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APCHA AS A BUILDING BLOCK IN CURING AGENT FORMULATIONS FOR STRUCTURAL ADHESIVES
APCHA AS A BUILDING BLOCK IN CURING AGENT FORMULATIONS FOR STRUCTURAL ADHESIVES
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机译:APCHA作为促成结构胶粘剂配方的构建模块
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摘要
The invention relates to structural adhesive compositions and more particularly to two-component (2K) structural adhesive compositions. The two components chemically react to bond structural surfaces. N-(3-Aminopropyl)cyclohexylamine (APCHA) has been found to be an improved curing agent for use with epoxy resins in 2K adhesive compositions. APHCA exhibits favorable features including viscosity, pot life and reactivity, and adhesive and thermal performance after curing with epoxy resin. These features and its unique chemistry allow the use of APCHA in curing agent formulations for structural adhesives, in particular wind turbine blade adhesives. APCHA solves issues with viscosity build-up, working time, through-cure, compatibility and adhesive performance that cannot be addressed with the commonly used amine formulations.
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