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1. 发明授权

US07351478B2 Heat-seal films and method of manufacture 有权
标题翻译：热封膜及其制造方法
公开(公告)号：US07351478B2
公开(公告)日：2008-04-01
申请号：US09810956
申请日：2001-03-16
申请人： Aiko Hanyu , Scott D. Cooper , Mark Miller
发明人： Aiko Hanyu , Scott D. Cooper , Mark Miller
IPC分类号： B32B27/08 , B32B7/12 , C08F210/00 , C08F10/00
CPC分类号： B32B27/32 , B32B27/08 , B32B2323/04 , B32B2323/10 , B32B2439/70 , C08J5/18 , C08J2323/14 , Y10S526/942 , Y10T428/2495 , Y10T428/2826 , Y10T428/31913
摘要： A heat-seal polymer film and method of forming such film is provided. The heat-seal film is formed from metallocene-catalyzed isotactic random copolymers of propylene and at least one other C2 to C8 alpha olefin, such as ethylene random. Such films show improved heat-seal characteristics, such as reduced seal initiation temperatures (SIT's) and improved heat-seal strength, as well as other improved properties.
摘要翻译：提供了一种热封聚合物膜及其形成方法。热密封膜由茂金属催化的丙烯与至少一种其它C 2 -C 8亚烷基（如乙烯无规）的全同立构无规共聚物形成。这种膜显示出改善的热封特性，例如降低的密封起始温度（SIT）和改善的热封强度以及其他改进的性能。

2. 发明申请

US20060118237A1 Polymer films having good print and heat seal properties and laminates prepared therewith 审中-公开
标题翻译：具有良好的印刷和热封性能的聚合物薄膜和用其制备的层压材料
公开(公告)号：US20060118237A1
公开(公告)日：2006-06-08
申请号：US11003269
申请日：2004-12-03
申请人： Mark Miller , Scott Cooper , Mark Leland , Aiko Hanyu
发明人： Mark Miller , Scott Cooper , Mark Leland , Aiko Hanyu
IPC分类号： B32B27/08 , B32B27/32 , B32B15/08 , B32B27/10
CPC分类号： B32B27/327 , B32B27/08 , B32B27/32 , B32B2250/02 , B32B2250/242 , B32B2307/31 , B32B2307/75 , B32B2439/46 , B32B2439/70 , B32B2519/00 , Y10T428/1352 , Y10T428/31692 , Y10T428/31902 , Y10T428/31938
摘要： Disclosed is a laminate of a polymer film and substrate wherein the polymer film has good heat seal and printing properties. The polymer film is prepared from an isotactic polypropylene or propylene-ethylene copolymer prepared using a metallocene copolymer.
摘要翻译：公开了聚合物膜和基材的层压体，其中聚合物膜具有良好的热封和印刷性能。聚合物膜由使用茂金属共聚物制备的全同立构聚丙烯或丙烯 - 乙烯共聚物制备。

3. 发明授权

US5958566A Metal bond strength in polyolefin films 失效
公开(公告)号：US5958566A
公开(公告)日：1999-09-28
申请号：US954325
申请日：1997-10-17
申请人： William R. Wheat , Aiko Hanyu
发明人： William R. Wheat , Aiko Hanyu
IPC分类号： C23C14/20 , B32B7/02
CPC分类号： C23C14/20 , Y10T428/1352 , Y10T428/24967 , Y10T428/25 , Y10T428/31678 , Y10T428/31692
摘要： The present invention relates to the improvement of metal bonding strength in polypropylene films through the addition of ethylene in a mini-random ethylene-propylene copolymer in an amount of no more than about 1 weight percent, more preferably no more than about 0.7 weight percent, and most preferably between about 0.3 weight percent and about 0.5 weight percent, or even amounts between about 0.05 weight percent and about 0.2 weight percent. The invention allows the improvement of metal bond strength in metallizable films. The invention encompasses both the resulting films with enhanced metal bond strength and the process for producing such films. In the preferred embodiment, the proposed mini-random copolymer is formed into a film layer used in place of a propylene homopolymer layer, providing improved bonding properties over a simple polypropylene homopolymer, while maintaining at acceptable levels the physical and optical characteristics of a film layer made from a propylene homopolymer, such as stiffness.

