-
公开(公告)号：US5665297A
公开(公告)日：1997-09-09
申请号：US295005
申请日：1994-08-24
CPC分类号： B29C55/30 , B29K2023/06 , B29K2027/06 , B29K2067/00 , B29K2995/0053 , Y10S138/07 , Y10S264/73 , Y10S428/91 , Y10T428/139 , Y10T428/1397
摘要： Tubular workpieces of oriented polymers such as polyethylene polyester and PVC are formed by drawing a workpiece over an expanding former in the absence of any force perpendicular to the axis of the workpiece. The processes do not require the use of any liquid lubricant. They enable greater degrees of expansion and hence orientation in the direction perpendicular to the axis to be achieved and result in products of improved appearance and strength.
-
公开(公告)号：US5650114A
公开(公告)日：1997-07-22
申请号：US479517
申请日：1995-06-07
CPC分类号： B29C55/30 , B29K2023/06 , B29K2027/06 , B29K2067/00 , B29K2995/0053 , Y10S138/07 , Y10S264/73 , Y10S428/91 , Y10T428/139 , Y10T428/1397
摘要： Tubular workpieces of oriented polymers such as polyethylene polyester and PVC are formed by drawing a workpiece over an expanding former in the absence of any force perpendicular to the axis of the workpiece. The processes do not require the use of any liquid lubricant. They enable greater degrees of expansion and hence orientation in the direction perpendicular to the axis to be achieved and result in products of improved appearance and strength.
摘要翻译： 定向聚合物如聚乙烯聚酯和PVC的管状工件通过在垂直于工件的轴线的任何力不存在的情况下将工件拉伸在扩张成形器上而形成。 这些方法不需要使用任何液体润滑剂。 它们使得能够在垂直于要实现的轴线的方向上具有更大的膨胀程度并因此取向，并且导致改进的外观和强度的产品。
-
公开(公告)号：US5910346A
公开(公告)日：1999-06-08
申请号：US479518
申请日：1995-06-07
CPC分类号： B29C55/30 , B29K2023/06 , B29K2027/06 , B29K2067/00 , B29K2995/0053 , Y10S138/07 , Y10S264/73 , Y10S428/91 , Y10T428/139 , Y10T428/1397
摘要： Tubular workpieces of oriented polymers such as polyethylene polyester and PVC are formed by drawing a workpiece over an expanding former in the absence of any force perpendicular to the axis of the workpiece. The processes do not require the use of any liquid lubricant. They enable greater degrees of expansion and hence orientation in the direction perpendicular to the axis to be achieved and result in products of improved appearance and strength.
摘要翻译： 定向聚合物如聚乙烯聚酯和PVC的管状工件通过在垂直于工件的轴线的任何力不存在的情况下将工件拉伸在扩张成形器上而形成。 这些方法不需要使用任何液体润滑剂。 它们使得能够在垂直于要实现的轴线的方向上具有更大的膨胀程度并因此取向，并且导致改进的外观和强度的产品。
-
公开(公告)号：US20100280559A1
公开(公告)日：2010-11-04
申请号：US12596623
申请日：2008-04-18
申请人： Horacio Montes De Oca Balderas , Malcolm Brown , Mark Bonner , Ian MacMillan Ward , Michael Andrew Hall , John Rose , Mason James Bettenga
发明人： Horacio Montes De Oca Balderas , Malcolm Brown , Mark Bonner , Ian MacMillan Ward , Michael Andrew Hall , John Rose , Mason James Bettenga
IPC分类号： A61B17/84 , A61K8/81 , A61K8/85 , C08G63/08 , C08F120/18 , C08F112/08 , B32B1/08
CPC分类号： A61B17/7275 , A61B17/686 , A61B2017/00004 , A61B2017/00871 , A61L27/443 , A61L27/46 , A61L27/50 , A61L27/56 , A61L31/126 , A61L31/127 , A61L31/14 , A61L31/146 , A61L2400/16 , B29C55/30 , B29C61/02 , B29C61/04 , B29C61/0608 , Y10T428/139 , Y10T428/1393
摘要： The present disclosure relates to a shape memory polymer material containing at least one two dimensional region having a first amount of stored stress in a first direction and a second amount of stored stress higher than the first amount of stored stress in a second direction, wherein the two dimensional region is capable of changing shape in only one of the first or second directions.
