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BR8706784A - Processo de polimerizacao em moldagem para a preparacao de lente de resina de uretana contendo enxofre - Google Patents

Processo de polimerizacao em moldagem para a preparacao de lente de resina de uretana contendo enxofre

Info

Publication number
BR8706784A
BR8706784A BR8706784A BR8706784A BR8706784A BR 8706784 A BR8706784 A BR 8706784A BR 8706784 A BR8706784 A BR 8706784A BR 8706784 A BR8706784 A BR 8706784A BR 8706784 A BR8706784 A BR 8706784A
Authority
BR
Brazil
Prior art keywords
preparation
polymerization process
containing sulfur
resin lens
lens containing
Prior art date
Application number
BR8706784A
Other languages
English (en)
Inventor
Katsuyoshi Sasagawa
Yoshinobu Kanemura
Masao Imai
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27295251&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8706784(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of BR8706784A publication Critical patent/BR8706784A/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
    • C08G18/82—Post-polymerisation treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/60—Releasing, lubricating or separating agents
    • 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
    • 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
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7628—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/02—Halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/19—Quaternary ammonium compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
BR8706784A 1986-12-15 1987-12-14 Processo de polimerizacao em moldagem para a preparacao de lente de resina de uretana contendo enxofre BR8706784A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP29819886 1986-12-15
JP5435387 1987-03-10
JP9268587 1987-04-15

Publications (1)

Publication Number Publication Date
BR8706784A true BR8706784A (pt) 1988-07-19

Family

ID=27295251

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8706784A BR8706784A (pt) 1986-12-15 1987-12-14 Processo de polimerizacao em moldagem para a preparacao de lente de resina de uretana contendo enxofre

Country Status (8)

