IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0216730
(2011-08-24)
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등록번호 |
US-8252884
(2012-08-28)
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발명자
/ 주소 |
- Kumar, Vijayendra
- Kumar, Rajesh
- Dhawan, Ashish
- Yang, Sui-Zhou
- Cholli, Ashok L.
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출원인 / 주소 |
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대리인 / 주소 |
Hamilton, Brook, Smith & Reynolds, P.C.
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인용정보 |
피인용 횟수 :
13 인용 특허 :
100 |
초록
▼
Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed composit
Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants.
대표청구항
▼
1. A composition comprising: a) a polyolefin or a mixture of polyolefins;b) an antioxidant selected from the group consisting of: and c) at least one additive selected from the group consisting of: i) a phosphorus stabilizer selected from the group consisting of triphenyl phosphite, diphenyl alkyl
1. A composition comprising: a) a polyolefin or a mixture of polyolefins;b) an antioxidant selected from the group consisting of: and c) at least one additive selected from the group consisting of: i) a phosphorus stabilizer selected from the group consisting of triphenyl phosphite, diphenyl alkyl phosphites, phenyl dialkyl phosphites, tris(nonylphenyl)phosphite, trilauryl phosphite, trioctadecyl phosphite, distearyl pentaerythritol diphosphite, tris(2,4-di-tert-butylphenyl)phosphite, diisodecyl pentaerythritol diphosphite, bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite, bis(2,6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphite, bisisodecyloxy-pentaerythritol diphosphite, bis(2,4-di-tert-butyl-6-methylphenyl)pentaerythritol diphosphite, bis(2,4,6-tri-tert-butylphenyl)pentaerythritol diphosphite, tristearyl sorbitol triphosphite, tetrakis(2,4-di-tert-butylphenyl) 4,4′-biphenylene-diphosphonite, 6-isooctyloxy-2,4,8,10-tetra-tert-butyl-dibenzo[d,f][1,3,2]dioxaphosphepin, 6-fluoro-2,4,8,10-tetra-tert-butyl-12-methyl-dibenzo[d,g][1,3,2]dioxaphosphocin, bis(2,4-di-tert-butyl-6-methylphenyl)methyl phosphite, bis(2,4-di-tert-butyl-6-methylphenyl)ethyl phosphite, (2,4,6-tri-tert-butylphenyl) 2-butyl-2-ethyl-1,3-propanediol phosphate, bis(2,4-di-cumylphenyl)pentaerythritol diphosphite and a compound represented by the following structural formula: ii) at least one acid stabilizer selected from the group consisting of zinc oxide, calcium lactate, natural and synthetic hydrotalcites, natural and synthetic hydrocalumites, and alkali metal salts and alkaline earth metal salts of higher fatty acids, calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate, zinc pyrocatecholate and combinations thereof; andiii) at least one co-stabilizer selected from the group consisting of an antioxidant, a hindered amine stabilizer, an ultraviolet absorber, a metal deactivator, a peroxide scavenger, a hydroxylamine, a nitrone, an amine-N-oxide, a benzafuranone, an indolinone, a polyhydric alcohol, a basic co-stabilizer, a nucleating agent, a clarifier, a filler, a dispersing agent, a plasticizer, a lubricant, an emulsifier, a pigment, a rheology additive, a catalyst, a flow-control agent, an optical brightener, a flame retardant, an antistatic agent, an antimicrobial and blowing agents. 2. The composition of claim 1 wherein the additive is at least one phosphorus stabilizer selected from the group consisting of tris(2,4-di-tert-butylphenyl)phosphite, bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, tetrakis(2,4-di-tert-butylphenyl)-4,4′-biphenylene-diphosphonite, (2,4,6-tri-tert-butylphenyl) 2-butyl-2-ethyl-1,3-propanediol phosphate and bis(2,4-di-cumylphenyl)pentaerythritol diphosphite. 3. The composition of claim 2 wherein the antioxidant is in a concentration range from 0.0001% to 10% and the phosphorus stabilizer is in a concentration range 0.01% to 5%. 4. The composition of claim 2, wherein the additive further includes at least one co-stabilizer selected from the group consisting of a hindered amine stabilizer, an ultraviolet absorber, a metal deactivator, a peroxide scavenger and a hydroxylamine. 5. The composition of claim 1 wherein the additive is at least one acid stabilizer selected from the group consisting of zinc oxide, and alkali metal salts and alkaline earth metal salts of higher fatty acids, calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate and zinc pyrocatecholate. 6. The composition of claim 5 wherein the antioxidant is in a concentration range from 0.0001% to 10% and the acid stabilizer is in a concentration range 0.005% to 5%. 7. The composition of claim 5, wherein the additive further includes at least one co-stabilizer selected from the group consisting of a hindered amine stabilizer, an ultraviolet absorber, a metal deactivator, a peroxide scavenger and a hydroxylamine. 