公开(公告)号：US06495631B1

公开(公告)日：2002-12-17

申请号：US09290127

申请日：1999-04-12

申请人： Jed Richard Randall ,  Christopher Michael Ryan ,  James Lunt ,  Mark Henry Hartman ,  Eric Stanley Hall ,  Jeffrey John Kolstad ,  David Roy Witzke

发明人： Jed Richard Randall ,  Christopher Michael Ryan ,  James Lunt ,  Mark Henry Hartman ,  Eric Stanley Hall ,  Jeffrey John Kolstad ,  David Roy Witzke

IPC分类号： C08L700

CPC分类号： C08L67/04 ,  C08L2666/02 ,  C08L2666/08

摘要： The invention is directed toward melt-processable lactide polymer compositions, processes for manufacturing these compositions, and articles made from these compositions. The compositions include a first phase, which contains a polylactide-based polymer, and a second phase which includes elastomer. The elastomer is present in an amount sufficient to provide a polymer composition having an impact resistance of at least about 0.7 ft-lb/in. after the melt-processable polymer composition has been injection molded into bars and tested according to ASTM D256 (1993) method C. Preferably, the compositions also include a reactive compatibilizing agent. Methods of making these compositions and articles made from these compositions are also disclosed.

摘要翻译： 本发明涉及可熔融加工的丙交酯聚合物组合物，制备这些组合物的方法，以及由这些组合物制成的制品。 组合物包括含有聚丙交酯的聚合物的第一相和包含弹性体的第二相。 弹性体的存在量足以提供具有至少约0.7ft-lb / in的耐冲击性的聚合物组合物。 在可熔融加工的聚合物组合物已经注塑成棒并根据ASTM D256（1993）方法C进行测试之后。优选地，组合物还包括反应性相容剂。 还公开了由这些组合物制成这些组合物和制品的方法。

公开(公告)号：US5922832A

公开(公告)日：1999-07-13

申请号：US958228

申请日：1997-10-27

申请人： Jed Richard Randall ,  Christopher Michael Ryan ,  James Lunt ,  Mark Henry Hartman ,  Eric Stanley Hall ,  Jeffrey John Kolstad ,  David Roy Witzke

发明人： Jed Richard Randall ,  Christopher Michael Ryan ,  James Lunt ,  Mark Henry Hartman ,  Eric Stanley Hall ,  Jeffrey John Kolstad ,  David Roy Witzke

IPC分类号： C08L67/04 ,  C08G63/08

CPC分类号： C08L67/04

摘要： The invention is directed toward melt-processable lactide polymer compositions, processes for manufacturing these compositions, and articles made from these compositions. The compositions include a first phase, which contains a polylactide-based polymer, and a second phase which includes elastomer. The elastomer is present in an amount sufficient to provide a polymer composition having an impact resistance of at least about 0.7 ft-lb/in. after the melt-processable polymer composition has been injection molded into bars and tested according to ASTM D256 (1993) method C. Preferably, the compositions also include a reactive compatibilizing agent. Methods of making these compositions and articles made from these compositions are also disclosed.

公开(公告)号：US5798435A

公开(公告)日：1998-08-25

申请号：US707245

申请日：1996-09-03

申请人： Patrick Richard Gruber ,  Jeffrey John Kolstad ,  David Roy Witzke ,  Mark Henry Hartmann ,  Andrea Lee Brosch

发明人： Patrick Richard Gruber ,  Jeffrey John Kolstad ,  David Roy Witzke ,  Mark Henry Hartmann ,  Andrea Lee Brosch

IPC分类号： A61F13/15 ,  A61F13/49 ,  A61F13/551 ,  B29C45/00 ,  B29C49/00 ,  B29C51/00 ,  B29K67/00 ,  C08F290/00 ,  C08F299/04 ,  C08G18/42 ,  C08G59/40 ,  C08G63/08 ,  C08G63/78 ,  C08G63/91 ,  C08J3/24 ,  C08J5/18 ,  C08L67/04 ,  D04H1/42 ,  D21H19/24

CPC分类号： C08G63/08 ,  Y10T428/31786 ,  Y10T428/3179 ,  Y10T442/60

摘要： A composition comprising a polylactide polymer with improved extensional viscosity and methods of making the same are disclosed. The polylactide polymer composition is prepared by providing in the composition polylactide polymer molecules which have been modified, relative to linear non-substituted polylactide, to provide increased molecular interaction among polylactide backbone chains in the composition. The preferred polylactide polymer composition has a number average molecular weight of at least about 10,000 (preferably at least 50,000) and a polydispersity of at least about 2.5. In addition, the polylactide polymer composition should have a neck-in ratio of less than about 0.8.

