Antioxidant Compositions

The invention provides a stabilising composition for polymeric materials comprising: at least one secondary arylamine having the formula I: 2. A stabilising composition according to claim 1 , wherein the hydrocarbyl group has at least 6 carbon atoms claim 1 , at least 7 carbon atoms claim 1 , at least 8 carbon atoms or at least 9 carbon atoms.3. A stabilising composition according to claim claim 1 , wherein the lower alkylated diphenylamine antioxidants are Cand below; Cand below; Cand below; C claim 1 , or mixtures thereof.4. A stabilising composition according to claim 1 , wherein at least one of x or y is more than zero claim 1 , and wherein x and y are each independently:a. from 0 to 4;b. from 0 to 3;c. from 0 to 2; ord. 1.5. A stabilising composition according to claim 4 , wherein x and y are the same.6. A stabilising composition according to claim 5 , wherein x and y are each 1.7. A stabilising composition according to claim 1 , wherein the stabilising composition is substantially free from diphenylamine and from lower alkylated diphenylamine antioxidants.8. A stabilising composition according to claim 1 , wherein the stabilising composition is substantially free from t-butylated diphenylamines.9. A stabilising composition according to wherein the stabilizing composition is a liquid at 25° C. and atmospheric pressure.10. A stabilising composition according to claim 1 , wherein the each hydrocarbyl group is an aliphatic hydrocarbyl group.11. A stabilising composition according to claim 10 , wherein each aliphatic hydrocarbyl group is selected from alkyl claim 10 , alkenyl and alkynyl claim 10 , wherein each hydrocarbyl group may or may not be substituted with other functional groups claim 10 , functional linkages claim 10 , including heteroatoms.12. A stabilising composition according to claim 11 , wherein each aliphatic hydrocarbyl group is selected from alkyl groups claim 11 , wherein each hydrocarbyl group may or may not be substituted.13. A stabilising ...

Processes for forming alkylated aryl phosphite compositions from complex hydrocarbon streams

Processes for alkylating hydroxyaryl compounds by reacting a hydroxyaryl with at least one olefin of a complex hydrocarbon stream. The complex hydrocarbon stream preferably comprises a fraction of a cracked hydrocarbon feed stream or the reaction products of a dehydrogenation of a paraffinic feedstock. The olefin of the complex hydrocarbon stream is preferably a branched olefin, e.g., isobutylene or isoamylene. The alkylated compositions are suitable for forming liquid phosphite compositions.

Polymers with low gel content and enhanced gas-fading

A polymer stabilizing composition comprising a sterically hindered phenol and a phosphite that provides low gel content and enhanced resistance to gas-fading. The stabilizer composition is particular useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. The sterically hindered phenol is selected from the group consisting of 1,3,5-tris-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 1,3,5-tris-(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate,1,3,5-tris(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-trione, and 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene. The phosphite preferably is a liquid phosphite composition comprising two or more alkylated aryl phosphites.

Antioxidant compositions

Composition

A stabilising composition comprises a first phenolic antioxidant with melting point of ≤100°C and molecular weight ≥400; second phenolic antioxidant that is solid under ambient conditions and has lower steric hindrance than the first phenolic antioxidant; and a secondary antioxidant comprising a phosphite and/or a thioester. The stabilising composition may comprise 30-95 wt.% first phenolic antioxidant, e.g. C13-15 alkyl esters of 3,5-bis(1,1-dimethylethyl)-4-hydroxy-benzenepropanoic acid or tetrakismethylene (3,5-di-t-butyl-4-hydroxyhydrocinnamate)methane; 0.1-50 wt.% second phenolic antioxidant, e.g. 4-t-butylcatechol, 2,5-di-t-amylhydroquinone, 2,2’-thiobis(6-t-butyl-4-methylphenol), or 4,4’-thiobis(2-t-butyl-5-methylphenol); and 0.01-20 wt.% secondary antioxidant, e.g. trilaurylphosphite, triisodecylphosphite, tris(dipropyleneglycol)phosphite, or di(tridecyl)thiodipropionate. In an alternative aspect, the first phenolic antioxidant has <10 ppm VOC contribution and/or <100 ppm FOG contribution ...

Stabilization of polymers with styrenated-p-cresols

Disclosed herein is a process for the preparation of a mixture of styrenated p-cresol species that is liquid at room temperature and has a viscosity of less than 40,000 cps at 25° C., wherein said process affords 2,6-distyrenated p-cresol assaying at 70% minimum by GC area percent, comprising reacting styrene with p-cresol at a molar ratio of 1.85 to 2.1:1, respectively, in the presence of an acid catalyst at elevated temperature, wherein said mixture comprises monostyrenated-p-cresol, distyrenated-p-cresol, and tristyrenated-p-cresol and exhibits an acid number of less than 0.1 mg KOH/gram.

Non-dust blend

A non-dust blend comprises tris(2-t-butylphenyl)phosphite, wherein dust may be defined as particles capable of passing through sieve apertures of 0.5 mm. Typically, the amount of dust in the blend is <1 wt.%. The blend may also comprise a fully hindered phenolic antioxidant, e.g. tetrakismethylene(3,5-di-t-butyl-4-hydroxyhydrocinnamate)methane, 2,2’-thiodiethylene bis[3(3,5-di-t-butyl-4- hydroxyphenyl)propionate], octadecyl 3-(3’,5’-di-t-butyl-4’-hydroxyphenyl)propionate, 1,3,5-tris(3,5-di-t-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-trimethyl-2,4,6-tris(3,5-di-t-butyl-4-hydroxybenzyl)benzene, N,N’-hexamethylenebis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionamide], 1,2-bis(3,5-di-t-butyl-4-hydroxyhydrocinnamoyl)hydrazine, 2,2’-ethylidenebis[4,6-di-t-butylphenol], or butylated hydroxytoluene. A process for forming the non-dust blend comprises the steps of (i) extruding or otherwise processing tris(2-t-butylphenyl)phosphite to provide a substrate, (ii) cooling the substrate, and (iii) optionally ...

