Mitsui Chemicals, Inc.

Hopnic Laboratory Co., Ltd.

Akinori Ryu

Seiichi Kobayashi

Chitoshi Shimakawa

Hiroyuki Morijiri

Yoshinobu Kanemura

Koju Okazaki

Mamoru Tanaka

Yoshimitsu Aiiso

Kunio Okumura

Osamu Kohgo

Hiroyuki Kamio

Nobuo Kawato

Hidetoshi Hayashi

Masaru Kawaguchi

Kouji Suesugi

Hironori Kuboi

Junichi Mohri

Mamoru Takashina

Ryouichi Seki

Kazuki Fujii

Mitsuru Sakai

Touru Miura

Yoshiharu Kobayashi

A polymerizable composition for an optical material includes a prepolymer which is a reaction product of a first amine compound (A1) having a weight-average molecular weight of less than 4,000, a first diol compound (B1) having a viscosity (25&#xb0; C.) of equal to or less than 100 mPa&#xb7;s, and a polyisocyanate compound (C); and a first polythiol compound (D1), in which the first amine compound (A1) is at least one selected from a polyetheramine and an aromatic amine, and the first polythiol compound (D1) includes a dithiol compound (d1) having two mercapto groups and a polythiol compound (d2) having equal to or more than three mercapto groups.

Polymerizable composition for optical material, method for manufacturing polymerizable composition for optical material, and method for manufacturing optical article

According to the present invention, provided is a polymerizable composition for an optical material including: at least one amine compound (A) selected from a compound (a1) represented by Formula (1) and a compound (a2) represented by Formula (2); an iso(thio)cyanate compound (B) which contains two or more iso(thio)cyanate groups; and a polythiol compound (C) which contains a dithiol compound (c1) containing two mercapto groups and a polythiol compound (c2) containing three or more mercapto groups. 

Polymerizable composition for optical material, optical material obtained from composition, method of producing same

A plastic polarized lens including a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from polybutadiene having a hydroxyl group on the terminal and a structural unit derived from diphenylmethane diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a defined thiourethane-based resin, which is formed over at least the coat layer. A method of producing a plastic polarized lens, a urethane-based resin-coated polarized film and a method of producing a urethane-based resin-coated polarized film are also provided.

Plastic polarized lens and method of producing the same

According to the present invention, provided is a polymerizable composition for an optical material including: at least one amine compound (A) selected from a compound (a1) represented by Formula (1) and a compound (a2) represented by Formula (2); an iso(thio)cyanate compound (B) which contains two or more iso(thio) cyanate groups; and a polythiol compound (C) which contains a dithiol compound (c1) containing two mercapto groups and a polythiol compound (c2) containing three or more mercapto groups. 

A plastic polarized lens of the present invention, comprising: a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from compound having hydroxyl group and a structural unit derived from aromatic diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a thiourethane-based resin, which is formed over at least the coat layer of the coat layer-attached polarized film.

A polymerizable composition for photochromic optical materials of the present invention includes a polymerizable monomer (A) having two or more ethylene-based unsaturated groups, an ethylene-based unsaturated polymerizable monomer (B) having one (meth)acrylic group and an aromatic ring, a polythiol (C) having three or more mercapto groups, and a photochromic compound (D), and the molar number of the mercapto groups included in the polythiol (C) is not more than 0.3 times with respect to the total molar number of the ethylene-based unsaturated groups included in the polymerizable monomer (A) and the polymerizable monomer (B).

Polymerizable composition for photochromic optical materials

A polymerizable composition for an optical material includes (A) one or more isocyanate compounds selected from aliphatic isocyanate compounds and alicyclic isocyanate compounds, (B) an active hydrogen compound having two or more functional groups, and (C) a photochromic compound.

Polymerizable composition for optical material, optical material obtained from same composition, and plastic lens

The polymerizable composition of the present invention contains (A) an alicyclic isocyanate compound (a1) having two or more functional groups and/or an aliphatic isocyanate compound (a2) having two or more functional groups, (B) a thiol compound having one or more sulfide bonds and/or one or more ester bonds and having two or more functional groups, and (C) an imidazole-based curing catalyst, in which the amount of the imidazole-based curing catalyst (C) is 5 ppm to 3,000 ppm with respect to the total amount of the isocyanate compound (A) and the thiol compound (B).

Polymerizable composition, optical material, and manufacturing method of the same

The process for producing photochromic optical materials of the present invention includes a step (i) of reacting at least one polymerizable monomer (A) having two or more ethylene-based unsaturated groups with at least one polythiol (B) having two or more mercapto groups to obtain a prepolymer; a step (ii) of mixing the prepolymer and a photochromic compound (C) to obtain a polymerizable composition; and a step (iii) of polymerizing the polymerizable composition, wherein, before the reaction of the step (i), the molar number of the mercapto groups included in the polythiol (B) is smaller than the molar number of the ethylene-based unsaturated groups included in the polymerizable monomer (A).

Process for producing photochromic optical material

A composition for optical materials of the present invention includes a polyolefin (A) obtained by (co)polymerizing at least one kind of olefin selected from &#x3b1;-olefins having 3 to 20 carbon atoms and a photochromic compound (B).

Composition for optical material and use of same

A polymerizable composition for an optical material containing tolylene diisocyanate, hexamethylene diisocyanate, and one or more polythiol compounds selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, pentaerythritol tetrakismercaptoacetate, pentaerythritol tetrakismercaptopropionate, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane and 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane.

Polymerizable composition for optical material, optical material and method for producing optical material

The plastic polarized lens () of the present invention contains a polarized film () and layers (resin layers) (and) comprising a thiourethane-based resin stacked over both surfaces of the polarized film (), and the polarized film contains an organic coloring compound represented by the following general formula (1). 

Plastic polarized lens, method for producing the same, and polarized film

A polymerizable composition for an optical material containing tolylene diisocyanate, an aliphatic polyisocyanate having 4 to 8 carbon atoms and one or more polythiols selected from pentaerythritol tetrakismercaptoacetate and pentaerythritol tetrakismercaptopropionate, is provided.

Polymerizable composition for optical material, optical material, and method for producing optical material

A resin composition excellent in tintability and resin strength, a resin obtained by curing such a resin composition, and an optical component is provided. A polymerizable composition containing an isocyanate compound suitably used for transparent resin materials, at least one polythiol compound which may have one or more (poly) sulfide bonds in a molecule, and at least one polyhydroxy compound having two or more hydroxy groups in a molecule and/or at least one (poly)hydroxy(poly)mercapto compound having one or more hydroxy groups and one or more thiol groups is used.

Polythiourethane polymerizable composition and method for producing optical resin by using same

The polymerizable composition for an optical material of the present invention comprises a phenylene diisocyanate, at least one polythiol compound selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, 1,1,2,2-tetrakis(mercaptomethylthio)ethane 3-mercaptomethyl-1,5-dimercapto-2,4-dithiapentane and tris(mercaptomethylthio)methane.

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Arao, Japan

Akinori Ryu