Country Link
EP (1) EP0271839B1 (pt)
JP (1) JPH0777733B2 (pt)
KR (1) KR920001650B1 (pt)
CN (1) CN1039210C (pt)
AU (1) AU598076B2 (pt)
BR (1) BR8706784A (pt)
CA (1) CA1325304C (pt)
DE (1) DE3751726T2 (pt)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5753730A (en) * 1986-12-15 1998-05-19 Mitsui Toatsu Chemicals, Inc. Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur-containing urethane resin lens and lens prepared thereby
US5126425A (en) * 1987-04-01 1992-06-30 Mitsui Toatsu Chemicals, Inc. Low-hygroscopic sulfur-containing urethane resin, coating material and adhesive
JPH07118989B2 (ja) * 1987-09-22 1995-12-20 ホーヤ株式会社 ポリウレタンレンズの製造方法
US4975328A (en) * 1987-09-22 1990-12-04 Hoya Corporation Process for producing polyurethane lens
US4929707A (en) * 1988-02-16 1990-05-29 Mitsui Toatsu Chemicals, Inc. Polyurethane base lens resin, plastic lens comprising the resin and preparation method of the lens
DE68916055T2 (de) * 1988-02-17 1994-12-15 Mitsui Toatsu Chemicals Plastiklinse und Verfahren zu ihrer Herstellung.
CA1320806C (en) * 1988-02-17 1993-08-03 Teruyuki Nagata Plastic lenses having a high-refracting index and process for the preparation thereof
AU606781B2 (en) * 1988-02-18 1991-02-14 Mitsui Chemicals, Inc. S-alkyl thiocarbamate base resin, plastic lens comprising the resin, and process for making the lens
CA1316315C (en) * 1988-02-22 1993-04-20 Nobuyuki Kajimoto Highly-refractive plastic lens and process for making the lens
DE68918356T2 (de) * 1988-07-14 1995-05-11 Mitsui Toatsu Chemicals, Inc., Tokio/Tokyo Linse, ein Kunstharz mit hohem Brechungsindex enthaltend und Verfahren zur Herstellung der Linse.
US5087758A (en) * 1988-12-22 1992-02-11 Mitsui Toatsu Chemicals, Inc. Mercapto compound, a high refractive index resin and lens and a process for preparing them
JP2695599B2 (ja) * 1993-09-29 1997-12-24 ホーヤ株式会社 ポリウレタンレンズの製造方法
US6274694B1 (en) 1995-11-20 2001-08-14 Hoya Corporation Process for the production of polyurethane lens
DE69732485T2 (de) * 1996-07-17 2006-01-05 Essilor International Compagnie Générale d'Optique Interne formtrenn-zusammensetzungen, enthaltend phosphatester
EP1054270A4 (en) 1996-07-22 2004-07-28 Maikurooputo Co Ltd METHOD FOR PRODUCING A FLAT PLATE MICRO LENS AND A FLAT PLATE MICROL LENS
US6417322B1 (en) 2000-09-25 2002-07-09 Essilor International Compagnie General D'optique Episulfide based polymerizable composition catalyzed by an (alkoxyphenyl)phosphine, articles made therefrom and process for making same
TW593450B (en) 2001-03-21 2004-06-21 Hoya Corp Transparent molded articles, optical components, plastic lenses and preparation method thereof
US6592801B2 (en) 2001-04-30 2003-07-15 Essilor International Compagnie Generale D'optique Photopolymerization of episulfides using metal complexes and its use for making ophthalmic lenses
US6887401B2 (en) 2001-11-05 2005-05-03 Essilor International Compagnie General D'optique Method for making transparent polythiourethane substrates in particular optical substrates
JP5008869B2 (ja) 2002-11-13 2012-08-22 日本曹達株式会社 金属−酸素結合を有する分散質、金属酸化物膜、及び単分子膜
KR20070112891A (ko) 2004-03-31 2007-11-27 미쓰이 가가쿠 가부시키가이샤 중합성 화합물 및 그 용도
JP4755598B2 (ja) 2004-11-16 2011-08-24 三井化学株式会社 金属含有化合物から得られる樹脂およびその用途
JP4489014B2 (ja) * 2005-12-28 2010-06-23 花王株式会社 毛髪洗浄剤
JP2007246690A (ja) * 2006-03-16 2007-09-27 Seiko Epson Corp 光学基材の製造方法
JP4709737B2 (ja) * 2006-12-27 2011-06-22 花王株式会社 縮毛矯正組成物
JP2008255221A (ja) * 2007-04-04 2008-10-23 Mitsui Chemicals Inc 光学材料用内部離型剤及びそれを含む重合性組成物
EP2246378B1 (en) * 2008-02-07 2016-11-16 Mitsui Chemicals, Inc. Polymerizable composition for optical material, optical material and method for producing optical material
JP5357165B2 (ja) 2008-09-22 2013-12-04 三井化学株式会社 光学材料用重合性組成物、光学材料および光学材料の製造方法
CN102186897B (zh) 2009-08-05 2016-01-20 三井化学株式会社 光学材料用聚合性组合物、光学材料及光学材料的制造方法
IT1400108B1 (it) 2010-05-20 2013-05-17 Acomon Ag Catalizzatore di polimerizzazione per politiouretani, composizione liquida polimerizzabile e procedimento per la produzione di vetri organici politiouretanici ad alto indice di rifrazione
DE102010031683A1 (de) 2010-07-20 2012-01-26 Bayer Materialscience Ag Polyisocyanatgemische
DE102010031681A1 (de) 2010-07-20 2012-01-26 Bayer Materialscience Ag Polyurethane mit geringem Volumenschrumpf
DE102010031684A1 (de) 2010-07-20 2012-01-26 Bayer Materialscience Ag Polyurethane mit hoher Lichtbrechung
KR102057747B1 (ko) 2012-04-23 2019-12-19 코베스트로 도이칠란드 아게 내광성 폴리우레탄 조성물
EP3936905A1 (en) 2013-09-30 2022-01-12 Hoya Lens Thailand Ltd. Transparent plastic substrate and plastic lens
KR101822776B1 (ko) * 2014-02-06 2018-01-29 미쯔이가가꾸가부시끼가이샤 광학 재료용 중합성 조성물 및 광학 재료
US10294198B2 (en) * 2014-04-11 2019-05-21 Covestro Deutschland Ag Method for producing xylylene diisocyanates in the gaseous phase
CN107603190A (zh) * 2017-09-21 2018-01-19 河南驼人医疗器械集团有限公司 一种医用抗菌聚氨酯材料及其制备方法
EP3763517A1 (en) 2019-07-09 2021-01-13 Essilor International Method for manufacturing a photochromic optical article
CN114605605B (zh) * 2022-03-08 2023-03-24 益丰新材料股份有限公司 一种含有多硫醇组合物的光学材料组合物
EP4253019A1 (en) 2022-03-31 2023-10-04 Essilor International Late-stage catalysis of fast room-temperature polymerizations
KR20250027625A (ko) 2022-06-30 2025-02-27 에씰로 앙터나시오날 지연-작용 촉매를 사용한 폴리티오우레탄 기반 기재의 신속 경화 방법
KR20250077507A (ko) 2022-10-05 2025-05-30 에씰로 앙터나시오날 염 촉매를 사용하여 폴리티오우레탄 기반 기재를 경화시키는 방법
CN120265673A (zh) 2022-12-15 2025-07-04 依视路国际公司 固化耐水的基于聚硫氨酯的基材的方法
WO2024133820A1 (en) 2022-12-21 2024-06-27 Essilor International Method of curing a polythiourethane based substrate coupled to a microstructured wafer
EP4442724A1 (en) 2023-04-04 2024-10-09 Essilor International Method of curing a polythiourethane-based substrate from a pre-polymer
WO2025017201A1 (en) 2023-07-20 2025-01-23 Essilor International Optical material derived from a polymerizable composition containing a terminal dialkyne compound
WO2025017198A1 (en) 2023-07-20 2025-01-23 Essilor International Optical material derived from a prepolymer obtained from a heterodifunctional alkyne compound
EP4495639B1 (en) 2023-07-20 2026-01-21 Essilor International Optical material derived from a polymerizable composition containing terminal alkyne and thiol functions
WO2025017197A1 (en) 2023-07-20 2025-01-23 Essilor International Optical material derived from a polymerizable composition containing a heterodifunctional alkyne compound
EP4574868A1 (en) 2023-12-22 2025-06-25 Essilor International Latent thermal borate-ammonium or iminium salts as catalysts for polythiourethane based substrates
WO2025131912A1 (en) 2023-12-22 2025-06-26 Essilor International Latent borate-ammonium or iminium salts as photo-activatable catalysts for polythiourethane based substrates

