Kabushiki Kaisha Toyota Jidoshokki

Toagosei Company, Ltd.

Kuraray Co., Ltd.

Yasuyuki Sanai

Eiichi Okazaki

Kyoko Kumagai

Hidetaka Hayashi

Kazumasa Inata

Naoharu Ueda

Takeshi Fujita

Tetsuya Mitsuoka

Hiroaki Takashima

Satoshi Yoneda

Toshihisa Shimo

Naomasa Furuta

Hisashi Muramatsu

Hiroshi Suzuki

Atsushi Nagasawa

A member for vehicle according to the present invention includes a resinous substrate, and a protective film being formed on a surface of the resinous substrate partially at least. The protective film is made by curing a curing-type coating-agent composition containing: Component (A) (e.g., an isocyanuric ring-containing urethane (meth)acrylate compound) in an amount of from 20 to 80 parts by mass; Component (B) (e.g., an isocyanuric ring-containing tri(meth)acrylate compound free from any urethane bond) in an amount of from 10 to 70 parts by mass; Component (C) (e.g., a reaction product) between a colloidal silica and an alkoxysilane compound having a maleimide group) in amount of from 1 to 35 parts by mass; a radical-polymerization initiator serving as Component (D) in an amount of from 0.1 to 10 parts by mass; an ultraviolet absorber serving as Component (E) in an amount of from 1 to 12 parts by mass; and an organic solvent serving as Component (F) in an amount of from 10 to 1,000 parts by mass; with respect to a sum of the Component (A), the Component (B), and the Component (C) being taken as 100 parts by mass. Said protective film demonstrates excellent wear resistance and weatherability.

Member for vehicle and manufacturing process for the same

A curing-type coating-agent composition according to the present invention contains: Component (A) (e.g., an isocyanuric ring-containing urethane (meth)acrylate compound) in an amount of from 20 to 80 parts by mass; Component (B) (e.g., an isocyanuric ring-containing tri(meth)acrylate compound free from any urethane bond) in an amount of from 10 to 70 parts by mass; Component (C-1) (e.g., a reaction compound between a colloidal silica and an alkoxysilane compound having a maleimide group) in amount of from 1 to 35 parts by mass, or Component (C-2) (e.g., a specific organosilicon compound) in an amount of from 5 to 35 parts by mass; a radical-polymerization initiator serving as Component (D) in an amount of from 0.1 to 10 parts by mass; an ultraviolet absorber serving as Component (E) in an amount of from 1 to 12 parts by mass; and an organic solvent serving as Component (F) in an amount of from 10 to 1,000 parts by mass; with respect to a sum of the Component (A), the Component (B), and the Component (C-1) or the Component (C-2) being taken as 100 parts by mass. The aforementioned composition demonstrates excellent wear resistance and weatherability as a coating agent for plastic substrate, or the like, which is employed outside.

Curing-type coating-agent composition

A member for vehicle according to the present invention includes a resinous substrate, and a protective film being formed on a surface of the resinous substrate partially at least. The protective film is made by curing a curing-type coating-agent composition containing: Component (A) (e.g., an isocyanuric ring-containing urethane (meth)acrylate compound) in an amount of from 20 to 80 parts by mass; Component (B) (e.g., an isocyanuric ring-containing tri(meth)acrylate compound free from any urethane bond) in an amount of from 10 to 70 parts by mass; Component (C) including a specific organosilicon compound in an amount of from 5 to 35 parts by mass; a radical-polymerization initiator serving as Component (D) in an amount of from 0.1 to 10 parts by mass; an ultraviolet absorber serving as Component (E) in an amount of from 1 to 12 parts by mass; and an organic solvent serving as Component (F) in an amount of from 10 to 1,000 parts by mass; with respect to a sum of the Component (A), the Component (B), and the Component (C) being taken as 100 parts by mass. Said protective film demonstrates excellent wear resistance and weatherability.

Disclosed is a curable coating agent composition which exhibits excellent wear resistance and weather resistance when applied as a coating agent to plastic or other substrates to be used outdoors. The curable coating agent composition comprises 95 to 65 parts by mass of a component (A) comprising an urethane adduct compound having weather resistance, 5 to 35 parts by mass of a component (B) comprising a specific organosilicon compound, 0.1 to 10 parts by mass of a component (C) which is a radical polymerization initiator, 1 to 12 parts by mass of a component (D) which is an ultraviolet ray absorber, and 10 to 1,000 parts by mass of a component (E) which is an organic solvent, with respect to 100 parts by mass of the components (A) and (B) in total.

