C09D5/02

BINDER COMPOSITION FOR BOARD COATING SLIPS
20230049303 · 2023-02-16 ·

The invention relates to a coating slip comprising (i) an aqueous dispersion of one or more vinyl acetate polymers, obtainable by free-radically initiated emulsion polymerization of 77% to 99% by weight of vinyl acetate, 1% to 13% by weight of ethylene and 0% to 10% by weight of one or more monoethylenically unsaturated monomers that are neither vinyl acetate nor ethylene, where the amounts of the monomers add up to 100% by weight, (ii) an aqueous dispersion of one or more styrene copolymers, obtainable by free-radically initiated emulsion polymerization of a monomer composition comprising 35% to 70% by weight of styrene, 20% to 60% by weight of one or more esters of acrylic and/or methacrylic acid with alkanols having 1 to 12 carbon atoms, or of one or more conjugated aliphatic dienes, 1% to 10% by weight of one or more monomers comprising acid groups, where the amounts of the monomers add up to 100% by weight, (iii) inorganic pigments and (iv) optionally further auxiliaries, where the total amount of emulsion polymers (i) and (ii) is 10 to 30 parts by weight based on 100 parts by weight of inorganic pigment (iii) and where the weight ratio of the styrene copolymer to the vinyl acetate polymer is 77:23 to 93:7, and to a method of producing the coating slip, to the use thereof for coating board, to a method of coating board with the coating slip and to the board coated thereby.

Multicolor dispersion and multicolor coating composition formed therefrom

A multicolor dispersion comprising a protective composition and two or more colorant dispersions, wherein the protective composition comprises (1) an aqueous dispersion of polymer particles comprising from 89% to 99.45% by weight, based on the total dry weight of the protective composition, of polymer particles, wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 2% by weight, based on the total dry weight of the polymer, of an anionic stabilizer monomer represented by the following Formula I, ##STR00001##
wherein R.sub.1 is a linkage group between R.sub.2 and a vinyl group, R.sub.2 is ethylene or propene or butylene, n is from 0 to 50, M is a counter salt of potassium, sodium, ammonium or lithium; wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 5% by weight, based on the total dry weight of the polymer, of a non-reactive anionic surfactant having an ethylene oxide chain length of less than 11; and (2) from 0.5% to 10% by weight, based on the total dry weight of the protective composition, of a clay.

Gelatin or pectin based antimicrobial surface coating material

The present invention relates to a gelatin or pectin based antimicrobial surface coating material. In the present invention, boron compounds are mixed with gelatin or pectin and a surface coating material in the form of a film is obtained. The said coating material can be used in all packaging industry requiring hygiene particularly in food industry. The invention enables packages to be antifungal, anticandidal and antibacterial.

Polymeric dispersants containing one or two quaternary amine anchoring groups with improved chemical and thermal stability

The present invention relates to a dispersant having a tertiary or quaternary amine anchoring group and a solubilizing polymer selected from C.sub.8-50 fatty acid; a C.sub.8-50 ak(en)yl substituted succinic acid, anhydride or partial ester; a dimer or trimer fatty acid; and/or polymers from repeating units of polyesters, polyethers, polyacrylate, polyamides, polyurethanes or mixtures of said repeating units in a random or blocky copolymer. The dispersants are an improvement in that the alkylene connecting group between the tertiary or quaternized amine and the solubilizing polymer lacks abstractable hydrogen atoms at the geminal carbon atom from the nitrogen of the tertiary or quaternized amine over the prior art. The dispersants are useful as dispersants with improved thermal stability and low amounts yellow color after aging at elevated temperatures.

EVAPORATION RETARDANT MEMBRANE FOR ODORANT COMPOSITIONS
20230044427 · 2023-02-09 ·

The present invention relates to an evaporation retardant membrane for odorant compositions, which comprises a sheet-like support permeable to odorants, and at least one polymer coating arranged on one surface of the sheet-like support, wherein the sheet-like support is permeable to fragrances and where on at least one surface of the sheet-like support at least one polymer coating is arranged only on a part of the surface of the sheet-like support, such that the total coverage of the surface by all polymer coatings is 10 to 90%, and each quarter square centimeter of said surface is covered by a polymer coating to an extent of at least 10%. The present invention also relates to a device for controlled release of an odorant composition comprising a container for receiving an odorant composition, where the container has an opening, which is covered by the evaporation retardant membrane and the use of such a device for controlled release of odorant compositions.

