SE8300868L - Terpolymerer av maleinsyraanhydrid och deras anvendning for forhindrande av pannstensbildning - Google Patents
Terpolymerer av maleinsyraanhydrid och deras anvendning for forhindrande av pannstensbildningInfo
- Publication number
- SE8300868L SE8300868L SE8300868A SE8300868A SE8300868L SE 8300868 L SE8300868 L SE 8300868L SE 8300868 A SE8300868 A SE 8300868A SE 8300868 A SE8300868 A SE 8300868A SE 8300868 L SE8300868 L SE 8300868L
- Authority
- SE
- Sweden
- Prior art keywords
- mol
- water
- carbon atoms
- concentration
- terpolymer
- Prior art date
Links
Classifications
-
- 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
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- 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
- C02F5/12—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 nitrogen
-
- 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
- C08F222/04—Anhydrides, e.g. cyclic anhydrides
- C08F222/06—Maleic anhydride
-
- 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
- Y10S159/00—Concentrating evaporators
- Y10S159/13—Scale
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material 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)
- Polymerisation Methods In General (AREA)
Abstract
Patentkrav 1. satt at forhindra pannstensbildning vid upp hettning eller avsaltning av vatten innehallande pann stensbildande fororeningar, kannetecknat av att man sammanblandar vattnet med den hydrolyserade formen av en terpolymer med nedan angivna sammansattni g eller ett alkalimetall- eller ammoniumsalt darav i en koncentration av minst ca 2 delar per miljon, varvid terpolymeren, vasentligen bestar av 30-55 molprocent maleinsyraanhydrid, 30-65 molprocent akrylamid eller metakrylamid och 5-15 molprocent av en tredje monomer, corn utgars av styren,sC-metylstyren, alkylakrylat, alkylmetakrylat med 1-8 kolatomer i alkylgruppen eller 1 1-alken med 4-10 kolatomer, och hat en relativ viskositet av mellan ca 1,02 och ca 1,10 i dimetylsulfoxid vid en koncentration av 0,5 g per deciliter och en loslighet av mindre an 0,10 g per gram ldsning (vatten) vid rumstempetatur.
Claims (1)
1. satt at forhindra pannstensbildning vid upp hettning eller avsaltning av vatten innehallande pann stensbildande fororeningar, kannetecknat av att man sammanblandar vattnet med den hydrolyserade formen av en terpolymer med nedan angivna sammansattni g eller ett alkalimetall- eller ammoniumsalt darav i en koncentration av minst ca 2 delar per miljon, varvid terpolymeren, vasentligen bestar av 30-55 molprocent maleinsyraanhydrid, 30-65 molprocent akrylamid eller metakrylamid och 5-15 molprocent av en tredje monomer, corn utgars av styren,sC-metylstyren, alkylakrylat, alkylmetakrylat med 1-8 kolatomer i alkylgruppen eller 1 1-alken med 4-10 kolatomer, och hat en relativ viskositet av mellan ca 1,02 och ca 1,10 i dimetylsulfoxid vid en koncentration av 0,5 g per deciliter och en loslighet av mindre an 0,10 g per gram ldsning (vatten) vid rumstempetatur.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/780,483 US4065607A (en) | 1977-03-23 | 1977-03-23 | Terpolymers of maleic anhydride and their use as scale control agents |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8300868L true SE8300868L (sv) | 1983-02-16 |
SE8300868D0 SE8300868D0 (sv) | 1983-02-16 |
SE442628B SE442628B (sv) | 1986-01-20 |
Family
ID=25119713
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7803350A SE438864B (sv) | 1977-03-23 | 1978-03-22 | Terpolymer av maleinsyraanhydrid, akrylamid eller metakrylamid och en tredje monomer samt sett att framstella terpolymeren |