4. 发明授权

US06641913B1 Heat-sealable films 失效
标题翻译：热封膜
公开(公告)号：US06641913B1
公开(公告)日：2003-11-04
申请号：US09454799
申请日：1999-12-03
申请人： Aiko Hanyu , Ben Wayne Hicks
发明人： Aiko Hanyu , Ben Wayne Hicks
IPC分类号： B32B712
CPC分类号： B32B27/32 , B32B27/08 , B32B2307/704 , B32B2323/10 , B32B2439/70 , Y10T428/2826 , Y10T428/2878 , Y10T428/31913
摘要： A multilayer polyolefin film of the type suitable for packaging application in which heat seals are formed, and in its preparation the multilayer film comprises a flexible substrate layer formed of a crystalline thermoplastic polymer having an interface surface. A heat-sealable surface layer is bonded to the interface surface of the substrate layer and is formed of a syndiotactic propylene polymer effective to produce a heat seal with itself at a sealing temperature of less than 110° C. The surface layer has a thickness which is less than the thickness of the substrate layer. The heat-seal layer can be formed of syndiotactic polypropylene polymerized in the presence of a syndiospecific metallocene catalyst and having a melt flow index of less than 2 grams/10 minutes. The multilayer film can take the form of a a biaxially-oriented film. In the production of the multilayer film incorporating a substrate layer and a heat-sealable surface layer, a crystalline thermoplastic polymer is extruded and formed into a substrate layer film. A second polymer comprising a syndiotactic propylene polymer which is effective to form a heat-sealable surface layer is extruded to form a surface layer that is bonded to the interface of the substrate layer at a temperature within the range of 150-260° C.
摘要翻译：一种适用于其中形成热封的包装应用的多层聚烯烃薄膜，在其制备中，多层薄膜包括由具有界面表面的结晶热塑性聚合物形成的柔性基底层。可热封的表面层粘合到基底层的界面，并由间同立构丙烯聚合物形成，该聚合物有效地在小于110℃的密封温度下自身产生热封。表面层的厚度小于衬底层的厚度。热密封层可以由间同立构聚丙烯在间同立构茂金属催化剂存在下聚合并且具有小于2克/ 10分钟的熔体流动指数形成。多层膜可以采用双轴取向膜的形式。在制造包含基材层和可热封表面层的多层膜时，将结晶性热塑性聚合物挤出并形成基材层膜。挤出含有有效形成可热封表面层的间同立构丙烯聚合物的第二聚合物，以形成在150-260℃的温度范围内与基材层的界面结合的表面层。

