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A New Solution for Building Waterproofing and Sealing: Application of Alkoxysilane Modified Polymer Sealants

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In the fields of prefabricated buildings, curtain wall engineering, and underground waterproofing, the weather resistance and displacement capability of high-performance sealants directly affect building safety. Anhui Aiyota's silane coupling agent for alkoxysilane-modified polymers (MS/STP) is driving the upgrading of building sealant technology.

This type of silane coupling agent contains multiple hydrolyzable methoxy or ethoxysilane groups, as well as functional groups that can react with the main chains of polymers such as polyurethane and polyether. Through end-group or side-group modification, MS sealants that combine the weather resistance of silicone sealants and the strength of polyurethane sealants can be prepared, with a displacement capability of ±25% to ±50% and a service life exceeding 20 years.

The product has wide applications in the construction field: providing excellent adhesion and displacement tracking in sealing joints of prefabricated PC components; ensuring structural safety in the bonding of curtain wall glass to metal frames; resisting long-term water pressure and chemical corrosion in underground waterproofing projects; achieving elastic sealing and self-healing functions in concrete crack repair; and providing long-term waterproofing and airtightness in door and window installations.

Aiyota's series of silane coupling agents for construction includes various specifications with monofunctionality, difunctionality, and trifunctionality, adaptable to different polymer systems. Product purity is ≥97%, and it is available in 200kg iron drums. The company's technical service team can provide sealant manufacturers with formulation design, curing mechanism analysis, and construction technology guidance, helping customers develop high-performance building sealing products.

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