Raft agent, polymerization method, polymer, rubber mixture, and use thereof
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United States of America Patent
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Oct 15, 2019
Grant Date -
Mar 29, 2018
app pub date -
Nov 13, 2017
filing date -
May 12, 2015
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Abstract
Disclosed are RAFT agents, a method of polymerizing alkenes, dienes, vinyl compounds, and/or vinylidene compounds using at least one RAFT agent, polymers prepared by the methods, sulfur-crosslinkable rubber mixtures prepared by the methods, and motor vehicle tires, cords, belts, or hoses incorporating the sulfur-crosslinkable rubber mixtures. In one embodiment, the RAFT agent has the formula Z—C(═S)—S—R—S—P or P—S—Z—C(═S)—S—R—S—P, wherein P is a protecting group, and Z and R are typical RAFT Z and R groups.
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