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公开(公告)号:US6033775A
公开(公告)日:2000-03-07
申请号:US980456
申请日:1997-11-28
CPC分类号: C08L53/00 , B32B27/32 , C08F297/083 , C08L23/02 , Y10S428/91 , Y10T428/2826 , Y10T428/31913 , Y10T428/31928
摘要: A film containing a first layer containing a propylene-based block copolymer (a) obtainable by forming 40 to 85% by weight of a propylene-ethylene copolymer portion (A) having a content of repeating unit derived from ethylene of 1.5 to 6.0% by weight in a first step, and then forming 15 to 60% by weight of a propylene-ethylene copolymer portion (B) having a content of repeating unit derived from ethylene of 7 to 17% by weight in a second step, the intrinsic viscosity of portion (B) being 2 to 5 dl/g, and the ratio of the intrinsic viscosity of portion (B) to the intrinsic viscosity of portion (A) being 0.5 to 1.8, and a second layer containing a polyethylene type resin (b) laminated on at least one surface of the first layer, has a good balance between heat resistance, flexibility, mechanical strength, transparency, cuttability, original-shape resuming property and other desirable properties, and is suitably used for wrapping materials such as foods.
摘要翻译: 含有含有丙烯类嵌段共聚物(a)的第一层的膜可以通过将由乙烯衍生的重复单元的含量为1.5〜6.0%的丙烯 - 乙烯共聚物部分(A)的40〜85重量% 重量,然后在第二步中形成15至60重量%的由乙烯重复单元含量为7至17重量%的丙烯 - 乙烯共聚物部分(B)的特性粘度 部分(B)为2〜5dl / g,部分(B)的特性粘度与部分(A)的特性粘度的比例为0.5〜1.8,第二层含有聚乙烯型树脂(b) 层压在第一层的至少一个表面上,在耐热性,柔韧性,机械强度,透明性,可切割性,原始形状恢复性能和其它期望的性能之间具有良好的平衡,并且适合用于包装食品等材料。
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公开(公告)号:US6117553A
公开(公告)日:2000-09-12
申请号:US964334
申请日:1997-11-04
CPC分类号: C08J5/18 , B32B27/08 , C08L51/06 , C08L53/00 , C08J2323/08 , C08J2323/14 , C08J2325/04 , C08J2333/12 , C08J2353/00 , C08J2367/00 , C08J2377/00
摘要: There is provided a self-tack wrapping film comprising a non-oriented multi-layer film of a chlorine-free resin, which is regulated in (a) tensile breaking elongation at a longitudinal direction, (b) ratio of a tensile breaking elongation at a transverse direction to the tensile breaking elongation at a longitudinal direction, (c) tensile breaking load at a longitudinal direction (LLD), (d) ratio of the tensile breaking load at a longitudinal direction to a tensile breaking load at a transverse direction, (e) tensile modulus at a longitudinal direction and that at a transverse direction, (f) tackiness, (g) heat resistant temperature and (h) respective thermal shrinkage percents at longitudinal and transverse directions, to a predetermined range, which wrapping film has improved tackiness, heat resistance, microwave oven suitability and "saw blade" cutting characteristics, and appropriate flexibility.
