Thermoplastic polypropylene/polyamide molding composition

A homogeneous thermoplastic polypropylene/polyamide molding composition containing as an adhesion promoter an ethylene copolymer polymerized from

• a) from 50 to 98% by weight of ethylene,
• b) from 1 to 45% by weight of one or more alkyl (meth)acrylates of from 1 to 8 carbon atoms in a linear or branched alkyl, but excluding tert-butyl (meth)acrylate,
• c) from 1 to 40% by weight of one or more further monomers containing, attached by bonding, a group which is reactive toward the polyamide and selected from the group consisting of the olefinically unsaturated monocarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic anhydrides, sulfo-containing olefinically unsaturated monomers, sulfonyl-containing olefinically unsaturated monomers and oxazolinyl-containing olefinically unsaturated monomers,
• the weight percentages being based on the total weight of monomers (a), (b) and (c) and always adding up to 100% by weight.

A homogeneous thermoplastic polypropylene/polyamide molding composition consisting of, in each case based on 100 parts by weight of the molding composition,

• A) from 10 to 89.5 parts by weight of one or more polypropylene homopolymers or copolymers,
• B) from 10 to 89.5 parts by weight of one or more polyamides,
• C) from 0.5 to 30 parts by weight of an ethylene copolymer as an adhesion promoter polymerized from
• a) ethylene,
• b) one or more alkyl (meth)acrylates having from 1 to 8 carbon atoms in a linear or branched alkyl, but excluding tert-butyl (meth)acrylate, and
• c) one or more further monomers containing in bonded form a group which is reactive toward the polyamide and selected from the group consisting of olefinically unsaturated monocarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic anhydrides, sulfo- or sulfonyl-containing olefinically unsaturated monomers and oxazolinyl-containing olefinically unsaturated monomers,
• D) from 0 to 30 parts by weight of an elastomer impact modifier and
• E) from 0 to 60 parts by weight of a reinforcing agent, additive of mixtures thereof, said additive being selected from the group consisting of oxidation retardants, thermal stabilizers, UV stabilizers, lubricants, demolding agents, dyes, pigments, nucleating agents and plasticizers.

A homogeneous thermoplastic polypropylene/polyamide molding composition consisting of, in each case based on 100 parts by weight of the molding composition,

• A) from 10 to 89.5 parts by weight of one or more polypropylene homopolymers, copolymers or mixtures thereof,
• B) from 10 to 89.5 parts by weight of one or more polyamides,
• C) from 0.5 to 30 parts by weight of an ethylene copolymer as an adhesion promoter polymerized from, in each case based on (C),
• a) from 50 to 98% by weight of ethylene,
• b) from 1 to 45% by weight of one or more alkyl (meth)acrylates of from 1 to 8 carbon atoms in a linear or branched alkyl, but excluding tert-butyl (meth)acrylate, and
• c) from 1 to 40% by weight of one or more further monomers containing, attached by bonding, a group which is reactive toward the polyamide (B) and selected from the group consisting of the olefinically unsaturated monocarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic anhydride, sulfo-containing olefinically unsaturated monomers, sulfonyl-containing olefinically unsaturated monomers and oxazolinyl-containing olefinically unsaturated monomers,
• D) from 0 to 30 parts by weight of an elastomer impact modifier and
• E) from 0 to 60 parts by weight of a reinforcing agent or additive selected from the group consisting of oxidation retardants, thermal stabilizers, UV stabilizers, lubricants, demolding agents, dyes, pigments, nucleating agents and plasticizers.

A homogeneous thermoplastic polypropylene/polyamide molding composition consisting of, in each case based in 100 parts by weight of components (A) to (E),

• A) from 10 to 89.5 parts by weight of one or more polypropylene homopolymers or copolymers,
• B) from 10 to 89.5 parts by weight of one or more polyamides,
• C) from 0.5 to 30 parts by weight of an ethylene copolymer as an adhesion promoter polymerized from, in each case based on (C),
• a) from 50 to 98% by weight of ethylene,
• b) from 1 to 45% by weight of N-butyl(meth)acrylate or 2-ethylhexyl(meth)acrylate and
• c) from 1 to 40% by weight of (meth)acrylic acid, maleic anhydride, tert-butyl(meth)acrylate or mixtures thereof,
• D) from 0 to 30 parts by weight of an elastomer impact modifier and
• E) from 0 to 60 parts by weight of a reinforcing agent or additive selected from the group consisting of oxidation retardants, thermal stabilizers, UV stabilizers, lubricants, demolding agents, dyes, pigments, nucleating agents and plasticizers.

A homogeneous thermoplastic polypropylene/polyamide molding composition consisting essentially of

• a polypropylene selected from the group consisting of homopolymers of propylene, random- or block-copolymers of propylene and .alpha.- olefins or dienes, and mixtures thereof;
• a polyamide;
• and
• an ethylene polymer, as adhesion promoter, polymerized from
• (a) ethylene,
• (b) one or more alkyl (meth)acrylates of from 1 to 8 carbon atoms in a linear or branched alkyl, but excluding tert-butyl (meth)acrylates, and
• (c) one or more further monomers containing a group which is reactive toward the polyamide selected from the group consisting of the olefinically unsaturated monocarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic anhydrides, sulfo- or sulfonyl-containing olefinically unsaturated monomers and oxazolinyl-containing olefinically unsaturated monomers.

