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1. 发明授权

US07588830B2 Heat shrinkable films containing single site catalyzed copolymers 失效
标题翻译：含有单位点催化共聚物的热收缩膜
公开(公告)号：US07588830B2
公开(公告)日：2009-09-15
申请号：US10370834
申请日：2003-02-21
申请人： Kelly R. Ahlgren , Robert Babrowicz , Solomon Bekele , Blaine C. Childress , Marvin R. Havens , Ronald D. Moffitt , Gautam P. Shah , George D. Wofford
发明人： Kelly R. Ahlgren , Robert Babrowicz , Solomon Bekele , Blaine C. Childress , Marvin R. Havens , Ronald D. Moffitt , Gautam P. Shah , George D. Wofford
IPC分类号： B32B27/08
CPC分类号： B32B27/32 , B32B27/08 , B32B27/304 , B32B27/306 , B32B27/308 , B32B27/34 , B32B2307/31 , B32B2307/72 , B32B2307/736 , C08J5/18 , C08J2323/08 , C08L23/0815 , C08L2205/02 , C08L2205/03 , C08L2314/06 , Y10S526/943 , Y10T428/1328 , Y10T428/1334 , Y10T428/1341 , Y10T428/26 , Y10T428/266 , Y10T428/2826 , Y10T428/31855 , Y10T428/31909 , Y10T428/31913 , Y10T428/31928 , Y10T428/31938 , C08L2666/02 , C08L2666/06
摘要： The present invention is directed to a heat-shrinkable, thermoplastic film or bag which contains at least one homogeneous ethylene alpha-olefin copolymer having a density of at least 0.90 g/cc. Oriented films made in accordance with the present invention exhibit improved optics and improved impact resistance. A homogeneous ethylene alpha-olefin may be present in a monolayer film either alone or in a blend or may be included in one or more layers of a multilayer film in accordance with the present invention.
摘要翻译：本发明涉及一种含有至少一种密度至少为0.90g / cc的均匀乙烯α-烯烃共聚物的热收缩热塑性薄膜或袋。根据本发明制造的取向薄膜表现出改进的光学性能和改进的耐冲击性。均匀的乙烯α-烯烃可以单独存在或在共混物中存在于单层膜中，或者可以包含在根据本发明的多层膜的一层或多层中。

2. 发明授权

US06514583B1 High impact strength film containing single site catalyzed copolymer 失效
标题翻译：含有单位点催化共聚物的高冲击强度膜
公开(公告)号：US06514583B1
公开(公告)日：2003-02-04
申请号：US08932946
申请日：1997-09-17
申请人： Kelly R. Ahlgren , Robert Babrowicz , Solomon Bekele , Blaine C. Childress , Marvin R. Havens , Vincent W. Herran , Ronald D. Moffitt , Gautam P. Shah , George D. Wofford
发明人： Kelly R. Ahlgren , Robert Babrowicz , Solomon Bekele , Blaine C. Childress , Marvin R. Havens , Vincent W. Herran , Ronald D. Moffitt , Gautam P. Shah , George D. Wofford
IPC分类号： B32B2732
CPC分类号： B32B27/32 , B32B27/08 , B32B27/304 , B32B27/306 , B32B27/308 , B32B27/34 , B32B2307/31 , B32B2307/72 , B32B2307/736 , C08J5/18 , C08J2323/08 , C08L23/0815 , C08L2205/02 , C08L2205/03 , C08L2314/06 , Y10S526/943 , Y10T428/1328 , Y10T428/1334 , Y10T428/1341 , Y10T428/26 , Y10T428/266 , Y10T428/2826 , Y10T428/31855 , Y10T428/31909 , Y10T428/31913 , Y10T428/31928 , Y10T428/31938 , C08L2666/02 , C08L2666/06
摘要： A heat-shrinkable film containing a homogeneous ethylene/alpha-olefin copolymer has a high impact strength and a high free shrink. The film can be a monolayer film or multilayer film, with the homogeneous ethylene/alpha-olefin copolymer present alone or in a blend, and in one or more film layers. The film is especially suited for use in heat-shrinkable bags, which can be used for the packaging of various products, especially meat.
摘要翻译：含有均匀乙烯/α-烯烃共聚物的热收缩膜具有高冲击强度和高自由收缩。膜可以是单层膜或多层膜，其中均匀的乙烯/α-烯烃共聚物单独存在或以共混物存在，并且在一个或多个膜层中。该薄膜特别适用于热收缩袋，可用于各种产品，特别是肉类的包装。

