CN107001735A - 膜、制造膜的方法、包含膜的包装以及制造包装的方法 - Google Patents

膜、制造膜的方法、包含膜的包装以及制造包装的方法 Download PDF

Info

Publication number
CN107001735A
CN107001735A CN201580064378.0A CN201580064378A CN107001735A CN 107001735 A CN107001735 A CN 107001735A CN 201580064378 A CN201580064378 A CN 201580064378A CN 107001735 A CN107001735 A CN 107001735A
Authority
CN
China
Prior art keywords
film
equal
packaging
density
polymer blend
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201580064378.0A
Other languages
English (en)
Other versions
CN107001735B (zh
Inventor
M·比尔根
F·戴普莱斯
L·J·肖邦三世
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Global Technologies LLC
Original Assignee
Dow Global Technologies LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies LLC filed Critical Dow Global Technologies LLC
Publication of CN107001735A publication Critical patent/CN107001735A/zh
Application granted granted Critical
Publication of CN107001735B publication Critical patent/CN107001735B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/02Wrappers or flexible covers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38Packaging materials of special type or form
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815Copolymers of ethene with aliphatic 1-olefins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/08Copolymers of ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04Homopolymers or copolymers of ethene
    • C08J2423/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04Homopolymers or copolymers of ethene
    • C08J2423/08Copolymers of ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2445/00Characterised by the use of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films
    • C08L2203/162Applications used for films sealable films
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)
  • Packages (AREA)

Abstract

本发明提供一种包含聚合物掺合物的膜,所述聚合物掺合物包含90到95重量%的密度等于或小于0.905g/cc的低密度烯烃类塑性体或弹性体;5到10重量%的高模量非晶形聚合物;其中包含所述聚合物掺合物的膜展现等于或大于10,000cc/m2 +天的氧气透过率(OTR)。还提供一种包含所述膜的包装、一种制造所述膜的方法以及一种形成和填充包含所述膜的包装的方法。

