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1. 发明申请

WO2013134335A3 HEAT SEALABLE NYLON FILM AND METHOD OF MAKING IT 审中-公开
公开(公告)号：WO2013134335A3
公开(公告)日：2013-09-12
申请号：PCT/US2013/029254
申请日：2013-03-06
申请人： DuPont Teijin Films U.S. Limited Partnership
发明人： DENG, Fenghua , TAYLER, Moira , ROBINSON, Julian Neal
IPC分类号： B32B27/08 , B32B27/30
摘要： A composite film includes a nylon base film and a coextensive layer of adhesive composition that includes one or more polymers, wherein the one or more polymers taken together include in polymerized form : a) ethylene; b) one or more ester-containing monomers, constituting in a range from 5 to 50 wt% of the one or more polymers; and c) one or more carboxylic acid-containing monomers and optionally salt(s) thereof, constituting in a range from 0.5 to 20 wt% of the one or more polymers. A package may be prepared, including a lid made from the composite film heat sealed to a tray. A bag for packaging raw or processed meat may be made from the composite film. A food item may be contained in the package or bag.

2. 发明申请

WO2004063254A1 ANTI-MICROBIAL COATED POLYMERIC FILM 审中-公开
标题翻译：抗微生物涂层聚合物薄膜
公开(公告)号：WO2004063254A1
公开(公告)日：2004-07-29
申请号：PCT/GB2004/000016
申请日：2004-01-07
申请人： DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP , DENG, Fenghua , FRANZYSHEN, Stephen, K. , NUGARA, Peter, N. , MACDONALD, William, A.
发明人： DENG, Fenghua , FRANZYSHEN, Stephen, K. , NUGARA, Peter, N. , MACDONALD, William, A.
IPC分类号： C08J7/04
CPC分类号： C09D5/14 , A01N25/34 , A01N59/16 , Y10T428/265 , Y10T428/2826 , Y10T428/31721 , Y10T428/31786 , Y10T428/31855 , Y10T428/31935 , Y10T428/31938 , A01N2300/00
摘要： An anti-microbial polymeric film comprising a polymeric substrate layer having a first and second surface and on a surface thereof a coating having a thickness of from about 0.01 to about 14.0 gm and comprising an anti-microbial compound in an amount of from about 0.1 to about 50% by weight of the coating layer, characterised in that (i) said coating provides a heat-seal strength of from 100 g/in to 2500 g/in when heat-sealed to itself and/or (ii) said coating provides a barrier to water vapour and/or oxygen, such that the water vapour transmission rate is in the range of 0.01 to 1Og/100 inches 2 /day and the oxygen transmission rate is in the range of 0.01 to 10 cm 3/ 100 inches 2 /day/atm.
摘要翻译：一种抗微生物聚合物膜，其包含具有第一和第二表面的聚合物基底层，并且在其表面上具有约0.01至约14.0gm的厚度的涂层，并且包含抗微生物化合物的量为约0.1至涂层的约50重量％，其特征在于（i）所述涂层在热封到其本身时提供100g / in至2500g / in的热密封强度和/或（ii）所述涂层提供水蒸汽和/或氧气的阻挡，使得水蒸气透过率在0.01至10g / 100英寸2 /天的范围内，并且氧气透过率在0.01至10cm 3 / > 100 <>英寸<2> /天/ atm。

3. 发明申请

WO2019067582A1 COMPOSITE POLYMER FILMS 审中-公开
公开(公告)号：WO2019067582A1
公开(公告)日：2019-04-04
申请号：PCT/US2018/052907
申请日：2018-09-26
申请人： DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
发明人： LIU, Shengsheng , DENG, Fenghua , ROBINSON, Julian, Neal , TAYLER, Moira
IPC分类号： B32B27/08 , B32B27/32 , B32B27/36 , B65D65/40
摘要： A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt% of the heat seal composition. The composite film may be formed by applying a coating composition including the heat sea! composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.

4. 发明申请

WO2008053205A1 HEAT-SEALABLE COMPOSITE POLYESTER FILM 审中-公开
标题翻译：热封复合聚酯薄膜
公开(公告)号：WO2008053205A1
公开(公告)日：2008-05-08
申请号：PCT/GB2007/004148
申请日：2007-10-31
申请人： DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP , BERRY, Michael, R. , BRENNAN, William, J. , DENG, Fenghua , SANDERS, Daniel, C.
发明人： BERRY, Michael, R. , BRENNAN, William, J. , DENG, Fenghua , SANDERS, Daniel, C.
IPC分类号： B32B27/08 , B32B27/36 , B32B1/02
CPC分类号： B32B27/36 , B32B1/02 , B32B27/08 , B32B27/18 , Y10T428/31507
摘要： A heat-sealable, coextruded composite polymeric film comprising a substrate layer comprising a first copolyester material having on a surface thereof a heat-sealable layer comprising a second copolyester material wherein: (i) the first and second copolyester materials are different from each other; (ii) the copolyester of the substrate layer comprises an aromatic dicarboxylic acid and a saturated aliphatic dicarboxylic acid of formula C n H 2n (COOH) 2 wherein n is 2 to 8; (iii) the heat-sealable layer comprises one or more wax(es); and (iv) the composite film is shrinkable or thermoformable; and the use thereof as a packaging film, particularly as, or in the manufacture of, a lidding film for heat-sealing to a receptacle containing a food product.
摘要翻译：一种可热密封的共挤出复合聚合物膜，其包含基材层，该基材层包含第一共聚酯材料，其表面上具有包含第二共聚酯材料的可热封层，其中：（i）第一和第二共聚酯材料彼此不同; （ii）基底层的共聚酯包含芳族二羧酸和式C n H 2n H（COOH）2的饱和脂族二羧酸其中n为2至8; （iii）可热封层包含一种或多种蜡; 和（iv）复合膜是可收缩的或可热成型的; 以及作为包装膜的用途，特别是作为或用于制造用于热封到容纳食品的容器的封盖膜的用途。

5. 发明申请

WO2006065363A1 COMPOSITE STRUCTURE INCLUDING A LOW VINYL ACETATE LAYER 审中-公开
标题翻译：包括低乙酸乙烯酯层的复合结构
公开(公告)号：WO2006065363A1
公开(公告)日：2006-06-22
申请号：PCT/US2005/038759
申请日：2005-10-26
申请人： DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP , NUGARA, Peter, N. , BEGNOCHE, Bruce, C. , FRANZYSHEN, Stephen, K. , DENG, Fenghua , SANDERS, Daniel, C. , CREEGAN, Christine, A. , COSENTINO, Steven, R.
发明人： NUGARA, Peter, N. , BEGNOCHE, Bruce, C. , FRANZYSHEN, Stephen, K. , DENG, Fenghua , SANDERS, Daniel, C. , CREEGAN, Christine, A. , COSENTINO, Steven, R.
IPC分类号： A61K9/70 , B32B27/08
CPC分类号： A61K9/703 , A61K9/7084
摘要： A composite structure suitable for making transdermal delivery devices includes in sequence: (a) a liner film layer; (b) a containment layer having from zero to 15 wt.% content of vinyl acetate repeating units, the layer including either a thermal bonding copolyester resin or a combination of an ethylene-vinyl acetate component and a nonpolar polymer; and (c) a polyester film layer less than 20 μm in thickness. A drug layer lies either between the liner film layer and the containment layer or within a concave depression in the containment layer. A composition including an ethylene-vinyl acetate component and an ABA block copolymer, wherein the A segments of the block copolymer are styrenic segments, is also provided. The composition includes between 1 and 15 wt.% of vinyl acetate repeating units, based on the total weight of composition exclusive of any solvents.
摘要翻译：适于制备透皮递送装置的复合结构包括：（a）衬垫膜层; （b）含有0至15重量％乙酸乙烯酯重复单元含量的容纳层，该层包括热粘合共聚酯树脂或乙烯 - 乙酸乙烯酯组分和非极性聚合物的组合; 和（c）厚度小于20μm的聚酯薄膜层。药物层位于衬垫膜层和容纳层之间或位于容纳层中的凹陷凹陷内。还提供了包含乙烯 - 乙酸乙烯酯组分和ABA嵌段共聚物的组合物，其中嵌段共聚物的A链段是苯乙烯链段。基于不包括任何溶剂的组合物的总重量，该组合物包含1至15重量％的乙酸乙烯酯重复单元。

6. 发明申请

WO2021140444A1 POLYMERIC FILM TUBE 审中-公开
公开(公告)号：WO2021140444A1
公开(公告)日：2021-07-15
申请号：PCT/IB2021/050063
申请日：2021-01-06
申请人： DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
发明人： DENG, Fenghua
IPC分类号： B32B1/08 , B32B27/08 , B32B27/36 , B32B27/30 , E04G23/02 , F16L11/22 , F16L9/19 , B32B2250/24 , B32B2250/244 , B32B2307/31 , B32B2307/518 , B32B2307/732 , B32B2597/00 , B32B27/306 , F16L11/042 , F16L9/17
摘要： A tube comprising a first channel and a second channel wherein each of said first and second channels extends along the longitudinal axis of said tube, and wherein said tube is constituted by a first heat-sealable polymeric film A and a second heat-sealable polymeric film B. Said polymeric films A and B each have a first surface (A1, B1) and a second heat-sealable surface (A2, B2) respectively. Polymeric films A and B are disposed such that said heat-sealable surfaces A2 and B2 are in contact with and adhered to each other by heat-seal bonds which do not extend across the full surface area of said heat-sealable surfaces A2 and B2. Also described are methods of making the tube, a kit comprising a plurality of polymeric films for forming the tube, and methods for using the tube in the delivery of injectable chemicals.

7. 发明申请

WO2021171190A1 COMPOSITE POLYMERIC FILM 审中-公开
公开(公告)号：WO2021171190A1
公开(公告)日：2021-09-02
申请号：PCT/IB2021/051538
申请日：2021-02-24
申请人： DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
发明人： DENG, Fenghua , LIU, Shengsheng , NELSON, Erik
IPC分类号： C08J7/04 , C08J7/043 , C08J7/052
摘要： A heat-sealable composite film comprising an oriented polyester substrate layer having a first and second surface is provided. Disposed on the first surface of the substrate layer is a heat- sealable polymeric coating layer comprising a styrenic linear block copolymer thermoplastic elastomer, an ethylene vinyl acetate (EVA) copolymer and a tackifying resin. Also described is a sealed container comprising a receptacle containing a food product, and a lid formed from said heat-sealable composite film.

8. 发明申请

WO2016022467A1 FILM COATING COMPOSITION AND METHOD 审中-公开
标题翻译：电影涂料组合物和方法
公开(公告)号：WO2016022467A1
公开(公告)日：2016-02-11
申请号：PCT/US2015/043405
申请日：2015-08-03
申请人： DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
发明人： LIU, Shengsheng , DENG, Fenghua
IPC分类号： C08J7/04
CPC分类号： C08J7/042 , B05D1/28 , B05D3/0272 , C08J7/047 , C08J2367/02 , C08J2400/104 , C08J2400/105 , C08J2423/08
摘要： A composite film includes a polyester film substrate layer and a crosslinked layer on a surface thereof, wherein the crosslinked layer includes a reaction product of a) a functionalized ethylene vinyl acetate copolymer including multiple COOH groups or multiple alcoholic OH groups per molecule; and b) an organic crosslinker including multiple reactive groups per molecule, the reactive groups being reactive with the COOH or alcoholic OH groups; wherein the adhesion strength between the substrate layer and the crosslinked layer is at least 177g/cm (450g/inch). A method of joining the composite film, optionally further including a heat-sealable polymer layer on the crosslinked layer, to a container or a self-supporting film, includes contacting the crosslinked layer or the heat-sealable polymer layer with the container or the self- supporting film or under heat sealing conditions.
摘要翻译：复合膜包括聚酯膜基材层和其表面上的交联层，其中交联层包含a）每分子包含多个COOH基团或多个醇OH基团的官能化乙烯乙酸乙烯酯共聚物的反应产物; 和b）每分子包含多个反应性基团的有机交联剂，所述反应性基团与COOH或醇类OH基团反应; 其中，所述基材层与所述交联层之间的粘合强度为至少177g / cm（450g / inch）。将复合膜（可选地在交联层上进一步包括可热封聚合物层）接合到容器或自支撑膜的方法包括使交联层或可热封聚合物层与容器或自身接触 - 支撑膜或热封条件下。

