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1. 发明申请

US20090074998A1 HEAT-SHRINKABLE LAMINATED FILM, MOLDED PRODUCT AND HEAT-SHRINKABLE LABEL EMPLOYING THE FILM, AND CONTAINER 审中-公开
标题翻译：热收缩层压膜，模制产品和使用电影的热收缩标签和容器
公开(公告)号：US20090074998A1
公开(公告)日：2009-03-19
申请号：US11719130
申请日：2005-11-11
申请人： Takashi Hiruma , Takeyoshi Yamada , Yukihiro Tanaka , You Miyashita , Jun Takagi
发明人： Takashi Hiruma , Takeyoshi Yamada , Yukihiro Tanaka , You Miyashita , Jun Takagi
IPC分类号： B32B1/02 , B32B27/36
CPC分类号： G09F3/04 , B29C61/003 , B29K2025/00 , B29K2067/00 , B29K2067/046 , B29L2009/00 , B32B7/02 , B32B7/12 , B32B25/042 , B32B25/08 , B32B25/14 , B32B27/308 , B32B27/36 , B32B2307/412 , B32B2307/51 , B32B2307/736 , B32B2439/00 , B32B2519/00 , Y10T428/1328 , Y10T428/31797
摘要： The present invention provides a heat-shrinkable laminated film which exhibits excellent breakage resistance, stiffness and shrink finishing quality, and provides a molded product and heat-shrinkable label using the films, and a container. The heat-shrinkable laminated film is made of an A layer mainly constituted of a polyester series resin and a B layer mainly constituted of a polystyrene series resin, respectively used as front and back layers and an intermediate layer, in which a peak temperature of the loss elastic modulus (EA″) of a resin that constitutes the A layer exists at least one in the range of 50° C. or more and 90° C. or less; the storage elastic moduli (EA′) at 0° C. and 40° C. satisfy EA′(0)/EA′(40)≦1.2, and the storage elastic moduli (EB′) at 50° C. and 90° C. of the resin that constitutes the B layer satisfy EB′(50)≧1.5×108 Pa and EB′(90)≧5.0×107 Pa; storage elastic modulus curves of EA′ and EB′ intersect with each other; and the thermal shrinkage ratio in a main shrinkage direction of the film when the film is dipped in a hot water at 80° C. for 10 sec is 30% or more and 60% or less, and the thermal shrinkage ratio in a direction perpendicular to the main shrinkage direction is −5% or more and +5% or less in the range of 70° C. or more and 80° C. or less.
摘要翻译：本发明提供一种显示出优异的耐破坏性，刚度和收缩整理质量的热收缩性层压膜，并且提供使用该膜的成型体和热收缩标签以及容器。热收缩性层叠膜由主要由聚酯类树脂构成的A层和主要由分别用作正面和背面的聚苯乙烯系树脂构成的B层和中间层构成，其中，构成A层的树脂的损耗弹性模量（EA“）在50℃以上且90℃以下的范围内至少存在1个以上。在0℃和40℃下的储能弹性模量（EA'）满足EA'（0）/ EA'（40）<= 1.2，储存弹性模量（EB'）在50℃和90 构成B层的树脂的温度满足EB'（50）> = 1.5×10 8 Pa，EB'（90）> = 5.0×10 7 Pa; EA'和EB'的储能弹性模量曲线相互交叉; 当膜在80℃的热水中浸渍10秒时，膜的主收缩方向的热收缩率为30％以上且60％以下，在垂直方向的热收缩率在70℃以上且80℃以下的范围内，主收缩方向为-5％以上且+ 5％以下。

