DE2060571A1 - Verfahren zur Herstellung von thermoreversiblen Koazervaten - Google Patents
Verfahren zur Herstellung von thermoreversiblen KoazervatenInfo
- Publication number
- DE2060571A1 DE2060571A1 DE19702060571 DE2060571A DE2060571A1 DE 2060571 A1 DE2060571 A1 DE 2060571A1 DE 19702060571 DE19702060571 DE 19702060571 DE 2060571 A DE2060571 A DE 2060571A DE 2060571 A1 DE2060571 A1 DE 2060571A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- coacervate
- copolymer
- parts
- coacervates
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000000243 solution Substances 0.000 claims description 56
- 229920001577 copolymer Polymers 0.000 claims description 29
- 238000006116 polymerization reaction Methods 0.000 claims description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 14
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 150000003254 radicals Chemical class 0.000 claims description 2
- 239000003999 initiator Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000000178 monomer Substances 0.000 description 17
- 230000015572 biosynthetic process Effects 0.000 description 16
- 239000012071 phase Substances 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000005191 phase separation Methods 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 5
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 108010010803 Gelatin Proteins 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000008273 gelatin Substances 0.000 description 4
- 229920000159 gelatin Polymers 0.000 description 4
- 235000019322 gelatine Nutrition 0.000 description 4
- 235000011852 gelatine desserts Nutrition 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- 229920000084 Gum arabic Polymers 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 241000978776 Senegalia senegal Species 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000010489 acacia gum Nutrition 0.000 description 2
- 239000000205 acacia gum Substances 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005354 coacervation Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000003094 microcapsule Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 2
- LGJCFVYMIJLQJO-UHFFFAOYSA-N 1-dodecylperoxydodecane Chemical compound CCCCCCCCCCCCOOCCCCCCCCCCCC LGJCFVYMIJLQJO-UHFFFAOYSA-N 0.000 description 1
- KNIUHBNRWZGIQQ-UHFFFAOYSA-N 7-diethoxyphosphinothioyloxy-4-methylchromen-2-one Chemical compound CC1=CC(=O)OC2=CC(OP(=S)(OCC)OCC)=CC=C21 KNIUHBNRWZGIQQ-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- -1 acyl peroxides Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000011953 free-radical catalyst Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 150000003977 halocarboxylic acids Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- VYGBQXDNOUHIBZ-UHFFFAOYSA-L sodium formaldehyde sulphoxylate Chemical compound [Na+].[Na+].O=C.[O-]S[O-] VYGBQXDNOUHIBZ-UHFFFAOYSA-L 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 150000003455 sulfinic acids Chemical class 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
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
- 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
- C08F20/00—Homopolymers and 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
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/52—Amides or imides
- C08F20/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F20/56—Acrylamide; Methacrylamide
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702060571 DE2060571A1 (de) | 1970-12-09 | 1970-12-09 | Verfahren zur Herstellung von thermoreversiblen Koazervaten |
| GB5479471A GB1357973A (en) | 1970-12-09 | 1971-11-25 | Aqueous polymer solutions which undergo thermoreversible coa cervation |
| CA129359A CA931678A (en) | 1970-12-09 | 1971-12-06 | Process for the production of thermoreversible coacervates |
| FR717144296A FR2126983B1 (https=) | 1970-12-09 | 1971-12-09 | |
| BE776457A BE776457A (fr) | 1970-12-09 | 1971-12-09 | Coacervats thermoreversibles et procede de leur preparation |
| US390203A US3891607A (en) | 1970-12-09 | 1973-08-21 | Process for the production of thermoreversible coacervates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702060571 DE2060571A1 (de) | 1970-12-09 | 1970-12-09 | Verfahren zur Herstellung von thermoreversiblen Koazervaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2060571A1 true DE2060571A1 (de) | 1972-06-15 |
Family
ID=5790445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702060571 Pending DE2060571A1 (de) | 1970-12-09 | 1970-12-09 | Verfahren zur Herstellung von thermoreversiblen Koazervaten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3891607A (https=) |
| BE (1) | BE776457A (https=) |
| CA (1) | CA931678A (https=) |
| DE (1) | DE2060571A1 (https=) |
| FR (1) | FR2126983B1 (https=) |
| GB (1) | GB1357973A (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2734577A1 (de) * | 1977-07-30 | 1979-02-08 | Bayer Ag | Polymerloesungen |
| US5432245A (en) * | 1990-04-02 | 1995-07-11 | Eastman Kodak Company | Method of coating thermoreversible heat-thickening polyacrylamides |
| US5779396A (en) * | 1996-10-03 | 1998-07-14 | Cytec Technology Corp. | Processes for conditioning soil with anionic water-soluble polymers |
| US5725779A (en) * | 1996-10-03 | 1998-03-10 | Cytec Technology Corp. | Anionic water-soluble polymer precipitation in salt solution |
| US5889097A (en) * | 1996-10-03 | 1999-03-30 | Cytec Technology Corp. | Anionic water-soluble polymer precipitation in salt solution |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2476527A (en) * | 1944-10-25 | 1949-07-19 | Gen Aniline & Film Corp | Reversible gel composition and method of preparation |
| US2506537A (en) * | 1948-10-22 | 1950-05-02 | Gen Aniline & Film Corp | Reversible gel composition |
| US3332922A (en) * | 1963-05-13 | 1967-07-25 | Calgon Corp | Acrylamide polymers prepared in the presence of a redox catalyst system wherein a constant free-radical concentration is maintained |
| US3658772A (en) * | 1966-10-20 | 1972-04-25 | Dow Chemical Co | Acrylic acid polymers |
-
1970
- 1970-12-09 DE DE19702060571 patent/DE2060571A1/de active Pending
-
1971
- 1971-11-25 GB GB5479471A patent/GB1357973A/en not_active Expired
- 1971-12-06 CA CA129359A patent/CA931678A/en not_active Expired
- 1971-12-09 BE BE776457A patent/BE776457A/xx unknown
- 1971-12-09 FR FR717144296A patent/FR2126983B1/fr not_active Expired
-
1973
- 1973-08-21 US US390203A patent/US3891607A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3891607A (en) | 1975-06-24 |
| FR2126983B1 (https=) | 1973-06-29 |
| FR2126983A1 (https=) | 1972-10-13 |
| CA931678A (en) | 1973-08-07 |
| BE776457A (fr) | 1972-06-09 |
| GB1357973A (en) | 1974-06-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHN | Withdrawal |