Mixture of a phosphonite with other components

1. A mixture comprising: 1) 5 to 90% by weight of a phosphonite (component A), 2)5 to 90% by weight of a mixture comprising an ester of mono(montan wax acid) and 1,3-butanediol, an ester of di(montan wax acid) and 1,3-butanediol, montan wax acids, 1,3-butanediol, and calcium montanate, and 3)5 to 90% by weight of a carboxylic-amide (component C).

2. The mixture as claimed in claim 1 , wherein the phosphonite is a phosphonite of the structure

R—[P(OR 1 ) 2 ] m   (I)

where

R is a mono- or polyvalent allphatlc, aromatic, or heteroaromatic organic radical, and

R 1 Is a group of the structure (II)

or the two radicals R 1 form a bridging group of the structure (III)

where

A is a direct bond, O, S, C 1-18 -alkylene (linear or branched), or C 1-18 -alkylidene (linear or branched),

and where

R 2 are, independently of one another, C 1-12 -alkyl (linear or branched), C 1-12 -alkoxy, or C 5-12 -cycloalkyl, and

n is 0 to 5, and

m is from 1 to 4.

3. The mixture as claimed in claim 2 , wherein

R is C 4-18 -alkyl (linear or branched), C 4-18 -alkylene (linear or branched), C 5-12 -cycloalkyl, C 5-12 -cycloalkylene, C 6-24 -aryl or -heteroaryl, C 6-24 -arylene or C 6-24 -heteroarylene, which may also have further substitution;

R 1 is a group of the structure (II) or (III), where

R 2 are independently of one another, C 1-8 -alkyl (linear or branched), C 1-8 -alkoxy, or cyclohexyl;

A is a direct bond, O, C 1-8 -alkylene (linear or branched), C 1-8 -alkylidene (linear or branched)

and

n is from 0 to 3

m is from 1 to 3.

4. The mixture as claimed in claim 2 , wherein

R is cyclohexyl, phenyl, phenylene, biphenyl, or biphenylene

R 1 is a group of the structure (II) or (III), where

R 2 are independently of one another, C 1-8 -alkyl (linear or branched), C 1-8 -alkoxy, or cyclohexyl;

A is a direct bond, O, C 1-6 -alkylidene (linear or branched) and

n is from 1 to 3

m is from 1 to 2.

5. The mixture as claimed in claim 1 , wherein component C is a derivative of an aromatic di- or tricarboxylic (ester) amide.

6. The mixture as claimed in claim 5 , wherein the derivative is N,N′-bispiperidinyl-1,3-benzenedicarboxamide and/or N,N′-bis(2,2,6,6-tetramethyl-4-piperidinyl)-1,3-benzenedicarboxamide.

7. The mixture as claimed in claim 1 , further comprising at least one phosphite of the formula (IV)

P(OR 1 ) 3   (IV)

where R 1 is a group of the structure (II) or (III)

or the two radicals R 1 form a bridging group of the structure (III)

where

A is a direct bond, O, S, C 1-18 -alkylene (linear or branched), or C 1-18 -alkylidene (linear or branched),

and where

R 2 are, independently of one another, C 1-12 -alkyl (linear or branched), C 1-12 -alkoxy, or C 5-12 -cycloalkyl, and

n is 0 to 5, and

m is from 1 to 4.

8. The mixture as claimed in claim 7 , wherein the at least one phosphite has the structure (VII) or (VIII)

9. The mixture as claimed in claim 1 , wherein the phosphonite has the structure (V) or (VI)

where n is 0 or 1.

10. The mixture as claimed in claim 1 , which comprises from 15 to 70% by weight of component A, from 15 to 70% by weight of component B, and from 70 to 15% by weight of component C.

11. The mixture as claimed in claim 1 , which comprises from 30 to 35% by weight of component A, from 30 to 35% by weight of component B, and from 35 to 30% by weight of component C.

12. The mixture as claimed claim 1 , wherein components A, and B, C are present in a form selected from the group consisting of pellets, flakes, fine particles, powders, micronizates and mixtures thereof.

13. The mixture as claimed in claim 1 , wherein components A, and B, C are present in a form selected from the group consisting of a physical mixture of the solids, a melt mixture, a compactate, an extrudate, and a masterbatch.