Composition

A stabilising composition comprising a first phenolic antioxidant comprising one or more compounds having the structure of formula (I): wherein R1 is a linear or branched alkyl group having from 12-20 carbon atoms; and one or more second phenolic antioxidants independently selected from a mono-hydroxybenzene having less steric hindrance than the first phenolic antioxidant, a di-hydroxybenzene, and/or a tri-hydroxybenzene. The linear or branched alkyl group may have from 12-15 carbon atoms, preferably 13-15 carbon atoms. Preferably the first phenolic antioxidant comprises a mixture of two or more phenolic compounds of formula (I) and most preferably comprises C13-C15 linear and branched alkyl esters of 3-(3'5'-di-tert-butyl-4'-hydroxyphenyl) propionic acid. The first phenolic compound may be a liquid at ambient conditions. Preferably the mono-hydroxybenzene is 4,4thiobis(2-tert-butyl-5-methylphenol) or 2,2thiobis(6-tert-butyl-4-methylphenol) and preferably the di-hydroxybenzene is 4-tert-butylcatechol ...

Stabilising Compositions

Hydrolytically stable phosphite compositions

Hydrolytically stable phosphites as secondary antioxidants for polymer resins comprising a phosphite and an amine compound. The phosphite may be a liquid phosphite composition. The amine compound may have the structure of formula I: wherein x is 1, 2 or 3; R 1 is selected from the group consisting of hydrogen, and straight or branched C 1 -C 6 alkyl, and R 2 is selected from the group consisting of straight or branched C 1 -C 30 alkyl.

Composition

A stabilising antioxidant composition comprises tris(2-t-butylphenyl) phosphite in the absence of tris(2,4-di-t-butylphenyl) phosphite. Typically, the composition lacks arylphosphites having t-butyl or other alkyl groups in the para-position relative to the phosphite groups. The composition preferably excludes di(2-t-butylphenyl)monophenyl phosphite. Another stabilising antioxidant composition comprises tris(2-t-butylphenyl) phosphite obtained by adding 2-t-butyl phenol to a phosphorus trihalide. Typically, addition occurs at ≤150°C in the presence of a secondary or tertiary amine or quaternary ammonium catalyst. Substantially pure tris(2-t-butylphenyl) phosphite is also claimed, having a preferred purity of ≥98%. It may be produced by adding 2-t-butyl phenol to a phosphorus trihalide followed by one crystallisation. Antidegradant blends comprising the composition or substantially pure tris(2-t-butylphenyl) phosphite may contain phenolic antioxidant, further organic phosphite antioxidant ...

Antioxidant compositions

A polymer stabilising composition comprises (a) a first derivatised phenolic antioxidant, (b) a secondary arylamine of Formula (I), wherein x is 0-5, y is 0-5, x+y≥1, R is optionally substituted hydrocarbyl group and at least one R comprises (i) ≥9 carbon atoms or (ii) ≥5 carbon atoms if (b) is present in an amount of 35-75 wt.% of the stabilising composition, and (c) an antioxidant booster selected from (i) a second derivatised phenolic antioxidant having a lower steric hinderance than the first phenolic antioxidant, (ii) a hindered amine, or (iii) an optionally substituted phenothiazine. Preferably, Rx or Ry is a nonyl group and the arylamine may be mono-nonyl or di-nonyl diphenylamine. The composition may be substantially free from diphenylamine and lower alkylated diphenylamine antioxidants, such as t-butylated diphenylamines. Use of the composition to stabilise polyols or polyurethanes is also disclosed, whereby the stabilising composition may be present in an amount of 0.01-2 wt.% ...

Processes for forming alkylated aryl phosphite compositions from complex hydrocarbon streams

Processes for alkylating hydroxyaryl compounds by reacting a hydroxyaryl with at least one olefin of a complex hydrocarbon stream. The complex hydrocarbon stream preferably comprises a fraction of a cracked hydrocarbon feed stream or the reaction products of a dehydrogenation of a paraffinic feedstock. The olefin of the complex hydrocarbon stream is preferably a branched olefin, e.g., isobutylene or isoamylene. The alkylated compositions are suitable for forming liquid phosphite compositions.

hydrolytically stable phosphite compositions.

Non-Dust Blend

The present invention concerns a non-dust blend comprising tris(2-t-butylphenyl) phosphite.

Solid alkylaryl phosphite compositions and methods for manufacturing same

The invention is directed to various alkylaryl phosphite compositions that ideally are suitable for use as secondary antioxidants in polymers. In one aspect, the phosphite composition comprises a tris(monoalkylaryl)phosphite in an amount from 51 to 95 weight percent; and at least one of: a bis(monoalkylaryl)dialkylaryl phosphite; a bis(dialkylaryl)monoalkylaryl phosphite; and a tris(dialkylaryl)phosphite. The inventive phosphite composition is a solid at ambient conditions. The invention also relates to alkylate compositions and processes for forming such alkylate compositions and such phosphite compositions.

Liquid phosphite compositions having different alkyl groups

A composition comprising a mixture of at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the mixture is a liquid at ambient conditions.

Antioxidant composition

The present invention provides a stabilising composition, comprising: a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I) wherein R1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; and b) one or more second phenolic antioxidants independently selected from: a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; a di-hydroxybenzene; and/or a tri-hydroxybenzene.

LIQUID STYRENATED PHENOLIC COMPOSITIONS AND PROCESSES FOR FORMING SAME

Disclosed herein are highly stable styrenated phenolic compositions that are liquids at room temperature, and polymer articles and lubricant compositions containing such styrenated phenolic compositions. Also disclosed are processes for forming such styrenated phenolic compositions, which processes afford distyrenated phenolics assaying at 70% minimum by total GC area, comprising reacting styrene with one or more phenolics, e.g., at least one of phenol, p-cresol and/or o-cresol, in the presence of an acid catalyst, preferably a sulfonic acid catalyst, at elevated temperature, wherein the resulting product mixture comprises one or more monostyrenated phenolics, one or more distyrenated phenolics, and one or more tristyrenated phenolics.

Phosphite compositions

Solid phosphite compositions comprising tris(4-t-alkylphenyl)phosphites and selected hydroxyalkyl amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., “gas fading”.

