JIANGSU BOTE NEW MATERIALS CO., LTD
Nanjing, CN CN
JIANGSU BOTE NEW MATERIALS CO., LTD Patent applications | ||
Patent application number | Title | Published |
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20130102749 | Preparation method of hyperbranched polycarboxylic acid type copolymer cement dispersant - 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, R | 04-25-2013 |