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

• Main Authors: FENG SHENGYU, JIA TIANSONG, QIN XUEMEI, LI SHUAIJIE, WANG QIN, DONG FUYING, HAO JIAWEN, TANG XINDE, WANG XIANPENG
• Format: Patent
• Language: Chinese; English
• Published: 28.09.2018
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

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.