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    METHOD FOR CLEANING SURFACES
    13.
    发明专利
    METHOD FOR CLEANING SURFACES 未知

    公开(公告)号：CA2595297A1

    公开(公告)日：2006-07-27

    申请号：CA2595297

    申请日：2006-01-19

    Applicant: BASF AG

    Inventor： MOECK CHRISTOF ,  SCHORNICK GUNNAR ,  WEIDL CHRISTIAN HUBERT ,  STEINBRENNER ULRICH ,  MICHL KATHRIN ,  EHRENSTEIN MORITZ ,  FRENZEL STEFAN ,  ZIEMER ANTJE ,  FECHTENKOETTER ANDREAS

    IPC: C08J9/40 ,  C08J9/42 ,  C11D17/04

    Abstract: A method for cleaning surfaces using aminoplast foam pieces produced from (a) open-cell aminoplast foams having a density in the range from 5 to 500 kg/m 3 and a mean pore diameter in the range from 1 mum to 1 mm or (b) open-cell aminoplast foams having a density in the range from 5 to 500 kg/m 3 and a mean pore diameter in the range from 1 mum to 1 mm, which have been treated (b1) with an aqueous formulation of at least one compound (b-1) having at least one hemiaminal or aminal group per molecule or at least one copolymer which comprises, incorporated in the form of polymerized units, at least one comonomer containing OH groups or beta-dicarbonyl groups or epoxide groups, or (b2) with at least one polymer (c-1) which is solid at room temperature, contains carboxyl groups and/or carboxylic ester groups and has a molecular weight M n in the range from 1000 to 1 000 000 g/mol, the aminoplast foam pieces used having an average diameter in the range from 0.1 mm to 50 mm.

    14.
    发明专利
    未知

    公开(公告)号：DE19959652A1

    公开(公告)日：2001-06-13

    申请号：DE19959652

    申请日：1999-12-10

    Applicant: BASF AG

    Inventor： MOECK CHRISTOF ,  TATZEL HERMANN

    IPC: B29B17/00 ,  B29C70/46 ,  B29C70/48 ,  B29C70/54 ,  B32B27/00 ,  B32B38/12 ,  B60R13/02 ,  E04C2/296 ,  B32B5/18 ,  B32B27/32 ,  B32B35/00 ,  F16S5/00

    Abstract: A sandwich sheet (I) comprises: (A) a core layer of polypropylene particulate foam; (B) cover layers of fiber reinforced polypropylene as well as optionally; and (C) decorative layers. The core layer (A) contains 1-30 wt.% recycled particles from components (A), (B) and optionally (C). Independent claims are included for: (i) a process for the production of a foam sheet by comminuting waste pieces of sandwich sheets comprising (A), (B) and optionally (C) to an average particle size of 5-10 mm and bonding 1-20 wt.% of the comminuted material with 80-99 wt.% of polypropylene foam particles in a mold; and (ii) a process for the production of the sandwich sheet (I) by deep drawing of components (A), (B) and optionally (C) at above the softening point of polypropylene.

    MULTI-LAYERED FOAMED COMPOSITE ELEMENT COMPRISING RECESSES
    18.
    发明专利
    MULTI-LAYERED FOAMED COMPOSITE ELEMENT COMPRISING RECESSES 未知

    公开(公告)号：CA2643073A1

    公开(公告)日：2007-09-20

    申请号：CA2643073

    申请日：2007-03-01

    Applicant: BASF AG

    Inventor： MOECK CHRISTOF ,  VATH BERNHARD

    IPC: E04B1/86 ,  B32B5/18 ,  B32B5/22

    Abstract: A multilayer foam composite element whose total thickness d comprises at least three layers composed of an open-cell foam, where at least one of the internal layers has recesses and the two outermost layers have no recesses, wherein i) the volume of the recesses in the internal layer having recesses is from 20 to 70% by volume, and ii) the thickness of the layer having recesses is from 20 to 80% of the total thickness d.

    19.
    发明专利
    未知

    公开(公告)号：DE102005039626A1

    公开(公告)日：2007-03-01

    申请号：DE102005039626

    申请日：2005-08-22

    Applicant: BASF AG

    Inventor： BAUMGARTL HORST ,  MOECK CHRISTOF ,  VATH BERNHARD

    IPC: C08J9/236 ,  B29C67/20 ,  C08J9/22 ,  C08J9/42

    Abstract: The invention relates to a foam which has been made hydrophobic/oleophobic and comprises a foam matrix having open cells and having an impregnation which is made up essentially of a polyvinylidene halide (co)polymer which may optionally comprise further substituents and, if appropriate, additionally a fluorocarbon resin and/or silicone resin. The invention further relates to a process for producing this foam.

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