RADIATOR COATED WITH HEAT DISSIPATION LAYER, AND METHOD OF COATING RADIATOR
20230040390 · 2023-02-09 ·

A radiator according to one embodiment of the present invention comprises at least one group of heat dissipation layers that are applied to the surface of the radiator so as to be sequentially layered thereon, wherein the one group of heat dissipation layer comprises a first coating layer formed by applying either a first dispersion solution or a second dispersion solution, and a second coating layer formed by applying the dispersion solution differing from that on the first coating layer, the first dispersion solution comprises positively charged metal oxide nanoparticles, and the second dispersion solution comprises negatively charged carbon nanotubes (CNT-COOH). The heat dissipation layer is formed in a porous thin film structure so as to have thickness of several micrometers, and thus increases a heat dissipation area by ten times, thereby improving heat dissipation efficiency, and can be applied without being restricted by the size, volume, shape, arrangement and the like of a radiator.

Curable film-forming compositions comprising catalyst associated with a carrier and methods for coating a substrate

Methods of coating a substrate are disclosed. The methods comprise applying shear force to a coating composition either before or during application of the coating composition to the substrate. The coating composition comprises a water-borne or solvent-borne film-forming resin and a catalyst associated with a carrier, wherein at least some of the catalyst can be released from the carrier upon application of the shear force. Also provided are coated articles prepared by the methods.

SELF-DISINFECTING SURFACES
20180002533 · 2018-01-04 · ·

The invention relates to an aqueous coating composition comprising a compound having reactive groups A, and a quaternary ammonium compound according to Formula I, II or III

##STR00001## wherein R.sup.1 is an alkyl, alkenyl, alkylaryl or arylalkyl group having from 5 to 50 carbon atoms; R.sup.2 is a C.sub.1-C.sub.100 hydrocarbyl group, optionally containing heteroatoms; R.sup.3 and R.sup.4 are alkylene groups having from 1 to 4 carbon atoms; R.sup.5 and R.sup.6 are H or C.sub.1-C.sub.100 hydrocarbyl group, optionally containing heteroatoms; R.sup.7 is a C.sub.1-C.sub.100 hydrocarbyl group, optionally containing heteroatoms; R.sup.8 is a C.sub.1-C.sub.100 hydrocarbyl group, optionally containing heteroatoms; R.sup.9 is H or a methyl group; Z is a substituent containing at least one reactive group B which is capable of reacting with the reactive group A; X.sup.− is an anion; y is 0 or 1; a is 0 or 1; and the sum of y and a is 1 or 2 and m is an integer from 1 to 30, preferably between 1 and 10, or between 2 and 6 n is an integer from 0-30, preferably between 1 and 10, or 2 and 6 T is a monomer unit; U is a monomer unit; V is a C.sub.1-C.sub.100 hydrocarbyl group, optionally containing hetero atoms; d is an integer between 1 and 5, preferably 1; e is an integer between 1 and 1000, preferably between 5 and 100; g is an integer between 1 and 100, preferably between 2 and 10; h is an integer between 1 and 5, preferably 2 or 3.

SELF-DISINFECTING SURFACES
20180002533 · 2018-01-04 · ·

The invention relates to an aqueous coating composition comprising a compound having reactive groups A, and a quaternary ammonium compound according to Formula I, II or III

##STR00001## wherein R.sup.1 is an alkyl, alkenyl, alkylaryl or arylalkyl group having from 5 to 50 carbon atoms; R.sup.2 is a C.sub.1-C.sub.100 hydrocarbyl group, optionally containing heteroatoms; R.sup.3 and R.sup.4 are alkylene groups having from 1 to 4 carbon atoms; R.sup.5 and R.sup.6 are H or C.sub.1-C.sub.100 hydrocarbyl group, optionally containing heteroatoms; R.sup.7 is a C.sub.1-C.sub.100 hydrocarbyl group, optionally containing heteroatoms; R.sup.8 is a C.sub.1-C.sub.100 hydrocarbyl group, optionally containing heteroatoms; R.sup.9 is H or a methyl group; Z is a substituent containing at least one reactive group B which is capable of reacting with the reactive group A; X.sup.− is an anion; y is 0 or 1; a is 0 or 1; and the sum of y and a is 1 or 2 and m is an integer from 1 to 30, preferably between 1 and 10, or between 2 and 6 n is an integer from 0-30, preferably between 1 and 10, or 2 and 6 T is a monomer unit; U is a monomer unit; V is a C.sub.1-C.sub.100 hydrocarbyl group, optionally containing hetero atoms; d is an integer between 1 and 5, preferably 1; e is an integer between 1 and 1000, preferably between 5 and 100; g is an integer between 1 and 100, preferably between 2 and 10; h is an integer between 1 and 5, preferably 2 or 3.

High performance tack coat
11708508 · 2023-07-25 · ·

A tack coat includes a first phase and a second phase. The first phase includes asphalt, and the second phase includes an emulsifier and a rheology modifier. Optionally, the second phase also includes a material insoluble in the water. The pH of the second phase can be between 1-3, 6-8, or 9-13.