SG16693G - Acrylic acid/2-acrylamido-2-methylpropylsulphonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers and their use as scale and corrosion inhibitors - Google Patents
Acrylic acid/2-acrylamido-2-methylpropylsulphonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers and their use as scale and corrosion inhibitorsInfo
- Publication number
- SG16693G SG16693G SG16693A SG16693A SG16693G SG 16693 G SG16693 G SG 16693G SG 16693 A SG16693 A SG 16693A SG 16693 A SG16693 A SG 16693A SG 16693 G SG16693 G SG 16693G
- Authority
- SG
- Singapore
- Prior art keywords
- acrylamido
- acid
- scale
- methylpropylsulphonic
- corrosion inhibitors
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/173—Macromolecular compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/770,458 US4650591A (en) | 1985-08-29 | 1985-08-29 | Acrylic acid/2-acrylamido-2-methylpropylsulfonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers as scale and corrosion inhibitors |
US77107985A | 1985-08-30 | 1985-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG16693G true SG16693G (en) | 1993-04-16 |
Family
ID=27118314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG16693A SG16693G (en) | 1985-08-29 | 1993-02-12 | Acrylic acid/2-acrylamido-2-methylpropylsulphonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers and their use as scale and corrosion inhibitors |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0218351B1 (de) |
DE (1) | DE3682361D1 (de) |
HK (1) | HK54693A (de) |
SG (1) | SG16693G (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ230686A (en) * | 1988-09-26 | 1991-11-26 | Calgon Corp | Inhibiting sulphide attack on carbon steels with a water-soluble polymer |
US5124047A (en) * | 1990-11-01 | 1992-06-23 | W. R. Grace & Co.-Conn. | Method of inhibiting scale deposits |
US5091491A (en) * | 1990-11-01 | 1992-02-25 | W. R. Grace & Co.-Conn. | Water-soluble allylphosphonate copolymers |
CN103665263B (zh) * | 2012-09-20 | 2016-12-28 | 中国石油化工股份有限公司 | 一种含膦酸基聚合物及其应用和含膦酸基聚合物钻井液降粘剂 |
CN115028768A (zh) * | 2022-07-27 | 2022-09-09 | 山东诺尔生物科技有限公司 | 一种海水循环冷却水结垢抑制剂及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3326391A1 (de) * | 1983-07-22 | 1985-01-31 | Cassella Ag, 6000 Frankfurt | Phosphonsaeuregruppen enthaltende polymerisate, ihre herstellung und ihre verwendung |
-
1986
- 1986-08-26 EP EP19860306589 patent/EP0218351B1/de not_active Expired
- 1986-08-26 DE DE8686306589T patent/DE3682361D1/de not_active Expired - Fee Related
-
1993
- 1993-02-12 SG SG16693A patent/SG16693G/en unknown
- 1993-06-03 HK HK54693A patent/HK54693A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE3682361D1 (de) | 1991-12-12 |
EP0218351A3 (en) | 1988-01-27 |
EP0218351B1 (de) | 1991-11-06 |
EP0218351A2 (de) | 1987-04-15 |
HK54693A (en) | 1993-06-11 |
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