JPS55142567A - Preparation of product having silicious coating layer - Google Patents

Preparation of product having silicious coating layer

Info

Publication number
JPS55142567A
JPS55142567A JP4942679A JP4942679A JPS55142567A JP S55142567 A JPS55142567 A JP S55142567A JP 4942679 A JP4942679 A JP 4942679A JP 4942679 A JP4942679 A JP 4942679A JP S55142567 A JPS55142567 A JP S55142567A
Authority
JP
Japan
Prior art keywords
alkali metal
coating layer
modified
solution
group
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
JP4942679A
Other languages
Japanese (ja)
Inventor
Masahiko Hatsushiro
Seishiro Yamakawa
Noriyuki Yamada
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP4942679A priority Critical patent/JPS55142567A/en
Publication of JPS55142567A publication Critical patent/JPS55142567A/en
Pending legal-status Critical Current

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  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

PURPOSE: To form an excellent coating layer having nonbrittleness and transparency, by a method wherein an alkali metal silicate is modified by a phosphate of a group 1a alkali metal of the periodic table and, thereafter, a silica coating layer is formed.
CONSTITUTION: A solution of a formula M2O.XSiO2.YH2O (M is a group 1a alkali metal of the periodic table, X is positive number of 0.5 or higher, Y is 0 or a positive number) is modified with a solution of a phosphate, a borate or the like of a group 1a alkali metal of the periodic table, such as sodium monohydrogen phosphate, to obtain an aqueous modified alkali metal silicate solution. In this case, the modifying agent is added in a total amount of 1W30mol to 10mol of SiO2 in terms of P2O5, B2O3, and Al2O3. When this aqueous modified alkali metal silicate solution is coated to a substrate surface and dried, a nonbrittle and transparent silicious coating layer with good performance is obtained.
COPYRIGHT: (C)1980,JPO&Japio
JP4942679A 1979-04-20 1979-04-20 Preparation of product having silicious coating layer Pending JPS55142567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4942679A JPS55142567A (en) 1979-04-20 1979-04-20 Preparation of product having silicious coating layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4942679A JPS55142567A (en) 1979-04-20 1979-04-20 Preparation of product having silicious coating layer

Publications (1)

Publication Number Publication Date
JPS55142567A true JPS55142567A (en) 1980-11-07

Family

ID=12830760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4942679A Pending JPS55142567A (en) 1979-04-20 1979-04-20 Preparation of product having silicious coating layer

Country Status (1)

Country Link
JP (1) JPS55142567A (en)

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