发明名称 VINYL CHLORIDE AND HETEROCYCLIC THIONE FUNCTIONAL POLYURETHANE POLYMER BLENDS AND THEIR USE IN MAGNETIC RECORDING MEDIA
摘要 <p>The invention relates to a composition comprising: (a) about 5 to 95 weight percent of a vinyl chloride copolymer; and (b) about 5 to about 95 weight percent of a polymer selected from the group consisting of polyurethane and polyurethane urea, said polymer having at least one pendant heterocyclic group, wherein said polymer has a heterocyclic group equivalent weight of from about 500 to about 100,000, and wherein said heterocyclic group is derived from a compound selected from the group (I) consisting of tautomers thereof, and mixtures thereof, wherein said heterocyclic group is formed by reacting said heterocyclic compound into said polymer; wherein said weight percentages are based upon the total weight of said composition.</p>
申请公布号 WO1993011177(A1) 申请公布日期 1993.06.10
申请号 US1992009241 申请日期 1992.10.29
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