公开(公告)号：DE502006002256D1

公开(公告)日：2009-01-15

申请号：DE502006002256

申请日：2006-02-21

Applicant: BASF SE

Inventor： MARTEN ELKE ,  HEIDEMANN ANDREAS ,  SCHUETTE MARKUS ,  STRAUSS MICHAEL ,  BOLLMANN HEINRICH ,  HANSEN RALF

IPC: C08G18/12 ,  C08G18/10 ,  C08G18/30 ,  C08G18/32 ,  C08G18/79 ,  C08G101/00 ,  C08J9/02 ,  C08J9/14 ,  F16F1/36 ,  F16F9/58

Abstract: Cylindrical molded bodies (I) comprises cellular polyurethane elastomers with a density of 300-900 kg/m 3>, a tensile strength of >= 2 N/mm 2>, a breach extension of >= 200% and a tear resistance of >= 8 N/mm, where the cellular polyurethane elastomers are based on reaction of: (i) isocyanate groups of prepolymers based on methylenediphenyldiisocyanate and polyetherdiol; with (ii) cross linking components containing polyetheralcohol; diol with a molecular weight of 62-499 g/mol; water; and catalysts. Cylindrical molded bodies (I) comprises cellular polyurethane elastomers with a density of 300-900 kg/m 3>according to DIN EN ISO 845, a tensile strength of >= 2 N/mm 2>according to DIN EN ISO 1798, a breach extension of >= 200% according to DIN EN ISO 1798 and a tear resistance of >= 8 N/mm according to DIN ISO 34-1 B, where the cellular polyurethane elastomers are based on reaction of: (i) prepolymers exhibiting isocyanate groups based on methylenediphenyldiisocyanate and polyetherdiol with a molecular weight of 1500-3000 g/mol based on propylene oxide and/or ethyleneoxide; with (ii) cross linking components containing polyetheralcohol with a nominal functionality of 2-3 in relation to isocyanates and a molecular weight of 1500-6000 g/mol based on propylene oxide and/or ethyleneoxide; diol with a molecular weight of 62-499 g/mol; water; and catalysts, where the polyol exhibits an average molecular mass of smaller than 3900 g/mol, where the average polyol molecular mass (M(polyol)) is calculated by (M b11xm b11+...+M b1nxm b1n)xW p+(M b21xm b21+...+M b2nxm b2n)xW v/(m b11+...+m b1n)xW p+(m b21+...+m b2n)xW v, where M (polyol) is average polyol molecular mass in g/mol; M b11(and/or M b1n) is molecular mass of polyol b11 (and/or polyol b1n) in (i) in g/mol; m b11(and/or m b1n) is mass proportion of polyol b11 (and/or polyol b1n) in (i) in g/g; W pis mass proportion of (i) in the cylindrical molded article in g/g; M b21(and/or M b2n) is molecular mass of polyol b21 and/or (polyol b2n) in (ii) in g/mol; m b21(and/or m b2n) is mass proportion of polyol b21 (and/or polyol b2n) in (ii) in g/g; and W vis mass proportion of (ii) in the cylindrical molded article in g/g. Independent claims are included for: (1) automobile chassis containing shock absorbers, a hollow cylindrical molded bodies, which is placed on its piston rod; and (2) the preparation of (I).