Liquid phosphite composition derived from cresols

A composition at least two different phosphites, one of which is derived from an alkylated cresol, wherein the composition is a liquid at ambient conditions. The other phosphites may be derived from alkylated cresol, alkylated phenol or other alkylated hydroxyaryl compounds. The cresol may be mono-alkylated or di-alkylated with a C1-C18 alkyl group.

POLYMERS WITH LOW GEL CONTENT AND ENHANCED GAS-FADING

A polymer stabilizing composition comprising a sterically hindered phenol and a phosphite that provides low gel content and enhanced resistance to gas-fading. The stabilizer composition is particular useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. The sterically hindered phenol is selected from the group consisting of 1,3,5-tris-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 1,3,5-tris-(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-trione, and 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene. The phosphite preferably is a liquid phosphite composition comprising two or more alkylated aryl phosphites.

Liquid phosphite blends as stabilizers

A composition is disclosed that comprises a blend of at least two different phosphites of the structure wherein R 1 , R 2 , and R 3 are independently selected alkylated aryl groups and wherein said blend is a liquid at ambient conditions. The compositions are useful for stabilizing thermoplastic resins and elastomers.

LIQUID AMYLARYL PHOSPHITE COMPOSITIONS

A phosphite composition comprising at least two of a tris(diamylaryl) phosphite, a tris(monoamylaryl) phosphite, a bis(diamylaryl)monoamylaryl phosphite, and a bis(monoamylaryl)diamylaryl phosphite. The inventive phosphite composition is a liquid at ambient conditions.

Liquid Phosphite Compositions Having Different Alkyl Groups

A composition comprising a mixture of at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the mixture is a liquid at ambient conditions. 2. The composition of claim 1 , wherein the composition comprises one or more bis(monaoalkylaryl)dialkylaryl phosphites of structure (XI) wherein m+p+q=1 and n+o=2 claim 1 , in an amount from 15 to 60 weight percent.3. The composition of claim 2 , wherein the composition comprises one or more bis(dialkylaryl)alkylaryl phosphites of structure (XI) wherein m+p+q=2 and n+o=1 claim 2 , in an amount from 2 to 20 weight percent.4. The composition of claim 3 , wherein the composition comprises one or more tris(dialkylaryl) phosphites of structure (XI) wherein m+p+q=3 and n and o are 0 in an amount from 0.1 to 20 weight percent.5. The composition of claim 1 , wherein the composition comprises from 0.01 to 5 weight percent of said phenols based on the total weight of all phosphites and said free phenol in the composition.6. The phosphite composition of claim 1 , wherein Rand Rare selected from propyl claim 1 , n-butyl claim 1 , sec-butyl claim 1 , t-butyl claim 1 , n-amyl claim 1 , sec-amyl claim 1 , neo-amyl and t-amyl.8. The composition of claim 7 , wherein Ris propyl or t-butyl.9. The composition of claim 7 , wherein Ris t-amyl.10. The composition of claim 7 , wherein Ris t-butyl and Ris t-amyl.12. The composition of claim 11 , wherein Ris propyl or t-butyl.13. The composition of claim 11 , wherein Ris t-amyl.14. The composition of claim 11 , wherein Ris t-butyl and Ris t-amyl.15. The phosphite composition of claim 1 , wherein least one of the first or second alkylaryl phosphites is of the structure (XI) wherein m is an integer selected from 1 claim 1 , 2 and 3; n claim 1 , o claim 1 , p and q are integers independently selected from 0 claim 1 , 1 and 2 claim 1 , provided that m+n+o+p+q=3 claim 1 , wherein each Ar is phenyl claim 1 , and ...

Stabilization of polymers with styrenated-p-cresols

Disclosed herein is a process for the preparation of a mixture of styrenated p-cresol species that is liquid at room temperature and has a viscosity of less than 40,000 cps at 25° C., wherein said process affords 2,6-distyrenated p-cresol assaying at 70% minimum by GC area percent, comprising reacting styrene with p-cresol at a molar ratio of 1.85 to 2.1:1, respectively, in the presence of an acid catalyst at elevated temperature, wherein said mixture comprises monostyrenated-p-cresol, distyrenated-p-cresol, and tristyrenated-p-cresol and exhibits an acid number of less than 0.1 mg KOH/gram.

PHOSPHITE COMPOSITIONS

Solid phosphite compositions comprising tris(4-t-alkylphenyl) phosphites and selected hydroxyalkyl amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., “gas fading”. 1. A polymer stabilizing composition , comprising: 'wherein said one or more phosphite antioxidants comprise one or more solid tris(monoalkylaryl) phosphites, wherein the one or more solid tris(monoalkylaryl) phosphites is present in the composition in an amount exceeding 95 wt % with respect to the total amount of alkylaryl phosphite present in the composition; and', '(i) a first component comprising one or more phosphite antioxidants,'}(ii) a second component comprising an alkanolamine.3. The composition according to claim 2 , wherein R is selected from the group consisting of methyl claim 2 , ethyl claim 2 , propyl claim 2 , 2-methylpropyl and 2 claim 2 ,2-dimethylpropyl.4. The composition according to claim 2 , wherein the at least one tris(4-monoalkylaryl) phosphite of formula (I) is selected from the group consisting of tris(4-t-butylphenyl) phosphite and tris(4-t-amylphenyl) phosphite.5. The composition according to claim 2 , wherein 96 to 100% by weight of all phosphite antioxidants is one or more tris(4-monoalkylaryl)phosphite of formula (I).6. The composition according to claim 2 , wherein in the amine (b) each Ris independently selected from the group consisting of hydrogen claim 2 , straight or branched C-Calkyl and Ris a straight or branched C-Calkyl group.7. The composition according to wherein the amine is selected from the group consisting of triethanolamine claim 6 , tripropanolamine claim 6 , triisopropanolamine claim 6 , octyl-bis(2-ethanol)amine claim 6 , nonyl-bis(2-ethanol)amine claim 6 , decyl-bis(2-ethanol)amine claim 6 , undecyl-bis(2-ethanol) ...