3. 发明授权

US5604043A Heat shrinkable films containing single site catalyzed copolymers having long chain branching 失效
标题翻译：含有具有长链支化的单位点催化共聚物的热收缩膜
公开(公告)号：US5604043A
公开(公告)日：1997-02-18
申请号：US124179
申请日：1993-09-20
申请人： Kelly R. Ahlgren
发明人： Kelly R. Ahlgren
IPC分类号： B65D65/40 , B32B27/32 , C08F210/16 , C08J5/18 , B32B27/08
CPC分类号： C08J5/18 , B32B27/32 , C08F210/16 , C08J2323/08 , Y10T428/1328 , Y10T428/1379 , Y10T428/1383 , Y10T428/31909 , Y10T428/31913 , Y10T428/31917 , Y10T428/3192
摘要： The present invention is directed to a heat-shrinkable, thermoplastic film or bag which contains at least one homogeneous ethylene alpha-olefin copolymer with long chain branching. Oriented films made in accordance with the present invention exhibit improved processability as well as improved physical properties such as resistance.
摘要翻译：本发明涉及一种包含至少一种具有长链支化的均相乙烯α-烯烃共聚物的热收缩热塑性薄膜或袋。根据本发明制备的定向膜显示出改善的加工性能以及改善的物理性质如电阻。

4. 发明授权

US08021759B1 Heat shrinkable films containing single site catalyzed copolymers 失效
标题翻译：含有单位点催化共聚物的热收缩膜
公开(公告)号：US08021759B1
公开(公告)日：2011-09-20
申请号：US08996367
申请日：1997-12-22
申请人： Kelly R. Ahlgren , Robert Babrowicz , Solomon Bekele , Blaine C. Childress , Marvin R. Havens , Vincent W. Herran , Ronald D. Moffitt , Gautam P. Shah , George D. Wofford
发明人： Kelly R. Ahlgren , Robert Babrowicz , Solomon Bekele , Blaine C. Childress , Marvin R. Havens , Vincent W. Herran , Ronald D. Moffitt , Gautam P. Shah , George D. Wofford
IPC分类号： B32B27/32
CPC分类号： B32B27/32 , B32B27/08 , B32B27/304 , B32B27/306 , B32B27/308 , B32B27/34 , B32B2307/31 , B32B2307/72 , B32B2307/736 , C08J5/18 , C08J2323/08 , C08L23/0815 , C08L2205/02 , C08L2205/03 , C08L2314/06 , Y10S526/943 , Y10T428/1328 , Y10T428/1334 , Y10T428/1341 , Y10T428/26 , Y10T428/266 , Y10T428/2826 , Y10T428/31855 , Y10T428/31909 , Y10T428/31913 , Y10T428/31928 , Y10T428/31938 , C08L2666/02 , C08L2666/06
摘要： The present invention is directed to a heat-shrinkable, thermoplastic film or bag which contains at least one homogeneous ethylene alpha-olefin copolymer having a density of at least 0.90 g/cc. Oriented films made in accordance with the present invention exhibit improved optics and improved impact resistance. A homogeneous ethylene alpha-olefin may be present in a monolayer film either alone or in a blend or may be included in one or more layers of a multilayer film in accordance with the present invention.
摘要翻译：本发明涉及一种含有至少一种密度至少为0.90g / cc的均匀乙烯α-烯烃共聚物的热收缩热塑性薄膜或袋。根据本发明制造的取向薄膜表现出改进的光学性能和改进的耐冲击性。均匀的乙烯α-烯烃可以单独存在或在共混物中存在于单层膜中，或者可以包含在根据本发明的多层膜的一层或多层中。

