Abstract: The invention relates to thermosetting powder compositions which give coatings proving remarkable weatherability, excellent mechanical properties and an outstanding flow containing a binder which comprises a mixture of amorphous polyesters (A) containing from 50 to 100 mol % of isophthalic acid and from 70 to 100 mol % of neopentyl glycol, and (B) which comprises from 75 to 100 mol % of at least one straight-chain saturated di-carboxylic aliphatic acid having from 4 to 14 carbon atoms and from 75 to 100 mol % of at least one branched chain aliphatic diol.

Abstract: A radiation curable powder coating composition for preparing low gloss coatings, comprises as a binder a mixture of 30 to 90 weight % of one or more (meth)acryloyl group containing amorphous polyester resins having an unsaturated equivalent weight of more than 700 g/double bond and an isophthalic acid content of from 65 to 100 weight %, calculated on all the acids, and 10 to 70 weight % of one or more (meth)acryloyl group containing acrylic copolymers having an unsaturated equivalent weight of up to 1250 g/double bond.

Abstract: A radiation curable powder coating composition for preparing low gloss coatings, comprises as a binder a mixture of 30 to 90 weight % of one or more (meth)acryloyl group containing amorphous polyester resins having an unsaturated equivalent weight of more than 700 g/double bond and 10 to 70 weight % of one or more (meth)acryloyl group containing acrylic copolymers having an unsaturated equivalent weight of less than 700 g/double bond.

Abstract: The present invention relates to powder compositions curable by ultraviolet irradiation or by accelerated electron beams. These powder compositions comprise at least one ethylenically unsaturated resin, and lend to the production of paint and varnish coatings exhibiting a unique combination of properties, inter alia good flow and mechanical properties and above all outstanding adhesion to metal substrates, persisting on ageing.

Abstract: The present invention relates to an isophthalic acid rich carboxyl functionalized polyester, containing linear chain aliphatic (poly)ether diols, and to thermosetting powder compositions comprising a mixture of the polyester with a beta-hydroxylkylamide group containing cross-linking agent. The invention also relates to the use of said compositions for the preparation of powdered paints and varnishes for the making of coatings and to coating obtained therewith.

Abstract: The invention relates to thermosetting powder compositions which give coatings proving remarkable weatherability, excellent mechanical properties and an outstanding flow containing a binder which comprises a mixture of amorphous polyesters (A) containing from 50 to 100 mol % of isophthalic acid and from 70 to 100 mol % of neopentyl glycol, and (B) which comprises from 75 to 100 mol % of at least one straight-chain saturated di-carboxylic aliphatic acid having from 4 to 14 carbon atoms and from 75 to 100 mol % of at least one branched chain aliphatic diol.

Abstract: The present invention relates to powder compositions curable by ultraviolet irradiation or by accelerated electron beams. These powder compositions comprise at least one ethylenically unsaturated resin, and lend to the production of paint and varnish coatings exhibiting a unique combination of properties, inter alia good flow and mechanical properties and above all outstanding adhesion to metal substrates, persisting on ageing.

Abstract: The invention relates to powder compositions hardenable by radiation usable for preparing paints and varnishes. These powder compositions contain an ethylenically unsaturated resin, a phosphorous containing compound and, eventually, a monomer or oligomer The powder compositions of the invention are especially suited for coating over metal and combine upon melting at low temperatures and curing by radiation a series of properties such as good flow and film flexibility along with an outstanding adhesion to the substrate.

Abstract: A radiation curable powder coating composition for preparing low gloss coatings, comprises as a binder a mixture of 30 to 90 weight % of one or more (meth)acryloyl group containing amorphous polyester resins having an unsaturated equivalent weight of more than 700 g/double bond and an isophthalic acid content of from 65 to 100 weight %, calculated on all the acids, and 10 to 70 weight % of one or more (meth)acryloyl group containing acrylic copolymers having an unsaturated equivalent weight of up to 1250 g/double bond.

Abstract: A radiation curable powder coating composition for preparing low gloss coatings, comprises as a binder a mixture of 30 to 90 weight % of one or more (meth)acryloyl group containing amorphous polyester resins having an unsaturated equivalent weight of more than 700 g/double bond and 10 to 70 weight % of one or more (meth)acryloyl group containing acrylic copolymers having an unsaturated equivalent weight of less than 700 g/double bond.

