Title:
【発明の名称】ポリアクリル酸の製造方法
Document Type and Number:
Japanese Patent JP3013263
Kind Code:
B2
Abstract:
The invention relates to a process for producing polyacrylic acids and copolymers of acrylic acid with up to 50 mol-% of comonomers. These compounds have a molecular weight of less than 100,000, measured at a pH-value of 8, and 10 to 60 mol-% are neutralized with calcium hydroxide. The invention also relates to the use of these products as grinding and dispersing aids for calcium carbonate.
Inventors:
Landscheid, Alphonse
Gebauer, Andreas
Gebauer, Andreas
Application Number:
JP50397591A
Publication Date:
February 28, 2000
Filing Date:
February 15, 1991
Export Citation:
Assignee:
Hemische Fabrik Stockhausen G.M.B.H.
International Classes:
C08F8/44; C08F20/06; C08F20/26; C08F20/52; C08F220/04; C08F220/06; C08F220/28; C08F220/42; C08F220/44; C08F220/56; C08F220/58; C09D17/00; C09K23/52; (IPC1-7): C08F220/06; C08F8/44
Domestic Patent References:
| JP5947264A |
Attorney, Agent or Firm:
Muneharu Sasaki (3 outside)