GB1418178A - Production of aqueous solutions - Google Patents
Production of aqueous solutionsInfo
- Publication number
- GB1418178A GB1418178A GB1862073A GB1862073A GB1418178A GB 1418178 A GB1418178 A GB 1418178A GB 1862073 A GB1862073 A GB 1862073A GB 1862073 A GB1862073 A GB 1862073A GB 1418178 A GB1418178 A GB 1418178A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polymerization
- vinyl pyrrolidone
- aqueous solutions
- copolymerized
- april
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C08F26/00—Homopolymers and 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 single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F26/06—Homopolymers and 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 single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
- C08F26/10—N-Vinyl-pyrrolidone
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2218935A DE2218935C3 (de) | 1972-04-19 | 1972-04-19 | Verfahren zur Herstellung von wäßrigen Lösungen von N-Vinylpyrrolidonpolymerisaten |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1418178A true GB1418178A (en) | 1975-12-17 |
Family
ID=5842459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1862073A Expired GB1418178A (en) | 1972-04-19 | 1973-04-18 | Production of aqueous solutions |
Country Status (10)
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4190718A (en) * | 1975-05-27 | 1980-02-26 | Gaf Corporation | Process for increasing molecular weight of vinylpyrrolidone polymer |
DE2942657A1 (de) * | 1979-10-22 | 1981-04-30 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von polyvinylpyrrolidon, dessen waessrige loesung eine hohe viskositaet aufweist, durch waermebehandlung von waessrigen loesungen von ueblichem polyvinylpyrrolidon |
US4520179A (en) * | 1982-09-20 | 1985-05-28 | Gaf Corporation | Preparation of vinylpyrrolidone/vinyl acetate copolymers of various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate |
US4520180A (en) * | 1982-09-20 | 1985-05-28 | Gaf Corporation | Polymerization of vinylpyrrolidone to various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate |
US4554312A (en) * | 1982-09-20 | 1985-11-19 | Gaf Corporation | Method of preparing aqueous solutions of polyvinyl-pyrrolidone homopolymer of various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate |
US4554311A (en) * | 1982-09-20 | 1985-11-19 | Gaf Corporation | Method of preparing an aqueous solution comprising vinylpyrrolidone/vinyl acetate copolymers of various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate |
US5080809A (en) * | 1983-01-28 | 1992-01-14 | Phillips Petroleum Company | Polymers useful in the recovery and processing of natural resources |
US5186257A (en) * | 1983-01-28 | 1993-02-16 | Phillips Petroleum Company | Polymers useful in the recovery and processing of natural resources |
IT1164254B (it) * | 1983-05-30 | 1987-04-08 | Luso Farmaco Inst | 3-(3-idrossibutossi)-1-butanolo e suo metodo di preparazione |
CA2079911A1 (en) * | 1990-04-06 | 1991-10-07 | Mohammed Tazi | High molecular weight polyvinylpyrrolidones and method for their preparation |
US5011895A (en) * | 1990-06-04 | 1991-04-30 | Gaf Chemicals Corporation | Precipitation polymerization of copolymers of a vinyl lactam and a polymerizable carboxylic acid using sub-surface feeding |
US5319041A (en) * | 1993-03-26 | 1994-06-07 | Isp Investments Inc. | Process for the preparation of vinylpyrrolidone/vinyl acetate copolymers |
US5510307A (en) * | 1993-04-08 | 1996-04-23 | Isp Investments Inc. | Free radical initiator delivery system |
US5405818A (en) * | 1993-04-08 | 1995-04-11 | Isp Investments Inc. | Free radical initiator delivery system |
US5362698A (en) * | 1993-04-08 | 1994-11-08 | Isp Investments Inc. | Free radical initiator delivery system |
DE19609864A1 (de) * | 1996-03-13 | 1997-09-18 | Basf Ag | Verfahren zur Herstellung von wasserlöslichen Copolymerisaten aus wenigstens einem wasserlöslichen N-Vinyllactam und wenigstens einem hydrophoben Comonomeren |