8. The composition of claim 1 wherein the additive is at least one phosphorus stabilizer selected from the group consisting of tris(2,4-di-tert-butylphenyl)phosphite, bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, tetrakis(2,4-di-tert-butylphenyl)-4,4′-biphenylene-diphosphonite, (2,4,6-tri-tert-butylphenyl) 2-butyl-2-ethyl-1,3-propanediol phosphate and bis(2,4-di-cumylphenyl)pentaerythritol diphosphite and an acid stabilizer selected from the group consisting of at least one acid stabilizer selected from the group consisting of zinc oxide, calcium lactate, natural and synthetic hydrotalcites, natural and synthetic hydrocalumites, and alkali metal salts and alkaline earth metal salts of higher fatty acids, calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate and zinc pyrocatecholate. 9. The composition of claim 7, wherein the additive further includes at least one co-stabilizer selected from the group consisting of a hindered amine stabilizer, an ultraviolet absorber, a metal deactivator, a peroxide scavenger and a hydroxylamine. 10. The composition of claim 1, wherein the polyolefin is at least one member selected from the group consisting of polypropylene, polyisobutylene, polybut-1-ene, poly-4-methylpent-1-ene, polyisoprene, polybutadiene, cyclopentene, norbornene, polyethylene, high density polyethylene (HDPE), high density and high molecular weight polyethylene (HDPE-HMW), high density and ultrahigh molecular weight polyethylene (HDPE-UHMW), medium density polyethylene (MDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), very low density polypropylene VLDPE), ultra low density polypropylene (ULDPE), mixtures of polypropylene with polyisobutylene, mixtures of polypropylene with polyethylene, ethylene/propylene copolymers, linear low density polyethylene (LLDPE) and mixtures of linear low density polyethylene with low density polyethylene (LDPE), propylene/but-1-ene copolymers, propylene/isobutylene copolymers, ethylene/but-1-ene copolymers, ethylene/hexene copolymers, ethylene/methylpentene copolymers, ethylene/heptene copolymers, ethylene/octene copolymers, propylene/butadiene copolymers, isobutylene/isoprene copolymers, ethylene/alkyl acrylate copolymers, ethylene/alkyl methacrylate copolymers, ethylene/vinyl acetate copolymers, polypropylene/ethylene-propylene copolymers, LDPE/ethylene-vinyl acetate copolymers (EVA), LDPE/ethylene-acrylic acid copolymers (EAA), LLDPE/EVA, LLDPE/EAA, ethylene-propylene-diene monomer copolymers (EPDM), copolymers of ethylene with higher alpha-olefins, polybutadiene, polyisoprene, styrene-butadiene copolymers, hydrogenated styrene-butadiene copolymers, styrene-isoprene copolymers, hydrogenated styrene-isoprene copolymers. 11. The composition of claim 1, wherein the antioxidant is: 12. The composition of claim 1, wherein the antioxidant is: 13. A method of preventing oxidation in a polyolefin or a mixture of polyolefins comprising combining the polyolefin or mixture of polyolefins with: a) an antioxidant represented by the following structural formula: and b) at least one additive selected from the group consisting of: i) at least one phosphorus stabilizer selected from the group consisting of triphenyl phosphite, diphenyl alkyl phosphites, phenyl dialkyl phosphites, tris(nonylphenyl)phosphite, trilauryl phosphite, trioctadecyl phosphite, distearyl pentaerythritol diphosphite, tris(2,4-di-tert-butylphenyl)phosphite, diisodecyl pentaerythritol diphosphite, bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphosphite, bisisodecyloxy-pentaerythritol diphosphite, bis(2,4-di-tert-butyl-6-methylphenyl)pentaerythritol diphosphite, bis(2,4,6-tri-tert-butylphenyl)pentaerythritol diphosphite, tristearyl sorbitol triphosphite, tetrakis(2,4-di-tert-butylphenyl) 4,4′-biphenylene-diphosphonite, 6-isooctyloxy-2,4,8,10-tetra-tert-butyl-dibenzo [d,f][1,3,2]dioxaphosphepin, 6-fluoro-2,4,8,10-tetra-tert-butyl-12-methyl-dibenzo[d,g][1,3,2]dioxaphosphocin, bis(2,4-di-tert-butyl-6-methylphenyl)methyl phosphite, bis(2,4-di-tert-butyl-6-methylphenyl)ethyl phosphite (2,4,6-tri-tert-butylphenyl) 2-butyl-2-ethyl-1,3-propanediol phosphate, bis(2,4-di-cumylphenyl)pentaerythritol diphosphite and a compound represented by the following structural formula: ii) at least one acid stabilizer selected from the group consisting of zinc oxide, calcium lactate, natural and synthetic hydrotalcites, natural and synthetic hydrocalumites, and alkali metal salts and alkaline earth metal salts of higher fatty acids, calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate, zinc pyrocatecholate and combinations thereof; andiii) at least one co-stabilizer selected from the group consisting of an antioxidant, a hindered amine stabilizer, an ultraviolet absorber, a metal deactivator, a peroxide scavenger, a hydroxylamine, a nitrone, an amine-N-oxide, a benzafuranone, an indolinone, a polyhydric alcohol, a basic co-stabilizer, a nucleating agent, a clarifier, a filler, a dispersing agent, a plasticizer, a lubricant, an emulsifier, a pigment, a rheology additive, a catalyst, a flow-control agent, an optical brightener, a flame retardant, an antistatic agent, an antimicrobial and blowing agents. 