Description

膜、制造膜的方法、包含膜的包装以及制造包装的方法
技术领域
本发明涉及一种膜、一种制造所述膜的方法、一种包含所述膜的包装以及一种制造所述包装的方法。
背景技术
鲜鱼包装需要极高氧气透过率(OTR,以cc/m2-天为单位,根据ASTM D3985测量)以防止厌氧细菌生长。目前,在此类包装中使用采用丙烯酸酯核心层与较高密度聚乙烯表层的多层结构。如在制造柔性容器(如小袋)中提供极高OTR以及足够硬度和可加工性的替代性结构将有益于鲜鱼和其它类型的包装。
发明内容
本发明是针对一种膜、一种制造所述膜的方法、一种包含所述膜的包装以及一种制造所述包装的方法。
在一个实施例中,本发明提供一种包含聚合物掺合物的膜,所述聚合物掺合物包含90到95重量%的密度等于或小于0.905g/cc的低密度烯烃类塑性体或弹性体;5到10重量%的高模量非晶形聚合物;其中包含所述聚合物掺合物的膜展现等于或大于10,000cc/m2 +天的氧气透过率(OTR)。
具体实施方式
本发明提供一种膜、一种制造所述膜的方法、一种包含所述膜的包装以及一种制造所述包装的方法。
“聚合物”是指通过使单体(无论具有相同或不同类型)聚合来制备的聚合性化合物。通用术语“聚合物”因此涵盖术语“均聚物”、“共聚物”、“三元共聚物”以及“互聚物”。
“塑性体”意味着密度介于约0.85到约0.905g/cc(如根据ASTM D-792所测量)范围内的均匀支化的基本上线性乙烯聚合物。
“低密度”意味着密度小于或等于0.905g/cc。
“高密度”意味着密度大于或等于0.930g/cc。
“弹性体”意味着乙烯共聚物弹性体,如乙烯与高碳数α-烯烃的共聚物或乙烯/丙烯弹性体。乙烯弹性体共聚物或乙烯/丙烯共聚物弹性体可以包含33%或更小的结晶度。
“高模量”意味着根据ASTM D882所测量的2%正割模量大于500MPa。
“非晶形聚合物”是不展现真熔点的聚合物。
在第一实施例中,本发明提供一种包含聚合物掺合物的膜,所述聚合物掺合物包含90到95重量%的密度等于或小于0.905g/cc的低密度烯烃类塑性体或弹性体;和5到10重量%的高模量非晶形聚合物;其中包含所述聚合物掺合物的膜展现等于或大于10,000cc/m2 +天的氧气透过率(OTR)。
在第二实施例中,本发明提供一种包含所述膜的包装。
在第三实施例中,本发明提供一种制造和填充包装的方法,其包含由根据权利要求1所述的膜形成小袋,其中所述小袋具有打开的侧面;用产品填充所述小袋;以及使所述小袋的所述打开的侧面密封以形成包装。
聚合物掺合物具有90到95重量%的密度等于或小于0.905g/cc的低密度烯烃类塑性体或弹性体。90到95重量%的所有个别值和子范围都包括并公开于本文中;举例来说,烯烃类塑性体或弹性体的量可以在下限90、91、92、93或94重量%到上限90.5、91.5、92.5、93.5、94.5或95重量%的范围内变化。举例来说,烯烃类塑性体或弹性体的量可以是90到95重量%,或在替代方案中,90到92.5重量%,或在替代方案中,92到95重量%,或在替代方案中,91.5到93.5重量%。烯烃类塑性体或弹性体的密度等于或小于0.905g/cc。等于或小于0.905g/cc的所有个别值和子范围都包括并公开于本文中。举例来说,烯烃类塑性体或弹性体的密度等于或小于0.905g/cc,或在替代方案中,等于或小于0.900g/cc,或在替代方案中,等于或小于0.895g/cc,或在替代方案中,等于或小于0.890g/cc,或在替代方案中,等于或小于0.885g/cc。在一个特定实施例中,烯烃类塑性体或弹性体的密度大于或等于0.860g/cc。大于或等于0.860g/cc的所有个别值和子范围都包括并公开于本文中。举例来说,烯烃类塑性体或弹性体的密度大于或等于0.860g/cc,或在替代方案中,大于或等于0.865g/cc,或在替代方案中,大于或等于0.870g/cc,或在替代方案中,大于或等于0.875g/cc。适用于聚合物掺合物中的低密度烯烃类塑性体或弹性体的实例包括(但不限于)以名称AFFINITY、VERSIFY、ENGAGE以及INFUSE可商购自陶氏化学公司(The Dow ChemicalCompany)(美国密歇根州米德兰(Midland,MI,USA))的那些塑性体或弹性体。另外,适用于聚合物掺合物中的低密度烯烃类塑性体或弹性体的实例包括(但不限于)以名称VISTAMAXX和EXACT可商购自埃克森美孚(Exxon Mobil)(美国德克萨斯州休斯顿(Houston,TX,USA))以及以QUEO可商购自北欧化工(Borealis)(奥地利维也纳(Vienna,Austria))的那些塑性体或弹性体。
