C09D151/00

PAINT COMPOSITION AND MULTILAYER COATING FILM FORMATION METHOD
20210277273 · 2021-09-09 · ·

To provide a paint composition capable of forming a coating film having a small graininess, having high flip-flop property, and having excellent chipping resistance and adhesion. According to the present invention, there is provided a paint composition including a hydroxy group-containing acrylic resin (A), a hydroxy group-containing polyester resin (B), an amino resin (C), and a titanium oxide-coated light interference pigment (D), which has an L*15 value of 100 or more and an L*110 value of 65 or less, wherein the solid content of the hydroxy group-containing acrylic resin (A) is in the range of 20 to 60 parts by mass, the solid content of the hydroxy group-containing polyester resin (B) is in the range of 10 to 50 parts by mass, the solid content of the amino resin (C) is in the range of 5 to 40 parts by mass, and the solid content of the titanium oxide-coated light interference pigment (D) is in the range of 3 to 25 parts by mass, relative to 100 parts by mass of the total solid content of the hydroxy group-containing acrylic resin (A), the hydroxy group-containing polyester resin (B), and the amino resin (C).

LATEX PAINT CONTAINING TITANIUM DIOXIDE PIGMENT

The present invention relates to latex paints, which contain a) a multistage carboxylated polymer latex binder obtainable by multistage aqueous emulsion polymerisation of a monomer composition M consisting of at least one non-ionic monomer M1, which is selected from C.sub.1-C.sub.20-alkyl esters of acrylic acid, C.sub.1-C.sub.20-alkylesters of methacrylic acid, and vinyl aromatic monomers; one or more monoethylenically unsaturated monomers M2, which are selected from monoethylenically unsaturated monocarboxylic acids having 3 to 6 carbon atoms and monoethylenically unsaturated dicarboxylic acids having 4 to 6 carbon atoms, and optionally one or more non-ionic monomers M3, which are different from monomers M1; where in at least one stage, the relative amount of monomers M2 in added in this stage is at least 6% by weight, based on the total amount of monomers added in said stage, the total amount of monomers M2 being from 0.05 to 5% by weight, based on the total amount of the monomer composition M; b) a titanium dioxide pigment; c) a polymeric dispersant PD which is selected from homo and copolymers of monomers M4, which are selected from monoethylenically unsaturated monocarboxylic acids having 3 to 6 carbon atoms and monoethylenically unsaturated dicarboxylic acids having 4 to 6 carbon atoms, where the monomers M4 make up at least 85% of the monomers forming the polymeric dispersant; and d) an associative thickener polymer.

FLUORO ACRYLATE AND METHODS MAKING AND USING THE SAME
20210147593 · 2021-05-20 ·

A number of variations may include a method including modifying fluorocopolymer polyols, diols, and related copolymers to make polymerizable materials through polymerizable unsaturation. A number of variations may include products, for example but not limited to coatings, films or painting including modifying fluorocopolymer polyols, diols, and related copolymers.

MINERAL OIL BARRIER
20210139661 · 2021-05-13 · ·

The present invention relates to packaging material comprising a plastic substrate comprising at least one surface, and a barrier layer for hydrophobic substances, wherein the barrier layer is in contact with the at least one surface of the plastic substrate, wherein the barrier layer comprises a copolymer, a surface-reacted calcium carbonate, and a mineral material selected from natural ground calcium carbonate and/or precipitated calcium carbonate, as well as a method for producing the same and its use.

MINERAL OIL BARRIER
20210139661 · 2021-05-13 · ·

The present invention relates to packaging material comprising a plastic substrate comprising at least one surface, and a barrier layer for hydrophobic substances, wherein the barrier layer is in contact with the at least one surface of the plastic substrate, wherein the barrier layer comprises a copolymer, a surface-reacted calcium carbonate, and a mineral material selected from natural ground calcium carbonate and/or precipitated calcium carbonate, as well as a method for producing the same and its use.

PREPARATION OF A COATINGS FORMULATION WITH ALKALI SWELLABLE POLYMER PARTICLES

The present invention relates to a process comprising the step of contacting an aqueous dispersion of swelled polymer particles with a rheology modifier and a binder to form a coatings composition with a VOC of less than 50 g/L. The swelled polymer particles arise from neutralization of alkali swellable polymer particles having a high acid core content and a low T.sub.g shell. The composition arising from the process of the present invention is useful for improving open time, especially for low VOC coatings applications.

Aqueous coating composition

The problem to be solved by the present invention is to provide an aqueous coating composition having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment; excellent coating film performance, such as water resistance; and excellent storage stability. The present invention provides an aqueous coating composition comprising (A) acrylic resin particles, (B) a water-soluble acrylic resin, and (C) a phosphoric acid compound represented by a specific formula and having hydrocarbon (and optionally polyoxyalkylene); and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.

Styrene-free coating compositions for packaging articles such as food and beverage containers
10968288 · 2021-04-06 ·

A method of forming a coating on a food or beverage container, which includes spraying a coating composition onto an interior surface of the food or beverage container, where the coating composition includes an emulsion-polymerized latex copolymer having copolymer chains of one or more ethylenically-unsaturated monomers and one or more styrene offset monomers. Preferably, the coating composition is substantially free of BPA, PVC, and styrene. The method may also include curing the sprayed coating composition, thereby providing the coating on the interior surface of the food or beverage container.

Modified polytetrafluoroethylene fine powder and its manufacturing method, and electric wire and tube using it

To optimize the primary particle size of a modified PTFE fine powder to shorten the sintering time during the extrusion molding. A modified polytetrafluoroethylene fine powder which is a fine powder of a non-melt-processable modified polytetrafluoroethylene comprising units derived from tetrafluoroethylene, units derived from hexafluoropropylene, units derived from a perfluoro(alkyl vinyl ether) represented by CF.sub.2═CFO—C.sub.nF.sub.2n+1 (n is an integer of from 1 to 6) and units derived from a (perfluoalkyl)ethylene represented by CH.sub.2═CH—C.sub.mF.sub.2m+1 (m is an integer of from 3 to 7).

Polymer composition containing modified chlorinated polyolefin and method for producing same
10968304 · 2021-04-06 · ·

Provided are: a method for producing a polymer composition containing a modified chlorinated polyolefin, which exhibits excellent production stability; and a coating material which contains a polymer composition containing a modified chlorinated polyolefin. According to the present invention, a polymer composition containing a modified chlorinated polyolefin is obtained by copolymerizing polymerizable monomers including (b) a chlorinated polyolefin having an allyloxy group and (c) one or more compounds selected from among (meth)acrylic acid esters, (meth)acrylic acids and styrene in the coexistence of (a) a compound having an allyloxy group and a hydroxyl group.