摘要翻译: 提供了一种自粘包装膜,其包含无取向多层膜的无氯树脂,其被调节为(a)纵向的拉伸断裂伸长率,(b)拉伸断裂伸长率 (c)纵向拉伸断裂载荷(LLD)的横向,(d)纵向拉伸断裂载荷与横向拉伸断裂载荷的比例, (e)纵向上的拉伸模量和横向的拉伸模量,(f)粘合性,(g)耐热温度和(h)纵向和横向各自的热收缩百分比达到预定范围,该包装膜具有 改进的粘性,耐热性,微波炉适用性和“锯片”切割特性,以及适当的灵活性。
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公开(公告)号:US5462777A
公开(公告)日:1995-10-31
申请号:US266575
申请日:1994-06-28
申请人: Haruo Hayashida , Akihiro Ichige , Tadatoshi Ogawa , Takeshi Yamada , Teruo Tada , Masaaki Zenigame , Toyoki Wano , Kazuo Kondo
发明人: Haruo Hayashida , Akihiro Ichige , Tadatoshi Ogawa , Takeshi Yamada , Teruo Tada , Masaaki Zenigame , Toyoki Wano , Kazuo Kondo
IPC分类号: B29C55/12 , B29K23/00 , B29L9/00 , B32B27/00 , B32B27/08 , B32B27/32 , B65D75/00 , C08F4/60 , C08F4/64 , C08F10/00 , C08F210/06 , C08F210/16 , B65D71/00
CPC分类号: B32B27/32 , B65D75/006 , Y02W30/801 , Y10S428/91 , Y10S428/913 , Y10T428/2826 , Y10T428/31913
摘要: A wrapping multilayer film comprising at least 5 layers of(A) both the outermost layers each comprising an ethylene-.alpha.-olefin copolymer having an ethylene content of at least 50 mol %,(B) layers each comprising a propylene polymer and being disposed between the outermost layers (A), and(C) a layer comprising recycled resins and being disposed between the layers (B).
摘要翻译: 包含至少5层(A)的至少5层的包裹多层膜,(A)两个最外层各自包含乙烯含量为至少50摩尔%的乙烯-α-烯烃共聚物,(B)各自包含丙烯聚合物的层,并且位于 最外层(A)和(C)包含再循环树脂并设置在层(B)之间的层。
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公开(公告)号:US5736260A
公开(公告)日:1998-04-07
申请号:US533553
申请日:1995-09-25
申请人: Haruo Hayashida , Akihiro Ichige , Takeshi Yamada , Kazuo Kondo , Teruo Tada , Toyoki Wano , Masaaki Zenigame
发明人: Haruo Hayashida , Akihiro Ichige , Takeshi Yamada , Kazuo Kondo , Teruo Tada , Toyoki Wano , Masaaki Zenigame
CPC分类号: B32B27/32 , Y10S428/91 , Y10T428/31913
摘要: A laminated film useful for packaging includes two outer layers and a core layer of a polypropylene resin interposed therebetween. Each of the outer layers includes (A) an ethylene-.alpha.-olefin copolymer having a density of less than 0.910 g/cm.sup.3 but not less than 0.870 g/cm.sup.3 and an ethylene content of at least 50 mol % and showing only one endothermic peak when analyzed by differential scanning calorimetry (DSC), (B) an ethylene-.alpha.-olefin copolymer having a density of 0.910-0.935 g/cm.sup.3 and an ethylene content of at least 50 mol %, and (C) an anti-fogging agent. The density of (B) is greater by at least 0.008 g/cm.sup.3 than that of (A).
摘要翻译: 可用于包装的层压膜包括两个外层和插入其间的聚丙烯树脂的芯层。 每个外层包括(A)密度小于0.910g / cm 3但不小于0.870g / cm 3的乙烯-α-烯烃共聚物和至少50mol%的乙烯含量并且仅显示一个吸热峰 当通过差示扫描量热法(DSC)分析时,(B)密度为0.910-0.935g / cm3,乙烯含量为至少50mol%的乙烯-α-烯烃共聚物,(C)防雾剂 。 (B)的密度比(A)的密度高至少0.008g / cm 3。
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公开(公告)号:US5460879A
公开(公告)日:1995-10-24
申请号:US93875
申请日:1993-07-20
申请人: Haruo Hayashida , Akihiro Ichige , Kozo Kotani , Toshio Kawakita , Takanori Kume , Teruaki Yoshida , Takeshi Yamada , Yufu Sato
发明人: Haruo Hayashida , Akihiro Ichige , Kozo Kotani , Toshio Kawakita , Takanori Kume , Teruaki Yoshida , Takeshi Yamada , Yufu Sato
CPC分类号: B32B27/32 , Y10S428/91 , Y10T428/2826 , Y10T428/31855 , Y10T428/31913
摘要: A laminate film for wrapping which comprises a layer comprising (A) an ethylene-.alpha.-olefin copolymer having a coefficient of variation of composition distribution (Cx) represented by equation shown below of 0.40 or less and having an ethylene content of 50 mol % or more and at least one layer of a different kind;Cx=.sigma./SCB.sub.avewherein .sigma. is a standard deviation of composition distribution (1/1000 C), and SCB.sub.ave is an average of the number of short chain branchings per 1000 C (1/1000 C).The film is safe and hygienic, less odorous and excellent in transparency, mechanical strength, softness, and low-temperature heat sealing properties and is therefore suitable to automatic wrapping, particularly stretch-wrapping.
