公开(公告)号：US06398997B1

公开(公告)日：2002-06-04

申请号：US09503312

申请日：2000-02-14

申请人： James T. Ligon, Sr. ,  Matthew P. Macker ,  Christopher A. Burkland ,  Jeffrey L. Hana ,  Kurt Schwarzwalder

发明人： James T. Ligon, Sr. ,  Matthew P. Macker ,  Christopher A. Burkland ,  Jeffrey L. Hana ,  Kurt Schwarzwalder

IPC分类号： B29C4420

CPC分类号： B29C44/3442 ,  Y10S264/05

摘要： A method for extruding foam of a thermoplastic elastomer, which is a blend of olefin rubber and polyolefin resin, includes the steps of mixing the thermoplastic with water, introducing the mix to an extruder, melting and compressing the thermoplastic elastomer and water and extruding the resultant mix as foam. In more detail, a first quantity of thermoplastic elastomer in pellet form is mixed with a second quantity of water. The mixed water and thermoplastic elastomer is introduced to an extruder. The thermoplastic elastomer is allowed to soak for a predetermined period of time after mixing. The thermoplastic elastomer is melted and mixed with the water to a uniform mix of thermoplastic elastomer and water. The mix is extruded through a die, wherein the water expands in a vapor form to create foam cells with the cells having walls of the thermoplastic elastomer.

摘要翻译： 一种挤出泡沫塑料弹性体的方法，它是烯烃橡胶和聚烯烃树脂的混合物，包括将热塑性塑料与水混合，将混合物引入挤出机，熔化和压缩热塑性弹性体和水并挤出所得物 混合成泡沫。 更详细地，将第一量的颗粒形式的热塑性弹性体与第二量的水混合。 将混合水和热塑性弹性体引入挤出机。 混合后使热塑性弹性体浸泡预定的时间。 将热塑性弹性体熔融并与水混合以均匀混合热塑性弹性体和水。 混合物通过模头挤出，其中水以蒸汽形式膨胀以产生具有热塑性弹性体壁的泡孔的泡沫泡沫。

公开(公告)号：US06383425B1

公开(公告)日：2002-05-07

申请号：US09386759

申请日：1999-08-31

申请人： Jesse Wu ,  James H. Han

发明人： Jesse Wu ,  James H. Han

IPC分类号： B29C4420

CPC分类号： C08J9/0066 ,  B29C44/505 ,  B29C47/0019 ,  B29C47/0816 ,  B29C47/16 ,  B29C47/165 ,  B29K2023/12 ,  B29K2105/04 ,  C08J2201/03 ,  C08J2205/10 ,  C08J2323/12 ,  Y10T428/1376 ,  Y10T428/249954 ,  Y10T428/31909

摘要： An improved coat hanger extrusion die wherein the aperture of the die land widens along the extrusion axis of said die to the die exit opening, thereby forming an expansion zone, and a method for extruding foamed polypropylene sheet having an improved surface appearance.

摘要翻译： 一种改进的衣架挤出模具，其中模具座的孔径沿着模具的挤出轴线加宽到模具出口开口，从而形成膨胀区域，以及用于挤出具有改进的表面外观的发泡聚丙烯片材的方法。

公开(公告)号：US06379605B1

公开(公告)日：2002-04-30

申请号：US09422727

申请日：1999-10-22

申请人： Allen Fong-Chin Lin

发明人： Allen Fong-Chin Lin

IPC分类号： B29C4420

CPC分类号： B32B27/32 ,  B29C44/24 ,  B29C47/0021 ,  B29C47/065 ,  B29C47/145 ,  B29C47/8805 ,  B29C47/8845 ,  B29C47/906 ,  B29C55/00 ,  B29C55/023 ,  B29K2023/12 ,  B29K2105/16 ,  B29K2995/0022 ,  B29K2995/0053 ,  B29K2995/0072 ,  B29L2009/00 ,  B29L2031/744 ,  C08L23/04

