ZA743940B - Preventing discoloration in hydrolyzed ethylene-vinyl acetate copolymers - Google Patents
Preventing discoloration in hydrolyzed ethylene-vinyl acetate copolymersInfo
- Publication number
- ZA743940B ZA743940B ZA00743940A ZA743940A ZA743940B ZA 743940 B ZA743940 B ZA 743940B ZA 00743940 A ZA00743940 A ZA 00743940A ZA 743940 A ZA743940 A ZA 743940A ZA 743940 B ZA743940 B ZA 743940B
- Authority
- ZA
- South Africa
- Prior art keywords
- vinyl acetate
- acetate copolymers
- preventing discoloration
- hydrolyzed ethylene
- hydrolyzed
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/12—Hydrolysis
-
- 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
- C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
- C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
-
- 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
- C08F2810/00—Chemical modification of a polymer
- C08F2810/50—Chemical modification of a polymer wherein the polymer is a copolymer and the modification is taking place only on one or more of the monomers present in minority
Landscapes
- Chemical & Material Sciences (AREA)
- General 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)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US377997A US3882005A (en) | 1973-07-10 | 1973-07-10 | Process for preventing discoloration in hydrolyzed ethylene-vinyl acetate copolymers by exposure to radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA743940B true ZA743940B (en) | 1975-06-25 |
Family
ID=23491317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00743940A ZA743940B (en) | 1973-07-10 | 1974-06-19 | Preventing discoloration in hydrolyzed ethylene-vinyl acetate copolymers |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3882005A (it) |
| JP (1) | JPS5043148A (it) |
| AT (1) | ATA565974A (it) |
| AU (1) | AU7032674A (it) |
| BE (1) | BE817504A (it) |
| BR (1) | BR7405675D0 (it) |
| DE (1) | DE2433188A1 (it) |
| ES (1) | ES428136A1 (it) |
| FI (1) | FI207174A (it) |
| FR (1) | FR2236878B1 (it) |
| GB (1) | GB1477386A (it) |
| IT (1) | IT1015787B (it) |
| NL (1) | NL7409334A (it) |
| NO (1) | NO742239L (it) |
| SE (1) | SE7409043L (it) |
| SU (1) | SU589928A3 (it) |
| ZA (1) | ZA743940B (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU563185B2 (en) * | 1981-05-29 | 1987-07-02 | Capsulated Systems Inc. | Hydrolyzed ethylene-vinyl ester polymers |
| US4618649A (en) * | 1983-06-03 | 1986-10-21 | Minnesota Mining And Manufacturing Company | Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) |
| US4694037A (en) * | 1983-06-03 | 1987-09-15 | Minnesota Mining And Manufacturing Company | Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol) |
| EP0363813B1 (en) * | 1988-10-06 | 1994-02-16 | Showa Denko Kabushiki Kaisha | Terpolymer and transparent laminate having excellent optical properties |
| US5147702A (en) * | 1989-10-26 | 1992-09-15 | Juuro Aoyagi | Seal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2785118A (en) * | 1954-08-30 | 1957-03-12 | Gen Aniline & Film Corp | Decolorizing solutions of polymeric nu-vinyl lactams |
| US3496150A (en) * | 1968-03-22 | 1970-02-17 | Procter & Gamble | Photochemical bleaching of polymaleate homopolymers and copolymers |
| FR2034002A5 (en) * | 1969-02-06 | 1970-12-04 | Du Pont | Irradiation of ethylene vinylacetatecopolymers to produce w - copolymers to produce wax additives |
| GB1441986A (en) * | 1972-09-25 | 1976-07-07 | Nat Distillers Chemical Corp | Process for the accelerated alcoholysis of ehtylenevinyl ester interpolymers in the solid phase |
-
1973
- 1973-07-10 US US377997A patent/US3882005A/en not_active Expired - Lifetime
-
1974
- 1974-06-19 ZA ZA00743940A patent/ZA743940B/xx unknown
- 1974-06-19 GB GB2723874A patent/GB1477386A/en not_active Expired
- 1974-06-19 NO NO742239A patent/NO742239L/no unknown
- 1974-06-20 AU AU70326/74A patent/AU7032674A/en not_active Expired
- 1974-07-05 FI FI2071/74A patent/FI207174A/fi unknown
- 1974-07-09 AT AT565974A patent/ATA565974A/de not_active Application Discontinuation
- 1974-07-09 SE SE7409043A patent/SE7409043L/xx unknown
- 1974-07-09 SU SU742043318A patent/SU589928A3/ru active
- 1974-07-09 FR FR7423857A patent/FR2236878B1/fr not_active Expired
- 1974-07-09 IT IT24963/74A patent/IT1015787B/it active
- 1974-07-10 DE DE2433188A patent/DE2433188A1/de active Pending
- 1974-07-10 ES ES428136A patent/ES428136A1/es not_active Expired
- 1974-07-10 JP JP49078350A patent/JPS5043148A/ja active Pending
- 1974-07-10 BE BE146436A patent/BE817504A/xx unknown
- 1974-07-10 NL NL7409334A patent/NL7409334A/xx unknown
- 1974-07-10 BR BR5675/74A patent/BR7405675D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5043148A (it) | 1975-04-18 |
| DE2433188A1 (de) | 1975-02-06 |
| BR7405675D0 (pt) | 1975-05-20 |
| SE7409043L (it) | 1975-01-13 |
| FR2236878A1 (it) | 1975-02-07 |
| GB1477386A (en) | 1977-06-22 |
| NO742239L (it) | 1975-02-03 |
| ES428136A1 (es) | 1976-07-16 |
| AU7032674A (en) | 1976-01-08 |
| SU589928A3 (ru) | 1978-01-25 |
| FI207174A (it) | 1975-01-11 |
| US3882005A (en) | 1975-05-06 |
| FR2236878B1 (it) | 1978-01-20 |
| NL7409334A (nl) | 1975-01-14 |
| IT1015787B (it) | 1977-05-20 |
| ATA565974A (de) | 1976-12-15 |
| BE817504A (fr) | 1974-11-04 |
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