专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

81. 发明授权

US5100924A Open cell foam compositions 失效
标题翻译：开孔泡沫组合物
公开(公告)号：US5100924A
公开(公告)日：1992-03-31
申请号：US750937
申请日：1991-08-28
申请人： Akitak A. Senuma , Kiroku Tsukada , Nobuaki Hirose , Isao Noda
发明人： Akitak A. Senuma , Kiroku Tsukada , Nobuaki Hirose , Isao Noda
IPC分类号： C08J9/00
CPC分类号： C08J9/0061 , C08J2323/04 , C08J2383/04 , C08J2423/00 , C08J2483/00
摘要： A composition comprising:(i) a blend of a homopolymer of ethylene or a copolymer of ethylene and one or more comonomers; an organopolysiloxane; optionally, a monomeric diene; and, optionally, an organic peroxide, said blend having a gel content of at least about 10 percent by weight; and(ii) a blowing agent.
摘要翻译：一种组合物，其包含：（i）乙烯均聚物或乙烯与一种或多种共聚单体的共聚物的共混物; 有机聚硅氧烷任选地，单体二烯; 和任选的有机过氧化物，所述共混物具有至少约10重量％的凝胶含量; 和（ⅱ）发泡剂。

82. 发明授权

US5079269A Process and composition for protecting and cushioning protrusions 失效
标题翻译：用于保护和缓冲突起的方法和组合物
公开(公告)号：US5079269A
公开(公告)日：1992-01-07
申请号：US323960
申请日：1989-03-14
申请人： Ralph J. Locke , David C. Netherton
发明人： Ralph J. Locke , David C. Netherton
IPC分类号： B65B55/20 , B65D81/02 , B65D81/20 , C08J9/12
CPC分类号： C08J9/12 , B65B55/20 , B65D81/02 , B65D81/2023 , C08J2323/04
摘要： A process for packaging a product, particularly one with sharp protrusions such as cuts of meat, a composition for cushioning the sharp protrusions during packaging and shipping and a foamed material prepared therefrom, the process including the steps of applying a foamed composition to the product to be package; and encasing the product in an outer package. The foamed material can be applied in liquid or semi-liquid form at a point-of-contact temperture less than about l30 .degree. F. with solidification occurring substantially on contact. The foamed material is, preferably, applied selectively to cover the sharp protrusions and contains a chemical substrate which includes a polymer selected from the group consisting of polyethylene, ethylene vinyl acetate and mixtures thereof, an aliphatic hydrocarbon and an antioxidant stabilizer. A suitable gas is encapsulated within the chemical substrate.
摘要翻译：一种用于包装产品的方法，特别是具有尖锐突起的产品，例如切肉，用于在包装和运输过程中缓冲尖锐突起的组合物和由其制备的泡沫材料，该方法包括以下步骤：将发泡组合物施加到产品上包装; 并将产品包装在外包装中。发泡材料可以在低于约130°F的接触点温度下以液体或半液体形式施加，其中固化基本上在接触时发生。优选地，发泡材料选择性地施加以覆盖尖锐突起并且包含化学基底，其包括选自聚乙烯，乙烯 - 乙酸乙烯酯及其混合物，脂族烃和抗氧化剂稳定剂的聚合物。合适的气体被封装在化学基底内。

83. 发明授权

US5043204A Oriented polyethylene film 失效
标题翻译：定向聚乙烯薄膜
公开(公告)号：US5043204A
公开(公告)日：1991-08-27
申请号：US278201
申请日：1988-11-30
申请人： Yasushi Itaba , Yutaka Yoshifuji , Takayoshi Kondo , Keichiro Saitoh , Tadao Yoshino , Minoru Izawa , Ichiro Sakamoto
发明人： Yasushi Itaba , Yutaka Yoshifuji , Takayoshi Kondo , Keichiro Saitoh , Tadao Yoshino , Minoru Izawa , Ichiro Sakamoto
IPC分类号： C08J5/18 , C08L23/04
CPC分类号： C08L23/06 , C08J5/18 , C08J2323/04 , C08L2205/03 , C08L23/0815 , C08L2312/00 , C08L57/00 , Y10T428/24942 , Y10T428/2495
摘要： An oriented polyethylene film with an excellent moistureproofness and optical property is provided in which the degree of crosslinking is uniform or decreases inwardly across the thickness of the film, and which consists of a composition comprising (A) 50 to 90% by weight of polyethylene with a density of at least 0.935 g/cm.sup.3 and a high load melt index to melt index ratio of at most 100 and (B) 50 to 10% by weight of a petroleum resin or linear low density polyethylene.

