Process for producing short-chain end-group-functionalized macromolecules based on styrene
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United States of America Patent
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Jun 11, 2019
Grant Date -
Oct 27, 2016
app pub date -
Nov 19, 2014
filing date -
Dec 18, 2013
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Abstract
End-group-functionalized oligomers with controlled degrees of functionality based on styrene are produced by reacting the monomer with a regulator by means of free-radical polymerization. At least some of the quantity of regulator is added according to a prescribed program so that at every juncture t the value of the quantitative fraction added up to said juncture does not fall short of the value of the respective conversion U(t) in the polymerization reaction at said juncture t by more than 5 percentage points and does not exceed said value U(t) by more than 5 percentage points.
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