摘要翻译： 本公开涉及一种形状记忆聚合物材料，其包含至少一个二维区域，其具有在第一方向上具有第一储存应力的量和在第二方向上高于第一储存应力量的第二存储应力量，其中， 二维区域能够仅在第一或第二方向中的一个方向上改变形状。
-
公开(公告)号：US06312638B1
公开(公告)日：2001-11-06
申请号：US09285255
申请日：1999-04-02
IPC分类号： B29C4302
CPC分类号： B29C43/006 , B29K2023/06 , B29K2023/12 , B29K2105/06 , B29K2223/06 , B29K2223/12
摘要： A polyolefin plaque is produced by hot compaction of an assembly of melt spun oriented fibres. It has been found that good compaction can be achieved at relatively low compaction pressures, less than 10 Pa. Compaction can be carried out in an autoclave, rather than in a hot compaction press, and the mechanical properties of plaques so produced range from good to excellent.
摘要翻译： 通过熔融纺丝取向纤维的组件的热压实来生产聚烯烃斑块。 已经发现，在相对低的压实压力下可以获得良好的压实度，小于10Pa。压实可以在高压釜中进行，而不是在热压实机中进行，并且由此产生的板的机械性能范围从良好到 优秀。
-
公开(公告)号：US09556540B2
公开(公告)日：2017-01-31
申请号：US12988737
申请日：2009-04-20
IPC分类号： B29C47/00 , B29C47/88 , B29C47/92 , B29C55/06 , D01F6/62 , C08J5/18 , D01D5/42 , B29C47/04 , B29K67/00 , B29C71/02 , B29C55/14 , B29C55/12
CPC分类号： D01F6/62 , B29C47/0004 , B29C47/0021 , B29C47/0057 , B29C47/043 , B29C47/88 , B29C47/8805 , B29C47/8815 , B29C47/884 , B29C47/8845 , B29C47/92 , B29C55/06 , B29C55/12 , B29C55/14 , B29C55/143 , B29C71/02 , B29C2071/022 , B29C2947/92742 , B29C2947/92752 , B29C2947/9278 , B29K2067/00 , B29K2067/003 , C08J5/18 , C08J2367/02 , D01D5/426 , Y10T428/1345 , Y10T442/30
摘要： The invention relates to a process for making an opaque and glossy film from a thermoplastic polyester composition, comprising the steps of a) extruding the polyester composition through a slot die, and quenching to form a substantially amorphous film having a crystallinity of at most 5%; b) rapidly heating the amorphous film to a drawing temperature in the range from Tg to (Tg+50)° C. while applying a draw ratio in the range of from λinitiation to λmax. in longitudinal direction, and a drawing rate of at least 1 m/min to form an oriented film showing stress-whitening, wherein λinitiation is the draw ratio at which a transfer from a transparent product to a stress-whitened product occurs and λmax. is the draw ratio at which failure of the stress whitened film occurs; and c) heat-setting the oriented stress-whitened film; the thermoplastic polyester composition substantially consisting of at least one crystallizable polyester derived from at least one aliphatic diol and at least one aromatic dicarboxylic acid.With this process it is possible to make a unitary, glossy, opaque film from a polyester composition that does not contain void-forming additives like high amounts of fine pigment particles or dispersed non-miscible polymer particles. The film obtained also has very good mechanical properties. It is a further advantage that the process can be performed continuously on conventional extrusion and stretching equipment used for making transparent film from polyesters.The invention also relates to an opaque polyester film obtainable by said process.
