Shin-Etsu Chemical Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Kabushiki Kaisha Toyota Jidoshokki

Other

Exatec, LLC

Mazda Motor Corporation

Kabushiki Kaisha Toyoda Jidoshokki Seisakusho

Koichi Higuchi

Masaaki Yamaya

Kazuyuki Matsumura

Muneo Kudo

Masahiro Furuya

Yukimasa Aoki

Hisatoshi Komori

Motoo Fukushima

Yoshifumi Kato

Mary Gilliam

Akira Yamamoto

Tsuneo Kimura

Toshihisa Shimo

Kazuharu Sato

Masaki Tanaka

Steven Marc Gasworth

Takayuki Nagai

Koichi Chigita

Yuji Yoshikawa

Toshiro Kondo

Masahiko Minemura

Mitsuo Asai

Tomohiro Inoue

Manabu Furudate

Kazumasa Okumura

Yoshitsugu Eguchi

Takashi Komori

Toshio Watanabe

Nobuya Kawamura

Kohei Masuda

Fumie Tanno

Yuya Maruyama

Hisashi Muramatsu

Shinji Kadoshima

Kazuyuki Negishi

Shiro Saka

Ryosuke Yoshii

Yasumitsu Isobe

Hiroyuki Koga

Kazuaki Yamamoto

Tomokazu Takai

In a heat-shielding film formed of addition-curing silicone resin containing organopolysiloxane, organopolysiloxane includes the combination of a plurality of units including at least a RSiOunit (a T unit), a RRSiOunit (a D unit), and a RRRSiOunit (a M unit) (in each unit, Rto Ris aliphatic hydrocarbon or hydrogen), and the molar ratio of the T unit, the D unit, and the M unit among all structural units is T:33.3 mol % to 71.4 mol %, D:11.1 mol % to 42.9 mol %, and M:7.0 mol % to 42.9 mol %.

Addition-curing silicone resin for producing heat-shielding film, method for forming heat-shielding film on inner surface of combustion chamber of engine by means of addition-curing silicone resin, heat-shielding film, and heat shielding method for reducing or preventing heat dissipation from combustion chamber of engine to outside by means of heat-shielding film

A poly(meth)acrylate represented by formula (1) can impart a hardcoat layer having exceptional scratch resistance, strong impact resistance, and excellent weather resistance, especially weather crack resistance. (R-Rrepresent hydrogen atoms, etc.; Y represents a divalent hydrocarbon group having a polycyclic structure; X represents a divalent or trivalent saturated hydrocarbon group in which at least one selected from oxygen atoms, etc., may be interposed; T represents a urethane group (bonds with X by an oxygen atom); Q represents a divalent or trivalent saturated hydrocarbon group in which at least one selected from oxygen atoms, etc., may be interposed; P represents a (meth)acryloyloxy group; a and c represent the number of Q-T bonded to X, a and c being 1 when X is divalent and 2 when X is trivalent; b and d represent the number of (meth)acryloyloxy groups bonded to Q, b and d being 1 or 2 when a or c is 1, and being 2, 3, or 4 when a is 2; and n represents an integer of 0-6.)

Poly(meth)acrylate, and coating composition and coated article containing same

Novel UV absorbers of benzotriazine type having a plurality of (meth)acryloxy groups have a UV absorbing capacity and a high solubility in multifunctional (meth)acrylate. By combining the (meth)acrylic functional UV absorber with various binder precursors such as photo-curable multifunctional (meth)acrylate, there are obtained coating compositions having improved crosslinking density, UV absorbing capacity, anti-bleeding property, and shelf stability.

Reactive UV absorber, making method, coating composition, and coated article

A plastic article is provided wherein a plastic substrate is coated with multiple resin layers including a primer layer comprising a polymer having a UV-absorptive functional group incorporated therein and a weather resistant hardcoat layer comprising a reaction product of alkoxysilyl-containing benzophenone and/or a hydrolyzate thereof.

Plastic article for automotive glazing

A photo-curable coating composition comprising (1) a polyfunctional (meth)acrylic monomer, (2) a photopolymerization initiator, and (3) a specific hydroxyphenyltriazine base UV absorber has high mar resistance and long-term weather resistance.

Photo-curable coating composition and coated article

Novel UV absorbers of benzotriazine type having a plurality of (meth)acryloxy groups have a UV absorbing capacity and a high solubility in multifunctional (meth)acrylate. By combing the (meth)acrylic functional UV absorber with various binder precursors such as photo-curable multifunctional (meth)acrylate, there are obtained coating compositions having improved crosslinking density, UV absorbing capacity, anti-bleeding property, and shelf stability.

