Additive mixtures

Abstract

An additive mixture containing the components (A), (B) and optionally (C), wherein component (A) is at least one compound of the formula (I) wherein p is zero or 1; m and n are independently of one another an integer from zero to 3; and the radicals R are independently of one another C 1 -C 8 alkyl, C 1 -C 8 alkoxy, hydroxy, halogen, C 1 -C 8 alkylthio, C 1 -C 8 alkylsulfoxy or 2 radicals R form together with 2 adjacent carbon atoms of the unsaturated parent ring a 5- to 7-membered carbocyclic or heterocyclic ring; component (B) is at least one compound of the formula (II) wherein x and y are independently of one; another an integer from 2 to 10; the radicals A 1 , A 2 and A 3 are independently of one another C 1 -C 10 alkyl, C 5 -C 12 cycloalkyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; phenyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; or C 7 -C 12 phenylalkyl, and the radicals A 2 and A 3 are additionally hydrogen; with the proviso that at least one of the radicals A 1 and A 2 is branched C 3 -C 10 alkyl, C 5 -C 12 cycloalkyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; phenyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; or C 7 -C 12 phenylalkyl; and component (C) is a lubricant or a mixture of lubricants.

1 . An additive mixture containing the components (A), (B) and optionally (C), wherein 
 component (A) is at least one compound of the formula (I)                          wherein    p is zero or 1;    m and n are independently of one another an integer from zero to 3; and    the radicals R are independently of one another C 1 -C 8 alkyl, C 1 -C 8 alkoxy, hydroxy, halogen, C 1 -C 8 alkylthio, C 1 -C 8 alkylsulfoxy or 2 radicals R form together with 2 adjacent carbon atoms of the unsaturated parent ring a 5- to 7-membered carbocyclic or heterocyclic ring;    component (B) is at least one compound of the formula (II)                          wherein    x and y are independently of one another an integer from 2 to 10;    the radicals A 1 , A 2  and A 3  are independently of one another C 1 -C 10 alkyl, C 5 -C 12 cycloalkyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; phenyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; or C 7 -C 12 phenylalkyl, and    the radicals A 2  and A 3  are additionally hydrogen;    with the proviso that at least one of the radicals A 1  and A 2  is branched C 3 -C 10 alkyl, C 5 -C 12 cycloalkyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; phenyl unsubstituted or substituted by 1 to 3 C 1 -C 10 alkyl; or C 7 -C 12 phenylalkyl; and    component (C) is a lubricant or a mixture of lubricants.    
   
   
       2 . An additive mixture according to  claim 1  wherein 
 p is 1;    m and n are independently of one another zero, 1 or 2; and    the radicals R are independently of one another C 1 -C 4 alkyl;    x and y are independently of one another an integer from 2 to 6;    the radicals A 1 , A 2  and A 3  are independently of one another C 1 -C 5 alkyl, cyclohexyl unsubstituted or substituted by one methyl; phenyl unsubstituted or substituted by one methyl; or 2-phenylpropyl, and    A 3  is additionally hydrogen.    
   
   
       3 . An additive mixture according to  claim 1  wherein 
 component (A) is at least one compound of the formulae (I-1), (I-2) and (I-3), and                          component (B) is the compound of the formula (II-1)                          
   
   
       4 . An additive mixture according to  claim 1  wherein 
 component (C) is at least one lubricant selected from the group consisting of synthetic or natural waxes and amides of fatty acids.    
   
   
       5 . An additive mixture according to  claim 1  wherein 
 component (C) is at least one lubricant selected from the group consisting of Fischer-Tropsch wax, high-pressure polyethylene wax, Ziegler-Natta polyethylene wax, metallocene polyethylene wax, Ziegler-Natta polypropylene wax, natural waxes and amides of fatty acids.    
   
   
       6 . An additive mixture according to  claim 1  wherein 
 component (A) is at least one compound of the formulae (I-1), (I-2) and (I-3);                          component (B) is the compound of the formula (II-1); and                          component (C) is at least one lubricant selected from the group consisting of Fischer-Tropsch wax, high-pressure polyethylene wax, Ziegler-Natta polyethylene wax, metallocene polyethylene wax, Ziegler-Natta polypropylene wax, stearamide, erucamide and oleamide.    
   
   
       7 . An additive mixture according to  claim 1  containing the components (A), (B) and (D) and optionally (C), wherein component (D) is at least one antioxidant which is different from component (B).  
   
