FR1532472A - Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom - Google Patents
Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefromInfo
- Publication number
- FR1532472A FR1532472A FR108054A FR108054A FR1532472A FR 1532472 A FR1532472 A FR 1532472A FR 108054 A FR108054 A FR 108054A FR 108054 A FR108054 A FR 108054A FR 1532472 A FR1532472 A FR 1532472A
- Authority
- FR
- France
- Prior art keywords
- foams
- extrusion
- preparation
- vinyl chloride
- resulting therefrom
- 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.)
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR108054A FR1532472A (en) | 1967-05-26 | 1967-05-26 | Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom |
NL6806934.A NL155756B (en) | 1967-05-26 | 1968-05-16 | PROCESS FOR THE MANUFACTURE OF FOAM ARTICLES BASED ON POLYMERS OR COPOLYMERS OF VINYL CHLORIDE. |
DE1778630A DE1778630C2 (en) | 1967-05-26 | 1968-05-17 | Process for the production of unplaced polymeric or copolymeric foams |
GB1226422D GB1226422A (en) | 1967-05-26 | 1968-05-21 | |
BE715660D BE715660A (en) | 1967-05-26 | 1968-05-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR108054A FR1532472A (en) | 1967-05-26 | 1967-05-26 | Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1532472A true FR1532472A (en) | 1968-07-12 |
Family
ID=8631725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR108054A Expired FR1532472A (en) | 1967-05-26 | 1967-05-26 | Process for the preparation of foams of unplasticized polymer or copolymer compositions, based on vinyl chloride, by extrusion, and foams of low densities resulting therefrom |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE715660A (en) |
DE (1) | DE1778630C2 (en) |
FR (1) | FR1532472A (en) |
GB (1) | GB1226422A (en) |
NL (1) | NL155756B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1517463A (en) * | 1975-03-25 | 1978-07-12 | Asahi Dow Ltd | Extrusion foamed article and process for producing the same |
GB2366795A (en) * | 2000-09-13 | 2002-03-20 | Procter & Gamble | Preparation of a foam component by extrusion |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1261670B (en) * | 1957-08-19 | 1968-02-22 | Gruenzweig & Hartmann | Process for the continuous production of cell bodies from polymers of vinyl chloride or vinyl aromatic monomers |
NL300591A (en) * | 1963-11-05 | |||
FR1461398A (en) * | 1965-05-19 | 1966-02-25 | Pechiney Saint Gobain | Turntable extrusion machine for working with high polymers |
-
1967
- 1967-05-26 FR FR108054A patent/FR1532472A/en not_active Expired
-
1968
- 1968-05-16 NL NL6806934.A patent/NL155756B/en unknown
- 1968-05-17 DE DE1778630A patent/DE1778630C2/en not_active Expired
- 1968-05-21 GB GB1226422D patent/GB1226422A/en not_active Expired
- 1968-05-24 BE BE715660D patent/BE715660A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL6806934A (en) | 1968-11-27 |
DE1778630B1 (en) | 1974-03-28 |
BE715660A (en) | 1968-11-25 |
NL155756B (en) | 1978-02-15 |
DE1778630C2 (en) | 1974-10-31 |
GB1226422A (en) | 1971-03-31 |
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