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BR8904398A - Composto mercapto,resina a base de politouretano,lente de plastico e processos para a preparacao dos mesmos - Google Patents

Composto mercapto,resina a base de politouretano,lente de plastico e processos para a preparacao dos mesmos

Info

Publication number
BR8904398A
BR8904398A BR898904398A BR8904398A BR8904398A BR 8904398 A BR8904398 A BR 8904398A BR 898904398 A BR898904398 A BR 898904398A BR 8904398 A BR8904398 A BR 8904398A BR 8904398 A BR8904398 A BR 8904398A
Authority
BR
Brazil
Prior art keywords
processes
preparation
same
polyurethane resin
plastic lens
Prior art date
Application number
BR898904398A
Other languages
English (en)
Inventor
Yoshinobu Kanemura
Katsuyoshi Sasagawa
Masao Imai
Toshiyuki Suzuki
Original Assignee
Mitsui Toatsu Chemicals
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 Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of BR8904398A publication Critical patent/BR8904398A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
    • C08G18/3876—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing mercapto groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
    • C07C321/12—Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms
    • C07C321/14—Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (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)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR898904398A 1988-12-22 1989-08-31 Composto mercapto,resina a base de politouretano,lente de plastico e processos para a preparacao dos mesmos BR8904398A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32192888 1988-12-22

Publications (1)

Publication Number Publication Date
BR8904398A true BR8904398A (pt) 1990-10-23

Family

ID=18137981

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898904398A BR8904398A (pt) 1988-12-22 1989-08-31 Composto mercapto,resina a base de politouretano,lente de plastico e processos para a preparacao dos mesmos

Country Status (9)

Country Link
US (1) US5087758A (pt)
EP (1) EP0378895B1 (pt)
KR (1) KR920005917B1 (pt)
CN (2) CN1036390C (pt)
AU (1) AU616298B2 (pt)
BR (1) BR8904398A (pt)
CA (1) CA1322377C (pt)
DE (1) DE68907582T2 (pt)
HK (1) HK143193A (pt)

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CN1164540A (zh) 1997-11-12
US5087758A (en) 1992-02-11
DE68907582D1 (de) 1993-08-19
HK143193A (en) 1994-01-07
AU616298B2 (en) 1991-10-24
DE68907582T2 (de) 1994-02-17
EP0378895A1 (en) 1990-07-25
CN1036390C (zh) 1997-11-12
EP0378895B1 (en) 1993-07-14
CA1322377C (en) 1993-09-21
CN1063458C (zh) 2001-03-21
CN1043498A (zh) 1990-07-04
KR900009576A (ko) 1990-07-04
AU4097589A (en) 1990-07-19
KR920005917B1 (ko) 1992-07-24

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