Patent ID: 9233505
Filing Date: 2016-01-12
CPC Classification: B29C,C08K,C08L,Y10T

Claim Text:
1. A powder composition comprising at least 60 wt-% of a laser-sinterable polyamide, wherein the polyamide comprises nylon-6,10, nylon-6,12, nylon 6,13, nylon 8,10, nylon 8,12, nylon 10,10, nylon 10,12, nylon 12,12, nylon-11, nylon-12, or a mixture thereof, and wherein the laser-sinterable polyamide has a bulk density from at least 0.4 grams per cubic centimeter to less than 1 grams per cubic centimeter; and at least 20 wt-% and less than 40 wt-% of reinforcing particles having an aspect ratio of at least about 5:1 and a maximum dimension of less than about 300 microns, based on the total weight of the powder composition; wherein at least a portion of the reinforcing particles are mineral particles, wherein the powder composition comprises at least 1 wt-% of the mineral particles, based on the total weight of the powder composition, and wherein the mineral particles comprise a silicate.