ES8707139A1 - Procedimiento para la obtencion de articulos opticos termoconformados - Google Patents

Procedimiento para la obtencion de articulos opticos termoconformados

Info

Publication number
ES8707139A1
ES8707139A1 ES553884A ES553884A ES8707139A1 ES 8707139 A1 ES8707139 A1 ES 8707139A1 ES 553884 A ES553884 A ES 553884A ES 553884 A ES553884 A ES 553884A ES 8707139 A1 ES8707139 A1 ES 8707139A1
Authority
ES
Spain
Prior art keywords
production
tris
thermoformed articles
allyl
carbonate
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.)
Expired
Application number
ES553884A
Other languages
English (en)
Other versions
ES553884A0 (es
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.)
Enichem Sintesi SpA
Original Assignee
Enichem Sintesi SpA
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 Enichem Sintesi SpA filed Critical Enichem Sintesi SpA
Publication of ES8707139A1 publication Critical patent/ES8707139A1/es
Publication of ES553884A0 publication Critical patent/ES553884A0/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F218/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
    • C08F218/24—Esters of carbonic or haloformic acids, e.g. allyl carbonate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Control Of El Displays (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Packages (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

PROCEDIMIENTO PARA OBTENER ARTICULOS OPTICOS CONFORMADOS. COMPRENDE: A) HACER REACCIONAR ENTRE SI A (A) CON (D) PARA DAR (E); C) COMBINAR DE 30 A 80% EN PESO DE 8C9 CON 10 A 40% EN PESO DE ACETATO DE VINILO EN PRESENCIA DE 1 A 5% DE 8F9, PARA FORMAR UNA COMPOSICION LIQUIDA; D) POLIMERIZAR LA COMPOSICION LIQUIDA ENTRE 30 Y 120JC Y DURANTE 3 A 100 HORAS, PARA PRODUCIR LAMINAS CON ESPESORES ENTRE 1 Y 4 MM Y E) TERMOCONFORMAR LAS LAMINAS ENTRE 140 Y 200JC EN MOLDES NO CALENTADOS. SIENDO: (A) DIALOILCARBONATO; (B) GLICOL ETILENICO; (C) BIS(ALILCARBONATO) DEL GLICOL DIETILENICO; (D) TRIS-HIDROXIETILISOCIANONATO; (E) TRIS(ALILCARBONATO) DEL BIS-HIDROXIETILESOCIANURATO Y (F) INICIADOR DE POLIMERIZACION ELEGIDO ENTRE DIISOPROPILPEROXIDICARBONATO Y TER-BUTILPERBENZOATO.
ES553884A 1985-03-29 1986-03-25 Procedimiento para la obtencion de articulos opticos termoconformados Expired ES8707139A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20156/85A IT1183525B (it) 1985-03-29 1985-03-29 Procedimento per la produzione di articoli termoformati

Publications (2)

Publication Number Publication Date
ES8707139A1 true ES8707139A1 (es) 1987-07-16
ES553884A0 ES553884A0 (es) 1987-07-16

Family

ID=11164263

Family Applications (1)

Application Number Title Priority Date Filing Date
ES553884A Expired ES8707139A1 (es) 1985-03-29 1986-03-25 Procedimiento para la obtencion de articulos opticos termoconformados

Country Status (15)

Country Link
EP (1) EP0204083B1 (es)
JP (1) JPS61225204A (es)
AT (1) ATE59192T1 (es)
BR (1) BR8601547A (es)
CA (1) CA1250074A (es)
DE (1) DE3676226D1 (es)
DK (1) DK169037B1 (es)
ES (1) ES8707139A1 (es)
FI (1) FI85712C (es)
GR (1) GR860668B (es)
IE (1) IE58843B1 (es)
IT (1) IT1183525B (es)
MX (1) MX168801B (es)
NO (1) NO166085C (es)
PT (1) PT82299B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5070215A (en) * 1989-05-02 1991-12-03 Bausch & Lomb Incorporated Novel vinyl carbonate and vinyl carbamate contact lens material monomers
IT1239949B (it) * 1990-03-26 1993-11-27 Enichem Sintesi Marmo artificiale e procedimento per la sua preparazione
IT1245384B (it) * 1991-03-28 1994-09-20 Enichem Sintesi Vetro organico con resistenza all'urto migliorata e con indice di rifrazione pari o simile a quello del vetro minerale
US5286816A (en) * 1991-03-28 1994-02-15 Enichem Synthesis S.P.A. Organic glass with improved impact strength and with a refractive index equal or similar to that of mineral glass
US5952441A (en) * 1997-12-30 1999-09-14 Ppg Industries Ohio, Inc. Partially polymerized mixture of diethylene glycol (allyl carbonate) compounds
US10252460B1 (en) 2014-09-15 2019-04-09 Lockheed Martin Corporation Method of forming an optical element using an additive manufactured component, and related devices, components, and systems
US10407540B2 (en) 2015-09-08 2019-09-10 Ppg Industries Ohio, Inc. Composition for optical articles and optical articles made therewith

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872042A (en) * 1972-02-01 1975-03-18 Buckbee Mears Co Plastic lenses and method of making same
US4373076A (en) * 1981-10-26 1983-02-08 Hoya Lens Corporation Terpolymer with a high refractive index
IT1160172B (it) * 1983-01-13 1987-03-04 Anic Spa Composizione liquida polimerizzabile, atta a produrre polimeri con elevate caratteristiche ottiche e meccaniche e polimeri e manufatti ottenuti da detta composizione

Also Published As

Publication number Publication date
IT1183525B (it) 1987-10-22
DK169037B1 (da) 1994-08-01
DK138186D0 (da) 1986-03-25
EP0204083A2 (en) 1986-12-10
IT8520156A0 (it) 1985-03-29
EP0204083A3 (en) 1987-10-21
NO861113L (no) 1986-09-30
CA1250074A (en) 1989-02-14
PT82299B (pt) 1988-07-29
BR8601547A (pt) 1986-12-09
GR860668B (en) 1986-07-11
FI861284A0 (fi) 1986-03-26
FI861284A (fi) 1986-09-30
DK138186A (da) 1986-09-30
DE3676226D1 (de) 1991-01-31
FI85712C (fi) 1992-05-25
MX168801B (es) 1993-06-09
IE860779L (en) 1986-09-29
FI85712B (fi) 1992-02-14
PT82299A (en) 1986-04-01
NO166085B (no) 1991-02-18
JPH0478644B2 (es) 1992-12-11
ES553884A0 (es) 1987-07-16
IE58843B1 (en) 1993-11-17
NO166085C (no) 1991-05-29
EP0204083B1 (en) 1990-12-19
ATE59192T1 (de) 1991-01-15
JPS61225204A (ja) 1986-10-07

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000201