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公开(公告)号：US5470526A
公开(公告)日：1995-11-28
申请号：US104147
申请日：1993-08-18
IPC分类号： A61L15/00 , A61F2/02 , A61F5/445 , B32B27/18 , B32B27/28 , B32B27/30 , B32B27/32 , C08J5/18 , C08K3/24 , C08K3/26 , C08K5/00 , C08K5/09 , C08K5/098 , C08K5/10 , C08L23/02 , C08L101/00 , B29C47/88 , C08K5/56
CPC分类号： C08K5/0033 , C08K5/09 , Y10T428/1334 , Y10T428/1341 , Y10T428/1379 , Y10T428/1393 , Y10T428/31855 , Y10T428/31909
摘要： The invention provides a compostable thermoplastic polymer composition comprising a thermoplastic polymer, a transition metal salt selected from cobalt, manganese, copper, cerium, vanadium and iron, and a fatty acid or ester having 10 to 22 carbon atoms providing unsaturated species and free acid. The composition will oxidatively degrade to an embrittled state within at least 14 days at 60.degree. C. and a relative humidity of at least eighty percent. The invention also provides degradable multilayered polyolefin structures incorporating a transition metal in the form of a salt, degradable and compostable multilayered barrier films, degradable, radiation-resistant compositions and articles, and methods of forming and using such compositions, structures and articles.
摘要翻译： PCT No.PCT / US92 / 10718 Sec。 371日期：1993年8月18日 102（e）1993年8月18日PCT日期1992年12月4日PCT。本发明提供一种包含热塑性聚合物，选自钴，锰，铜，铈，钒和铁的过渡金属盐的可堆肥热塑性聚合物组合物，以及 提供10-22个碳原子的脂肪酸或酯，提供不饱和物质和游离酸。 该组合物将在60℃至少80天的相对湿度下在至少14天内氧化降解至脆化状态。 本发明还提供了可降解的多层聚烯烃结构，其包含盐，可降解和可堆肥的多层阻隔膜，可降解，耐辐射组合物和制品形式的过渡金属，以及形成和使用这种组合物，结构和制品的方法。
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12.发明授权
公开(公告)号：US5140073A
公开(公告)日：1992-08-18
申请号：US371713
申请日：1989-06-26
IPC分类号： C08J5/18 , A61K9/70 , A61L2/08 , C08J7/18 , C08L23/06 , C08L23/08 , C08L23/12 , C08L23/14 , C08L23/16 , C08L23/18 , C08L23/20 , D01F6/46 , D04H1/42
CPC分类号： C08L23/12 , A61K9/7023 , A61L2/08 , C08L23/20 , C08L23/06 , C08L23/0853 , C08L23/142 , C08L23/16
摘要： Polymer blends of non-crystalline mesomorphous polypropylene and a polymer compatible with such polypropylene and the method of making such polymer blends are provided. Such compatible polymer blends exhibit substantial maintenance of structural integrity after exposure to gamma irradiation and provide heat sealing properties, puncture resistance, and tear strength. Films, fibers, and other articles made from such blends may be used in various applications, including medical articles such as medical packaging films, ostomy pouches, and transdermal delivery patches, which may require sterilized storage prior to usage.
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公开(公告)号：US4950549A
公开(公告)日：1990-08-21
申请号：US326409
申请日：1989-03-20
CPC分类号： C08J7/18 , D04H1/56 , C08J2323/12 , Y10T428/31855
摘要： Polypropylene articles are provided. The polypropylene articles comprise non-crystalline mesomorphous polypropylene having olefinic unsaturation-containing monomers graft-polymerized thereon by ionizing radiation in a dosage sufficient to degrade crystalline polypropylene. The irradiated polypropylene articles retain useful tensile properties after storage periods of as long as at least about four months. Further provided is a method for preparing irradiated polypropylene articles having olefinic unsaturation-containing monomers graft-polymerized thereon comprising the steps of melt extruding polypropylene; quenching the extruded polypropylene immediately after extrusion to provide non-crystalline mesomorphous polypropylene; coating the non-crystalline mesomorphous polypropylene with an ionizing radiation graft-polymerizable monomer; and irradiating the coated non-crystalline mesomorphous polypropylene with a dosage of ionizing radiation sufficient to degrade crystalline polypropylene and sufficient to effect graft-polymerization of the monomer onto the surface of the polypropylene.
