JPS5650935A - Expanded synthetic resin heat insulating body - Google Patents
Expanded synthetic resin heat insulating bodyInfo
- Publication number
- JPS5650935A JPS5650935A JP12689179A JP12689179A JPS5650935A JP S5650935 A JPS5650935 A JP S5650935A JP 12689179 A JP12689179 A JP 12689179A JP 12689179 A JP12689179 A JP 12689179A JP S5650935 A JPS5650935 A JP S5650935A
- Authority
- JP
- Japan
- Prior art keywords
- heat insulating
- insulating body
- synthetic resin
- polyolefinic
- absorption rate
- 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
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: To provide the titled polyolefinic or polystyrenic, heat insulating body which is formed by adding a material having a specific radiation absorption rate to prevent the increase in its heat conductivity as the expansion ratio increases.
CONSTITUTION: A material having >0.3 mean radiation absorption rate at 10μ thickness basing on blackbody radiation at 300°K (about 27°C or near room temperature), such as polyvinyl alcohol or calcium phosphate is used. Such a material is used in amount of 1W200pts.wt. (preferably 1W50pts.wt.) to be added to 100pts.wt. of a polyolefinic or polystyrenic polymer which absorbs infrared ray of 5W30μ wavelength. Then, the mixture is blown up. Preferably, the expansion ratio is set above the value at which the expanded body would show the minimum apparent conductivity without adding the above described material.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12689179A JPS5650935A (en) | 1979-10-03 | 1979-10-03 | Expanded synthetic resin heat insulating body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12689179A JPS5650935A (en) | 1979-10-03 | 1979-10-03 | Expanded synthetic resin heat insulating body |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5650935A true JPS5650935A (en) | 1981-05-08 |
Family
ID=14946410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12689179A Pending JPS5650935A (en) | 1979-10-03 | 1979-10-03 | Expanded synthetic resin heat insulating body |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5650935A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0620246A1 (en) * | 1993-04-13 | 1994-10-19 | ALGOSTAT GmbH & CO. KG | Polystyrene hard foam moulded articles |
US6034143A (en) * | 1995-11-08 | 2000-03-07 | Sekisui Plastics Co., Ltd. | Foamed styrene resin material and heat insulating material using the same for construction |
KR100750626B1 (en) * | 2006-12-29 | 2007-08-20 | 주식회사 벽산 | Styrene-form with excellent insulation and a manufacturing method thereof |
-
1979
- 1979-10-03 JP JP12689179A patent/JPS5650935A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0620246A1 (en) * | 1993-04-13 | 1994-10-19 | ALGOSTAT GmbH & CO. KG | Polystyrene hard foam moulded articles |
US6034143A (en) * | 1995-11-08 | 2000-03-07 | Sekisui Plastics Co., Ltd. | Foamed styrene resin material and heat insulating material using the same for construction |
KR100750626B1 (en) * | 2006-12-29 | 2007-08-20 | 주식회사 벽산 | Styrene-form with excellent insulation and a manufacturing method thereof |
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