公开(公告)号：AT416210T

公开(公告)日：2008-12-15

申请号：AT06743196

申请日：2006-02-21

Applicant: BASF SE

Inventor： MARTEN ELKE ,  HEIDEMANN ANDREAS ,  SCHUETTE MARKUS ,  STRAUSS MICHAEL ,  BOLLMANN HEINRICH ,  HANSEN RALF

IPC: C08G18/12 ,  C08G18/10 ,  C08G18/30 ,  C08G18/32 ,  C08G18/79 ,  C08J9/02 ,  C08J9/14 ,  F16F1/36

Abstract: Cylindrical molded bodies (I) comprises cellular polyurethane elastomers with a density of 300-900 kg/m 3>, a tensile strength of >= 2 N/mm 2>, a breach extension of >= 200% and a tear resistance of >= 8 N/mm, where the cellular polyurethane elastomers are based on reaction of: (i) isocyanate groups of prepolymers based on methylenediphenyldiisocyanate and polyetherdiol; with (ii) cross linking components containing polyetheralcohol; diol with a molecular weight of 62-499 g/mol; water; and catalysts. Cylindrical molded bodies (I) comprises cellular polyurethane elastomers with a density of 300-900 kg/m 3>according to DIN EN ISO 845, a tensile strength of >= 2 N/mm 2>according to DIN EN ISO 1798, a breach extension of >= 200% according to DIN EN ISO 1798 and a tear resistance of >= 8 N/mm according to DIN ISO 34-1 B, where the cellular polyurethane elastomers are based on reaction of: (i) prepolymers exhibiting isocyanate groups based on methylenediphenyldiisocyanate and polyetherdiol with a molecular weight of 1500-3000 g/mol based on propylene oxide and/or ethyleneoxide; with (ii) cross linking components containing polyetheralcohol with a nominal functionality of 2-3 in relation to isocyanates and a molecular weight of 1500-6000 g/mol based on propylene oxide and/or ethyleneoxide; diol with a molecular weight of 62-499 g/mol; water; and catalysts, where the polyol exhibits an average molecular mass of smaller than 3900 g/mol, where the average polyol molecular mass (M(polyol)) is calculated by (M b11xm b11+...+M b1nxm b1n)xW p+(M b21xm b21+...+M b2nxm b2n)xW v/(m b11+...+m b1n)xW p+(m b21+...+m b2n)xW v, where M (polyol) is average polyol molecular mass in g/mol; M b11(and/or M b1n) is molecular mass of polyol b11 (and/or polyol b1n) in (i) in g/mol; m b11(and/or m b1n) is mass proportion of polyol b11 (and/or polyol b1n) in (i) in g/g; W pis mass proportion of (i) in the cylindrical molded article in g/g; M b21(and/or M b2n) is molecular mass of polyol b21 and/or (polyol b2n) in (ii) in g/mol; m b21(and/or m b2n) is mass proportion of polyol b21 (and/or polyol b2n) in (ii) in g/g; and W vis mass proportion of (ii) in the cylindrical molded article in g/g. Independent claims are included for: (1) automobile chassis containing shock absorbers, a hollow cylindrical molded bodies, which is placed on its piston rod; and (2) the preparation of (I).

公开(公告)号：AT399805T

公开(公告)日：2008-07-15

申请号：AT06708423

申请日：2006-02-21

Applicant: BASF SE

Inventor： HANSEN RALF ,  JACKISCH PETER ,  MARTEN ELKE

IPC: C08G18/12 ,  C08G18/10 ,  C08G18/79 ,  F16F1/36

Abstract: Preparation of cylindrical molded bodies (I) based on cellular polyurethane elastomers with determined density, tensile strength, elongation and a tear resistance, comprises reaction of prepolymers (i) with cross linking components (ii) in a molded form, where (i) are isocyanate groups based on methylenediphenyldiisocyanate and polyetherdiol; and (ii) contains polyetheralcohol with a nominal functionality of 2-3; diol with a molecular weight of 62-499 g/mol; water; and catalysts. Preparation of cylindrical molded bodies (I) based on cellular polyurethane elastomers with a density of 350-900 kg/m 3> according to DIN EN ISO 1798, a tensile strength of >= 2 N/mm 2> according to DIN EN ISO 1798, elongation of >= 200% according to DIN EN ISO 1798 and a tear resistance of >= 8 N/mm according to DIN ISO 34-1 B, comprises reaction of prepolymers (i) with cross linking components (ii) in a molded form, where (i) are isocyanate groups based on methylenediphenyldiisocyanate and polyetherdiol with a molecular weight of 1500-3000 g/mol based on propylene oxide and/or ethyleneoxide; and (ii) contains polyetheralcohol with a nominal functionality of 2-3 in relation to isocyanates and a molecular weight of 1500-6000 g/mol based on propylene oxide and/or ethyleneoxide; diol with a molecular weight of 62-499 g/mol; water; and catalysts, where (i) and (ii) are filled in a molded form by means of a high pressure machine, which exhibits a mixing head, into which (i) and (ii) are mixed and obtained product amounts to 15-60 g/s.

