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BR9917069A - Objeto fotocrÈmico - Google Patents

Objeto fotocrÈmico

Info

Publication number
BR9917069A
BR9917069A BR9917069-8A BR9917069A BR9917069A BR 9917069 A BR9917069 A BR 9917069A BR 9917069 A BR9917069 A BR 9917069A BR 9917069 A BR9917069 A BR 9917069A
Authority
BR
Brazil
Prior art keywords
photochromic
alkoxyacrylamide
objects
photochrome
darkening
Prior art date
Application number
BR9917069-8A
Other languages
English (en)
Other versions
BR9917069B1 (pt
Inventor
Robin L Hunt
Original Assignee
Ppg Ind Ohio Inc
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 Ppg Ind Ohio Inc filed Critical Ppg Ind Ohio Inc
Publication of BR9917069A publication Critical patent/BR9917069A/pt
Publication of BR9917069B1 publication Critical patent/BR9917069B1/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00317—Production of lenses with markings or patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
    • B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
    • B29C37/0032—In-mould coating, e.g. by introducing the coating material into the mould after forming the article the coating being applied upon the mould surface before introducing the moulding compound, e.g. applying a gelcoat
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/23—Photochromic filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • 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
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/934—Powdered coating composition

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Paints Or Removers (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Polymerisation Methods In General (AREA)
  • Epoxy Resins (AREA)
  • Laminated Bodies (AREA)

Abstract

"OBJETO FOTOCRÈMICO". A presente invenção se refere a objetos tendo um revestimento à base de alcoxiacrilamida fotocrómica. Os revestimentos exibem uma micro-dureza Fischer de 50 à 130 Newtons por mm^ 2^ e propriedades fotocrómicas desejáveis, por exemplo, a formação de cores ativadas pelo escurecimento e uma taxa mais rápida de ativação e descoloração quando irradiada com luz ultravioleta. Também estão descritos objetos à base de alcoxiacrilamida fotocrómica.
BRPI9917069-8A 1998-12-11 1999-12-10 método para o preparo de um artigo conformado tendo um revestimento fotocrÈmico sobre o mesmo. BR9917069B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/209,717 US6068797A (en) 1998-12-11 1998-12-11 Method of preparing a shaped article having a photochromic coating thereon
PCT/US1999/029466 WO2000034805A2 (en) 1998-12-11 1999-12-10 Method of preparing a shaped article having a photochromic coating thereon

Publications (2)

Publication Number Publication Date
BR9917069A true BR9917069A (pt) 2002-01-02
BR9917069B1 BR9917069B1 (pt) 2009-05-05

Family

ID=22779975

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9917069-8A BR9917069B1 (pt) 1998-12-11 1999-12-10 método para o preparo de um artigo conformado tendo um revestimento fotocrÈmico sobre o mesmo.

Country Status (7)

Country Link
US (1) US6068797A (pt)
EP (1) EP1137957B1 (pt)
JP (1) JP2002532276A (pt)
AU (1) AU762096B2 (pt)
BR (1) BR9917069B1 (pt)
DE (1) DE69921182T2 (pt)
WO (1) WO2000034805A2 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022147865A1 (zh) * 2021-01-06 2022-07-14 光易科技(无锡)有限公司 一种基于环氧改性的光致变色组合物、制品及制备方法

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WO2022147865A1 (zh) * 2021-01-06 2022-07-14 光易科技(无锡)有限公司 一种基于环氧改性的光致变色组合物、制品及制备方法

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AU2176400A (en) 2000-06-26
EP1137957B1 (en) 2004-10-13
WO2000034805A3 (en) 2000-11-09
EP1137957A2 (en) 2001-10-04
AU762096B2 (en) 2003-06-19
US6068797A (en) 2000-05-30
WO2000034805A2 (en) 2000-06-15
DE69921182D1 (de) 2004-11-18
JP2002532276A (ja) 2002-10-02
BR9917069B1 (pt) 2009-05-05
DE69921182T2 (de) 2005-11-24

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