期刊
ACS APPLIED POLYMER MATERIALS
卷 -, 期 -, 页码 -出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsapm.2c02018
关键词
biomimicry; marine adhesives; coacervation; underwater adhesive; curable
Coacervation of poly(propylene oxide) and tannic acid, driven by hydrogen bonding, creates a tacky viscous material with strong underwater adhesion on various surfaces. By designing a two-component system, this adhesive can cure underwater through amine-epoxide reactions, providing both commercial competitiveness and waterproof bonding.
Coacervation of poly(propylene oxide) and tannic acid, driven by hydrogen bonding, renders a tacky viscous material that provides an underwater adhesion strength of similar to 350-550 kPa on aluminum substrates and also can bond other wet surfaces such as glass, metal, plastic, and porcelain. A curing functionality is achieved by designing a two-component system, using epoxidized poly(propylene oxide)/tannic acid coacervate as part A and amine-terminated poly(propylene oxide) as part B. Aside from underwater bonding, this adhesive can cure underwater through amine-epoxide reactions providing a commercially competitive and waterproof bonding.
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