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    PLASTIC LENS BASE MATERIAL AND ITS PRODUCTION
    22.
    发明专利
    PLASTIC LENS BASE MATERIAL AND ITS PRODUCTION 失效

    公开(公告)号：JPH01315701A

    公开(公告)日：1989-12-20

    申请号：JP412889

    申请日：1989-01-11

    Applicant: TORAY INDUSTRIES

    Inventor： OSHIMA KATSUNORI ,  FUKUDA TADANORI ,  SAKAMOTO SADAYUKI

    IPC: G02C7/04 ,  G02B1/04

    Abstract: PURPOSE:To provide the base material for plastic lenses which has excellent rigidity and workability and is less colored by mixing a compd. having >=1.3 pieces, in molar average, of CH2=CX- groups in the molecule and a compd. having >=1.1 pieces, in molar average, of -SH groups into the base material at such a ratio at which the specific molar ratio is attained. CONSTITUTION:This base material contains the residual groups having >=1.3 pieces, in molar average, of the unit expressed by a (-CH2-CHX-) unit and (-CH2-CX-) (where X denotes hydrogen or methyl group) as the component of repeating units and the residual group having >=1.1 pieces, in molar average, of (-S-) bonded to the methylene group in the repeating unit component. The molar ratio of this two units has the relation shown by the following A, B: A:0.1

    MANUFACTURE OF PLASTIC LENS AND ADHESIVE TAPE FOR MANUFACTURING SAME PLASTIC LENS
    23.
    发明专利
    MANUFACTURE OF PLASTIC LENS AND ADHESIVE TAPE FOR MANUFACTURING SAME PLASTIC LENS 失效

    公开(公告)号：JPH01257016A

    公开(公告)日：1989-10-13

    申请号：JP8584388

    申请日：1988-04-06

    Applicant: TORAY INDUSTRIES

    Inventor： OSHIMA KATSUNORI ,  SAITO MASAMI ,  SAKAMOTO SADAYUKI

    IPC: B29C39/02 ,  B29C39/22 ,  B29C39/26 ,  B29L11/00 ,  C09J7/02

    Abstract: PURPOSE:To obtain a good plastic lens free from optical distortion by a method wherein an adhesive tape obtained by laminating an adhesive agent to a specific plastic film base material is stuck close to the sides of two molds and a polymerizable substance is cast into the mold formed by surrounding with the two molds and adhesive tape for polymerization. CONSTITUTION:An adhesive tape obtained by laminating an adhesive agent to a plastic film base material whose permeability factor to oxygen and that to vapor do not exceed respectively 15cc/m .24hr.0.1mm and 10g/m .24hr.0.1mm is stuck close to the sides of two molds positioned at a fixed interval. A polymerizable substance is polymerized by casting the same into a mold formed by surrounding with the two molds and adhesive tape and the plastic lens is manufactured. Polyvinylidene fluoride or its polymer or an ethylene-vinyl alcohol copolymer is available as a plastic film satisfying important matters of this oxygen and permeability to the vapor. Generally a range of 10-100mum is good for a suitable thickness of the plastic film base material.

    PLASTIC LENS HAVING HIGH REFRACTIVE INDEX
    25.
    发明专利
    PLASTIC LENS HAVING HIGH REFRACTIVE INDEX 失效

    公开(公告)号：JPS60217301A

    公开(公告)日：1985-10-30

    申请号：JP7262384

    申请日：1984-04-13

    Applicant: TORAY INDUSTRIES

    Inventor： FUKUDA TADANORI ,  SAKAMOTO SADAYUKI ,  WADA SUSUMU

    IPC: C08G18/00 ,  G02B1/04

    Abstract: PURPOSE:To obtain a resin for plastic lens having high refractive index by polymerizing a specified amt, of a mixture consisting of two specified components having 0.5-2.0 molar ratio of NCO/OH with a specified amt. of a vinyl monomer having 1.55 refractive index. CONSTITUTION:20-100wt% mixture of an isocyanate compd. having >=2 functionality and molar ratio NCO/OH adjusted to 0.5-2.0 with a vinyl monomer having an OH group and expressed by the formula (wherein R is methyl or H), or an addition reaction product thereof is mixed with 0-80wt% vinyl monomer having >=1.55 refractive index of its polymer, and a reaction between the isocyanate group and an OH group is proceeded to completion by the addition of an addition reaction catalyst. Then, the reaction product is poured together with a polymerization initiator into a mold, polymerized by heating to obtain a plastic lens having high refractive index.

