Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1992-07-10
1995-01-03
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
427421, 427422, 427435, 528310, 528322, 528338, 528339, 5283393, 528340, C08G 6926, C08G 7310, B32B 2700
Patent
active
053787986
ABSTRACT:
Disclosed are polyamides which are the reaction product of (A) an acid component of which 15-99 wt. % comprises one or more saturated or unsaturated dibasic C.sub.28 -C.sub.44 carboxylic acid, 1-50 wt. % comprises one or more saturated or unsaturated monobasic C.sub.14 -C.sub.22 carboxylic acid, another 1-50 wt. % comprises one or more saturated or unsaturated C.sub.2 -C.sub.22 carboxylic acids, and optionally polybasic C.sub.2 -C.sub.14 and tribasic C.sub.42 -C.sub.66 carboxylic acids, and (B) an amine component of which 10-90 wt. % comprises diethylene triamine and/or one or more C.sub.2 -C.sub.6 alkylene diamines, and 10-90 wt. % comprises a poly(oxyalkylene) diamine whose molecular weight is 500-2000. The polyamides are solid at room temperature and fluid at elevated temperature so as to be capable of application as a protective coating to a substrate such as metal.
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Acquah Samuel A.
Hampton-Hightower P.
Shell Oil Company
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