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JPS57174648A - Selective absorption surface for solar heat - Google Patents

Selective absorption surface for solar heat

Info

Publication number
JPS57174648A
JPS57174648A JP56058908A JP5890881A JPS57174648A JP S57174648 A JPS57174648 A JP S57174648A JP 56058908 A JP56058908 A JP 56058908A JP 5890881 A JP5890881 A JP 5890881A JP S57174648 A JPS57174648 A JP S57174648A
Authority
JP
Japan
Prior art keywords
metal foil
emissivity
selective absorption
over
black pigment
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
JP56058908A
Other languages
Japanese (ja)
Inventor
Yu Fukuda
Masao Maki
Seiichi Sano
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56058908A priority Critical patent/JPS57174648A/en
Publication of JPS57174648A publication Critical patent/JPS57174648A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/32—Radiation-absorbing paints

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE:To obtain a highly durable and efficient selective absorption surface at a low cost, by bonding a metal foil having a low emissivity over the surface of a base or support, and applying a paint consisting principally of a black pigment and a binder of an acrylic resin over the surface of the metal foil. CONSTITUTION:A metal foil 3 of aluminum, copper or the like, having an emissivity lower than 0.1 is bonded to the surface of an inexpensive base or support 1 (for instance, galvanized steel plate) having a high emissivity by the intermediary of an adhesive layer 2, and a film 4 having a thickness smaller than 5mum is formed over the surface of the metal foil 3 by coating a paint consisting principally of a black pigment A and a binder B of an acrylic resin. Here, more than one oxides or composite oxides of elements selected from Fe, Mn, Cu, Cr, Co and Ni are used for the black pigment A. In general, it is preferable to select the ratio of the weight of the pigment A to that of the resin B at a value within the range of 0.2-0.5, and a value near 0.3 is most preferable. By coating the paint thus obtained over the surface of the metal foil 3 having a low emissivity to have a thickness smaller than 5mum, it is enabled to obtain a selective absorption surface having 0.93-0.95 of solar heat absorptivity and 0.40-0.50 of heat emissivity.
JP56058908A 1981-04-17 1981-04-17 Selective absorption surface for solar heat Pending JPS57174648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56058908A JPS57174648A (en) 1981-04-17 1981-04-17 Selective absorption surface for solar heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56058908A JPS57174648A (en) 1981-04-17 1981-04-17 Selective absorption surface for solar heat

Publications (1)

Publication Number Publication Date
JPS57174648A true JPS57174648A (en) 1982-10-27

Family

ID=13097905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56058908A Pending JPS57174648A (en) 1981-04-17 1981-04-17 Selective absorption surface for solar heat

Country Status (1)

Country Link
JP (1) JPS57174648A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6726761B2 (en) 2002-02-12 2004-04-27 Rolls-Royce Plc Black high temperature emissivity paint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6726761B2 (en) 2002-02-12 2004-04-27 Rolls-Royce Plc Black high temperature emissivity paint

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