<p>Mixtures of polyaryl sulphones and polycarbonates solutions made stable by the introduction of solubilizing agents are used to prepare cast films of improved properties.</p>
申请公布号
EP0030326(B1)
申请公布日期
1983.09.21
申请号
EP19800107386
申请日期
1980.11.26
申请人
BAYER AG
发明人
WEBER, HANS-LEO, ING. GRAD.;REESE, ECKART, DR.;KALOFF, HANS, DR.;FAUSTEN, HANS-JOSEF