Curable coating agent composition

A member for vehicle according to the present invention is equipped with a resinous substrate, and a protective film being formed on a surface of the resinous substrate partially at least. The protective film is made by curing a curing-type coating-agent composition that includes: Component (A) including a urethane adduct compound exhibiting weatherability in an amount of from 99 to 65 parts by mass; Component (B) comprising a reaction product between a colloidal silica and an alkoxysilane compound having a maleimide group in an amount of from 1 to 35 parts by mass; a radical-polymerization initiator serving as Component (C) in an amount of from 0.1 to 10 parts by mass; an ultraviolet absorber serving as Component (D) in an amount of from 1 to 12 parts by mass; and an organic solvent serving as Component (E) in an amount of from 10 to 1,000 parts by mass; with respect to a sum of Component (A) and Component (B) being taken as 100 parts by mass. The member for vehicle according to the present invention exhibits excellent wear resistance and weatherability.

A curing-type coating-agent composition according to the present invention contains: Component (A) including a urethane adduct compound exhibiting weatherability in an amount of from 99 to 65 parts by mass; Component (B) comprising a reaction product between a colloidal silica and an alkoxysilane compound having a maleimide group in an amount of from 1 to 35 parts by mass; a radical-polymerization initiator serving as Component (C) in an amount of from 0.1 to 10 parts by mass; an ultraviolet absorber serving as Component (D) in an amount of from 1 to 12 parts by mass; and an organic solvent serving as Component (E) in an amount of from 10 to 1,000 parts by mass; with respect to a sum of Component (A) and Component (B) being taken as 100 parts by mass. The composition according to the present invention demonstrates excellent wear resistance and weatherability as a coating agent for plastic substrate, or the like, which is employed outside.

Disclosed is a vehicle member comprising a resin substrate and a protective film formed on at least a part of the surface of the resin substrate. The protective film is produced by curing a curable coating agent composition, wherein the curable coating agent composition comprises 95 to 65 parts by mass of a component (A) comprising an urethane adduct compound having weather resistance, 5 to 35 parts by mass of a component (B) comprising a specific organosilicon compound, 0.1 to 10 parts by mass of a component (C) which is a radical polymerization initiator, 1 to 12 parts by mass of a component (D) which is an ultraviolet ray absorber, and 10 to 1,000 parts by mass of a component (E) which is an organic solvent, with respect to 100 parts by mass of the components (A) and (B) in total.

Vehicle member and process for producing the same

To provide a light diffusion film that contributes lightweight with reduction in thickness, a planar light source element utilizing the light diffusion film, and a liquid crystal display device utilizing the light diffusion film and/or the planar light source element. A light diffusion film () having a plurality of projections () of a specific shape is at least partly formed from a composition containing a mixture of a photocurable compound and a particulate material. A light guide plate (), provided with one or more light sources () at one side face thereof, is bonded to vertexes of the projections () to provide a planar light source element, which is thin and lightweight and capable of emitting non-glaring light uniformly from the entire surface thereof.

Light diffusion film and planar light source element and liquid crystal display device utilizing the same

An active energy beam-curable composition for optical material is provided that comprises (A) a di(meth)acrylate represented by the following formula (1) and (B) a mono(meth)acrylate represented by the following formula (2) and/or a mono(meth)acrylate represented by the following formula (3), wherein the active energy beam-curable composition contains 10 to 90 wt % of the component (A) and 90 to 10 wt % the component (B) on the basis of the total weight of the components (A) and (B).  In the formula, Rand Rindependently represents a hydrogen atom or a methyl group, Rand Rindependently represents a hydrogen atom, a methyl group or an ethyl group, Rto Rindependently represents a hydrogen atom, a methyl group or a bromine atom, and l and m independently represents an integer of 1 to 6, Rrepresents a hydrogen atom or a methyl group, Rrepresents a hydrogen atom or a methyl group.

Growing community of inventors

Nagoya, Japan

Yasuyuki Sanai