2. 发明申请

US20080057236A1 Heat-Shrinkable Laminated Film, Molded Product and Heat-Shrinkable Label Employing the Film, and Container 审中-公开
标题翻译：热收缩层压膜，成型产品和采用薄膜和容器的热收缩标签
公开(公告)号：US20080057236A1
公开(公告)日：2008-03-06
申请号：US11719002
申请日：2005-11-10
申请人： Takeyoshi Yamada , Yukihiro Tanaka , Takashi Hiruma , You Miyashita , Jun Takagi
发明人： Takeyoshi Yamada , Yukihiro Tanaka , Takashi Hiruma , You Miyashita , Jun Takagi
IPC分类号： B65B53/02
CPC分类号： G09F3/04 , B32B7/12 , B32B25/042 , B32B25/08 , B32B25/14 , B32B27/308 , B32B27/36 , B32B2307/412 , B32B2307/51 , B32B2307/704 , B32B2307/736 , B32B2439/00 , B32B2519/00 , C09J7/29 , C09J2201/162 , C09J2203/334 , C09J2425/00 , C09J2425/006 , C09J2467/006 , Y10T428/1328
摘要： The present invention provides a heat-shrinkable laminated film, which exhibits excellent film rigidity, shrink finishing quality, transparency of the recycled film, and a small natural shrinkage, with suppressed film interlayer peeling and shrinking stress, and which is applicable to shrinkable packing, shrinkable bond-packing, shrinkable label and the like. The heat-shrinkable laminated film comprises: a surface layer (S layer) composed of a polyester series resin composition containing a polyvalent carboxylic acid residue and a polyvalent alcohol residue; a middle layer (M layer) composed of a styrene series resin composition; and an adhesive layer (AD layer) which contains a copolymer of styrene series hydrocarbon and a conjugated dienic hydrocarbon or hydrogenated derivatives thereof, and having a styrene series hydrocarbon content rate to the entire copolymer or hydrogenated derivatives is 5˜40 mass % or less. An elongation modulus of the film in a direction perpendicular to a main shrinking direction of the film is 1200 MPa or more, and a shrinking stress in the main shrinking direction of the film is 8 MPa or less or a rupture elongation at 23° C. is 40% or more.
摘要翻译：本发明提供一种热收缩性层压膜，其具有优异的膜刚性，收缩整理质量，再循环膜的透明性和小的自然收缩，同时抑制了膜夹层剥离和收缩应力，并且可应用于可收缩包装，可收缩的包装，可收缩标签等。该热收缩层压膜包括：由含有多价羧酸残基的聚酯系列树脂组合物和多元醇残基构成的表面层（S层）由苯乙烯系树脂组合物构成的中间层（M层）含有苯乙烯系烃和共轭二烯烃或其氢化衍生物的共聚物，对整个共聚物或氢化衍生物具有苯乙烯系烃含量比的粘合层（AD层）为5〜40质量％以下。薄膜在与膜的主收缩方向垂直的方向上的伸长率模量为1200MPa以上，膜的主收缩方向的收缩应力为8MPa以下，断裂伸长率为23℃。是40％以上。

3. 发明授权

US08470420B2 Heat-shrinkable film, moldings and heat-shrinkable labels made using the heat-shrinkable film, and containers made by using the moldings or fitted with the labels 有权
标题翻译：使用热收缩膜制造的热收缩膜，模制品和热收缩标签，以及通过使用模制品或装配有标签的容器
公开(公告)号：US08470420B2
公开(公告)日：2013-06-25
申请号：US11913863
申请日：2006-05-11
申请人： Takashi Hiruma , Takeyoshi Yamada , You Miyashita , Kouichi Sawa , Kazuya Tanaka , Jun Takagi
发明人： Takashi Hiruma , Takeyoshi Yamada , You Miyashita , Kouichi Sawa , Kazuya Tanaka , Jun Takagi
IPC分类号： B32B23/00 , B32B1/02
CPC分类号： C08L67/04 , B32B27/36 , C08J5/18 , C08L23/0846 , C08L33/08 , C08L33/10 , C08L83/10 , C08L101/00 , C08L2205/03 , Y10T428/13 , Y10T428/1303 , Y10T428/1328 , Y10T428/1352 , Y10T428/1359 , Y10T428/139 , C08L2666/18 , C08L2666/02 , C08L2666/04
摘要： A heat-shrinkable film which is excellent in mechanical characteristics such as heat shrinkage characteristics, impact resistance, and transparency and in the finish of shrinkage and which is suitable for shrink packaging, shrink bundling, shrinkable labels, and so on. A film which is made from a mixed resin comprising as the main components either a polylactic acid resin (A) and a (meth)acrylic resin (B) or a polylactic acid resin (A) and a silicone/acrylic composite rubber (D) or has at least one layer made from the mixed resin and which exhibits a heat shrinkage percentage of 20% or above in the main shrinkage direction when dipped in water at 80° C. for 10 seconds.
摘要翻译：一种热收缩特性，耐冲击性，透明性和收缩精整等机械特性优异的热收缩膜，适用于收缩包装，收缩捆扎，收缩标签等。由聚乳酸树脂（A）和（甲基）丙烯酸树脂（B）或聚乳酸树脂（A）和有机硅/丙烯酸复合橡胶（D）的主要成分构成的混合树脂制成的薄膜，或者具有至少一层由混合树脂制成的层，当在80℃的水中浸渍10秒时，在主收缩方向上的热收缩率为20％以上。

