Production of a block copolymer containing hydrophilic and hydro

Details Production of a block copolymer containing hydrophilic and hydro Production of a block copolymer containing hydrophilic and hydro

1979-09-24

1980-12-30

Lieberman, Paul

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

Synthetic resins

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

525127, 525411, 525412, 525454, 525455, 525920, C08L 7508, C08L 7107, C08F78306

Patent

active

042424747

ABSTRACT:
A block copolymer expressed by the general formula: ##STR1## X.sub.1 is a group derived from the polymerization of .alpha.-substituted acrylic acid hydroxy ester, X.sub.2 is a polyoxyalkylene, R.sub.1 is a divalent hydrocarbon group, R.sub.2 is a hydrogen atom or methyl group, and R.sub.3 is a divalent hydrocarbon-based group.

REFERENCES:
patent: 3291859 (1966-12-01), Tobolsky
patent: 3919351 (1975-11-01), Chang
patent: 4034017 (1977-07-01), Chang
patent: 4072770 (1978-02-01), Ting
patent: 4108840 (1978-08-01), Friedlander
patent: 4111769 (1978-09-01), Stueben
patent: 4129709 (1978-12-01), Lorenz
patent: 4130708 (1978-12-01), Friedhandler
patent: 4188455 (1980-02-01), Howard

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