   
       8 . An additive mixture according to  claim 1  containing the components (A), (B) and (D) and optionally (C), wherein component (D) is at least one phenolic antioxidant which is different from component (B).  
   
   
       9 . An additive mixture according to  claim 1  containing the components (A), (B) and (D) and optionally (C), wherein component (D) is at least one phenolic antioxidant selected from esters of β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid, β-(5-tert-butyl-4-hydroxyphenyl)propionic acid and β-(3,5-dicyclohexyl-4-hydroxyphenyl)propionic acid.  
   
   
       10 . An additive mixture according to  claim 7  wherein 
 component (A) is a compound of the formula (I-2),                          component (B) is a compound of the formula (II-1),                          and    component (D) is a compound of the formula (III-1)                          
   
   
       11 . An additive mixture according to  claim 7  containing the components (A), (B) and (D) and optionally (C) and optionally one or more further components selected from the group consisting of metal (I) or (II) salts of fatty acids, metal (II) oxides, dihydrotalcite, phosphites, phosphonites, organic sulfides and organic disulfides.  
   
   
       12 . A composition containing the components (I) and (II) wherein component (I) is a polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer; and component (II) is the additive mixture according to  claim 1 .  
   
   
       13 . A composition according to  claim 12  wherein component (I) is a polypropylene homopolymer.  
   
   
       14 . A composition according to  claim 12  wherein component (I) is a polypropylene random copolymer, alternating or segmented copolymer or block copolymer, containing one or more comonomers selected from the group consisting of ethylene, C 4 -C 20 α-olefin, vinylcyclohexane, vinylcyclohexene, C 4 -C 20 alkanediene, C 5 -C 12 cycloalkandiene and norbornene derivatives.  
   
   
       15 . A composition according to  claim 12  wherein component (I) is a polypropylene copolymer, manufactured by copolymerisation of at least 75% by weight of propylene with ethylene or another alpha-olefin comonomer, which is selected from linear or branched butene, linear or branched pentene, linear or branched hexene and linear or branched octene.  
   
   
       16 . (canceled)  
   
   
       17 . A method for clarifying a polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer, which comprises incorporating therein an additive mixture according to  claim 1 .  
   
   
       18 . An additive mixture containing the components (A′) and (C′), wherein either component (A′) is the compound of the formula (I-1); and  
     
       
         
         
             
             
         
       
       component (C′) is at least one lubricant selected from the group consisting of a synthetic wax, montan-ester wax, paraffin wax, stearamide and oleamide; or  
       component (A′) is the compound of the formula (I-2); and  
       
         
           
           
               
               
           
         
       
       component (C′) is at least one lubricant selected from the group consisting of a synthetic wax, montan-ester wax, paraffin wax, stearamide, erucamide and oleamide.  
     
   
   
       19 . A composition containing the components (I′) and (II′) wherein component (I′) is a polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer; and 
 component (II′) is the additive mixture according to  claim 18 .    
   
   
       20 . A method for clarifying a polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer, which comprises incorporating therein an additive mixture according to  claim 18 .  
   
   
       21 . An additive mixture containing the components (A″) and (C″) wherein 
 component (A″) is the compound of the formula (I-3); and                          component (C″) is selected from the group consisting of stearamide and oleamide.    
   
   
       22 . A composition containing the components (I″) and (II″) wherein component (I″) is a polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer; and 
 component (II″) is the additive mixture according to  claim 21 .    
   
   
       23 . A method for clarifying a polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer, which comprises incorporating therein an additive mixture according to  claim 21 .  
   
   
       24 . A composition containing the components (I′″), (A′″) and (C′″) wherein 
 component (I′″) is a polypropylene homopolymer or a polypropylene copolymer, manufactured by copolymerisation of at least 75% by weight of propylene with ethylene or another alpha-olefin comonomer, which is selected from linear or branched butene, linear or branched pentene, linear or branched hexene and linear or branched octene;    component (A′″) is the compound of the formula (I-3); and                          component (C′″) is selected from the group consisting of Fischer-Tropsch wax, high-pressure polyethylene wax, Ziegler-Natta polyethylene wax, metallocene polyethylene wax, Ziegler-Natta polypropylene wax, montan-ester wax, paraffin wax, stearamide, erucamide and oleamide.    
   
   
       25 . (canceled)  
   
   
       26 . (canceled)  
   
   
       27 . (canceled)  
   
   
       28 . (canceled)