4. 发明申请

US20090074999A1 HEAT-SHRINKABLE FILM, MOLDINGS AND HEAT-SHRINKABLE LABELS MADE USING THE HEAT-SHRINKABLE FILM, AND CONTAINERS MADE BY USING THE MOLDINGS OR FITTED WITH THE LABELS 有权
标题翻译：使用热收缩膜制造的热收缩膜，模制件和热缩标签，以及使用模具或用标签贴上的容器
公开(公告)号：US20090074999A1
公开(公告)日：2009-03-19
申请号：US11913863
申请日：2006-05-11
申请人： Takashi Hiruma , Takeyoshi Yamada , You Miyashita , Kouichi Sawa , Kazuya Tanaka , Jun Takagi
发明人： Takashi Hiruma , Takeyoshi Yamada , You Miyashita , Kouichi Sawa , Kazuya Tanaka , Jun Takagi
IPC分类号： B65B53/00 , B32B1/00 , C08L31/02
CPC分类号： C08L67/04 , B32B27/36 , C08J5/18 , C08L23/0846 , C08L33/08 , C08L33/10 , C08L83/10 , C08L101/00 , C08L2205/03 , Y10T428/13 , Y10T428/1303 , Y10T428/1328 , Y10T428/1352 , Y10T428/1359 , Y10T428/139 , C08L2666/18 , C08L2666/02 , C08L2666/04
摘要： A heat-shrinkable film which is excellent in mechanical characteristics such as heat shrinkage characteristics, impact resistance, and transparency and in the finish of shrinkage and which is suitable for shrink packaging, shrink bundling, shrinkable labels, and so on. A film which is made from a mixed resin comprising as the main components either a polylactic acid resin (A) and a (meth)acrylic resin (B) or a polylactic acid resin (A) and a silicone/acrylic composite rubber (D) or has at least one layer made from the mixed resin and which exhibits a heat shrinkage percentage of 20% or above in the main shrinkage direction when dipped in water at 80° C. for 10 seconds.
摘要翻译：一种热收缩特性，耐冲击性，透明性和收缩精整等机械特性优异的热收缩膜，适用于收缩包装，收缩捆扎，收缩标签等。由聚乳酸树脂（A）和（甲基）丙烯酸树脂（B）或聚乳酸树脂（A）和有机硅/丙烯酸复合橡胶（D）的主要成分构成的混合树脂制成的薄膜，或者具有至少一层由混合树脂制成的层，当在80℃的水中浸渍10秒时，在主收缩方向上的热收缩率为20％以上。

5. 发明申请

US20080090036A1 Heat-Shrinkable Laminate Film, and Molded Product and Container Using the Film 审中-公开
标题翻译：热收缩层压膜，以及使用该膜的成型产品和容器
公开(公告)号：US20080090036A1
公开(公告)日：2008-04-17
申请号：US11718971
申请日：2005-04-27
申请人： Takashi Hiruma , Takeyoshi Yamada , Yukihiro Tanaka , Jun Takagi
发明人： Takashi Hiruma , Takeyoshi Yamada , Yukihiro Tanaka , Jun Takagi
IPC分类号： B65B53/02 , B32B7/02
CPC分类号： B29C55/023 , B29C61/0616 , B29C63/38 , B29K2025/00 , B29K2067/00 , B29K2995/0049 , B32B27/32 , B32B27/36 , Y10T428/1328 , Y10T428/2495
摘要： [Problem] To provide a heat-shrinkable laminate film, a molded product and a container, having excellent fracture resistance, rigidity, transparency after addition for regeneration, and in particular excellent shrink finishing quality. [Means for solving] A heat-shrinkable laminate film is drawn in at least one axial direction including at least three layers having an intermediate layer and front and back layers on respective sides of the intermediate layer. The intermediate layer is constituted by a layer composed mainly of at least one polystyrene-based resin. The front and back layers are constituted by layers composed mainly of at least one polyester-based resin. The front and back layers have a thickness ratio of 75% or less based on the total thickness of the film. The polystyrene-based resin is preferably a block copolymer. Further, preferably the heat-shrinkable laminate film has a birefringence index (Δn) of 1.0×10−3 or more and 80.0×10−3 or less. A molded product and a container is obtained by using the heat-shrinkable laminate film.
摘要翻译：本发明提供一种热收缩性层压膜，成型体和容器，具有优异的耐断裂性，刚性，再生后的透明性，特别是优异的收缩整理质量。 [解决方案]将热收缩性层压膜在至少一个轴向上被拉伸，所述至少一个轴向至少包括三层，其中间层和中间层的相应侧上具有前后层。中间层由主要由至少一种聚苯乙烯基树脂组成的层构成。前层和后层由主要由至少一种聚酯类树脂构成的层构成。前层和后层的厚度比基于膜的总厚度为75％以下。聚苯乙烯类树脂优选为嵌段共聚物。此外，优选地，热收缩性层压膜的双折射指数（Deltan）为1.0×10 -3以上且80.0×10 -3 -3以下。通过使用热收缩性层压膜获得成型品和容器。

