CH618189A5 - - Google Patents
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- Publication number
- CH618189A5 CH618189A5 CH1412774A CH1412774A CH618189A5 CH 618189 A5 CH618189 A5 CH 618189A5 CH 1412774 A CH1412774 A CH 1412774A CH 1412774 A CH1412774 A CH 1412774A CH 618189 A5 CH618189 A5 CH 618189A5
- Authority
- CH
- Switzerland
- Prior art keywords
- polymers
- process according
- reaction
- carried out
- alpha
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 6
- ZSTBZBURMWJKSQ-UHFFFAOYSA-N 2-diazonio-1-phenylethenolate Chemical compound N#[N+]C=C([O-])C1=CC=CC=C1 ZSTBZBURMWJKSQ-UHFFFAOYSA-N 0.000 claims description 3
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 2
- 239000002841 Lewis acid Substances 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 229920006237 degradable polymer Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 150000007517 lewis acids Chemical class 0.000 claims description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 229920000891 common polymer Polymers 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- BUZYGTVTZYSBCU-UHFFFAOYSA-N 1-(4-chlorophenyl)ethanone Chemical compound CC(=O)C1=CC=C(Cl)C=C1 BUZYGTVTZYSBCU-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 150000008062 acetophenones Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- FIAPRFVULRVTAN-UHFFFAOYSA-N carbon monoxide;styrene Chemical compound O=[C].C=CC1=CC=CC=C1 FIAPRFVULRVTAN-UHFFFAOYSA-N 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001576 syndiotactic polymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229940117958 vinyl acetate Drugs 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
-
- 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
- Y10S260/00—Chemistry of carbon compounds
- Y10S260/43—Promoting degradability of polymers
-
- 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
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/914—Polymer degradation
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)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT30483/73A IT998904B (it) | 1973-10-24 | 1973-10-24 | Procedimento per rendere degrada bili i polimeri e i polimeri cosi ottenuti |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH618189A5 true CH618189A5 (cs) | 1980-07-15 |
Family
ID=11229811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1412774A CH618189A5 (cs) | 1973-10-24 | 1974-10-22 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3976621A (cs) |
| JP (1) | JPS5541603B2 (cs) |
| BE (1) | BE821131A (cs) |
| CA (1) | CA1036742A (cs) |
| CH (1) | CH618189A5 (cs) |
| FR (1) | FR2249096B1 (cs) |
| GB (1) | GB1472809A (cs) |
| IT (1) | IT998904B (cs) |
| LU (1) | LU71107A1 (cs) |
| NL (1) | NL165184C (cs) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1123619B (it) * | 1976-11-11 | 1986-04-30 | Anic Spa | Processo per la produzione di polimeri contenenti gruppi amminici liberi o salificati e gruppi ammonici quaternari,e prodotti relativi |
| JPS58144086U (ja) * | 1982-03-25 | 1983-09-28 | 株式会社ボッシュオートモーティブ システム | 圧縮機のピストン |
| JPH064832B2 (ja) * | 1984-10-05 | 1994-01-19 | 三井石油化学工業株式会社 | 重合体用接着剤 |
| US5219930A (en) * | 1990-09-21 | 1993-06-15 | Quantum Chemical Corporation | Process for converting vinyl alcohol polymers to poly(keto-esters) therefrom |
| EP2320962A2 (en) * | 2008-07-31 | 2011-05-18 | Boston Scientific Scimed, Inc. | Medical devices for therapeutic agent delivery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB489343A (en) * | 1937-01-21 | 1938-07-21 | Ig Farbenindustrie Ag | Manufacture of condensation products |
| US2474095A (en) * | 1944-11-27 | 1949-06-21 | Du Pont | Production of polyvinyl ketals |
| BE589629A (cs) * | 1959-04-20 | |||
| BE600674A (cs) * | 1960-02-29 |
-
1973
- 1973-10-24 IT IT30483/73A patent/IT998904B/it active
-
1974
- 1974-10-10 GB GB4403774A patent/GB1472809A/en not_active Expired
- 1974-10-15 LU LU71107A patent/LU71107A1/xx unknown
- 1974-10-16 BE BE149584A patent/BE821131A/xx not_active IP Right Cessation
- 1974-10-17 FR FR7434906A patent/FR2249096B1/fr not_active Expired
- 1974-10-21 NL NL7413781.A patent/NL165184C/xx not_active IP Right Cessation
- 1974-10-22 CH CH1412774A patent/CH618189A5/it not_active IP Right Cessation
- 1974-10-23 CA CA212,099A patent/CA1036742A/en not_active Expired
- 1974-10-23 JP JP12152874A patent/JPS5541603B2/ja not_active Expired
- 1974-10-24 US US05/517,755 patent/US3976621A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5541603B2 (cs) | 1980-10-25 |
| JPS5073993A (cs) | 1975-06-18 |
| NL165184B (nl) | 1980-10-15 |
| US3976621A (en) | 1976-08-24 |
| NL7413781A (nl) | 1975-04-28 |
| CA1036742A (en) | 1978-08-15 |
| GB1472809A (en) | 1977-05-11 |
| FR2249096A1 (cs) | 1975-05-23 |
| BE821131A (fr) | 1975-02-17 |
| LU71107A1 (cs) | 1975-04-17 |
| DE2450398B2 (de) | 1977-04-28 |
| DE2450398A1 (de) | 1975-05-07 |
| NL165184C (nl) | 1981-03-16 |
| FR2249096B1 (cs) | 1979-03-16 |
| IT998904B (it) | 1976-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: ANIC S.P.A. |
|
| PL | Patent ceased | ||
| PL | Patent ceased |