5. 发明授权

US06579962B1 Biaxially-oriented metallocene-based polypropylene films 失效
标题翻译：双轴取向金属茂系聚丙烯薄膜
公开(公告)号：US06579962B1
公开(公告)日：2003-06-17
申请号：US09575804
申请日：2000-05-22
申请人： William R. Wheat , Aiko Hanyu
发明人： William R. Wheat , Aiko Hanyu
IPC分类号： C08F1006
CPC分类号： C08J5/18 , C08F4/65912 , C08F4/65916 , C08F10/00 , C08F110/06 , C08J2323/12 , Y10S428/91 , Y10S526/943 , C08F4/65927 , C08F2500/12 , C08F2500/14 , C08F2500/20 , C08F2500/26
摘要： A process for the production of biaxially-oriented polypropylene film involving the provision of a polypropylene polymer produced by the polymerization of propylene in the presence of a metallocene catalyst characterized by a bridged racemic bis(indenyl) ligand substituted at the proximal position. The polypropylene contains 0.5 to 2% 2,1 insertions and has an isotacticity of at least 96% meso pentads and at least 99% meso diads. The film is formed by stressing the polymer produced from a slot die in the machine direction at a stretch ratio of about 5 or 6 and in the transverse direction at a stretch ratio of about 8 or 9 to produce a biaxially-oriented film having a non-uniform melt temperature of a peak value of less than 160° C. The polypropylene polymer has meltflow index of less than 5 grams per 10 minutes and has an average molecular weight within the range of 100,000-400,000 grams per mole. The film, when configured having a thickness of 18 microns, is characterized by a machine direction secant modulus of at least 1400 MPa, a transverse direction secant modulus of at least 2200 MPa, a kinetic film-to-film co-efficient of friction of no more than 0.5, and permeabilities to water and oxygen of no more than 2.6 g/m2/d and 2400 c3/m2/d, respectively. The film is further characterized by shrinkage factors of at least 8% in a transverse dimension and at least 16% in a transverse direction when heated to a temperature of at least 140° C.
摘要翻译：一种生产双轴取向聚丙烯薄膜的方法，涉及提供通过丙烯在茂金属催化剂存在下聚合制备的聚丙烯聚合物，其特征在于在近端位置被取代的桥连外消旋双（茚基）配体。聚丙烯含有0.5至2％的2,1插入，并且具有至少96％的内消旋五单元和至少99％的内消旋二聚体的全同立构规整度。通过在纵向上以约5或6的拉伸比并且在横向上以约8或9的拉伸比强加从槽模头产生的聚合物来形成膜，以制造具有非线性的双轴取向膜， - 峰值小于160℃的均匀熔体温度。聚丙烯聚合物的熔体流动指数小于5克/ 10分钟，其平均分子量在100,000-400,000克/摩尔的范围内。当薄膜的厚度为18微米时，其特征在于机器方向割线模数为至少1400MPa，横向割线模量为至少2200MPa，动摩擦膜的摩擦系数为不超过0.5，渗透率分别不超过2.6g / m2 / d和2400c3 / m2 / d。该薄膜进一步的特征在于当加热到至少140℃的温度时，在横向尺寸上至少8％的收缩因子和在横向上至少16％

6. 发明申请

US20050100752A1 Heat-sealable films 审中-公开
标题翻译：热封膜
公开(公告)号：US20050100752A1
公开(公告)日：2005-05-12
申请号：US10602197
申请日：2003-06-24
申请人： Aiko Hanyu , Ben Hicks
发明人： Aiko Hanyu , Ben Hicks
IPC分类号： B32B7/10 , B32B27/32 , B32B27/08
CPC分类号： B32B27/32 , B32B27/08 , B32B2307/704 , B32B2323/10 , B32B2439/70 , Y10T428/2826 , Y10T428/2878 , Y10T428/31913
摘要： A multilayer polyolefin film of the type suitable for packaging application in which heat seals are formed, and in its preparation the multilayer film comprises a flexible substrate layer formed of a crystalline thermoplastic polymer having an interface surface. A heat-sealable surface layer is bonded to the interface surface of the substrate layer and is formed of a syndiotactic propylene polymer effective to produce a heat seal with itself at a sealing temperature of less than 110° C. The surface layer has a thickness which is less than the thickness of the substrate layer. The heat-seal layer can be formed of syndiotactic polypropylene polymerized in the presence of a syndiospecific metallocene catalyst and having a melt flow index of less than 2 grams/10 minutes. The multilayer film can take the form of a biaxially-oriented film. In the production of the multilayer film incorporating a substrate layer and a heat-sealable surface layer, a crystalline thermoplastic polymer is extruded and formed into a substrate layer film. A second polymer comprising a syndiotactic propylene polymer which is effective to form a heat-sealable surface layer is extruded to form a surface layer that is bonded to the interface of the substrate layer at a temperature within the range of 150-260° C.
摘要翻译：一种适用于其中形成热封的包装应用的多层聚烯烃薄膜，在其制备中，多层薄膜包括由具有界面表面的结晶热塑性聚合物形成的柔性基底层。可热封的表面层粘合到基底层的界面，并由间同立构丙烯聚合物形成，该聚合物有效地在小于110℃的密封温度下自身产生热封。表面层的厚度小于衬底层的厚度。热密封层可以由间同立构聚丙烯在间同立构茂金属催化剂存在下聚合并且具有小于2克/ 10分钟的熔体流动指数形成。多层膜可以采用双轴取向膜的形式。在制造包含基材层和可热封表面层的多层膜时，将结晶性热塑性聚合物挤出并形成基材层膜。挤出含有有效形成可热封表面层的间同立构丙烯聚合物的第二聚合物，以形成在150-260℃的温度范围内与基材层的界面结合的表面层。

