JPS638892B2 - - Google Patents
Info
- Publication number
- JPS638892B2 JPS638892B2 JP58026224A JP2622483A JPS638892B2 JP S638892 B2 JPS638892 B2 JP S638892B2 JP 58026224 A JP58026224 A JP 58026224A JP 2622483 A JP2622483 A JP 2622483A JP S638892 B2 JPS638892 B2 JP S638892B2
- Authority
- JP
- Japan
- Prior art keywords
- foaming
- foam
- molded body
- foamed
- high frequency
- 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
- 238000005187 foaming Methods 0.000 claims description 43
- 239000006260 foam Substances 0.000 claims description 26
- 229920005992 thermoplastic resin Polymers 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 2
- 239000011342 resin composition Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 23
- 238000010438 heat treatment Methods 0.000 description 11
- 239000004088 foaming agent Substances 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920005670 poly(ethylene-vinyl chloride) Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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
- B29C44/56—After-treatment of articles, e.g. for altering the shape
-
- 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
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58026224A JPS59152827A (ja) | 1983-02-21 | 1983-02-21 | 発泡体の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58026224A JPS59152827A (ja) | 1983-02-21 | 1983-02-21 | 発泡体の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59152827A JPS59152827A (ja) | 1984-08-31 |
JPS638892B2 true JPS638892B2 (de) | 1988-02-25 |
Family
ID=12187405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58026224A Granted JPS59152827A (ja) | 1983-02-21 | 1983-02-21 | 発泡体の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59152827A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0725123B2 (ja) * | 1986-08-04 | 1995-03-22 | ダウ化工株式会社 | スチレン系樹脂発泡体の製造方法 |
JPH0431024A (ja) * | 1990-05-29 | 1992-02-03 | Toray Ind Inc | 微多孔質シートの製造法 |
-
1983
- 1983-02-21 JP JP58026224A patent/JPS59152827A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59152827A (ja) | 1984-08-31 |
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