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    • 9. 发明申请
    • POLYMER COMPOSITIONS CONTAINING OXYGEN SCAVENGING COMPOUNDS
    • 含有氧化合物的聚合物组合物
    • WO1991017044A1
    • 1991-11-14
    • PCT/US1991002982
    • 1991-05-01
    • ZAPATA INDUSTRIES, INC.AQUANAUTICS CORPORATIONTEUMAC, Fred, N.ZENNER, Bruce, D.ROSS, Bert, A.DEARDURFF, Larrie, A.RASSOULI, Mahmood, R.
    • ZAPATA INDUSTRIES, INC.AQUANAUTICS CORPORATION
    • B32B03/02
    • B65D81/266C08K3/24C08K5/0091C08K5/098C09K15/16
    • An oxygen scavenging composition of a carrier, such as a polymer, which is permeable to both oxygen and water or water vapor and an oxygen scavenging compound of an organic compound or salt thereof dispersed relatively uniformly throughout the polymer in an amount effective to act as an oxygen scavenger. The oxygen scavenging compound may be an ascorbate compound or a polycarboxylic or salicylic acid chelate or complex of a transition metal or a salt thereof. The oxygen scavenging composition is activated for scavenging oxygen by contact with water or water vapor which permeates into or through the carrier. A catalyzing agent is included in an amount sufficient to increase the rate of oxygen scavenging by the ascorbate compound, while a reducing agent may be added to enhance the performance of the polycarboxylic or salicylic acid chelate or complex. The oxygen scavenging compound may be added to the composition in a dry state, and is inactive until activated for oxygen scavenging by contact with water or water vapor.
    • 可透过氧气和水或水蒸气的载体如聚合物的氧气清除组合物和有机化合物或其盐的氧清除化合物相对均匀地分散在整个聚合物中,其量有效地用作 除氧剂 除氧化合物可以是抗坏血酸盐化合物或过渡金属或其盐的多羧酸或水杨酸螯合物或络合物。 氧清除组合物通过与渗透到载体中或通过载体的水或水蒸气接触来活化以清除氧。 以足以增加抗坏血酸化合物的氧清除速率的量包含催化剂,同时可以加入还原剂以增强多羧酸或水杨酸螯合物或络合物的性能。 氧清除化合物可以在干燥状态下加入到组合物中,并且通过与水或水蒸汽接触而活化,直到被氧气清除为止。