	US 12,435,214 B2
	Methods for producing highly thermoformable acrylic solid surface
Mohammad Mohammadkhani, Florence, KY (US); Roger Neil Caldwell, Erlanger, KY (US); Mark Gatman, Erlanger, KY (US); and Sebastian Joseph, Mason, OH (US)
Assigned to Trinseo Europe GmbH, Pfaeffikon (CH)
Appl. No. 18/269,987
Filed by Trinseo Europe GmbH, Pfaeffikon (CH)
PCT Filed Dec. 28, 2021, PCT No. PCT/US2021/065309 § 371(c)(1), (2) Date Jun. 28, 2023, PCT Pub. No. WO2022/146984, PCT Pub. Date Jul. 7, 2022.
Claims priority of provisional application 63/131,990, filed on Dec. 30, 2020.
Prior Publication US 2024/0084124 A1, Mar. 14, 2024
Int. Cl. C08L 33/04 (2006.01); B29C 51/00 (2006.01); C08K 3/22 (2006.01); C08K 3/36 (2006.01); B29K 33/04 (2006.01); B29K 105/16 (2006.01); B29K 105/24 (2006.01); B29K 509/00 (2006.01)

CPC C08L 33/04 (2013.01) [B29C 51/002 (2013.01); C08K 3/22 (2013.01); C08K 3/36 (2013.01); B29K 2033/04 (2013.01); B29K 2105/16 (2013.01); B29K 2105/24 (2013.01); B29K 2509/00 (2013.01); B29K 2995/0024 (2013.01); B29K 2995/0063 (2013.01); C08K 2003/2227 (2013.01); C08K 2201/005 (2013.01); C08K 2201/006 (2013.01); C08K 2201/014 (2013.01); C08L 2203/30 (2013.01); C08L 2205/025 (2013.01); C08L 2312/00 (2013.01)]

18 Claims

1. An article formed from a thermoformable composition, the thermoformable composition comprising:

a) about 35 wt % to about 95 wt % of an acrylic pre-polymerized syrup;

b) about 0 wt % to about 10 wt % of a comonomer; and

c) about 5 wt % to about 65 wt % of a filler having an average particle size (d50) in a range of about 0.1 μm to about 50 μm, wherein the filler comprises one or more selected from a group consisting of aluminum trihydrate, aluminum monohydrate, magnesium hydroxide, calcium carbonate, magnesium silicate, talc, silica, calcium carbonate, calcium metasilicate, Wollastonite, Dolomite, Perlite, hollow glass spheres, and kaolin;

wherein the article has a surface having a gloss measurement at a 60° measurement angle within a range of about 0 Gloss Units to about 20 Gloss Units, and a roughness Ra within a range of about 1 microinch to about 100 microinches.