发明授权
- 专利标题: Compatibility agent for aqueous polypigmentary suspensions containing hydrated calcium sulfate
- 专利标题(中): 含有水合硫酸钙的水性聚氨酯悬浮剂的兼容剂
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申请号: US418869申请日: 1989-10-10
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公开(公告)号: US5109090A公开(公告)日: 1992-04-28
- 发明人: Jacques Mongoin , Georges Ravet , Jean-Marc Suau
- 申请人: Jacques Mongoin , Georges Ravet , Jean-Marc Suau
- 申请人地址: FRX Caluire
- 专利权人: Coatex S.A.
- 当前专利权人: Coatex S.A.
- 当前专利权人地址: FRX Caluire
- 优先权: FRX8813511 19881010
- 主分类号: B01F17/52
- IPC分类号: B01F17/52 ; B01J13/00 ; C01F11/46 ; C08F6/00 ; C08F6/02 ; C08F20/04 ; C08F30/02 ; C08F220/04 ; C08L43/00 ; C08L43/02 ; C09C1/02 ; D21H19/44 ; D21H19/58
摘要:
Copolymers having the general formula: ##STR1## are useful as compatibility, dispersion and grinding agents for aqueous pigmentary suspensions formulated from a mixture of mineral pigments, at least one of which is hydrated calcium sulfate. These suspensions are useful in papermaking.
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