6. 发明申请

US20080026170A1 Heat-Shrinkable Laminate Film, Molded Product and Heat Shrinkable Label Employing the Film, and Container 有权
标题翻译：热收缩层压膜，成型产品和采用薄膜和容器的热缩标签
公开(公告)号：US20080026170A1
公开(公告)日：2008-01-31
申请号：US11570002
申请日：2005-06-01
申请人： Takeyoshi Yamada , Takashi Hiruma , Yukihiro Tanaka , Jun Takagi , Hideyasu Miyazaki
发明人： Takeyoshi Yamada , Takashi Hiruma , Yukihiro Tanaka , Jun Takagi , Hideyasu Miyazaki
IPC分类号： B65B53/02 , B65D23/08
CPC分类号： B32B27/08 , B29C61/003 , B29K2067/00 , B29L2009/00 , B32B7/12 , B32B27/302 , B32B27/36 , B32B2305/70 , B32B2307/736 , B32B2519/00 , Y10T428/1328 , Y10T428/1352 , Y10T428/31797
摘要： To provide a heat-shrinkable laminate film excellent in film elasticity (rigidity at room temperature), shrink finishing quality, transparency when incorporated as recycled and natural shrinkage and having delamination of the film suppressed, so that it is suitable for application in shrink wrapping, shrink bundling wrapping, shrink label, etc., and a plastic container provided with a heat shrinkable label made of such a film.A laminated film comprising a surface layer (S layer) composed mainly of a polyester resin, an intermediate layer (M layer) composed mainly of a styrene resin and an adhesive layer (AD layer) composed mainly of an adhesive resin, wherein its heat shrinkage is at least 30% in at least one direction when it is dipped in warm water of 80° C. for 10 seconds, or its tensile modulus of elasticity in a direction perpendicular to the main shrink direction is at least 1,200 MPa.
摘要翻译：为了提供膜弹性（室温刚性）优异的收缩整理质量，当再循环引入时的透明性和自然收缩以及膜的分层抑制的热收缩层压膜，因此适用于收缩包装，收缩捆扎包装，收缩标签等，以及设置有由这种膜制成的热收缩标签的塑料容器。主要由聚酯树脂构成的表面层（S层），主要由苯乙烯系树脂构成的中间层（M层）和主要由粘接性树脂构成的粘接层（AD层）的层压膜，其热收缩率当其在80℃的温水中浸渍10秒钟时，在至少一个方向上至少为30％，或者其在与主收缩方向垂直的方向上的拉伸弹性模量为至少1200MPa。