HYDROLYTICALLY STABLE PHOSPHITE COMPOSITIONS

Liquid phosphite compositions having different alkyl groups

A composition comprising a mixture of at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the mixture is a liquid at ambient conditions.

Liquid butylaryl phosphite compositions

A phosphite composition comprising at least two of a tris(dibutylaryl) phosphite, a tris(monobutylaryl) phosphite, a bis(dibutylaryl)monobutylaryl phosphite, and a bis(monobutylaryl)dibutylaryl phosphite. The inventive phosphite composition is a liquid at ambient conditions.

Processes For Forming Alkylated Aryl Phosphite Compositions From Complex Hydrocarbon Streams

Processes for alkylating hydroxyaryl compounds by reacting a hydroxyaryl with at least one olefin of a complex hydrocarbon stream. The complex hydrocarbon stream preferably comprises a fraction of a cracked hydrocarbon feed stream or the reaction products of a dehydrogenation of a paraffinic feedstock. The olefin of the complex hydrocarbon stream is preferably a branched olefin, e.g., isobutylene or isoamylene. The alkylated compositions are suitable for forming liquid phosphite compositions.

Liquid styrenated phenolic compositions and processes for forming same

Disclosed herein are highly stable styrenated phenolic compositions that are liquids at room temperature, and polymer articles and lubricant compositions containing such styrenated phenolic compositions. Also disclosed are processes for forming such styrenated phenolic compositions, which processes afford distyrenated phenolics assaying at 70% minimum by total GC area, comprising reacting styrene with one or more phenolics, e.g., at least one of phenol, p-cresol and/or o-cresol, in the presence of an acid catalyst, preferably a sulfonic acid catalyst, at elevated temperature, wherein the resulting product mixture comprises one or more monostyrenated phenolics, one or more distyrenated phenolics, and one or more tristyrenated phenolics.

Liquid phosphite blends as stabilizers

A composition is disclosed that comprises a blend of at least two different phosphites of the structure wherein R 1 , R 2 , and R 3 are independently selected alkylated aryl groups and wherein said blend is a liquid at ambient conditions. The compositions are useful for stabilizing thermoplastic resins and elastomers.

LIQUID PHOSPHITE BLENDS AS STABILIZERS

A composition is disclosed that comprises a blend of at least two different phosphites of the structure wherein R1, R2, and R3 are independently selected alkylated aryl groups and wherein said blend is a liquid at ambient conditions. The compositions are useful for stabilizing thermoplastic resins and elastomers.

Solid alkylaryl phosphite compositions and methods for manufacturing same

The invention is directed to various alkylaryl phosphite compositions that ideally are suitable for use as secondary antioxidants in polymers. In one aspect, the phosphite composition comprises a tris(dialkylaryl)phosphite in an amount from 20 to 93 weight percent; and at least one of: a bis(dialkylaryl)monoalkylaryl phosphite; a bis(monoalkylaryl)dialkylaryl phosphite; and a tris(monoalkylaryl)phosphite. The inventive phosphite composition is a solid at ambient conditions. The invention also relates to alkylate compositions and processes for forming such alkylate compositions and such phosphite compositions.

Solid alkylaryl phosphite compositions and methods for manufacturing same

The invention is directed to various alkylaryl phosphite compositions that ideally are suitable for use as secondary antioxidants in polymers. In one aspect, the phosphite composition comprises a tris(dialkylaryl)phosphite in an amount from 20 to 93 weight percent; and at least one of: a bis(dialkylaryl)monoalkylaryl phosphite; a bis(monoalkylaryl)dialkylaryl phosphite; and a tris(monoalkylaryl)phosphite. The inventive phosphite composition is a solid at ambient conditions. The invention also relates to alkylate compositions and processes for forming such alkylate compositions and such phosphite compositions.

LIQUID PHOSPHITE COMPOSITIONS HAVING DIFFERENT ALKYL GROUPS

A composition comprising at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the composition is a liquid at ambient conditions.

Liquid phosphite compositions having different alkyl groups

A composition comprising at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the composition is a liquid at ambient conditions.

LIQUID AMYLARYL PHOSPHITE COMPOSITIONS AND ALKYLATE COMPOSITIONS FOR MANUFACTURING SAME

Alkylate compositions comprising a monoamylphenol in an amount ranging from 25 weight percent to 99 weight percent and a diamylphenol in an amount ranging from 1 weight percent to 60 weight percent, the weight percentages being based on the total weight of all components in the alkylate composition. The invention is also to processes for making such alkylate compositions and to processes for forming stable liquid amylaryl phosphite compositions from such alkylate compositions.

Hydrolytically stable phosphite compositions

Hydrolytically stable phosphites as secondary antioxidants for polymer resins comprising a phosphite and an amine compound. The phosphite may be a liquid phosphite composition. The amine compound may have the structure of formula I: wherein x is 1, 2 or 3; R1 is selected from the group consisting of hydrogen, and straight or branched C1-C6 alkyl, and R2 is selected from the group consisting of straight or branched C1-C30 alkyl.

Liquid amylaryl phosphite compositions

A phosphite composition comprising at least two of a tris(diamylaryl) phosphite, a tris(monoamylaryl) phosphite, a bis(diamylaryl)monoamylaryl phosphite, and a bis(monoamylaryl)diamylaryl phosphite. The inventive phosphite composition is a liquid at ambient conditions.

LIQUID PHOSPHITE COMPOSITION DERIVED FROM CRESOLS

A composition at least two different phosphites, one of which is derived from an alkylated cresol, wherein the composition is a liquid at ambient conditions. The other phosphites may be derived from alkylated cresol, alkylated phenol or other alkylated hydroxyaryl compounds. The cresol may be mono-alkylated or di-alkylated with a C1-C18 alkyl group.

Liquid amylaryl phosphite compositions and alkylate compositions for manufacturing same

Alkylate compositions comprising a monoamylphenol in an amount ranging from 25 weight percent to 99 weight percent and a diamylphenol in an amount ranging from 1 weight percent to 60 weight percent, the weight percentages being based on the total weight of all components in the alkylate composition. The invention is also to processes for making such alkylate compositions and to processes for forming stable liquid amylaryl phosphite compositions from such alkylate compositions.

