Compatibilized composition, method for the formation thereof, and article comprising same

A composition comprising:

• about 35 to about 90 weight percent of a poly(alkenyl aromatic);
• about 5 to about 45 weight percent of glass fibers;
• and
• about 5 to about 20 weight percent of a poly(phenylene ether)-poly(hydroxy ether) block copolymer comprising at least one poly(hydroxy ether) block, and at least one poly(phenylene ether) block;
• wherein the mole ratio of poly(hydroxy ether) blocks to poly(phenylene ether) blocks is 0.95:1 to 1.00:1;
• wherein the at least one poly(phenylene ether) block has the structure
• wherein each occurrence of Q5 and Q6 is independently methyl, di-n-butylaminomethyl, or morpholinomethyl;
• and each occurrence of a and b is independently 0 to about 20, provided that the sum of a and b is at least 2;
• and wherein the at least one poly(hydroxy ether) block has the structure
• wherein n is about 1 to about 60;
• wherein all weight percents are based on the total weight of the composition, unless a different weight basis is specified.

A composition comprising:

• about 35 to about 90 weight percent of a poly(phenylene ether);
• about 5 to about 45 weight percent of glass fibers;
• and
• about 5 to about 20 weight percent of a poly(phenylene ether)-poly(hydroxy ether) block copolymer comprising at least one poly(hydroxy ether) block, and at least one poly(phenylene ether) block;
• wherein the mole ratio of poly(hydroxy ether) blocks to poly(phenylene ether) blocks is 0.95:1 to 1.00:1;
• wherein the at least one poly(phenylene ether) block has the structure
• wherein each occurrence of Q5 and Q6 is independently methyl, di-n-butylaminomethyl, or morpholinomethyl;
• and each occurrence of a and b is independently 0 to about 20, provided that the sum of a and b is at least 2;
• and wherein the at least one poly(hydroxy ether) block has the structure
• wherein n is about 1 to about 60;
• wherein all weight percents are based on the total weight of the composition, unless a different weight basis is specified.

A method of forming a composition, comprising:

• blending
• about 30 to about 93 weight percent of a non-polar polymer selected from the group consisting of unhydrogenated block copolymers of alkenyl aromatic compounds and conjugated dienes, hydrogenated block copolymers of alkenyl aromatic compounds and conjugated dienes, poly(alkenyl aromatic)s, poly(phenylene ether)s, and combinations thereof,
• about 5 to about 50 weight percent of polar filler selected from the group consisting of glass fibers, glass flakes, glass beads, clays, talcs, micas, silicas, aluminas, titanium dioxides, wollastonites, calcium carbonates, calcium sulfates, barium sulfates, dolomites, processed mineral fibers, metal oxides, metal hydroxides, ceramic fibers, and combinations thereof, and
• about 2 to about 20 weight percent of a poly(phenylene ether)-poly(hydroxy ether) block copolymer comprising at least one poly(hydroxy ether) block, and at least one poly(phenylene ether) block, wherein the mole ratio of poly(hydroxy ether) blocks to poly(phenylene ether) blocks is 0.95:1 to 1.00:1
• to form a composition;
• wherein all weight percents are based on the total weight of the composition, unless a different weight basis is specified.