84. 发明授权

US4939181A Polyethylene composition, objects made therefrom and process for the manufacture of foamed objects 失效
标题翻译：聚乙烯组合物，由其制成的物体和用于制造发泡物体的方法
公开(公告)号：US4939181A
公开(公告)日：1990-07-03
申请号：US436750
申请日：1989-11-15
申请人： Franciscus J. J. Haselier
发明人： Franciscus J. J. Haselier
IPC分类号： C08J9/14 , C08J9/00 , C08L23/00 , C08L23/04 , C08L23/06 , C08L23/08
CPC分类号： C08J9/0061 , C08L23/06 , C08L23/0815 , C08J2323/04 , C08J2423/00
摘要： The invention relates to polyethylene compositions comprising 20-98 wt. % branched polyethylene (a) with a density of between 915 and 940 kg/m.sup.3 and a melt flow index of between 0.05 and 40 dg/minute, prepared by a high pressure radical process, and 2-80 wt. % substantially linear polyethylene (b) with a density of between 850 and 915 kg/m.sup.3, a melt flow index of between 0.05 and 25 dg/minute and a DSC crystallinity at 23.degree. C. of at least 10%, prepared with the aid of a transition metal catalyst, the difference between the highest crystallization temperature of branched polyethylene (a) and the highest DSC crystallization temperature of linear polyethylene (b) being at most 10.degree. C. and the mixture having a modulus of elasticity of at most 280 N/mm.sup.2 and objects made therefrom. These polyethylene compositions, when processed to foamed objects, have a high resistance to high temperatures as well as a high flexibility.

85. 发明授权

US4877814A Process for producing open-cell polyethylene foam materials and the resultant product 失效
标题翻译：生产开孔聚乙烯泡沫材料和所得产品的方法
公开(公告)号：US4877814A
公开(公告)日：1989-10-31
申请号：US304385
申请日：1986-09-05
申请人： Hiroo Ito
发明人： Hiroo Ito
IPC分类号： C08J9/00 , C08J9/10 , C08J9/38
CPC分类号： C08J9/38 , C08J9/0061 , C08J9/103 , C08J2323/04 , Y10S264/05 , Y10S264/16 , Y10S264/18
摘要： This disclosure relates to a method for producing polyethylene open-cell foam materials, comprising a process step of pressurized heating at a temperature of 110.degree. to 135.degree. C. of a base compound consisting of polyethylene or a copolymer of polyethylene which has been compounded with an azodicarbonamide foaming agent and a bridging agent, in order to obtain a primary intermediate product with a cubical expansion coefficient of 1.0 to 2.0 times; a process step of heating the primary intermediate product under normal atmospheric pressure at a temperature of 150.degree..about.190.degree. C. and thus causing the complete decomposition of the foaming agent in order to obtain a secondary intermediate product having cell membranes capable of being easily ruptured by mechanical compression; and a process step of subjecting said secondary intermediate product to mechanical pressure in order to rupture and interconnect the closed cells; and, as needed, a foaming assist agent, or a high-melting-point resin powder, or both a high-melting-point resin powder and a foaming assist agent are added to and compounded with the base compound so that the resulting products are high-expansive or ultra-high-expansive materials with an expansion ratio of 25 times said base compound, or more, and have an open-cell ratio nof 96.about.100%.
摘要翻译：本公开涉及一种生产聚乙烯开孔泡沫材料的方法，包括在110℃至135℃的温度下加压加热由聚乙烯或聚乙烯共聚物组成的基础化合物的加工步骤，所述聚合物与已经与偶氮二酰胺发泡剂和桥连剂，以获得立方体膨胀系数为1.0至2.0倍的初级中间产物; 在正常大气压下在150°F的温度下加热初级中间产物的工艺步骤，从而引起发泡剂的完全分解，以获得具有能够容易破裂的细胞膜的第二中间产物通过机械压缩; 以及使所述二次中间产物受到机械压力以使所述闭孔破裂和互连的处理步骤; 并且根据需要，向基础化合物中加入发泡助剂或高熔点树脂粉末，或高熔点树脂粉末和发泡助剂二者并与其混合，得到的产物为高膨胀性或超高膨胀性材料，其膨胀率为所述碱性化合物的25倍以上，并且具有96％的开孔率。