LIQUID BUTYLARYL PHOSPHITE COMPOSITIONS AND ALKYLATE COMPOSITIONS FOR MANUFACTURING SAME

Alkylate compositions comprising a monobutylphenol in an amount ranging from 50 weight percent to 99 weight percent and a dibutylphenol in an amount ranging from 1 weight percent to 50 weight percent, the weight percentages being based on the total weight of all components in the alkylate composition. The invention is also to processes for making such alkylate compositions and to processes for forming stable liquid butylaryl phosphite compositions from such alkylate compositions.

Polymers with low gel content and enhanced gas-fading

A polymer stabilizing composition comprising a sterically hindered phenol and a phosphite that provides low gel content and enhanced resistance to gas-fading. The stabilizer composition is particular useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. The sterically hindered phenol is, for example, selected from the group consisting of 1,3,5-tris-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 1,3,5-tris-(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-trione, and 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene.

Stabilized polyurethane composition

The present invention provides a stabilising composition, comprising:a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I): wherein R1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; andb) one or more second phenolic antioxidants independently selected from: a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; a di-hydroxybenzene; and/or a tri-hydroxybenzene.

Solid alkylaryl phosphite compositions and methods for manufacturing same

The invention is directed to various alkylaryl phosphite compositions that ideally are suitable for use as secondary antioxidants in polymers. In one aspect, the phosphite composition comprises a tris(monoalkylaryl)phosphite in an amount from 51 to 95 weight percent; and at least one of: a bis(monoalkylaryl)dialkylaryl phosphite; a bis(dialkylaryl)monoalkylaryl phosphite; and a tris(dialkylaryl)phosphite. The inventive phosphite composition is a solid at ambient conditions. The invention also relates to alkylate compositions and processes for forming such alkylate compositions and such phosphite compositions.

Polymers with Low Gel Content and Enhanced Gas-Fading

A polymer stabilizing composition comprising a sterically hindered phenol and a phosphite that provides low gel content and enhanced resistance to gas-fading. The stabilizer composition is particular useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. The sterically hindered phenol is, for example, selected from the group consisting of 1,3,5-tris-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 1,3,5-tris-(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-trione, and 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene.

PHOSPHITE COMPOSITIONS

Solid phosphite compositions comprising tris(4-t-alkylphenyl)phosphites and selected hydroxyalkyl amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., “gas fading”. 1. A polymer stabilizing composition , comprising: 'wherein said one or more phosphite antioxidants comprise one or more solid tris(monoalkylaryl)phosphites, wherein the one or more solid tris(monoalkylaryl)phosphites is present in the composition in an amount exceeding 95 wt % with respect to the total amount of alkylaryl phosphite present in the composition; and', '(i) a first component comprising one or more phosphite antioxidants,'}(ii) a second component comprising an alkanolamine.3. The composition according to claim 2 , wherein R is selected from the group consisting of methyl claim 2 , ethyl claim 2 , propyl claim 2 , 2-methylpropyl and 2 claim 2 ,2-dimethylpropyl.4. The composition according to claim 2 , wherein the at least one tris(4-monoalkylaryl) phosphite of formula (I) is selected from the group consisting of tris(4-t-butylphenyl)phosphite and tris(4-t-amylphenyl)phosphite.5. The composition according to claim 2 , wherein 96 to 100% by weight of all phosphite antioxidants is one or more tris(4-monoalkylaryl)phosphite of formula (I).6. The composition according to claim 2 , wherein in the amine (b) each Ris independently selected from the group consisting of hydrogen claim 2 , straight or branched C-Calkyl and Ris a straight or branched C-Calkyl group.7. The composition according to wherein the amine is selected from the group consisting of triethanolamine claim 6 , tripropanolamine claim 6 , triisopropanolamine claim 6 , octyl-bis(2-ethanol)amine claim 6 , nonyl-bis(2-ethanol)amine claim 6 , decyl-bis(2-ethanol)amine claim 6 , undecyl-bis(2-ethanol)amine ...

Composition

The present invention provides a stabilising composition, comprising:a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I): wherein R1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; andb) one or more second phenolic antioxidants independently selected from: a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; a di-hydroxybenzene; and/or a tri-hydroxybenzene.

Composition

The present invention provides a stabilising composition, comprising:a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I): wherein R1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; andb) one or more second phenolic antioxidants independently selected from: a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; a di-hydroxybenzene; and/or a tri-hydroxybenzene.

COMPOSITION

The present invention concerns a stabilising antioxidative composition comprising tris(2-t-butylphenyl) phosphite in the absence of tris(2,4-di-t-butylphenyl) phosphite. 125-. (canceled)26. A stabilizing antioxidative composition , comprising tris(2-t-butylphenyl) phosphite , with the proviso that the composition does not contain any tris(2 ,4-di-t-butylphenyl) phosphite.27. The stabilizing antioxidative composition according to claim 26 , with the proviso that the composition does not contain any arylphosphite having a t-butyl group in the para-position claim 26 , with respect to the phosphite group.28. The stabilizing antioxidative composition according to claim 27 , with the proviso that the composition does not contain any arylphosphite having an alkyl group in the para-position claim 27 , with respect to the phosphite group.29. The stabilizing antioxidative composition according to claim 26 , with the proviso that the composition does not contain any di(2-t-butylphenyl) monophenyl phosphite.30. A stabilizing antioxidative composition comprising tris(2-t-butylphenyl) phosphite claim 26 , prepared by adding 2-t-butyl phenol to a phosphorus trihalide.31. The stabilizing antioxidative composition according to claim 30 , with the proviso that the composition does not contain any di(2-t-butylphenyl) monophenyl phosphite.32. The stabilizing antioxidative composition according to claim 30 , wherein the 2-t-butyl phenol is added to the phosphorus trihalide by subsurface addition.33. The stabilizing antioxidative composition according to claim 30 , wherein the addition of 2-t-butyl phenol to the phosphorus trihalide is conducted stepwise or continuously claim 30 , such that 2-t-butyl phenol is added to a bulk quantity of the phosphorus trihalide.34. The stabilizing antioxidative composition according to claim 30 , wherein the reaction temperature during addition of the 2-t-butyl phenol to the phosphorus trihalide is maintained at or below 150° C. for at least a portion ...

