CH544782A - Durch Lichteinwirkung abbaubares Styrolharzgemisch - Google Patents
Durch Lichteinwirkung abbaubares StyrolharzgemischInfo
- Publication number
- CH544782A CH544782A CH1245871A CH1245871A CH544782A CH 544782 A CH544782 A CH 544782A CH 1245871 A CH1245871 A CH 1245871A CH 1245871 A CH1245871 A CH 1245871A CH 544782 A CH544782 A CH 544782A
- Authority
- CH
- Switzerland
- Prior art keywords
- degradable
- exposure
- light
- styrene resin
- resin mixture
- Prior art date
Links
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title 2
- 239000000203 mixture Substances 0.000 title 1
- 239000011347 resin Substances 0.000 title 1
- 229920005989 resin Polymers 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- 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
- C08F2/00—Processes of polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/02—Halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
- C08K5/08—Quinones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or 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 an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Emergency Medicine (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7505370A JPS4834374B1 (de) | 1970-08-25 | 1970-08-25 | |
JP10789670A JPS49334B1 (de) | 1970-12-04 | 1970-12-04 | |
JP12694670A JPS491304B1 (de) | 1970-12-28 | 1970-12-28 | |
JP12694770A JPS4915045B1 (de) | 1970-12-28 | 1970-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH544782A true CH544782A (de) | 1973-11-30 |
Family
ID=27465774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1245871A CH544782A (de) | 1970-08-25 | 1971-08-25 | Durch Lichteinwirkung abbaubares Styrolharzgemisch |
Country Status (5)
Country | Link |
---|---|
US (1) | US3864293A (de) |
CH (1) | CH544782A (de) |
DE (1) | DE2142591C3 (de) |
FR (1) | FR2103497B1 (de) |
GB (1) | GB1351676A (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3994855A (en) * | 1972-04-18 | 1976-11-30 | Ab Akerlund & Rausing | Degradable polymer composition and process for preparing the same |
US3968094A (en) * | 1974-11-26 | 1976-07-06 | The United States Of America As Represented By The Secretary Of The Department Of Agriculture | Photodegradable plastics containing haloolefins |
US4132549A (en) * | 1976-11-19 | 1979-01-02 | Gaf Corporation | Imaging system |
DE2942109A1 (de) * | 1979-10-18 | 1981-04-30 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zum herstellen von formkoerpern und schichten aus anorganischen stoffen |
US5216043A (en) * | 1991-12-12 | 1993-06-01 | Minnesota Mining And Manufacturing Company | Degradable thermophastic compositions and blends with naturally biodegradable polymers |
US5518730A (en) * | 1992-06-03 | 1996-05-21 | Fuisz Technologies Ltd. | Biodegradable controlled release flash flow melt-spun delivery system |
US5814404A (en) * | 1994-06-03 | 1998-09-29 | Minnesota Mining And Manufacturing Company | Degradable multilayer melt blown microfibers |
US5679748A (en) * | 1996-04-05 | 1997-10-21 | Exxon Chemical Patents Inc. | Process for oxidative functionalization of polymers containing alkylstyrene |
US6482872B2 (en) * | 1999-04-01 | 2002-11-19 | Programmable Materials, Inc. | Process for manufacturing a biodegradable polymeric composition |
MY174439A (en) * | 2011-09-19 | 2020-04-18 | Petroliam Nasional Berhad Petronas | A degradation agent and method of preparation thereof |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2248512A (en) * | 1939-02-16 | 1941-07-08 | Distillers Co Yeast Ltd | Depolymerization of polystyrene |
US2383922A (en) * | 1942-02-13 | 1945-08-28 | United Gas Improvement Co | Depolymerization of polymers of styrene and ring substituted methyl styrenes |
US2549538A (en) * | 1945-08-25 | 1951-04-17 | Standard Oil Dev Co | Method for depolymerizing polystyrene |
BE496210A (de) * | 1949-06-09 | |||
US2676927A (en) * | 1950-09-11 | 1954-04-27 | Dow Chemical Co | Nonflammable cellular resinous bodies and method of making same |
US2778741A (en) * | 1953-03-02 | 1957-01-22 | Interchem Corp | Elimination of haze from finishes |
US2790734A (en) * | 1954-05-11 | 1957-04-30 | Sherwin Williams Co | Stabilization of nylon threads and fabrics to sunlight |
US3300462A (en) * | 1957-01-29 | 1967-01-24 | Montedison Spa | Process for the depolymerization of styrene polymers |
DE1236198B (de) * | 1962-04-21 | 1967-03-09 | Basf Ag | Verfahren zur Herstellung von Polymerisaten aus olefinisch ungesaettigten Kohlenwasserstoffen |
GB1047482A (de) * | 1963-01-23 | 1900-01-01 | ||
FR1440075A (fr) * | 1965-04-14 | 1966-05-27 | Saint Gobain | Procédé pour l'obtention de perles en polystyrène expansé |
US3454510A (en) * | 1966-03-03 | 1969-07-08 | Eastman Kodak Co | Polyolefin compositions and degradable films made therefrom |
US3554996A (en) * | 1967-04-24 | 1971-01-12 | Dow Chemical Co | Method of making polyolefin metal-organic chelate compositions and the resulting products |
GB1166527A (en) * | 1967-07-07 | 1969-10-08 | Monsanto Chemicals | Foamable Vinylaromatic Polymers |
US3560414A (en) * | 1968-02-09 | 1971-02-02 | Dart Ind Inc | Process for preparing foamable beads |
US3592792A (en) * | 1968-07-24 | 1971-07-13 | Eastman Kodak Co | Agricultural plastic film |
-
1971
- 1971-08-24 US US174557A patent/US3864293A/en not_active Expired - Lifetime
- 1971-08-25 FR FR7130850A patent/FR2103497B1/fr not_active Expired
- 1971-08-25 CH CH1245871A patent/CH544782A/de not_active IP Right Cessation
- 1971-08-25 DE DE2142591A patent/DE2142591C3/de not_active Expired
- 1971-08-25 GB GB3993471A patent/GB1351676A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1351676A (en) | 1974-05-01 |
DE2142591B2 (de) | 1978-05-24 |
US3864293A (en) | 1975-02-04 |
DE2142591A1 (de) | 1972-03-23 |
FR2103497B1 (de) | 1974-09-06 |
DE2142591C3 (de) | 1979-01-18 |
FR2103497A1 (de) | 1972-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |