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US 4,228,108 AGranted
2,2-Dialkylpropane-1,3-diolbis[bis(acryloyloxyalkyl)phosphates]
AssigneeThe Dow Chemical Company
InventorsGeorge J. Atchison, Gerald K. McEwen, Violete L. Stevens
Life of this patent
Estimating the term…
Abstract
Effective reactive flame retardants are novel compounds of the formula: ##STR1## wherein A is hydrogen or methyl; A' is hydrogen, methyl, phenyl or halogen; n is 1 or 1.5 and when n is 1, B is hydrogen or methyl and when n is 1.5, B is hydrogen; Y is oxygen or sulfur; R and R' are hydrogen, methyl, chloromethyl or bromomethyl.
Claims2
A reaction curable compound of the formula ##STR5## wherein A is hydrogen or methyl;
- A' is hydrogen, methyl, phenyl or halogen;
- n is 1 or 1.5 and when n is 1, B is hydrogen or methyl and when n is 1.5, B is hydrogen;
- Y is oxygen or sulfur;
- R and R' are hydrogen, methyl, chloromethyl or bromomethyl.
1 more element
As a radiation curable compound, 2,2-dibromomethylpropane-1,3-diolbis[bis(acryloyloxyethyl)phosphate] having the structure:
- ##STR6##
Dependencies are inferred from the claim text.