FI80282B - Anvaendning av akrylpolymer foer inhibering av uppkomsten av partikelformigt material eller som dispergeringsmedel i vattensystem. - Google Patents
Anvaendning av akrylpolymer foer inhibering av uppkomsten av partikelformigt material eller som dispergeringsmedel i vattensystem. Download PDFInfo
- Publication number
- FI80282B FI80282B FI841495A FI841495A FI80282B FI 80282 B FI80282 B FI 80282B FI 841495 A FI841495 A FI 841495A FI 841495 A FI841495 A FI 841495A FI 80282 B FI80282 B FI 80282B
- Authority
- FI
- Finland
- Prior art keywords
- acrylic acid
- copolymer
- copolymers
- precipitation
- molecular weight
- 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
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- 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
- 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
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Colloid Chemistry (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processing Of Solid Wastes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Paper (AREA)
- Glanulating (AREA)
- Stringed Musical Instruments (AREA)
- Graft Or Block Polymers (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Claims (8)
1. Användning av en vattenlöslig kopolymer omfattande 30-70 vikt-% akrylsyraenheter och 70-30 vikt-% metakrylsyra-enheter och med en genomsnittlig molekylvikt av 2000-5000 för motverkande av uppkomsten av partikelformigt material i ett vattensystem och/eller för dispergering av partikelformigt material som ingär i ett vattensystem.
2. Användning enligt patentkravet 1 för motverkande av utfällning och/eller avlagring av oorganiska salter som ästadkommer förstening, säsom kalcium- och/eller magnesium-salter.
3. Användning enligt patentkravet 1 eller 2 för motverkande av utfällning av nämnda ämne.
4. Användning enligt patentkravet 1 eller 2 för dispergering av partikelformigt material som utfällts i ett vattensystem.
5. Användning enligt patentkravet 1 för dispergering av dy-, slam- och/eller lerpartiklar som är suspenderade i ett vattensystam.
6. Användning enligt nägot av patentkraven 1-5 i ett kylvattensystem, i en boiler, i ett oijeborrningshäl eller i ett tvättmaskin.
7. Användning av en polymer enligt patentkravet 6 i ett kylvattensystem i koncentration av 1-50 ppm.
8. Användning enligt patentkravet 1 för dispergering av kalciumkarbonat eller kaolin i vattenslam sora lämpligast innehäller ätminstone 60 vikt-% av nägotdera ämne.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48556083A | 1983-04-15 | 1983-04-15 | |
US48556083 | 1983-04-15 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI841495A0 FI841495A0 (fi) | 1984-04-13 |
FI841495A FI841495A (fi) | 1984-10-16 |
FI80282B true FI80282B (fi) | 1990-01-31 |
FI80282C FI80282C (sv) | 1990-05-10 |
Family
ID=23928625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI841495A FI80282C (sv) | 1983-04-15 | 1984-04-13 | Användning av akrylpolymer för inhibering av uppkomsten av partikelfor migt material eller som dispergeringsmedel i vattensystem |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0122789B2 (sv) |
JP (1) | JPS59199100A (sv) |
AT (1) | ATE23544T1 (sv) |
AU (1) | AU575818B2 (sv) |
BR (1) | BR8401722A (sv) |
CA (1) | CA1217691A (sv) |
DE (1) | DE3461285D1 (sv) |
DK (1) | DK192684A (sv) |
FI (1) | FI80282C (sv) |
MX (3) | MX167367B (sv) |
NO (1) | NO161796C (sv) |
ZA (1) | ZA842783B (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1233938A (en) * | 1984-04-19 | 1988-03-08 | Calgon Corporation | Copolymers of carboxylic monomer and betaine- containing monomer |
JPH0669558B2 (ja) * | 1986-03-14 | 1994-09-07 | 株式会社片山化学工業研究所 | 高炉排ガス集塵水の処理方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2205822A (en) | 1937-11-10 | 1940-06-25 | Gen Motors Corp | Coil retainer |
US2783200A (en) | 1951-11-03 | 1957-02-26 | Dearborn Chemicals Co | Sludge conditioning and dispersing agents for boiler water treatment |