摘要翻译: 一种用于包装的层压膜,其包含(A)由以下所示的等式表示的组成分布变化系数(Cx)为0.40以下且乙烯含量为50摩尔%的(A)乙烯-α-烯烃共聚物,或 更多和至少一层不同种类; Cx = sigma / SCBave,其中sigma是组成分布的标准偏差(1/1000℃),SCBave是每1000℃(1/1000℃)的短链分支数的平均值。 该膜具有安全卫生,气味少,透明度,机械强度,柔软度和低温热封性能优异,因此适用于自动包装,特别是拉伸包装。
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公开(公告)号:US5346944A
公开(公告)日:1994-09-13
申请号:US26096
申请日:1993-03-04
申请人: Haruo Hayashida , Ryoichi Nomura , Satoru Koyama
发明人: Haruo Hayashida , Ryoichi Nomura , Satoru Koyama
CPC分类号: C08K3/0008
摘要: A polyolefin resin composition for a film which consists essentially of a mixture of 100 parts by weight of a polyolefin resin with (a) 0.01-3.0 parts by weight of an antiblocking agent, the surface OH group content of which is 200 .mu.mol/g or less. The resin composition may further contain (b) 0.05-2.0 parts by weight of an antistatic agent consisting of (A) a glycerine fatty acid ester and (B) an alkyldiethanolamide in a weight ratio of A/B of 50/50-95/5 for antistatic film or (c) 0.05-3.0 parts by weight of at least one member selected from the group consisting of polyhydric alcohol fatty acid esters, alkylene oxide adducts of polyhydric alcohol fatty acid esters and higher alcohol-alkylene oxide adducts as an antifogging agent, or (d) 0.01-3.0 parts by weight of a phenol type antioxidant and (e) 0.01-0.2 part by weight of a phosphorous type antioxidant for forming a stabilized film.
摘要翻译: 一种用于膜的聚烯烃树脂组合物,其基本上由100重量份的聚烯烃树脂与(a)0.01-3.0重量份防粘连剂的混合物组成,所述防粘连剂的表面OH基含量为200μmol/ g 或更少。 该树脂组合物还可以含有(A)甘油脂肪酸酯(A)和(B)烷基二乙醇酰胺0.05重量份〜2.0重量份的重量比为50/50〜95 / 5,或(c)0.05-3.0重量份选自多元醇脂肪酸酯,多元醇脂肪酸酯的环氧烷加合物和高级醇 - 氧化烯加合物中的至少一种作为防雾剂 或(d)0.01-3.0重量份酚型抗氧化剂和(e)0.01-0.2重量份形成稳定膜的磷型抗氧化剂。
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7.
公开(公告)号:US4120931A
公开(公告)日:1978-10-17
申请号:US801020
申请日:1977-05-26
CPC分类号: B29C55/18
摘要: A method for producing a high-strength film of amorphous aromatic high polymers comprising rolling said polymer between rolls, and stretching the rolled film of said polymer.
摘要翻译: 一种无定形芳族高分子聚合物的高强度薄膜的制造方法,其特征在于,在辊之间滚动所述聚合物,拉伸所述聚合物的卷绕薄膜。
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8.