公开(公告)号：US06291597B1

公开(公告)日：2001-09-18

申请号：US09400616

申请日：1999-09-20

申请人： Patrick Richard Gruber ,  Jeffrey John Kolstad ,  David Roy Witzke ,  Mark Henry Hartmann ,  Andrea Lee Brosch

发明人： Patrick Richard Gruber ,  Jeffrey John Kolstad ,  David Roy Witzke ,  Mark Henry Hartmann ,  Andrea Lee Brosch

IPC分类号： C08G6308

CPC分类号： C08G63/08 ,  Y10T428/31786 ,  Y10T428/3179 ,  Y10T442/60

摘要： A composition comprising a polylactide polymer with improved extensional viscosity and methods of making the same are disclosed. The polylactide polymer composition is prepared by providing in the composition polylactide polymer molecules which have been modified, relative to linear non-substituted polylactide, to provide increased molecular interaction among polylactide backbone chains in the composition. The preferred polylactide polymer composition has a number average molecular weight of at least about 10,000 (preferably at least 50,000) and a polydispersity of at least about 2.5. In addition, the polylactide polymer composition should have a neck-in ratio of less than about 0.8.

摘要翻译： 公开了包含具有改进的拉伸粘度的聚丙交酯聚合物的组合物及其制备方法。 聚丙交酯聚合物组合物通过在组合物中提供相对于线性未取代的聚交酯改性的聚丙交酯聚合物分子来制备，以在组合物中的聚交酯骨架链之间提供增加的分子相互作用。 优选的聚丙交酯聚合物组合物具有至少约10,000（优选至少50,000）的数均分子量和至多约2.5的多分散性。 另外，聚丙交酯聚合物组合物的颈缩比应小于约0.8。

公开(公告)号：US5998552A

公开(公告)日：1999-12-07

申请号：US119141

申请日：1998-07-20

申请人： Patrick Richard Gruber ,  Jeffrey John Kolstad ,  David Roy Witzke ,  Mark Henry Hartmann ,  Andrea Lee Brosch

发明人： Patrick Richard Gruber ,  Jeffrey John Kolstad ,  David Roy Witzke ,  Mark Henry Hartmann ,  Andrea Lee Brosch

IPC分类号： A61F13/15 ,  A61F13/49 ,  A61F13/551 ,  B29C45/00 ,  B29C49/00 ,  B29C51/00 ,  B29K67/00 ,  C08F290/00 ,  C08F299/04 ,  C08G18/42 ,  C08G59/40 ,  C08G63/08 ,  C08G63/78 ,  C08G63/91 ,  C08J3/24 ,  C08J5/18 ,  C08L67/04 ,  D04H1/42 ,  D21H19/24

CPC分类号： C08G63/08 ,  Y10T428/31786 ,  Y10T428/3179 ,  Y10T442/60

摘要： A composition comprising a polylactide polymer with improved extensional viscosity and methods of making the same are disclosed. The polylactide polymer composition is prepared by providing in the composition polylactide polymer molecules which have been modified, relative to linear non-substituted polylactide, to provide increased molecular interaction among polylactide backbone chains in the composition. The preferred polylactide polymer composition has a number average molecular weight of at least about 10,000 (preferably at least 50,000) and a polydispersity of at least about 2.5. In addition, the polylactide polymer composition should have a neck-in ratio of less than about 0.8.

摘要翻译： 公开了包含具有改进的拉伸粘度的聚丙交酯聚合物的组合物及其制备方法。 聚丙交酯聚合物组合物通过在组合物中提供相对于线性未取代的聚交酯改性的聚丙交酯聚合物分子来制备，以在组合物中的聚交酯骨架链之间提供增加的分子相互作用。 优选的聚丙交酯聚合物组合物具有至少约10,000（优选至少50,000）的数均分子量和至多约2.5的多分散性。 另外，聚丙交酯聚合物组合物的颈缩比应小于约0.8。