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    REMOVER REAGENT FOR CURED SILICONE SEALANT AND METHOD USING SAME
    4.
    发明公开
    REMOVER REAGENT FOR CURED SILICONE SEALANT AND METHOD USING SAME 审中-公开

    公开(公告)号：EP4342971A1

    公开(公告)日：2024-03-27

    申请号：EP23195215.1

    申请日：2023-09-04

    申请人： Hangzhou Joinleader New Materials Co., Ltd.

    发明人： FU, Cheng ,  GE, Shengyu ,  GUO, Huijun ,  ZHAO, Liang

    IPC分类号： C11D7/26 ,  C11D7/34 ,  C11D7/50

    摘要： The present disclosure provides a formula of a remover reagent for a cured silicone sealant and a method using the same. The remover reagent is prepared from an acid catalyst and a solvent each having a high boiling point and a high flash point. The acid catalyst is benzenesulfonic acid or alkylbenzenesulfonic acid. The solvent is mineral oil and/or silicone oil. The cured silicone sealant is first soaked with the remover reagent for 30 to 120 min, and then baked at a high temperature of 80 to 120°C for 10 min or above into debris or powder, whereby the cured silicone sealant with a thickness of 10 mm or above can be removed. Moreover, the remover reagent has the advantages of readily available raw materials, high safety, environmentally friendliness, convenient preparation and good sealant removal effect, and thus, has good application prospects.

    COMPOSITIONS
    8.
    发明公开
    COMPOSITIONS 审中-公开

    公开(公告)号：EP4234673A3

    公开(公告)日：2023-10-04

    申请号：EP23174742.9

    申请日：2018-08-06

    申请人： Mexichem Fluor S.A. de C.V.

    发明人： LOW, Robert

    IPC分类号： C09K5/04 ,  C09K3/30 ,  C11D7/50

    摘要： The invention provides a composition comprising 1,1-difluoroethene (R-1132a), difluoromethane (R-32), 2,3,3,3-tetrafluoropropene (R-1234yf), optionally carbon dioxide (CO 2 , R-744), and, optionally, 1,1,2-trifluoroethene (R-1123).

    METHODS OF REMOVING ANTIMICROBIAL RESIDUES FROM SURFACES
    9.
    发明公开
    METHODS OF REMOVING ANTIMICROBIAL RESIDUES FROM SURFACES 审中-公开

    公开(公告)号：EP4223863A1

    公开(公告)日：2023-08-09

    申请号：EP23154561.7

    申请日：2023-02-01

    申请人： Kraton Polymers Nederland B.V.

    发明人： KRUTZER, Bert ,  PEDDINTI, Bharadwaja ,  YAN, Jiaqi ,  WRIGHT, Kathryn J. ,  SMITH, James

    IPC分类号： C11D3/43 ,  C11D7/50 ,  C11D17/04

    摘要： A method is provided for removing a residue from a surface. The method includes steps of applying a cleaning medium to the surface containing the residue. The cleaning medium comprises up to 100 wt.% of at least a solvent. Allowing the cleaning medium to be in contact with the residue for at least 5 seconds to swell / dissolve the residue for removing the residue from the surface. At least 50 wt.% of the residue and the cleaning medium are removed from the surface by wiping the surface with a shear force. The residue contains a sulfonated polymer having an ion exchange capacity (IEC) of greater than 0.5 meq/g. The sulfonated polymer can kill > 90% of microbes coming in contact with the sulfonated polymer in less than 30 min.