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公开(公告)号:US20080299364A1
公开(公告)日:2008-12-04
申请号:US12065249
申请日:2006-08-30
IPC分类号: B32B7/02
CPC分类号: B32B27/08 , B32B27/32 , B32B2307/50 , B32B2307/72 , B32B2323/046 , B32B2323/10 , Y10T428/2495
摘要: A multilayer film containing at least three layers, two outer layers and a core layer, each outer layer independently having at least 50% wt of a single site catalyst produced LLDPE component having a density of less than 940 kg/m3 and preferably an LDPE component and the core layer containing a polypropylene component and a single site produced LLDPE component having a density of less than 940 kg/m3.
摘要翻译: 包含至少三个层,两个外层和芯层的多层膜,每个外层独立地具有至少50重量%的单中心催化剂产生密度小于940kg / m 3的LLDPE组分,优选LDPE组分 并且含有聚丙烯组分和单个位点的芯层产生密度小于940kg / m 3的LLDPE组分。
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公开(公告)号:US20100009156A1
公开(公告)日:2010-01-14
申请号:US12519016
申请日:2007-12-19
申请人: Hans Georg Daviknes , Ole Jan Myhre
发明人: Hans Georg Daviknes , Ole Jan Myhre
CPC分类号: B32B27/32 , B32B27/308 , B32B27/327 , B32B2250/24 , B32B2250/242 , B32B2250/246 , B32B2270/00 , B32B2307/516 , B32B2439/46 , Y10T428/31797 , Y10T428/31938
摘要: The present invention provides a uniaxially oriented multilayer film comprising at least (i) an outer layer (B) and (ii) an inner layer (C), wherein said layer (B) (i) comprises a multimodal linear low density polyethylene (LLDPE), said layer (C) (ii) comprises at least one polymer component which has a Tm
摘要翻译: 本发明提供了至少包含(i)外层(B)和(ii)内层(C)的单轴取向多层膜,其中所述层(B)(i)包含多峰线性低密度聚乙烯(LLDPE ),所述层(C)(ii)包含至少一种具有Tm <100℃的聚合物组分,并且所述多层膜是拉伸膜的形式,其在纵向(MD)上单轴取向 至少1:3的拉伸比。
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公开(公告)号:US20090317614A1
公开(公告)日:2009-12-24
申请号:US12227111
申请日:2007-05-08
CPC分类号: C08L23/08 , B32B27/32 , B32B27/322 , C08J5/18 , C08J2323/08 , C08L23/0807 , C08L23/0815 , C08L23/0869 , C08L2205/02 , C08L2314/02 , C08L2314/06 , Y10T428/31917 , C08L2666/06
摘要: A film, such as a monolayer film or multilayer, or a polymer composition comprising at least one single site produced LLDPE (mLLDPE) and an ethylene acrylate copolymer.
摘要翻译: 包括单层膜或多层的膜或包含至少一个单位的聚合物组合物制备LLDPE(mLLDPE)和乙烯丙烯酸酯共聚物。
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公开(公告)号:US20100304062A1
公开(公告)日:2010-12-02
申请号:US12517908
申请日:2007-12-19
申请人: Hans Georg Daviknes , Ole Jan Myhre
发明人: Hans Georg Daviknes , Ole Jan Myhre
CPC分类号: B32B27/32 , Y10T428/1334 , Y10T428/31917
摘要: The present invention provides a uniaxially oriented multilayer film comprising at least (i) a layer (A) and (ii) a layer (B), wherein said layer (A) comprises a linear low density polyethylene (LLDPE) comprising (e.g. selected from):—a multimodal LLDPE produced using a Ziegler Natta catalyst (znLLDPE), or—a LLDPE produced using a single site catalyst (mLLDPE) or—a mixture of a mLLDPE and a multimodal znLLDPE, said layer (B) comprises a multimodal LLDPE, and said multilayer film is in the form of a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3.
摘要翻译: 本发明提供了至少包含(i)层(A)和(ii)层(B)的单轴取向多层膜,其中所述层(A)包含线性低密度聚乙烯(LLDPE),其包含(例如, ): - 使用齐格勒纳塔催化剂(znLLDPE)产生的多峰LLDPE或使用单中心催化剂(mLLDPE)生产的LLDPE或者mLLDPE和多峰znLLDPE的混合物,所述层(B)包含多峰LLDPE 并且所述多层膜呈拉伸膜的形式,其以纵向方向(MD)以至少1:3的拉伸比单轴取向。
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公开(公告)号:US06582795B1
公开(公告)日:2003-06-24
申请号:US09701296
申请日:2000-12-12
IPC分类号: B32B2732
CPC分类号: B32B27/08 , B32B27/306 , B32B27/32 , B32B38/1808 , B32B38/1825 , B32B2307/514 , B32B2323/04 , B32B2333/12 , C08L23/0815 , C08L23/0869 , C08L2314/06 , Y10S428/91 , Y10T428/24058 , Y10T428/31913 , Y10T428/31928 , Y10T428/31935 , C08L2666/04
摘要: The present invention concerns a polymer composition and films manufactured from such compositions. The present polymer compositions comprise 80-99 wt-% on an essentially linear polyethylene with a component having a relatively low MW and a relatively high density, and another component having a relatively high MW and a relatively low density, said linear polyethylene having an MFR21 of at least 5 g/10 min, a maximum MFR2 of 6 g/10 min, a density of 915-945 kg/m3. Further the compositions contain 1-20 wt-% of a branched copolymer of ethylene and an acrylate monomer with 20-28 wt-% acrylate monomer units. The MFR2 of the copolymer is 0.4 to 2.0 g/10 min. Cross-laminated film materials having good mechanical properties can be manufactured from the present compositions.
