DE3762955D1 - Verfahren zur verringerung der dichte einer aus thermoplastischem harz extrudierten schaumplatte. - Google Patents
Verfahren zur verringerung der dichte einer aus thermoplastischem harz extrudierten schaumplatte.Info
- Publication number
- DE3762955D1 DE3762955D1 DE8787115045T DE3762955T DE3762955D1 DE 3762955 D1 DE3762955 D1 DE 3762955D1 DE 8787115045 T DE8787115045 T DE 8787115045T DE 3762955 T DE3762955 T DE 3762955T DE 3762955 D1 DE3762955 D1 DE 3762955D1
- Authority
- DE
- Germany
- Prior art keywords
- density
- reducing
- thermoplastic resin
- foam sheet
- sheet extruded
- 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 - Fee Related
Links
Classifications
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
-
- 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
- C08J9/12—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 by a physical blowing agent
- C08J9/127—Mixtures of organic and inorganic blowing agents
-
- 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
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
-
- 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
- C08J9/22—After-treatment of expandable particles; Forming foamed products
-
- 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
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8614882A FR2605638B1 (fr) | 1986-10-27 | 1986-10-27 | Procede pour diminuer la densite d'un panneau extrude en materiau mousse de resine thermoplastique et dispositif pour sa mise en oeuvre |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3762955D1 true DE3762955D1 (de) | 1990-07-05 |
Family
ID=9340214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787115045T Expired - Fee Related DE3762955D1 (de) | 1986-10-27 | 1987-10-15 | Verfahren zur verringerung der dichte einer aus thermoplastischem harz extrudierten schaumplatte. |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0268805B1 (de) |
JP (1) | JPH0815743B2 (de) |
KR (1) | KR910002478B1 (de) |
AU (1) | AU595388B2 (de) |
BR (1) | BR8705700A (de) |
CA (1) | CA1292347C (de) |
DE (1) | DE3762955D1 (de) |
ES (1) | ES2016321B3 (de) |
FR (1) | FR2605638B1 (de) |
GR (1) | GR3000522T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0671756B2 (ja) * | 1988-09-30 | 1994-09-14 | 積水化成品工業株式会社 | スチレン系樹脂板状発泡体の製造方法 |
US5234640A (en) * | 1990-02-16 | 1993-08-10 | Sekisui Kaseihin Kogyo Kabushiki Kaisha | Process of producing thermoplastic polyester series resin foamed |
EP0513408B1 (de) * | 1991-05-10 | 1997-12-29 | Sekisui Kaseihin Kogyo Kabushiki Kaisha | Lederähnliche thermoplastische Polyesterschaumstofffolie und Herstellungsverfahren |
CA2042340A1 (en) * | 1991-05-10 | 1992-11-11 | Motoshige Hayashi | Leather-like thermoplastic polyester series resin sheet and process for production of the same |
JP2005239742A (ja) * | 2004-02-13 | 2005-09-08 | Jsp Corp | ポリスチレン系樹脂発泡板成形体、断熱材および装飾板 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3119147A (en) * | 1961-08-21 | 1964-01-28 | Koppers Co Inc | Apparatus for producing flexible styrene polymers |
GB1051398A (de) * | 1965-01-12 | 1966-12-14 | ||
GB1073813A (en) * | 1965-08-09 | 1967-06-28 | Swedish Crucible Steel Company | Method and apparatus for rendering polystyrene sheet material flexible |
US3381077A (en) * | 1966-01-26 | 1968-04-30 | Du Pont | Method for inflating closed cell foams |
GB1151117A (en) * | 1967-08-11 | 1969-05-07 | Watchwell Ltd | Treatment of Polystyrene. |
JPS5699635A (en) * | 1980-01-14 | 1981-08-11 | Sekisui Plastics Co Ltd | Preparation of styrene resin foam plate of large thickness |
-
1986
- 1986-10-27 FR FR8614882A patent/FR2605638B1/fr not_active Expired
-
1987
- 1987-10-01 CA CA000548318A patent/CA1292347C/en not_active Expired - Lifetime
- 1987-10-15 DE DE8787115045T patent/DE3762955D1/de not_active Expired - Fee Related
- 1987-10-15 EP EP87115045A patent/EP0268805B1/de not_active Expired - Lifetime
- 1987-10-15 ES ES87115045T patent/ES2016321B3/es not_active Expired - Lifetime
- 1987-10-16 AU AU79835/87A patent/AU595388B2/en not_active Ceased
- 1987-10-23 BR BR8705700A patent/BR8705700A/pt not_active IP Right Cessation
- 1987-10-26 JP JP62268351A patent/JPH0815743B2/ja not_active Expired - Lifetime
- 1987-10-26 KR KR1019870011860A patent/KR910002478B1/ko not_active IP Right Cessation
-
1990
- 1990-05-31 GR GR90400280T patent/GR3000522T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
KR880004929A (ko) | 1988-06-27 |
FR2605638A1 (fr) | 1988-04-29 |
EP0268805B1 (de) | 1990-05-30 |
ES2016321B3 (es) | 1990-11-01 |
AU595388B2 (en) | 1990-03-29 |
CA1292347C (en) | 1991-11-26 |
AU7983587A (en) | 1988-04-28 |
KR910002478B1 (ko) | 1991-04-23 |
FR2605638B1 (fr) | 1989-09-08 |
JPS63159034A (ja) | 1988-07-01 |
GR3000522T3 (en) | 1991-07-31 |
BR8705700A (pt) | 1988-05-31 |
EP0268805A1 (de) | 1988-06-01 |
JPH0815743B2 (ja) | 1996-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |