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    Reinforced fluoropolymer composite
    2.
    发明授权
    Reinforced fluoropolymer composite 失效
    增强氟聚合物复合材料

    公开(公告)号：US5230937A

    公开(公告)日：1993-07-27

    申请号：US965986

    申请日：1992-10-22

    申请人： John A. Effenberger ,  Frank M. Keese

    发明人： John A. Effenberger ,  Frank M. Keese

    IPC分类号： D06N3/04 ,  D06N7/00

    CPC分类号： D06N3/047 ,  D06N2209/143 ,  Y10T428/24124 ,  Y10T428/2938 ,  Y10T428/2964 ,  Y10T428/3154 ,  Y10T428/31544 ,  Y10T442/365

    摘要： A novel composite comprises a substrate having a coating matrix including an initial layer of a perfluoropolymer and an overcoat comprising a fluoroelastomer, a fluoroplastic, a fluoroelastomer/fluoroplastic blend, or a combination thereof. The perfluoropolymer in the initial layer may be a perfluoroplastic, a perfluoroelastomer, or blends thereof. In a separate embodiment, the novel composite includes a substrate coated solely with one or more layers of perfluoroelastomer alone or as a blend with a perfluoroplastic. Where the substrate is not susceptible to hydrogen fluoride corrosion, the composite may include solely one or more layers of a blend of a fluoroelastomer and a hydrogen-containing perfluoroplastic. Cross-linking accelerators may be used to cross-link one or more of the resins contained in the coating layers. Each composite may be top-coated with a layer or layers of a fluoroplastic, fluoroelastomer, and/or a blend thereof. The composite is flexible, exhibits good matrix cohesion and possesses substantial adhesion of the matrix to the material acting as the reinforcement or substrate. A method for making such a composite comprises the unique deployment of a perfluoropolymer directly onto the substrate in a relatively small amount sufficient to protect the substrate from chemical corrosion without impairing flexibility, followed by the application of the overcoat layer.

    摘要翻译： 一种新型复合材料包括具有包含全氟聚合物的初始层的涂层基质和包含含氟弹性体，氟塑料，含氟弹性体/氟塑料共混物或其组合的外涂层的基材。 初始层中的全氟聚合物可以是全氟塑料，全氟弹性体或其共混物。 在单独的实施方案中，新型复合材料包括仅单独涂覆一层或多层全氟弹性体或与全氟塑料共混的基材。 当基底不易受氟化氢腐蚀时，复合材料可以仅包含一层或多层含氟弹性体和含氢全氟塑料的共混物。 交联促进剂可用于交联包覆在涂层中的一种或多种树脂。 每个复合材料可以用氟塑料，含氟弹性体和/或其共混物的一层或多层进行顶涂。 该复合材料是柔性的，表现出良好的基体内聚力，并且具有基体对作为增强材料或基材的材料的显着附着。 制备这种复合材料的方法包括将全氟聚合物以足以保护基材免受化学腐蚀而不损害柔性的相对小的量直接独特地部署到基底上，随后施加外涂层。

    Method of making laminated PTFE-containing composites and products thereof
    3.
    发明授权
    Method of making laminated PTFE-containing composites and products thereof 失效
    制备层压PTFE复合材料及其制品的方法

    公开(公告)号：US5141800A

    公开(公告)日：1992-08-25

    申请号：US719689

    申请日：1991-06-25

    申请人： John A. Effenberger ,  Francis M. Enzien ,  Frank M. Keese ,  Keith G. Koerber

    发明人： John A. Effenberger ,  Francis M. Enzien ,  Frank M. Keese ,  Keith G. Koerber

    IPC分类号： B29C65/00 ,  B32B7/04 ,  C08J5/12 ,  H05K1/03

    CPC分类号： C08J5/121 ,  B29C65/02 ,  B29C66/45 ,  B29C66/71 ,  B29C66/7292 ,  B32B7/04 ,  B29K2027/18 ,  B29L2009/00 ,  H05K1/034 ,  H05K1/036 ,  Y10T428/31544 ,  Y10T428/31678 ,  Y10T428/31699 ,  Y10T428/31913 ,  Y10T442/365 ,  Y10T442/3878

    摘要： Dispersion polymerized PTFE itself, if provided in an unfused state, is sufficiently capable of acting as a pressure sensitive adhesive to facilitate the formation of an initial mechanical bond between components of a laminate such that it may be subsequently heat treated in a relatively short period of time to produce a well-bonded final laminate. This fact makes it possible to prepare a laminate comprising at least one layer containing PTFE by the steps of:(a) preparing a first dimensionally stable laminate component having two major surfaces, at least one of said major surfaces having an exposed layer comprising unfused PTFE;(b) preparing a second dimensionally stable laminiate component having two major surfaces, at least a first of said major surfaces being capable of forming an integral bond with the unfused PTFE-containing layer;(c) bringing said first and second laminate components together so that the exposed layer comprising unfused PTFE and the surface bondable with the unfused PTFE-containing layer are in contact with each other;(d) applying pressure to the combined laminate components at moderate temperature to achieve intimate contact and form a mechanical bond between the first and second laminate components;(e) introducing the mechanically bonded to a heating zone under conditions which avoid delamination; and(f) sintering the mechanically bonded laminate components in a heating zone to consolidate the unfused PTFE-containing layer. The mechanical bond formed is sufficiently strong that the consolidation can be done in a free-sintering process (no applied pressure). Application of pressure, however, is generally not detrimental to the product.