5. 发明授权

US06203750B1 Method for making a heat-shrinkable film containing a layer of crystalline polyamides 失效
标题翻译：制备含有结晶聚酰胺层的热收缩膜的方法
公开(公告)号：US06203750B1
公开(公告)日：2001-03-20
申请号：US08789528
申请日：1997-01-27
申请人： Kelly R. Ahlgren , Ram K. Ramesh
发明人： Kelly R. Ahlgren , Ram K. Ramesh
IPC分类号： B29C4788
CPC分类号： B32B27/34 , A22C13/0013 , A22C2013/002 , A22C2013/0053 , A22C2013/0059 , A22C2013/0083 , A22C2013/0086 , B29C47/0026 , B29C47/061 , B29C55/28 , B29K2077/00 , B29K2995/0049 , B29L2009/00 , B29L2031/712 , C08L77/00 , C08L77/02 , C08L77/06 , C08L23/00
摘要： A process of making a biaxially-oriented multilayer film, comprises extruding a tubular multilayer tape and inflating the tape so that the tape is biaxially oriented by stretching in the transverse direction and machine direction at the same time, so that a tubular multilayer film is formed. The tubular multilayer tape comprises: (i) a first layer comprising a composition comprising a first polyamide and at least one member selected from the group consisting of a first polyolefin and a second polyamide, wherein the first polyamide comprises at least one member selected from the group consisting of nylon 6, nylon 66, and nylon 6/66, and wherein the first polyolefin and the second polyamide each has a different crystal structure than the first polyamide, and wherein the first layer has a thickness of less than about 15 percent, based on a total thickness of the tape; (ii) a second layer comprising a second polyolefin; (iii) a third layer which is an O2-barrier layer comprising at least one member selected from the group consisting of ethylene/vinyl alcohol copolymer, polyvinylidene chloride, and polyalkylene carbonate, the third film layer having a thickness of less than about 15 percent, based on a total thickness of the tape; and (iv) a fourth layer comprising a third polyolefin.
摘要翻译：制造双轴取向多层膜的方法包括挤出管状多层带并使带充气，从而使带通过沿横向和机器方向同时拉伸双轴取向，从而形成管状多层膜。管状多层胶带包括：（i）第一层，其包含包含第一聚酰胺和至少一种选自第一聚烯烃和第二聚酰胺的成分的组合物，其中所述第一聚酰胺包含至少一种选自由尼龙6，尼龙66和尼龙6/66组成的组，其中第一聚烯烃和第二聚酰胺各自具有与第一聚酰胺不同的晶体结构，并且其中第一层的厚度小于约15％基于胶带的总厚度; （ii）包含第二聚烯烃的第二层; （iii）第三层，其是包含选自乙烯/乙烯醇共聚物，聚偏二氯乙烯和聚亚烷基碳酸酯中的至少一种的O 2阻挡层，第三膜层的厚度小于约15％，基于胶带的总厚度; 和（iv）包含第三聚烯烃的第四层。

