Title:
水溶液系における水性シリカのスケールの生成及び堆積の阻害方法
Document Type and Number:
Japanese Patent JP2011524248
Kind Code:
A
Abstract:
A method for inhibiting the formation and deposition of silica and silicate compounds in water systems comprising adding to the water in the water system an effective inhibiting amount of one or more water-soluble polymers of formula wherein M is a repeating unit obtained after polymerization of one or more monomers comprising a polymerizable carbon-carbon double bond; r is 0 to about 5 mole percent, s is 100 to about 95 mole percent; R1 is H or C1-C4 alkyl; R2 is a group of formula -(CH2-CHR3-O)n-; R3 is H or CH3, or a mixture thereof; and n is 2 to about 25.
Inventors:
Jill, Jasville, S.
Kidmavi, Slykans, Es.
Fan-Yue, Lou, Frank
Morris, John, Dee.
Kidmavi, Slykans, Es.
Fan-Yue, Lou, Frank
Morris, John, Dee.
Application Number:
JP2011512552A
Publication Date:
September 01, 2011
Filing Date:
May 30, 2009
Export Citation:
Assignee:
NALCO COMPANY
International Classes:
C02F5/10; C02F5/00; C02F5/08; C02F5/14; C09K23/00; C09K23/14; C23F14/02; F28F19/00; F28F19/01
Domestic Patent References:
| JP2004027060A | 2004-01-29 | |||
| JPH05104093A | 1993-04-27 | |||
| JPS5929094A | 1984-02-16 | |||
| JPH08224596A | 1996-09-03 | |||
| JP2004027060A | 2004-01-29 | |||
| JPH05104093A | 1993-04-27 | |||
| JPS5929094A | 1984-02-16 |
Foreign References:
| US5708108A | 1998-01-13 | |||
| US5445758A | 1995-08-29 | |||
| US5708108A | 1998-01-13 | |||
| US4303568A | 1981-12-01 |
Attorney, Agent or Firm:
Noriyuki Yamamoto
Akihiko Yamashita
Kishimoto Tatsuto
Akihiko Yamashita
Kishimoto Tatsuto