Velsicol Chemical Corporation

Michigan Chemical Corporation

James A Albright

Ray E Smith

Chester J Kmiec

Richard R Nicholson

Michael W Lindvay

Theodore C Wilkinson

A flame retarded polyolefin polymer containing from about 1 to about 40 percent (by combined weight of polymer and flame retardant) of the compound of the formula ##STR1## wherein m and n are integers independently selected from the group consisting of 2, 3, 4, and m plus n equal 6.

Flame-retarded polyolefin polymeric compositions containing

Novel esters of pentavalent phosphorus acid having the formula ##STR1## wherein R and R'are haloalkyl containing from 2 to 6 carbon atoms and from 1 to 6 halogen atoms; n is an integer of from 1 to 3; each X is independently selected from hydrogen, halogen, alkyl, or hydroxyl, provided that at least one X is hydroxyl. The above compounds are effective reactive flame retardants in polyurethane and polyester polymeric compositions.

Reactive phosphate flame retardants

Disclosed are haloalkyl phosphates of the generic formula ##STR1## wherein each X is independently selected from chlorine, bromine, and hydrogen, wherein both Ys are identical and selected from chlorine and bromine, wherein each Z is independently selected from chlorine and bromine, and wherein each R is independently selected from hydrogen, alkyl, and halogenated alkyl groups, wherein each alkyl group contains from 1 to about 3 carbon atoms and each halogenated group contains from 1 to about 3 halogen substituents selected from chlorine and bromine.

Haloalkyl phosphates

There is provided a compound of the formula ##STR1## wherein m and n are integers independently selected from the group consisting of 1, 2, 3, 4, and m and m plus n equal 6. There is also provided a flame-retarded polyolefin polymer containing an effective amount of said compound.

3,9-Bromophenoxy-2,4,8,10-tetraoxa-3,9-diphos

Disclosed are haloaryl halobenzene sulfonates of the formula ##STR1## wherein X and X' are each independently selected halogen, preferably chlorine or bromine; n is a integer of from 1 to 5 and m is an integer from 1 to 4, provided that the sum of n plus m is an integer of from 4 to 9; and R is selected from hydrogen, halogen (preferably chlorine and bromine), and ##STR2## wherein Y and Y' are each independently selected halogen, preferably chlorine and bromine, m' is an integer from 1 to 4 and n' is an integer of from 1 to 5, provided that m'+n' is from 4 to 9 and Z is an alkylene or alkylidene containing from 1 to 6 carbon atoms. Also disclosed are polymeric compositions containing these compounds as flame retardants.

Haloaryl halobenzenesulfonate flame retardants

Disclosed are halobenzene sulfonates, and flame resistant polymer compositions containing the sulfonates.

Halobenzene sulfonate flame retardants

Disclosed are novel compounds of the formula: ##STR1## WHEREIN EACH Z is independently selected from the group consisting of hydrogen and halogen; Y is oxygen or sulfur; n is an integer of from 1 to 3; a, b, and c are integers of from 0 to 1; n+a+b+c=4; and wherein X, X', X' are independently selected from the group consisting of hydrogen, halogen, alkyl of 1 to about 8 carbon atoms and --OC(O)R, provided that at least one of said X, X', X' substituents is --OC(O)R, and R is independently selected from the group consisting of alkyl of 1 to about 18 carbon atoms, haloalkyl of 1 to about 18 carbon atoms, alkoxyalkyl of from 1 to about 18 carbon atoms, aryl of from 6 to about 18 carbon atoms, and haloaryl of from about 6 to about 18 carbon atoms. The above compounds may be topically applied to polyester-containing textile materials in order to flame retard them; and the materials so treated have a durable flame retardance.

Durable flame retardant for polyester textile materials

Novel esters of pentavalent phosphorus acid having the formula ##STR1## WHEREIN R and R' are haloalkyl containing from 2 to 6 carbon atoms and from 1 to 6 halogen atoms; n is an integer of from 1 to 3; each X is independently selected from hydrogen, halogen, alkyl, or hydroxyl, provided that at least one X is hydroxyl. The above compounds are effective reactive flame retardants in polyurethane and polyester polymeric compositions.