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578806B2 (pt) * 1973-12-26 1982-02-18
US4220727A (en) * 1976-09-24 1980-09-02 Union Carbide Corporation Method of molding polyurethanes having mold release properties
JPS56144129A (en) * 1980-04-11 1981-11-10 Matsushita Electric Ind Co Ltd Manufacture of plastic lens
JPS5938044A (ja) * 1982-08-25 1984-03-01 Toray Silicone Co Ltd 反応射出成形体の製造方法
US4585829A (en) * 1983-09-30 1986-04-29 Union Carbide Corporation Internal mold release for reaction injection molded polyurethanes
GB8406677D0 (en) * 1984-03-14 1984-04-18 Ici Plc Polyol compositions
JPS60199016A (ja) * 1984-03-23 1985-10-08 Mitsui Toatsu Chem Inc チオカルバミン酸ｓ―アルキルエステル系レンズ用樹脂の製造方法
JPS60245622A (ja) * 1984-05-21 1985-12-05 Sumitomo Bayer Urethane Kk ポリウレタン樹脂成形品の製造方法
JPS60255835A (ja) * 1984-05-31 1985-12-17 Sumitomo Bayer Urethane Kk ホリウレタン成形品の製造方法
US4585803A (en) * 1984-08-17 1986-04-29 The Dow Chemical Company Internal mold release compositions
EP0235743B1 (en) * 1986-03-01 1990-01-31 MITSUI TOATSU CHEMICALS, Inc. High-refractivity plastic lens resin
JPS62238151A (ja) * 1986-04-07 1987-10-19 Nissan Motor Co Ltd ワイパ間欠駆動制御装置
JPH0678415B2 (ja) * 1986-11-21 1994-10-05 三井東圧化学株式会社 高屈折率プラスチックレンズ用樹脂
JPH07118989B2 (ja) * 1987-09-22 1995-12-20 ホーヤ株式会社 ポリウレタンレンズの製造方法

Also Published As

Publication number Publication date
JPS6445611A (en) 1989-02-20
KR880007588A (ko) 1988-08-27
EP0271839A2 (en) 1988-06-22
DE3751726T2 (de) 1996-10-02
EP0271839A3 (en) 1989-03-08
JPH0777733B2 (ja) 1995-08-23
EP0271839B1 (en) 1996-03-06
CN1039210C (zh) 1998-07-22
DE3751726D1 (de) 1996-04-11
AU8251487A (en) 1988-06-16
KR920001650B1 (ko) 1992-02-21
CN87108126A (zh) 1988-09-14
CA1325304C (en) 1993-12-14
AU598076B2 (en) 1990-06-14

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: C08K 5/521 (2006.01), B29C 33/60 (2006.0