膜包含5到10重量%的高模量非晶形聚合物。5到10重量%的所有个别值和子范围都包括并公开于本文中;举例来说,高模量非晶形聚合物的量可以在下限5、6、7、8或9重量%到上限5.5、6.5、7.5、8.5、9.5或10重量%的范围内变化。举例来说,高模量非晶形聚合物的量是5到10重量%,或在替代方案中,5到7.5重量%,或在替代方案中,7.5到10重量%,或在替代方案中,6.5到8.5重量%。高模量非晶形聚合物根据ASTM D882所测量的2%正割模量大于500MPa。大于500MPa的所有个别值和子范围都包括并公开于本文中。举例来说,高模量非晶形聚合物根据ASTM D882所测量的2%正割模量可以大于500MPa,或在替代方案中,大于600MPa,或在替代方案中,大于700MPa。在一个特定实施例中,高模量非晶形聚合物根据ASTM D882所测量的2%正割模量小于2500MPa。小于2500MPa的所有个别值和子范围都包括并公开于本文中。举例来说,2%正割模量可以小于2500MPa,或在替代方案中,小于2000MPa,或在替代方案中,小于1500MPa。高模量非晶形聚合物的实例包括(但不限于)环烯烃共聚物、聚苯乙烯、聚(甲基丙烯酸甲酯)、聚碳酸酯以及丙烯腈丁二烯苯乙烯。
环烯烃共聚物通过如8,9,10-三降冰片-2-烯(降冰片烯)或1,2,3,4,4a,5,8,8a-八氢-1,4:5,8-二甲桥基萘(四环十二碳烯)的环状单体与乙烯的链共聚合来产生。环烯烃共聚物的实例包括可以名称TOPAS获自TOPAS Advanced Polymers,Inc.(美国肯塔基州佛罗伦萨(Florence,KY,USA))和可以名称APEL获自Mitsui Chemicals America,Inc.(美国纽约州莱伊布鲁克(Rye Brook,NY,USA))的那些环烯烃共聚物。).如本文所用,环烯烃共聚物还包括通过各种环状单体的开环复分解聚合后接氢化来制造的那些化合物,如可以名称ARTON获自JSR株式会社(JSR Corp.)(日本东京港区(Minato-ku,Tokyo,Japan))以及可以名称ZEONEX和ZEONOR获自ZEON Chemicals L.P.(美国肯塔基州路易斯维尔(Louisville,KY,USA))的那些化合物。
适用于聚合物掺合物中的高密度聚乙烯包括可以名称ELITE获自陶氏化学公司的那些高密度聚乙烯,诸如ELITE 5960G和ELITE 5940G。
包含聚合物掺合物的膜展现等于或大于10,000cc/m2 +天的氧气透过率(OTR)。等于或大于10,000cc/m2 +天的所有个别值和子范围都包括并公开于本文中。举例来说,OTR等于或大于10,000cc/m2 +天,或在替代方案中,等于或大于12,000cc/m2 +天,或在替代方案中,等于或大于14,000cc/m2 +天。在一个特定实施例中,包含聚合物掺合物的膜展现等于或小于30,000cc/m2 +天的氧气透过率(OTR)。等于或小于30,000cc/m2 +天的所有个别值和子范围都包括并公开于本文中。举例来说,OTR可以在等于或小于30,000cc/m2 +天,或在替代方案中,等于或小于25,000cc/m2 +天,或在替代方案中,等于或小于20,000cc/m2 +天的范围内变化。
本发明进一步提供根据本文所公开的任何实施例的膜、包装以及制造和填充包装的方法,除了高模量非晶形聚合物是Tg等于或大于60℃的环烯烃共聚物。等于或大于60℃的所有个别值和子范围都包括并公开于本文中。举例来说,环烯烃共聚物的Tg等于或大于60℃,或在替代方案中,等于或大于70℃,或在替代方案中,等于或大于80℃。例示性环烯烃共聚物包括降冰片烯/乙烯共聚物1,2,3,4,4a,5,8,8a-八氢-1,4:5,8-二甲桥基萘(四环十二碳烯)/乙烯共聚物和通过开环复分解聚合制造的化合物,如具有以下结构的化合物:
本发明进一步提供根据本文所公开的任何实施例的膜、包装以及制造和填充包装的方法,除了所述膜具有1密耳厚度并且展现根据ASTM D882所测量的2%正割模量等于或大于120MPa。等于或大于120MPa的所有个别值都包括并公开于本文中。举例来说,1密耳厚度并且展现根据ASTM D882所测量的2%正割模量等于或大于120MPa,或在替代方案中,等于或大于125MPa,或在替代方案中,等于或大于130MPa。
本发明进一步提供根据本文所公开的任何实施例的膜、包装以及制造和填充包装的方法,除了所述包装是非冷冻鱼类包装。
本发明进一步提供根据本文所公开的任何实施例的膜、包装以及制造和填充包装的方法,除了所述包装使用竖直形填充和密封(VFFS)设备或水平形填充和密封(HFFS)设备来制造。
