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JPS5650935A - Expanded synthetic resin heat insulating body - Google Patents

Expanded synthetic resin heat insulating body

Info

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
Application number
JP12689179A
Other languages
Japanese (ja)
Inventor
Mutsuo Koizumi
Masaru Takaoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Petrochemical Co Ltd
Original Assignee
Mitsubishi Petrochemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Priority to JP12689179A priority Critical patent/JPS5650935A/en
Publication of JPS5650935A publication Critical patent/JPS5650935A/en
Pending legal-status Critical Current

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  • 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
JP12689179A 1979-10-03 1979-10-03 Expanded synthetic resin heat insulating body Pending JPS5650935A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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