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1.发明授权Cellulose ester compositions having low birefringence and films made therefrom 有权具有低双折射率的纤维素酯组合物和由其制成的薄膜公开(公告)号：US08710214B2
公开(公告)日：2014-04-29
申请号：US12634731
申请日：2009-12-10
申请人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Scott Kirkman
发明人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Scott Kirkman
CPC分类号： G02B5/3033 , C08B3/06 , C08B3/08 , C08B3/16 , C08J5/18 , C08J2301/14 , C08K5/0016 , C08L1/14
摘要： The present invention relates to cellulose esters having low hydroxyl content for use in optical applications, such as liquid crystal display (LCD) films. Films made with low hydroxyl levels and a given ratio of non-acetyl ester to hydroxyl level have been found to have low intrinsic birefringence. These films can be cast, molded, or otherwise oriented without an appreciable birefringence or optical distortion (i.e. retardation). Such features make these films useful in polarizer, protective, and compensator films as well as molded optical parts, such as lenses. Furthermore, it has also been found that resins of the present invention can also be made to have “+C plate” behavior either by melt or solvent based processing, a characteristic which is not typical of cellulose esters. Such +C behavior allows films to be produced having unique compensatory behavior. Other embodiments of the invention relate to methods melt casting films while minimizing birefringence formation.
摘要翻译： 本发明涉及用于光学应用的低羟基含量的纤维素酯，例如液晶显示（LCD）膜。 已经发现具有低羟基水平和给定比例的非乙酰酯与羟基水平的膜具有低固有双折射。 这些膜可以铸造，模制或以其他方式定向，而没有明显的双折射或光学变形（即延迟）。 这些特征使得这些膜可用于偏振器，保护膜和补偿膜以及模制的光学部件，例如透镜。 此外，还发现本发明的树脂也可以通过熔融或溶剂基加工制成具有“+ C板”的行为，这是不是典型的纤维素酯的特征。 这种+ C行为允许制作具有独特补偿行为的胶片。 本发明的其它实施方案涉及熔融流延膜的方法，同时最小化双折射形成。
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2.发明授权Cellulose ester compositions having low birefringence and films made therefrom comprising a plasticizer 有权具有低双折射率的纤维素酯组合物和由其制成的膜包含增塑剂公开(公告)号：US08735572B2
公开(公告)日：2014-05-27
申请号：US12634736
申请日：2009-12-10
申请人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
发明人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
CPC分类号： G02B5/3033 , C08B3/06 , C08B3/08 , C08B3/16 , C08J5/18 , C08J2301/14 , C08K5/0016 , C08L1/14
摘要： The present inventions relate to cellulose esters having low hydroxyl content for use in optical applications, such as liquid crystal display (LCD) films. Films with low hydroxyl levels and a given ratio of non-acetyl ester to hydroxyl level have low intrinsic birefringence. These films can be cast, molded, or otherwise oriented without an appreciable birefringence or optical distortion (i.e. retardation). These films are useful in polarizer, protective, and compensator films and in molded optical parts, such as lenses. The resins of the present inventions can also be made to have “+C plate” behavior either by melt or solvent based processing, which is uncharacteristic of cellulose esters. Such +C behavior allows films having unique compensatory behavior. Other embodiments of the invention relate to methods of melt casting films while minimizing birefringence. Another embodiment of the invention is directed to films made from the cellulose esters described herein further comprising a plasticizer.