US6107397A (en) * | 1997-03-24 | 2000-08-22 | Basf Aktiengesellschaft | Aqueous copolymer dispersions of water-soluble monomers with N-vinyl groups and hydrophobic monomers |
DE19727476A1 (de) | 1997-06-27 | 1999-01-07 | Basf Ag | Verfahren zur Herstellung von niedermolekularen Homopolymerisaten des N-Vinylpyrrolidons |
US6075090A (en) * | 1998-12-28 | 2000-06-13 | Eastman Kodak Company | Method of preparing a non-aqueous composite wax particle dispersion |
DE19908184A1 (de) * | 1999-02-25 | 2000-08-31 | Basf Ag | Verfahren zur Herstellung wässriger Dispersionen von Copolymerisaten aus hydrophilen und hydrophoben Monomeren sowie daraus erhältliche Copolymerisate und deren Anwendungen |
DE102004049344A1 (de) * | 2004-10-08 | 2006-04-13 | Basf Ag | Stabilisierung von wässrigen Lösungen von Homo- und Copolymeren des N-Vinylpyrrolidons |
US7449531B2 (en) | 2005-12-23 | 2008-11-11 | Basf Se | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer |
US20070149737A1 (en) * | 2005-12-23 | 2007-06-28 | Basf Aktiengesellschaft | Method of producing water-soluble nonturbid copolymers of at least one water-soluble n-vinyllactam and at least one hydrophobic comonomer |
US7442751B2 (en) | 2005-12-23 | 2008-10-28 | Basf Se | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer |
US7572870B2 (en) | 2005-12-23 | 2009-08-11 | Basf Se | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer |
US7847044B2 (en) | 2005-12-23 | 2010-12-07 | Basf Se | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer by polymerization under increased pressure |
US7572871B2 (en) | 2005-12-23 | 2009-08-11 | Basf Se | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer |
DE102007052412A1 (de) | 2006-11-29 | 2008-06-05 | Basf Se | Verfahren zur Herstellung von wasserlöslichen trübungsfreien Copolymerisaten aus wenigstens einem wasserlöslichen N-Vinyllactam und wenigstens einem hydrophoben Comonomeren |
DE102008022464A1 (de) | 2008-05-07 | 2009-11-12 | Basf Coatings Ag | Kathodischer Elektrotauchlack enthaltend Vinylpyrrolidon-Copolymer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3166525A (en) * | 1959-05-11 | 1965-01-19 | Gen Aniline & Film Corp | Copolymers of n-vinyl-2-pyrrolidones and vinyl esters as emulsions or latices |
US3129210A (en) * | 1960-12-09 | 1964-04-14 | Gen Aniline & Film Corp | Process for polymerizing n-vinyl lactams |
US3479327A (en) * | 1965-11-19 | 1969-11-18 | Gaf Corp | Polymers of vinyl esters and n-vinyl-3-alkyl-lactams |
US3691125A (en) * | 1970-05-04 | 1972-09-12 | Gaf Corp | Stable aqueous emulsions |
-
1972
- 1972-04-19 DE DE2218935A patent/DE2218935C3/de not_active Expired
-
1973
- 1973-04-03 CA CA167,899A patent/CA994024A/en not_active Expired
- 1973-04-04 AU AU54080/73A patent/AU465723B2/en not_active Expired
- 1973-04-05 US US348181A patent/US3862915A/en not_active Expired - Lifetime
- 1973-04-10 AR AR247480A patent/AR194070A1/es active
- 1973-04-13 FR FR7313536A patent/FR2180804B1/fr not_active Expired
- 1973-04-17 ES ES413813A patent/ES413813A1/es not_active Expired
- 1973-04-18 BR BR2843/73A patent/BR7302843D0/pt unknown
- 1973-04-18 GB GB1862073A patent/GB1418178A/en not_active Expired
- 1973-04-19 JP JP4373373A patent/JPS578128B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR7302843D0 (pt) | 1974-07-18 |
JPS578128B2 (US20020095090A1-20020718-M00002.png) | 1982-02-15 |
FR2180804B1 (US20020095090A1-20020718-M00002.png) | 1976-11-12 |
FR2180804A1 (US20020095090A1-20020718-M00002.png) | 1973-11-30 |
DE2218935B2 (de) | 1979-06-07 |
AU5408073A (en) | 1974-10-10 |
AR194070A1 (es) | 1973-06-12 |
AU465723B2 (en) | 1975-10-02 |
US3862915A (en) | 1975-01-28 |
JPS4920291A (US20020095090A1-20020718-M00002.png) | 1974-02-22 |
ES413813A1 (es) | 1976-01-16 |
CA994024A (en) | 1976-07-27 |
DE2218935C3 (de) | 1980-01-31 |
DE2218935A1 (de) | 1973-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |