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公开(公告)号：AT475680T
公开(公告)日：2010-08-15
申请号：AT08701189
申请日：2008-01-02
Applicant: BASF SE
Inventor： LEHMANN PIT , THANE KATRIN , HWANG CHEOL-HYUN
Abstract: The present invention relates to a rigid polyurethane foam comprising reinforcing materials which can be obtained by mixing (a) isocyanates which have a viscosity at 25° C. of less than 500 mPas with (b) compounds having groups which are reactive toward isocyanates, (c) blowing agents comprising water, (d) catalysts and, if appropriate, (e) further additives to form a reaction mixture and applying the reaction mixture to a reinforcing material, wherein the compounds (b) having groups which are reactive toward isocyanates comprise a polyetherol (b1) having a functionality of 4 or more and a viscosity at 25° C. of 10 000 mPas or less and a polyetherol (b2) having a functionality of 3 or less and a viscosity at 25° C. of 500 mPas or less. The present invention further relates to a process for producing such rigid polyurethane foams and the use of the rigid polyurethane foams for the insulation of liquefied natural gas tanks.
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公开(公告)号：DE502008001038D1
公开(公告)日：2010-09-09
申请号：DE502008001038
申请日：2008-01-02
Applicant: BASF SE
Inventor： LEHMANN PIT , THANE KATRIN , HWANG CHEOL-HYUN
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