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公开(公告)号：US4526831A
公开(公告)日：1985-07-02
申请号：US577767
申请日：1984-02-07
CPC分类号： B29C51/002 , B29C43/203 , B29C51/006 , B29C51/426 , B60R13/0225 , B60R13/02 , Y10T428/24995 , Y10T428/31616
摘要： Reinforced poly(ethylene terephthalate) sheets are thermoformed to articles having one or more surfaces in contact with the mold of such a degree of smoothness that they virtually completely replicate the mold face. When the mold face is completely smooth, the concave imperfections caused by air entrapment in the plastic material account for less than 6% of the surface area. Composite articles consisting of a face member and a backing member are made by thermoforming in a single mold a face member having one or more surfaces in contact with the mold face of such a degree of smoothness that it completely replicates the mold face, and its proportion of concave imperfections is less than about 6% of the surface area. The backing member is bonded in the mold with an adhesive to the face member, and the composite structure is allowed to remain in the mold for a sufficient time to permit subsequent removal without distortion. The initial polymer sheets are less than about 5% crystalline, but the thermoformed article is left in the mold until it crystallizes to the desired degree.
摘要翻译： 将增强的聚（对苯二甲酸乙二醇酯）片材热成型为具有与模具接触的一个或多个表面的制品，其具有这样的平滑度，使得它们实际上完全复制了模具表面。 当模具表面完全光滑时，由塑料材料中的空气夹带引起的凹陷缺陷占表面积的6％以下。 由面部构件和背衬构件构成的复合制品通过在单个模具中通过热成型制成，所述面部构件具有与模具表面接触的一个或多个表面，以使其完全复制模具面的平滑度，并且其比例 凹陷缺陷小于表面积的约6％。 背衬构件在模具中用粘合剂粘合到面构件上，并且允许复合结构留在模具中足够的时间以允许随后的去除而不变形。 初始聚合物片材的结晶度小于约5％，但将热成型制品留在模具中直到其结晶达到所需程度。
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公开(公告)号：US4457797A
公开(公告)日：1984-07-03
申请号：US390683
申请日：1982-06-21
CPC分类号： B29C51/006 , B29C51/002 , B29C51/426 , B60R13/02
摘要： Reinforced poly(ethylene terephthalate) sheets are thermoformed to articles having one or more surfaces in contact with the mold of such a degree of smoothness that they virtually completely replicate the mold face. When the mold face is completely smooth, the concave imperfections caused by air entrapment in the plastic material account for less than 6% of the surface area. Composite articles consisting of a face member and a backing member are made by thermoforming in a single mold a face member having one or more surfaces in contact with the mold face of such a degree of smoothness that it completely replicates the mold face, and its proportion of concave imperfections is less than about 6% of the surface area. The backing member is bonded in the mold with an adhesive to the face member, and the composite structure is allowed to remain in the mold for a sufficient time to permit subsequent removal without distortion. The initial polymer sheets are less than about 5% crystalline, but the thermoformed article is left in the mold until it crystallizes to the desired degree.
摘要翻译： 将增强的聚（对苯二甲酸乙二醇酯）片材热成型为具有与模具接触的一个或多个表面的制品，其具有这样的平滑度，使得它们实际上完全复制了模具表面。 当模具表面完全光滑时，由塑料材料中的空气夹带引起的凹陷缺陷占表面积的6％以下。 由面部构件和背衬构件构成的复合制品通过在单个模具中通过热成型制成，所述面部构件具有与模具表面接触的一个或多个表面，其完全复制模具面的平滑度，以及其比例 凹陷缺陷小于表面积的约6％。 背衬构件在模具中用粘合剂粘合到面构件上，并且允许复合结构留在模具中足够的时间以允许随后的去除而不变形。 初始聚合物片材的结晶度小于约5％，但将热成型制品留在模具中直到其结晶达到所需程度。
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公开(公告)号：US4468426A
公开(公告)日：1984-08-28
申请号：US444086
申请日：1982-11-24
IPC分类号： B32B7/10 , B29C51/14 , B29C70/00 , B29C70/08 , B32B17/04 , B32B27/36 , B32B37/15 , C08J5/04 , B32B7/02
CPC分类号： B32B37/153 , B29C51/14 , B29C70/086 , B32B27/36 , B29K2067/00 , B29K2309/08 , Y10T428/2495 , Y10T428/252 , Y10T428/26 , Y10T428/261 , Y10T428/28 , Y10T428/2852 , Y10T442/697
摘要： Fiber-reinforced poly(ethylene terephthalate) sheet is laminated to a sheet of amorphous, adhesive copolyester at a temperature at which poly(ethylene terephthalate) is in a molten state. The resulting composite sheet is useful in making thermoformed articles in which one member is bonded to another member, for example, a face member and a backing member. The different members are arranged so that their copolyester layers face each other. Hollow thermoformed articles bonded with amorphous copolyester adhesive exhibit very good bond strength and minimum distortion.