摘要翻译： 本发明涉及用于光学应用的低羟基含量的纤维素酯，例如液晶显示（LCD）膜。 具有低羟基水平和给定比例的非乙酰酯与羟基水平的膜具有低固有双折射。 这些膜可以铸造，模制或以其他方式定向，而没有明显的双折射或光学变形（即延迟）。 这些膜可用于偏光镜，保护膜和补偿膜以及模制光学部件，例如透镜。 本发明的树脂也可以通过熔体或溶剂基处理制成具有“+ C”板的行为，这是纤维素酯的不合格的。 这种+ C行为允许电影具有独特的补偿行为。 本发明的其它实施方案涉及熔融浇铸薄膜的方法，同时最小化双折射。 本发明的另一个实施方案涉及由本文所述的纤维素酯制成的进一步包含增塑剂的薄膜。
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3.发明申请CELLULOSE ESTER COMPOSITIONS HAVING LOW BIFRINGENCE AND FILMS MADE THEREFROM COMPRISING A PLASTICIZER 有权具有低分子量的纤维素酯组合物及其包含增塑剂的膜公开(公告)号：US20100089288A1
公开(公告)日：2010-04-15
申请号：US12634736
申请日：2009-12-10
申请人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
发明人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
IPC分类号： C09D101/10
CPC分类号： G02B5/3033 , C08B3/06 , C08B3/08 , C08B3/16 , C08J5/18 , C08J2301/14 , C08K5/0016 , C08L1/14
摘要： The present inventions relate to cellulose esters having low hydroxyl content for use in optical applications, such as liquid crystal display (LCD) films. Films with low hydroxyl levels and a given ratio of non-acetyl ester to hydroxyl level have low intrinsic birefringence. These films can be cast, molded, or otherwise oriented without an appreciable birefringence or optical distortion (i.e. retardation). These films are useful in polarizer, protective, and compensator films and in molded optical parts, such as lenses. The resins of the present inventions can also be made to have “+C plate” behavior either by melt or solvent based processing, which is uncharacteristic of cellulose esters. Such +C behavior allows films having unique compensatory behavior. Other embodiments of the invention relate to methods of melt casting films while minimizing birefringence. Another embodiment of the invention is directed to films made from the cellulose esters described herein further comprising a plasticizer.
摘要翻译： 本发明涉及用于光学应用的低羟基含量的纤维素酯，例如液晶显示（LCD）膜。 具有低羟基水平和给定比例的非乙酰酯与羟基水平的膜具有低固有双折射。 这些膜可以铸造，模制或以其他方式定向，而没有明显的双折射或光学变形（即延迟）。 这些膜可用于偏光镜，保护膜和补偿膜以及模制光学部件，例如透镜。 本发明的树脂也可以通过熔体或溶剂基处理制成具有“+ C”板的行为，这是纤维素酯的不合格的。 这种+ C行为允许电影具有独特的补偿行为。 本发明的其它实施方案涉及熔融浇铸薄膜的方法，同时最小化双折射。 本发明的另一个实施方案涉及由本文所述的纤维素酯制成的进一步包含增塑剂的薄膜。
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4.发明授权Cellulose ester compositions having low birefringence and films made therefrom 有权具有低双折射率的纤维素酯组合物和由其制成的薄膜公开(公告)号：US08329893B2
公开(公告)日：2012-12-11
申请号：US12196333
申请日：2008-08-22
申请人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
发明人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
CPC分类号： G02B5/3033 , C08B3/06 , C08B3/08 , C08B3/16 , C08J5/18 , C08J2301/14 , C08K5/0016 , C08L1/14
摘要： The present invention relates to cellulose esters having low hydroxyl content for use in optical applications, such as liquid crystal display (LCD) films. Films made with low hydroxyl levels and a given ratio of non-acetyl ester to hydroxyl level have been found to have low intrinsic birefringence. Therefore, these films can be cast, molded, or otherwise oriented without an appreciable birefringence or optical distortion (i.e. retardation). Such features make these films useful in polarizer, protective, and compensator films as well as molded optical parts, such as lenses. Furthermore, it has also been found that resins of the present invention can also be made to have “+C plate” behavior either by melt or solvent based processing, a characteristic which is not typical of cellulose esters. Such +C behavior allows films to be produced having unique compensatory behavior. Other embodiments of the invention relate to methods melt casting films while minimizing birefringence formation.
