아미노 실란 커플링제

실란 커플링제는 무기 기재와 유기 수지를 잇는 분자 수준의 브리지입니다. One end of the molecule — the alkoxy groups — hydrolyzes and bonds to mineral surfaces such as glass, metal, and concrete, while the other end reacts with or hydrogen-bonds to the binder. Amino silanes are the broad-spectrum members of that family. Here the reactive end is an amine, which couples to epoxy, polyurethane, acrylic, and phenolic resins — so aminopropyl grades are the default adhesion promoter before the resin system is chosen.

The trade-off with amino silanes is honest. The same free amine that bonds to almost any resin can yellow under heat or UV and can shorten pot life in amine-sensitive systems. Aminopropyltriethoxysilane (APTES, CAS 919-30-2) is the workhorse; its trimethoxy analog APTMS (CAS 13822-56-5) hydrolyzes faster, which helps in waterborne primers but cuts bath stability. Specify the ethoxy grade where pot life matters and the methoxy grade where fast bond development is the priority.

For tougher adhesion, the diamine grades carry a second nitrogen. N-(2-aminoethyl)-3-aminopropyltrimethoxysilane (CAS 1760-24-3) offers more reactive sites per molecule and is preferred on difficult mineral fillers and metals. Where a system is fully waterborne, pre-hydrolyzed (3-aminopropyl)silanetriol (CAS 58160-99-9) ships as a water-stable solution and avoids the alcohol release of alkoxy grades. Match the backbone to the substrate and the cure, not to a single default.

• 유리, 금속, 무기질 기재에 유기 도막을 접착시키는 접착 증진제 및 프라이머
• 에폭시 및 폴리우레탄 방식 도료용 가교제 및 접착 증진제
• 분산성과 습윤성을 높이기 위한 무기 충전제 및 안료의 표면 처리
• 습윤 강도 유지를 위한 유리섬유 사이징 및 복합재 계면
• 사전 가수분해 아미노실란 용액을 사용하는 수성 프라이머 시스템

• 3-Aminopropyltriethoxysilane (APTES) — PubChem
• 3-Aminopropyltrimethoxysilane (APTMS) — PubChem
• N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane — PubChem
• (3-Aminopropyl)silanetriol — PubChem
• 아미노에틸아미노 실란 — PubChem