| 摘要 |
A filter material comprises a polyarylene thioether with units of formula -((Ar<1>)n-X))m-(Ar<2>)i-Y))j-((Ar<3>)k-Z))l -((Ar<4>)o-W))p- (I), Ar<1>-Ar<4> = 6-18C arylene, W, X, Y, Z = SO2, S, SO, CO, O, CO2 or 1-6(1-4)C alkyl(id)ene, i-p = 1-4 and i+j+k+l+m+n+o+p = at least 2.
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| 申请人 |
HOECHST AG, 65929 FRANKFURT, DE |
发明人 |
FLEISCHER, DIETRICH, DR., 64287 DARMSTADT, DE;KULPE, JUERGEN, DR., 65929 FRANKFURT, DE;SCHLEICHER, ANDREAS, DR., 64683 EINHAUSEN, DE;FRANK, GEORG, DR., 65719 HOFHEIM, DE |
