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公开(公告)号：US20190192784A1
公开(公告)日：2019-06-27
申请号：US16227517
申请日：2018-12-20
申请人： Patrick T. Mather , Pine Yang
发明人： Patrick T. Mather , Pine Yang
CPC分类号： A61M5/329 , A61M2005/3212 , A61M2005/3284 , A61M2205/0266 , A61M2207/00 , B29C48/0022 , B29C48/06 , B29C48/09 , B29C48/92 , B29C2948/92704 , B29D23/001 , B29K2033/12 , B29K2995/0012 , B29L2031/7544
摘要： A needle having shaft that forms a tip and a portion proximate to the tip that is formed from a shape memory polymer. The shaft of the needle may be programmed to curl from a straight configuration to a curved configuration upon triggering by heat, thereby moving the sharp tip and providing a non-stick needle for safe and easy disposal.
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公开(公告)号：US10252009B2
公开(公告)日：2019-04-09
申请号：US14783423
申请日：2014-04-08
发明人： Patrick T. Mather , Pine Yang
摘要： A needle having shaft that forms a tip and a portion proximate to the tip that is formed from a shape memory polymer. The shaft of the needle may be programmed to curl from a straight configuration to a curved configuration upon triggering by heat, thereby moving the sharp tip and providing a non-stick needle for safe and easy disposal.
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公开(公告)号：US20170297258A1
公开(公告)日：2017-10-19
申请号：US15446487
申请日：2017-03-01
申请人： Patrick Mather , Pine Yang , Xiaofan Luo , Andrew M. DiOrio
发明人： Patrick Mather , Pine Yang , Xiaofan Luo , Andrew M. DiOrio
IPC分类号： B29C61/06 , C08F220/12 , C08F220/14 , C08L71/02 , C08L63/00 , C08L75/04
CPC分类号： B29C61/06 , C08F220/12 , C08F220/14 , C08G2280/00 , C08L63/00 , C08L71/02 , C08L75/04 , C08L2205/05 , Y10T428/24479 , Y10T428/24628 , Y10T428/24983 , C08L33/04
摘要： A functionally graded shape memory polymer (SMP) that has a range of transition temperatures that are spatially distributed in a gradient fashion within one single article. The SMP is formed by post-curing a pre-cured glassy SMP in a linear temperature gradient that imposes different vitrification temperature limits at different positions along the gradient. Utilizing indentation-based surface shape memory coupled with optical measurements of photoelastic response, the capability of this material to respond over a wide range of thermal triggers is correlated with the graded glass transition behavior. This new class of SMP offers great potential for such applications as passive temperature sensing and precise control of shape evolution during a thermally triggered shape recovery.
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公开(公告)号：US20160074597A1
公开(公告)日：2016-03-17
申请号：US14783423
申请日：2014-04-08
发明人： Patrick T. Mather , Pine Yang
CPC分类号： A61M5/329 , A61M2005/3212 , A61M2005/3284 , A61M2205/0266 , A61M2207/00 , B29C47/0016 , B29C47/0023 , B29C47/0066 , B29C47/92 , B29C2947/92704 , B29D23/001 , B29K2033/12 , B29K2995/0012 , B29L2031/7544
摘要： A needle having shaft that forms a tip and a portion proximate to the tip that is formed from a shape memory polymer. The shaft of the needle may be programmed to curl from a straight configuration to a curved configuration upon triggering by heat, thereby moving the sharp tip and providing a non-stick needle for safe and easy disposal.
摘要翻译： 具有形成尖端的轴和靠近尖端的由形状记忆聚合物形成的部分的针。 针的轴可被编程为在通过热触发时从直线构型卷曲成弯曲构型，从而移动尖端并提供不粘针，以便于安全和容易地处理。
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公开(公告)号：US20120213969A1
公开(公告)日：2012-08-23
申请号：US13401606
申请日：2012-02-21
申请人： Patrick Mather , Pine Yang , Xiaofan Luo , Andrew M. DiOrio
发明人： Patrick Mather , Pine Yang , Xiaofan Luo , Andrew M. DiOrio
IPC分类号： B32B7/02 , C08F220/14 , C08G65/08 , C08G63/127 , C08F12/08 , C08G18/06 , C08F14/06 , C08F220/12 , C08F2/48 , C08J3/28 , C08G63/78 , C08G18/08 , B32B27/08 , B32B15/08 , B32B33/00 , C08G65/34
CPC分类号： B29C61/06 , C08F220/12 , C08F220/14 , C08G2280/00 , C08L63/00 , C08L71/02 , C08L75/04 , C08L2205/05 , Y10T428/24479 , Y10T428/24628 , Y10T428/24983 , C08L33/04
摘要： A functionally graded shape memory polymer (SMP) that has a range of transition temperatures that are spatially distributed in a gradient fashion within one single article. The SMP is formed by post-curing a pre-cured glassy SMP in a linear temperature gradient that imposes different vitrification temperature limits at different positions along the gradient. Utilizing indentation-based surface shape memory coupled with optical measurements of photoelastic response, the capability of this material to respond over a wide range of thermal triggers is correlated with the graded glass transition behavior. This new class of SMP offers great potential for such applications as passive temperature sensing and precise control of shape evolution during a thermally triggered shape recovery.
摘要翻译： 功能梯度的形状记忆聚合物（SMP），其具有在一个单一制品内以梯度方式空间分布的转变温度范围。 SMP通过在线性温度梯度下固化预固化的玻璃状SMP而形成，该梯度在梯度的不同位置施加不同的玻璃化温度极限。 利用基于压痕的表面形状记忆耦合光弹性响应的光学测量，该材料在宽范围的热触发器上的响应能力与渐变玻璃化转变行为相关。 这种新型的SMP在热触发形状恢复期间为诸如被动温度感测和形状演化的精确控制等应用提供了巨大的潜力。
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