MX171102B - Fabricacion de articulos fotocromicos - Google Patents

Fabricacion de articulos fotocromicos

Info

Publication number
MX171102B
MX171102B MX011566A MX1156688A MX171102B MX 171102 B MX171102 B MX 171102B MX 011566 A MX011566 A MX 011566A MX 1156688 A MX1156688 A MX 1156688A MX 171102 B MX171102 B MX 171102B
Authority
MX
Mexico
Prior art keywords
mixture
polyurethane
photochromic
plastics
incorporating
Prior art date
Application number
MX011566A
Other languages
English (en)
Inventor
Mary Elizabeth Ormsby
William Ramsey Maltman
Original Assignee
Pilkington Plc
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 Pilkington Plc filed Critical Pilkington Plc
Publication of MX171102B publication Critical patent/MX171102B/es

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Abstract

La presente invención se refiere a un procedimiento para producir un plástico de poliuretano que tiene propiedades fotocrómicas, caracterizado porque comprende, en una primera etapa, incorporar un compuesto fotocrómico desdoblable, reversible en al menos un compuesto de diisocianato o en al menos un poliol o una mezcla de un diisocianato y uno o más polioles, o en cualquier otro componente de una mezcla la cual, al polimerizar, proporcionará un poliuretano; combinar la mezcla de la primera etapa con cualquier componente necesario para hacer posible que ocurra la polimerización y polimerizar la mezcla resultante para formar un poliuretano que incorpora dicho compuesto fotocrómico.
MX011566A 1987-05-22 1988-05-20 Fabricacion de articulos fotocromicos MX171102B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878712210A GB8712210D0 (en) 1987-05-22 1987-05-22 Photochromic articles

Publications (1)

Publication Number Publication Date
MX171102B true MX171102B (es) 1993-09-30

Family

ID=10617809

Family Applications (1)

Application Number Title Priority Date Filing Date
MX011566A MX171102B (es) 1987-05-22 1988-05-20 Fabricacion de articulos fotocromicos

Country Status (14)

Country Link
US (1) US4889413A (es)
EP (1) EP0294056B1 (es)
JP (1) JP2849386B2 (es)
AT (1) ATE104066T1 (es)
AU (1) AU601580B2 (es)
BR (1) BR8802478A (es)
CA (1) CA1339838C (es)
DE (1) DE3888868T2 (es)
ES (1) ES2054804T3 (es)
FI (1) FI94961C (es)
GB (1) GB8712210D0 (es)
MX (1) MX171102B (es)
NZ (1) NZ224721A (es)
ZA (1) ZA883554B (es)

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Also Published As

Publication number Publication date
FI94961C (fi) 1995-11-27
GB8712210D0 (en) 1987-06-24
EP0294056A2 (en) 1988-12-07
ATE104066T1 (de) 1994-04-15
NZ224721A (en) 1989-10-27
JP2849386B2 (ja) 1999-01-20
EP0294056A3 (en) 1989-11-02
DE3888868T2 (de) 1994-08-25
DE3888868D1 (de) 1994-05-11
ZA883554B (en) 1989-04-26
ES2054804T3 (es) 1994-08-16
FI882386A0 (fi) 1988-05-20
FI94961B (fi) 1995-08-15
AU601580B2 (en) 1990-09-13
EP0294056B1 (en) 1994-04-06
CA1339838C (en) 1998-04-28
JPS6433154A (en) 1989-02-03
US4889413A (en) 1989-12-26
AU1617588A (en) 1988-11-24
BR8802478A (pt) 1988-12-20
FI882386A (fi) 1988-11-23

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