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    • 73. 发明授权
    • Resin composition
    • 树脂组成
    • US5886080A
    • 1999-03-23
    • US634932
    • 1996-04-19
    • Shinji Mori
    • Shinji Mori
    • C08J5/16C08K7/16C08K7/20C08L101/00C08L101/12F16C33/12C08J5/10C08K3/40C08L33/24
    • C08K7/20
    • A resin composition which comprises about 40 to about 95% by weight of a heat-resistant resin having a heat deformation temperature of 100.degree. C. or higher under a stress of 1,820 KPa defined by ASTM D-648 and about 60 to about 5% by weight of spherical glass beads having an average particle diameter of about 10 to about 500 .mu.m, or which comprises about 40 to about 90% by weight of a heat-resistant resin having a heat deformation temperature of 100.degree. C. or higher under a stress of 1, 820 KPa defined by ASTM D-648, about 55 to about 5% by weight of spherical glass beads having an average particle diameter of about 10 to about 500 .mu.m and about 55 to about 5% by weight of a solid lubricant, is used as a suitable molding material for sliding members to be used at contact parts with a soft metal member, and when molded into seal rings in sliding contact with an aluminum alloy rotary shaft of an automatic transmission cylinder, not only wear coefficient of mate material and also self wear coefficient can be considerably lowered, but also a good working oil sealability can be effectively obtained.
    • 一种树脂组合物,其包含约40至约95重量%的由ASTM D-648限定的1,820KPa的应力和约60至约5%的热变形温度为100℃或更高的耐热树脂, 的平均粒径为约10至约500μm的球形玻璃珠,或包含约40至约90重量%的热变形温度为100℃或更高的耐热树脂 由ASTM D-648定义的1 820kPa的应力,约55至约5重量%的平均粒径为约10至约500μm和约55至约5重量%的球形玻璃珠, 固体润滑剂用作用于与软金属构件接触部分的滑动构件的合适的模塑材料,并且当模制成与自动传动缸的铝合金旋转轴滑动接触的密封环时,不仅磨损系数 的伴侣材料和自我 耳朵系数可以显着降低,而且可以有效地获得良好的工作油密封性。
    • 76. 发明授权
    • Selective laser sintering with composite plastic material
    • 选择性激光烧结与复合塑料材料
    • US5733497A
    • 1998-03-31
    • US527840
    • 1995-09-13
    • Kevin P. McAleaPaul F. ForderhaseMark E. GanningerFrederic W. KunigAngelo J. Magistro
    • Kevin P. McAleaPaul F. ForderhaseMark E. GanningerFrederic W. KunigAngelo J. Magistro
    • C08J9/24B29C39/00B29C41/00B29C67/00B29C67/20B29K105/04C08J9/32C08K7/20C08L77/00C08L101/00B29C35/08B29C41/02
    • C08K7/20B29C39/003B29C41/003B29C67/0077
    • A composite powder specially adapted for use in selective laser sintering is disclosed. The composite powder includes a polymer powder dry mixed with a reinforcement powder, where the polymer powder has a melting temperature substantially lower than that of the reinforcement powder. In the case where nearfully dense parts are to be formed, the first constituent powder is preferably a semi-crystalline powder, for example nylon 11, of a composition suitable for forming near-fully dense parts when used unblended in selective laser sintering; if porous parts are desired, the polymer powder is an amorphous powder, such as polycarbonate, polystyrene, acrylates, and styrene/acrylate copolymers. The reinforcement powder is preferably microspheres of glass, preferably coated to enhance wetting and adhesion with the polymer powder when selective laser sintering is performed. Besides improving the stiffness and heat resistance of the part produced, the composite powder widens the process window over that provided by unblended powder, provides improved dimensional accuracy in the part produced, and facilitates roughbreakout and smooth finishing of the part produced.
    • 公开了一种特别适用于选择性激光烧结的复合粉末。 复合粉末包括与增强粉末混合的聚合物粉末,其中聚合物粉末的熔融温度基本上低于加强粉末的熔融温度。 在要形成接近密集部分的情况下,第一组分粉末优选为半结晶粉末,例如尼龙11,适合于在选择性激光烧结中未掺杂时形成近乎致密部分的组合物; 如果需要多孔部分,聚合物粉末是无定形粉末,例如聚碳酸酯,聚苯乙烯,丙烯酸酯和苯乙烯/丙烯酸酯共聚物。 增强粉末优选是玻璃微球体,优选涂覆以在选择性激光烧结时增强与聚合物粉末的润湿性和粘合性。 除了提高所生产部件的刚度和耐热性之外,复合材料粉末使工艺窗口比非混合粉末提高了加工窗口的尺寸,提高了产品尺寸精度,并促进了生产部件的破裂和光滑整理。
    • 79. 发明授权
    • Marking comprising glass beads in a matrix
    • 在基质中包含玻璃珠的标记
    • US5128203A
    • 1992-07-07
    • US325336
    • 1989-02-17
    • Pierre Laroche
    • Pierre Laroche
    • G09F13/16B65D69/00C03C12/02C03C17/30C03C17/34C08K7/20C08K9/04C09D5/33C09D7/12E01F9/00E01F9/04E01F9/08E01F9/087G09F3/00G09F19/22
    • C08K9/04C08K7/20C09D5/004E01F9/524G09F19/22G09F3/00Y10S428/913Y10T428/252Y10T428/2995Y10T428/2996
    • A marking kit whose constituents are capable of forming a marking material includes a polymeric matrix-forming material and coated glass beads for incorporation into the matrix. Surface coated glass beads suitable for incorporation into the matrix are also disclosed, as is a process for the surface coating of the glass beads, a reflective surface marking comprising a synthetic polymeric matrix incorporating the coated glass beads; and a process for the reflective marking of a surface. Glass beads are surface coated with a material effective to provide the coated glass beads with a surface tension greater than that of the matrix-forming material and ranging from 30 to 70 mN/m. In the surface treatment, the beads may be brought into contact with at least one organic or organo-metallic compound selected from the group consisting of chloro-, boromo-, iodo-, amino-, chloroamino-, mercapto-, and epoxy-compounds to form a coating on their surface of a type which makes them hydrophobic and gives the beads a surface tension within the most preferred range of 30 to 51 mN/m. The reflective surface marking may be formed by applying a suitable thickness of polymeric matrix-forming material on a surface, such as pavement, and sprinkling and coated glass beads on the surface of that matrix-forming material before it hardens.
    • 其组分能够形成标记材料的标记试剂盒包括聚合基质形成材料和用于结合到基质中的涂覆的玻璃珠。 还公开了适用于掺入基质的表面被覆玻璃珠,玻璃珠的表面涂覆方法也是一种反射性表面标记,其包含合并的涂覆玻璃珠的合成聚合物基体; 以及用于表面的反射标记的方法。 玻璃珠被表面涂覆有效地提供涂层玻璃珠的表面张力大于基质形成材料的表面张力并且范围为30至70mN / m的材料。 在表面处理中,珠可以与至少一种选自氯 - ,硼 - ,碘 - ,氨基 - ,氯氨基 - ,巯基 - 和环氧化合物的有机金属或有机金属化合物接触 在其表面上形成一种使其疏水并使珠粒表面张力在30至51mN / m的最优选范围内的表面。 反射表面标记可以通过在表面上施加适当厚度的聚合物基质形成材料形成,例如路面,并且在其形成硬化之前在该基质形成材料的表面上喷洒和涂覆玻璃珠。