C08L77/08

Flame retardant polyamide
20220363827 · 2022-11-17 · ·

A composition contains at least a copolyamide (PA-1) as a component (I), produced by polymerization of at least one lactam and of a monomer mixture (M) which contains at least a C.sub.32-C.sub.40 dimer acid and at least a C.sub.4-C.sub.12 diamine; and a flame retardant (F1) as a component (II). The flame retardant (F1) is selected from melamine cyanurates, magnesium hydroxide, and phosphorus-containing flame retardants. A process can be used for preparing such compositions, and the composition can be used for producing shaped articles.

Flame retardant polyamide
20220363827 · 2022-11-17 · ·

A composition contains at least a copolyamide (PA-1) as a component (I), produced by polymerization of at least one lactam and of a monomer mixture (M) which contains at least a C.sub.32-C.sub.40 dimer acid and at least a C.sub.4-C.sub.12 diamine; and a flame retardant (F1) as a component (II). The flame retardant (F1) is selected from melamine cyanurates, magnesium hydroxide, and phosphorus-containing flame retardants. A process can be used for preparing such compositions, and the composition can be used for producing shaped articles.

BRANCHED AMORPHOUS POLYAMIDE (CO)POLYMERS AND METHODS OF MAKING AND USING SAME

Branched amorphous polyamide (co)polymers having a backbone formed by reacting a reaction mixture including at least 25 mol % of a di-amine selected from a secondary di-amine, a branched di-amine, or a combination thereof; and an aliphatic acid blend including a branched aliphatic dimer acid and a branched aliphatic trimer acid. The molar equivalent ratio of the di¬ amine to the aliphatic acid blend is 0.9-1.1. Preferably, the branched amorphous polyamide (co)polymer is not telechelic. The branched amorphous polyamide (co)polymer preferably exhibits one or more of a shear modulus of from 10,000 to 500,000 Pa at 70° C., a complex viscosity of greater than 1,000,000 mPa*s at 70° C., a glass transition temperature of less than 25° C., or a number average molecular weight of greater than 10,000 Da. Biodegradable and/or compostable adhesive articles including the branched amorphous polyamide (co)polymer also are disclosed.

BRANCHED AMORPHOUS POLYAMIDE (CO)POLYMERS AND METHODS OF MAKING AND USING SAME

Branched amorphous polyamide (co)polymers having a backbone formed by reacting a reaction mixture including at least 25 mol % of a di-amine selected from a secondary di-amine, a branched di-amine, or a combination thereof; and an aliphatic acid blend including a branched aliphatic dimer acid and a branched aliphatic trimer acid. The molar equivalent ratio of the di¬ amine to the aliphatic acid blend is 0.9-1.1. Preferably, the branched amorphous polyamide (co)polymer is not telechelic. The branched amorphous polyamide (co)polymer preferably exhibits one or more of a shear modulus of from 10,000 to 500,000 Pa at 70° C., a complex viscosity of greater than 1,000,000 mPa*s at 70° C., a glass transition temperature of less than 25° C., or a number average molecular weight of greater than 10,000 Da. Biodegradable and/or compostable adhesive articles including the branched amorphous polyamide (co)polymer also are disclosed.

Thixotropy-increasing additive and composition containing said additive

The invention relates to a use of at least one condensation product (A) in the form of the free compound or in the form of a salt of at least one acid as a thixotropy-increasing additive, which condensation product can be obtained by reacting at least one polymerized fatty acid or at least one reaction product (U) of at least two polymerized fatty acids and at least one polyamine having at least two primary amino groups as component (a1) with at least one polyalkylene polyamine, which is capable of forming at least one imidazoline and/or tetrahydropyrimidine unit and which has at least two primary amino groups or at least one primary and at least one secondary amino group, a composition containing at least one such condensation product (A) and at least one thixotropic agent (B), and a use of said composition, which additionally comprises at least one binder (C), as an adhesive, sealant, paint, coating agent, adhesive resin, casting resin, artificial marble, floor covering, polymer concrete, or fiber composite material.

