43.
    发明专利
    未知

    公开(公告)号:BRPI0607101A2

    公开(公告)日:2010-03-09

    申请号:BRPI0607101

    申请日:2006-02-03

    Applicant: BASF AG

    Abstract: A method for the production of coated, expandable, styrene polymer (EPS) granules by extrusion of a styrene polymer melt containing an expanding agent through a nozzle plate with subsequent underwater granulation, wherein the EPS granules are coated by coating agents that are soluble, emulsifiable or suspendable in water in the water circuit of the underwater granulator.

Patent Agency Ranking