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公开(公告)号:ES2328744T3
公开(公告)日:2009-11-17
申请号:ES07103984
申请日:2007-03-13
Applicant: BASF SE
Inventor: ALTEHELD ARMIN , EMGE ANDREAS , GUERIN MOREIRA ANDRE , SCHIPS CARSTEN , FRANCIS TIMOTHY , HAHN KLAUS
Abstract: Placa de espuma con una densidad en un rango de 10 a 100 g/l, que contiene un gas celular con una conductividad térmica menor que el aire, caracterizada porque está rodeada por todos los lados con una película de polímero con un peso por unidad de superficie en un rango de 10 a 250 g/m 2 , que contiene poliamida (PA), cloruro de polivinilideno (PVdC), acetato de polivinilo (PVAc) o poliacrilonitrilo (PAN).
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公开(公告)号:CA2716792A1
公开(公告)日:2009-09-17
申请号:CA2716792
申请日:2009-03-13
Applicant: BASF SE
Inventor: MOHMEYER NILS , FRITZ RALF , HABICHT ANNIKA , TEPE DANIELA , PRISSOK FRANK , HARMS MICHAEL , BRUCHMANN BERND , SCHONFELDER DANIEL , FREIDANK DANIEL , EMGE ANDREAS , EISENHARDT ANDREA
Abstract: The invention relates to an open-cell polyurethane foam containing polyester and polyether structures with a density of 70 to 300 g/L, 1 to 20 cells/cm, an impact resilience of more than 30%, a strain at break of more than 200%, a tear propagation strength of more than 1.2 N/mm and a tensile strength of more than 200 kPa. The invention further relates to a method for producing open-cell polyurethane sponges and to their use as pipe cleaning sponges.
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公开(公告)号:AT438768T
公开(公告)日:2009-08-15
申请号:AT07103984
申请日:2007-03-13
Applicant: BASF SE
Inventor: ALTEHELD ARMIN , EMGE ANDREAS , GUERIN MOREIRA ANDRE , SCHIPS CARSTEN , FRANCIS TIMOTHY , HAHN KLAUS , SEIFERT HOLGER , TURZNIK GERHARD
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公开(公告)号:AT412681T
公开(公告)日:2008-11-15
申请号:AT05734872
申请日:2005-04-02
Applicant: BASF SE
Inventor: EMGE ANDREAS , BLEUEL ELKE , ZASCHKE BERND , SEIFERT HOLGER , MALOTKI PETER
Abstract: The invention relates to a process for producing polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) catalysts, d) blowing agents, e) if desired, auxiliaries and additives, wherein the compounds having at least two hydrogen atoms which are reactive toward isocyanate groups comprise at least one polar graft polyol.
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