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1. 发明授权

US5286576A Compression molded flame retardant and high impact strength ultra high molecular weight polyethylene composition 失效
标题翻译：压塑模制阻燃剂和高冲击强度超高分子量聚乙烯组合物
公开(公告)号：US5286576A
公开(公告)日：1994-02-15
申请号：US759988
申请日：1991-09-12
申请人： Raymond C. Srail , Richard A. Glover , Roy L. Orndorff, Jr.
发明人： Raymond C. Srail , Richard A. Glover , Roy L. Orndorff, Jr.
IPC分类号： B32B27/20 , B32B27/18 , B32B27/32 , C08K3/32 , C08K5/52 , C08K5/521 , C08K7/00 , C08K7/14 , C08L23/06 , C08L101/00
CPC分类号： C08K3/32 , B32B27/18 , C08K7/14 , Y10S428/921 , Y10T428/24994 , Y10T428/252 , Y10T428/31913 , Y10T428/31917
摘要： Impact resistant and flame retardant polymer composition, slab-like rectangular solid made of said composition, and composite laminate article having at least one layer of said composition. The polymer composition comprises a maximum of 86 volume percent of ultra high molecular weight polyethylene (UHMWPE), a minimum of 4.40 volume percent of a flame retardant additive or mixture thereof, and a minimum of 6 volume percent of chopped reinforcing fibers, all volumes referring to the densified (molded) state. In addition the bulk volume of the chopped reinforcing fibers, as measured by a tapped density test, must be a minimum of 27 percent of the final molded volume of the composition. The maximum volume % loading of the additives is limited by the requirement that the notched Izod impact strength is a minimum of 7 ft.-lb per inch width. The preferred flame retardant additive is essentially a water insoluble form of ammonium polyphosphate having a water solubility not exceeding 1 gram per 100 grams of water, and the preferred reinforcing fibers are chopped glass fibers about 1/8 to 1/4" inch in length.
摘要翻译：耐冲击和阻燃聚合物组合物，由所述组合物制成的板状矩形固体和具有至少一层所述组合物的复合层压制品。聚合物组合物包含最大86体积％的超高分子量聚乙烯（UHMWPE），至少4.40体积％的阻燃添加剂或其混合物，以及至少6体积％的切碎的增强纤维，所有体积参考到致密（模制）状态。此外，通过敲击密度测试测量的切碎的增强纤维的体积体积必须是组合物的最终模塑体积的最小值的27％。添加剂的最大体积％负载量受到缺口伊佐德冲击强度每英寸宽度最小为7英尺 - 磅的要求的限制。优选的阻燃添加剂基本上是水不溶性形式的多磷酸铵，其水溶解度不超过每克100g水1克，优选的增强纤维是长度为1/8至1/4“英寸的短切玻璃纤维。

2. 发明授权

US5051200A Flexible high energy magnetic blend compositions based on rare earth magnetic particles in highly saturated nitrile rubber 失效
标题翻译：基于高饱和丁腈橡胶中稀土磁性颗粒的柔性高能磁共混组合物
公开(公告)号：US5051200A
公开(公告)日：1991-09-24
申请号：US409539
申请日：1989-09-19
申请人： Raymond C. Srail , Richard A. Glover , Tiong H. Kuan , Thomas R. Szczepanski
发明人： Raymond C. Srail , Richard A. Glover , Tiong H. Kuan , Thomas R. Szczepanski
IPC分类号： C22C38/00 , C08K3/08 , H01F1/053 , H01F1/14
CPC分类号： H01F1/0533 , C08K3/08 , C08K2201/01
摘要： A flexible magnetic blend composition is provided which is comprised of high energy rare earth magnetic particles in a flexible high temperature resistant and oil resistant polymer binder. The binder system preferably comprises a highly saturated nitrile rubber (HSN) or a polymer alloy of the same in which a HSN is the major polymer and also contains additives which are compatible with processing, subsequent electron beam curing, and final product performance. The binder system is high loaded, usually from about 50 to about 70 volume percent, with the high energy rare earth magnetic particles, which can produce bonded magnets with a maximum energy product of at least 2.5 megagauss-oersteds, a remenance, B.sub.r of at least 3400 gauss, a coercive force, Hc, of at least 2900 oersteds and an intrinsic coercivity, Hci, of at least 5000 oersteds. The process for production of this system involves the binder system and rare earth magnetic particles being mixed and then formed into a final geometry before being cured by high voltage electron beam radiation. The electron beam curing in the solid state fixes dimensional stability, magnetic properties, and oil, solvent and chemical resistance of the part even when exposed to subsequent hostile temperature environments of 100.degree. C. or higher. Further, the HSN binder system reduces oxidation of the rare earth magnetic particles from subsequent hot air aging when compared to conventional nitrile elastomer binder system. Any off geometry parts or trim produced in the process prior to radiation curing can be recycled through processing several times without fear of premature cure.

