| 摘要 |
High-temperature-resistant, flexible screen printing inks containing as binder a thermoplastic aromatic polycarbonate with a molecular weight +E,ovs M+EE w (weight average) of at least 10,000 which contains bifunctional carbonate structural units corresponding to formula (I): <IMAGE> (I) in which R1 and R2 independently of one another represent hydrogen, halogen, C1-8 alkyl, C5-6 cycloalkyl, C6-10 aralkyl, m is an integer of 4 to 7 R3 and R4 may be individually selected for each X and, independently of one another, represent hydrogen or C1-6 alkyl and X represents carbon with the proviso that, at least one atom X, R3 and R4 are both alkyl, and halogen-free solvents or solvent mixtures.
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