本发明进一步提供一种制造根据本文所公开的任何实施例的膜的方法,其包含通过一个或多个膜吹塑和膜注塑工艺使聚合物掺合物形成为膜。
在又另一个实施例中,本发明提供一种多层结构,其中根据本文所公开的任何实施例的膜用一种或多种其他低密度烯烃类塑性体或弹性体共挤出。
实例
以下实例说明本发明,但并不打算限制本发明的范围。
若干聚合物掺合物通过干混如表1中所示的个别聚合物组分的球粒来制备。
表1
聚合物重量% 聚合物重量%
掺合物实例1 90%AFFINITY PF 1140G 10%topAS 8007
掺合物实例2 95%AFFINITY PF 1140G 5%topAS 8007
掺合物实例3 90%AFFINITY PF 1140G 10%topAS 6013
掺合物实例4 95%AFFINITY PF 1140G 5%topAS 6013
掺合物实例A 100%AFFINITY PF 1140G
掺合物实例B 90%AFFINITY PF 1140G 10%ELITE 5960G
掺合物实例C 95%AFFINITY PF 1140G 5%ELITE 5960G
掺合物实例D 100%AFFINITY PF 1840G
掺合物实例E 90%AFFINITY PF 1840G 10%topAS 8007
掺合物实例F 95%AFFINITY PF 1840G 5%topAS 8007
掺合物实例G 90%AFFINITY PF 1840G 10%topAS 6013
掺合物实例H 95%AFFINITY PF 1840G 5%topAS 6013
掺合物实例I Dowlex 2045G
AFFINITY PF 1140G是密度为0.897g/cc并且I2为1.6g/10min的聚烯烃塑性体(可商购自陶氏化学公司)。ELITE 5960G是密度为0.962g/cc并且I2为0.85g/10min的聚乙烯树脂(可商购自陶氏化学公司)。TOPAS 8007是使用茂金属催化剂由降冰片烯和乙烯制成并且根据ISO 1183所测量的密度为1.02g/cc并且根据ISO 1133所测量的体积流动指数(260℃,2.16kg)为32ml/10min的环烯烃共聚物。TOPAS 6013是根据ISO1183所测量的密度为1.02g/cc并且根据ISO 1133所测量的体积流动指数(260℃,2.16kg)为14ml/10min的环烯烃共聚物。
用掺合物实例1-4和A-C中的每一个制造1和2密耳膜。来自Labtech EngineeringCo.,Ltd.的5层吹塑膜生产线用于在以下条件下制备膜:
·扁平模具直径75mm
·机器被设计成用于以下层比率:
-挤出机A:结构的30%
-挤出机B:结构的10%
-挤出机C:结构的20%
-挤出机D:结构的10%
-挤出机E:结构的30%
·2×25mm、3×20mm配备有重力进料系统的挤出机
·双凸缘空气环,经过冷却的轧辊
·550mm塔和高达4.0的吹胀比(BUR)能力
用以下条件进行吹塑膜工艺:输出:36磅/小时;以及具体挤出机输出设定点:
·挤出机A:10.8磅/小时
·挤出机B:3.6磅/小时
·挤出机C:7.2磅/小时
·挤出机D:3.6磅/小时
·挤出机E:10.8磅/小时
对1密耳和2密耳膜所测量的归一化的OTR数据展示于表2中。如在表2A-2B和3A-3B中可见,在添加TOPAS 8007或6013的情况下,OTR保持在可接受的范围中。
表2A
表2B
表3A
表3B
表4A-4B和5A-5B提供由聚合物掺合物制成的各种膜的2%正割模量。2%正割模量MD和CD随着TOPAS 8007的量增加而增加。在添加10%的TOPAS 8007之后,2%MD模量增加了约2.5倍。当使用ELITE 5960代替TOPAS 8007时,所获得的MD模量增加低得多。
表4A
表4B
表5A
表5B
表6提供对由聚合物掺合物制成的某些2密耳膜的热密封测量值。热密封强度随着TOPAS 8007的量增加而增加。当添加TOPAS 8007时比当添加ELITE 5960G时观察到更大增加。
表6
测试方法
测试方法包括以下:
根据ASTM D792测量聚合物密度(除非另外指明)。
根据ASTM D1238测量熔融指数I2(2.16kg,在190℃下)。
根据ASTM D 3985测量氧气透过率。
根据ASTM D 882测量正割模量CD和MD。
根据ASTM F1921进行热密封测量。热密封测试是柔性材料中密封件的强度(密封强度)的规范。其通过测量分离含有所述密封件的材料测试条带所需的力进行此测试,并且鉴别出试样破坏的模式。密封强度与打开力和包装完整性相关。
本发明可以在不脱离其精神和基本特质的情况下以其它形式实施,并且因此,应参考所附权利要求书而非前文说明书来指示本发明的范围。

