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公开(公告)号:PT1723188E
公开(公告)日:2007-10-25
申请号:PT05707537
申请日:2005-02-19
Applicant: BASF AG
Inventor: BIEDERMANN ANJA , PRETZSCH REGINA , SCHUETTE MARKUS , EGBERS GITTA , SCHMALKUCHE CORD , SCHWARZ MARC , POHL WOLFGANG , LEHNERT ERICH
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公开(公告)号:DE502005001484D1
公开(公告)日:2007-10-25
申请号:DE502005001484
申请日:2005-02-19
Applicant: BASF AG
Inventor: BIEDERMANN ANJA , PRETZSCH REGINA , SCHUETTE MARKUS , EGBERS GITTA , SCHMALKUCHE CORD , SCHWARZ MARC , POHL WOLFGANG , LEHNERT ERICH
Abstract: The invention relates to swelling-resistant integral polyurethane foams obtainable by reacting polyisocyanate prepolymers (a) with a polyol mixture (b) comprising a polyether polyol (b1) based on a bifunctional starter molecule and a polyether polyol (b2) based on a trifunctional to pentafunctional starter molecule, with the polyols (b1) and (b2) being prepared by alkoxylation by means of ethylene oxide (hereinafter referred to as EO) and propylene oxide (hereinafter referred to as PO), having an ethylene oxide content of more than 50% by weight and at least 5% of the ethylene oxide being present as an EO end cap.
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公开(公告)号:AT373032T
公开(公告)日:2007-09-15
申请号:AT05707537
申请日:2005-02-19
Applicant: BASF AG
Inventor: BIEDERMANN ANJA , PRETZSCH REGINA , SCHUETTE MARKUS , EGBERS GITTA , SCHMALKUCHE CORD , SCHWARZ MARC , POHL WOLFGANG , LEHNERT ERICH
Abstract: The invention relates to swelling-resistant integral polyurethane foams obtainable by reacting polyisocyanate prepolymers (a) with a polyol mixture (b) comprising a polyether polyol (b1) based on a bifunctional starter molecule and a polyether polyol (b2) based on a trifunctional to pentafunctional starter molecule, with the polyols (b1) and (b2) being prepared by alkoxylation by means of ethylene oxide (hereinafter referred to as EO) and propylene oxide (hereinafter referred to as PO), having an ethylene oxide content of more than 50% by weight and at least 5% of the ethylene oxide being present as an EO end cap.
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