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    • 2. 发明授权
    • Stabilization of polyolefins with liquid tris-(mono-alkyl)phenyl phosphites
    • 用液体三(单烷基)苯基亚磷酸酯稳定聚烯烃
    • US07468410B2
    • 2008-12-23
    • US11487839
    • 2006-07-17
    • Laura F. ChafinWalid Al-AkhdarSai Ping ShumStanley J. PadegimasRoswell Easton King
    • Laura F. ChafinWalid Al-AkhdarSai Ping ShumStanley J. PadegimasRoswell Easton King
    • C08K5/524
    • C07F9/145C08K5/526C08K2201/014C08L23/02
    • The present invention discloses a process for stabilizing polyolefin compositions against the deleterious effects of melt processing, heat aging and exposure to combustion products of natural gas, which process comprises incorporating or applying to a polyolefin an effective stabilizing amount of a tris-(mono-alkyl)phenyl phosphite ester of the formula I, or a mixture of phosphite esters of formula I, where each R is the same or different and is straight or branched chain alkyl of from 1 to 8 carbon atoms, and where said phosphite ester or phosphite ester mixture is in the liquid state at 25° C. and 1 atm of pressure. Also disclosed is a stabilized composition comprising polyolefin and a present phosphite ester or phosphite ester mixture as well as certain mixtures of tris-(mono-alkyl)phenyl phosphite. The present liquid phosphite ester stabilizers are especially compatible with low density polyethylene.
    • 本发明公开了一种用于稳定聚烯烃组合物以抵抗熔体加工,热老化和暴露于天然气燃烧产物的有害影响的方法,该方法包括将有效稳定量的三 - (单烷基) )式I的亚磷酸苯酯或式I的亚磷酸酯的混合物,其中每个R相同或不同,是具有1至8个碳原子的直链或支链烷基,并且其中所述亚磷酸酯或亚磷酸酯 混合物在25℃和1atm的压力下处于液态。 还公开了包含聚烯烃和本发明的亚磷酸酯或亚磷酸酯混合物以及三(单烷基)苯基亚磷酸酯的某些混合物的稳定化组合物。 本发明的液体亚磷酸酯稳定剂与低密度聚乙烯特别相容。
    • 4. 发明授权
    • Flame retardant compositions
    • 阻燃组合物
    • US07084196B2
    • 2006-08-01
    • US10471947
    • 2002-03-12
    • Malisa V. TroutmanRamanathan RavichandranRangarajan SrinivsanRoswell Easton KingDouglas Wayn Horsey
    • Malisa V. TroutmanRamanathan RavichandranRangarajan SrinivsanRoswell Easton KingDouglas Wayn Horsey
    • C08K5/3415C08K5/3432
    • C08K5/0066C08K5/3435
    • Polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation therein of a synergistic mixture of (i.) at least one compound selected from the group consisting of nitroxyl stabilizers, hydroxylamine stabilizers, nitrone stabilizers, substituted hydroxylamine stabilizers, amine oxide stabilizers, benzofuranone stabilizers phosphite and phosphonite stabilizers, quinone methide stabilizers and monoacrylate esters of 2,2′-alkylidenebisphenol stabilizers and (ii.) at least one compound selected from the group consisting of brominated flame retardants, phosphorus containing flame retardants and inorganic flame retardants such as ammonium polyphosphate or decabromodiphenyl oxide; wherein the amount of organic or inorganic flame retardant of component (ii.) required to achieve an acceptable level of flame retardancy is significantly reduced compared to that needed when component (i.) is not present.
    • 聚合物基材,例如聚烯烃如聚丙烯,可以通过在其中加入协同混合物(即,选自硝酰基稳定剂,羟胺稳定剂,硝酮稳定剂,取代的羟胺稳定剂, ,氧化胺稳定剂,苯并呋喃酮稳定剂亚磷酸酯和亚膦酸酯稳定剂,醌甲基稳定剂和2,2'-亚烷基双酚稳定剂的单丙烯酸酯,和(ii)至少一种选自溴化阻燃剂,含磷阻燃剂和 无机阻燃剂如聚磷酸铵或十溴二苯醚; 其中与不存在组分(i)时所需的量相比,实现可接受水平的阻燃性所需的组分(ii。)的有机或无机阻燃剂的量显着降低。
    • 6. 发明授权
    • Flame retardant compositions
    • 阻燃组合物
    • US07470734B2
    • 2008-12-30
    • US11296686
    • 2005-12-07
    • Malisa V. TroutmanRamanathan RavichandranRangarajan SrinivsanRoswell Easton KingDouglas Wayne Horsey
    • Malisa V. TroutmanRamanathan RavichandranRangarajan SrinivsanRoswell Easton KingDouglas Wayne Horsey
    • C08K5/3415C08K5/3432
    • C08K5/0066C08K5/3435
    • Polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation therein of a synergistic mixture of (i.) at least one compound selected from the group consisting of nitroxyl stabilizers, hydroxylamine stabilizers, nitrone stabilizers, substituted hydroxylamine stabilizers, amine oxide stabilizers, benzofuranone stabilizers, phosphite and phosphonite stabilizers, quinone methide stabilizers and monoacrylate esters of 2,2′-alkylidenebisphenol stabilizers and (ii.) at least one compound selected from the group consisting of brominated flame retardants, phosphorus containing flame retardants and inorganic flame retardants such as ammonium polyphosphate or decabromodiphenyl oxide; wherein the amount of organic or inorganic flame retardant of component (ii.) required to achieve an acceptable level of flame retardancy is significantly reduced compared to that needed when component (i.) is not present.
    • 聚合物基材,例如聚烯烃如聚丙烯,可以通过在其中加入协同混合物(即,选自硝酰基稳定剂,羟胺稳定剂,硝酮稳定剂,取代的羟胺稳定剂, ,氧化胺稳定剂,苯并呋喃酮稳定剂,亚磷酸酯和亚膦酸酯稳定剂,醌甲基稳定剂和2,2'-亚烷基双酚稳定剂的单丙烯酸酯,和(ii)至少一种选自溴化阻燃剂,含磷阻燃剂的化合物 和无机阻燃剂如聚磷酸铵或十溴二苯醚; 其中与不存在组分(i)时所需的量相比,实现可接受水平的阻燃性所需的组分(ii。)的有机或无机阻燃剂的量显着降低。