Abstract:
Organic materials which possess outstanding stability to oxidative, thermal or light-induced degradation and/or are able to reduce the surface energy of organic materials comprise at least one compound of the formula (I) wherein the general symbols are as defined in claim 1.
Abstract:
The invention describes a composition comprising a) a naturally occurring or synthetic rubber susceptible to oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, b) a white reinforcing filler, c) a coupling agent selected from the group consisting of organofunctionalized silanes, polysulfide silanes, blocked mercaptosilanes, thio substituted silanes, sulfoxide or sulfone substituted silane coupling agents, and oligomeric hydrolysis product thereof, and d) a coupling agent regulator selected from the group consisting of cyclic or acyclic 1,2-disubstituted alkenes bearing two electron-withdrawing groups, cyclic or acyclic 1,2-disubstituted alkenes bearing one electron-withdrawing group and one electron-donating group, cyclic or acyclic 1,1-disubstituted alkenes bearing two electron-withdrawing groups, cyclic or acyclic 1,1-disubstituted alkenes bearing one electron-withdrawing group and one electron-donating group, and cyclic or acyclic trisubstituted alkenes bearing at least two electron-withdrawing groups.
Abstract:
An additive mixture containing (A) a binary system consisting of components (A1 ) and (A2), wherein (A1) is at least one organic cyclic phosphoric acid ester of the formula (I) wherein R 0 is a direct bond, -S-, C 3 -C 12 cycloalkylidene or a group -C(X 1 )(X 2 )- with X 1 and X 2 independently of one another being hydrogen, C 1 -C 18 alkyl or C 3 -C 12 cycloalkyl; and the radicals R 1 are identical and are C 1 -C 18 alkyl or C 3 -C 12 cycloalkyl unsubstituted or substituted by one, two or three C 1 -C 4 alkyl; and (A2) is at least one alkali or alkaline earth metal salt of a saturated or unsaturated aliphatic mono or dicarboxylic acid unsubstituted or substituted by -OH; and (B) a divalent metal alcoholate wherein the metal is Zn, Ca or Mg.
Abstract:
The present invention provides a composition comprising (i) a polymer, (ii) an organic compound A carrying at least two amide functionalities, and (iii) 12 to 1'000 parts per million (ppm) of a compound B selected from the group consisting of an organic compound C carrying at least two amide functionalities, sugar alcohol acetals and derivatives thereof, metal salts of organic acids and precursor-systems thereof, metal salts of organic phosphoric acids and precursor-systems thereof and metal salts of polyols and precursor-systems thereof, and mixtures thereof, based on the weight of the polymer, as well as shaped articles obtainable from this composition.
Abstract:
The invention describes a composition of comprising an organic material which is susceptible to oxidative, thermal or light-induced degradation, and a compound of the formula (I) wherein the general symbols are as defined in claim 1; especially wherein at least one of the radicals R 2 , R 3 or R 4 is -CH(R 11 )-S(O) p -R 12 ; R 11 is hydrogen, C 1 -C 8 alkyl, unsubstituted or with d-C 1 -C 4 alkyl substituted phenyl, R 12 is a monovalent linear or branched organic radical containing a perfluorinated alkyl having 6 fully fluorinated carbon atoms, n is 1, 2 or 3, and p is 0, 1 or 2. The invention describes further a process for reducing the surface energy of organic materials such as for example increasing the oil and water repellency and stain release of organic materials, which comprises treating the organic material with at least a compound of the formula I.
Abstract:
The present invention relates to a stabilizer mixture comprising at least one compound selected from compound of formula (A) and compound of formula (B), and at least one antioxidant compound, wherein the weight ratio of at least one compound of formula (A) and/or the compound of formula (B) to at least one antioxidant is in the range of 1:2 to 1:20. Further, the present invention relates to a composition comprising an organic material and a stabilizer mixture. Furthermore, the present invention relates to the use of the stabilizer mixture for stabilizing an organic material exposed to light.
Abstract:
The invention describes a process for stabilizing an organic material against oxidative, thermal or light-induced degradation, which comprises incorporating therein or applying thereto at least a compound of the formula (I) wherein the general symbols are as defined in claim 1. The compounds of the formula I are especially useful as processing stabilizers for synthetic polymers.
Abstract:
A composition containing (I) a natural or synthetic organic polymer having a melt flow index of 15 to 1000 g/10min at 230°C and 2.16 kg and (II) an additive mixture containing components (A1 ) and (A2), wherein (A1 ) is at least one organic cyclic phosphoric acid ester of the formula (I) (I) wherein R o is a direct bond, -S-, C 3 -C 12 cycloalkylidene or a group -C(Xi)(X2)- with X 1 and X 2 independently of one another being hydrogen, C 1 -C 18 salkyl or C 3 -C 12 cycloalkyl; and the radicals R 1 are identical and are C 1 -C 4 alkyl or C 3 -C 12 cycloalkyl unsubstituted or substituted by one, two or three C 1 -C 4 alkyl; and (A2) is at least one alkali or alkaline earth metal salt of a saturated or unsaturated aliphatic mono or dicarboxylic acid unsubstituted or substituted by -OH; with the proviso that the composition is essentially free of an inorganic or organic pigment.
Abstract:
The invention describes a composition comprising a) a naturally occurring or synthetic elastomer susceptible to oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, b) a white reinforcing filler, and c) as coupling agent, at least one compound of the formula (I) wherein the general symbols are as defined in daim 1, or an oligomeric hydrolysis product of the compound of the formula (I).