86. 发明授权

US4751141A Process for the manufacture and use of a polypropylene foil with improved adhesion 失效
标题翻译：用于制造和使用具有改善的粘附性的聚丙烯箔的方法
公开(公告)号：US4751141A
公开(公告)日：1988-06-14
申请号：US469495
申请日：1983-02-24
申请人： Roland Fink , Heinrich Heitz
发明人： Roland Fink , Heinrich Heitz
IPC分类号： C08J7/00 , C08K3/26 , C08L23/10 , B32B27/00
CPC分类号： C08K3/26 , C08J7/047 , C08L23/10 , C08L23/142 , C08J2323/04 , C08J2401/02 , C08L1/00 , C08L23/06 , C08L2310/00 , C08L53/02 , Y10T428/251 , Y10T428/253 , Y10T428/31855 , Y10T428/31888 , Y10T428/31938
摘要： A polypropylene foil with a content of fine particles of cellulose acquires substantially improved adhesion properties through surface activation, for example, radiation.
摘要翻译：具有纤维素微粒含量的聚丙烯薄片通过表面活化（例如辐射）获得显着改善的粘合性能。

87. 发明授权

US4559190A Process for the production of expanded reticulated polyethylene 失效
标题翻译：膨胀网状聚乙烯生产方法
公开(公告)号：US4559190A
公开(公告)日：1985-12-17
申请号：US657961
申请日：1984-10-05
申请人： Saverio Quintavalle , Luciano Gargani
发明人： Saverio Quintavalle , Luciano Gargani
IPC分类号： B29C44/00 , B29C44/10 , B29C69/02 , B29K23/00 , B29K105/04 , C08J9/10
CPC分类号： B29C44/022 , B29C44/105 , C08J9/10 , B29K2023/00 , B29K2023/06 , B29K2105/24 , C08J2323/04 , Y10S264/18 , Y10S264/64
摘要： Process for the preparation of bodies of expanded cross-linked polyethylene, with closed cells, comprising the steps of:melting a polymer of ethylene selected among ethylene homopolymers, copolymers of ethylene with alpha-olefins, copolymers of ethylene with conjugated diolefins and relevant mixtures;homogenizing the polymer of ethylene in the molten state with a quantity of from 0.1 to 2.5% by weight of a cross-linking agent and with a quantity of from 2 to 25% by weight of an expanding agent, the cross-linking agent and expanding agent having a decomposition temperature higher than the melting point of the polymer of ethylene, the homogenizing step operating at temperatures of from 130.degree. to 150.degree. C., and for times of from 5 to 10 minutes;forming the homogeneous mixture in a solid parallelepiped shape by means of extrusion and subsequent cooling, or by means of moulding wherein the extrusion or moulding step is operated at temperatures within the range of from 130.degree. to 150.degree. C. and for times of from 1 to 10 minutes;placing the solid parallelepiped shaped body inside an air-tight closed container, pressurizing the container by means of an inert gas, and heating the solid parallelepiped shaped body, at a temperature higher than the decomposition temperature of the cross-linking agent and the expanding agent contained therein, wherein this step is operated at 170.degree.-200.degree. C., under 40-70 bar for 20-45 minutes, in the absence, or substantial absence of expansion, such that expansion is limited to less than about 5%;depressurizing the container immediately following the foregoing pressurizing and heating step for a time of from 0.5 to 3 minutes, allowing the body to expand to an end volume smaller than the volume of the container, and recovering the expanded reticulated item from the container.
摘要翻译：制备具有闭孔的膨胀交联聚乙烯体的方法，包括以下步骤：熔融选自乙烯均聚物，乙烯与α-烯烃的共聚物，乙烯与共轭二烯烃的共聚物和相关混合物的乙烯聚合物; 将熔融状态的乙烯聚合物以交联剂的0.1至2.5重量％和发泡剂的2至25重量％的量均匀化，交联剂和膨胀分解温度高于乙烯聚合物的熔点，均化步骤在130〜150℃的温度下操作，时间为5〜10分钟; 通过挤出和随后的冷却形成固体平行六面体形状的均匀混合物，或通过模塑法，其中挤出或模塑步骤在130-150℃的温度下操作，并且从1 至10分钟; 将固体平行六面体成形体放置在气密密闭容器内，借助惰性气体对容器加压，并在高于交联剂和发泡剂分解温度的温度下加热固体平行六面体成形体其中在不存在或基本不存在膨胀的情况下，该步骤在170℃-200℃，40-70巴条件下操作20-45分钟，使得膨胀限制在小于约5％; 在上述加压和加热步骤之后立即将容器减压0.5至3分钟，使得体膨胀至小于容器体积的端部容积，并从容器中回收膨胀的网状物品。

