Hydantoin polyamide-poly(oxyethylene) block copolymers as antist

Details Hydantoin polyamide-poly(oxyethylene) block copolymers as antist Hydantoin polyamide-poly(oxyethylene) block copolymers as antist

1976-11-29

1977-10-11

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260789, 260857PG, 260857TW, C08L 7700, C08L 9100

Patent

active

040534413

ABSTRACT:
This invention relates to hydantoin polyamide-poly(oxyethylene) block copolymers which have good thermal stability and an increased hydrophilicity of the polyamide blocks, and which can be used as an additive to polyamides, resulting in improved antistatic properties of the polyamides.
The formula for a typical copolymer is: ##STR1## IN WHICH X IS 2 TO 5, Y IS ABOUT 23, AND Z IS 2 TO 3.

REFERENCES:
patent: 3384681 (1968-05-01), Kobayashi
patent: 3514498 (1970-05-01), Okazaki
patent: 3549724 (1970-12-01), Okazaki
patent: 3632666 (1972-01-01), Okazaki
patent: 3636135 (1972-01-01), Garforth
patent: 3839245 (1974-10-01), Schlossman

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