Patent classifications
C09D175/06
Aqueous Coating Composition
Provided is an aqueous coating composition which has excellent storage stability and whereby high coating film performance in terms of hardness, water resistance, etc., can be exhibited even when the aqueous coating composition is cured at a relatively low temperature. Disclosed is an aqueous coating composition which contains (A) a resin containing hydroxyl groups and carboxyl groups, (B) a blocked polyisocyanate compound, (C) a phosphate-group-containing compound, and (D) a basic compound, and which has a pH in the range of 7.0-8.2, wherein the basic compound (D) contains a specific quantity of (D1) a basic compound which has an acid dissociation constant (PKa) in the range of 7.0-8.5 and a boiling point in the range of 100-200° C.
Coating composition comprising polysiloxane-modified polyurethane for soft-feel, stain resistant coatings
The present disclosure relates to a 2K coating composition comprising a polysiloxane-modified polyurethane and a hardener, wherein the polysiloxane-modified polyurethane obtainable by a method comprising the following steps: a) subjecting a polyol to a reaction with an isocyanate-functional silane coupling agent to obtain a silane-grafted polyol, and b) subjecting the silane-grafted polyol to a condensation reaction with a hydroxyl-functional polysiloxane, to obtain the polysiloxane-modified polyurethane. The polysiloxane-modified polyurethane can be used in a coating composition to form a coating which has smooth feel, stain resistance and easy clean properties, particularly desired in the field of e.g. consumer electronics and automotive industry.
Coating composition comprising polysiloxane-modified polyurethane for soft-feel, stain resistant coatings
The present disclosure relates to a 2K coating composition comprising a polysiloxane-modified polyurethane and a hardener, wherein the polysiloxane-modified polyurethane obtainable by a method comprising the following steps: a) subjecting a polyol to a reaction with an isocyanate-functional silane coupling agent to obtain a silane-grafted polyol, and b) subjecting the silane-grafted polyol to a condensation reaction with a hydroxyl-functional polysiloxane, to obtain the polysiloxane-modified polyurethane. The polysiloxane-modified polyurethane can be used in a coating composition to form a coating which has smooth feel, stain resistance and easy clean properties, particularly desired in the field of e.g. consumer electronics and automotive industry.
Coating composition comprising polysiloxane-modified polyurethane for soft-feel, stain resistant coatings
The present disclosure relates to a 2K coating composition comprising a polysiloxane-modified polyurethane and a hardener, wherein the polysiloxane-modified polyurethane obtainable by a method comprising the following steps: a) subjecting a polyol to a reaction with an isocyanate-functional silane coupling agent to obtain a silane-grafted polyol, and b) subjecting the silane-grafted polyol to a condensation reaction with a hydroxyl-functional polysiloxane, to obtain the polysiloxane-modified polyurethane. The polysiloxane-modified polyurethane can be used in a coating composition to form a coating which has smooth feel, stain resistance and easy clean properties, particularly desired in the field of e.g. consumer electronics and automotive industry.
LAMINATED FILM
The present invention provides an environment-responsive laminated film including an inorganic thin film layer and a protective layer in this order on a substrate film layer using a polyester resin recycled from PET bottles. The laminated film has excellent barrier properties and adhesiveness even after a severe wet heat treatment and has less deterioration in appearance of the film even after retorting. The laminated film comprises a substrate film; an inorganic thin film layer on at least one surface of the substrate film; and a protective layer containing a urethane resin on the inorganic thin film layer, wherein (a) the substrate film contains 50% by weight or more of a polyester resin recycled from PET bottles; (b) standard deviation of a haze after retorting the laminated film at 130° C. for 30 minutes is 0.5% or less; and (c) an adhesion amount of the protective layer is 0.5 g/m.sup.2 or less.
Coating compositions including urethane alkyd and acrylic latex resins
Disclosed is a coating composition that generally includes a waterborne alkyd resin including urethane groups and a crosslinking acrylic latex resin. An alkyd resin and an acrylic latex resin can be included in a composition in relative amounts to yield a cured coating that has a higher pendulum hardness than that of a coating formed from an otherwise identical composition that excludes the acrylic latex resin. The composition can be formulated such that solids of said waterborne urethane alkyd resin and solids of said crosslinking acrylic latex resin are present in a mass ratio ranging from 20:80 to 80:20 with respect to one another A method of preparing a coating composition generally includes blending relative amounts of an alkyd resin and an acrylic latex resin.
Coating compositions including urethane alkyd and acrylic latex resins
Disclosed is a coating composition that generally includes a waterborne alkyd resin including urethane groups and a crosslinking acrylic latex resin. An alkyd resin and an acrylic latex resin can be included in a composition in relative amounts to yield a cured coating that has a higher pendulum hardness than that of a coating formed from an otherwise identical composition that excludes the acrylic latex resin. The composition can be formulated such that solids of said waterborne urethane alkyd resin and solids of said crosslinking acrylic latex resin are present in a mass ratio ranging from 20:80 to 80:20 with respect to one another A method of preparing a coating composition generally includes blending relative amounts of an alkyd resin and an acrylic latex resin.
Coating compositions including urethane alkyd and acrylic latex resins
Disclosed is a coating composition that generally includes a waterborne alkyd resin including urethane groups and a crosslinking acrylic latex resin. An alkyd resin and an acrylic latex resin can be included in a composition in relative amounts to yield a cured coating that has a higher pendulum hardness than that of a coating formed from an otherwise identical composition that excludes the acrylic latex resin. The composition can be formulated such that solids of said waterborne urethane alkyd resin and solids of said crosslinking acrylic latex resin are present in a mass ratio ranging from 20:80 to 80:20 with respect to one another A method of preparing a coating composition generally includes blending relative amounts of an alkyd resin and an acrylic latex resin.
A 2K CLEARCOAT COMPOSITION, ITS PREPARATION AND USE THEREOF
Described herein is a 2K clearcoat composition including, Component I including a). at least one resin having carboxylic acid groups with acid value of 50 to 400 mg KOH/g; b). at least one resin having hydroxyl functional groups with a hydroxyl value of 10 to 800 mg KOH/g; c). at least one catalyst; and d). at least one solvent, and Component II including e). at least one epoxy-functional alkoxysilane and/or its oligomer and/or its polymer; and f). at least one crosslinker reactive to hydroxyl groups.
Also described herein are a substrate coated with the dried and cured 2K clearcoat composition and an automotive including the substrate.
INK-RECEPTIVE COATINGS FOR PRINTING ON ABSORBING SUBSTRATES
Provided are ink-receptive coating compositions including: (a) an aqueous anionic polyurethane dispersion; and (b) an aqueous solution of a nonionic polyurethane. Methods of coating substrates, and of printing, including providing and/or coating the composition onto a substrate are also provided.