88. 发明授权

US4542188A Polymeric films having one-sided cling and compositions useful in their preparation 失效
标题翻译：具有单面粘合性的聚合物薄膜和可用于其制备的组合物
公开(公告)号：US4542188A
公开(公告)日：1985-09-17
申请号：US325080
申请日：1981-11-25
申请人： Lambertus P. P. M. van der Heijden
发明人： Lambertus P. P. M. van der Heijden
IPC分类号： C09J7/00 , C08J5/18 , C08L23/04 , C08L23/06 , C08L23/16 , C08L23/20
CPC分类号： C08J5/18 , C08L23/04 , C08L23/06 , C08L23/0815 , C08J2323/04 , C08L2205/03 , C08L23/22
摘要： A polymeric film prepared from a relatively crystalline polymer such as a copolymer of ethylene and an .alpha.-olefin having at least 3 carbon atoms, e.g., 1-octene (linear low density polyethylene); a relatively amorphous polymer such as low density polyethylene and a tackifying polymer such as a low molecular weight polybutene exhibits a substantially higher cling on one side than the other.A film of a low density polyethylene, linear low density polyethylene and a low molecular weight polybutene also exhibits excellent film strengths and as unexpectedly high resistance to tear, particularly in the cross-direction.
摘要翻译：由相对结晶的聚合物制备的聚合物膜，例如乙烯和具有至少3个碳原子的α-烯烃的共聚物，例如1-辛烯（线性低密度聚乙烯）; 诸如低密度聚乙烯和增粘聚合物如低分子量聚丁烯之类的相对无定形的聚合物在一侧表现出比另一方更显着的粘附性。低密度聚乙烯，线性低密度聚乙烯和低分子量聚丁烯的膜也表现出优异的膜强度，并且具有出乎意料的高耐撕裂性，特别是在横向上。

89. 发明授权

US4430457A Cling/stretch wrap compositions 失效
标题翻译：粘贴/拉伸包装组合物
公开(公告)号：US4430457A
公开(公告)日：1984-02-07
申请号：US376892
申请日：1982-05-10
申请人： David V. Dobreski
发明人： David V. Dobreski
IPC分类号： C08L23/00 , B65D65/00 , C08J5/18 , C08L7/00 , C08L21/00 , C08L23/04 , C08L23/08 , C08L23/16 , C08L31/04 , C08L101/00 , C08K5/13
CPC分类号： C08J5/18 , C08L23/04 , C08J2323/04
摘要： A cling/stretch wrap film having desirable processing and end use characteristics is made from a composition of 90-97.5 wt. % an ethylene polymer having a melt flow value between 0.2 to 6.0 such as EVA copolymer (4-5 wt. % VA content) and 2.5-10 wt. % low density amorphous copolymer of ethylene and propylene (about 3-5 wt. % ethylene).
摘要翻译：具有理想加工和最终使用特性的粘贴/拉伸包装膜由90-97.5重量％的组合物制成。％的熔体流动值在0.2至6.0之间的乙烯聚合物，例如EVA共聚物（4-5重量％VA含量）和2.5-10重量％％乙烯和丙烯的低密度无定形共聚物（约3-5重量％乙烯）。

90. 发明授权

US4354997A Heat shrinkable film and process for preparing the same 失效
标题翻译：热收缩膜及其制备方法
公开(公告)号：US4354997A
公开(公告)日：1982-10-19
申请号：US177185
申请日：1980-08-11
申请人： Tomoji Mizutani , Hitoshi Fukushima , Yoshihiro Sakamoto
发明人： Tomoji Mizutani , Hitoshi Fukushima , Yoshihiro Sakamoto
IPC分类号： B29C49/00 , B29C55/00 , B29C55/16 , B29C61/00 , B29C61/06 , B29C61/08 , C08J5/18 , B29D7/24
CPC分类号： C08J5/18 , B29C55/16 , B29C61/003 , B29C61/08 , B29K2023/06 , C08J2323/04
摘要： A process for simultaneously, biaxially orienting tubular ethylene polymer film by expansion and extension of the tube under particular conditions for heating the expanding tube, to give a heat shrinkable film. The heat shrinkable film has excellent heat shrinkability, shrinkage stress, transparency, heat sealability and impact resistance, and is very suited for use in shrink packaging.
摘要翻译：一种通过在用于加热膨胀管的特定条件下通过管的膨胀和延伸同时双轴取向管状乙烯聚合物膜的方法，得到热收缩膜。该热收缩膜具有优异的热收缩性，收缩应力，透明性，热封性和耐冲击性，并且非常适用于收缩包装。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式