COMPOSITION

The present invention provides a stabilising composition, comprising: a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I) wherein Ris a linear or branched alkyl group having from 12 to 20 carbon atoms; and b) one or more second phenolic antioxidants independently selected from: a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; a di-hydroxybenzene; and/or a tri-hydroxybenzene. 2. A stabilising composition according to claim 1 , wherein Ris a linear or branched alkyl group having from 12 to 15 carbon atoms.3. The stabilising composition according to claim 1 , wherein Ris a linear or branched alkyl group having from 13 to 15 carbon atoms.4. The stabilising composition according to claim 1 , wherein the first phenolic antioxidant comprises a mixture of two or more phenolic compounds having the structure of formula (I) claim 1 , wherein Ris different in each phenolic compound.5. The stabilising composition according to claim 1 , wherein the first phenolic antioxidant comprises a mixture of two or more phenolic compounds having the structure of formula (I) claim 1 , wherein Ris different in each phenolic compound and is selected from a linear alkyl group having 12 carbon atoms claim 1 , a branched alkyl group having 12 carbon atoms claim 1 , a linear alkyl group having 13 carbon atoms claim 1 , a branched alkyl group having 13 carbon atoms claim 1 , a linear alkyl group having 14 carbon atoms claim 1 , a branched alkyl group having 14 carbon atoms claim 1 , a linear alkyl group having 15 carbon atoms and/or a branched alkyl group having 15 carbon atoms.6. The stabilising composition according to claim 1 , wherein the first phenolic antioxidant comprises a mixture of two or more phenolic compounds having the structure of formula (I) claim 1 , wherein Ris different in each phenolic compound and is selected from a linear alkyl group having 13 carbon atoms claim 1 , a branched ...

Polymers with low gel content and enhanced gas-fading

A polymer stabilizing composition comprising a sterically hindered phenol and a phosphite that provides low gel content and enhanced resistance to gas-fading. The stabilizer composition is particular useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. The sterically hindered phenol is selected from the group consisting of 1,3,5-tris-(4-tert-butyl-3-hydroxy-2,6- dimethylbenzyl)isocyanurate, 1,3,5 -tris-(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate, 1,3,5- tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris(4-t-butyl-3-hydroxy-2,6- dimethylbenzyl)1,3,5-Triazine-2,4,6-(1H,3H,5H)-trione, and 1,3,5-tris-(3,5-di-tert-butyl-4- hydroxybenzyl)-2,4,6-trimethylbenzene. The phosphite preferably is a liquid phosphite composition comprising two or more alkylated aryl phosphites.

Phosphite compositions

Solid phosphite compositions comprising tris (4-t-alkyiphenyl) phosphites and selected hydroxyalkyi amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., "gas fading".

Processes for forming alkylated aryl phosphite compositions from complex hydrocarbon streams

Process for forming alkylated aryl phosphite compositions from complex hydrocarbon streams

Processes for alkylating hydroxyaryl compounds by reacting a hydroxyaryl with at least one olefin of a complex hydrocarbon stream. The complex hydrocarbon stream preferably comprises a fraction of a cracked hydrocarbon feed stream or the reaction products of a dehydrogenation of a paraffinic feedstock. The olefin of the complex hydrocarbon stream is preferably a branched olefin, e.g., isobutylene or isoamylene. The alkylated compositions are suitable for forming liquid phosphite compositions.

Composition

The present invention concerns a stabilising antioxidative composition comprising tris(2-t-butylphenyl) phosphite in the absence of tris(2,4-di-t-butylphenyl) phosphite.

Non-dust blend

The present invention concerns a non-dust blend comprising tris(2-t-butylphenyl) phosphite.

Liquid phosphite blends as stabilizers

A composition is disclosed that comprises a blend of at least two different phosphites of the structure, wherein R, R, and R are independently selected alkylated aryl groups and wherein said blend is a liquid at ambient conditions. The compositions are useful for stabilizing thermoplastic resins and elastomers.

Non-dust blend

The present invention concerns a non-dust blend comprising tris(2-t-butylphenyl) phosphite.

Stabilization of polymers with styrenated-p-cresols

METHOD FOR THE PREPARATION OF LOW GEL POLYLEPHINS AND DISAPPEARANCE OF GAS INCREASED BY THE ADDITION TO POLIOLEFINE OF A COMPOSITION AND ARTICLE

método para a preparação de poliolefinas com baixo teor de gel e desaparecimento do gás aumentado pela adição de poliolefina a uma composição e artigo. uma composição estabilizadora de polímero compreendendo um fenol impedido estericamente e a fosfita que fornece baixo teor de gel e resistência aumentada ao desaparecimento de gás. a composição estabilizadora é particularmente útil para a estabilização de homopolímeros de polietileno e copolímeros, tal como polietilenos de baixa densidade linear produzidos a partir catalisador de metaloceno. o fenol impedido estericamente é selecionado a partir do grupo consistindo em 1,3,5-tris(4-tert-butil-3-hidroxi-2,6-dimetibenzil)isocianurato, 1,3,5-tris(3,5-diciclohexil-4-hidroxibenzil) isocianurato, 1,3,5-tris(3,5-di-tert-butil-4-hidroxibenzil) isocianurato, 1,5,5-tris(4-t-butil-3-hidroxi-2,6-dimetilbenzil)-1,3,5-triazina-2,4,6-(1h,3h,5h)-triona, e 1,3,5-tris-(3,5-di-tert-butil-4-hidroxibenzil)-2,4,6-trimetilbenzeno. a fosfita é de preferência uma composição líquida de fosfita compreendendo duas ou mais aril fosfitas alquiladas. Method for the preparation of low gel polyolefins and increased gas disappearance by the addition of polyolefin to a composition and article. a polymer stabilizing composition comprising a sterically hindered phenol and phosphite which provides low gel content and increased gas leakage resistance. The stabilizing composition is particularly useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. the sterically hindered phenol is selected from the group consisting of 1,3,5-tris (4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl) isocyanurate, 1,3,5-tris (3,5- dicyclohexyl-4-hydroxybenzyl) isocyanurate, 1,3,5-tris (3,5-di-tert-butyl-4-hydroxybenzyl) isocyanurate, 1,5,5-tris (4-t-butyl-3-hydroxy) 2,6-dimethylbenzyl) -1,3,5-triazine-2,4,6- (1h, 3h, 5h) -trione, and 1,3,5-tris- (3,5-di-tert-butyl -4-hydroxybenzyl) -2,4,6- ...

