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    METHOD FOR PROCESSING PARTICULATE RAW POLYOXYMETHYLENE
    2.
    发明申请
    METHOD FOR PROCESSING PARTICULATE RAW POLYOXYMETHYLENE 审中-公开
    一种用于处理颗粒ROHPOLYOXYMETHYLEN

    公开(公告)号：WO2013020830A3

    公开(公告)日：2013-05-30

    申请号：PCT/EP2012064767

    申请日：2012-07-27

    Applicant: BASF SE ,  DEININGER JUERGEN ,  DEMETER JUERGEN ,  HAEFFNER RUEDIGER ,  SCHULZ RALF ,  STAMMER ACHIM

    Inventor： DEININGER JUERGEN ,  DEMETER JUERGEN ,  HAEFFNER RUEDIGER ,  SCHULZ RALF ,  STAMMER ACHIM

    IPC: C08G2/18 ,  C08G2/00 ,  C08G2/38 ,  C08L59/00

    CPC classification number: C08G2/00 ,  C08G2/18 ,  C08G2/38 ,  C08L59/00

    Abstract: The invention relates to a method for processing particulate raw polyoxymethylene, comprising the following steps: (a) adding the particulate raw polyoxymethylene to an extraction column (13), wherein the extraction column (13) is operated at a pressure in the range from 1 to 6 bar; (b) adding a polar extracting agent to the extraction column (13) at a temperature in the range from 95 to 140 °C and a pressure in the range from 1 to 6 bar, wherein 10 to 1000 ppm, in relation to the added quantity of polar extracting agent, of a buffer substance that buffers in the pH range from 7.5 to 11.5 is added to the extraction column.

    Abstract translation: 本发明涉及一种用于颗粒状Rohpolyoxymethylen的处理的方法，包括以下步骤：（a）将颗粒状Rohpolyoxymehtylens在萃取塔（13），其中，所述萃取柱（13）以在1的范围内的压力下操作至6巴，（ b）加入一种极性萃取剂（以在95至140℃的温度下萃取柱13）和在该范围内的压力为1〜6巴，其中（在萃取塔13）10至1000ppm，基于提供给 极性萃取剂的量，其缓冲在pH范围为7.5至11.5的缓冲剂，加入。

    Polioximetileno para aplicaciones de diésel
    4.
    发明专利
    Polioximetileno para aplicaciones de diésel 未知

    公开(公告)号：ES2436628T3

    公开(公告)日：2014-01-03

    申请号：ES10702504

    申请日：2010-02-08

    Applicant: BASF SE

    Inventor： SHARAVANAN KARTHIKEYAN ,  DEMETER JUERGEN

    IPC: C08K5/3445 ,  C08L59/00

    Abstract: Compuestos de moldeo termoplásticos, que contienen A) del 10 al 99,98 % en peso de un homopolímero o copolímero de polioximetileno, B) del 0,01 al 5 % en peso de un imidazol de fórmula general**Fórmula** en la que los restos R1 a R4 tienen independientemente entre sí el siguiente significado: R1 un resto alquilo con 1 a 5 átomos de C, R2 a R4 hidrógeno, un resto alquilo con 1 a 5 átomos de C, C) del 0,01 al 5 % en peso de un óxido alcalinotérreo, D) del 0 al 80 % en peso de aditivos adicionales, dando como resultado la suma de los porcentajes en peso de los componentes A) a D) el 100 %.

    6.
    发明专利
    未知

    公开(公告)号：AT555151T

    公开(公告)日：2012-05-15

    申请号：AT09708400

    申请日：2009-02-05

    Applicant: BASF SE

    Inventor： SHARAVANAN KARTHIKEYAN ,  ASSMANN JENS ,  HERRERA TABOADA LIDCAY ,  ANDERLIK RAINER ,  WELLER LOTHAR ,  PRINZ MICHAEL ,  DEMETER JUERGEN

    IPC: C08J3/20 ,  C08J7/04

    Abstract: The present invention relates to coated polyoxymethylene moldings comprising at least one polyoxymethylene homo- or copolymer A), and also, if appropriate, further additives B), which has been coated on the surface with at least one binder C) and one formaldehyde scavenger D), wherein the binder C) used comprises a polyalkylene oxide C1 or a polyvinyl ester C2 or a graft polymer C3 composed of C1 and C2 or a mixture of these, and the formaldehyde scavenger D) used comprises at least one imidazolidin-2-one compound.

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