发明名称 IMPROVED AROMATIC POLYFORMAL BLENDS
摘要 <p>A moldable and compatible blend of 5 to 95 weight percent of an aromatic polyformal comprising from about 20 weight percent to 100 weight percent of repeating units (I), and from 0 weight percent to about 80 weight percent of repeating units (II), in which the repeating units (I) and the repeating units (II) are connected by interbonding units (III), wherein Y is selected from alkyl groups of 1 to 4 carbon atoms, chlorine or bromine, each z, independently, has a value of from 0 to 4 inclusive, n has a value of 0 or 1, and R1 is a divalent saturated or unsaturated aliphatic hydrocarbon radical, O, CO, SO2, S or a direct bond, with the proviso that when R1 is SO2 then repeating unit (II) is not the same as repeating unit (I), and 95 to 5 weight percent of a styrene copolymer or terpolymer and/or vinyl chloride containing polymers. </p>
申请公布号 WO1984004103(A1) 申请公布日期 1984.10.25
申请号 US1984000575 申请日期 1984.04.16
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