Compositions – Fire retarding – For solid synthetic polymer and reactants thereof
Patent
1990-12-12
1991-10-08
Stoll, Robert L.
Compositions
Fire retarding
For solid synthetic polymer and reactants thereof
252601, 570206, 570210, 568 56, 568639, 568645, 568647, C09K 2100
Patent
active
050552350
ABSTRACT:
A process is disclosed for preparing a mixture of brominated, non-condensed ring polyaromatics, which process features multiple bromination temperatures and multiple catalyst additions for brominating the precursor non-condensed ring polyaromatic. The mixture has an average bromine number of about 6 to about 8 bromine atoms per molecule, a low melting point range, and a low amount of light end impurities.
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Brackenridge David R.
Murray William T.
Bhat N.
Ethyl Corporation
LaRose David E.
Stoll Robert L.
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