JPS6487534A - Method for improving chemical durability of glass body - Google Patents

Method for improving chemical durability of glass body

Info

Publication number
JPS6487534A
JPS6487534A JP24551887A JP24551887A JPS6487534A JP S6487534 A JPS6487534 A JP S6487534A JP 24551887 A JP24551887 A JP 24551887A JP 24551887 A JP24551887 A JP 24551887A JP S6487534 A JPS6487534 A JP S6487534A
Authority
JP
Japan
Prior art keywords
glass body
cations
monovalent cations
chemical durability
incorporating
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
JP24551887A
Other languages
Japanese (ja)
Inventor
Hiroyuki Sakai
Shigeaki Omi
Osamu Maruyama
Yoshitaka Yoneda
Yoshiyuki Asahara
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.)
Hoya Corp
Original Assignee
Hoya Corp
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 Hoya Corp filed Critical Hoya Corp
Priority to JP24551887A priority Critical patent/JPS6487534A/en
Publication of JPS6487534A publication Critical patent/JPS6487534A/en
Pending legal-status Critical Current

Links

Landscapes

  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)

Abstract

PURPOSE:To prevent the surface of a glass body from being deteriorated and to improve chemical durability of the glass body by ion-exchanging monovalent cations of the surface of the glass body incorporating monovalent cations with bivalent cations and reducing the concn. of the monovalent cations. CONSTITUTION:A glass body incorporating monovalent cations is obtained by immersing e.g. a phosphate glass body incorporating 40mol.% Na2O and 32mol.% P2O5 in melted salt consisting of 40wt.% AgNO3 and 60wt.% KNO3 e.g. at 430 deg.C for 350hr. Then this glass body is immersed in melted salt incorporating bivalent cations consisting of e.g. 17wt.% Ba(NO3)2 and 83wt.% CsNO3 in a prescribed time and the monovalent cations existing within 20mum thickness of the surface are ion-exchanged with the bivalent cations and the concn. of the monovalent cations of the surface is reduced. Thereby the chemical durability of a functional glass body such as a refractive index distribution-type glass body is improved.
JP24551887A 1987-09-29 1987-09-29 Method for improving chemical durability of glass body Pending JPS6487534A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24551887A JPS6487534A (en) 1987-09-29 1987-09-29 Method for improving chemical durability of glass body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24551887A JPS6487534A (en) 1987-09-29 1987-09-29 Method for improving chemical durability of glass body

Publications (1)

Publication Number Publication Date
JPS6487534A true JPS6487534A (en) 1989-03-31

Family

ID=17134875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24551887A Pending JPS6487534A (en) 1987-09-29 1987-09-29 Method for improving chemical durability of glass body

Country Status (1)

Country Link
JP (1) JPS6487534A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11503403A (en) * 1996-02-07 1999-03-26 サン−ゴバン ビトラージュ Glass substrate treatment method
JP2013238677A (en) * 2012-05-11 2013-11-28 Asahi Glass Co Ltd Reflector
JP2013238678A (en) * 2012-05-11 2013-11-28 Asahi Glass Co Ltd Reflector
CN107721195A (en) * 2017-10-27 2018-02-23 福州瑞克布朗医药科技有限公司 A kind of method for strengthening gear division devitrified glass physicochemical property
CN108147681A (en) * 2018-01-25 2018-06-12 中国科学院上海光学精密机械研究所 A kind of laser glass ion exchange Enhancement Method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186512A (en) * 1975-01-28 1976-07-29 Mitsubishi Heavy Ind Ltd SERAMITSUKUSUNOKYOKAHOHO
JPS5628855A (en) * 1979-08-17 1981-03-23 Toyo Seikan Kaisha Ltd Laminated bag* which can be sterilized by retort* having excellent stacking pressure resisting property
JPS62100451A (en) * 1985-10-28 1987-05-09 Hoya Corp Glass composition suitable to produce glass having refractive index gradient

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186512A (en) * 1975-01-28 1976-07-29 Mitsubishi Heavy Ind Ltd SERAMITSUKUSUNOKYOKAHOHO
JPS5628855A (en) * 1979-08-17 1981-03-23 Toyo Seikan Kaisha Ltd Laminated bag* which can be sterilized by retort* having excellent stacking pressure resisting property
JPS62100451A (en) * 1985-10-28 1987-05-09 Hoya Corp Glass composition suitable to produce glass having refractive index gradient

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11503403A (en) * 1996-02-07 1999-03-26 サン−ゴバン ビトラージュ Glass substrate treatment method
JP2013238677A (en) * 2012-05-11 2013-11-28 Asahi Glass Co Ltd Reflector
JP2013238678A (en) * 2012-05-11 2013-11-28 Asahi Glass Co Ltd Reflector
CN107721195A (en) * 2017-10-27 2018-02-23 福州瑞克布朗医药科技有限公司 A kind of method for strengthening gear division devitrified glass physicochemical property
CN108147681A (en) * 2018-01-25 2018-06-12 中国科学院上海光学精密机械研究所 A kind of laser glass ion exchange Enhancement Method

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