US 12,421,415 B2
Use of bis(2-ethylhexyl) cyclohexane-1,4-dicarboxylate as plasticizer in surface coverings
Michael Grass, Haltern am See (DE); Imke Schulz, Lüdinghausen (DE); and Carsten Gehlen, Marl (DE)
Assigned to Evonik Oxeno GmbH & Co. KG, Marl (DE)
Filed by Evonik Oxeno GmbH & Co. KG, Marl (DE)
Filed on Jan. 28, 2022, as Appl. No. 17/587,106.
Claims priority of application No. 21157273 (EP), filed on Feb. 16, 2021.
Prior Publication US 2022/0259451 A1, Aug. 18, 2022
Int. Cl. C09D 127/06 (2006.01); D06N 3/00 (2006.01); D06N 3/06 (2006.01)
CPC C09D 127/06 (2013.01) [D06N 3/0061 (2013.01); D06N 3/06 (2013.01); D06N 2211/066 (2013.01); D06N 2211/28 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A multilayer surface covering comprising at least one layer obtained from a filler-containing PVC plastisol comprising PVC, a filler and a plasticizer composition, and at least one layer obtained from a filler-free PVC plastisol comprising PVC and a plasticizer composition, wherein the plasticizer composition in the filler-containing PVC plastisol and in the filler-free PVC plastisol respectively contains bis(2-ethylhexyl) cyclohexane-1,4-dicarboxylate in a proportion of greater than 50% by weight based on the plasticizer composition.