Stabilization of synthetic polymers
    1.
    发明授权
    Stabilization of synthetic polymers 有权
    合成聚合物的稳定化

    公开(公告)号:US06881774B2

    公开(公告)日:2005-04-19

    申请号:US10237313

    申请日:2002-09-09

    CPC分类号: C08K5/1535 C08K5/005

    摘要: Synthetic polymers which possess outstanding stability to oxidative, thermal or light-induced degradation comprise as stabilizer at least a compound of the formula I wherein R1 and R2 are each independently of one another hydrogen or C1-C8alkyl, R3 and R4 are each independently of one another C1-C12alkyl, and R5 is C1-C7alkyl.

    摘要翻译: 具有优异的氧化,热或光诱导降解稳定性的合成聚合物包含至少一种式I化合物作为稳定剂,其中R 1和R 2各自独立地为 另一个氢或C 1 -C 8烷基,R 3和R 4各自彼此独立地是 C 1 -C 12烷基,R 5是C 1 -C 7烷基,R 5是C 1 -C 12烷基,R 5是C 1 -C 6烷基,R 5是C 1 -C 12烷基。 >烷基。

    Stabilization of polyether polyols, polyester polyols and polyurethanes
    4.
    发明申请
    Stabilization of polyether polyols, polyester polyols and polyurethanes 审中-公开
    聚醚多元醇,聚酯多元醇和聚氨酯的稳定化

    公开(公告)号:US20070185250A1

    公开(公告)日:2007-08-09

    申请号:US10580444

    申请日:2004-11-24

    IPC分类号: C07C69/76

    摘要: Polyether polyols, polyester polyols or polyurethanes which possess outstanding stability to oxidative, thermal or light-induced degradation and which possess a reduced fogging contribution of the polymers comprise at least a liquid compound of the formula (I) wherein R1 is C1-C4alkyl, R2 is a branched C12-C25alkyl, and X is C1-C8alkylene or C1-C4alkyl substituted C2-C8alkylene.

    摘要翻译: 具有优异的氧化,热或光诱导降解稳定性并且聚合物具有降低雾化贡献的聚醚多元醇,聚酯多元醇或聚氨酯至少包含式(I)的液体化合物,其中R 1, R 2是C 1 -C 4烷基,R 2是支链C 12 -C 12烷基, 25个烷基,X是C 1 -C 8亚烷基或C 1 -C 4烷基, 烷基取代的C 2 -C 8亚烷基。

    POLYETHER POLYOLS, POLYESTER POLYOLS AND POLYURETHANES OF LOW RESIDUAL ALDEHYDE CONTENT
    5.
    发明申请
    POLYETHER POLYOLS, POLYESTER POLYOLS AND POLYURETHANES OF LOW RESIDUAL ALDEHYDE CONTENT 审中-公开
    聚醚多元醇,聚酯多元醇和低残留含量的聚氨酯

    公开(公告)号:US20110054220A1

    公开(公告)日:2011-03-03

    申请号:US12939233

    申请日:2010-11-04

    IPC分类号: C07C41/46

    摘要: The present invention describes a process for preventing the formation of aldehydic contaminants in polyether polyols, polyester polyols or polyurethanes which comprises incorporating into said polyether polyols, polyester polyols or polyurethanes an effective amount of a) a phenolic antioxidant and b) one or more compounds selected from (i) aminic antioxidants, (ii) benzofuran-2-ones, (iii) phosphites or phosphonites and (iv) mixtures thereof.

    摘要翻译: 本发明描述了防止在聚醚多元醇,聚酯多元醇或聚氨酯中形成醛类污染物的方法,其包括将有效量的a)酚类抗氧化剂并入所述聚醚多元醇,聚酯多元醇或聚氨酯中,和b)选择一种或多种化合物 (i)胺抗氧化剂,(ii)苯并呋喃-2-酮,(iii)亚磷酸酯或亚膦酸酯和(iv)其混合物。