A proppant
    2.
    发明专利

    公开(公告)号:AU2009309692B2

    公开(公告)日:2015-02-05

    申请号:AU2009309692

    申请日:2009-10-29

    Applicant: BASF SE

    Abstract: A proppant comprises a particle and a polycarbodiimide coating disposed on the particle. The polycarbodiimide coating comprises the reaction product of a polymeric isocyanate and a monomeric isocyanate, in the presence of a catalyst. A method of forming the proppant comprises the steps of providing the particle, providing the polymeric isocyanate, providing the monomeric isocyanate, providing the catalyst, reacting the polymeric isocyanate and the monomeric isocyanate in the presence of the catalyst to form the polycarbodiimide coating, and coating the particle with the polycarbodiimide coating.

    A PROPPANT
    4.
    发明专利

    公开(公告)号:MY165277A

    公开(公告)日:2018-03-20

    申请号:MYPI2011001834

    申请日:2009-10-29

    Applicant: BASF SE

    Abstract: A PROPPANT COMPRISES A PARTICLE AND A POLYCARBODIIMIDE COATING DISPOSED ON THE PARTICLE. THE POLYCARBODIIMIDE COATING COMPRISES THE REACTION PRODUCT OF A POLYMERIC ISOCYANATE AND A MONOMERIC ISOCYANATE, IN THE PRESENCE OF A CATALYST. A METHOD OF FORMING THE PROPPANT COMPRISES THE STEPS OF PROVIDING THE PARTICLE, PROVIDING THE POLYMERIC ISOCYANATE, PROVIDING THE MONOMERIC ISOCYANATE, PROVIDING THE CATALYST, REACTING THE POLYMERIC ISOCYANATE AND THE MONOMERIC ISOCYANATE IN THE PRESENCE OF THE CATALYST TO FORM THE POLYCARBODIIMIDE COATING, AND COATING THE PARTICLE WITH THE POLYCARBODIIMIDE COATING. (FIG. 1)

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