Epoxy resin compositions having a long shelf life

US6562884B1 · kind B1 · utility

Assignee

• Vantico Inc. · US

Inventors

• Qian Tang · Sunnyvale, US
• Gunnar Reitmajer · Glückstadt, DE
• Martin Roth · Hölstein, CH
• Martin Spitzer · Ehrenkirchen, DE
• Philip David Willis · Bishop's Stortford, GB

Key dates

• Filing date: Sep 14, 2001
• Grant date: May 13, 2003
• Expiry date: Sep 14, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L63/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A composition comprising(a) an epoxy resin having, on average, more than one 1,2-epoxy group per molecule,(b) a polyol as epoxy resin curing agent and(c) a solid microgel-amine adduct as accelerator has high latency, good storage stability and a wide processing window.