Thixotropy-increasing additive and composition containing said additive

The invention relates to a use of at least one condensation product (A) in the form of the free compound or in the form of a salt of at least one acid as a thixotropy-increasing additive, which condensation product can be obtained by reacting at least one polymerized fatty acid or at least one reaction product (U) of at least two polymerized fatty acids and at least one polyamine having at least two primary amino groups as component (a1) with at least one polyalkylene polyamine, which is capable of forming at least one imidazoline and/or tetrahydropyrimidine unit and which has at least two primary amino groups or at least one primary and at least one secondary amino group, a composition containing at least one such condensation product (A) and at least one thixotropic agent (B), and a use of said composition, which additionally comprises at least one binder (C), as an adhesive, sealant, paint, coating agent, adhesive resin, casting resin, artificial marble, floor covering, polymer concrete, or fiber composite material.

AQUEOUS COATING COMPOSITION COMPRISING A THICKENER PREPARABLE FROM AT LEAST ONE POLYAMIDE AND AT LEAST ONE FURTHER POLYMER

The present invention relates to an aqueous coating composition comprising at least one binder (A) comprising at least one polymeric resin (A1), at least one pigment (B), and an aqueous dispersion of at least one thickener (C), where (C) is obtainable by a method comprising at least the steps (1), (2), (3), and (4), namely preparing a dispersion or solution of at least one polyurethane as a polymeric resin (C2) in at least one organic solvent (step (1)), preparing a mixture of the dispersion or solution obtained by step (1) and of a melt or solution of at least one polyamide as at least one polymeric resin (C1) having an acid number in a range from 1 to 200 mg of KOH per g of (C1) (step (2)), adding water to the mixture obtained by step (2) (step (3)), and removing the organic solvent from the mixture obtained by step (3), to give the aqueous dispersion of (C) (step (4)), to the use thereof for at least partly coating an optionally coated substrate with a basecoat film, to a coating method of this kind, and to a substrate coated accordingly.

AQUEOUS COATING COMPOSITION COMPRISING A THICKENER PREPARABLE FROM AT LEAST ONE POLYAMIDE AND AT LEAST ONE FURTHER POLYMER

The present invention relates to an aqueous coating composition comprising at least one binder (A) comprising at least one polymeric resin (A1), at least one pigment (B), and an aqueous dispersion of at least one thickener (C), where (C) is obtainable by a method comprising at least the steps (1), (2), (3), and (4), namely preparing a dispersion or solution of at least one polyurethane as a polymeric resin (C2) in at least one organic solvent (step (1)), preparing a mixture of the dispersion or solution obtained by step (1) and of a melt or solution of at least one polyamide as at least one polymeric resin (C1) having an acid number in a range from 1 to 200 mg of KOH per g of (C1) (step (2)), adding water to the mixture obtained by step (2) (step (3)), and removing the organic solvent from the mixture obtained by step (3), to give the aqueous dispersion of (C) (step (4)), to the use thereof for at least partly coating an optionally coated substrate with a basecoat film, to a coating method of this kind, and to a substrate coated accordingly.

RESIN COMPOSITION, BONDING FILM, LAYERED BODY INCLUDING RESIN COMPOSITION LAYER, LAYERED BODY, AND ELECTROMAGNETIC WAVE SHIELDING FILM
20220306859 · 2022-09-29 ·

Provided are: a resin composition, containing a polyester polyurethane resin (A), an epoxy resin (B), and a polyamide resin (C); as well as a bonding film, a layered body including a resin composition layer, a layered body, and an electromagnetic wave shielding film, each using the resin composition.

RESIN COMPOSITION, BONDING FILM, LAYERED BODY INCLUDING RESIN COMPOSITION LAYER, LAYERED BODY, AND ELECTROMAGNETIC WAVE SHIELDING FILM
20220306859 · 2022-09-29 ·

Provided are: a resin composition, containing a polyester polyurethane resin (A), an epoxy resin (B), and a polyamide resin (C); as well as a bonding film, a layered body including a resin composition layer, a layered body, and an electromagnetic wave shielding film, each using the resin composition.