Claims (9)

1.一种包含聚合物掺合物的膜,所述聚合物掺合物包含:
90到95重量%的密度等于或小于0.905g/cc的低密度烯烃类塑性体或弹性体;
5到10重量%的高模量非晶形聚合物;
其中包含所述聚合物掺合物的膜展现等于或大于10,000cc/m2+天的氧气透过率(OTR)。
2.根据权利要求1所述的膜,其中所述高模量非晶形聚合物是Tg等于或大于60C的环烯烃共聚物。
3.根据权利要求1所述的膜,其中所述膜具有1密耳厚度并且展现根据ASTM D882所测量的2%正割模量CD等于或大于60MPa。
4.一种包含根据权利要求1所述的膜的包装。
5.根据权利要求4所述的包装,其中所述包装是非冷冻鱼类包装。
6.一种制造根据权利要求1所述的膜的方法,其包含通过一个或多个膜吹塑和膜注塑工艺使根据权利要求1所述的组合物形成为膜。
7.一种制造和填充包装的方法,其包含:
由根据权利要求1所述的膜形成小袋,其中所述小袋具有打开的侧面;
用产品填充所述小袋;
使所述小袋的所述打开的侧面密封以形成包装。
8.根据权利要求7所述的方法,其中所述形成、填充和密封使用竖直形填充和密封设备来进行。
9.根据权利要求7所述的方法,其中所述形成、填充和密封使用水平形填充和密封设备来进行。
CN201580064378.0A 2014-12-09 2015-12-03 膜、制造膜的方法、包含膜的包装以及制造包装的方法 Expired - Fee Related CN107001735B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462089309P 2014-12-09 2014-12-09
US62/089309 2014-12-09
PCT/US2015/063587 WO2016094155A1 (en) 2014-12-09 2015-12-03 A film, a method of making the film, a packaging comprising the film and a method of making the packaging

Publications (2)

Publication Number Publication Date
CN107001735A true CN107001735A (zh) 2017-08-01
CN107001735B CN107001735B (zh) 2021-01-01

Family

ID=55069080

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580064378.0A Expired - Fee Related CN107001735B (zh) 2014-12-09 2015-12-03 膜、制造膜的方法、包含膜的包装以及制造包装的方法

Country Status (9)

Country Link
US (1) US20170283567A1 (zh)
EP (1) EP3230353B1 (zh)
JP (1) JP2017537852A (zh)
CN (1) CN107001735B (zh)
AR (1) AR103007A1 (zh)
BR (1) BR112017011853A2 (zh)
ES (1) ES2811948T3 (zh)
MX (1) MX2017006931A (zh)
WO (1) WO2016094155A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR103007A1 (es) * 2014-12-09 2017-04-12 Dow Global Technologies Llc Una película, un método de fabricación de la película, un envase que comprende la película y un método de fabricación del envase
JP6831367B2 (ja) 2015-08-31 2021-02-17 ダウ グローバル テクノロジーズ エルエルシー 多層構造体内で結合層として使用するための樹脂及びそれを含む多層構造体
KR102658187B1 (ko) 2017-08-23 2024-04-18 다우 글로벌 테크놀로지스 엘엘씨 에틸렌계 중합체 및 사이클로올레핀 혼성중합체를 함유하는 조성물, 및 이로부터 형성된 필름
WO2020198282A1 (en) 2019-03-26 2020-10-01 Cryovac, Llc Multilayer film with high oxygen transmission