7. 发明授权

US08962113B2 Heat-shrinkable laminate film, molded product and heat shrinkable label employing the film, and container 有权
标题翻译：热收缩层压膜，成型品和使用该膜的热收缩标签和容器
公开(公告)号：US08962113B2
公开(公告)日：2015-02-24
申请号：US11570002
申请日：2005-06-01
申请人： Takeyoshi Yamada , Takashi Hiruma , Yukihiro Tanaka , Jun Takagi , Hideyasu Miyazaki
发明人： Takeyoshi Yamada , Takashi Hiruma , Yukihiro Tanaka , Jun Takagi , Hideyasu Miyazaki
IPC分类号： B32B1/08 , B32B27/36 , B29C61/00 , B29K67/00 , B29L9/00
CPC分类号： B32B27/08 , B29C61/003 , B29K2067/00 , B29L2009/00 , B32B7/12 , B32B27/302 , B32B27/36 , B32B2305/70 , B32B2307/736 , B32B2519/00 , Y10T428/1328 , Y10T428/1352 , Y10T428/31797
摘要： The present invention relates to a heat-shrinkable laminate film comprising a surface layer composed mainly of polyester resin, an intermediate layer composed mainly of styrene resin, and an adhesive layer composed mainly of adhesive resin, wherein heat shrinkage in the main shrink direction is at least 10% and less than 30% when the film is dipped in water of 70° C. for 10 seconds, and at least 30% and at most 70% when dipped in water of 80° C. for 10 seconds, or its tensile modulus of elasticity in a direction perpendicular to the main shrink direction is at least 1,200 MPa. The heat-shrinkable film has excellent film elasticity, shrink finishing quality, transparency when incorporated as recycled, natural shrinkage, and suppressed delamination, making it suitable for application in shrink wrapping, shrink bundling wrapping, shrink label, and a plastic container provided with a heat shrinkable film made of such a film.
摘要翻译：本发明涉及一种热收缩层压膜，其包含主要由聚酯树脂构成的表面层，主要由苯乙烯树脂构成的中间层和主要由粘合树脂组成的粘合层，其中主收缩方向的热收缩在当将该膜浸入70℃的水中10秒钟时，至少10％且小于30％，并且当浸入80℃的水中10秒钟时至少30％和至多70％，或其拉伸在与主收缩方向垂直的方向上的弹性模量为至少1200MPa。该热收缩膜具有优异的膜弹性，收缩整理质量，当作为再循环引入时的透明性，自然收缩和抑制分层，使其适用于收缩包装，收缩捆扎包装，收缩标签和设置有由这种薄膜制成的热收缩膜。

8. 发明申请

US20090263600A1 LAMINATED SHEET MATERIAL 审中-公开
标题翻译：层压材料
公开(公告)号：US20090263600A1
公开(公告)日：2009-10-22
申请号：US12373723
申请日：2007-07-17
申请人： Kazuhisa Miyashita , Takashi Hiruma , Maiko Suzuki , Takeyoshi Yamada , Kazuya Tanaka , Jun Takagi
发明人： Kazuhisa Miyashita , Takashi Hiruma , Maiko Suzuki , Takeyoshi Yamada , Kazuya Tanaka , Jun Takagi
IPC分类号： B32B1/02 , B32B27/36 , B32B27/06
CPC分类号： B32B27/08 , B32B27/32 , B32B27/36 , B32B2272/00 , B32B2307/412 , B32B2307/558 , B32B2425/00 , B32B2553/00 , C08L67/04 , Y10T428/1334 , Y10T428/1352 , Y10T428/31786 , Y10T428/31797 , C08L2666/18 , C08L2666/06
摘要： The present invention provides a high quality laminated sheet material prepared using as much materials of biological origin as possible in order to contribute to the prevention of deterioration of the environment and provide a reduction in the amount of exhaustible resources being consumed.The laminated sheet material of the present invention is characterized by having at least one first layer and at least two different kinds of layers selected from the group consisting of a second layer, a third layer and a fourth layer, wherein the first layer has a resin composition A which includes a polyester resin (a) containing 25% or more of a component of biological origin and a polyolefin resin (b); the second layer has as the main component the polyester resin (a) containing 25% or more of a component of biological origin; the third layer has as the main component the polyolefin resin (b); and the fourth layer has as the main component an adhesive resin (c).
摘要翻译：本发明提供了使用尽可能多的生物来源材料制备的高品质层压片材，以有助于防止环境恶化并且减少被消耗的可耗尽资源的量。本发明的层压片材的特征在于，具有至少一个第一层和至少两种选自第二层，第三层和第四层的层，其中第一层具有树脂组合物A，其包含含有25％以上的生物成分成分的聚酯树脂（a）和聚烯烃树脂（b）; 第二层作为主要成分，含有25％以上的生物成分成分的聚酯树脂（a）第三层为聚烯烃树脂（b）的主要成分; 第四层为粘结树脂（c）的主要成分。

