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

Claim 1:
2. The polycarbonate composition as claimed in claim 1, wherein in general chemical formulae (II), (IIa), (III) and (IV)
Z1, Z2 and Z3 each independently of one another represent methyl, vinyl, methoxy, ethoxy, hydrogen or hydroxy,
R10 represents hydrogen or methyl,
R11 independently at each occurrence represents methyl, ethyl, propyl, butyl, isopropyl, isobutyl, vinyl, propenyl, butenyl, C5 to C18 alkyl, methacryloxypropyl; mono or dicarbinol, methoxy, ethoxy, propoxy, butoxy, epoxypropoxypropyl, optionally alkyl- or alkoxy-substituted phenylethyl, phenylisopropyl, 3-phenylpropyl or phenyl, hydroxy, hydrogen, chlorine, fluorine or CN,
r is a natural number between 0 and 3,
s is a natural number between 5 and 75,
t is a natural number between 1 and 75,
w is a natural number between 5 and 75,
v is a natural number between 1 and 75 and
u is a natural number between 1 and 10.