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JPS5770159A - Pigment for paint for forming solar heat-selectively absorbable coat - Google Patents

Pigment for paint for forming solar heat-selectively absorbable coat

Info

Publication number
JPS5770159A
JPS5770159A JP14515280A JP14515280A JPS5770159A JP S5770159 A JPS5770159 A JP S5770159A JP 14515280 A JP14515280 A JP 14515280A JP 14515280 A JP14515280 A JP 14515280A JP S5770159 A JPS5770159 A JP S5770159A
Authority
JP
Japan
Prior art keywords
pigment
paint
powder
solar energy
coat
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
JP14515280A
Other languages
Japanese (ja)
Inventor
Seiichi Sano
Masao Maki
Yu Fukuda
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 JP14515280A priority Critical patent/JPS5770159A/en
Publication of JPS5770159A publication Critical patent/JPS5770159A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Landscapes

  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE: A pigment with high solar energy absorption, low radiation rate and excellent heat-accumulating efficiency, useful as a pigment used for a paint for coating the surface of a solar energy accumulator, which is prepd. by the blackening treatment of the surface of an Al powder.
CONSTITUTION: The surface of an Al powder is blackened by treating the powder in a soln. contg. a metal nitrate (A) such as copper nitrate, a permanganate (B) such as the potassium salt and nitric acid (C) at a temp. ≤20°C, to obtain the titled composition. Said nitric acid C is pref. 1W1.5N in concentration, and said soln. pref. contains about 0.5% nitrate and about 1% permanganate.
EFFECT: A pigment of good heat accumulating efficiency with solar energy absorption about 0.96 and radiation rate about 0.30 is obtd.
COPYRIGHT: (C)1982,JPO&Japio
JP14515280A 1980-10-16 1980-10-16 Pigment for paint for forming solar heat-selectively absorbable coat Pending JPS5770159A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14515280A JPS5770159A (en) 1980-10-16 1980-10-16 Pigment for paint for forming solar heat-selectively absorbable coat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14515280A JPS5770159A (en) 1980-10-16 1980-10-16 Pigment for paint for forming solar heat-selectively absorbable coat

Publications (1)

Publication Number Publication Date
JPS5770159A true JPS5770159A (en) 1982-04-30

Family

ID=15378617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14515280A Pending JPS5770159A (en) 1980-10-16 1980-10-16 Pigment for paint for forming solar heat-selectively absorbable coat

Country Status (1)

Country Link
JP (1) JPS5770159A (en)

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