Flame-proof agent-stabiliser combination for thermoplastic and duroplastic polymers

摘要

The invention relates to a flameproof agent stabilizer combination containing, as component A 40-99 wt. % of a phosphinic acid salt of formula (I) and/or a diphosphinic acid salt of formula (II) and/or polymers thereof, wherein R1, R2 are the same or different and represent C1-C18-alkyl linear, branched or cyclic, C6-C18-aryl, C7-C18-arylalkyl and/or C7-C18-alkylaryl; R3 represents C1-C10-alkylene, linear or branched, C6-C10-arylene, C7-C18-alkylarylene or C7-C18-arylalkylene; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protoned nitrogen base; m represents 1-4; n represents 1-4; x represents 1-4, as component B 1-60 wt. % of a phosphinic acid salt of general formula (III) wherein R4 represents C1-C18-alkyl linear, branched or cyclic, C6-C18-aryl, C7-C18-arylalkyl or C7-C18-alkylaryl and M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base, as component C 0-50 wt. % of a synergist containing nitrogen and/or a phosphorous/nitrogen flameproof agent, as component D 0-10 wt. % of a zinc salt and/or a basic or amphoteric oxide, hydroxide, carbonate, silicate, borate, stannate, mixed oxide-hydroxide, oxide-hydroxide-carbonate, hydroxide-silicate and/or hydroxide-borate and/or mixtures of said substances, as component E 0-10 wt. % phosphonite or phosphonite/phosphite-mixture and as component F 0-10 wt. % ester and/or salts of long-chained fatty acids having 14-40 C-atom, the total of the components always amounting to 100 wt. %, under the proviso that if R4 represents C1-C18-alkyl, then at least one of the groups R1 and/or R2 represent C6-C18-aryl, C7-C18-arylalkyl and/or C7-C18-alkylaryl.

主权项

1. A flame retardant-stabilizer combination comprising as component A, 40 to 99% by weight of a phosphinic salt of the formula (I), a diphosphinic salt of the formula (II), polymers thereof, or a combination thereofwherein
R1, R2 are the same or different and are each linear, branched or cyclic C1-C18-alkyl, C6-C18-aryl, C7-C18-arylalkyl, C7-C18-alkylaryl, or a combination thereof; R3 is a linear or branched C1-C10-alkylene, C6-C10-arylene, C7-C18-alkylarylene or C7-C18-arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K, a protonated nitrogen base or a combination thereof; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component B, 1 to 60% by weight of a phosphinic salt of the formula (III)wherein
R4 is a C6-C18-aryl, C7-C18-arylalkyl or C7-C18-alkylaryl and M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K, a protonated nitrogen base or a combination thereof; as component C, 0 to 50% by weight of a nitrogen-containing synergist of a phosphorus/nitrogen flame retardant, as component D, 0 to 10% by weight of a zinc salt of a basic or amphoteric oxide, hydroxide, carbonate, silicate, borate, stannate, mixed oxide-hydroxide, oxide-hydroxide-carbonate, hydroxide-silicate, hydroxide-borate, or mixtures thereof, as component E, 0 to 10% by weight of phosphonite or phosphonite/phosphite mixture, and as component F, 0 to 10% by weight of esters, salts of long-chain fatty acids or a combination thereof having 14 to 40 carbon atoms, where the sum of the components is always 100% by weight.