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    12.
    发明专利
    未知

    公开(公告)号：BR0113153A

    公开(公告)日：2003-07-08

    申请号：BR0113153

    申请日：2001-08-01

    Applicant: BASF AG

    Inventor： KUEHN INGOLF ,  SCHUHMACHER RUDOLF

    IPC: C08B31/00 ,  C08F2/22 ,  C08F251/00 ,  C08F251/02 ,  C09D151/02 ,  D21H17/28 ,  D21H17/43 ,  D21H21/16 ,  C08F220/00 ,  C08L3/00 ,  D21H17/00

    Abstract: A polymer dispersion is prepared by copolymerization of from 20 to 70 parts by weight of a monomer mixture comprisinga) from 2.5 to 100% by weight of one or more (meth)acrylates of monohydric, saturated C3-C8-alcohols as monomers A andb) from 0 to 97.5% by weight of one or more further ethylenically unsaturated monomers as monomers Bin 100 parts by weight of an aqueous solution which contains from 5 to 35% by weight of a starch or of a starch derivative by emulsion polymerization in the presence of an initiator containing peroxide groups, by a process in which the initiator and monomers are metered in continuously and wherein, a first amount of initiator is metered in over a first feed period of from 5 to 60 minutes and a second amount of initiator is metered in over a second feed period of from 15 to 180 minutes, the first amount of initiator being greater than the second amount of initiator.

    14.
    发明专利
    未知

    公开(公告)号：DE10039388A1

    公开(公告)日：2002-02-21

    申请号：DE10039388

    申请日：2000-08-11

    Applicant: BASF AG

    Inventor： KUEHN INGOLF ,  SCHUHMACHER RUDOLF

    IPC: C08B31/00 ,  C08F2/22 ,  C08F251/00 ,  C08F251/02 ,  C09D151/02 ,  D21H17/28 ,  D21H17/43 ,  D21H21/16 ,  C08F20/18 ,  D21H17/37

    Abstract: The invention relates to a method for producing a polymer dispersion by copolymerisation of 20 - 70 weight parts of a monomer mixture comprising c) 2.5 - 100 wt. % of one or more (meth) acrylic acid esters of monovalent, saturated C3-C8 alcohols as monomers A, and 0 - 97.5 wt. % of one or more other ethylenlically unsaturated monomers as monomers B in 100 weight parts of an aqueous solution which contains 5 - 35 wt.- % of a starch or a starch derivative, in emulsion polymerisation in the presence of an initiator containing peroxide groups, whereby the initiator and monomer can be continually dosed. In a first supply period of 5 - 60 minutes a first amount of an initiator is dosed and in a second supply period of 15 - 180 minutes a second amount of an initiator is dosed. The first amount of initiator is greater than the second amount of initiator.

    16.
    发明专利
    未知

    公开(公告)号：DE50111593D1

    公开(公告)日：2007-01-18

    申请号：DE50111593

    申请日：2001-08-01

    Applicant: BASF AG

    Inventor： KUEHN INGOLF ,  SCHUHMACHER RUDOLF

    IPC: C08F251/00 ,  C08B31/00 ,  C08F2/22 ,  C08F220/00 ,  C08F251/02 ,  C08L3/00 ,  C09D151/02 ,  D21H17/00 ,  D21H17/28 ,  D21H17/43 ,  D21H21/16

    Abstract: A polymer dispersion is prepared by copolymerization of from 20 to 70 parts by weight of a monomer mixture comprisinga) from 2.5 to 100% by weight of one or more (meth)acrylates of monohydric, saturated C3-C8-alcohols as monomers A andb) from 0 to 97.5% by weight of one or more further ethylenically unsaturated monomers as monomers Bin 100 parts by weight of an aqueous solution which contains from 5 to 35% by weight of a starch or of a starch derivative by emulsion polymerization in the presence of an initiator containing peroxide groups, by a process in which the initiator and monomers are metered in continuously and wherein, a first amount of initiator is metered in over a first feed period of from 5 to 60 minutes and a second amount of initiator is metered in over a second feed period of from 15 to 180 minutes, the first amount of initiator being greater than the second amount of initiator.

    17.
    发明专利
    未知

    公开(公告)号：DE10016215A1

    公开(公告)日：2001-10-04

    申请号：DE10016215

    申请日：2000-03-31

    Applicant: BASF AG

    Inventor： HUEFFER STEPHAN ,  KREBS THILO ,  HUNGENBERG KLAUS-DIETER ,  KUEHN INGOLF ,  JAHNS EKKEHARD ,  LACH CHRISTIAN ,  KELLER HARALD ,  PFAU ANDREAS ,  FRECHEN THOMAS

    IPC: F28F19/06 ,  C23C18/16 ,  C23C18/31 ,  C23C18/52 ,  C23C18/18 ,  B01J19/02

    Abstract: The invention relates to a method for surface-coating apparatuses and parts of apparatuses for the construction of chemical installations, for example apparatus, container and reactor walls, discharging devices, fittings, pumps, filters, compressors, centrifuges, columns, heat exchangers, dryers, reducing machines, built-in parts, packing and mixing mechanisms. The method is characterised in that bumps with an average height of 100 nm to 50 mu m are produced on the surface to be coated, at average intervals of 100 nm to 100 mu m, before the surface is coated by currentlessly depositing a layer of metal or a layer of a metal-polymer-dispersion using a galvanisation bath containing a metal electrolyte, a reduction agent and optionally, a polymer or polymer mixture to be deposited, in dispersed form.

    18.
    发明专利
    未知

    公开(公告)号：DE19943169A1

    公开(公告)日：2001-03-15

    申请号：DE19943169

    申请日：1999-09-09

    Applicant: BASF AG

    Inventor： JAHNS EKKEHARD ,  KUEHN INGOLF ,  LIESE-SAUER THOMAS ,  ABICHT WOLFGANG

    IPC: C09K9/02 ,  C08J5/18 ,  A01F25/13 ,  A01G9/14 ,  A01G13/02 ,  B29D7/01 ,  C08L101/12

    Abstract: The invention relates to a method for producing thermotropic (mono) films or composite films that contain at least one thermotropic layer that consists of a) 5 to 95 weight percent of a polymer as the component A, and b) 5 to 95 weight percent of a polymer as the component B that is different from A. A molecular mixture of components A and B has a cloud point below which the mixture is monophase and transparent and above which the mixture segregates into the components A and B. The components A and/or B may contain up to 15 mole percent of photoinitiator comonomers polymerized into the component. The layer contains optionally further components and optionally a support layer and/or a cover layer and optionally additional intermediate layers. The inventive method comprises the following steps: i) producing an intimate mixture that contains 10 to 98 weight percent of a mixture of components A, B and optionally further components and 2 to 90 weight percent of a solvent in which the components A and B are soluble, ii) removing the solvent, whereby an intimate polymer mixture from the components A and B and optionally further components is produced, iii) melting the intimate polymer mixture from step (ii) during or after the removal of the solvent, iv) optionally adding further components at a random point in time, v) shaping the mixture from components A, B and optionally further components to give a thermotropic (mono) film or, together with the support film and/or the cover layer and optionally the additional intermediate layers, to give a thermotropic composite film, and vi) optionally cross-linking said thermotropic film or said thermotropic composite film by UV radiation.

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