2.
    发明专利
    未知

    公开(公告)号:ES2141629T3

    公开(公告)日:2000-03-16

    申请号:ES98110611

    申请日:1998-06-10

    Applicant: BASF AG

    Abstract: In the production of rigid polyurethane (PUR) foam with low thermal conductivity by reacting (a) organic and/or modified organic polyisocyanates with (b) compounds containing NOTLESS 2 reactive hydrogen atoms in the presence of (c) blowing agent, (d) catalyst and optionally (e) ancillaries and/or additives, the novelty is that graphite is added to (a) and/or (b). Also claimed is rigid PUR foam produced in this way.

Patent Agency Ranking