Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1991-08-09
1993-11-23
Krass, Frederick F.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528122, 528361, 528407, C08G 5950
Patent
active
052645010
ABSTRACT:
This invention pertains to alkyl substituted bi(cyclohexylamine) and derivatives having a high trans,trans-isomer distribution. This isomer distribution represents a thermodynamic mixture of the isomers and provides for extended pot life and extended thermal properties in epoxy resins which are not seen with the kinetic isomer mixture. The bridged cyclohexylamine and derivatives are represented by the formula: ##STR1## wherein; R.sup.1 is hydrogen or C.sub.1-4 alkyl;
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Casey Jeremiah P.
Lucas Peter A.
Vedage Gamini A.
Air Products and Chemicals Inc.
Bongiorno Mary E.
Krass Frederick F.
Marsh William F.
Simmons James C.
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