SE8300867A SE453297B (sv) | 1977-03-23 | 1983-02-16 | Sampolymerer av maleinsyraanhydrid och akryl- eller metakrylamid samt sett for framstellning derav |
SE8300868A SE442628B (sv) | 1977-03-23 | 1983-02-16 | Sett att forhindra pannstensbildning vid upphettning eller avsaltning av vatten |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7803350A SE438864B (sv) | 1977-03-23 | 1978-03-22 | Terpolymer av maleinsyraanhydrid, akrylamid eller metakrylamid och en tredje monomer samt sett att framstella terpolymeren |
SE8300867A SE453297B (sv) | 1977-03-23 | 1983-02-16 | Sampolymerer av maleinsyraanhydrid och akryl- eller metakrylamid samt sett for framstellning derav |
Country Status (22)
Country | Link |
---|---|
US (1) | US4065607A (sv) |
JP (3) | JPS5920685B2 (sv) |
BE (1) | BE865181A (sv) |
BR (1) | BR7801765A (sv) |
CH (1) | CH630395A5 (sv) |
DE (1) | DE2812584C2 (sv) |
DK (1) | DK152369C (sv) |
EG (1) | EG13363A (sv) |
ES (2) | ES466452A1 (sv) |
FI (1) | FI65075C (sv) |
FR (1) | FR2384821B1 (sv) |
GB (1) | GB1581802A (sv) |
HK (1) | HK1783A (sv) |
IE (1) | IE46587B1 (sv) |
IL (1) | IL54317A0 (sv) |
IT (1) | IT1093667B (sv) |
LU (1) | LU79281A1 (sv) |
MX (1) | MX149367A (sv) |
MY (1) | MY8300232A (sv) |
NL (1) | NL166479C (sv) |
PT (1) | PT67793A (sv) |
SE (3) | SE438864B (sv) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4126549A (en) * | 1973-02-14 | 1978-11-21 | Ciba-Geigy (Uk) Limited | Treatment of water |
US4166041A (en) * | 1977-12-15 | 1979-08-28 | American Cyanamid Company | Process for magnesium scale control using mixtures of polycationic and polyanionic polymers |
US4166040A (en) * | 1977-12-15 | 1979-08-28 | American Cyanamid Company | Compositions comprising mixtures of polycationic and polyanionic polymers as magnesium scale control agents |
US4425469A (en) * | 1980-09-08 | 1984-01-10 | Rohm And Haas Company | Polyacrylamide flow modifier-adsorber |
DE3171337D1 (en) * | 1980-12-06 | 1985-08-14 | Cole Polymers Ltd | Preservation of structures |
JPS59210913A (ja) * | 1984-04-06 | 1984-11-29 | Kao Corp | マレイン酸塩共重合体の製造法 |
US4566978A (en) * | 1984-05-21 | 1986-01-28 | Pfizer Inc. | High temperature drilling fluids |
US4602067A (en) * | 1984-05-21 | 1986-07-22 | Pfizer Inc. | High temperature drilling fluids |
JPH0811237B2 (ja) * | 1984-07-13 | 1996-02-07 | モンサント コンパニー | マレエート重合体によるスケール形成の抑制法 |
GB8506615D0 (en) * | 1985-03-14 | 1985-04-17 | British Petroleum Co Plc | Scale inhibitors |
US4668412A (en) * | 1985-06-27 | 1987-05-26 | Texaco Inc. | Lubricating oil containing dispersant VII and pour depressant |
US4744893A (en) * | 1985-08-28 | 1988-05-17 | American Cyanamid Company | Polymeric sulfide mineral depressants |
GB2181735A (en) * | 1985-10-16 | 1987-04-29 | Kao Corp | Maleic acid polymer for use as scale inhibitor |
US4927746A (en) * | 1988-06-03 | 1990-05-22 | Eastman Kodak Company | Photographic stabilizing bath containing polyarcylic acid |
IT1236966B (it) * | 1989-10-25 | 1993-05-07 | Ausidet Srl | Processo per la produzione di soluzioni acquose di agenti anti-incro- stazione e soluzioni cosi' ottenute |
GB9005440D0 (en) * | 1990-03-10 | 1990-05-09 | Ciba Geigy Ag | Composition |
US5164468A (en) * | 1990-09-05 | 1992-11-17 | The Standard Oil Company | Polymers derived from α, β-unsaturated polycarboxylic acids or anhydrides and n-substituted acrylamides, and use in reducing scale |
US5703174A (en) * | 1995-06-21 | 1997-12-30 | W. R. Grace & Co.-Conn. | Air controlling superplasticizers |
CN1190384C (zh) * | 1997-01-21 | 2005-02-23 | 格雷斯公司 | 乳化的梳形聚合物和消泡剂组合物及其制备方法 |
AU5002300A (en) * | 1999-07-07 | 2001-01-30 | Isp Investments Inc. | Crosslinked cationic microgels, process for making same and hair care compositions therewith |