Hydroxyl containing phosphates and polyphosphates

Novel flame retardant finishes comprising a water soluble quaternary phosphonium salt, a water soluble organic nitrogen containing compound, a haloalkyl phosphate of the formula ##STR1## WHEREIN EACH X is independently selected from chlorine, bromine, and hydrogen, wherein a is an integer from 1 to 2, wherein n is an integer from 1 to 8, wherein m is an integer from 0 to n, provided that when n is 1, m is 0, and mixtures of said haloalkyl phosphates, an emulsifiying agent which is capable of passing the following three tests: (1) Solubility (Compatability) Test: said emulsifying agent (20 parts by weight) must be soluble in 80 parts by weight of said phosphate ester at less than or equal to 80.degree. C.; (2) Shelf Life Test: a blend of said emulsifying agent and said phosphate ester prepared as in the Solubility Test must remain in one clear homogeneous phase at 22.degree. C. for at least 1 hour; (3) Finish Formulation Test: a flame retardant finish within the scope of this invention is prepared and must remain in one homogeneous phase for a minimum of 1 hour at 20.degree. C. These flame retardant finishes are excellent for flame retarding textile materials including polyester/cotton blend fabrics.

Durable flame retardant finishes for textile materials

Intumescent coating compositions comprising a coating vehicle and a non-flaming intumescent agent of the formula ##STR1## wherein both X's are identical and selected from the group comprising oxygen and sulfur and wherein each Y is independently selected from the group consisting of alkoxy, halogenated alkoxy, cycloalkoxy, halogenated cycloalkoxy, olefinicoxy, halogenated olefinicoxy and --NR.sub.2 groups, wherein each R is independently selected from the group consisting of hydrogen, alkyl, halogenated alkyl, olefinic, and halogenated olefinic groups, said alkoxy, cycloalkoxy, olefinicoxy, alkyl and olefinic groups containing from 1 to about 12 carbon atoms and said halogenated groups containing from 1 to about 6 halogen substituents per group. A method for protecting a substrate from heat and fire comprising applying to the substrate an intumescing amount of the above described intumescent agents.

Intumescent fire retardant compositions containing pentaerythritol

Improved flame retardant concentrates and finishes containing triesters of pentavalent phosphorus acid having the general formula ##STR1## WHEREIN X, X' and X' are hydrogen, chlorine and bromine; a is 0 or 1; n is an integer of from 1 to 7; m is an integer of from 1 to n; b is an integer of from 1 to 7; and z is an integer of from 1 to b.

Flame retardant finishes for textile materials

Novel triesters of pentavalent phosphorus acid having the formula: ##STR1## WHEREIN X is chlorine, bromine, or hydrogen, Z.sup.1 and Z.sup.2 are independently selected from bromine, chlorine, or hydrogen; R.sup.1 is methyl, chloromethyl, bromomethyl or hydrogen; and R.sup.2 is methyl, chloromethyl or hydrogen, except that R.sup.2 is chloromethyl when R.sup.1 is bromomethyl, and non-scorching plastic composition containing polyurethanes and said triesters of pentavalent phosphorus acid.

Novel phosphate esters and non-scorching flame retardant polyurethane

A compound of the formula ##STR1## WHEREIN R is a straight or branched chain alkyl group containing from about 2 to about 12 carbon atoms and polymeric compositions comprising a polyurethane, polyester, cellulosic-polyester blend or styrenated polyester polymer and a flame retarding amount of the described compound.

Polymeric compositions containing a flame retardant amount of a

Compounds of the formula ##STR1## wherein each R is independently selected from the group comprising halogenated alkyl radicals having from about 2 to about 6 carbon atoms and from 1 to about 4 halogen substituents. Also, a polyurethane polymeric composition comprising a polyurethane polymer and a flame retarding amount of the above described compound.

Flame retardant polyurethane composition containing

Disclosed are novel compounds of the formula ##STR1## WHEREIN EACH Z is independently selected from the group consisting of hydrogen and halogen; wherein each X is independently selected from the group consisting of hydrogen, halogen, and hydroxyl, provided that at least one X is hydroxyl; wherein Y is selected from the group comprising oxygen and sulfur; and wherein n is an integer from 1 to 3. The above compounds are effective flame retardants in polyurethane and polystyrene polymeric compositions.

Growing community of inventors

Ann Arbor, MI, United States of America

James A Albright