Abstract: The invention relates to powder compositions hardenable by radiation usable for preparing paints and varnishes. These powder compositions contain an ethylenically unsaturated resin, a phosphorous containing compound and, eventually, a monomer or oligomer The powder compositions of the invention are especially suited for coating over metal and combine upon melting at low temperatures and curing by radiation a series of properties such as good flow and film flexibility along with an outstanding adhesion to the substrate.

Abstract: The present invention relates to an isophthalic acid rich carboxyl functionalised polyester, containing linear chain aliphatic diols, and to thermosetting powder compositions comprising a mixture of the polyester with a (3-hydroxyalkylamide group containing cross-linking agent. The invention also relates to the use of said compositions for the preparation of powdered paints and varnishes for the making of coatings and to coatings obtained therewith.

Abstract: The present invention relates to an isophthalic acid rich carboxyl functionalised polyester, containing linear chain aliphatic (poly)ether diols, and to thermosetting powder compositions comprising a mixture of the polyester with a ?-hydroxylkylamide group containing cross-linking agent. The invention also relates to the use of said compositions for the preparation of powdered paints and varnishes for the making of coatings and to coatings obtained therewith.

Abstract: The present invention relates to powdered thermosetting coating compositions comprising a co-reactable mixture of a glycidyl group containing acrylic copolymer, a carboxylic acid group containing acrylic copolymer, a carboxylic acid group containing polyester, all 3 compounds having a high Tg, along with a low Tg counter part 1 to 3 of these compounds, and a thermosetting catalyst. These thermosetting powder coatings particularly are designed for coating heat-sensitive substrates and produce a finish which exhibits reduced gloss.

Abstract: A radiation curable powder coating composition is disclosed, which comprises a blend of (meth)acryloyl group containing polyphenoxy resin, a (meth)acryloyl group containing resin other than the polyphenoxy resin and other than a (meth)acryloyl group containing amorphous polyester and, eventually, a (meth)acryloyl group containing monomer or oligomer. These powders give coatings with improved chemical resistance and flexibility.

Abstract: The present invention relates to powdered thermosetting compositions comprising as binder a co-reactable particulate mixture of a carboxyl group containing amorphous polyester, a glycidyl group containing acrylic copolymer and a curing agent having functional groups, reactable with the polyester’ carboxyl groups. The invention also relates to the use of said compositions for the preparation of powdered paints and varnishes which give semi gloss coatings with an adjustable gloss, providing an outstanding flow, excellent mechanical properties, good solvent resistance and weathering.

Abstract: The present invention relates to powdered thermosetting compositions including a binder which comprises a carboxyl group containing amorphous isophthalic acid containing polyester, a carboxyl group containing aliphatic semi-crystalline polyester, an optional and different carboxyl group containing semi-crystalline polyester, at least 5 parts by weight, based on the total weight of the binder, of a specific glycidyl group containing acrylic copolymer and a curing agent having functional groups reactive with the polyesters' carboxyl groups. The powdered thermosetting compositions are useful for the preparation of powdered paints and varnishes which give semi-matt coatings having an outstanding flow, a remarkable weatherability and excellent mechanical properties.

Abstract: The present invention relates to powdered thermosetting compositions including a binder which comprises a carboxyl group containing amorphous isophthalic acid containing polyester, a carboxyl group containing semi-crystalline polyester, at least 10 parts by weight, based on the total weight of the binder, of a specific glycidyl group containing acrylic copolymer and a curing agent having functional groups reactive with the polyesters' carboxyl groups. The powdered thermosetting compositions are useful for the preparation of powdered paints and varnishes which give low gloss coatings having an outstanding flow, a remarkable weatherability and excellent mechanical properties.

Abstract: A radiation curable powder coating composition is disclosed, which comprises a blend of (meth)acryloyl group containing polyphenoxy resin, a (meth)acryloyl group containing resin other than the polyphenoxy resin and other than a (meth)acryloyl group containing amorphous polyester and, eventually, a (meth)acryloyl group containing monomer or oligomer.

Abstract: The invention relates to powder compositions hardenable by radiation usable for preparing paints and varnishes. These powder compositions contain an ethylenically unsaturated resin, a phosphorous containing compound and, eventually, a monomer or oligomer. The powder compositions of the invention are especially suited for coating over metal and combine upon melting at low temperatures and curing by radiation a series of properties such as good flow and film flexibility along with an outstanding adhesion to the substrate.