Waterproof and moisture-proof and vapor-proof film, and preparation method and application thereof
By using a combination of polyester spunlace fabric and polyurethane adhesive, the problems of easy wrinkling and poor adhesion of waterproof and moisture-proof vapor barrier membranes in high-temperature environments are solved, achieving strong adhesion with tile adhesive and improved weather resistance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
- Filing Date
- 2026-02-13
- Publication Date
- 2026-06-09
AI Technical Summary
Existing waterproof and moisture-proof vapor barrier membranes are prone to wrinkling and have poor adhesion in high-temperature environments, as well as poor weather resistance, which leads to the risk of falling off when used in places such as bathrooms with underfloor heating.
Polyester spunlace fabric is used as the surface layer, and polyurethane adhesive is used to form a three-dimensional cross-linked structure. Combined with a corona-treated core layer and a water vapor humidification composite process, the bonding strength and weather resistance are improved.
It enhances the adhesion between the waterproof and moisture-proof vapor barrier membrane and the tile adhesive, reduces construction wrinkles, and improves the reliability and weather resistance in high-temperature environments.
Smart Images

Figure CN122165736A_ABST