9. 发明申请

US20090202758A1 HEAT-SHRINKABLE LAMINATED FILM, MOLDED PRODUCT AND HEAT SHRINKABLE LABEL AND CONTAINER, EMPLOYING THE FILM 审中-公开
标题翻译：热收缩层压膜，模制产品和热收缩标签和容器，使用电影
公开(公告)号：US20090202758A1
公开(公告)日：2009-08-13
申请号：US12306599
申请日：2007-06-29
申请人： Takashi Hiruma , Takeyoshi Yamada , Hiroyuki Tozaki , Kazuhisa Miyashita , Jun Takagi
发明人： Takashi Hiruma , Takeyoshi Yamada , Hiroyuki Tozaki , Kazuhisa Miyashita , Jun Takagi
IPC分类号： B32B27/08 , B65B53/00
CPC分类号： B29C61/003 , B29L2009/00 , B29L2031/744 , B32B27/28 , B32B27/306 , B32B27/32 , B32B27/365 , B32B2270/00 , B32B2307/736 , B32B2519/00 , Y10T428/1328 , Y10T428/31909
摘要： The present invention provides a heat-shrinkable laminated film having at least three layers including: a (I) layer; and two (II) layers respectively disposed on each surface of the (I) layer, the (I) layer being composed by a layer containing at least one polyolefin series resin as a main component and the (II) layer being composed by a layer containing at least one polylactic acid series resin as a main component, and the storage elastic modulus (E′) of the laminated film at 80° C. being 10 MPa or more and 1,000 MPa or less when dynamic viscoelasticity about a direction orthogonal to the film's main shrinking direction is measured under a condition of vibrational frequency at 10 Hz, strain at 0.1%. The film of the invention exhibits excellent shrink finishing quality, heat-shrinkage property at low temperature, and small natural shrinkage; thereby suitably used for shrinkable packing, shrinkable banding packing, shrinkable label and the like.
摘要翻译：本发明提供一种具有至少三层的热收缩层叠膜，包括：（I）层; 和（II）层分别设置在（I）层的每个表面上，（I）层由包含至少一种聚烯烃系列树脂作为主要成分的层构成，（II）层由层含有至少一种聚乳酸系树脂作为主要成分，并且当与所述聚酰胺类树脂正交的方向的动态粘弹性时，层压膜在80℃下的储能弹性模量（E'）为10MPa以上至1,000MPa以下膜的主要收缩方向是在振动频率为10 Hz，应变为0.1％的条件下测量的。本发明的膜具有优异的收缩整理质量，低温下的热收缩性能和较小的自然收缩率; 从而适用于可收缩包装，可收缩条带包装，可收缩标签等。

10. 发明申请

US20090022916A1 HEAT-SHRINKABLE LAMINATED FILM, MOLDED PRODUCT AND HEAT-SHRINKABLE LABEL EMPLOYING THE FILM, AND CONTAINER 有权
标题翻译：热收缩层压膜，模制产品和使用电影的热收缩标签和容器
公开(公告)号：US20090022916A1
公开(公告)日：2009-01-22
申请号：US11813665
申请日：2006-01-11
申请人： Takeyoshi Yamada , You Miyashita
发明人： Takeyoshi Yamada , You Miyashita
IPC分类号： B32B27/32
CPC分类号： B65D23/0878 , B29C61/003 , B29L2031/744 , B32B7/12 , B32B27/08 , B32B27/28 , B32B27/32 , B32B27/36 , B32B2307/30 , B32B2307/736 , B32B2323/00 , B32B2439/00 , B32B2519/00 , B65D25/36 , C09J7/29 , C09J2201/162 , C09J2203/334 , C09J2423/006 , C09J2467/006 , G09F3/04 , Y02W90/12 , Y10T428/1328 , Y10T428/1352 , Y10T428/2495 , Y10T428/2826 , Y10T428/2848 , Y10T428/31797 , Y10T428/31913
摘要： The present invention provides a heat-shrinkable laminated film including at least two layers, in which the first layer is composed of at least one kind of a polylactic acid series resin as the main component and the second layer is composed of at least one kind of a polyolefin series resin as the main component. Heat shrinkage ratio of this film in the film main shrinking direction is 30% or more when dipped in warm water of 80° C. for 10 seconds. Since this heat-shrinkable laminated film is made from a plant-derived resin, it promotes a use of biomass. Also, as this film exhibits excellent shrinkage property in low temperature, film rigidity, shrink finishing quality, and small natural shrinkage ratio, the film is suitably used for a molded product which requires heat shrinkage property, specifically, it is suitably used for shrinkable label.
摘要翻译：本发明提供一种包含至少两层的热收缩层合膜，其中第一层由至少一种聚乳酸类树脂作为主要成分构成，第二层由至少一种聚烯烃系列树脂为主要成分。当在80℃的温水中浸渍10秒时，该薄膜主收缩方向的热收缩率为30％以上。由于该热收缩性层压膜是由植物来源的树脂制成的，所以能促进生物质的利用。此外，由于该膜在低温下具有优异的收缩性，膜刚性，收缩整理质量和小的自然收缩率，所以该膜适合用于需要热收缩性能的成型产品，特别适合用于收缩标签。

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