JP4296570B2 (ja) | 2003-12-08 | 2009-07-15 | 日本光電工業株式会社 | バイタルテレメータ |
CN110511313A (zh) * | 2019-08-13 | 2019-11-29 | 北京化工大学 | 一种丙烯酰胺类单体多元共聚物微球的制备方法 |
CN114149538B (zh) * | 2022-01-13 | 2023-04-07 | 陕西科技大学 | 一种离子搭桥耐盐聚合物稠化剂及其制备方法和应用 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2565147A (en) * | 1948-12-22 | 1951-08-21 | Quaker Chemical Products Corp | Process for hydrolyzing copolymers of maleic acid derivatives |
US2921928A (en) * | 1957-11-29 | 1960-01-19 | Monsanto Chemicals | Preparation of copolymer diamides |
US3015653A (en) * | 1958-01-06 | 1962-01-02 | Diamond Alkali Co | Maleic anhydride-styrene-acrylonitrile terpolymer |
US3359246A (en) * | 1965-01-28 | 1967-12-19 | Procter & Gamble | Process for making poly |
US3516910A (en) * | 1967-05-12 | 1970-06-23 | Grace W R & Co | Removing and inhibiting scale in black liquor evaporators |
DE1908290C3 (de) * | 1969-02-19 | 1982-04-08 | Boehringer Mannheim Gmbh, 6800 Mannheim | Acrylamid-mischpolymerisat |
GB1369429A (en) * | 1970-11-30 | 1974-10-09 | Ciba Geigy Ag | Treatment of water or aqueous systems |
US3715307A (en) * | 1971-06-24 | 1973-02-06 | Economics Lab | Treatment of water used in heat transfer equipment |
US3755264A (en) * | 1971-07-30 | 1973-08-28 | Amicon Corp | Maleic anhydride copolymers and method of making |
GB1374270A (en) * | 1971-12-10 | 1974-11-20 | Ciba Geigy Ag | Polymaleic anhydride compositions and their use |
GB1414918A (en) * | 1973-02-14 | 1975-11-19 | Ciba Geigy Uk Ltd | Treatment of water to prevent the deposition of scale |
US3965027A (en) * | 1974-03-11 | 1976-06-22 | Calgon Corporation | Scale inhibition and corrosion inhibition |
-
1977
- 1977-03-23 US US05/780,483 patent/US4065607A/en not_active Expired - Lifetime
-
1978
- 1978-01-25 EG EG50/78A patent/EG13363A/xx active
- 1978-01-28 ES ES466452A patent/ES466452A1/es not_active Expired
- 1978-01-31 MX MX172255A patent/MX149367A/es unknown
- 1978-03-12 FR FR7808305A patent/FR2384821B1/fr not_active Expired
- 1978-03-20 PT PT67793A patent/PT67793A/pt unknown
- 1978-03-21 IE IE560/78A patent/IE46587B1/en unknown
- 1978-03-21 GB GB11093/78A patent/GB1581802A/en not_active Expired
- 1978-03-21 CH CH310178A patent/CH630395A5/fr not_active IP Right Cessation
- 1978-03-21 LU LU79281A patent/LU79281A1/xx unknown
- 1978-03-21 IT IT21438/78A patent/IT1093667B/it active
- 1978-03-21 IL IL54317A patent/IL54317A0/xx not_active IP Right Cessation
- 1978-03-22 JP JP53032836A patent/JPS5920685B2/ja not_active Expired
- 1978-03-22 NL NL7803078.A patent/NL166479C/xx not_active IP Right Cessation
- 1978-03-22 SE SE7803350A patent/SE438864B/sv not_active IP Right Cessation
- 1978-03-22 BR BR7801765A patent/BR7801765A/pt unknown
- 1978-03-22 BE BE186172A patent/BE865181A/xx not_active IP Right Cessation
- 1978-03-22 FI FI780899A patent/FI65075C/fi not_active IP Right Cessation
- 1978-03-22 DK DK131678A patent/DK152369C/da not_active IP Right Cessation
- 1978-03-22 DE DE2812584A patent/DE2812584C2/de not_active Expired
- 1978-05-05 ES ES469515A patent/ES469515A1/es not_active Expired
-
1979
- 1979-09-28 JP JP12521279A patent/JPS55127415A/ja active Granted
-
1983
- 1983-01-13 HK HK17/83A patent/HK1783A/xx unknown
- 1983-02-16 SE SE8300867A patent/SE453297B/sv not_active IP Right Cessation
- 1983-02-16 SE SE8300868A patent/SE442628B/sv not_active IP Right Cessation
- 1983-11-21 JP JP58219325A patent/JPS59130598A/ja active Granted
- 1983-12-30 MY MY232/83A patent/MY8300232A/xx unknown
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Legal Events
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NUG | Patent has lapsed |
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