Patent ID: 9175160
Filing Date: 2015-11-03
Classification: C08J,C08L

Abstract:
1. A composition comprising: (a) 1 to 40 weight percent of poly(phenylene ether) particles having a mean particle size of 1 to 40 micrometers; and (b) 60 to 99 weight percent of a polyoxymethylene selected from a homopolymer of formaldehyde end-capped with acetic anhydride, a copolymer of formaldehyde and ethylene oxide or dioxolane, and a combination thereof; wherein the weight percents are based on the combined weight of the poly(phenylene ether) particles and the polyoxymethylene; wherein polystyrene is absent from the poly(phenylene ether) particles; and wherein the composition comprises less than 0.1 volume percent, based on the total volume of the composition, of particulate metals, metalloids, oxides thereof, and combinations thereof, wherein the metals and metalloids are selected from iron, copper, aluminum, magnesium, lead, zinc, tin, chromium, nickel, tungsten, silicon, gold, silver, platinum, and alloys thereof; and wherein the poly(phenylene ether) particles and polyoxymethylene are mixed at a temperature of 100 to 200° C., provided that the temperature is below the glass transition temperature of the poly(phenylene ether).