摘要： Disclosed is a process for producing a three layers co-extrusion biaxially oriented polypropylene (hereinafter as BOPP) synthetic paper and transparent film for in-mold label. More particularly, the invention relates to a process for producing a three layers biaxially oriented PP synthetic paper by means of three layers co-extrusion wherein three different PP resin compositions are separately extruded by one primary and two secondary extruders first, and then are co-flowed by a same T-die to form a three layers coating sheet. Thus, the three layers structure of said three layers co-extrusion coating sheet can be made into resin layer/foamed intermediate or resin layer/resin layer, and then through cooling, biaxial orientation, corona treatment and winding to form a three layers co-extrusion synthetic paper of haze paper sheet layer/foamed intermediate layer/adhesive layer, gloss paper sheet layer/foamed intermediate layer/adhesive layer, or a three layers co-extrusion synthetic transparent film of resin layer/resin layer/adhesive layer

摘要翻译： 公开了一种用于制造三层共挤双轴取向聚丙烯（以下称为BOPP）合成纸和用于模内标签的透明膜的方法。 更具体地说，本发明涉及一种通过三层共挤出生产三层双轴取向的PP合成纸的方法，其中三种不同的PP树脂组合物首先被一个一次和两个二次挤出机单独挤出， 由相同的T型模头流动以形成三层涂层。 因此，所述三层共挤涂层的三层结构可以制成树脂层/发泡中间体或树脂层/树脂层，然后通过冷却，双轴取向，电晕处理和卷绕形成三层共挤出， 雾纸纸层/发泡中间层/粘合层的挤出合成纸，光泽纸层/发泡中间层/粘合剂层，或树脂层/树脂层/粘合剂层的三层共挤合成透明膜

公开(公告)号：US06334970B1

公开(公告)日：2002-01-01

申请号：US09363643

申请日：1999-07-30

申请人： Ryuma Kuroda ,  Tatsuhiro Nagamatsu

发明人： Ryuma Kuroda ,  Tatsuhiro Nagamatsu

IPC分类号： B29C4420

CPC分类号： C08L23/14 ,  B29C44/461 ,  B29C44/60 ,  B29C47/0023 ,  B29C47/20 ,  B29C47/92 ,  B29C2947/92019 ,  B29C2947/92333 ,  B29C2947/92514 ,  B29C2947/92704 ,  B29C2947/92895 ,  B29C2947/92904 ,  C08L23/12 ,  C08L23/142 ,  C08L2203/14 ,  C08L2205/02 ,  C08L2666/06

摘要： The present invention relates to a method for producing a foamed article by which a foamed article having a high expansion ratio, having uniform fine cells in a high closed cell ratio and capable of being recycled, which is utilizable as heat insulating materials for construction, cushioning materials for wrapping, cushioning floats for ships, floats for sports and leisure and the like, can be obtained readily and safely using a clean inorganic gas as a foaming agent, and to a foamed article obtained by the method. That is, the present invention provides a method for producing a foamed resin article comprising a melting step of feeding a thermoplastic resin into an extruder and heating it to melt, a kneading step of mixing an inorganic gas with the thermoplastic resin in the extruder to produce a kneaded material, and a foaming step of discharging the kneaded material from a mold having a tubular channel mounted to the end of the extruder to form the foamed article.

摘要翻译： 发泡体的制造方法技术领域本发明涉及一种泡沫制品的制造方法，其特征在于，具有高膨胀率的泡沫制品，具有高闭孔率的均匀的细胞并能够再循环，可用作建筑用绝热材料，缓冲材料 可以容易且安全地使用清洁无机气体作为发泡剂，以及通过该方法获得的发泡制品，可以获得用于船舶的包装材料，用于船舶的缓冲浮子，用于运动和休闲的浮子等。 也就是说，本发明提供了一种发泡树脂制品的制造方法，其包括将热塑性树脂进料到挤出机中并加热熔化的熔融步骤，在挤出机中混合无机气体与热塑性树脂的捏合步骤， 捏合材料和发泡步骤，从具有安装在挤出机端部的管状通道的模具中排出捏合材料以形成发泡制品。

公开(公告)号：US06827888B2

公开(公告)日：2004-12-07

申请号：US09768762

申请日：2001-01-23

申请人： Walter R. Harfmann

发明人： Walter R. Harfmann

IPC分类号： B29C4420

CPC分类号： B29C44/348 ,  B29C44/462

摘要： An annular die designed to produce polymer foam using only one or more ambient gasses as a blowing agent includes an exiting channel with an exit having a cross-sectional area between about two and about ten times that of a smallest point within the exit channel. The section of the die from the smallest point to the exit is thermally isolated from the rest of the die, and the temperature thereof is independently controlled. In addition, the interior surface of the exit channel is coated with a friction-reducing coating.