14. The method of claim 13 wherein the additive is at least one phosphorus stabilizer selected from the group consisting of tris(2,4-di-tert-butylphenyl)phosphite, bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, tetrakis(2,4-di-tert-butylphenyl)-4,4′-biphenylene-diphosphonite, (2,4,6-tri-tert-butylphenyl) 2-butyl-2-ethyl-1,3-propanediol phosphate and bis(2,4-di-cumylphenyl)pentaerythritol diphosphite. 15. The method of claim 14 wherein the antioxidant is in a concentration range from 0.0001% to 10% and the phosphorus stabilizer is in a concentration range 0.01% to 5%. 16. The method of claim 14, wherein the additive further includes at least one co-stabilizer selected from the group consisting of a hindered amine stabilizer, an ultraviolet absorber, a metal deactivator, a peroxide scavenger and a hydroxylamine. 17. The method of claim 13 wherein the additive is at least one acid stabilizer selected from the group consisting zinc oxide, and alkali metal salts and alkaline earth metal salts of higher fatty acids, calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate and zinc pyrocatecholate. 18. The method of claim 17 wherein the antioxidant is in a concentration range from 0.0001% to 10% and the acid stabilizer is in a concentration range 0.005% to 5%. 19. The method of claim 17, wherein the additive further includes at least one co-stabilizer selected from the group consisting of a hindered amine stabilizer, an ultraviolet absorber, a metal deactivator, a peroxide scavenger and a hydroxylamine. 20. The method of claim 13 wherein the additive is at least one phosphorus stabilizer selected from the group consisting of tris(2,4-di-tert-butylphenyl)phosphite, bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, tetrakis(2,4-di-tert-butylphenyl)-4,4′-biphenylene-diphosphonite, (2,4,6-tri-tert-butylphenyl) 2-butyl-2-ethyl-1,3-propanediol phosphate and bis(2,4-di-cumylphenyl)pentaerythritol diphosphite and an acid stabilizer selected from the group consisting of at least one acid stabilizer selected from the group consisting of zinc oxide, calcium lactate, natural and synthetic hydrotalcites, natural and synthetic hydrocalumites, and alkali metal salts and alkaline earth metal salts of higher fatty acids, calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate and zinc pyrocatecholate. 21. The method of claim 20, wherein the additive further includes at least one co-stabilizer selected from the group consisting of a hindered amine stabilizer, an ultraviolet absorber, a metal deactivator, a peroxide scavenger and a hydroxylamine. 22. The method of claim 13, wherein the polyolefin is at least one member selected from the group consisting of polypropylene, polyisobutylene, polybut-1-ene, poly-4-methylpent-1-ene, polyisoprene, polybutadiene, cyclopentene, norbornene, polyethylene, high density polyethylene (HDPE), high density and high molecular weight polyethylene (HDPE-HMW), high density and ultrahigh molecular weight polyethylene (HDPE-UHMW), medium density polyethylene (MDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), very low density polypropylene (VLDPE) ultra low density polypropylene, (ULDPE), mixtures of polypropylene with polyisobutylene, mixtures of polypropylene with polyethylene, ethylene/propylene copolymers, linear low density polyethylene (LLDPE) and mixtures of linear low density polyethylene with low density polyethylene (LDPE), propylene/but-1-ene copolymers, propylene/isobutylene copolymers, ethylene/but-1-ene copolymers, ethylene/hexene copolymers, ethylene/methylpentene copolymers, ethylene/heptene copolymers, ethylene/octene copolymers, propylene/butadiene copolymers, isobutylene/isoprene copolymers, ethylene/alkyl acrylate copolymers, ethylene/alkyl methacrylate copolymers, ethylene/vinyl acetate copolymers, polypropylene/ethylene-propylene copolymers, LDPE/ethylene-vinyl acetate copolymers (EVA), LDPE/ethylene-acrylic acid copolymers (EAA), LLDPE/EVA, LLDPE/EAA, ethylene-propylene-diene monomer copolymers (EPDM), copolymers of ethylene with higher alpha-olefins, polybutadiene, polyisoprene, styrene-butadiene copolymers, hydrogenated styrene-butadiene copolymers, styrene-isoprene copolymers, hydrogenated styrene-isoprene copolymers. 23. The method of claim 13, wherein the antioxidant is: 24. The method of claim 13, wherein the antioxidant is:
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