摘要翻译： 提供聚丙烯制品。 聚丙烯制品包含具有通过电离辐射在其上接枝聚合的具有烯属不饱和键的单体的非结晶的不规则聚丙烯制品，其用量足以降解结晶聚丙烯。 被照射的聚丙烯制品在长达至少约四个月的储存期后保持有用的拉伸性能。 进一步提供一种制备其上接枝聚合的含有烯属不饱和单体的辐射聚丙烯制品的方法，包括熔融挤出聚丙烯的步骤; 在挤出后立即淬火挤出的聚丙烯以提供非结晶的介晶聚丙烯; 用电离辐射可接枝聚合单体涂覆非结晶的不规则聚丙烯; 并用一定量的电离辐射照射涂覆的非结晶的不规则聚丙烯以使结晶聚丙烯降解并足以使单体接枝聚丙烯的表面。
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公开(公告)号：US5660922A
公开(公告)日：1997-08-26
申请号：US433030
申请日：1995-05-03
IPC分类号： B29C47/06 , B29C47/32 , B29C47/88 , C09J7/00 , C09J7/02 , C09J107/00 , C09J133/00 , C09J153/00
CPC分类号： C09J7/02 , B29C47/0021 , B29C47/32 , B29C47/8845 , B29C47/8855 , B29C47/886 , B29C47/8875 , B29C47/888 , Y10T428/24959 , Y10T428/249983 , Y10T428/28 , Y10T428/2848
摘要： A unified, composite tape structure is provided. The tape comprises two outer pressure-sensitive adhesive layers joined via melt processing. A method of making the tape comprising the use of melt processing is also disclosed. In the method a plurality of layers are melt processed and simultaneously joined to form the unified composite.
摘要翻译： 提供统一的复合胶带结构。 胶带包括通过熔融加工连接的两个外部压敏粘合剂层。 还公开了一种制造包含使用熔融加工的胶带的方法。 在该方法中，多个层被熔融加工并同时接合以形成统一的复合材料。
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公开(公告)号：US5599602A
公开(公告)日：1997-02-04
申请号：US534183
申请日：1995-09-26
CPC分类号： C09J7/02 , B29C47/0019 , B29C47/0021 , B29C47/32 , B29C47/8845 , B29C47/8855 , B29C47/887 , B29C47/8875 , B29C47/888 , Y10T428/187 , Y10T428/2457 , Y10T428/24587 , Y10T428/24959 , Y10T428/249983 , Y10T428/28
摘要： A unified, composite tape structure comprising two outer pressure-sensitive adhesive layers and a backing joined via melt processing. At least one of the backing and two outer adhesive layers is not mutually coextensive. A method of making the tape comprising the use of melt processing is also disclosed.
摘要翻译： 一种统一的复合胶带结构，包括两个外部压敏粘合剂层和通过熔体加工连接的背衬。 背衬和两个外部粘合剂层中的至少一个不是相互共同延伸的。 还公开了一种制造包含使用熔融加工的胶带的方法。
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公开(公告)号：US5254378A
公开(公告)日：1993-10-19
申请号：US869072
申请日：1992-04-06
CPC分类号： B29C47/884 , A61L2/08 , B29C47/0004 , B29C47/0021 , B29C47/8845 , B29C47/8895 , B29C71/04 , C08L23/12 , B29C47/00 , B29C47/0014 , B29K2023/12 , B29K2995/0039 , Y10T428/13 , Y10T428/1352 , Y10T428/1397 , Y10T428/31855
摘要： Irradiated polypropylene articles of non-crystalline mesomorphous polypropylene and a method for preparing the articles are provided. The articles are irradiated with a sterilizing dosage of ionizing radiation. The irradiated articles such as films and blown microfiber webs are substantially undegraded after storage periods of as long as six months.
摘要翻译： 提供了非结晶状的聚丙烯的辐射聚丙烯制品及其制备方法。 用灭菌剂量的电离辐射照射物品。 经过长达六个月的保存期间，照射的制品如膜和吹制的超细纤维网基本上未被降解。
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公开(公告)号：US5730919A
公开(公告)日：1998-03-24
申请号：US558079
申请日：1995-11-13
CPC分类号： B32B27/08 , B29C47/0021 , B29C47/06 , B29C47/00 , B29K2023/083 , B29K2023/086 , B29K2023/12 , B29K2423/083 , B29K2995/0067 , B29K2995/0069 , B29L2031/712 , B32B2307/7244 , B32B37/153 , Y10S493/933 , Y10T428/1379 , Y10T428/1383
摘要： Multilayered barrier structures containing a gas barrier layer of a non-chlorine containing organic polymer which is substantially impermeable to oxygen gas and a moisture barrier layer of a mesophase propylene-based material are provided. These structures are environmentally compatible and radiation resistant, and exhibit one or more additional properties, including gas barrier properties, moisture barrier properties, toughness, heat sealability, softness, and quietness during wrinkling. Also provided are methods of preparing and using such multilayered barrier structures, and articles, such as films, pouches, and tubings, formed from these structures.