    RESIN FOR HIGH REFRACTIVE INDEX PLASTIC LENS
    26.
    发明专利
    RESIN FOR HIGH REFRACTIVE INDEX PLASTIC LENS 失效

    公开(公告)号：JPS6051706A

    公开(公告)日：1985-03-23

    申请号：JP15810983

    申请日：1983-08-31

    Applicant: TORAY INDUSTRIES

    Inventor： FUKUDA TADANORI ,  SAKAMOTO SADAYUKI

    IPC: C08F299/00 ,  C08F20/26 ,  C08F20/36 ,  C08F290/00 ,  C08F299/06 ,  G02B1/04

    Abstract: PURPOSE:A resin for tough plastic lenses having a refractive index >=1.55, comprising a polymer obtained by the vinyl polymerization of a specified urethanized (meth)acryl monomer. CONSTITUTION:A urethanized (meth)acryl monomer is synthesized by reacting the OH groups of a (meth)acryl monomer of the formula (wherein R1 and R2 are each H or methyl, m+n=0-4, and X is Cl, I, or Br) with the NCO groups of a polyisocyanate. This monomer is vinyl-polymerized to obtain the purpose resin. Although the above monomer can be vinyl-polymerized alone to obtain a resin for high-refractive index lenses, the urethanized (meth)acrylic monomer (a first vinyl monomer) may be copolymerized with another vinyl monomer having an aromatic ring in the molecule (a second vinyl monomer).

    EPOXY RESIN ELASTOMER
    27.
    发明专利
    EPOXY RESIN ELASTOMER 失效

    公开(公告)号：JPS58145724A

    公开(公告)日：1983-08-30

    申请号：JP2815382

    申请日：1982-02-25

    Applicant: TORAY INDUSTRIES

    Inventor： FUKUDA TADANORI ,  SAKAMOTO SADAYUKI ,  YAMAMOTO KEIICHIROU

    IPC: C08F8/00 ,  C08G59/00 ,  C08G59/42 ,  C08L7/00 ,  C08L21/00 ,  C08L63/00

    Abstract: PURPOSE:An epoxy resin elastomer excellent in flexibility, electrical properties, water resistance, etc., and suitable as an electrical-insulating material or the like, containing an epoxy resin prepared by reacting a liquid polybutadiene with an epoxy compound and an acid anhydride as a resin component. CONSTITUTION:40-80wt% liquid polybutadiene and (or) its derivative (e.g., polybutadiene glycol, polybutadienedicarboxylic acid) are reacted with 10-40wt% epoxy compound containing at least two oxirane rings in the molecule (e.g., vinylcyclohexene dioxide, neopentyl glycol diglycidyl ether) and 10-40wt% acid anhydride (e.g., phthalic anhydride, maleic anhydride). Then, the purpose epoxy resin elastomer is prepared by mixing the produced epoxy resin as a resin component with, if necessary, a filler, a flame retardant, a colorant, etc.

    POLYURETHANE RESIN AND PAINT COMPOSITION
    28.
    发明专利
    POLYURETHANE RESIN AND PAINT COMPOSITION 失效

    公开(公告)号：JPS5590526A

    公开(公告)日：1980-07-09

    申请号：JP16180478

    申请日：1978-12-29

    Applicant: TORAY INDUSTRIES

    Inventor： FUKUDA TADANORI ,  SAKAMOTO SADAYUKI ,  NISHINO MASAKI ,  YASUHARA YUTAKA

    IPC: C08G18/00 ,  C07C265/04 ,  C08G18/73 ,  C09D175/00

    Abstract: PURPOSE:To provide polyurethane resin useful for a paint composition not containing volatile monomer with high toxity and having no stimulating odor by reacting polyol and 1,6,11-undecane triisocyanate. CONSTITUTION:Polyol and 1,6,11-undecane triisocyanate represented by a formula. The above-described 1,6,11-undecane triisocyanete is a novel compound having good symmetric structure, having b,p, of 166-167 deg.C/0.2mmHg, being colorless and odorless liquid substance with good flowability in the vicinity of a room temperature, having low vapor pressure at about room temperature, having no stimulating odor to human body, being handled safely as well as containing isocyanate in a high concentration of above 45%. As polyol to be used, diol, polyol, polyetherpolyol, polyesterpolyol, polymerpolyol are included.

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