JPS5529533A - Waterproofing of foamed polystyrene - Google Patents

Waterproofing of foamed polystyrene

Info

Publication number
JPS5529533A
JPS5529533A JP10181078A JP10181078A JPS5529533A JP S5529533 A JPS5529533 A JP S5529533A JP 10181078 A JP10181078 A JP 10181078A JP 10181078 A JP10181078 A JP 10181078A JP S5529533 A JPS5529533 A JP S5529533A
Authority
JP
Japan
Prior art keywords
foamed polystyrene
coating
ethylene
acetate copolymer
waterproofing
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
Application number
JP10181078A
Other languages
Japanese (ja)
Other versions
JPS569543B2 (en
Inventor
Satsuji Naka
Isao Kobayashi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10181078A priority Critical patent/JPS5529533A/en
Publication of JPS5529533A publication Critical patent/JPS5529533A/en
Publication of JPS569543B2 publication Critical patent/JPS569543B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PURPOSE: To prevent the water absorption of foamed polystyrene which results in the loss of heat insulation thereof, by coating the surface of a foamed polystyrene with a coating composition composed of a specific paraffin wax and an ethylene- venyl acetate copolymer.
CONSTITUTION: A foamed polystyrene molded article is coated with a coating composition composed of 70W85% of a paraffin wax containing ≤80% of n-paraffins, and having a melting point of≥65°C, and 30W15% of an ethylene-vinyl acetate copolymer having a molecular weight of 15000W16000. the coating is carried out by melting the composition at 100W130°C and applying to the surface by brushing, dipping or spraying.
COPYRIGHT: (C)1980,JPO&Japio
JP10181078A 1978-08-23 1978-08-23 Waterproofing of foamed polystyrene Granted JPS5529533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10181078A JPS5529533A (en) 1978-08-23 1978-08-23 Waterproofing of foamed polystyrene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10181078A JPS5529533A (en) 1978-08-23 1978-08-23 Waterproofing of foamed polystyrene

Publications (2)

Publication Number Publication Date
JPS5529533A true JPS5529533A (en) 1980-03-01
JPS569543B2 JPS569543B2 (en) 1981-03-02

Family

ID=14310480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10181078A Granted JPS5529533A (en) 1978-08-23 1978-08-23 Waterproofing of foamed polystyrene

Country Status (1)

Country Link
JP (1) JPS5529533A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005073301A1 (en) * 2004-01-30 2005-08-11 Bong-Kuk Park Expanded polystyrene bead having functional skin layer, manufacturing process thereof, and functional eps product and manufacturing process thereof using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005073301A1 (en) * 2004-01-30 2005-08-11 Bong-Kuk Park Expanded polystyrene bead having functional skin layer, manufacturing process thereof, and functional eps product and manufacturing process thereof using the same
US7128973B2 (en) 2004-01-30 2006-10-31 Bong-Kuk Park Expanded polystyrene bead having functional skin layer, manufacturing process thereof, and functional EPS product and manufacturing process thereof using the same
AU2004314664B2 (en) * 2004-01-30 2007-11-15 Oh, Seung-Yeop Expanded polystyrene bead having functional skin layer, manufacturing process thereof, and functional EPS product and manufacturing process thereof using the same

Also Published As

Publication number Publication date
JPS569543B2 (en) 1981-03-02

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