Coated optical fiber and optical fiber coating system including a hydrophilic primary coating
    2.
    发明授权
    Coated optical fiber and optical fiber coating system including a hydrophilic primary coating 有权
    包覆光纤和光纤涂层系统,包括亲水性初级涂层

    公开(公告)号:US07010205B2

    公开(公告)日:2006-03-07

    申请号:US10675720

    申请日:2003-09-29

    IPC分类号: G02B6/02 G02B6/16 G02B6/22

    CPC分类号: C03C25/1065 G02B6/02395

    摘要: The present invention provides optical fiber coating systems and coated optical fibers having hydrophilic primary coatings. According to one embodiment of the invention, a coated optical fiber includes an optical fiber having a core and a cladding; a hydrophilic primary coating encapsulating the optical fiber, the primary coating having a Young's modulus less than about 2 MPa; and a secondary coating encapsulating the primary coating, wherein the primary coating exhibits substantially no water bubble formation and substantially no delamination when the coated optical fiber is soaked in water at 23° C. for 30 days.

    摘要翻译: 本发明提供了具有亲水性初级涂层的光纤涂层系统和涂覆光纤。 根据本发明的一个实施例,涂覆光纤包括具有芯和包层的光纤; 包封光纤的亲水性初级涂层,初级涂层的杨氏模量小于约2MPa; 以及包封初级涂层的二次涂层,其中当涂布的光纤在23℃的水中浸泡30天时,初级涂层基本上不显示水泡形成,并且基本上不脱层。

    Method of forming and shaping plasticized mixtures by low to moderate
shear extrusion
    3.
    发明授权
    Method of forming and shaping plasticized mixtures by low to moderate shear extrusion 失效
    通过低至中等剪切挤出成型和成型增塑混合物的方法

    公开(公告)号:US6113829A

    公开(公告)日:2000-09-05

    申请号:US115929

    申请日:1998-07-15

    摘要: A method for forming and shaping powder mixtures involves compounding, homogenizing, and plasticizing components to form a mixture. The components are powder materials, binder, solvent for the binder, surfactant, and non-solvent with respect to at least the binder, the solvent, and the powder materials. The non-solvent is lower in viscosity than the binder combined with the solvent. The components are chosen to result in improved wet green strength in the subsequently formed green body. The compounding is done by the steps of dry-mixing the powder material, surfactant and binder to form a uniform blend, adding the solvent to the resulting dry blend, and thereafter adding the non-solvent to the blend. The mixture is shaped by passing it through a low to moderate shear extruder, and then through a die to form a green body. The compounding and shaping steps are carried out at a temperature of no greater than ambient temperature. The method is especially suitable for RAM extrusion. Among the advantages, the method results in higher extrusion velocity, throughputs, and wet green strength, without increasing pressures and torques.

    摘要翻译: 用于形成和成形粉末混合物的方法包括混合,均化和增塑组分以形成混合物。 组分是至少粘合剂,溶剂和粉末材料的粉末材料,粘合剂,粘合剂的溶剂,表面活性剂和非溶剂。 非溶剂的粘度低于与溶剂结合的粘合剂。 选择这些组分以在随后形成的生坯中产生改善的湿绿色强度。 通过干粉混合粉末材料,表面活性剂和粘合剂以形成均匀的共混物,向所得干混物中加入溶剂,然后向混合物中加入非溶剂的步骤进行配混。 将混合物通过使其通过低至中等剪切挤出机成型,然后通过模头形成生坯体。 复合和成型步骤在不高于环境温度的温度下进行。 该方法特别适用于RAM挤出。 其优点之一是在不增加压力和转矩的情况下,可提高挤出速度,生产量和湿绿色强度。

    Method of forming and shaping plasticized mixtures and the green bodies made therefrom
    5.
    发明授权
    Method of forming and shaping plasticized mixtures and the green bodies made therefrom 失效
    塑化混合物和由其制成的生坯体的形成和成型方法