摘要翻译： 本发明还涉及通过所述方法可获得的不透明聚酯膜。
-
公开(公告)号：US20130029108A1
公开(公告)日：2013-01-31
申请号：US13561330
申请日：2012-07-30
IPC分类号： B32B1/00
CPC分类号： B32B27/08 , B29C43/003 , B29C43/006 , B29C43/203 , B29C43/52 , B29K2105/0079 , B29K2105/06 , B29K2105/0854 , B29K2105/256 , B29L2009/00 , B32B5/024 , B32B5/26 , B32B27/32 , B32B27/36 , B32B2250/03 , B32B2250/20 , B32B2250/24 , B32B2250/242 , B32B2250/40 , B32B2262/0253 , B32B2262/0284 , B32B2307/536 , B32B2323/04 , B32B2323/10 , D04H1/559 , D04H13/00 , Y10S428/91 , Y10T428/24628 , Y10T428/24942 , Y10T428/2495 , Y10T428/24992 , Y10T428/249998 , Y10T428/31504
摘要： A process for the production of a polymeric article comprises: (a) forming a ply having successive layers, namely, (i) a first layer made up of strands of an oriented polymer material; (ii) a second layer of a polymeric material; (iii) a third layer made up of strands of an oriented polymeric material, wherein the second layer has a lower peak melting temperature that of the first and third layers; (b) subjecting the ply to conditions of time, temperature, and pressure sufficient to melt a proportion of the fits layer, to melt the second layer entirely, and to melt a proportion of the third layer, and to compact the ply; and (c) cooling the compacted ply. The resultant articles have good mechanical properties yet may be made at a lower compaction temperature than articles not employing the second layer, leading to a more controllable manufacturing process.
-
公开(公告)号：US20120094094A1
公开(公告)日：2012-04-19
申请号：US13276118
申请日：2011-10-18
IPC分类号： B32B7/02
CPC分类号： B32B27/08 , B29C43/003 , B29C43/006 , B29C43/203 , B29C43/52 , B29K2105/0079 , B29K2105/06 , B29K2105/0854 , B29K2105/256 , B29L2009/00 , B32B5/024 , B32B5/26 , B32B27/32 , B32B27/36 , B32B2250/03 , B32B2250/20 , B32B2250/24 , B32B2250/242 , B32B2250/40 , B32B2262/0253 , B32B2262/0284 , B32B2307/536 , B32B2323/04 , B32B2323/10 , D04H1/559 , D04H13/00 , Y10S428/91 , Y10T428/24628 , Y10T428/24942 , Y10T428/2495 , Y10T428/24992 , Y10T428/249998 , Y10T428/31504
摘要： A process for the production of a polymeric article comprises the steps of: (a) forming a ply having successive layers, namely (ii) a first layer made up of strands of an oriented polymeric material; (ii) a second layer of a polymeric material; (iii) a third layer made up of strands of an oriented polymeric material, wherein the second layer has a lower peak melting temperature than that of the first and third layers; (b) subjecting the ply to conditions of time, temperature and pressure sufficient to melt a proportion of the first layer, to melt the second layer entirely, and to melt a proportion of the third layer; and to compact the ply; and (c) cooling the compacted ply. The resultant articles have good mechanical properties yet may be made at lower compaction temperatures than articles not employing the second layer, leading to a more controllable manufacturing process.
