US 11,655,352 B2
Recycled polyol
Valentin Stoychev, Wildau (DE); and Marin Boyadzhiev, Teltow (DE)
Assigned to H&S ANLAGENTECHNIK GMBH, Sulingen (DE)
Appl. No. 16/461,707
Filed by H & S Anlagentechnik GmbH, Sulingen (DE)
PCT Filed Nov. 16, 2017, PCT No. PCT/EP2017/079418
§ 371(c)(1), (2) Date Jun. 12, 2019,
PCT Pub. No. WO2018/091575, PCT Pub. Date May 24, 2018.
Claims priority of application No. 102016122276.3 (DE), filed on Nov. 18, 2016.
Prior Publication US 2019/0359788 A1, Nov. 28, 2019
Int. Cl. C08J 11/26 (2006.01); C08J 11/24 (2006.01); C08G 18/24 (2006.01); C08K 3/013 (2018.01); C08G 18/40 (2006.01); C08G 18/76 (2006.01); C08K 3/22 (2006.01); C08K 5/17 (2006.01); C08K 3/26 (2006.01)
CPC C08J 11/26 (2013.01) [C08G 18/242 (2013.01); C08G 18/409 (2013.01); C08G 18/76 (2013.01); C08J 11/24 (2013.01); C08K 3/013 (2018.01); C08K 3/22 (2013.01); C08K 5/17 (2013.01); C08F 2500/17 (2013.01); C08G 2110/0025 (2021.01); C08J 2375/04 (2013.01); C08K 2003/262 (2013.01)] 17 Claims
 
1. A polyol mixture having the following product properties:
hydroxyl number: from 35 to 650 mg KOH/g
amine number: from 1 to 40 mg KOH/g
acid number: from 0.1 to 20 mg KOH/g
viscosity: from 800 to 50 000 mPa*s at 25° C.,
wherein the polyol mixture comprises melamine and at least one compound selected from the group consisting of calcium carbonate, styrene-acrylonitrile copolymers (SAN), polyisocyanate polyaddition polyols (PIPA), and polyurea dispersion polyol (PHD); and
wherein the polyol mixture comprises ≥5 different pigments.