Maleic anhydride copolymer

Details Maleic anhydride copolymer Maleic anhydride copolymer

1991-07-15

1994-08-09

Schofer, Joseph L.

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

Synthetic resins

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

526272, 526335, 5263488, C08F22206, C08F23604, C08F21000

Patent

active

053367278

ABSTRACT:
A maleic anhydride copolymer comprising maleic anhydride units (I), conjugated diene units (II) and aliphatic monoolefin units (III) is provided. This copolymer has a weight-average molecular weight of from 500 to 50000. The molar ratio of unit (I)/(unit (II)+unit (III)) ranges from 30/70 to 90/10 and the molar ratio of unit (II)/unit (III) ranges from 5/95 to 90/10. A hydrolyzed product of the copolymer or a water-soluble maleic acid copolymer is also provided. The hydrolyzed product is advantageously used for scale inhibitors, dispersants for calcium carbonate or admixtures for cement and conctrete.

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English Language abstract of JP 53-20475.
English Language abstract of JP 53-29998.
English Language abstract of JP 53-70089.
English Language abstract of JP 60-71093.
English Language abstract of JP 60-99334.
English Language abstract of JP 62-132730.
Patent Abstracts of Japan, Abstract of JP-A 60-71093 (Nippon Zeon K.K.).

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