Abstract:
There is provided herein a flame-retarded polyolefin composition comprising a thermoplastic polyolefin, an inorganic flame retardant filler and a metal phosphonate or metal phosphinate synergist of the general formula (A): where Me is a metal, R 1 and R 2 are the same or different linear or branched or cyclic alkyls having up to 6 carbon atoms, or benzyl, n is a metal valency and can be, 1, 2, 3 or 4, x is 1 for metal phosphonates and x is 0 for metal phosphinates. There is also provided a method for making a flame-retarded polyolefin composition comprising contacting at least one thermoplastic polyolefin polymer with at least one inorganic flame retardant filler and at least one metal phosphonate or metal phosphinate synergist and heating the mixture to above the melting temperature of the thermoplastic polyolefin.f
Abstract:
There is provided herein a polyolefin composition comprising a polyolefϊn and a flame retardant effective amount of a solid phosphate ester of the genera! formula ( 1 ): wherein n has an average value of from about 1.0 to about 2,0 and X is a divalent arylene moiety bonded to both of the oxygen atoms of any one of faydroqtiinnne, resoreinol. 4,4'-biρhenol, bisphenol S, or bisphenol F and wherein the phosphate ester is in the absence of halogen. There is also provided a method of waking the polyolefin composition. This fire relardam polyoleiln composition is ρarticulary useful in polypropylene fiber and films and foams.
Abstract:
There is provided herein a curable epoxy composition comprising (a) at least one epoxy compound; (b) at least one oligomeric aromatic polyester phosphorus- containing curing agent; and, (c) at least one co-curing agent having a dielectric constant less than 4.0, or at least one co-curing agent which results in the cured epoxy composition having a dielectric constant of less than 4.0 and wherein the co-curing agent is other than the curing agent (b); and, an article comprising the curing agent, and a process of making a laminate.
Abstract:
There is provided herein a flame retarded polycarbonate composition comprising: (a) at least one aromatic polycarbonate or polycarbonate based alloy; and, (b) at least one metal phosphonate. There is also provided a molded part(s) or article(s) containing the flame retarded polycarbonate composition, e.g., a flame retarded electric, electronic, or automotive component containing the flame retarded polycarbonate composition.
Abstract:
There is provided herein a flame retarded polyolefin polymer composition comprising a thermoplastic polyolefin polymer, an inorganic flame retardant and a calcium borate on an inorganic carrier. There is also provided a method for making a flame retarded polyolefin polymer composition comprising contacting at least one thermoplastic polyolefin polymer with at least one inorganic flame retardant and at least one calcium borate on an inorganic carrier and heating the mixture of thermoplastic polyolefin polymer, at least one inorganic flame retardant and at least one calcium borate on an inorganic carrier to above the melting temperature of the thermoplastic polyolefin polymer.
Abstract:
There is provided herein a polyolefin polymer composition comprising a polyolefin polymer and a metal salt of alkyl alkylphosphonic acid of general formula (I) where X is a metal and R 1 and R 2 are the same or different linear or branched alkyls containing from one to about twelve carbon atoms, n is equal to the valency of the metal X which is in the range of from 1 to 4. There is also provided a method for making a polyolefin polymer composition comprising contacting at least one polyolefin polymer with at least one metal salt of alkyl alkylphosphonic acid and heating the mixture of polyolefin polymer and at least one metal salt of alkyl alkylphosphonic acid to above the melting temperature of the polyolefin polymer.
Abstract:
There is provided herein a polyolefin polymer composition comprising a polyolefin polymer and a metal salt of alkyl alkylphosphonic acid of general formula (I) where X is a metal and R 1 and R 2 are the same or different linear or branched alkyls containing from one to about twelve carbon atoms, n is equal to the valency of the metal X which is in the range of from 1 to 4. There is also provided a method for making a polyolefin polymer composition comprising contacting at least one polyolefin polymer with at least one metal salt of alkyl alkylphosphonic acid and heating the mixture of polyolefin polymer and at least one metal salt of alkyl alkylphosphonic acid to above the melting temperature of the polyolefin polymer.