Phosphorus-containing flame retardant formulation for cellulose-containing moldings
AssigneeClariant Produkte (Deutschland) GmbH
InventorsHarald Bauer, Werner Krause, Martin Sicken, Volker Thewes
Life of this patent
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Abstract
The invention relates to a phosphorus-containing flame retardant formulation for cellulose-containing moldings, comprising from 0.1 to 99.9% by weight of a resin of an organic nitrogen compound and from 0.1 to 99.9% by weight of a phosphorus-containing flame retardant.
Claims31
A flame retardant cellulose containing material comprising a phosphorus-containing flame retardant formulation comprising from 0.01 to 99% by weight of a cellulose containing material from 0.1 to 99% by weight of at least one dicyandiamide-formaldehyde resin and from 0.1 to 99% by weight of at least one phosphorus-containing flame retardant, wherein the at least one phosphorus-containing flame retardant is a a diphosphinic salt of the formula (II), a polymer of the diphosphinic salt or a mixture thereof
- wherein
- R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, or aryl;
- R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene, or -arylalkylene;
- M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li or a protonated nitrogen base;
- n is from 1 to 4;
- x is from 1 to 4.
A phosphorus-containing flame retardant formulation comprising a cellulose containing material and a two-component phosphorus-containing flame retardant formulation of from 0.1 to 99.9% by weight of a component A and from 0.1 to 99.9% by weight of a component B, where component A is from 0.1 to 99.9% by weight of at least one dicyandiamide-formaldehyde resin, and from 0.1 to 99.9% by weight of at least one non-particulate phosphorus-containing flame retardant, and component B is a metal compound selected from the group consisting of an aluminum compound, titanium compound, zinc compound, tin compound, zirconium compound and mixtures thereof, wherein the at least one non-particulate phosphorus-containing flame retardant is a diphosphinic salt of the formula (II), a polymer of the diphosphinic salt or a mixture thereof
- wherein
- R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, or aryl;
- R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene, or -arylalkylene;
- M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li or a protonated nitrogen base;
- n is from 1 to 4;
- x is from 1 to 4.
A phosphorus-containing flame retardant formulation comprising a cellulose containing material and a two-component phosphorus-containing flame retardant formulation having from 0.1 to 99.9% by weight of a component C and from 0.1 to 99.9% by weight of a component D, wherein component C is from 0.1 to 99.9% by weight of at least one dicyandiamide-formaldehyde resin and from 0.1 to 99.9% by weight of a compound selected from the group consisting of an aluminum compound, titanium compound, zinc compound, tin compound, zirconium compound and mixtures thereof, and component D is at least one non-particulate phosphorus-containing flame retardant, wherein the at least one non-particulate phosphorus-containing flame retardant is a diphosphinic salt of the formula (II), a polymer of the diphosphinic salt or a mixture thereof
- wherein
- R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, or aryl;
- R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene, or -arylalkylene;
- M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li or a protonated nitrogen base;
- n is from 1 to 4;
- x is from 1 to 4.
A phosphorus-containing flame retardant comprising a cellulose containing material and a three-component phosphorus-containing flame retardant formulation having from 0.1 to 99.9% by weight of a component E, at least one dicyandiamide-formaldehyde resin, from 0.1 to 99.9% by weight of a component D, at least one non-particulate phosphorus-containing flame retardant, and from 0.1 to 99.9% by weight of a component B, a metal compound selected from the group consisting of an aluminum compound, titanium compound, zinc compound, tin compound, zirconium compound and mixtures thereof, wherein the at least one non-particulate phosphorus-containing flame retardant is a diphosphinic salt of the formula (II), a polymer of the diphosphinic salt or a mixture thereof
- wherein
- R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, or aryl;
- R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene, or -arylalkylene;
- M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li or a protonated nitrogen base;
- n is from 1 to 4;
- x is from 1 to 4.
Dependencies are inferred from the claim text.