Preparation method of hyperbranched polycarboxylic acid containing copolymer cement dispersant

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United States of America Patent

PATENT NO 9175122
APP PUB NO 20130102749A1
SERIAL NO

13807723

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Abstract

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The present invention provides a preparation method of hyperbranched polycarboxylic acid type copolymer cement dispersant, including: Monomer A, B and C undergo a free radical copolymerization in an aqueous medium. The molar ratio of Monomer A, Monomer B and Monomer C conforms to B/A−A−2−10 and C/(A+B−C)−0.02−0.08. Monomer A is expressed by General Formula (1), where, R1 is H or a methyl; X1═O, CH2O, CH2CH2O; m is an integer from 5 to 200.

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Patent OwnerAddress
SOBUTE NEW MATERIALS CO LTD211100 NO 118 LIQUAN ROAD JIANGNING DISTRICT NANJING CITY JIANGSU PROVINCE NANJING CITY JIANGSU PROVINCE 211100

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Jianping Nanjing, CN 43 91
Mao, Yonglin Nanjing, CN 1 1
Miao, Changwen Nanjing, CN 2 1
Qiao, Min Nanjing, CN 13 43
Ran, Qianping Nanjing, CN 14 7
Yang, Yong Nanjing, CN 636 3335
Zhou, Dongliang Nanjing, CN 8 3

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