	US 12,012,531 B2
	Polyester polyol-based adhesives on the basis of furandicarboxylic acid obtained from renewable raw materials
Adrian Brandt, Essen (DE); Horst Beck, Neuss (DE); Kerstin Schroeder, Grevenbroich/Wevelinghoven (DE); Alexander Kux, Monheim (DE); Dennis Bankmann, Duesseldorf (DE); Helga Garmann, Hilden (DE); Stefan Tomke, Oberhausen (DE); Timo Pasemann, Oberhausen (DE); and Kerstin Russbuelt, Hilden (DE)
Assigned to Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
Filed on Apr. 20, 2020, as Appl. No. 16/852,649.
Application 16/852,649 is a continuation of application No. PCT/EP2018/067759, filed on Jul. 2, 2018.
Claims priority of application No. 17198208 (EP), filed on Oct. 25, 2017.
Prior Publication US 2020/0239751 A1, Jul. 30, 2020
Int. Cl. C09J 175/06 (2006.01); B32B 7/12 (2006.01); B32B 15/085 (2006.01); B32B 15/09 (2006.01); B32B 15/20 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); B32B 37/12 (2006.01)

CPC C09J 175/06 (2013.01) [B32B 7/12 (2013.01); B32B 15/085 (2013.01); B32B 15/09 (2013.01); B32B 15/20 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); B32B 37/12 (2013.01)]

15 Claims

1. An adhesive for bonding plastics and/or metal substrates, the adhesive comprising at least one compound containing NCO groups and a polyester polyol; wherein the polyester polyol is the reaction product of—furandicarboxylic acid (FDCA), one or more aliphatic diacids and one or more polyols obtained from renewable raw materials, wherein the one or more polyols is selected from the group consisting of ethylene glycol, diethylene glycol, triethylene glycol, 1,3-propanediol, 1,2-propanediol, 1,4-butanediol, 1,4-pentanediol and a mixture thereof, and the furandicarboxylic acid is obtained from renewable raw materials and the adhesive has a viscosity in the range of from 200 to 10,000 mPas, measured at 10 to 60° C., using a Brookfield viscometer, in accordance with EN ISO 2555.