B05D7/542

Undercoating and Articles of Manufacture Coated Therewith
20200317947 · 2020-10-08 ·

The present invention is directed to an undercoating composition comprising: a) a vinyl chloride-vinyl acetate copolymer obtained by polymerization of a co-monomer mixture comprising, based on the total weight of the co-monomers, from 85 to 98 wt. % of vinyl chloride, from 2 to 10 wt. % of vinyl acetate and from 0 to 5% by weight of a co-monomer selected from C.sub.2 to C.sub.8 olefins, vinylidene chloride and styrene; b) plasticizer comprising or consisting of at least one epoxidized natural oil; and, c) at least one aliphatic, cycloaliphatic or aromatic compound having a blocked isocyanate group, wherein said isocyanate group is blocked with a blocking agent capable of de-blocking at a temperature in the range of +/20 C. compared to the de-blocking temperature of the corresponding isocyanate being blocked with nonylphenol.

Enhanced ceramic coating

The present invention relates to an enhanced ceramic coating, ECC, composition comprising a non-stick ceramic coating composition, CCC, and 0.2 wt %-2 wt % diamond additive, DA with wt % compared with the total weight compared to the ECC composition. It also relates to a method of coating an artefact with the ECC, and an artefact provided 5 with a dry film coating containing an ECC prepared using an ECC composition of the invention. An artefact coated with the ECC has the combined advantages of durable non-stick, scratch resistance and abrasion resistance.

SUBSTRATE COATED WITH A MULTI-LAYER COATING SYSTEM AND A PROCESS FOR CONTROLLING AQUATIC BIOFOULING ON MAN-MADE OBJECTS USING SUCH MULTI-LAYER COATING SYSTEM

The embodiments herein relate to a substrate coated with a multi-layer coating system including: optionally a primer layer applied to the substrate and deposited from a primer coating composition; a tie-coat layer applied to the substrate or to the optional primer layer, deposited from a tie-coat composition including a binder polymer obtainable by copolymerizing a mixture of ethylenically unsaturated monomers, the binder polymer having curable alkoxysilyl functional groups. The substrate can include a topcoat layer applied to the tie-coat layer, and deposited from a non-aqueous liquid foul release coating composition including a curable resin system including i) a curable polymer and optionally ii) a curing agent and/or a catalyst, where the non-aqueous liquid foul release coating composition is essentially free of a curable polysiloxane.

AQUEOUS COATING COMPOSITION AND METHOD FOR FORMING A COATING FILM

The objective of the present invention is to provide an aqueous coating composition which has excellent curability at low temperatures. The present invention provides an aqueous coating composition which contains an aqueous resin having a hydroxyl group and a carboxyl group (A), a water-dispersible blocked polyisocyanate compound (B), a hydrophilicized carbodiimide compound (C), and an aqueous polyurethane resin (D), wherein the aqueous resin having a hydroxyl group and a carboxyl group (A) has a hydroxyl value of 80 to 200 mgKOH/g and an acid value of 10 to 40 mgKOH/g in terms of resin solid content, the aqueous polyurethane resin (D) has a glass transition point (Tg) of 50 C. or less, and a cured film of the aqueous polyurethane resin (D) has an elongation at break of 400% or more at 20 C.

Aqueous Compositions for Primary Anti-Adhesive Coating and Preparation Method Thereof
20200248001 · 2020-08-06 · ·

Provided is a non-stick coating primer composition, comprising an aqueous composition and a fluorocarbon resin dispersion, wherein the aqueous composition comprises a polyimide or a polyamide imide or a polyamide-amic acid; a Lewis base; a polar aprotic solvent; and at least 15% water compared to the total weight of the composition, wherein the Lewis base is one of an aminosilane or a silazane. Methods for preparing a non-stick coating primer composition are also provided.

COATING AGENT COMPOSITIONS THAT ARE SUITABLE FOR DIP COATING AND THAT CURE AT LOW TEMPERATURE
20200207995 · 2020-07-02 ·

Aqueous coating compositions are provided. The aqueous compositions include at least one type of organic polymer particles having an average particle size of 10 to 1000 nm, including isocyanate-reactive polymers (A), one or more ketoxime- and/or pyrazole-blocked polyisocyanates (B) including at least one aromatic hydrocarbyl radical or at least one cycloaliphatic hydrocarbyl radical, at least one polyanionic polymer (C), at least one complex fluoride (D) selected from the group consisting of hexa- or tetrafluorides of metallic elements of groups IVb, Vb and VIb of the Periodic Table of the Elements, and at least one aminosilane (E), wherein the aqueous coating compositions have a pH of 3 to 5, and have a total solids content of 5% to 35% by weight. Also provided are processes for producing these aqueous coating compositions, processes for coating metal ion-releasing surfaces with the aqueous coating compositions, and coatings obtained therefrom.

POWDER COATING METHOD AND COATED ARTICLE

The invention relates to a method of coating an article and to a coated article. A method according to the invention comprises: providing a substrate coated with a first powder coating layer; optionally heating the substrate and first layer so as to at least partially melt or soften the first powder coating layer, wherein said first powder coating layer is not or only partially cured; applying a second powder coating layer on said first layer; and curing said first and second layer.

METHODS OF MAKING MULTILAYER ARTICLES COMPRISING A RELEASE SURFACE

Described herein is a process for making a multilayer article comprising forming a first fluoropolymer layer in the absence of liquids by delivering particles from at least one gaseous fluid jet to a metal surface to impregnate the metal surface with a fluoropolymer to form a first fluoropolymer layer, wherein the particles comprise an abrasive particle, a binder, and a first fluoropolymer; coating the first fluoropolymer layer with a second fluoropolymer to form a second fluoropolymer layer and thereby forming a multilayered article; and sintering the multilayered article to form the release surface coated substrate.

Bisphenol A and aromatic glycidyl ether-free coatings

Disclosed are Bisphenol A (BPA), Bisphenol F, Bisphenol A diglycidyl ether (BADGE), and Bisphenol F diglycidyl ether (BFDGE)-free coating compositions for metal substrates including an under-coat composition containing a polyester (co)polymer, and an under-coat cross-linker; and an over-coat composition containing a poly(vinyl chloride) (co)polymer dispersed in a substantially nonaqueous carrier liquid, an over-coat cross-linker, and a functional (meth)acrylic (co)polymer. Also provided is a method of coating a metal substrate using the BPA, BPF, BADGE and BFDGE-free coating system to produce a hardened protective coating useful in fabricating metal storage containers. The coated substrate is particularly useful in fabricating multi-part foodstuffs storage containers with easy-open end closures.

PROCESS FOR MANUFACTURING LACQUER-COATED ELECTRIC SHEET STRIP, AND LACQUER-COATED ELECTRIC SHEET STRIP
20200086343 · 2020-03-19 · ·

In a process for producing a lacquer-coated electric sheet strip a first insulation lacquer layer is applied wet across at least one side of an electric sheet strip. Across the wet first insulation lacquer layer a wet second insulation lacquer layer is applied. In a drying oven drying of the first insulation lacquer layer and the second insulation lacquer layer is performed.