Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Patent
1985-08-23
1989-03-28
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
528 76, 528 78, 528 79, 528 80, 528 82, 528 83, 528 84, 528 85, C08G 1810, C08G 1832
Patent
active
048165433
ABSTRACT:
This invention relates to improved polyurethane systems prepared by reacting an organic polyisocyanate with a hydroxyl containing compound, the improvement comprising utilizing mono tertiary-alkyltoluenediamine where the tertiary-alkyl group is ortho to an amine group as a chain extender or component thereof. The ortho-tertiary-butyltoluenediamine isomer is particular effective for use in reaction injection molding of polyurethanes and can be formulated with polyol as a chain extender mix.
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European Patent Application, Publication No. 0069286, published Jan. 12, 1983, applicant BASF A/G, Federal Republic of Germany.
Burgoyne, Jr. William F.
Casey Jeremiah P.
Dixon Dale D.
Milligan Barton
Air Products and Chemicals Inc.
Anderson Harold D.
Daley Dennis R.
Gourley Keith D.
Marsh William F.
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