Patent ID: 11970615
Assignee: COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 10:
11. The process for producing polysiloxane-polycarbonate block co-condensates as claimed in claim 9, wherein
component B) is a hydroxyaryl-terminated (poly)siloxane of formulae (2), (3), (VII), (VIII) or (IX):, wherein R1 represents hydrogen, C1-C4-alkyl,
R2 independently represents aryl or alkyl,
X represents a single bond, C1 to C5-alkylene, C2 to C5-alkylidene, C5 to C12-cycloalkylidene, —O—, —SO— —CO—, —S—, —SO2-, isopropylidene, C5 to C12 cycloalkylidene or oxygen,
n is a number between 10 and 150,
m is a number from 1 to 10,, wherein a in formulae (VII), (VIII) and (IX) represents an average number from 10 to 400.