Water soluble copolymer method for manufacture therefore and use

Details Water soluble copolymer method for manufacture therefore and use Water soluble copolymer method for manufacture therefore and use

1984-05-25

1985-02-19

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526287, 526317, 526332, 526333, C08F22004

Patent

active

045006938

ABSTRACT:
A water-soluble copolymer useful for scale inhibitor and pigment dispersant, comprising 50 to 99.5 mol % of repeating units represented by the general formula I: ##STR1## wherein, R.sup.1 denotes a hydrogen atom or methyl group and X a hydrogen atom, alkali metal atom, alkaline earth metal atom, ammonium group, or organic amine group and 50 to 0.5 mol % of repeating units represented by the general formula II: ##STR2## wherein, p denotes an integer of the value of 1 to 4, q and r independently denote 0 or an integer of the value of 0 to 100, R.sup.2 and R.sup.3 independently denote an alkylene group of 2 to 4 carbon atoms, and Y and Z independently denote a hydroxyl group, an alkoxy group of 1 to 4 carbon atoms, a monovalent phosphoric acid group or an alkali metal salt, alkaline earth metal salt, ammonium salt, or organic amine salt thereof or a mono- or di-ester thereof with an alkyl of 1 to 4 carbon atoms, a monovalent sulfonic acid group or an alkali metal salt, alkaline earth metal salt, ammonium salt, or organic amine salt thereof or an ester thereof with an alkyl of 1 to 4 carbon atoms.

REFERENCES:
patent: 4267103 (1981-05-01), Cohen

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