摘要翻译： 设计成仅使用一种或多种环境气体作为发泡剂产生聚合物泡沫的环形模具包括具有出口的出口通道，其出口的横截面积在出口通道内的最小点的横截面积的约2倍至约10倍之间。 从最小点到出口的模具的截面与模具的其余部分热隔离，并且其温度被独立地控制。 此外，出口通道的内表面涂覆有减摩擦涂层。

公开(公告)号：US06652786B2

公开(公告)日：2003-11-25

申请号：US09782108

申请日：2001-02-13

申请人： Jeet Sanyal

发明人： Jeet Sanyal

IPC分类号： B29C4420

CPC分类号： H01B13/142 ,  B29C44/322

摘要： A method of manufacturing wire from a conductor and a supply of thermoplastic insulating material. The method involves heating the insulating material, adding pressurized gas to the material, and extruding a sheath of the insulating material about the conductor to generate bubbles of the gas in the sheath. The method may operate by limiting the temperature of the material prior to extrusion, to increase viscosity to limit bubble expansion, and may provide a significant pressure drop on extrusion by limiting the gap between a wire-supplying guide and the extrusion die.

摘要翻译： 一种从导体制造线材和提供热塑性绝缘材料的方法。 该方法包括加热绝缘材料，向材料中加入加压气体，并且在导体周围挤出绝缘材料的护套以在护套中产生气体气泡。 该方法可以通过在挤出之前限制材料的温度来操作，以增加粘度以限制气泡膨胀，并且可以通过限制导线供应引导件和挤出模具之间的间隙来在挤出时提供显着的压降。

公开(公告)号：US06592789B2

公开(公告)日：2003-07-15

申请号：US09860939

申请日：2001-05-18

申请人： James B. Barsby

发明人： James B. Barsby

IPC分类号： B29C4420

CPC分类号： B29C44/0492

摘要： An apparatus and methods for mixing and injecting a foam core within an extruded shell preferably of plastic downstream from an extrusion die to produce a uniform building product. The preferred apparatus includes a mixing head injector for mixing a binary system foam. The mixing head injector incorporates pressurized gas injection for homogenization of the foam core. A preferred method employs the mixing head injector and a novel calibrator thereby allowing injection of a foam core within the shell as it passes through a calibrator to reliably produce a uniform building product. An alternative method employs a second extruder. Alternative methods employ a mounting fixture downstream of a first calibrator.

公开(公告)号：US06342172B1

公开(公告)日：2002-01-29

申请号：US09528668

申请日：2000-03-20

申请人： Mark D. Finley

发明人： Mark D. Finley

IPC分类号： B29C4420

CPC分类号： B29C47/903 ,  B29C44/22 ,  B29C47/0004 ,  B29C47/0023 ,  B29C47/003 ,  B29C47/76 ,  B29C47/904 ,  B29K2105/045 ,  B29K2105/06 ,  B29K2105/16 ,  B29K2711/14 ,  Y10T428/249986 ,  Y10T428/268 ,  Y10T428/269

摘要： Advanced structural components comprising a foamed thermoplastic that can be used in virtually any application where wooden components have a use. Such structural components can comprise sized lumber, shaped trim, posts, beams or shaped structural members. An advanced profile composite structural component comprising an exterior capping layer with an interior comprising a foamed thermoplastic can be used in the assembly of fenestration units adapted to residential and commercial structures. Preferably the profile structural component can be used in a window or door assembly. The profile member is adapted for ease of construction of the fenestration units, can be easily installed in a rough opening to framing members, and can be trimmed and adjusted on site. The profile is structurally strong, thermally stable, shrink resistant and will accept and retain the insertion of fasteners such as staples, nails and screws permanently with substantial retention and little or no damage to the units. The profile structural components possess strength that permits the manufacture of a structurally sound fenestration unit from two or more foamed profile members or other conventional members.

