher requirements on the performance of materials, especially the antibacterial performance. As a new type of functional material, antibacterial materials can effectively inhibit bacteria, germs and other microorganisms harmful t...

Claims

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