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    PROCESS FOR PRODUCING A THERMOPLASTIC MOULDING COMPOUND COMPRISING A THERMOPLASTIC COPOLYMER A AND A GRAFT COPOLYMER B
    1.
    发明公开
    PROCESS FOR PRODUCING A THERMOPLASTIC MOULDING COMPOUND COMPRISING A THERMOPLASTIC COPOLYMER A AND A GRAFT COPOLYMER B 审中-公开

    公开(公告)号：US20240218090A1

    公开(公告)日：2024-07-04

    申请号：US18546728

    申请日：2022-02-15

    申请人： INEOS STYROLUTION GROUP GMBH

    发明人： Wolfgang FISCHER

    IPC分类号： C08F6/22 ,  B01D21/26 ,  C08F6/00 ,  C08F212/10 ,  C08F257/02 ,  F26B3/084 ,  F26B21/10 ,  F26B21/14

    CPC分类号： C08F6/22 ,  B01D21/262 ,  C08F6/008 ,  C08F212/10 ,  C08F257/02 ,  F26B3/084 ,  F26B21/10 ,  F26B21/14

    摘要： The invention relates to a process for producing a thermoplastic moulding compound comprising a thermoplastic copolymer A and a graft copolymer B (4), comprising: continuously drying the dewatered graft copolymer B (4) by supplying a drying gas (3) and the dewatered graft copolymer B (4), by moving the dewatered graft copolymer B (4) through the drying gas (3) and forming a fluidized bed (5), the drying gas (3) having a feed temperature TG,feed in the range from 50° C. to 160° C., and by removing dried graft copolymer B (4) and an offgas (7), wherein i. a starting temperature Tin of the fluidized bed (5) on feeding (9) of the dewatered graft copolymer B (4) is measured, ii. a finish temperature Tout of the fluidized bed (5) on removal (11) of the dried graft copolymer B (4) and/or of the offgas (7) is measured, iii. a difference ΔTact between the finish temperature Tout and the starting temperature Tin is formed and the difference ΔTact is compared with a target value ΔTtarget, and iv. the finish temperature Tout is adjusted by—increasing a mass flow rate of drying gas (3) supplied and/or the feed temperature TG,feed of the drying gas (3) when the difference ΔTact is smaller than the target value ΔTtarget or—reducing a mass flow rate of drying gas (3) supplied and/or the feed temperature TG,feed of the drying gas (3) when the difference ΔTact is greater than the target value ΔTtarget.

    METHOD AND SYSTEM FOR POLYMERIZING ACRYLATES
    3.
    发明申请
    METHOD AND SYSTEM FOR POLYMERIZING ACRYLATES 审中-公开

    公开(公告)号：US20190225713A1

    公开(公告)日：2019-07-25

    申请号：US16330208

    申请日：2017-09-05

    申请人： INEOS STYROLUTION GROUP GMBH

    发明人： Wolfgang FISCHER ,  Peter ITTEMANN ,  Florian PATCAS ,  Michael RUF

    IPC分类号： C08F2/01 ,  C08F2/04 ,  B01J19/24 ,  B01J19/00 ,  C08F220/10 ,  C08F291/02

    摘要： The invention relates to a method for polymerizing acrylates using a reactor (50). Reaction heat produced in the reactor (50) is discharged via a boiling cooler (40) in that gaseous vapors produced in the reactor (50) are supplied to the boiling cooler (40), and condensed vapors are returned to the reactor (50) from the boiling cooler (40). At least one component containing acrylate is at least partly added via the boiling cooler (40) and reaches the reactor (50) via the boiling cooler (40). The invention additionally relates to a system for polymerizing an acrylate, comprising a reactor (50) and a boiling cooler (40) for discharging reaction heat produced in the reactor (50). The boiling cooler (40) has at least one filling opening (46) for supplying at least one component containing acrylate.

    METHOD FOR PRODUCING A THERMOPLASTIC MOULDING COMPOUND
    4.
    发明申请
    METHOD FOR PRODUCING A THERMOPLASTIC MOULDING COMPOUND 审中-公开

    公开(公告)号：US20190193302A1

    公开(公告)日：2019-06-27

    申请号：US16099710

    申请日：2017-05-04

    申请人： INEOS STYROLUTION GROUP GMBH

    发明人： Wolfgang FISCHER

    IPC分类号： B29B7/84 ,  B29B7/82 ,  B29B7/48 ,  C08J3/21 ,  C08L9/00 ,  C08L33/06 ,  C08L25/12 ,  C08L33/20

    摘要： A method for producing a thermoplastic moulding compound by means of an extruder (10), which comprises at least one feed zone (20), at least one mixing section (30), at least one venting section (40) and at least one discharge zone (50), wherein in the at least one feed zone (20) a water-containing first component and a second component are supplied, in the at least one mixing section (30) the thermoplastic moulding compound is mixed and contained water is evaporated, in the at least one venting section (40) water vapour is removed from the moulding compound and in the at least one discharge zone (50) the moulding compound is discharged. At least one of the mixing housings (31, 32) is kept at a temperature that is equal to or lower than the temperature of the moulding compound within the mixing section (30).

    METHOD FOR PRODUCING ACRYLATE RUBBER AT REDUCED EMULSIFIER CONCENTRATION
    7.
    发明申请
    METHOD FOR PRODUCING ACRYLATE RUBBER AT REDUCED EMULSIFIER CONCENTRATION 审中-公开

    公开(公告)号：US20190055388A1

    公开(公告)日：2019-02-21

    申请号：US15763953

    申请日：2016-09-23

    申请人： INEOS STYROLUTION GROUP GMBH

    发明人： Wolfgang FISCHER ,  Tobias SCHULZ

    IPC分类号： C08L25/12 ,  C08L51/00 ,  C09D5/02 ,  C08J5/18 ,  C09D125/12

    摘要： Method for producing a thermoplastic moulding compound containing: up to 40 wt. % of a graft copolymer A, containing 50-70 wt. % graft base A1 from an acrylic ester polymer and 30-50 wt. % of a graft shell A2, and 0-90 wt. % of a hard matrix B, wherein the reaction for producing the graft copolymer A is carried out in the presence of 0.01 to 4 times the molar amount of sodium carbonate, relative to the molar amount of initiator, wherein the reaction for producing copolymer A is carried out in the presence of 0.1 to 1 wt. % of an emulsifier relative to the amount of the respective monomers used, and wherein during the polymerisation reaction, during the post-polymerisation and/or after the polymerisation reaction, water or an aqueous alkali solution are added to the reaction mixture for producing the graft copolymer A.