Patent ID: 11965064
Assignee: EVONIK OPERATIONS GMBH
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 9:
10. The polyether siloxane block copolymer according to claim 1, wherein
k=8 to 20, and
wherein the radicals R1 are methyl radicals,
b) and at least one higher-order hydrogen siloxane of formula (2), wherein
l=1,
m=8 to 20,
n=0 and
wherein the radicals R2 are methyl radicals, and
wherein the radicals R3 are methyl or phenyl radicals, and
wherein the radicals Ware each independently identical or different monovalent aliphatic or aromatic hydrocarbon radicals having 1 to 20 carbon atoms, or are H,
wherein all R4 radicals are hydrogen atoms,
c) with at least one polyether of formula (3), wherein
g=10 to 50,
h=5 to 25,
i=5 to 25, and
wherein the radicals R5 are methyl radicals, and wherein the radicals R b are methyl radicals.