BR8206282A - Processo para preparacao de um copolimero substancialmente homogeneo de acido(met)acrilico/acido itaconico,copolimero e seu sal,solucao aquosa e processo para impedir a formacao de crosta em agua que contem impurezas formadas de crosta - Google Patents
Processo para preparacao de um copolimero substancialmente homogeneo de acido(met)acrilico/acido itaconico,copolimero e seu sal,solucao aquosa e processo para impedir a formacao de crosta em agua que contem impurezas formadas de crostaInfo
- Publication number
- BR8206282A BR8206282A BR8206282A BR8206282A BR8206282A BR 8206282 A BR8206282 A BR 8206282A BR 8206282 A BR8206282 A BR 8206282A BR 8206282 A BR8206282 A BR 8206282A BR 8206282 A BR8206282 A BR 8206282A
- Authority
- BR
- Brazil
- Prior art keywords
- acid
- water
- copolimer
- met
- salt
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/02—Acids; Metal salts or ammonium salts thereof, e.g. maleic acid or itaconic acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S525/902—Core-shell
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31636581A | 1981-10-29 | 1981-10-29 | |
US06/401,055 US4485223A (en) | 1981-10-29 | 1982-07-22 | (Meth)acrylic acid/itaconic acid copolymers, their preparation and use as antiscalants |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8206282A true BR8206282A (pt) | 1983-09-20 |
Family
ID=26980394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8206282A BR8206282A (pt) | 1981-10-29 | 1982-10-27 | Processo para preparacao de um copolimero substancialmente homogeneo de acido(met)acrilico/acido itaconico,copolimero e seu sal,solucao aquosa e processo para impedir a formacao de crosta em agua que contem impurezas formadas de crosta |
Country Status (6)
Country | Link |
---|---|
US (1) | US4485223A (pt) |
EP (1) | EP0079165B1 (pt) |
BR (1) | BR8206282A (pt) |
DE (1) | DE3262699D1 (pt) |
DK (1) | DK478082A (pt) |
IL (1) | IL67101A0 (pt) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5180790A (en) * | 1983-04-20 | 1993-01-19 | Coatex S.A. | Water soluble complexing agent for metallic cations |
US4622370A (en) * | 1984-05-01 | 1986-11-11 | Diamond Shamrock Chemicals Company | Aqueous drilling fluids containing fluid loss additives |
US4713195A (en) * | 1986-01-30 | 1987-12-15 | Aqua-Chem Inc. | Scale inhibitor |
FR2601030B1 (fr) * | 1986-07-03 | 1989-04-07 | Coatex Sa | Compositions acides a hautes concentrations en matieres actives pour le traitement des eaux et/ou le nettoyage des installations les contenant |
US4762621A (en) * | 1986-11-13 | 1988-08-09 | The B. F. Goodrich Company | Itaconate ester copolymers as scale inhibitors |
US5055540A (en) * | 1990-02-06 | 1991-10-08 | Rohm And Haas Company | Process for efficient molecular weight control in copolymerization |
EP0511850A1 (en) * | 1991-04-30 | 1992-11-04 | Calgon Corporation | Terpolymer of itaconic acid for high PH scale control |
US5268437A (en) * | 1992-01-22 | 1993-12-07 | Rohm And Haas Company | High temperature aqueous polymerization process |
US5177153A (en) * | 1992-06-10 | 1993-01-05 | Xerox Corporation | Suspension polymerization process for the preparation of polymeric material from gaseous and non-gaseous monomers |
US6335404B1 (en) | 1994-04-05 | 2002-01-01 | Rohm And Haas Company | Aqueous process for preparing aqueous weight carboxyl containing polymers |
CA2848661C (en) | 2011-09-14 | 2015-07-07 | Aquasource Technologies Corporation | System and method for water treatment |
WO2014151439A1 (en) * | 2013-03-15 | 2014-09-25 | Lubrizol Advanced Materials, Inc. | Itaconic acid polymers for oral care applications |
WO2014143773A1 (en) * | 2013-03-15 | 2014-09-18 | Lubrizol Advanced Materials, Inc. | Itaconic acid polymers |
WO2015138872A1 (en) | 2014-03-14 | 2015-09-17 | Lubrizol Advanced Materials, Inc. | Itaconic acid polymers and copolymers |
CN112759696B (zh) * | 2020-12-28 | 2022-07-26 | 辽宁恒星精细化工有限公司 | 一种活性染料印花水洗用中和酸的制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE453281A (pt) * | 1942-12-10 | |||
US2783217A (en) * | 1952-11-18 | 1957-02-26 | Kellogg M W Co | Copolymers of a perfluorochloroethylene and a hydrocarbon diene and method for theirmanufacture |
US3308067A (en) * | 1963-04-01 | 1967-03-07 | Procter & Gamble | Polyelectrolyte builders and detergent compositions |
US3366509A (en) * | 1964-05-25 | 1968-01-30 | Pfizer & Co C | Textile process and composition |
FR1480972A (pt) * | 1965-05-28 | 1967-08-09 | ||
JPS4937590B1 (pt) * | 1970-08-28 | 1974-10-09 | ||
GB2054548B (en) * | 1979-06-19 | 1982-12-22 | Sanyo Chemical Ind Ltd | Scale removal |
-
1982
- 1982-07-22 US US06/401,055 patent/US4485223A/en not_active Expired - Fee Related
- 1982-10-26 EP EP82305671A patent/EP0079165B1/en not_active Expired
- 1982-10-26 DE DE8282305671T patent/DE3262699D1/de not_active Expired
- 1982-10-27 BR BR8206282A patent/BR8206282A/pt unknown
- 1982-10-28 IL IL67101A patent/IL67101A0/xx unknown
- 1982-10-28 DK DK478082A patent/DK478082A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0079165B1 (en) | 1985-03-20 |
EP0079165A2 (en) | 1983-05-18 |
EP0079165A3 (en) | 1983-08-31 |
DE3262699D1 (en) | 1985-04-25 |
US4485223A (en) | 1984-11-27 |
IL67101A0 (en) | 1983-02-23 |
DK478082A (da) | 1983-04-30 |
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