摘要翻译： 纤维增强聚（对苯二甲酸乙二醇酯）片材在聚对苯二甲酸乙二醇酯处于熔融状态的温度下被层压到一片无定形粘合剂共聚酯上。 所得到的复合片材可用于制造热成型制品，其中一个构件结合到另一构件，例如面构件和背衬构件。 不同的构件被布置成使得它们的共聚酯层彼此面对。 用无定形共聚酯粘合剂粘合的中空热成型制品具有非常好的粘结强度和最小的变形。
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4.发明授权
公开(公告)号：US5049340A
公开(公告)日：1991-09-17
申请号：US452143
申请日：1989-12-18
CPC分类号： C08J5/18 , B29C47/0004 , B29C47/0021 , B29D7/01 , B29K2071/00 , C08J2365/00
摘要： A process for extruding a smooth and uniform film or sheet of an ordered poly(ether ketone ketone) having a thickness of about 2.5 to 250 micrometers, wherein the molten extrudate is quenched on a drum maintained at a temperature of about 100.degree.-170.degree. C.
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公开(公告)号：US4725481A
公开(公告)日：1988-02-16
申请号：US18338
申请日：1987-02-24
CPC分类号： B32B27/08 , Y10T428/2495 , Y10T428/31797 , Y10T442/679 , Y10T442/699
摘要： (A) A continuous layer of a hydrophobic elastomer having a water vapor transmission rate of 400-2500 gm.mil/m.sup.2 /24 hrs., said hydrophobic elastomer is a copolyetherester having a multiplicity of recurring long-chain ester units and short-chain ester units, said long-chain ester units being represented by the formula ##STR1## and said short-chain ester units being represented by the formula ##STR2## where G is a divalent radical remaining after the removal of terminal hydroxyl groups from a poly(alkylene oxide)glycol having an average molecular weight of about 400-3500, the amount of ethylene oxide groups incorporated in the copolyetherester by the poly(alkylene oxide)glycol is not greater than about 20 weight percent; R is a divalent radical remaining after removal of carboxyl groups from a dicarboxylic acid having a molecular weight less than 300; D is a divalent radical remaining after removal of hydroxyl groups from a diol having a molecular weight less than about 250;(B) a continuous layer of a hydrophilic elastomer having a water vapor transmission rate of at least 3500 gm.mil/m.sup.2 /24 hrs. said hydrophilic elastomer is a copolyetherester having a multiplicity of long-chain ester units and short-chain ester units represented by formulae (I) and (II) above and having the values given above with the proviso that the amount of ethylene oxide groups incorporated in the copolyetherester by the poly(alkylene oxide)glycol is from about 25-68 weight percent andsaid bicomponent film has a separation ratio for water vapor of at least 1.2.
摘要翻译： （A）疏水性弹性体的连续层，其水蒸汽透过率为400-2500gm.mil / m2 / 24小时，所述疏水性弹性体是具有多个重复长链酯单元和短链的共聚醚酯 酯单元，所述长链酯单元由式（I）表示，所述短链酯单元由式（II）表示，其中G是除去末端后残留的二价基团 来自平均分子量为约400-3500的聚（环氧烷）二醇的羟基，由聚（环氧烷）二醇引入共聚醚酯中的环氧乙烷基团的量不大于约20重量％; R是从分子量小于300的二羧酸除去羧基后剩余的二价基团; D是从分子量小于约250的二醇中除去羟基后剩余的二价基团; （B）具有至少3500gm.mil / m 2/24小时的水蒸气透过率的亲水性弹性体的连续层。 所述亲水性弹性体是具有多个长链酯单元和由上述式（I）和（II）表示的短链酯单元的共聚醚酯，并且具有上述给出的值，条件是环氧乙烷基团的量加入 聚（环氧烷）二醇的共聚醚酯为约25-68重量％，所述双组分膜的水蒸汽分离比至少为1.2。
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公开(公告)号：US06645336B1
公开(公告)日：2003-11-11
申请号：US09670528
申请日：2000-09-27
IPC分类号： B32B3130
CPC分类号： B32B27/12 , B32B37/153 , B32B2262/0253 , B32B2307/724 , B32B2307/7265 , B32B2323/04 , B32B2323/10 , B32B2419/06 , B32B2437/00 , B32B2555/02
摘要： A process for the preparation of a laminate, particularly a waterproof moisture vapor permeable laminate, comprising a substrate having on a surface thereof a thermoplastic polymer resin coating and further comprising a peelable release layer in contact with the surface of said thermoplastic polymer resin remote from the substrate, and optionally further comprising a tie layer between the substrate and the thermoplastic polymer resin, said process comprising the steps of forming or providing a substrate layer and providing on a surface thereof a thermoplastic polymer resin coating and a peelable release layer and optionally providing a tie layer between the substrate and the thermoplastic polymer resin coating, characterized in that the thermoplastic polymer resin has a viscosity less than about 3000 Pa.s measured according to the standard ISO11443.
