US 12,077,664 B2
Heat-curable biobased casting composition, shaped article produced therefrom and process for producing such a shaped article
Vitaliy Datsyuk, Zwiesel (DE); Adam Orendorz, Zwiesel (DE); and Oskar Achatz, Bischofsmais (DE)
Assigned to SCHOCK GMBH, Regen (DE)
Filed by Schock GmbH, Regen (DE)
Filed on Jul. 21, 2021, as Appl. No. 17/381,978.
Claims priority of application No. 10 2020 119 386.6 (DE), filed on Jul. 22, 2020.
Prior Publication US 2022/0025169 A1, Jan. 27, 2022
Int. Cl. C08L 33/12 (2006.01); B29C 45/00 (2006.01); C08L 1/28 (2006.01); B29K 33/00 (2006.01); B29K 509/02 (2006.01)
CPC C08L 33/12 (2013.01) [B29C 45/0001 (2013.01); C08L 1/28 (2013.01); B29K 2033/12 (2013.01); B29K 2509/02 (2013.01); C08L 2203/30 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2207/20 (2013.01); C08L 2207/322 (2013.01)] 19 Claims
 
1. A heat-curable biobased casting composition, comprising
(a) a mixture of two or more monofunctional acrylic and/or methacrylic monomers, wherein one or more monomers are derived from recycled material and one or more monomers are plant-based or of animal origin,
(b) one or more polyfunctional acrylic and/or methacrylic biomonomers that are plant-based or of animal origin,
(c) one or more polymers or copolymers selected from polyacrylates, polymethacrylates, polyols, polyesters derived from recycled material or plant-based or of animal origin,
(d) inorganic filler particles of natural origin, wherein the proportion of the monofunctional acrylic and/or methacrylic monomers and of the polyfunctional acrylic and methacrylic biomonomers is 10-40% by weight, the proportion of the polymer (s) or copolymer (s) is 1-16% by weight and the proportion of the inorganic filler particles is 44-89% by weight, and wherein at least the non-recycled monomers, biomonomers, polymers or copolymers are non-petrochemically based.