    摘要翻译： 分散聚合的PTFE本身（如果以未熔融状态提供）足够能够用作压敏粘合剂，以便于在层压体的组分之间形成初始机械粘合，使得其随后可以在较短时间内进行热处理 时间来生产良好结合的最终层压板。 该事实使得可以通过以下步骤制备包含至少一层含PTFE的层压材料：（a）制备具有两个主表面的第一尺寸稳定的层压组件，所述主表面中的至少一个具有包含未填充PTFE ; （b）制备具有两个主表面的第二尺寸稳定的层叠构件，所述主表面中的至少第一表面能够与未熔合的含PTFE层形成整体结合; （c）使所述第一和第二层压部件一起接合，使得包含未熔合的PTFE的暴露层和与未熔合的含PTFE层接合的表面彼此接触; （d）在中等温度下对组合的叠层组件施加压力以实现紧密接触并在第一和第二层压组件之间形成机械结合; （e）在避免分层的条件下引入机械结合到加热区; 和（f）在加热区中烧结机械粘结的层压组件以固结未熔合的含PTFE层。 形成的机械结合足够强，可以在自由烧结过程（无施加压力）下进行固结。 然而，施加压力通常不会对产品产生不利影响。

    Reinforced fluoropolymer composite
    4.
    发明授权
    Reinforced fluoropolymer composite 失效
    增强氟聚合物复合材料

    公开(公告)号：US4770927A

    公开(公告)日：1988-09-13

    申请号：US864557

    申请日：1986-05-15

    申请人： John A. Effenberger ,  Frank M. Keese

    发明人： John A. Effenberger ,  Frank M. Keese

    IPC分类号： D06N3/04 ,  D06N7/00 ,  B05D5/00

    CPC分类号： D06N3/047 ,  D06N2205/20 ,  D06N2209/143 ,  Y10T428/2918 ,  Y10T428/2933 ,  Y10T428/294 ,  Y10T428/2947 ,  Y10T428/2964 ,  Y10T428/2967 ,  Y10T428/2969 ,  Y10T428/30 ,  Y10T428/3154 ,  Y10T428/31544 ,  Y10T442/2549

    摘要： A novel composite comprises a substrate having a coating matrix including an initial layer of a perfluoropolymer and an overcoat comprising a fluoroelastomer, a fluoroplastic, a fluoroelastomer/fluoroplastic blend, or a combination thereof. The perfluoropolymer in the initial layer may be a perfluoroplastic, a perfluoroelastomer, or blends thereof. In a separate embodiment, the novel composite includes a substrate coated solely with one or more layers of perfluoroelastomer alone or as a blend with a perfluoroplastic. Where the substrate is not susceptible to hydrogen fluoride corrosion, the composite may include solely one or more layers of a blend of a fluoroelastomer and a hydrogen-containing perfluoroplastic. Cross-linking accelerators may be used to cross-link one or more of the resins contained in the coating layers. Each composite may be top-coated with a layer or layers of a fluoroplastic, fluoroelastomer, and/or a blend thereof. The composite is flexible, exhibits good matrix cohesion and possesses substantial adhesion of the matrix to the material acting as the reinforcement or substrate. A method for making such a composite comprises the unique deployment of a perfluoropolymer directly onto the substrate in a relatively small amount sufficient to protect the substrate from chemical corrosion without impairing flexibility, followed by the application of the overcoat layer.

    摘要翻译： 一种新型复合材料包括具有包含全氟聚合物的初始层的涂层基质和包含含氟弹性体，氟塑料，含氟弹性体/氟塑料共混物或其组合的外涂层的基材。 初始层中的全氟聚合物可以是全氟塑料，全氟弹性体或其共混物。 在单独的实施方案中，新型复合材料包括仅单独涂覆一层或多层全氟弹性体或与全氟塑料共混的基材。 当基底不易受氟化氢腐蚀时，复合材料可以仅包含一层或多层含氟弹性体和含氢全氟塑料的共混物。 交联促进剂可用于交联包覆在涂层中的一种或多种树脂。 每个复合材料可以用氟塑料，含氟弹性体和/或其共混物的一层或多层进行顶涂。 该复合材料是柔性的，表现出良好的基体内聚力，并且具有基体对作为增强材料或基材的材料的显着附着。 制备这种复合材料的方法包括将全氟聚合物以足以保护基材免受化学腐蚀而不损害柔性的相对小的量直接独特地部署到基底上，随后施加外涂层。