METHOD FOR CONTINUOUSLY PRODUCING POLYAMIDE OLIGOMERS AND PRODUCING SEMICRYSTALLINE OR AMORPHOUS POLYAMIDES THAT CAN BE THERMOPLASTICALLY PROCESSED
    11.
    发明申请
    METHOD FOR CONTINUOUSLY PRODUCING POLYAMIDE OLIGOMERS AND PRODUCING SEMICRYSTALLINE OR AMORPHOUS POLYAMIDES THAT CAN BE THERMOPLASTICALLY PROCESSED 审中-公开
    连续生产聚酰胺低聚物的方法和生产可被热塑性加工的半结晶或无定形聚酰胺

    公开(公告)号:US20160130397A1

    公开(公告)日:2016-05-12

    申请号:US14896780

    申请日:2014-06-11

    Applicant: BASF SE

    Abstract: The invention relates to a process for continuously preparing polyamide oligomers. This comprises continuous conveying of an aqueous solution of polyamide-forming monomers from a reservoir vessel into an oligomerization reactor, heating of the aqueous solution beyond a dissolution or storage temperature, the residence time of the monomer solution in the oligomerization reactor being limited and the pressure or the partial vapor pressure of the water being adjusted such that a conversion of monomers to polyamide oligomers does not exceed a maximum value and/or the polyamide oligomers formed do not phase-separate or spontaneously crystallize in solid form, and continuous discharge of the polyamide oligomers from the oligomerization reactor. A polyamide oligomer preparable by this process can be provided continuously in a mixture with water in a process for preparing a semicrystalline or amorphous, thermoplastically processible polyamide and then postcondensed to give a polyamide. This polyamide can be used for production of moldings by means of injection molding, multicomponent injection molding, injection molding/welding, extrusion, coextrusion, blow molding or thermoforming.

    Abstract translation: 本发明涉及连续制备聚酰胺低聚物的方法。 这包括将聚酰胺形成单体的水溶液从储存容器连续输送到低聚反应器中,将水溶液加热超过溶解或储存温度,单体溶液在低聚反应器中的停留时间受限制,压力 或调节水的部分蒸气压使得单体向聚酰胺低聚物的转化率不超过最大值,和/或形成的聚酰胺低聚物不以固体形式相分离或自发结晶,并且连续排出聚酰胺 低聚反应器的低聚物。 通过该方法制备的聚酰胺低聚物可以在制备半结晶或无定形,热塑性可加工聚酰胺的方法中与水的混合物连续提供,然后进行缩合以得到聚酰胺。 该聚酰胺可用于通过注射成型,多组分注射成型,注射成型/焊接,挤出,共挤出,吹塑或热成型来生产模制品。

    Device for synthesizing a polymer with reduced formation of deposits in the reaction chamber

    公开(公告)号:US09914805B2

    公开(公告)日:2018-03-13

    申请号:US14897020

    申请日:2014-06-11

    Applicant: BASF SE

    Abstract: The invention relates to a device for synthesizing a polymer accompanied by separating a gaseous substance. Said device comprises: a reactor chamber (1) having a substantially circular cylinder-shaped upper section (11), which is delimited by two circular surfaces (111, 112) and a circumferential surface (113) and has a longitudinal cylinder axis, and a lower section (12), the upper section (11) and the lower section (12) being connected to one another via the first circular surface (111); an inlet opening (2); a first outlet opening (3), which is arranged in a wall of the lower section (12); a second outlet opening (4), which is arranged in the second circular surface (112) or in the circumferential surface (113) between the inlet opening (2) and the second circular surface (112); and a removal device (51), which is arranged so as to be movable along the longitudinal cylinder axis at least between the second circular surface (112) and the inlet opening (2), and contacts the circumferential surface (113). The invention further relates to a method comprising: feeding an oligomer melt (7) into a circular cylinder-shaped first section (11) of a reaction chamber (1) through an inlet opening (2) tangentially to a circumferential surface (113) of the first section (11); polymerizing the oligomer melt (7) to form a polymer melt (8); removing the polymer melt (8) from the reaction chamber (1) through a first outlet opening (3) of the reaction chamber (1); and removing a gaseous substance (9) from the reaction chamber (1) through a second outlet opening (4) of the reaction chamber (1) above the inlet opening (2). Deposits on at least one inner wall of the first section (11) of the reaction chamber (1) above the inlet opening (2) are removed by a removal device (51).

    DEVICE AND METHOD FOR SYNTHESIS OF A POLYMER UNDER SEPERATION OF A GASEOUS SUBSTANCE
    17.
    发明申请
    DEVICE AND METHOD FOR SYNTHESIS OF A POLYMER UNDER SEPERATION OF A GASEOUS SUBSTANCE 有权
    聚合物在气相物质分离下合成的装置和方法

    公开(公告)号:US20160159983A1

    公开(公告)日:2016-06-09

    申请号:US14896460

    申请日:2014-06-11

    Applicant: BASF SE

    Abstract: The invention relates to a device for synthesis of a polymer under separation of a gaseous substance. Said device comprises a reaction chamber (1), which has a top section (11), a middle section (12) and a bottom section (13), an inlet opening (2) which is arranged in the middle section (12), a first outlet opening (3) which is arranged in the bottom section (13), a second outlet opening (4) which is arranged in the top section (11), a first return opening (51), which is arranged in the bottom section (13), a second outlet opening (52), which is arranged under the top section (11), a distribution device (6), which is arranged between the top section (11) and the middle section (12), and a removal device (7) which is arranged to be movable along the top section (11). The invention further relates to a method for synthesis of a polymer which can be carried out in said device.

    Abstract translation: 本发明涉及一种在气态物质分离下合成聚合物的装置。 所述装置包括具有顶部部分(11),中间部分(12)和底部部分(13)的反应室(1),布置在中间部分(12)中的入口开口(2) 布置在底部部分(13)中的第一出口(3),布置在顶部部分(11)中的第二出口开口(4),布置在底部 (13),布置在所述顶部(11)下方的第二出口开口(52),布置在所述顶部部分(11)和所述中间部分(12)之间的分配装置(6),以及 拆卸装置(7),其布置成可沿着顶部部分(11)移动。 本发明还涉及可以在所述装置中进行的聚合物的合成方法。

Patent Agency Ranking