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5494969A (en) * 1993-01-29 1996-02-27 Mitsui Petrochemical Industries, Ltd. Cycloolefin polymer composition
US5786050A (en) * 1993-01-06 1998-07-28 Toyo Seikan Kaisha, Ltd. Easy opening pouch
US5912070A (en) * 1996-04-11 1999-06-15 Mitsui Chemicals, Inc. Laminated film and packaging material
CN1236376A (zh) * 1996-11-06 1999-11-24 陶氏化学公司 适用于易腐食品的改良环境包装的膜
US6068936A (en) * 1995-09-28 2000-05-30 Ticona Gmbh Polyolefin film containing cycloolefin polymer, process for the production thereof, and the use thereof
WO2001018112A2 (en) * 1999-09-09 2001-03-15 Baxter International Inc Cycloolefin blends and method for solvent bonding polyolefins
EP1426181A1 (en) * 2002-12-06 2004-06-09 NewPack Consulting ApS Polyolefin packaging film
US6921563B2 (en) * 2002-05-24 2005-07-26 Ticona Gmbh Multi-layer laminate, packaging material and packages made therefrom
US20060020084A1 (en) * 2002-09-13 2006-01-26 Ticona Gmbh Method for the production of a packaging made of thermoformable film having high thermal stability and a vapour barrier
US7052750B2 (en) * 2002-08-09 2006-05-30 Nordenia Deutschland Gronau Gmbh Sealable film for tear-open packaging
EP1769908A1 (en) * 2005-09-29 2007-04-04 Safta S.P.A. Flexible packaging systems and process for their manufacture
US20070141366A1 (en) * 2005-12-21 2007-06-21 Janet Rivett Multilayer film with hot tack property
CN101040001A (zh) * 2004-10-18 2007-09-19 托帕斯高级聚合物有限公司 用于制备缺陷数减少的膜片的聚合物共混物
US20070275196A1 (en) * 2006-05-25 2007-11-29 Cryovac, Inc. Multilayer Film Having High Oxygen Transmission and High Modulus
CN101511932A (zh) * 2006-09-05 2009-08-19 利魁包装加拿大有限公司 用于液体包装膜的聚乙烯和聚丙烯掺合物
CN100537225C (zh) * 2002-05-07 2009-09-09 利乐拉瓦尔集团及财务有限公司 包装层压板,其制造方法及由该包装层压板制造的包装容器
CN101558115A (zh) * 2006-12-15 2009-10-14 弗纳技术股份有限公司 聚丙烯吹塑薄膜
US20090285511A1 (en) * 2008-03-07 2009-11-19 Pliant Corporation Cross Direction Tear Film and Package
CN102196907A (zh) * 2008-10-24 2011-09-21 埃克森美孚石油公司 多层收缩膜,由其制备的标签和它们的用途
CN102196908A (zh) * 2008-10-24 2011-09-21 埃克森美孚石油公司 多层收缩膜,由其制备的标签和它们的用途
CN102216076A (zh) * 2008-11-13 2011-10-12 加铝宝柏泛亚股份有限公司 用于包装无菌产品的无卷曲的聚烯烃基膜
US20130302894A1 (en) * 2012-05-11 2013-11-14 Cryovac, Inc. Polymeric Film for Use in Bioprocessing Applications