7. 发明授权

US06803094B1 Heat-seal strength in polyolefin films 有权
标题翻译：聚烯烃薄膜的热封强度
公开(公告)号：US06803094B1
公开(公告)日：2004-10-12
申请号：US09413384
申请日：1999-10-06
申请人： William R. Wheat , Aiko Hanyu
发明人： William R. Wheat , Aiko Hanyu
IPC分类号： B32B700
CPC分类号： B32B27/08 , B32B27/32 , B32B2038/0028 , B32B2307/518 , B32B2323/04 , B32B2323/10 , Y10S428/91 , Y10T428/24942 , Y10T428/24967 , Y10T428/2826 , Y10T428/31587 , Y10T428/31855 , Y10T428/31909 , Y10T428/31913
摘要： The present invention is for the improvement of inter-layer bonding strength in polypropylene films through the addition of ethylene as a mini-random copolymer in an amount of no more than about 1 weight percent, more preferably no more than about 0.7 weight percent, and most preferably between about 0.3 weight percent to about 0.5 weight percent or even amounts less than about 0.2 weight percent. The invention allows the improvement of inter-layer bond strength in multi-layer films resulting specifically in improved heat seal strength. The invention encompasses both the resulting films with enhanced heat seal strength and the process for producing such films. In the preferred embodiment, the proposed mini-random copolymer is formed into a film layer used in place of a propylene homopolymer layer, providing improved bonding properties over a film formed of polypropylene homopolymer, while maintaining at acceptable levels the physical and optical characteristics of a film layer made from a propylene homopolymer, such as stiffness.
摘要翻译：本发明是为了通过加入乙烯作为微型无规共聚物，其量不超过约1重量％，更优选不超过约0.7重量％，提高聚丙烯薄膜的层间粘合强度，以及最优选约0.3重量％至约0.5重量％或甚至少于约0.2重量％。本发明允许提高多层膜中的层间结合强度，特别是提高热封强度。本发明包括具有增强的热封强度的所得膜和用于制备这种膜的方法。在优选的实施方案中，所提出的微型无规共聚物形成为用于代替丙烯均聚物层的膜层，提供了由聚丙烯均聚物形成的膜提供的改善的粘合性能，同时保持在可接受的水平下的物理和光学特性由丙烯均聚物制成的薄膜层，如刚度。

8. 发明授权

US06207093B1 Compositions for improved orientation processing 失效
标题翻译：用于改进定向处理的组合
公开(公告)号：US06207093B1
公开(公告)日：2001-03-27
申请号：US09065719
申请日：1998-04-24
申请人： Aiko Hanyu , William R. Wheat
发明人： Aiko Hanyu , William R. Wheat
IPC分类号： B29C4700
CPC分类号： B29C55/005 , B29C55/143 , B29K2023/12 , Y10S428/91
摘要： The present invention relates to improved processability of polyolefin films through the addition to the basic isotactic polypropylene (iPP) polymer of a syndiotactic polypropylene (sPP) in an amount within the range of about 2 to 10 weight percent and of a resin or rosin modifier in an amount within the range of 1 to 30 weight percent. Preferably, the composition could contain syndiotactic propylene in an amount within the range of about 2 to 5 weight percent. Preferably, about 3 weight percent of syndiotactic propylene is present in the polyolefin composition. The resin or rosin modifier could, preferably, be present in an amount within the range of 5 to 10 weight percent. Preferably, the composition should contain about 10 weight percent of the modifier. The present invention encompasses both the resulting polyolefin films and the process for producing such films. The improved processability of the film includes fewer webs breaks and drawability at higher line speeds, resulting in fewer shut downs of the processing line and a decrease in manufacturing time. These improvements are measured in terms of variable machine direction orientation draw ratios and transverse direction orientation oven temperatures.
摘要翻译：本发明涉及通过加入量为约2至10重量％范围内的间同立构聚丙烯（sPP）的基本全同立构聚丙烯（iPP）聚合物和树脂或松香改性剂的改进的方法来改进聚烯烃膜的加工性能在1至30重量％范围内的量。优选地，组合物可以含有在约2至5重量％范围内的量的间同立构丙烯。优选地，约3重量％的间同立构丙烯存在于聚烯烃组合物中。树脂或松香改性剂优选以5至10重量％的量存在。优选地，组合物应包含约10重量％的改性剂。本发明包括得到的聚烯烃膜和制备这种膜的方法。膜的改进的加工性在较高的线速度下具有较少的断裂和拉伸性，导致加工线的停机更少，并且制造时间的减少。这些改进是根据可变的机器方向取向拉伸比和横向取向烘箱温度来测量的。

