Process for producing modified polymer, apparatus for producing modified polymer, and modified polymer
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United States of America Patent
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Dec 8, 2009
Grant Date -
Mar 10, 2005
app pub date -
Oct 16, 2002
filing date -
Oct 16, 2001
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Abstract
It is an object of the invention to provide a method for producing a modified polymer compound and a production apparatus of a modified polymer capable of producing a modified polymer compound with a high purity in a short time, and such a modified polymer compound.The invention provides a method for producing a modified polymer compound, which comprises chemically modifying a polymer compound in a supercritical fluid or a high temperature and high pressure fluid, said modified polymer compound being composed of monomer units obtainable by chemically modifying part of or all of monomer units composed of the polymer compound before modification reaction.
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