JPS53124575A - Manufacture of polyolefin foam - Google Patents
Manufacture of polyolefin foamInfo
- Publication number
- JPS53124575A JPS53124575A JP4062977A JP4062977A JPS53124575A JP S53124575 A JPS53124575 A JP S53124575A JP 4062977 A JP4062977 A JP 4062977A JP 4062977 A JP4062977 A JP 4062977A JP S53124575 A JPS53124575 A JP S53124575A
- Authority
- JP
- Japan
- Prior art keywords
- manufacture
- polyolefin foam
- resin
- foam
- polyolefin resin
- 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.)
- Pending
Links
- 239000006260 foam Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 229920000098 polyolefin Polymers 0.000 title 1
- 229920005672 polyolefin resin Polymers 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
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
- 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
- B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
-
- 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
- B29C44/505—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 extruding the compound through a flat die
-
- 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
- B29C44/507—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 extruding the compound through an annular die
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
PURPOSE:To extrude and foam a polyolefin resin stably without forming unfoamed resin blocks, by passing a molten polyolefin resin in an extruder through a wire mesh provided in the resin path between the screw tip and the die opening.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4062977A JPS53124575A (en) | 1977-04-07 | 1977-04-07 | Manufacture of polyolefin foam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4062977A JPS53124575A (en) | 1977-04-07 | 1977-04-07 | Manufacture of polyolefin foam |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53124575A true JPS53124575A (en) | 1978-10-31 |
Family
ID=12585826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4062977A Pending JPS53124575A (en) | 1977-04-07 | 1977-04-07 | Manufacture of polyolefin foam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53124575A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60224519A (en) * | 1984-04-20 | 1985-11-08 | Kanegafuchi Chem Ind Co Ltd | Manufacturing of thermoplastic resin foaming body |
WO1996000644A1 (en) * | 1994-06-28 | 1996-01-11 | Bayer Aktiengesellschaft | Method and device for the production of foam using carbon dioxide dissolved under pressure |
WO1996002377A1 (en) * | 1994-07-18 | 1996-02-01 | Bayer Aktiengesellschaft | Process and device for preparing foam using carbon dioxide dissolved under pressure |
WO1996002376A1 (en) * | 1994-07-18 | 1996-02-01 | Bayer Aktiengesellschaft | Process and device for preparing foam using carbon dioxide dissolved under pressure |
-
1977
- 1977-04-07 JP JP4062977A patent/JPS53124575A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60224519A (en) * | 1984-04-20 | 1985-11-08 | Kanegafuchi Chem Ind Co Ltd | Manufacturing of thermoplastic resin foaming body |
JPH0526647B2 (en) * | 1984-04-20 | 1993-04-16 | Kanegafuchi Chemical Ind | |
WO1996000644A1 (en) * | 1994-06-28 | 1996-01-11 | Bayer Aktiengesellschaft | Method and device for the production of foam using carbon dioxide dissolved under pressure |
WO1996002377A1 (en) * | 1994-07-18 | 1996-02-01 | Bayer Aktiengesellschaft | Process and device for preparing foam using carbon dioxide dissolved under pressure |
WO1996002376A1 (en) * | 1994-07-18 | 1996-02-01 | Bayer Aktiengesellschaft | Process and device for preparing foam using carbon dioxide dissolved under pressure |
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