US3085916A (en) | 1961-10-16 | 1963-04-16 | Zimmie | Method of removing and preventing accumulation in cooling systems |
US3293152A (en) | 1962-08-20 | 1966-12-20 | Commw Scient Ind Res Org | Method for preventing scale deposition |
DE1642817A1 (de) * | 1967-02-23 | 1971-04-29 | Dow Chemical Co | Polymeres Flockungsmittel fuer alkalische,waessrige Loesungen |
US3579455A (en) | 1968-08-02 | 1971-05-18 | Grace W R & Co | Machine dishwashing compositions containing sodium polyacrylate |
US3578589A (en) * | 1969-03-17 | 1971-05-11 | Grace W R & Co | Method for treating cooling water |
US3699048A (en) | 1969-07-24 | 1972-10-17 | Benckiser Gmbh Joh A | Process of preventing scale and deposit formation in aqueous systems and product |
US3663448A (en) | 1970-09-25 | 1972-05-16 | Calgon Corp | Inhibiting scale deposition |
US3780208A (en) * | 1972-06-05 | 1973-12-18 | Moore & Co Samuel | Composite hose having a grounding wire enclosed in a sleeve and wrapped about the core tube of the hose |
US3766077A (en) | 1972-08-16 | 1973-10-16 | Chemed Corp | Compositions and method for inhibiting scaling in aqueous systems |
FR2198106A1 (en) | 1972-09-04 | 1974-03-29 | Rhone Progil | Corrosion and scale prevention in cooling systems - using phosphates, zinc salts and acrylic polymers |
US4008164A (en) * | 1974-03-21 | 1977-02-15 | Nalco Chemical Company | Process for scale inhibition |
US4004939A (en) | 1974-03-29 | 1977-01-25 | Uniroyal Inc. | Bisulfite terminated oligomers as dispersing agents |
CA1057943A (en) | 1974-09-18 | 1979-07-10 | Alfred W. Oberhofer | Multipurpose additive for automotive cooling systems |
US4029577A (en) * | 1975-11-17 | 1977-06-14 | Betz Laboratories, Inc. | Polymers for use in water treatment |
DE2643422A1 (de) | 1976-09-21 | 1978-03-30 | Kurita Water Ind Ltd | Wasserbehandlungsmittel und verfahren zur behandlung von wasser |
CA1097555A (en) * | 1976-10-01 | 1981-03-17 | James D. Watson | Polymeric scale inhibitors |
CA1114595A (en) | 1979-04-02 | 1981-12-22 | Joseph J. Schuck | Corrosion inhibitor treatment for boiler water |
US4303568A (en) | 1979-12-10 | 1981-12-01 | Betz Laboratories, Inc. | Corrosion inhibition treatments and method |
-
1984
- 1984-04-02 CA CA000451086A patent/CA1217691A/en not_active Expired
- 1984-04-12 MX MX200993A patent/MX167367B/es unknown
- 1984-04-12 AU AU26784/84A patent/AU575818B2/en not_active Expired
- 1984-04-12 NO NO841455A patent/NO161796C/no unknown
- 1984-04-13 DK DK192684A patent/DK192684A/da not_active Application Discontinuation
- 1984-04-13 EP EP84302529A patent/EP0122789B2/en not_active Expired - Lifetime
- 1984-04-13 FI FI841495A patent/FI80282C/sv not_active IP Right Cessation
- 1984-04-13 DE DE8484302529T patent/DE3461285D1/de not_active Expired
- 1984-04-13 BR BR8401722A patent/BR8401722A/pt not_active IP Right Cessation
- 1984-04-13 ZA ZA842783A patent/ZA842783B/xx unknown
- 1984-04-13 AT AT84302529T patent/ATE23544T1/de not_active IP Right Cessation
- 1984-04-16 JP JP59076425A patent/JPS59199100A/ja active Pending
-
1991
- 1991-10-24 MX MX9101751A patent/MX9101751A/es unknown
- 1991-10-24 MX MX9101750A patent/MX9101750A/es unknown
Also Published As
Publication number | Publication date |
---|---|
NO841455L (no) | 1984-10-16 |
BR8401722A (pt) | 1984-11-20 |
EP0122789B2 (en) | 1993-05-26 |
CA1217691A (en) | 1987-02-10 |
DE3461285D1 (en) | 1987-01-02 |
AU575818B2 (en) | 1988-08-11 |
MX9101750A (es) | 1994-01-31 |
ATE23544T1 (de) | 1986-11-15 |
DK192684A (da) | 1984-10-16 |
MX167367B (es) | 1993-03-17 |
FI841495A (fi) | 1984-10-16 |
NO161796B (no) | 1989-06-19 |
EP0122789B1 (en) | 1986-11-12 |
NO161796C (no) | 1989-09-27 |
EP0122789A1 (en) | 1984-10-24 |
MX9101751A (es) | 1994-01-31 |
JPS59199100A (ja) | 1984-11-12 |
FI80282C (sv) | 1990-05-10 |
DK192684D0 (da) | 1984-04-13 |
AU2678484A (en) | 1984-10-18 |
FI841495A0 (fi) | 1984-04-13 |
ZA842783B (en) | 1985-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |
Owner name: ROHM AND HAAS CO |