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX9200724A (es) * 1991-02-22 1993-05-01 Exxon Chemical Patents Inc Mezcla termosellable de polietileno o plastomero de muy baja densidad con polimeros a base de polipropileno y pelicula termosellable asi como articulos hechos con aquellas.
DE19932384A1 (de) * 1999-07-14 2001-01-18 Mitsubishi Polyester Film Gmbh Weiße, biaxial orientierte Polyesterfolie mit Cycloolefincopolymer (COC), Verfahren zu ihrer Herstellung und ihre Verwendung
DE10030235A1 (de) * 2000-06-20 2002-01-03 Mitsubishi Polyester Film Gmbh Weiße, siegelfähige, thermoformbare, biaxial orientierte und koextrudierte Polyesterfolie mit Cycloolefincopolymer, Verfahren zu ihrer Herstellung und ihre Verwendung
US20030021945A1 (en) * 2001-06-15 2003-01-30 Kelch Robert H. High-frequency active polymeric compositions and films
JP2003012825A (ja) * 2001-06-26 2003-01-15 Chisso Corp 凹凸形状を有する気体透過性フィルム
US7438940B2 (en) * 2002-04-19 2008-10-21 E. I. Du Pont De Nemours And Company Film and film structures having improved oxygen transmission, forming, and puncture resistances
US7051493B2 (en) * 2002-08-21 2006-05-30 Cryovac, Inc. High modulus, temperature-resistant film for form fill and seal packaging
US7422796B2 (en) * 2005-07-19 2008-09-09 E. I. Du Pont De Nemours And Company Film structures having improved oxygen transmission
ES2397870T3 (es) * 2006-10-05 2013-03-12 Treofan Germany Gmbh & Co. Kg Película opaca hecha de PLA simutáneamente estirada
WO2008079755A2 (en) * 2006-12-21 2008-07-03 Dow Global Technologies Inc. Layered films, packages prepared therefrom, and methods of making the same
EP2172510A1 (en) * 2008-10-01 2010-04-07 Dow Global Technologies Inc. Barrier films and method for making and using the same
WO2011129982A2 (en) * 2010-04-14 2011-10-20 Avery Dennison Corporation Methods for increasing effectiveness of antimicrobial agents in polymeric films
EP2689914B1 (en) * 2011-03-22 2019-01-23 Toray Industries, Inc. Method for stretching film
US8551587B2 (en) * 2011-11-04 2013-10-08 Exxonmobil Oil Corporation Uniaxially shrinkable, biaxially oriented polypropylene films
US9206271B2 (en) * 2012-03-25 2015-12-08 Wisconsin Alumni Research Foundation Fully backbone degradable and functionalizable polymers derived from the ring-opening metathesis polymerization (ROMP)
JP6124194B2 (ja) * 2012-08-01 2017-05-10 大日本印刷株式会社 包装袋
JP6025694B2 (ja) * 2013-11-22 2016-11-16 富士フイルム株式会社 フィルムおよびその製造方法、透明導電性フィルムならびにタッチパネル
AR103007A1 (es) * 2014-12-09 2017-04-12 Dow Global Technologies Llc Una película, un método de fabricación de la película, un envase que comprende la película y un método de fabricación del envase

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5786050A (en) * 1993-01-06 1998-07-28 Toyo Seikan Kaisha, Ltd. Easy opening pouch
US5494969A (en) * 1993-01-29 1996-02-27 Mitsui Petrochemical Industries, Ltd. Cycloolefin polymer composition
US6068936A (en) * 1995-09-28 2000-05-30 Ticona Gmbh Polyolefin film containing cycloolefin polymer, process for the production thereof, and the use thereof
US5912070A (en) * 1996-04-11 1999-06-15 Mitsui Chemicals, Inc. Laminated film and packaging material
CN1236376A (zh) * 1996-11-06 1999-11-24 陶氏化学公司 适用于易腐食品的改良环境包装的膜
WO2001018112A2 (en) * 1999-09-09 2001-03-15 Baxter International Inc Cycloolefin blends and method for solvent bonding polyolefins
CN100537225C (zh) * 2002-05-07 2009-09-09 利乐拉瓦尔集团及财务有限公司 包装层压板,其制造方法及由该包装层压板制造的包装容器
US6921563B2 (en) * 2002-05-24 2005-07-26 Ticona Gmbh Multi-layer laminate, packaging material and packages made therefrom
US7052750B2 (en) * 2002-08-09 2006-05-30 Nordenia Deutschland Gronau Gmbh Sealable film for tear-open packaging
US20060020084A1 (en) * 2002-09-13 2006-01-26 Ticona Gmbh Method for the production of a packaging made of thermoformable film having high thermal stability and a vapour barrier
EP1426181A1 (en) * 2002-12-06 2004-06-09 NewPack Consulting ApS Polyolefin packaging film
CN101040001A (zh) * 2004-10-18 2007-09-19 托帕斯高级聚合物有限公司 用于制备缺陷数减少的膜片的聚合物共混物
EP1769908A1 (en) * 2005-09-29 2007-04-04 Safta S.P.A. Flexible packaging systems and process for their manufacture
US20070141366A1 (en) * 2005-12-21 2007-06-21 Janet Rivett Multilayer film with hot tack property
US20070275196A1 (en) * 2006-05-25 2007-11-29 Cryovac, Inc. Multilayer Film Having High Oxygen Transmission and High Modulus
CN101511932A (zh) * 2006-09-05 2009-08-19 利魁包装加拿大有限公司 用于液体包装膜的聚乙烯和聚丙烯掺合物
CN101558115A (zh) * 2006-12-15 2009-10-14 弗纳技术股份有限公司 聚丙烯吹塑薄膜
US20090285511A1 (en) * 2008-03-07 2009-11-19 Pliant Corporation Cross Direction Tear Film and Package
CN102196907A (zh) * 2008-10-24 2011-09-21 埃克森美孚石油公司 多层收缩膜,由其制备的标签和它们的用途
CN102196908A (zh) * 2008-10-24 2011-09-21 埃克森美孚石油公司 多层收缩膜,由其制备的标签和它们的用途
CN102216076A (zh) * 2008-11-13 2011-10-12 加铝宝柏泛亚股份有限公司 用于包装无菌产品的无卷曲的聚烯烃基膜
US20130302894A1 (en) * 2012-05-11 2013-11-14 Cryovac, Inc. Polymeric Film for Use in Bioprocessing Applications