摘要翻译： 制备聚合物的方法包括以下步骤：（a）形成具有连续层的层，即（ii）由取向聚合材料的线组成的第一层; （ii）第二层聚合材料; （iii）由取向聚合物材料的线组成的第三层，其中所述第二层具有比所述第一和第三层低的峰熔融温度; （b）对所述层进行足以熔化所述第一层的一部分的时间，温度和压力的条件，使所述第二层完全熔化并熔化所述第三层的一部分; 并压实层; 和（c）冷却压实的层。 所得制品具有良好的机械性能，但是可以在比不采用第二层的制品更低的压制温度下进行制造，导致更可控的制造工艺。
-
公开(公告)号：US07279441B2
公开(公告)日：2007-10-09
申请号：US10717553
申请日：2003-11-21
IPC分类号： B29C43/00
CPC分类号： D04H1/54 , B29B13/08 , B29C43/006 , B29C2035/0827 , B29C2035/085 , B29C2035/0877 , B29C2071/022 , B29C2791/005 , B29K2023/06 , B29K2023/12 , B29K2105/06 , B29K2105/243 , B29K2105/25 , B29K2223/06 , D04H1/4291 , D04H1/44 , D04H1/554 , Y10T428/24826 , Y10T428/24994 , Y10T428/249942 , Y10T428/249947 , Y10T428/31855 , Y10T442/69
摘要： A polyolefin plaque is made by hot compaction of an assembly of fibres of the oriented polymer. It has been found to be beneficial to subject the fibres to a prior crosslinking process. Hot compaction is then less temperature-sensitive and produces plaques with excellent hot strength properties. Preferably the fibres have been subjected to prior stages of irradiation and annealing, both in a non-oxidising environment, for example acetylene.
摘要翻译： 通过热定形聚合物的纤维组合制成聚烯烃斑块。 已经发现有利的是使纤维进行先前的交联过程。 热压缩对温度敏感性较低，产生具有优异热强度特性的板。 优选地，在非氧化环境例如乙炔中，纤维已经经历了辐照和退火的先前阶段。
-
公开(公告)号：US08268439B2
公开(公告)日：2012-09-18
申请号：US13276118
申请日：2011-10-18
IPC分类号： B32B7/02
CPC分类号： B32B27/08 , B29C43/003 , B29C43/006 , B29C43/203 , B29C43/52 , B29K2105/0079 , B29K2105/06 , B29K2105/0854 , B29K2105/256 , B29L2009/00 , B32B5/024 , B32B5/26 , B32B27/32 , B32B27/36 , B32B2250/03 , B32B2250/20 , B32B2250/24 , B32B2250/242 , B32B2250/40 , B32B2262/0253 , B32B2262/0284 , B32B2307/536 , B32B2323/04 , B32B2323/10 , D04H1/559 , D04H13/00 , Y10S428/91 , Y10T428/24628 , Y10T428/24942 , Y10T428/2495 , Y10T428/24992 , Y10T428/249998 , Y10T428/31504
摘要： A process for the production of a polymeric article comprises the steps of: (a) forming a ply having successive layers, namely (ii) a first layer made up of strands of an oriented polymeric material; (ii) a second layer of a polymeric material; (iii) a third layer made up of strands of an oriented polymeric material, wherein the second layer has a lower peak melting temperature than that of the first and third layers; (b) subjecting the ply to conditions of time, temperature and pressure sufficient to melt a proportion of the first layer, to melt the second layer entirely, and to melt a proportion of the third layer; and to compact the ply; and (c) cooling the compacted ply. The resultant articles have good mechanical properties yet may be made at lower compaction temperatures than articles not employing the second layer, leading to a more controllable manufacturing process.
摘要翻译： 制备聚合物的方法包括以下步骤：（a）形成具有连续层的层，即（ii）由取向聚合材料的线组成的第一层; （ii）第二层聚合材料; （iii）由取向聚合物材料的线组成的第三层，其中所述第二层具有比所述第一和第三层低的峰熔融温度; （b）对所述层进行足以熔化所述第一层的一部分的时间，温度和压力的条件，使所述第二层完全熔化并熔化所述第三层的一部分; 并压实层; 和（c）冷却压实的层。 所得制品具有良好的机械性能，但是可以在比不采用第二层的制品更低的压制温度下进行制造，导致更可控的制造工艺。
-
-
-
-
-
-
-
-
-
搜索结果
16 条记录 (耗时 0.021 秒)