    公开(公告)号:US06372033B1

    公开(公告)日:2002-04-16

    申请号:US09503625

    申请日:2000-02-11

    IPC分类号: C08L8900

    摘要: Powder mixtures and a method of forming and shaping the mixtures. The method involves compounding the components of powder materials, binder, solvent for the binder, surfactant, and non-solvent with respect to at least the binder, the solvent, and the powder materials. The non-solvent is lower in viscosity than the binder combined with the solvent. The solvent is present in an amount that is less than the amount that would be present otherwise. The components are mixed and plasticized, and shaped to form a green body. The choice of components results in improved wet green strength in the green body. The method is especially useful for extrusion processing of aqueous binder systems such as water and cellulose ethers and hydrophobic non-solvents, to form structures such as honeycombs. In the body, the ratio, upon subsequent firing, of the isostatic strength to the A-axis strength is at least about 20% higher than in bodies made without the mixture composition of the invention. A honeycomb body having a ratio of the isostatic strength to the A-axis strength of at least about 0.33 upon firing.

    摘要翻译: 粉末混合物和形成和成型混合物的方法。 该方法包括将至少粘合剂,溶剂和粉末材料的粉末材料,粘合剂,粘合剂,表面活性剂和非溶剂的溶剂的组分混合。 非溶剂的粘度低于与溶剂结合的粘合剂。 溶剂的存在量小于否则会存在的量。 将组分混合并塑化,并成形以形成生坯。 组分的选择导致生坯中湿绿色强度的提高。 该方法特别适用于水性粘合剂体系如水和纤维素醚和疏水性非溶剂的挤出加工,以形成结构如蜂窝。 在身体中,随后的烧制中的等静压强度与A轴强度的比例比不用本发明的混合物组合物制造的体积高至少约20%。 具有等离子强度与A轴强度的比例在焙烧时为至少约0.33的蜂窝体。

    Method of forming and shaping plasticized mixtures
    6.
    发明授权
    Method of forming and shaping plasticized mixtures 失效
    塑化混合物的形成和成型方法

    公开(公告)号:US6080345A

    公开(公告)日:2000-06-27

    申请号:US116144

    申请日:1998-07-15

    摘要: Powder mixtures and a method of forming and shaping the mixtures. The method involves compounding the components of powder materials, binder, solvent for the binder, surfactant, and non-solvent with respect to at least the binder, the solvent, and the powder materials. The non-solvent is lower in viscosity than the binder combined with the solvent. The solvent is present in an amount that is less than the amount that would be present otherwise. The components are mixed and plasticized, and shaped to form a green body. The choice of components results in improved wet green strength in the green body. The method is especially useful for extrusion processing of aqueous binder systems such as water and cellulose ethers and hydrophobic non-solvents, to form structures such as honeycombs. In the body, the ratio, upon subsequent firing, of the isostatic strength to the A-axis strength is at least about 20% higher than in bodies made without the mixture composition of the invention. A honeycomb body having a ratio of the isostatic strength to the A-axis strength of at least about 0.33 upon firing.

    摘要翻译: 粉末混合物和形成和成型混合物的方法。 该方法包括将至少粘合剂,溶剂和粉末材料的粉末材料,粘合剂,粘合剂,表面活性剂和非溶剂的溶剂的组分混合。 非溶剂的粘度低于与溶剂结合的粘合剂。 溶剂的存在量小于否则会存在的量。 将组分混合并塑化,并成形以形成生坯。 组分的选择导致生坯中湿绿色强度的提高。 该方法特别适用于水性粘合剂体系如水和纤维素醚和疏水性非溶剂的挤出加工,以形成结构如蜂窝。 在身体中,随后的烧制中的等静压强度与A轴强度的比例比不用本发明的混合物组合物制造的体积高至少约20%。 具有等离子强度与A轴强度的比例在焙烧时为至少约0.33的蜂窝体。