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JU YOUNG SHIN等: "CHEMICAL STRUCTURE AND PHYSICAL", 《PURE APPL. CHEM.》 *

Also Published As

Publication number Publication date
WO2016094155A1 (en) 2016-06-16
ES2811948T3 (es) 2021-03-15
JP2017537852A (ja) 2017-12-21
CN107001735B (zh) 2021-01-01
US20170283567A1 (en) 2017-10-05
AR103007A1 (es) 2017-04-12
EP3230353A1 (en) 2017-10-18
BR112017011853A2 (pt) 2018-02-27
MX2017006931A (es) 2017-08-10
EP3230353B1 (en) 2020-07-01

Similar Documents

Publication Publication Date Title
ES2845631T3 (es) Películas basadas en poliolefina apropiadas para termoconformado
CN107750263B (zh) 具有无光泽表面的聚乙烯膜
AU2008218065B2 (en) Multilayer film and container
CN107001735A (zh) 膜、制造膜的方法、包含膜的包装以及制造包装的方法
US11446909B2 (en) High-slip stretch film
US9724901B2 (en) Biaxially oriented metallocene linear low density polyethylene film, method and resin composition for same
CN104995029B (zh) 用于一次性袋子的壁的包含核心层和外层的多层膜
CN104995025B (zh) 用于一次性袋的壁的含有接触层、芯层和外层的多层膜
TWI842788B (zh) 層壓結構及併有其之可撓性封裝材料
US20120034404A1 (en) Medical multilayer film and use thereof
JP2015189160A (ja) シーラントフィルム、並びにそれを用いたフィルム積層体及びスタンディングパウチ
CN108367555A (zh) 适用于热成型应用的多层膜
JP2015016666A (ja) 多層共押出フィルム
CA2794593C (en) Multi-layer, ethylene polymer-based films with polypropylene-based stiffening layer
JP2012011587A (ja) 積層フィルム
KR20200077666A (ko) 식품 포장용 필름
ES2954059T3 (es) Adhesivos termoplásticos universales para películas multicapa
ES2947413T3 (es) Películas multicapa que incorporan adhesivos termoplásticos universales
CN202412843U (zh) 耐低温抗冲击高阻隔膜
CN104995239B (zh) 用于一次性袋子的壁的包含接触层的膜
BR112020027065B1 (pt) Composição adesiva termoplástica
BR112020026913B1 (pt) Filme de multicamadas coextrudado
WO2018178937A1 (en) Multilayer bioreactor bag

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210101

Termination date: 20211203