9. 发明授权

US07026055B2 Metal bond strength in polypropylene films 失效
公开(公告)号：US07026055B2
公开(公告)日：2006-04-11
申请号：US10280418
申请日：2002-10-25
申请人： Aiko Hanyu , William R. Wheat
发明人： Aiko Hanyu , William R. Wheat
IPC分类号： B32B15/08
CPC分类号： C08L23/12 , C08L2205/02 , Y10T428/31678 , Y10T428/31692 , Y10T428/31855 , Y10T428/31909 , Y10T428/31913 , C08L2666/04
摘要： The present invention relates to the improvement of metal bond strength in polypropylene films surface treated at higher levels through the addition to the basic isotactic polypropylene (iPP) polymer of an amount of syndiotactic polypropylene (sPP) in an amount no more than about 10 percent by weight and preferably in an amount between about 0.5 percent and about 8 percent by weight. The invention encompasses both the resulting metallized polypropylene films with enhanced bond strength and the process for producing such films. The prescribed use provides improved bonding properties over a simple non-blended isotactic polypropylene homopolymer, while maintaining at acceptable levels the optical and physical characteristics of a film made from non-blended iPP homopolymer. At increasing percentages of sPP above the preferred levels, bond strength continues to increase, but a deterioration in other properties may be noted, particularly in the optical property haze.

10. 发明授权

US06395147B1 Metal bond strength in polyolefin films 失效
标题翻译：聚烯烃膜中的金属粘结强度
公开(公告)号：US06395147B1
公开(公告)日：2002-05-28
申请号：US09401466
申请日：1999-09-22
申请人： William R. Wheat , Aiko Hanyu
发明人： William R. Wheat , Aiko Hanyu
IPC分类号： C23C1434
CPC分类号： C23C14/20 , Y10T428/1352 , Y10T428/24967 , Y10T428/25 , Y10T428/31678 , Y10T428/31692
摘要： The present invention relates to the improvement of metal bonding strength in polypropylene films through the addition of ethylene in a mini-random ethylene-propylene copolymer in an amount of no more than about 1 weight percent, more preferably no more than about 0.7 weight percent, and most preferably between about 0.3 weight percent and about 0.5 weight percent, or even amounts between about 0.05 weight percent and about 0.2 weight percent. The invention allows the improvement of metal bond strength in metallizable films. The invention encompasses both the resulting films with enhanced metal bond strength and the process for producing such films. In the preferred embodiment, the proposed mini-random copolymer is formed into a film layer used in place of a propylene homopolymer layer, providing improved bonding properties over a simple polypropylene homopolymer, while maintaining at acceptable levels the physical and optical characteristics of a film layer made from a propylene homopolymer, such as stiffness.
摘要翻译：本发明涉及通过在微型无规乙烯 - 丙烯共聚物中加入乙烯，其量不超过约1重量％，更优选不超过约0.7重量％的量来提高聚丙烯膜中的金属粘结强度，最优选约0.3重量％至约0.5重量％，或甚至约0.05重量％至约0.2重量％。本发明允许改善金属化膜中的金属粘合强度。本发明包括具有增强的金属粘结强度的所得膜和制备这种膜的方法。在优选的实施方案中，所提出的微型无规共聚物形成为用于代替丙烯均聚物层的膜层，与简单的聚丙烯均聚物相比提供了改善的粘合性能，同时保持在可接受的水平下的膜层的物理和光学特性由丙烯均聚物制成，如刚度。

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