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

Claim 8:
9. The polyether siloxane block copolymer according to claim 1, wherein k=5 to 50, and
wherein the radicals R1 are each independently identical or different monovalent aliphatic or aromatic hydrocarbon radicals having 1 to 10 carbon atoms,
b) and at least one higher-order hydrogen siloxane of formula (2), wherein
l=1 to 5,
m=5 to 50,
n=0 and
wherein the radicals R2 are each independently identical or different monovalent aliphatic or aromatic hydrocarbon radicals having 1 to 10 carbon atoms, and
wherein the radicals R3 are methyl or phenyl radicals, and
wherein the radicals R4 are each independently identical or different monovalent aliphatic or aromatic hydrocarbon radicals having 1 to 20 carbon atoms, or are H,
wherein as least three R4 radicals are hydrogen atoms,
c) with at least one polyether of formula (3), wherein
g=5 to 75,
h=5 to 75,
i=5 to 75, and
wherein the radicals R5 are methyl radicals, and wherein the radicals R6 are methyl radicals.