9. 发明申请

WO2012037087A1 THERMOFORMABLE COPOLYESTER LAMINATE 审中-公开
标题翻译：热塑性共聚酯层压板
公开(公告)号：WO2012037087A1
公开(公告)日：2012-03-22
申请号：PCT/US2011/051346
申请日：2011-09-13
申请人： DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP , DENG, Fenghua , NUGARA, Peter, N. , FRANZYSHEN, Stephen, K. , HASKINS, Reps, M.
发明人： DENG, Fenghua , NUGARA, Peter, N. , FRANZYSHEN, Stephen, K. , HASKINS, Reps, M.
IPC分类号： B32B27/36 , B32B27/08 , B65B25/22 , B65D81/34
CPC分类号： B65D81/34 , B32B1/02 , B32B27/08 , B32B27/304 , B32B27/34 , B32B27/36 , B32B2307/306 , B32B2307/31 , B32B2307/738 , B32B2439/70 , B65B1/02 , Y10T428/1334 , Y10T428/31736 , Y10T428/31739 , Y10T428/31786 , Y10T428/31797
摘要： A laminate includes the following substantially coextensive layers in the following order: (a) a non-sealable, self-supporting, thermoformable copolyester film layer having a first surface and a second surface, the second surface constituting an outermost, exposed surface of the laminate; (b) a laminating adhesive layer on the first surface of the thermoformable copolyester film layer; and (c) a self-supporting, thermoformable structural film layer having a first surface and a second surface, the first surface contacting the laminating adhesive layer. Polyethylene terephthalate constitutes at least 80% by weight of the self- supporting thermoformable copolyester film layer; the thermoformable structural film layer includes a polymer selected from the group consisting of polyamides, polypropylene, polyethylene, polyethylene terephthalate, ionomers, ethylene acrylic acid copolymers, ethylene vinyl acetate copolymers, polystyrene, ethylene vinyl alcohol copolymers and polyvinylidene chloride; the thermoformable copolyester film layer, the structural film layer and the laminate each shrink less than 5% in length and width upon exposure to boiling water for five seconds; and the laminate is thermoformable and its chloroform-soluble extractives meet the requirements of paragraph h(1) of 21 CFR § 177.1630 as defined herein.
摘要翻译：层压体按以下顺序包括以下基本上共同延伸的层：（a）具有第一表面和第二表面的不可密封的自支撑的可热成形的共聚酯膜层，所述第二表面构成层压体的最外面的暴露表面 ; （b）可热成型共聚酯膜层的第一表面上的层压粘合剂层; 和（c）具有第一表面和第二表面的自支撑的可热成形的结构膜层，所述第一表面接触层压粘合剂层。聚对苯二甲酸乙二醇酯构成自支撑热成型共聚酯膜层的至少80重量％可热成形的结构膜层包括选自聚酰胺，聚丙烯，聚乙烯，聚对苯二甲酸乙二醇酯，离聚物，乙烯丙烯酸共聚物，乙烯乙酸乙烯酯共聚物，聚苯乙烯，乙烯乙烯醇共聚物和聚偏二氯乙烯的聚合物; 可热成型共聚酯膜层，结构膜层和层压体在暴露于沸水中5秒钟时的长度和宽度小于5％; 并且层压板是可热成型的，其氯仿可溶性提取物符合本文定义的21CFR§177.1630的段落h（1）的要求。

10. 发明申请

WO2008008381A3 MULTILAYER SEALANT FILM 审中-公开
公开(公告)号：WO2008008381A3
公开(公告)日：2008-01-17
申请号：PCT/US2007/015800
申请日：2007-07-11
申请人： DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP , DENG, Fenghua
发明人： DENG, Fenghua
IPC分类号： C08J7/04 , C09D167/02 , C09D167/04 , B32B27/36
摘要： A multilayer film suitable for sealing containers such as used for food packaging, and methods of making the film, are described. The film is particularly suitable for sealing containers made from polylactic acid (PLA). The multilayer film includes a) a substrate that includes a polymeric base layer; and b) on the substrate, a heatseal layer containing a PLA homopolymer or copolymer. The heatseal layer further includes dispersed therein an adhesion promoter, or alternatively the substrate further includes the adhesion promoter in a layer on a surface of the polymeric base layer between and adjacent the base layer and the heatseal layer. An antifog agent may also be included in the heatseal layer or on the surface of the heatseal layer opposite the substrate.

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