摘要翻译： 提供了含有对氧气基本上不可渗透的非含氯有机聚合物的阻气层和中间相丙烯类材料的防潮层的多层势垒结构。 这些结构具有环境相容性和耐辐射性，并且具有一种或多种附加性能，包括阻气性，防潮性，韧性，热封性，柔软性和皱纹期间的安静性。 还提供了制备和使用这种多层屏障结构的方法，以及由这些结构形成的制品，例如薄膜，小袋和管。
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公开(公告)号：US5643375A
公开(公告)日：1997-07-01
申请号：US366817
申请日：1994-12-30
IPC分类号： A61J1/10 , A61L27/00 , B29C47/00 , B32B27/00 , B32B27/08 , B32B27/28 , B32B27/30 , B32B27/32 , B32B37/00
CPC分类号： B32B27/08 , B29C47/0019 , B29C47/0021 , B32B37/203 , A61F5/445 , B29C47/00 , B29K2995/0067 , B29K2995/0069 , B32B2307/7242 , B32B2307/7244 , B32B2307/7265 , B32B2535/00 , B32B2555/02 , B32B37/085 , B32B37/153 , Y10T428/13 , Y10T428/2913 , Y10T428/31909 , Y10T428/31935
摘要： Multilayered barrier structures comprising a gas barrier layer of a non-chlorine containing organic polymer which is substantially impermeable to oxygen gas and a moisture barrier layer of a mesophase propylene-based material are provided. These structures are environmentally compatible and radiation resistant, and exhibit one or more additional properties, including gas barrier properties, moisture barrier properties, toughness, heat sealability, softness, and quietness during wrinkling. Also provided are methods of preparing and using such multilayered barrier structures, and articles, such as films, pouches, and tubings, formed from these structures, as well as multilayer barrier structures with additional graft layers affixed thereto through the application of a dose of ionizing radiation.
摘要翻译： 提供了包括基本上不可渗透氧气的非含氯有机聚合物的气体阻隔层和中间相丙烯类材料的防潮层的多层屏障结构。 这些结构具有环境相容性和耐辐射性，并且具有一种或多种附加性能，包括阻气性，防潮性，韧性，热封性，柔软性和皱纹期间的安静性。 还提供了制备和使用这种多层阻挡结构的方法，以及由这些结构形成的制品，例如膜，袋和管，以及通过施加一定剂量的电离作用而附加了附加接枝层的多层阻挡结构 辐射。
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公开(公告)号：US5314959A
公开(公告)日：1994-05-24
申请号：US665271
申请日：1991-03-06
申请人： Richard J. Rolando , James E. Sax
发明人： Richard J. Rolando , James E. Sax
IPC分类号： C08F255/02 , C08F291/00 , C08F255/10 , C08F257/02 , C08F265/06
CPC分类号： C08F291/00 , C08F255/02
摘要： A fluorochemical graft copolymer comprising: a base polymer comprising polymerized units derived from monomers having terminal olefinic double bonds, having a moiety comprising a fluoroaliphatic group grafted thereto. Also disclosed are processes for preparing such fluorochemical graft copolymers, forming and annealing methods for enhancing the surface activity of such a graft copolymer, polymer blends comprising such a fluorochemical graft copolymer and a matrix polymer that is miscible with the base polymer, and a method for reducing the surface energy of a polymer comprising polymerized units derived from monomers having terminal olefinic double bonds.
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公开(公告)号：US5258419A
公开(公告)日：1993-11-02
申请号：US905250
申请日：1992-06-26
IPC分类号： A61K9/70 , A61L2/08 , C08L23/06 , C08L23/08 , C08L23/12 , C08L23/14 , C08L23/20 , C08J7/18 , B05D3/06 , B29C47/88 , B29K23/00 , C08L23/26
CPC分类号： C08L23/12 , A61K9/7023 , A61L2/08 , C08L23/20 , C08L2203/12 , C08L23/06 , C08L23/0853 , C08L23/142
摘要： Polymer blends of non-crystalline mesomorphous polypropylene and a polymer compatible with such polypropylene and the method of making such polymer blends are provided. Such compatible polymer blends exhibit substantial maintenance of structural integrity after exposure to gamma irradiation and provide heat sealing properties, puncture resistance, and tear strength. Films, fibers, and other articles made from such blends may be used in various applications, including medical articles such as medical packaging films, ostomy pouches, and transdermal delivery patches, which may require sterilized storage prior to usage.
摘要翻译： 提供了非结晶的介晶聚丙烯和与这种聚丙烯相容的聚合物的聚合物共混物和制备这种聚合物共混物的方法。 这种相容的聚合物共混物在暴露于γ照射之后表现出对结构完整性的显着维持并提供热封性能，抗穿刺性和撕裂强度。 由这种混合物制成的薄膜，纤维和其它制品可用于各种应用中，包括医疗制品如医疗包装薄膜，造口术袋和透皮递送贴片，其可在使用前需要消毒储存。
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