Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1990-08-30
1992-12-29
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528338, 528340, 528347, C08G 6926
Patent
active
051752387
ABSTRACT:
A polyamide composition comprising the following recurring units: ##STR1## in proportions such that the mole ratio of the dicarboxylic acid moieties in the A, B and C units is about 49.5-0.5/0-20/0.5-49.5 and wherein R is a divalent radical comprising ##STR2## in a mole ratio of about 0.5-50/49.5-0 and preferably having a glass transition temperature of 90.degree. C. or greater and an oxygen transmission rate of about 2.0 cc-mil/100 in.sup.2 -day-atm or less.
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Bulletin by Toyobo Co., Ltd. titled "Toyobo Nylon MXD6".
Lillwitz Lawrence D.
Luetkens, Jr. Melvin L.
Matlack John D.
Newman Bruce A.
Schmidt Gregory E.
Amoco Corporation
Anderson Harold D.
Hensley Stephen L.
Ladd Robert G.
Sroka Frank J.
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