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JPS6460686A - Photothermochromic composition - Google Patents

Photothermochromic composition

Info

Publication number
JPS6460686A
JPS6460686A JP21558187A JP21558187A JPS6460686A JP S6460686 A JPS6460686 A JP S6460686A JP 21558187 A JP21558187 A JP 21558187A JP 21558187 A JP21558187 A JP 21558187A JP S6460686 A JPS6460686 A JP S6460686A
Authority
JP
Japan
Prior art keywords
component
compsn
epoxy resin
pref
molecule
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
JP21558187A
Other languages
Japanese (ja)
Other versions
JPH0819403B2 (en
Inventor
Makoto Tsunoda
Yasuhiro Suzuki
Kazuo Yokoyama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP21558187A priority Critical patent/JPH0819403B2/en
Publication of JPS6460686A publication Critical patent/JPS6460686A/en
Publication of JPH0819403B2 publication Critical patent/JPH0819403B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Epoxy Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:To provide a photothermochromic compsn. capable of reversibly becoming colored or colorless repeatedly with a stable colored or colorless state at room temp. and prepd. from inexpensive materials, by blending a specific epoxy resin with a specific diaminodiphenylmethane derivative. CONSTITUTION:The title compsn. contains the following components A and B. The component A is an epoxy resin having at least one group of formula I in the molecule, while the component B is a diaminodiphenylmethane derivative of formula II (wherein R1, R2, R3 and R4 are the same or different and are each a hydrogen atom., a halogen atom., 1-6C alkyl, 1-6C alkoxy, or phenyl). The blending ratio of the component A to the component B is pref. stoichiometric. A reactive diluent as commonly used may be added to control the viscosity of the resulting compsn. and/or improve the mechanical properties thereof after curing. A reactive epoxy resin diluent having a halogen atom in the molecule is pref. from the viewpoint of not lowering the color- development sensitivity of the compsn. to light.
JP21558187A 1987-08-28 1987-08-28 Photo-mochromic composition Expired - Lifetime JPH0819403B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21558187A JPH0819403B2 (en) 1987-08-28 1987-08-28 Photo-mochromic composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21558187A JPH0819403B2 (en) 1987-08-28 1987-08-28 Photo-mochromic composition

Publications (2)

Publication Number Publication Date
JPS6460686A true JPS6460686A (en) 1989-03-07
JPH0819403B2 JPH0819403B2 (en) 1996-02-28

Family

ID=16674806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21558187A Expired - Lifetime JPH0819403B2 (en) 1987-08-28 1987-08-28 Photo-mochromic composition

Country Status (1)

Country Link
JP (1) JPH0819403B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0336391A2 (en) * 1988-04-07 1989-10-11 Teijin Limited Reversibly color-changeable materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0336391A2 (en) * 1988-04-07 1989-10-11 Teijin Limited Reversibly color-changeable materials

Also Published As

Publication number Publication date
JPH0819403B2 (en) 1996-02-28

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