Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1996-04-12
1997-06-17
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
525523, 528121, 528124, C08G 5950
Patent
active
056398484
ABSTRACT:
An ungelled thermoplastic resin having gas barrier properties and containing at least 7 percent by weight of amine nitrogen is derived via the reaction of a polyamine devoid of oxyalkylene moieties and containing up to about two primary amino nitrogen groups per molecule and a polyepoxide in a molar ratio of polyamine to polyepoxide of from 1.4:1 to 0.83:1.
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Niederst Ken W.
Nugent, Jr. Richard M.
Seiner Jerome A.
Millman Dennis G.
PPG Industries Inc.
Sellers Robert E.
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