STABILIZING COMPOSITION, FIRE RETARDANT MIXTURE, USE OF THE STABILIZING COMPOSITION OR FIRE RETARDANT MIXTURE, AND, STABILIZED COMPOSITION

A invenção provê uma composição estabilizante para um poliol e/ou um poliuretano, compreendendo: a) um primeiro antioxidante fenólico derivado tendo um peso molecular de pelo menos cerca de 400 g/mol e um ponto de fusão de menos que cerca de 100°C; b) um segundo antioxidante fenólico derivado tendo impedimento estérico menor que o primeiro antioxidante fenólico derivado, que é um sólido em condições ambientais; e c) um antioxidante secundário compreendendo um fosfito e/ou um tioéster, e também é descrita uma mistura retardante de fogo compreendendo a composição estabilizante e um retardante de fogo. The invention provides a stabilizing composition for a polyol and/or a polyurethane, comprising: a) a first derivative phenolic antioxidant having a molecular weight of at least about 400 g/mol and a melting point of less than about 100°C ; b) a second derivative phenolic antioxidant having lesser steric hindrance than the first derivative phenolic antioxidant, which is a solid under ambient conditions; and c) a secondary antioxidant comprising a phosphite and/or a thioester, and a fire retardant mixture comprising the stabilizing composition and a fire retardant is also described.

Stabilizer Composition

The invention provides a stabilising composition for a polyol and/or a polyurethane, comprising: a) a first derivatised phenolic antioxidant having a molecular weight of at least about 400 g/mol and a melting point of less than about 100° C.; b) a second derivatised phenolic antioxidant having lower steric hindrance than the first derivatised phenolic antioxidant, which is a solid at ambient conditions; and c) a secondary antioxidant comprising a phosphite and/or a thioester, and also disclosed is a fire retardant blend comprising the stabilising composition and a fire retardant.

Liquid phosphite compositions having different alkyl groups

Phosphite compositions

Hydrolytically stable phosphite compositions

Hydrolytically stable phosphites as secondary antioxidants for polymer resins comprising a phosphite and an amine compound. The phosphite may be a liquid phosphite composition. The amine compound may have the structure of formula I: (I) wherein x is 1, 2 or 3; R1 is selected from the group consisting of hydrogen, and straight or branched C1-C6 alkyl, and R2 is selected from the group consisting of straight or branched C1-C30 alkyl.

Phosphite compositions

Solid phosphite compositions comprising tris (4-t-alkyiphenyl) phosphites and selected hydroxyalkyi amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., "gas fading".

Solid alkylaryl phosphite compositions and methods for manufacturing same

Antioxidant compositions

The invention provides a stabilising composition for polymeric materials, comprising: a. a first derivatised phenolic antioxidant; b. at least one secondary arylamine having the formula (I): NHRyRx wherein: the or each R, which may be the same or different, independently denotes an optionally substituted hydrocarbyl group; x and y are each independently from 0 to 5 provided that at least one of x and y is at least 1; and provided that at least one R is an optionally substituted hydrocarbyl group having at least 9 carbon atoms; and c. one or more antioxidant boosters independently selected from: i. a second derivatised phenolic antioxidant having lower steric hindrance than the first derivatised phenolic antioxidant; ii. a hindered amine; iii. an optionally substituted phenothiazine; and also the use of the stabilising composition for stabilising polyol and/or polyurethane; and a stabilised composition comprising a polyol and/or polyurethane and the aforementioned low emission and anti-scorch stabilising composition.

Liquid butylaryl phosphite compositions

A phosphite composition comprising at least two of a tris(dibutylaryl) phosphite, a tris(monobutylaryl) phosphite, a bis(dibutylaryl)monobutylaryl phosphite, and a bis(monobutylaryl)dibutylaryl phosphite. The inventive phosphite composition is a liquid at ambient conditions.

Liquid phosphite blends as stabilizers

A composition is disclosed that comprises a blend of at least two different phosphites of the structure, wherein R1, R2, and R3 are independently selected alkylated aryl groups and wherein said blend is a liquid at ambient conditions. The compositions are useful for stabilizing thermoplastic resins and elastomers.

phosphite composition, phosphite composition prepared by reacting a phosphorus halide with an alkylated phenol composition and stabilized polymeric composition

STABILIZATION OF POLYMERS WITH STRETCHED P-CRESOLS.

Una composición que comprende una mezcla de una especie de p-cresol estirenado que es líquida a temperatura ambiente, tiene una viscosidad de menos de 40.000 cps a 25 ºC, comprende un mínimo de p-cresol 2,6-diestirenado de un 70% ensayado por porcentaje de área de GC, preparada por un procedimiento que comprende hacer reaccionar estireno con p-cresol a una relación molar de 1,85 a 2,1:1, respectivamente, en presencia de un catalizador ácido a temperaturas elevadas, donde dicha mezcla comprende p-cresol monoestirenado, p-cresol diestirenado y p-cresol triestirenado y muestra un número de ácido de menos de 0,1 mg de KOH/gramo. A composition comprising a mixture of a kind of styrene p-cresol that is liquid at room temperature, has a viscosity of less than 40,000 cps at 25 ° C, comprises a minimum of 2,6% diethyrene p-cresol of 70% tested by percentage of GC area, prepared by a process comprising reacting styrene with p-cresol at a molar ratio of 1.85 to 2.1: 1, respectively, in the presence of an acid catalyst at elevated temperatures, wherein said mixture it comprises mono-styrene p-cresol, diestirenate p-cresol and triestirenate p-cresol and shows an acid number of less than 0.1 mg KOH / gram.

