Process for chemically bonding stabilizers to polymers
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United States of America Patent
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Mar 15, 1988
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N/A
app pub date -
Jun 11, 1986
filing date -
Aug 11, 1982
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Abstract
s-Triazine compounds, the molecule of which contains at least one ethylenically unsaturated group and at least one 2,2,6,6-tetramethylpiperidine group can be grafted onto organic polymers, in particular onto polyolefines, in the presence of free-radical formers or by means of irradiation. Examples of free-radical formers are peroxy or azo compounds. If polyunsaturated piperidine-triazine compounds are used, it is also possible to achieve crosslinking of the polymer, particularly in the case of polyethylene.
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