C08G12/42

Aminoplast crosslinker resin compositions, process for their preparation, and method of use

This invention relates to aminoplast crosslinker resins compositions based on at least partially alkylated reaction products A of melamine, formaldehyde and an alkanol with the following parameters: the ratio of the amount of substance n(CH.sub.2O) of combined formaldehyde to the amount of substance n(Mel) of melamine is in the range of from 5.6 mol/mol to 6.2 mol/mol, the ratio of the amount of substance n(RO) of alkyl ether groups in the crosslinker resin to the amount of substance n(Mel) of melamine is in the range of from 5.0 mol/mol to 5.6 mol/mol, the mass fraction of monomer in the resin, calculated as the ratio of the mass of monomer m(1) to the mass m(A) of the reaction products A is between 35% and 55%, to a process for their preparation, and to a method of use thereof as crosslinker in combination with hydroxy-functional polymers for coating of heat-sensitive substrates.

Method for forming pattern using antireflective coating composition including photoacid generator

An antireflective coating composition, including a polymer, a photoacid generator having a crosslinkable group, a compound capable of crosslinking the polymer and the photoacid generator, a thermal acid generator, and an organic solvent.

Formaldehyde free crosslinking compositions

The present invention relates to reaction products H of at least one cyclic urea U, at least one multifunctional aldehyde A and at least one polyol P, process for preparing thereof and compositions comprising thereof.

One pack low temperature cure coating compositions

This invention relates to coating compositions comprising at least one aminoplast crosslinker resin A, binder resins B that have active hydrogen functionality, and a catalyst composition C, wherein the catalyst composition C is a mixture of an organic sulfonic acid C1, and an amine C2 which may be primary, secondary, or tertiary, and which must have a pKa value of not more than 10, and preferably not less than 4, a process for the preparation thereof, and to a method of use thereof.

METHOD FOR FORMING PATTERN USING ANTIREFLECTIVE COATING COMPOSITION INCLUDING PHOTOACID GENERATOR

An antireflective coating composition, including a polymer, a photoacid generator having a crosslinkable group, a compound capable of crosslinking the polymer and the photoacid generator, a thermal acid generator, and an organic solvent.

Encapsulated perfume compositions

An encapsulated perfume composition comprising at least one perfume-containing aminoplast core-shell microcapsule dispersed in an aqueous suspending medium, the microcapsule being characterized in that it bears a positive charge.

CURABLE AMINOPLAST ACRYLIC POLYOL COMPOSITIONS, PROCESS FOR THEIR PREPARATION AND METHODS OF USE
20200115481 · 2020-04-16 ·

A curable aminoplast acrylic polyol composition containing, calculated as solids on all the solids of the composition, (a) 50 to 85% by weight of at least one type of an acrylic polyol having a glass transition temperature Tg of from 15 to <50 C., an equivalent weight of hydroxyl groups on solids of from 330 to 420, a hydroxyl number on solids of from 120 to 180 mg KOH/g, and a number average of the molecular weight (Mn) of 1,000 to 3,000 Dalton, and (b) 15 to 50% by weight of an alkylated amino formaldehyde resin having a formaldehyde content in accordance with DIN EN ISO 11402 4.3 of less than 0.10%, and the amino compound is melamine, guanamine, benzoguanamine, urea, toluenesulfonamide and glycoluril, and the alkylated amino formaldehyde resin containing at least one type of alkyl groups having 1 to 12 carbon atoms, and (c) 0.5 to 5.0% by weight of at least one type of an acidic catalyst, together with a process of for preparation of the composition and methods of using the composition.

Matte clear coating composition for aluminum member
10487234 · 2019-11-26 · ·

A matte clear coating composition for an aluminum member, comprising acrylic resin (A) having a hydroxy value of 100 to 200 mgKOH/g; melamine resin (B); silica particles (C) having an average particle size of 1.0 to 15 m; and polyolefin wax (D) having an average particle size of 10 to 40 m and a melting point of 145 C. to 180 C., the matte clear coating composition comprising 5 to 20 mass % of silica particles (C) and 3 to 15 mass % of polyolefin wax (D) based on the total solids content of acrylic resin (A) and melamine resin (B). The matte clear coating composition for an aluminum member satisfies both corrosion resistance and abrasion resistance (scratch resistance).

Formaldehyde free crosslinking compositions

The present invention relates to reaction products H of at least one cyclic urea U, at least one multifunctional aldehyde A and at least one polyol P, process for preparing thereof and compositions comprising thereof.

Coating materials and the use thereof in coating systems for components in vehicle interiors

A coating material includes 10 to 30 wt.-% of a polyol, 2 to 15 wt.-% of an etherified melamine-formaldehyde resin, 0.1 to 10 wt.-% of an acid catalyst, and at least one of a flame retardant, a filler, and a pigment in an amount to obtain a filler content in a range of from 60 to 80 wt.-% based on an overall mass of the coating material. The flame retardant is selected from the group consisting of an inorganic flame retardant, a halogenated flame retardant, a nitrified flame retardant, a boracic flame retardant, an intumescent flame retardant, and mixtures thereof.