摘要翻译： 本发明涉及用于光学应用的低羟基含量的纤维素酯，例如液晶显示（LCD）膜。 已经发现具有低羟基水平和给定比例的非乙酰酯与羟基水平的膜具有低固有双折射。 因此，这些膜可以铸造，模制或以其它方式取向，而没有明显的双折射或光学变形（即延迟）。 这些特征使得这些膜可用于偏振器，保护膜和补偿膜以及模制的光学部件，例如透镜。 此外，还发现本发明的树脂也可以通过基于熔体或溶剂的加工而具有+ C板的性能，这是不是典型的纤维素酯的特征。 这种+ C行为允许制作具有独特补偿行为的胶片。 本发明的其它实施方案涉及熔融流延膜的方法，同时最小化双折射形成。
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5.发明申请Cellulose Ester Compositions Having Low Bifringence and Films Made Therefrom Comprising a Plasticizer 有权具有低分数和低分子量的纤维素酯组合物包含增塑剂公开(公告)号：US20090050842A1
公开(公告)日：2009-02-26
申请号：US12196331
申请日：2008-08-22
申请人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
发明人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
IPC分类号： C09K3/00
CPC分类号： G02B5/3033 , C08B3/06 , C08B3/08 , C08B3/16 , C08J5/18 , C08J2301/14 , C08K5/0016 , C08L1/14
摘要： The present invention relates to cellulose esters having low hydroxyl content for use in optical applications, such as liquid crystal display (LCD) films. Films made with low hydroxyl levels and a given ratio of non-acetyl ester to hydroxyl level have been found to have low intrinsic birefringence. Therefore, these films can be cast, molded, or otherwise oriented without an appreciable birefringence or optical distortion (i.e. retardation). Such features make these films useful in polarizer, protective, and compensator films as well as molded optical parts, such as lenses. Furthermore, it has also been found that resins of the present invention can also be made to have “+C plate” behavior either by melt or solvent based processing, a characteristic which is not typical of cellulose esters. Such +C behavior allows films to be produced having unique compensatory behavior. Other embodiments of the invention relate to methods melt casting films while minimizing birefringence formation. Another embodiment of the invention is directed to films made from the cellulose esters described herein further comprising a plasticizer.
摘要翻译： 本发明涉及用于光学应用的低羟基含量的纤维素酯，例如液晶显示（LCD）膜。 已经发现具有低羟基水平和给定比例的非乙酰酯与羟基水平的膜具有低固有双折射。 因此，这些膜可以铸造，模制或以其它方式取向，而没有明显的双折射或光学变形（即延迟）。 这些特征使得这些膜可用于偏振器，保护膜和补偿膜以及模制的光学部件，例如透镜。 此外，还发现本发明的树脂也可以通过熔体或溶剂基加工制成具有“+ C板”的行为，这是不是典型的纤维素酯的特征。 这种+ C行为允许制作具有独特补偿行为的胶片。 本发明的其它实施方案涉及熔融流延膜的方法，同时最小化双折射形成。 本发明的另一个实施方案涉及由本文所述的纤维素酯制成的进一步包含增塑剂的薄膜。
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6.发明授权Cellulose ester compositions having low birefringence and films made therefrom comprising a plasticizer 有权具有低双折射率的纤维素酯组合物和由其制成的膜包含增塑剂公开(公告)号：US08344134B2
公开(公告)日：2013-01-01
申请号：US12196331
申请日：2008-08-22
申请人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
发明人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
CPC分类号： G02B5/3033 , C08B3/06 , C08B3/08 , C08B3/16 , C08J5/18 , C08J2301/14 , C08K5/0016 , C08L1/14
摘要： The present invention relates to cellulose esters having low hydroxyl content for use in optical applications, such as liquid crystal display (LCD) films. Films made with low hydroxyl levels and a given ratio of non-acetyl ester to hydroxyl level have been found to have low intrinsic birefringence. Therefore, these films can be cast, molded, or otherwise oriented without an appreciable birefringence or optical distortion (i.e. retardation). Such features make these films useful in polarizer, protective, and compensator films as well as molded optical parts, such as lenses. Furthermore, it has also been found that resins of the present invention can also be made to have “+C plate” behavior either by melt or solvent based processing, a characteristic which is not typical of cellulose esters. Such +C behavior allows films to be produced having unique compensatory behavior. Other embodiments of the invention relate to methods melt casting films while minimizing birefringence formation. Another embodiment of the invention is directed to films made from the cellulose esters described herein further comprising a plasticizer.