An organic resin laminate comprising an organic resin substrate and a multilayer coating system thereon has weather resistance and mar resistance. The multilayer coating system includes an outermost layer (I) which is a hard film resulting from plasma polymerization of an organosilicon compound and an intermediate layer (II) which is a cured film of a composite coating composition (2) comprising inorganic oxide nanoparticle and vinyl copolymer.

Organic resin laminate, methods of making and using the same, and articles comprising the same

A UV-shielding coating composition comprises (A) a dispersion in a dispersing medium of composite zinc oxide nanoparticles which are obtained by coating surfaces of zinc oxide nanoparticles with an oxide or hydroxide of Al, Si, Zr and Sn, the dispersion having a photocatalytic degradability of up to 25%, (B) a vinyl copolymer obtained from copolymerization of an alkoxysilyl-containing vinyl monomer, a UV-absorbing vinyl monomer, and another monomer, and (C) a solvent. The composition is transparent to visible light, UV-shielding, mar resistant, weatherable, and durable.

UV-shielding coating composition and coated article

A method for preparing a primer composition adapted to form a polysiloxane hard film on a cured primer layer of the composition comprising processes [1] or [2]: the process [1] comprising the steps of (I) preparing a primer precursor containing a vinyl polymer having a hydrolysable silyl group and an organic UV absorbing group bonded at side chains thereof and silica fine particles dispersed in an organic solvent; (II) adding water to the primer precursor obtained in (I) for hydrolysis; and (III) adding a dehydrating agent to the composition containing the hydrolyzate obtained in (II) to remove moisture from the composition; or the process [2] comprising (IV) hydrolyzing a vinyl polymer having a hydrolysable silyl group and an organic UV absorbing group bonded at side chains thereof by addition of water thereto; (V) adding silica fine particles dispersed in an organic solvent to the resulting hydrolyzate obtained in (IV); and (VI) adding a dehydrating agent to the composition obtained in (V) to remove moisture from the composition.

Method for preparing a primer composition and coated product

A UV-shielding silicone coating composition comprises (A) a dispersion in a dispersing medium of composite zinc oxide nanoparticles which are obtained by coating zinc oxide nanoparticles with an oxide or hydroxide of Al, Si, Zr or Sn, the dispersion having a photocatalytic degradability of up to 25%, (B) a silicone resin, (C) a curing catalyst, and (D) a solvent, the solids content of composite zinc oxide nanoparticle dispersion (A) being 1 to 50% by weight based on silicone resin (B). The composition is transparent to visible light, mar resistant, UV-shielding, weatherable, and durable.

UV-shielding silicone coating composition and coated article

A silicone coating composition is provided comprising (A) a hydrolytic condensate obtained by (co)hydrolytic condensation of an alkoxysilane, (B) colloidal silica, (C) a urethane-modified vinyl polymer, (D) a curing catalyst, and (E) a solvent, the solid content of component (C) being 1 to 30% by weight based on the total solid content of components (A) and (B). The silicone coating composition can be coated and cured to an organic resin substrate without a need for primer, and the cured coating is abrasion resistant and transparent to visible light.

Abrasion resistant silicone coating composition, coated article, and making method

An organic resin laminate comprising an organic resin substrate and a multilayer coating system thereon has UV-shielding property and high mar resistance. The multilayer coating system includes an outermost layer (I) resulting from plasma polymerization of an organosilicon compound, a lower layer (II) of a silicone coating composition comprising composite oxide nanoparticle dispersion, silicone resin, curing catalyst, and solvent, and optionally a bottom layer (III) of acrylic resin.

Organic resin laminate

A composition comprising (A) a hydrolytic condensate of a bisphenol A alkoxysilane, (B) silica colloid sol, and (C) a curing catalyst is coated and cured to a transparent substrate to form a transparent film having crack resistance, flexibility and water vapor barrier properties.

Coating composition and coated article

A primer composition for a polysiloxane hard coating is provided. This primer composition comprises (A) a vinyl polymer having a hydrolyzable silyl group and/or SiOH group and an organic UV absorbing group bonded to its side chain, and (B) fine silica particles dispersed in an organic solvent, and the primer layer formed after coating and curing has a coefficient of linear expansion of up to 150&#xd7;10/&#xb0; C.

Primer composition and coated article

A curable composition comprises (A) an organic/inorganic composite in which a hydrolyzable silyl group and/or SiOH group-containing polysiloxane is bonded to a vinyl polymer through a Si&#x2014;C bond, and (B) an organic UV absorber having a molecular weight of at least 500 and a weight retentivity of at least 95% when held at 150&#xb0; C. for 24 hours in an open state. The curable composition is coated and cured to an article, whereby the article is endowed with satisfactory weathering resistance while minimizing coloration or degradation.

Curable composition and coated article

Growing community of inventors

Annaka, Japan

Koichi Higuchi