FR2224501B1 - - Google Patents
Info
- Publication number
- FR2224501B1 FR2224501B1 FR7400828A FR7400828A FR2224501B1 FR 2224501 B1 FR2224501 B1 FR 2224501B1 FR 7400828 A FR7400828 A FR 7400828A FR 7400828 A FR7400828 A FR 7400828A FR 2224501 B1 FR2224501 B1 FR 2224501B1
- Authority
- FR
- France
- 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
- 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
- C08J9/16—Making expandable particles
- C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
-
- 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
- C08K5/01—Hydrocarbons
-
- 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
-
- 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
- C08J2327/00—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 a halogen; Derivatives of such polymers
- C08J2327/02—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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- 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)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US348179A US3917545A (en) | 1973-04-05 | 1973-04-05 | Photodegradable styrene polymer foams containing a hydrocarbon photosensitizer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2224501A1 FR2224501A1 (fr) | 1974-10-31 |
FR2224501B1 true FR2224501B1 (fr) | 1977-03-04 |
Family
ID=23366936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7400828A Expired FR2224501B1 (fr) | 1973-04-05 | 1974-01-10 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3917545A (fr) |
JP (1) | JPS5076176A (fr) |
CA (1) | CA1015100A (fr) |
DE (1) | DE2362851B2 (fr) |
FR (1) | FR2224501B1 (fr) |
GB (1) | GB1442092A (fr) |
IT (1) | IT1013077B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5518730A (en) * | 1992-06-03 | 1996-05-21 | Fuisz Technologies Ltd. | Biodegradable controlled release flash flow melt-spun delivery system |
BE1025395B1 (nl) * | 2018-10-04 | 2020-04-30 | Tamer Cankurtaranoglu | Isolatieverpakking met biologische EPS Expanded Polystyrene |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE532626A (fr) * | 1953-11-24 | |||
US3798187A (en) * | 1971-06-29 | 1974-03-19 | Sekisui Chemical Co Ltd | Photo-degradable styrene type resin compositions |
US3797690A (en) * | 1971-12-08 | 1974-03-19 | Owens Illinois Inc | Preparation of degradable polymeric material |
US3832312A (en) * | 1973-03-12 | 1974-08-27 | Arco Polymers Inc | Process for making foamed styrene polymers photodegradable |
-
1973
- 1973-04-05 US US348179A patent/US3917545A/en not_active Expired - Lifetime
- 1973-11-30 CA CA187,098A patent/CA1015100A/en not_active Expired
- 1973-12-11 JP JP48138045A patent/JPS5076176A/ja active Pending
- 1973-12-18 DE DE2362851A patent/DE2362851B2/de active Granted
-
1974
- 1974-01-10 FR FR7400828A patent/FR2224501B1/fr not_active Expired
- 1974-03-04 GB GB969474A patent/GB1442092A/en not_active Expired
- 1974-03-27 IT IT49755/74A patent/IT1013077B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS5076176A (fr) | 1975-06-21 |
DE2362851B2 (de) | 1978-07-20 |
DE2362851C3 (fr) | 1979-03-22 |
DE2362851A1 (de) | 1974-10-17 |
US3917545A (en) | 1975-11-04 |
CA1015100A (en) | 1977-08-02 |
GB1442092A (en) | 1976-07-07 |
IT1013077B (it) | 1977-03-30 |
FR2224501A1 (fr) | 1974-10-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |