JPS57177031A - Styrene resin sheet for forming - Google Patents
Styrene resin sheet for formingInfo
- Publication number
- JPS57177031A JPS57177031A JP6207181A JP6207181A JPS57177031A JP S57177031 A JPS57177031 A JP S57177031A JP 6207181 A JP6207181 A JP 6207181A JP 6207181 A JP6207181 A JP 6207181A JP S57177031 A JPS57177031 A JP S57177031A
- Authority
- JP
- Japan
- Prior art keywords
- styrene resin
- resin sheet
- sheet
- rubber
- forming
- 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.)
- Granted
Links
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: To prepare the titled resin sheet having specific expansion ratio, thickness and folding endurance, and suitable for the manufacturing of a food container having excellent apperarance and heat insulation, by extruding a mixture of a rubber-containing styrene resin and a chemical foaming agent in the form of a sheet.
CONSTITUTION: The objective resin sheet having an expansion ratio of 1.1W2.1, thickness of 0.1W1mm and folding endurance (accordance to JIS P8115) of ≥5, is prepared by adding a chemical foaming agent (e.g. propane) to a styrene resin (e.g. copolymer of polystyrene and α-mehylstyrene) containing 1.5W8wt% rubber component (e.g. natural crepe rubber) and extruding the composition in the form of a sheet preferably with a T-die.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6207181A JPS57177031A (en) | 1981-04-24 | 1981-04-24 | Styrene resin sheet for forming |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6207181A JPS57177031A (en) | 1981-04-24 | 1981-04-24 | Styrene resin sheet for forming |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57177031A true JPS57177031A (en) | 1982-10-30 |
JPH0247495B2 JPH0247495B2 (en) | 1990-10-19 |
Family
ID=13189483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6207181A Granted JPS57177031A (en) | 1981-04-24 | 1981-04-24 | Styrene resin sheet for forming |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57177031A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0601783A1 (en) * | 1992-12-03 | 1994-06-15 | General Electric Company | Blowing agent concentrate |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5211276A (en) * | 1976-07-19 | 1977-01-28 | Sekisui Plastics | Oneedirectionally shrinking foamed polystyrene resin sheet |
JPS57109834A (en) * | 1980-12-27 | 1982-07-08 | Sekisui Plastics Co Ltd | Foamed polystyrene sheet |
-
1981
- 1981-04-24 JP JP6207181A patent/JPS57177031A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5211276A (en) * | 1976-07-19 | 1977-01-28 | Sekisui Plastics | Oneedirectionally shrinking foamed polystyrene resin sheet |
JPS57109834A (en) * | 1980-12-27 | 1982-07-08 | Sekisui Plastics Co Ltd | Foamed polystyrene sheet |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0601783A1 (en) * | 1992-12-03 | 1994-06-15 | General Electric Company | Blowing agent concentrate |
Also Published As
Publication number | Publication date |
---|---|
JPH0247495B2 (en) | 1990-10-19 |
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