PROCESS FOR PREPARING POLYOXYMETHYLENE
    3.
    发明申请
    PROCESS FOR PREPARING POLYOXYMETHYLENE 有权
    制备聚氧乙烯的方法

    公开(公告)号:US20160115270A1

    公开(公告)日:2016-04-28

    申请号:US14894158

    申请日:2014-05-26

    Applicant: BASF SE

    Abstract: The patent application relates to a process for preparing polyoxymethylene by polymerization of a reaction mixture (RG) which comprises at least one formaldehyde source and at least one initiator mixture (IG), wherein the initiator mixture (IG) comprises at least one polymerization initiator and at least one solvent of the general formula (I) R1—O—[—R3—O—]m—R2  (I), where m is 1, 2, 3 or 4; R1 and R2 are each, independently of one another, C3-C6-alkyl; R3 is C1-C5-alkylene.

    Abstract translation: 该专利申请涉及通过聚合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)来制备聚甲醛的方法,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。

    POLYMERS AS SUPPORT MATERIAL FOR USE IN FUSED FILAMENT FABRICATION
    8.
    发明申请
    POLYMERS AS SUPPORT MATERIAL FOR USE IN FUSED FILAMENT FABRICATION 有权
    聚合物作为支撑材料用于熔融纤维制造

    公开(公告)号:US20170057176A1

    公开(公告)日:2017-03-02

    申请号:US15120051

    申请日:2015-02-17

    Applicant: BASF SE

    Abstract: The present invention relates to the use of a polymer comprising polymerized units (A) and (B): (A) at least one first monomer of the formula (I) where n is 3 to 12; m is 0 to 3; R1 is C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R2, R3 and R4 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; and (B) at least one second monomer of the formula (II) where R5, R6 and R7 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R8 is C1-C20-alkyl, C2-C10alkenyl, aryl or aralkyl; as a support material in a fused filament fabrication process.

    Abstract translation: 本发明涉及包含聚合单元(A)和(B)的聚合物的用途:(A)至少一种式(I)的第一单体,其中n为3至12; m为0〜3; R 1是C 1 -C 10 - 烷基,C 2 -C 10 - 烯基,芳基或芳烷基; R 2,R 3和R 4各自独立地为氢,C 1 -C 10 - 烷基,C 2 -C 10 - 烯基,芳基或芳烷基; 和(B)式(II)的至少一种第二单体,其中R 5,R 6和R 7彼此独立地为氢,C 1 -C 10 - 烷基,C 2 -C 10 - 烯基,芳基或芳烷基; R8是C1-C20烷基,C2-C10-烯基,芳基或芳烷基; 作为熔丝制造工艺中的支撑材料。

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