摘要翻译: 本发明涉及聚合物组合物和由这些组合物制造的薄膜。 本发明的聚合物组合物包含80-99重量%的基本上线性的聚乙烯,其组分具有相对低的MW和相对高的密度,另一个组分具有相对较高的MW和相对低的密度,所述线性聚乙烯具有MFR 21 至少5g / 10min,最大MFR 2为6g / 10min,密度为915-945kg / m 3。 此外,组合物含有1-20重量%的乙烯和具有20-28重量%丙烯酸酯单体单元的丙烯酸酯单体的支化共聚物。 共聚物的MFR 2为0.4〜2.0g / 10分钟。 可以由本发明的组合物制造具有良好机械性能的交叉层压薄膜材料。
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公开(公告)号:US07812094B2
公开(公告)日:2010-10-12
申请号:US12309301
申请日:2007-07-12
IPC分类号: C08L23/04
CPC分类号: B32B27/08 , B32B27/32 , B32B2270/00 , B32B2323/043 , B32B2323/046 , C08L23/06 , C08L23/0815 , Y10T428/31938 , C08L2666/06
摘要: The invention relates to a polymer blend suitable for the production of film, said polymer blend comprising at least (1) a multimodal high density polyethylene (HDPE) composition and (2) a low density polyethylene (LDPE) polymer, a linear low density polyethylene (LLDPE) polymer or a mixture of LDPE and LLDPE polymers, said HDPE composition comprising a multimodal HDPE polymer which contains at least a lower molecular weight (LMW) polyethylene component and a higher molecular weight (HMW) polyethylene component.
摘要翻译: 本发明涉及一种适用于生产膜的聚合物共混物,所述聚合物共混物包含至少(1)多峰高密度聚乙烯(HDPE)组合物和(2)低密度聚乙烯(LDPE)聚合物,线性低密度聚乙烯 (LLDPE)聚合物或LDPE和LLDPE聚合物的混合物,所述HDPE组合物包含含至少较低分子量(LMW)聚乙烯组分和较高分子量(HMW)聚乙烯组分的多峰HDPE聚合物。
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公开(公告)号:US07517941B2
公开(公告)日:2009-04-14
申请号:US10523424
申请日:2003-07-29
CPC分类号: C08L23/06 , C08F297/083 , C08L23/0815 , Y10T428/31855 , C08L2666/06
摘要: A shrink film comprising a polyethylene film of thickness 5 to 500 μm, wherein the polyethylene comprises an ethylene homopolymer-copolymer mixture having a molecular weight distribution in the range of 5 to 40, and a weight average molecular weight of at least 100 kD.
摘要翻译: 一种包含厚度为5-500μm的聚乙烯薄膜的收缩薄膜,其中所述聚乙烯包括分子量分布在5至40范围内且重均分子量至少为100kD的乙烯均聚物 - 共聚物混合物。
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公开(公告)号:US20100047599A1
公开(公告)日:2010-02-25
申请号:US12309301
申请日:2007-07-12
CPC分类号: B32B27/08 , B32B27/32 , B32B2270/00 , B32B2323/043 , B32B2323/046 , C08L23/06 , C08L23/0815 , Y10T428/31938 , C08L2666/06
摘要: The invention relates to a polymer blend suitable for the production of film, said polymer blend comprising at least (1) a multimodal high density polyethylene (HDPE) composition and (2) a low density polyethylene (LDPE) polymer, a linear low density polyethylene (LLDPE) polymer or a mixture of LDPE and LLDPE polymers, said HDPE composition comprising a multimodal HDPE polymer which contains at least a lower molecular weight (LMW) polyethylene component and a higher molecular weight (HMW) polyethylene component.
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公开(公告)号:US07504141B2
公开(公告)日:2009-03-17
申请号:US10523359
申请日:2003-07-29
IPC分类号: B65B53/00 , B65B53/02 , C08F210/00 , C08F210/02
CPC分类号: C08J5/18 , C08F210/16 , C08F297/083 , C08J2323/08 , C08L23/0815 , C08L2205/02 , Y10T428/13 , Y10T428/1303 , Y10T428/1328 , Y10T428/1352 , Y10T428/1359 , C08F2/001 , C08L2666/06 , C08F210/08 , C08F2500/12 , C08F2500/04 , C08F2500/26
摘要: A shrink film comprising a polyethylene film, characterized in that said polyethylene is an ethylene copolymer mixture having a molecular weight distribution in the range 10 to 35, a density of 915 to 940 kg/m3, a weight average molecular weight of at least 100000 D and an MFR2.16 (190° C.) of 0.1 to 0.9 kg/m3, which copolymer mixture is produced by a two or more stage copolymerization of ethylene and 2 to 10% mole (relative to ethylene) of a C3-12 alpha-olefin comonomer in a series of reactors including at least one slurry loop reactor and at least one gas phase reactor using a heterogeneous Ziegler-Natta catalyst.
摘要翻译: 一种包含聚乙烯膜的收缩膜,其特征在于所述聚乙烯是分子量分布在10至35,密度为915至940kg / m 3,重均分子量至少为100000D的乙烯共聚物混合物 并且MFR2.16(190℃)为0.1至0.9kg / m 3,该共聚物混合物通过乙烯和2-10%摩尔(相对于乙烯)的C3-12α的两个或多个阶段共聚制备 烯烃共聚单体在一系列反应器中,包括至少一个淤浆环流反应器和至少一个使用异质齐格勒 - 纳塔催化剂的气相反应器。
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