POLYOXYMETHYLENE FÜR DIESELANWENDUNGEN
    1.
    发明公开
    POLYOXYMETHYLENE FÜR DIESELANWENDUNGEN 有权
    聚甲醛用于柴油机应用

    公开(公告)号:EP2396369A1

    公开(公告)日:2011-12-21

    申请号:EP10702504.1

    申请日:2010-02-08

    申请人: BASF SE

    IPC分类号: C08K5/3445 C08L59/00

    摘要: The invention relates to thermoplastic molding compounds containing A) 10 to 99.99 wt % of a polyoxymethylene homopolymer or copolymer, B) 0.01 to 5 wt % of an imidazole of the general formula (I), wherein the groups R
    1 to R
    4 have the following meaning independently of each other: R
    1 is an alkyl group having 1 to 5 C atoms, R
    2 to R
    4 are hydrogen, an alkyl group having 1 to 5 C atoms, C) 0 to 5 wt % of an alkaline-earth oxide, D) 0 to 80 wt % of further additives, wherein the total of the weight percentages of the components A) to D) is 100%.

    BESCHICHTETE POLYOXYMETHYLENE
    2.
    发明公开

    公开(公告)号:EP2240537A1

    公开(公告)日:2010-10-20

    申请号:EP09708400.8

    申请日:2009-02-05

    申请人: BASF SE

    IPC分类号: C08J3/20

    摘要: The invention relates to polyoxymethylene moulded bodies containing at least one polyoxymethylene homopolymer or copolymer A) and optionally other additives B), the surface of said polymer being coated with at least one binding agent C) and a formaldehyde scavenger D). The invention is characterised in that a polyalkylene oxide C1 or a polyvinyl ester C2 or a graft polymer C3 consisting of C1 and C2 or mixtures thereof is used as the binding agent C) and at least one imidazolidine-2-one compound is used as the formaldehyde scavenger D).

    摘要翻译: 本发明涉及含有至少一种聚甲醛均聚物或共聚物A)和任选的其它添加剂B)的聚甲醛模塑体,所述聚合物的表面涂覆有至少一种粘合剂C)和甲醛清除剂D)。 本发明的特征在于使用聚环氧烷C1或聚乙烯酯C2或由C1和C2组成的接枝聚合物C3或其混合物作为粘合剂C),并且使用至少一种咪唑烷-2-酮化合物作为 甲醛清除剂D)。

    VERFAHREN ZUR HERSTELLUNG VON POLYOXYMETHYLEN

    公开(公告)号:EP3004191A1

    公开(公告)日:2016-04-13

    申请号:EP14727186.0

    申请日:2014-05-26

    申请人: BASF SE

    IPC分类号: C08G2/00 C08G2/10 C07C47/00

    摘要: The invention relates to a method for producing polyoxymethylene by polymerizing a reaction mixture (R
    G ), which contains at least one formaldehyde source and at least one initiator mixture (I
    G ), wherein the initiator mixture (I
    G ) contains at least one polymerization initiator and at least one solvent of general formula (I), R
    1 – O –[- R
    3 – O -]
    m – R
    2 (I), in which m is 1, 2, 3, or 4; R
    1 and R
    2 are C
    3 to C
    6 alkyl, independently of each other; R
    3 is C
    1 to C
    5 alkylene.

    摘要翻译: 该专利申请涉及通过包含至少一种甲醛源和至少一种引发剂混合物(IG)的反应混合物(RG)的聚合制备聚甲醛的方法,其中引发剂混合物(IG)包含至少一种聚合引发剂和 至少一种通式(I)R 1 -O - [ - R 3 -O-] m -R 2(I)的溶剂,其中m为1,2,3或4; R 1和R 2各自独立地为C 3 -C 6 - 烷基; R3是C1-C5-亚烷基。