Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1987-01-02
1988-03-29
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528 70, 528 84, 528340, 528348, C08G 6926, C08G 6932
Patent
active
047344865
ABSTRACT:
Polyamide polymers are made by reacting fluorinated xylylene diamine or the corresponding isocyanate derivatives with polycarboxylic moieties such as anhydrides or acid chlorides. The polymers thus formed may be cast into films having superior impermiability to gases and moisture.
REFERENCES:
patent: 3446845 (1969-05-01), Gale
Anderson Harold D.
ICI Americas Inc.
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