Dow Global Technolgoies LLC

Nebojsa Jelic

Timothy A Morley

Rainer Koeniger

Sergio Grunder

Zeljko Sikman

Rolf Hueppi

Martin R Greaves

Evelyn A Zaugg-Hoozemans

Peter J Cate

Martin Reimers

Sylvie Vervoort

Luca Lotti

Rene P Geiger

Aikaterini Tsoutsoura

Luis G Madrigal

Evelyn Zaugg-Hoozemans

Alkoxylated hydrophobes that include a poly(alkylene oxide) chain of at least 5 oxyalkylene units having a terminal secondary hydroxyl group or a terminal Chydrocarbyl group are effective internal mold release agents for epoxy resin moldings. The alkoxylated hydrophobe, when mixed with an epoxy resin, forms a mixture that is highly stable when heated to 80 to 100&#xb0; C. and held at that temperature for a period of as much as 22 days.

Epoxy resin compositions containing an internal mold release agent

A two-component curable epoxy resin system including a dye solution. The resin system includes an epoxy resin component containing at least 80% by weight of a polyglycidyl ether of a polyphenol. The system also includes a hardener mixture containing mainly polyethylene tetraamines. The system includes triethylene diamine in specific amounts as a catalyst. The system has beneficial curing characteristics with desired color that make it useful for producing fiber-reinforced composites in a resin transfer molding process.

Epoxy resin system for making carbon fiber composites

A curable resin system comprising 1) an epoxy component having a polyglycidyl ether of a polyphenol having an epoxy equivalent weight of up to about 190; and 2) a hardener component comprising polyethylene tetraamine mixture; wherein the epoxy component has a viscosity of less than 9000 mPa&#xb7;s at 25&#xb0; C.

Epoxy resin system

A two-component curable epoxy resin system having an epoxy component containing a unique combination of two or more epoxy resins with at least one of the epoxy resins being an epoxy novolac type resin. The composite made from such resin system exhibits high glass transition temperature.

Fast curing high glass transition temperature epoxy resin system

The invention relates to curable epoxy resin systems comprising polyethylene tetraamine and a tin catalyst as hardening agents, and optionally comprising 1,4-diaza[2.2.2]bicyclo octane. The invention also relates to articles made therefrom, including composites such as carbon fiber reinforced composites. The curable epoxy resins have rapid demold times and/or high glass temperature.

Epoxy systems employing triethylaminetetraamine and tin catalysts

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Wangen, Switzerland

Nebojsa Jelic