Antioxidant compositions

The invention provides a stabilising composition for polymeric materials, comprising: a. a first derivatised phenolic antioxidant; b. at least one secondary arylamine having the formula (I): N H RyRx wherein: the or each R, which may be the same or different, independently denotes an optionally substituted hydrocarbyl group; x and y are each independently from 0 to 5 provided that at least one of x and y is at least 1; and provided that at least one R is an optionally substituted hydrocarbyl group having at least 9 carbon atoms; and c. one or more antioxidant boosters independently selected from: i. a second derivatised phenolic antioxidant having lower steric hindrance than the first derivatised phenolic antioxidant; ii. a hindered amine; iii. an optionally substituted phenothiazine; and also the use of the stabilising composition for stabilising polyol and/or polyurethane; and a stabilised composition comprising a polyol and/or polyurethane and the aforementioned low emission and anti-scorch stabilising composition.

Liquid alkylated trisaryl phosphite compositions having two alkyl groups with different carbon number

A composition comprising a mixture of at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the mixture is a liquid at ambient conditions.

Antioxidant compositions

The invention provides a stabilising composition for polymeric materials, comprising: a. a first derivatised phenolic antioxidant; b. at least one secondary arylamine having the formula (I): N H RyRx wherein: the or each R, which may be the same or different, independently denotes an optionally substituted hydrocarbyl group; x and y are each independently from 0 to 5 provided that at least one of x and y is at least 1; and provided that at least one R is an optionally substituted hydrocarbyl group having at least 9 carbon atoms; and c. one or more antioxidant boosters independently selected from: i. a second derivatised phenolic antioxidant having lower steric hindrance than the first derivatised phenolic antioxidant; ii. a hindered amine; iii. an optionally substituted phenothiazine; and also the use of the stabilising composition for stabilising polyol and/or polyurethane; and a stabilised composition comprising a polyol and/or polyurethane and the aforementioned low emission and anti-scorch stabilising composition.

DUST-FREE MIXTURE, PROCESS TO FORM THE DUST-FREE MIXTURE, USE OF THE DUST-FREE MIXTURE, STABILIZED POLYMER COMPOSITION, AND, ARTICLE

MISTURA SEM POEIRA, PROCESSO PARA FORMAR A MISTURA SEM POEIRA, USO DA MISTURA SEM POEIRA, COMPOSIÇÃO POLIMÉRICA ESTABILIZADA, E, ARTIGO. A presente invenção se refere a uma mistura sem poeira que compreende tris (2-t-butilfenil) fosfito. DUST-FREE MIXTURE, PROCESS TO FORM THE DUST-FREE MIXTURE, USE OF THE DUST-FREE MIXTURE, STABILIZED POLYMER COMPOSITION, AND, ARTICLE. The present invention relates to a dust-free mixture comprising tris(2-t-butylphenyl) phosphite.

Liquid phosphite blends as stabilizers

Composicion estabilizadora.

La invención proporciona una composición estabilizadora para un poliol y/o un poliuretano, que comprende: a) un primer antioxidante fenólico derivatizado que tiene un peso molecular de por lo menos aproximadamente 400 g/mol y un punto de fusión menor que aproximadamente 100°C; b) un segundo antioxidante fenólico derivatizado que tiene un impedimento estérico más bajo que el primer antioxidante fenólico derivatizado, el cual es un sólido en condiciones ambientales; y c) un antioxidante secundario que comprende un fosfito y/o un tioéster, y también se da a conocer una combinación retardante del fuego que comprende la composición estabilizadora y un retardante del fuego.

Stabilisierung von polymeren mit styrolierten p- cresolen

Composition

The present invention provides a stabilising composition, comprising: a. a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I): wherein R 1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; and b. one or more second phenolic antioxidants selected from a di-hydroxybenzene.

Composition

The present invention provides a stabilising composition, comprising: a. a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I): wherein R 1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; and b. one or more second phenolic antioxidants selected from a di-hydroxybenzene.

Design for a jewel-setting

Mezcla sin polvo.

La presente invención se refiere a una combinación no polvorienta que comprende fosfito de tris (2- t-butilfenilo).

Composition

Edge synchronization platform

An edge synchronization platform that facilitates mesh network routing via dynamic routing tables is disclosed. A node in the mesh network obtains a network communication. The node performs a wrapping operation on the network communication to generate a wrapped data packet. The wrapped data packet includes a destination indicator. The node identifies a recipient node for the wrapped data packet using a dynamic routing table. The node then sends the wrapped data packet to the recipient node.

Design for a finger-ring

Combined curtain shade and pole hanger.

Design for a finger-ring

Design for a finger-ring

Design for a finger-ring

Kompozycja

Composition

The present invention provides a stabilising composition, comprising: a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I) wherein R 1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; and b) one or more second phenolic antioxidants independently selected from: a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; a di-hydroxybenzene; and/or a tri-hydroxybenzene.

Design for a n ec ktie-r etai n er

Edge synchronization platform

An edge synchronization platform that facilitates mesh network routing via dynamic routing tables is disclosed. A node in the mesh network obtains a network communication. The node performs a wrapping operation on the network communication to generate a wrapped data packet. The wrapped data packet includes a destination indicator. The node identifies a recipient node for the wrapped data packet using a dynamic routing table. The node then sends the wrapped data packet to the recipient node.

Composición

La presente invención proporciona una composición estabilizadora, que comprende: a) un primer antioxidante fenólico que comprende uno o más compuestos fenólicos que tienen la estructura de fórmula (I) donde R1 es un grupo alquilo lineal o ramificado que tiene de 12 a 20 átomos de carbono; y b) uno o más segundos antioxidantes fenólicos seleccionados independientemente entre: un monohidroxibenceno que tiene un impedimento estérico menor que el primer antioxidante fenólico; un dihidroxibenceno; y/o un trihidroxibenceno. (Traducción automática con Google Translate, sin valor legal)