6. 发明授权

US08017231B1 Heat shrinkable films containing single site catalyzed copolymers having long chain branching 失效
标题翻译：含有具有长链支化的单位点催化共聚物的热收缩膜
公开(公告)号：US08017231B1
公开(公告)日：2011-09-13
申请号：US09583654
申请日：2000-05-30
申请人： Kelly R. Ahlgren , Robert Babrowicz , Solomon Bekele , Blaine C. Childress , Marvin R. Havens , Ronald D. Moffitt , Gautam P. Shah , George D. Wofford
发明人： Kelly R. Ahlgren , Robert Babrowicz , Solomon Bekele , Blaine C. Childress , Marvin R. Havens , Ronald D. Moffitt , Gautam P. Shah , George D. Wofford
IPC分类号： B32B27/32
CPC分类号： B32B27/32 , B32B27/08 , B32B27/304 , B32B27/306 , B32B27/308 , B32B27/34 , B32B2307/31 , B32B2307/72 , B32B2307/736 , C08J5/18 , C08J2323/08 , C08L23/0815 , C08L2205/02 , C08L2205/03 , C08L2314/06 , Y10S526/943 , Y10T428/1328 , Y10T428/1334 , Y10T428/1341 , Y10T428/26 , Y10T428/266 , Y10T428/2826 , Y10T428/31855 , Y10T428/31909 , Y10T428/31913 , Y10T428/31928 , Y10T428/31938 , C08L2666/02 , C08L2666/06
摘要： The present invention is directed to a heat-shrinkable, thermoplastic film or bag which contains at least one homogeneous ethylene alpha-olefin copolymer with at least some limited long chain branching. Oriented films made in accordance with the present invention exhibit improved processability as well as improved physical properties such as excellent optics and impact resistance. A homogeneous ethylene alpha-olefin with long chain branching may be present in a monolayer film either alone or in a blend or may be included in one or more layers of a multilayer film in accordance with the present invention.
摘要翻译：本发明涉及一种热收缩的热塑性薄膜或袋，其含有至少一种具有至少一些有限长链支化的均相乙烯α-烯烃共聚物。根据本发明制备的定向膜显示出改进的加工性能以及改善的物理性能，例如优异的光学和耐冲击性。具有长链支化的均相乙烯α-烯烃可以单独或混合物存在于单层膜中，或者可以包含在根据本发明的多层膜的一层或多层中。

7. 发明授权

US07051493B2 High modulus, temperature-resistant film for form fill and seal packaging 失效
标题翻译：高模量，耐高温的膜用于成型填充和密封包装
公开(公告)号：US07051493B2
公开(公告)日：2006-05-30
申请号：US10225815
申请日：2002-08-21
申请人： Hubert J. Cook , Janet W. Rivett , Gautam P. Shah , Richard M. Dayrit , Kelly R. Ahlgren
发明人： Hubert J. Cook , Janet W. Rivett , Gautam P. Shah , Richard M. Dayrit , Kelly R. Ahlgren
IPC分类号： B65B9/00 , B65B63/00 , B65B55/00 , B32B7/02 , B32B27/08
CPC分类号： B32B27/08 , B32B27/32 , B32B27/34 , B32B27/36 , B32B2325/00 , B32B2367/00 , B32B2377/00 , B32B2439/70 , Y10T428/1324 , Y10T428/1393 , Y10T428/24942 , Y10T428/31743 , Y10T428/31797 , Y10T428/31909 , Y10T428/31924
摘要： A multilayer film, which is particularly suited to packaging of cheese on a Hayssen® RT packaging machine, has a first layer comprising cyclic olefin copolymer having a glass transition temperature of at least 125° C., and a second layer comprising at least one member selected from the group consisting of cyclic olefin copolymer having a glass transition temperature of at least 125° C., polyamide, polyester, and polystyrene. The first and second layers are on opposite sides of a tensile axis of symmetry of the film. The film exhibits from 0 to 45 degrees of transverse edge curl, a yield point of at least 1200 psi at a temperature of 85° C., and an elongation at break of from 0 to 300 percent at 85° C. In addition, a packaging process comprises supplying the film and placing a plurality of product units on the flat film at desired intervals, forwarding the flat film having product units thereon, while forming a tubing from the flat film so that product is inside the tubing, followed by sealing the film along its length and transversely (upstream and downstream of the product), so that the product is a discrete packaged product is formed.
摘要翻译：特别适合于在Hayssen RT包装机上包装奶酪的多层膜具有包含玻璃化转变温度至少为125℃的环烯烃共聚物的第一层，和至少包含至少125℃的第二层一种选自玻璃化转变温度至少为125℃的环烯烃共聚物，聚酰胺，聚酯和聚苯乙烯。第一层和第二层位于膜的拉伸对称轴线的相对侧上。该膜在85℃的温度下呈现0至45度的横向边缘卷曲，屈服点至少为1200psi，在85℃下的断裂伸长率为0至300％。另外，包装方法包括供应薄膜并以期望的间隔将多个产品单元放置在平膜上，在其上从平坦薄膜形成管子的同时将其上具有产品单元的扁平薄膜送出，使得产品在管内，然后密封膜的长度和横向（产品的上游和下游），从而形成产品是分立的包装产品。

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