Adducts of polyamide and perfluoro-dicarboxylic acid

Details Adducts of polyamide and perfluoro-dicarboxylic acid Adducts of polyamide and perfluoro-dicarboxylic acid

1980-08-25

1982-12-07

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

521 61, 525419, 528486, C08G 6946, C08G 6948

Patent

active

043628516

ABSTRACT:
Crystalline adducts of the polyamides: poly-e-caproamide, poly(hexamethylene adipamide), poly-p-benzamide, poly(p-benzanilidene terephthalamide), and mixtures thereof; with the perfluorinated diacids: perfluorosuccinic acid, perfluoroglutaric acid, perfluoroadipic acid, and mixtures thereof. The polyamide components of the adducts contain at least 25 about amide groups in the polymer chain, preferably at least 75 amide groups for aliphatic polyamides and at least 50 amide groups for aromatic polyamides. The adducts can be formed into shaped objects from which diacid can be leached to produce a porous object useful for example as a filtration device.

REFERENCES:
patent: 2951777 (1960-09-01), Zimmerman
patent: 3081281 (1963-03-01), Beghin
patent: 3454351 (1969-07-01), Perry
patent: 3839530 (1974-10-01), Bingham et al.
patent: 4218549 (1980-08-01), Jadamus et al.
Journal of Applied Polymer Science, vol. 21, No. 1 (Jan., 1977), pp. 181-189.

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