A homogeneous thermoplastic polypropylene/polyamide molding composition consisting essentially of

• a polypropylene selected from the group consisting of homopolymers of propylene, random- or block-copolymers of propylene and .alpha.-olefins or dienes, and mixtures thereof;
• a polyamide;
• and
• an ethylene polymer, as adhesion promoter, polymerized from
• a) from 50 to 98% by weight of ethylene,
• b) form 1 to 45% by weight of one or more alkyl (meth)acrylates of from 1 to 8 carbon atoms in a linear or branched alkyl, but excluding tert-butyl (meth)acrylate,
• c) from 1 to 40% by weight of one or more further monomers containing, attached by bonding, a group which is reactive toward the polyamide and selected from the group consisting of olefinically unsaturated monocarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic acids and the corresponding tert-butyl esters olefinically unsaturated dicarboxylic anhydrides, sulfo-containing olefinically unsaturated monomers, sulfonyl-containing olefinically unsaturated monomers, and oxazolinyl-containing olefinically unsaturated monomers,
• the weight percentages being based on the total weight of monomers (a), (b) and (c) and always adding up to 100% by weight.

A homogeneous thermoplastic polypropylene/polyamide molding composition consisting essentially of

• a polypropylene selected from the group consisting of homopolymers of propylene, random- or block-copolymers of propylene and .alpha.- olefins or dienes, and mixtures thereof;
• a polyamide;
• and
• an ethylene polymer, as adhesion promoter, polymerized from
• a) from 50 to 98% by weight of ethylene,
• b) from 1 to 45% by weight of n-butyl (meth)acrylate of 2-ethylhexyl (meth)acrylate and
• c) from 1 to 40% by weight of (meth)acrylic acid, maleic anhydride, tert-butyl (meth)acrylate or mixtures thereof,
• the weight percentages being based on the total weight of monomers (a), (b) and (c) and always adding up to 100% by weight.

A homogeneous thermoplastic polypropylene/polyamide molding composition consisting essentially of, in each case based on 100 parts by weight of the molding composition,

• A) from 10 to 89.5 parts by weight of one or more polypropylenes selected from the group consisting of homopolymers of propylene, random- or block-copolymers of propylene and .alpha.-olefins or dienes, and mixtures thereof;
• B) from 10 to 89.5 parts by weight of one or more polyamides;
• C) from 0.5 to 30 parts by weight of an ethylene copolymer as an adhesion promoter polymerized from
• a) ethylene,
• b) one or more alkyl (meth)acrylates having from 1 to 8 carbon atoms in a linear or branched alkyl, but excluding tert-butyl (meth)acrylates, and
• c) one or more further monomers containing in bonded form a group which is reactive toward the polyamide selected from the group consisting of the olefinically unsaturated monocarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic anhydrides, sulfo- or sulfonyl-containing olefinically unsaturated monomers and oxazolinyl-containing olefinically unsaturated monomers and oxazolinyl-containing olefinically unsaturated monomers
• D) from 0 to 30 parts by weight of an elastomer impact modifier and
• E) from 0 to 60 parts by weight of a reinforcing agent, additive or mixtures thereof, said additives being selected from the group consisting of oxidation retardants, thermal stabilizers, UV stabilizers, lubricants, demolding agents, dyes, pigments, nucleating agents and plasticizers.

A homogeneous thermoplastic polypropylene/polyamide molding composition consisting of, in each case base on 100 parts by weight of the molding composition,

• A) from 10 to 89.5 parts by weight of one or more polypropylenes selected from the group consisting of homopolymers of propylene, random- or block-copolymers of propylene and .alpha.-olefins or dienes, and mixtures thereof;
• B) from 10 to 89.5 parts by weight of one or more polyamides,
• C) from 0.5 to 30 parts by weight of an ethylene copolymer as an adhesion promoter polymerized from, in each case based on (C),
• a) from 50 to 98% by weight of ethylene,
• b) from 1 to 45% by weight of one or more alkyl (meth)acrylates of from 1 to 8 carbon atoms in a linear or branched alkyl, but excluding tert-butyl (meth)acrylic, and
• c) from 1 to 40% by weight of one or more further monomers containing, attached by bonding, a group which is reactive toward the polyamide (B) and selected from the group consisting of the olefinically unsaturated monocarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic acids and the corresponding tert-butyl esters, olefinically unsaturated dicarboxylic anhydrides, sulfo-containing olefinically unsaturated monomers, sulfonyl-containing olefinically unsaturated monomers, and oxazolinyl-containing olefinically unsaturated monomers;
• D) from 0 to 30 parts by weight of an elastomer impact modifier and
• E) from 0 to 60 parts by weight of a reinforcing agent or additive selected from the group consisting of oxidation retardants, thermal stabilizers, UV stabilizers, lubricants, demolding agents, dyes, pigments, nucleating agents and plasticizers.

A homogeneous thermoplastic polypropylene/polyamide molding composition consisting of, in each case based on 100 parts by weight of components (A) to (E),

• A) from 10 to 89.5 parts by weight of one or more polypropylenes selected from the group consisting of homopolymers of propylene, random- or block-copolymers or propylene and .alpha.-olefins or dienes, and mixtures thereof;
• B) from 10 to 89.5 parts by weight of one or more polyamides;
• C) from 0.5 to 30 parts by weight of an ethylene copolymer as an adhesion promoter polymerized from, in each case based on (C),
• (a) from 50 to 98% by weight of ethylene,
• (b) from 1 to 45% by weight of n-butyl (meth)acrylate or 2-ethylhexyl (meth)acrylate and
• (c) from 1 to 40% by weight of (meth)acrylic acid, maleic anhydride, tert-butyl (meth)acrylate or mixtures thereof;
• D) from 0 to 30 parts by weight of an elastomer impact modifier and
• E) from 0 to 60 parts by weight of a reinforcing agent or additive selected from the group consisting of oxidation retardants, thermal stabilizers, UV stabilizers, lubricants, demolding agents, dyes, pigments, nucleating agents and plasticizers.