公开(公告)号:US4435350A
公开(公告)日:1984-03-06
申请号:US349940
申请日:1982-02-18
申请人: Nobuo Fukushima , Teruo Saitou , Haruo Hayashida
发明人: Nobuo Fukushima , Teruo Saitou , Haruo Hayashida
IPC分类号: B29C49/00 , B29C55/00 , B29C55/02 , B29C55/18 , B29K73/00 , B29L7/00 , C08J5/18 , C08L71/00 , B29C17/02
CPC分类号: C08J5/18 , B29C55/005 , B29C55/18 , C08L71/00 , B29K2071/00 , B29K2086/00 , C08J2371/00 , C08J2371/02
摘要: A method for the orientation of a thermoplastic polyether ether ketone film or sheet is described, which comprises rolling the thermoplastic polyether ether ketone film or sheet containing therein a repeating unit represented by the formula: ##STR1## singly or in combination with one or more different repeating units at a linear pressure of at least 100 kg/cm by the use of at least one pair of pressure rolls maintained within a temperature range of from 80.degree. C. to 320.degree. C. while applying a backward tension of at least 80 kg/cm.sup.2.
摘要翻译: 对热塑性聚醚醚酮膜或片材的取向的方法进行说明,其中包括单独地或与一种或多种不同的组合滚动含有由下式表示的重复单元的热塑性聚醚醚酮膜或片: 通过使用保持在80℃至320℃的温度范围内的至少一对压力辊,在至少100kg / cm 2的线性压力下重复单元,同时施加至少80kg的后向张力 / cm2。
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公开(公告)号:US5913999A
公开(公告)日:1999-06-22
申请号:US782086
申请日:1997-01-13
申请人: Haruo Hayashida , Fumio Ishibashi , Kohji Kubo , Hiroaki Takahata , Yuji Gotoh
发明人: Haruo Hayashida , Fumio Ishibashi , Kohji Kubo , Hiroaki Takahata , Yuji Gotoh
IPC分类号: B29C35/08 , B29C43/28 , B29C47/00 , B29C47/02 , B29C47/06 , B29C59/10 , B29C59/12 , B29C59/14 , B29C59/16 , B32B37/15 , C08J5/12 , C08J7/12 , B32B31/00
CPC分类号: B32B37/153 , B29C43/28 , B32B38/0008 , B32B38/0036 , C08J5/12 , C08J7/12 , B29C2035/0827 , B29C2035/0877 , B29C47/00 , B29C47/0021 , B29C59/10 , B29C59/14 , B29C59/16
摘要: A process for producing an extrusion laminated film or sheet comprising a plastic substrate and a resin for extrusion laminating selected from the group consisting of polyethylene resins, polypropylene resins, ethylene-vinylester copolymer resins and ethylene-(metha)acrylate copolymer resins, comprising (A) a surface oxidizing step, (B) an ozone-treating step and (C) a pressurized laminating step as specified using no chemical primer.
摘要翻译: 一种挤出层叠膜或片材的制造方法,其包括由聚乙烯树脂,聚丙烯树脂,乙烯 - 乙烯基酯共聚物树脂和乙烯 - (甲基)丙烯酸酯共聚物树脂组成的组中的塑料基材和用于挤出层压的树脂,其包含(A )表面氧化步骤,(B)臭氧处理步骤和(C)不使用化学底漆规定的加压层压步骤。
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公开(公告)号:US4820761A
公开(公告)日:1989-04-11
申请号:US217139
申请日:1988-07-05
申请人: Teruo Saito , Haruo Hayashida , Kazuo Hieda
发明人: Teruo Saito , Haruo Hayashida , Kazuo Hieda
CPC分类号: C08K3/0033 , C08K7/02 , C08L81/06
摘要: An aromatic polysulfone resin composition comprising 20 to 80% by weight of an aromatic polysulfone, 10 to 70% by weight of wallastonite and 0.5 to 20% by weight of a fluororesin. The aromatic polysulfone resin composition is superior in heat resistance, strength, stiffness, flame resistance, processability, etc. as engineering plastics.
摘要翻译: 芳族聚砜树脂组合物,其包含20至80重量%的芳族聚砜,10至70重量%的硅酸镁和0.5至20重量%的氟树脂。 芳香族聚砜树脂组合物作为工程塑料具有优异的耐热性,强度,刚度,阻燃性,加工性等。
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