公开(公告)号：ES2307283T3

公开(公告)日：2008-11-16

申请号：ES06708423

申请日：2006-02-21

Applicant: BASF SE

Inventor： HANSEN RALF ,  JACKISCH PETER ,  MARTEN ELKE

IPC: C08G18/12 ,  C08G18/10 ,  C08G18/79 ,  F16F1/36

Abstract: Procedimiento para producir cuerpos de moldeo cilíndricos, sobre la base de elastómeros de poliuretano celulares que, con una densidad según la DIN EN ISO 1798 de entre 350 y 800 kg/m 3 , una resistencia a la tracción según la DIN EN ISO 1798 de >_ 2,0 N/mm 2 , un alargamiento a la rotura según la DIN EN ISO 1798 de >_ 200%, y una resistencia a las grandes grietas según la DIN ISO 34-1 B de >_ 8 N/mm, mediante transformación de un prepolímero (i) que presenta grupos de isocianato con un componente de reticulación (ii) en un molde, caracterizado porque el prepolímero (i) que presenta grupos de isocianato se basa en diisocianato difenil metileno (MDI) y (b1) poliéterdiol con un peso molecular de entre 1.500 g/mol y 3.000 g/mol sobre la base de óxido de propileno y/o óxido de etileno, y el componente de reticulación (ii) contiene (b2) poliéteralcohol con una funcionalidad nominal frente a isocianatos de 2 a 3 y un peso molecular de entre 1.500 g/mol y 6.000 g/mol sobre la base de óxido de propileno y/o óxido de etileno, así como (c2) diol con un peso molecular de entre 62 g/mol y 499 g/mol, (d) agua y (e) catalizadores, y se vierten en el molde el prepolímero (i) y el componente de reticulación (ii) mediante una máquina de alta presión que presenta una cabeza mezcladora, en la que se mezclan los componentes (i) e (ii), en donde la expulsión de cabeza mezcladora es de entre 15 y 60 g/s.

公开(公告)号：DE502006001028D1

公开(公告)日：2008-08-14

申请号：DE502006001028

申请日：2006-02-21

Applicant: BASF SE

Inventor： HANSEN RALF ,  JACKISCH PETER ,  MARTEN ELKE

IPC: C08G18/12 ,  C08G18/10 ,  C08G18/79 ,  F16F1/36

Abstract: Preparation of cylindrical molded bodies (I) based on cellular polyurethane elastomers with determined density, tensile strength, elongation and a tear resistance, comprises reaction of prepolymers (i) with cross linking components (ii) in a molded form, where (i) are isocyanate groups based on methylenediphenyldiisocyanate and polyetherdiol; and (ii) contains polyetheralcohol with a nominal functionality of 2-3; diol with a molecular weight of 62-499 g/mol; water; and catalysts. Preparation of cylindrical molded bodies (I) based on cellular polyurethane elastomers with a density of 350-900 kg/m 3> according to DIN EN ISO 1798, a tensile strength of >= 2 N/mm 2> according to DIN EN ISO 1798, elongation of >= 200% according to DIN EN ISO 1798 and a tear resistance of >= 8 N/mm according to DIN ISO 34-1 B, comprises reaction of prepolymers (i) with cross linking components (ii) in a molded form, where (i) are isocyanate groups based on methylenediphenyldiisocyanate and polyetherdiol with a molecular weight of 1500-3000 g/mol based on propylene oxide and/or ethyleneoxide; and (ii) contains polyetheralcohol with a nominal functionality of 2-3 in relation to isocyanates and a molecular weight of 1500-6000 g/mol based on propylene oxide and/or ethyleneoxide; diol with a molecular weight of 62-499 g/mol; water; and catalysts, where (i) and (ii) are filled in a molded form by means of a high pressure machine, which exhibits a mixing head, into which (i) and (ii) are mixed and obtained product amounts to 15-60 g/s.