摘要翻译： 先进的结构部件包括发泡热塑性材料，可用于几乎任何木质部件使用的应用场合。 这种结构部件可以包括尺寸的木材，成形件，柱，梁或成形的结构件。 包括具有包含发泡热塑性塑料的内部的外部封盖层的先进型材复合结构部件可用于适于住宅和商业结构的开窗单元的组装。 优选地，轮廓结构部件可以用在窗户或门组件中。 轮廓构件适于易于构建开窗单元，可以容易地安装在框架构件的粗糙开口中，并且可以在现场进行修整和调整。 外形在结构上坚固，热稳定，收缩，并且可以接受和保持诸如订书钉，钉子和螺丝等紧固件的插入，从而具有很大的保留性，并且几乎不损坏单元。 轮廓结构部件具有允许从两个或多个发泡型材构件或其它常规构件制造结构良好的开窗单元的强度。

公开(公告)号：US06273697B1

公开(公告)日：2001-08-14

申请号：US09407462

申请日：1999-09-28

申请人： Walter R. Harfmann

发明人： Walter R. Harfmann

IPC分类号： B29C4420

CPC分类号： B29C44/08 ,  B29C35/16 ,  B29K2995/0041

摘要： A crystalline polymer resin, such as poly(ethylene terephthalate), is heated to melting. One or more blowing agents is selected wherein at least one of the blowing agents has a boiling point greater than the glass transition temperature for the resin and less than the forming temperature, such as the temperature of the mold used to form the useful article. The blowing agent(s) and resin are combined to create a mixture with a blowing agent concentration sufficient to produce a theoretical sheet foam density of less than 0.4 g/cm3. The mixture is cooled to a temperature approaching the freezing point of the mixture, and then extruded into a substantially uniform closed cell polymer foam sheet of density less than 0.4 g/cm3. The extruded sheet is then cooled by direct contact with a cooling surface at a surface temperature below the glass transition temperature such that the blowing agent(s) condenses and the sheet has a density of greater than 0.4 g/cm3 and a sheet crystallinity of less than 15%. An article is then formed from the cooled sheet by applying heat such that the condensed blowing agent(s) vaporizes and the article crystallizes at a density of less than 0.4 g/cm3 with a crystallinity of greater than 20%.

摘要翻译： 将结晶聚合物树脂如聚（对苯二甲酸乙二醇酯）加热至熔融。 选择一种或多种发泡剂，其中至少一种发泡剂的沸点大于树脂的玻璃化转变温度，并且小于成型温度，例如用于形成有用制品的模具的温度。 将发泡剂和树脂组合以产生具有足以产生小于0.4g / cm 3的理论片状泡沫密度的发泡剂浓度的混合物。 将混合物冷却至接近混合物凝固点的温度，然后挤出成密度小于0.4g / cm 3的基本均匀的闭孔聚合物泡沫板。 然后通过在低于玻璃化转变温度的表面温度下与冷却表面直接接触挤出的片材，使得发泡剂冷凝，并且片材具有大于0.4g / cm 3的密度和较小的片状结晶度 超过15％。 然后通过加热使冷凝的发泡剂蒸发并且制品以小于0.4g / cm 3的密度结晶，结晶度大于20％，从冷却的片材形成制品。

公开(公告)号：US06544448B2

公开(公告)日：2003-04-08

申请号：US09779533

申请日：2001-02-09

申请人： Steven Hartman

发明人： Steven Hartman

IPC分类号： B29C4420

CPC分类号： B29C47/065 ,  B29C44/22 ,  B29C47/0023 ,  B29C47/0052 ,  Y10T428/249958 ,  Y10T428/249987 ,  Y10T428/249988 ,  Y10T428/249991 ,  Y10T428/249992 ,  Y10T428/249993

摘要： A foamed polyethylene product has an outer sheath of non-foamed polyethylene fused to an underlying foamed body portion. Preferably, the product is produced in an in-line method when the foam body is extruded and subsequently the skin is extruded directly on the body portion. This process only causes limited thermal degradation of an outer layer of the body portion which improves adhesion of the skin to the body portion.