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1. 发明授权

US07985780B2 Cylindrical mouldings based on cellular polyurethane elastomers 有权
标题翻译：基于细胞聚氨酯弹性体的圆柱形模制品
公开(公告)号：US07985780B2
公开(公告)日：2011-07-26
申请号：US11816325
申请日：2006-02-21
申请人： Elke Marten , Andreas Heidemann , Markus Schütte , Michael Strauβ , Heinrich Bollmann , Ralf Hansen
发明人： Elke Marten , Andreas Heidemann , Markus Schütte , Michael Strauβ , Heinrich Bollmann , Ralf Hansen
IPC分类号： C08G18/28
CPC分类号： F16F1/3605 , B60G2202/14 , B60G2204/41 , B60G2204/4502 , C08G18/12 , C08G18/6674 , C08G18/797 , C08G2101/0008 , C08G2101/0066 , C08G2350/00 , C08G2380/00 , Y10S521/914
摘要： A cylindrical molding based on cellular polyurethane elastomers having a density according to DIN EN ISO 845 of from 300 to 900 kg/m3, a tensile strength according to DIN EN ISO 1798 of ≧2.0 N/mm2, an elongation at break according to DIN EN ISO 1798 of ≧200% and a tear propagation resistance according to DIN ISO 34-1 B (b), of ≧8 N/mm, wherein the cellular polyurethane elastomer is based on the reaction (i) of a prepolymer having isocyanate groups and based on (a) methylenediphenyl diisocyanate (MDI) and (b1) polyetherdiol having a molecular weight of from 1500 g/mol to 3000 g/mol and based on propylene oxide and/or ethylene oxide, with (ii) a crosslinking component comprising (b2) polyetheralcohol having a nominal functionality with respect to isocyanates of from 2 to 3 and a molecular weight of from 1500 g/mol to 6000 g/mol and based on propylene oxide and/or ethylene oxide, (c2) diol having a molecular weight of from 62 g/mol to 499 g/mol, (d) water and (e) catalysts, the polyols (b) present in the cylindrical molding and comprising (b1) and (b2) having an average polyol molar mass of less than 3900 g/mol.
摘要翻译：基于多孔聚氨酯弹性体的圆柱形模制品，具有根据DIN EN ISO 845的密度为300至900kg / m 3，根据DIN EN ISO 1798的≧2.0N / mm 2的拉伸强度，根据DIN EN的断裂伸长率 ≥100％的ISO 1798和根据DIN ISO 34-1 B（b）的抗撕裂传播阻力≥8N/ mm，其中细胞聚氨酯弹性体是基于具有异氰酸酯基的预聚物的反应（i）基于（a）亚甲基二苯基二异氰酸酯（MDI）和（b1）分子量为1500g / mol至3000g / mol且基于环氧丙烷和/或环氧乙烷的聚醚二醇，（ii）交联组分包含（ b2）相对于2至3的异氰酸酯和分子量为1500g / mol至6000g / mol且基于环氧丙烷和/或环氧乙烷的具有标称官能度的聚醚醇，具有分子量的（c2）二醇为62g / mol至499g / mol，（d）水和（e）催化剂（b）存在于圆柱形模制品中，并且包含平均多元醇摩尔质量小于3900g / mol的（b1）和（b2）。

2. 发明申请

US20080164112A1 Cylindrical Mouldings Based On Cellular Polyurethane Elastomers 有权
公开(公告)号：US20080164112A1
公开(公告)日：2008-07-10
申请号：US11816325
申请日：2006-02-21
申请人： Elke Marten , Andreas Heidemann , Markus Schutte , Michael Strauss , Heinrich Bollmann , Ralf Hansen
发明人： Elke Marten , Andreas Heidemann , Markus Schutte , Michael Strauss , Heinrich Bollmann , Ralf Hansen
IPC分类号： C08G18/00 , F16F9/32
CPC分类号： F16F1/3605 , B60G2202/14 , B60G2204/41 , B60G2204/4502 , C08G18/12 , C08G18/6674 , C08G18/797 , C08G2101/0008 , C08G2101/0066 , C08G2350/00 , C08G2380/00 , Y10S521/914
摘要： A cylindrical molding based on cellular polyurethane elastomers having a density according to DIN EN ISO 845 of from 300 to 900 kg/m3, a tensile strength according to DIN EN ISO 1798 of ≧2.0 N/mm2, an elongation at break according to DIN EN ISO 1798 of ≧200% and a tear propagation resistance according to DIN ISO 34-1 B (b), of ≧8 N/mm, wherein the cellular polyurethane elastomer is based on the reaction (i) of a prepolymer having isocyanate groups and based on (a) methylenediphenyl diisocyanate (MDI) and (b1) polyetherdiol having a molecular weight of from 1500 g/mol to 3000 g/mol and based on propylene oxide and/or ethylene oxide, with (ii) a crosslinking component comprising (b2) polyetheralcohol having a nominal functionality with respect to isocyanates of from 2 to 3 and a molecular weight of from 1500 g/mol to 6000 g/mol and based on propylene oxide and/or ethylene oxide, (c2) diol having a molecular weight of from 62 g/mol to 499 g/mol, (d) water and (e) catalysts, the polyols (b) present in the cylindrical molding and comprising (b1) and (b2) having an average polyol molar mass of less than 3900 g/mol, the average polyol molar mass M(Polyol) being calculated according to the following formula: M _  ( Polyol ) = ( M b   11 · m b   11 + … + M b   1   n · m b   1  n  ) · W p + ( M b   21 · m b   21 + … + M b   2   n · m b   2   n ) · W v ( m b   11 + … + m b   1   n ) · W p + ( m b   21 + … + m b   2   n ) · W v having the following meanings: M(Polyol): Average polyol molar mass in g/mol Mb11 (or Mb1n): Molar mass of polyol b11 (or polyol b1n) in the prepolymer (i) in g/mol mb11 (or mb1n): Mass fraction of polyol b11 (or polyol b1n) in the prepolymer (i) in g/g WP: Mass fraction of the prepolymer (i) in the cylindrical molding in g/g Mb21 (or Mb2n): Molar mass of polyol b21 (or polyol b2n) in the crosslinking component (ii) in g/mol mb21 (or mb2n): Mass fraction of polyol b21 (or polyol b2n) in the crosslinking component (ii) in g/g WV: Mass fraction of the crosslinking component (ii) in the cylindrical molding in g/g.

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