3. 发明授权

US5428332A Magnetized material having enhanced magnetic pull strength and process and apparatus for the multipolor magnetization of the material 失效
标题翻译：具有增强的磁力强度的磁化材料以及用于材料的多色磁化的工艺和装置
公开(公告)号：US5428332A
公开(公告)日：1995-06-27
申请号：US249668
申请日：1994-05-26
申请人： Raymond C. Srail , Richard A. Glover , Thomas R. Szczepanski , Eric M. Weissman , Frederic W. Kunig
发明人： Raymond C. Srail , Richard A. Glover , Thomas R. Szczepanski , Eric M. Weissman , Frederic W. Kunig
IPC分类号： H01F1/113 , H01F7/02 , H01F13/00 , H01F41/02 , H01F7/20 , H01H47/00
CPC分类号： H01F7/0215 , H01F13/003 , Y10S264/58
摘要： A process and apparatus for permitting the magnetization of flexible hard magnetic materials in the form of sheets or strips, such as magnetic rubber, wherein opposing arrays formed from alternating magnetic disks and flux conducting elements are use in sets of two with opposing polar moments such as to induce a magnetic flux in the gap between the discs. The width of the magnetic disk and flux conducting elements, respectively, are selected to optimize the magnetic pull strength of the material. At the array ends are flux conducting elements that are about 1/2 (i.e., from about 0.25 to about 0.75, and preferably from about 0.4 to 0.6) of the width of the internal flux conducting elements. A material to be magnetized is passed between the array sets in contrast with both disks and consequently imprinted with magnetic poles. The magnetized properties of the material is enhanced by passing the material through a second set of arrays which are axially offset with respect to the first set of arrays. This enhances the residual induction of the sample, the shape of the Br.sup.2 versus distance curve, and significantly improves the pull strength of the material. A device is provided for the production of the material, and further can be used without modification to imprint nontraversing magnetization by biasing the material to one of the arrays of the second, i.e. exiting, set of arrays.
摘要翻译：用于允许以片或条形式（例如磁性橡胶）形式的柔性硬磁材料的磁化的方法和装置，其中由交替的磁盘和磁通传导元件形成的相对阵列以两个相反的极性力矩组合使用，例如以在盘之间的间隙中引起磁通量。分别选择磁盘和磁通传导元件的宽度以优化材料的磁拉力。在阵列端部是通量传导元件，其为内部通量传导元件的宽度的约1/2（即约0.25至约0.75，优选约0.4至0.6）。与两个磁盘相比，要被磁化的材料在阵列组之间通过，并因此被磁极印制。通过使材料通过相对于第一组阵列轴向偏移的第二组阵列来增强材料的磁化特性。这增强了样品的残留感应，Br2对距离曲线的形状，并显着提高了材料的拉伸强度。提供了一种用于生产材料的装置，并且还可以在不改变的情况下使用来通过将材料偏压到第二阵列，即退出的阵列组中的一个而不影响非运动磁化。

4. 发明授权

US5002677A Flexible high energy magnetic blend compositions based on ferrite particles in highly saturated nitrile rubber and methods of processing the same 失效
标题翻译：基于高饱和丁腈橡胶中的铁氧体颗粒的柔性高能磁共混组合物及其加工方法
公开(公告)号：US5002677A
公开(公告)日：1991-03-26
申请号：US409491
申请日：1989-09-19
申请人： Raymond C. Srail , Richard A. Glover , Tiong H. Kuan , Thomas R. Szczepanski
发明人： Raymond C. Srail , Richard A. Glover , Tiong H. Kuan , Thomas R. Szczepanski
IPC分类号： C08L101/00 , C08K3/22 , C08K3/24 , H01F1/113 , H01F1/117
CPC分类号： H01F1/117 , C08K3/22 , C08K3/24 , C08K2201/01 , Y10S428/90
摘要： A flexible magnetic blend composition is provided which is comprised of high energy ferrite magnetic particles in a flexible high temperature resistant and oil resistant polymer binder. The binder system is preferably a highly saturated nitrile rubber (HSN) or a polymer alloy of the same in which a HSN is the major polymer containing alloying polymers and/or additives which are compatible with processing, subsequent electron beam curing, and final product performance. The binder system is highly loaded usually from 55 to 65 volume percent with the high energy ferrite particles, i.e., barium and/or strontium ferrite particles, which can produce bonded magnets with a maximum energy product of at least 1.0 megagauss-oersteds, a remenance, Br, of at least 2000 gauss, a coercive force, H.sub.c, of at least 1800 oersteds, and an intrinsic coercivity, H.sub.ci, of at least 2000 oersteds. The process for production of this system involves the binder system and ferrite particles being mixed, the ferrite particles oriented in a preferred direction during processing, then formed into a final geometry before being cured by high voltage electron beam radiation, preferably in excess of 3,000,000 electron volts. The electron beam curing in the solid state fixes dimensional stability, magnetic properties, oil, solvent, and chemical resistance of the part even when exposed to subsequent hostile temperature environments of 125.degree. C. or higher. Any off geometry parts or trim produced in the process prior to radiation curing can be recycled through processing several times without fear of premature cure.

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