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US5459007A Liquid developer compositions with block copolymers 失效
具有嵌段共聚物的液体显影剂组合物

Liquid developer compositions with block copolymers
摘要:
A liquid developer comprised of a liquid, thermoplastic resin particles, a nonpolar liquid soluble charge director comprised of an ionic or zwitterionic quaternary ammonium block copolymer ammonium block copolymer, and wherein the number average molecular weight thereof of said charge director is from about 70,000 to about 200,000.
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