摘要翻译： 本发明涉及用于光学应用的低羟基含量的纤维素酯，例如液晶显示（LCD）膜。 已经发现具有低羟基水平和给定比例的非乙酰酯与羟基水平的膜具有低固有双折射。 因此，这些膜可以铸造，模制或以其它方式取向，而没有明显的双折射或光学变形（即延迟）。 这些特征使得这些膜可用于偏振器，保护膜和补偿膜以及模制的光学部件，例如透镜。 此外，还发现本发明的树脂也可以通过基于熔体或溶剂的加工而具有+ C板的性能，这是不是典型的纤维素酯的特征。 这种+ C行为允许制作具有独特补偿行为的胶片。 本发明的其它实施方案涉及熔融流延膜的方法，同时最小化双折射形成。 本发明的另一个实施方案涉及由本文所述的纤维素酯制成的进一步包含增塑剂的薄膜。
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7.发明申请公开(公告)号：US20100093996A1
公开(公告)日：2010-04-15
申请号：US12634731
申请日：2009-12-10
申请人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
发明人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
CPC分类号： G02B5/3033 , C08B3/06 , C08B3/08 , C08B3/16 , C08J5/18 , C08J2301/14 , C08K5/0016 , C08L1/14
摘要： The present invention relates to cellulose esters having low hydroxyl content for use in optical applications, such as liquid crystal display (LCD) films. Films made with low hydroxyl levels and a given ratio of non-acetyl ester to hydroxyl level have been found to have low intrinsic birefringence. These films can be cast, molded, or otherwise oriented without an appreciable birefringence or optical distortion (i.e. retardation). Such features make these films useful in polarizer, protective, and compensator films as well as molded optical parts, such as lenses. Furthermore, it has also been found that resins of the present invention can also be made to have “+C plate” behavior either by melt or solvent based processing, a characteristic which is not typical of cellulose esters. Such +C behavior allows films to be produced having unique compensatory behavior. Other embodiments of the invention relate to methods melt casting films while minimizing birefringence formation.
摘要翻译： 本发明涉及用于光学应用的低羟基含量的纤维素酯，例如液晶显示（LCD）膜。 已经发现具有低羟基水平和给定比例的非乙酰酯与羟基水平的膜具有低固有双折射。 这些膜可以铸造，模制或以其他方式定向，而没有明显的双折射或光学变形（即延迟）。 这些特征使得这些膜可用于偏振器，保护膜和补偿膜以及模制的光学部件，例如透镜。 此外，还发现本发明的树脂也可以通过熔融或溶剂基加工制成具有“+ C板”的行为，这是不是典型的纤维素酯的特征。 这种+ C行为允许制作具有独特补偿行为的胶片。 本发明的其它实施方案涉及熔融流延膜的方法，同时最小化双折射形成。
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8.发明申请公开(公告)号：US20090054638A1
公开(公告)日：2009-02-26
申请号：US12196333
申请日：2008-08-22
申请人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
发明人： Marcus David Shelby , Michael Eugene Donelson , Bradley Howard Dayvolt , Alan Kent Wilson , Bryan Kirkman
IPC分类号： C08B3/16
CPC分类号： G02B5/3033 , C08B3/06 , C08B3/08 , C08B3/16 , C08J5/18 , C08J2301/14 , C08K5/0016 , C08L1/14
摘要： The present invention relates to cellulose esters having low hydroxyl content for use in optical applications, such as liquid crystal display (LCD) films. Films made with low hydroxyl levels and a given ratio of non-acetyl ester to hydroxyl level have been found to have low intrinsic birefringence. Therefore, these films can be cast, molded, or otherwise oriented without an appreciable birefringence or optical distortion (i.e. retardation). Such features make these films useful in polarizer, protective, and compensator films as well as molded optical parts, such as lenses. Furthermore, it has also been found that resins of the present invention can also be made to have “+C plate” behavior either by melt or solvent based processing, a characteristic which is not typical of cellulose esters. Such +C behavior allows films to be produced having unique compensatory behavior. Other embodiments of the invention relate to methods melt casting films while minimizing birefringence formation.
摘要翻译： 本发明涉及用于光学应用的低羟基含量的纤维素酯，例如液晶显示（LCD）膜。 已经发现具有低羟基水平和给定比例的非乙酰酯与羟基水平的膜具有低固有双折射。 因此，这些膜可以铸造，模制或以其它方式取向，而没有明显的双折射或光学变形（即延迟）。 这些特征使得这些膜可用于偏振器，保护膜和补偿膜以及模制的光学部件，例如透镜。 此外，还发现本发明的树脂也可以通过熔体或溶剂基加工制成具有“+ C板”的行为，这是不是典型的纤维素酯的特征。 这种+ C行为允许制作具有独特补偿行为的胶片。 本发明的其它实施方案涉及熔融流延膜的方法，同时最小化双折射形成。
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