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    • 8. 发明授权
    • Method to decrease aldehyde content in polyolefin products
    • 降低聚烯烃产品中醛含量的方法
    • US06632874B2
    • 2003-10-14
    • US09846648
    • 2001-05-01
    • Mark RuleYu ShiLinda Hsiaohua LiuJohn V. Standish
    • Mark RuleYu ShiLinda Hsiaohua LiuJohn V. Standish
    • B29D2200
    • C08F6/006C08K5/00C08L23/06C08L23/10Y10T428/1352C08L23/02
    • Methods are provided for decreasing aldehyde content in polyolefin materials comprising combining with the polyolefin material an organic additive compound which reacts with aldehydes to form water and a resulting organic compound. The organic additive compound comprises at least two hydrogen-substituted heteroatoms bonded to carbons of the organic additive compound such that the organic additive compound is reactive with aldehydes present in the polyolefin to form water and the resulting organic compound, which comprises an unbridged five- or six-member ring including the at least two heteroatoms. The resulting organic compound advantageously neither imparts an off-taste to food and beverage products in contact with the polyolefin nor discolors the polyolefin. Preferred polyolefins include polypropylene and polyethylene.
    • 提供了用于降低聚烯烃材料中醛含量的方法,包括与聚烯烃材料结合的有机添加剂化合物与醛反应形成水和所得的有机化合物。 有机添加剂化合物包含至少两个与有机添加剂化合物的碳结合的氢取代的杂原子,使得有机添加剂化合物与存在于聚烯烃中的醛反应形成水,所得的有机化合物包含未桥连的五元或 六元环,包括至少两个杂原子。 所得到的有机化合物有利地既不会对与聚烯烃接触的食品和饮料产品产生异味,也不会使聚烯烃变色。 优选的聚烯烃包括聚丙烯和聚乙烯