摘要翻译： 一种用于制备层压体，特别是防水透湿层压材料的方法，其包括在其表面上具有热塑性聚合物树脂涂层的基底，并且还包括与所述热塑性聚合物树脂的远离所述热塑性聚合物树脂的表面接触的可剥离的隔离层 衬底，并且任选地还包括在所述基底和所述热塑性聚合物树脂之间的连接层，所述方法包括以下步骤：形成或提供基底层，并在其表面上提供热塑性聚合物树脂涂层和可剥离释放层，并且任选地提供 基底和热塑性聚合物树脂涂层之间的粘结层，其特征在于热塑性聚合物树脂的粘度小于根据标准ISO11443测量的约3000Pa.s。
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公开(公告)号：US5192308A
公开(公告)日：1993-03-09
申请号：US687673
申请日：1991-04-19
CPC分类号： A61L27/34 , A61F2/06 , Y10S623/901
摘要： A vascular prosthesis is made by wetting a porous polyester fiber tubing with water until it gains close to maximum amount of weight, removing excess liquid from inside the tubing, repeatedly contacting the inside surface of the tubing with a solution of a biocompatible polymer in a water-immiscible solvent to adsorb some solution on the inside surface of the tubing, and removing excess solution, then removing solvent from the adsorbed solution to form a nonporous elastomer coating of the desired thickness on the inside surface of the tubing.
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公开(公告)号：US4769273A
公开(公告)日：1988-09-06
申请号：US137976
申请日：1987-12-28
IPC分类号： B01D71/48 , B01D71/64 , B32B27/08 , B32B27/36 , C08G63/685 , C08G73/16 , C08J5/18 , B32B7/02
CPC分类号： B32B27/08 , Y10S428/913 , Y10T428/24967 , Y10T428/31721 , Y10T428/31786 , Y10T442/2025
摘要： A bicomponent film of a hydrophilic copolyester having a WVTR of at least 3500 gm.mil/m.sup.2 /24 hrs. of a poly(etherimide) ester elastomer containing about 25-60 weight percent ethylene oxide units, and a hydrophobic copolyester having a WVTR of 400-2500 gm.mil/m.sup.2 /24 hrs. of a poly(etherimide) ester elastomer or a segmented copolyester elastomer having no more than about 20 weight percent ethylene oxide units in the hydrophobic elastomers, the bicomponent film having a separation ratio for water vapor of at least 1.2 as determined by ASTM/E 96-66 (Procedure BW).
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公开(公告)号：US4693941A
公开(公告)日：1987-09-15
申请号：US762874
申请日：1985-08-06
CPC分类号： C08L67/02 , Y10T428/31786
摘要： Poly(ethylene terephthalate) compositions containing a small amount of a terpolymer of ethylene containing carboxyl groups, which may be partly or completely converted to a divalent metal salt form, and reinforced with a mineral material having an aspect ratio of at least 10 can be formed into sheets which are readily thermoformable at moderate pressures and have very good thermoforming radius ratios.
摘要翻译： 可以形成含有少量可以部分或完全转化为二价金属盐形式的含有羧基的乙烯的三元共聚物，并且可以用长度比为至少为10的矿物材料增强的聚（对苯二甲酸乙二醇酯）组合物 可以在中等压力下容易地热成型并具有非常好的热成形半径比的片材。
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公开(公告)号：US5984963A
公开(公告)日：1999-11-16
申请号：US636783
申请日：1996-04-23
申请人： Carol A. Ryan , Gary L. Boseck , Michael F. Weiser , Samuel J. Santosuosso , Stanley B. Levy , Gary L. Loomis , George J. Ostapchenko , Mark E. Wagman
发明人： Carol A. Ryan , Gary L. Boseck , Michael F. Weiser , Samuel J. Santosuosso , Stanley B. Levy , Gary L. Loomis , George J. Ostapchenko , Mark E. Wagman
CPC分类号： A61F2/93 , A61F2/0077 , A61F2210/0004 , A61F2210/0076 , A61F2250/0098
摘要： Endovascular stents capable of being cut from a flat piece of material are described. The endovascular stents may be bioabsorbable, multilayered and may have structural configurations allowing them to maintain low profiles in vivo. Methods of manufacturing endovascular stents and methods of using endovascular stents are also described.
摘要翻译： 描述能够从平坦材料切割的血管内支架。 血管内支架可以是生物可吸收的，多层的并且可以具有允许它们在体内保持低轮廓的结构构型。 还描述了制造血管内支架的方法和使用血管内支架的方法。
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