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    • 63. 发明申请
    • Optical fibers possessing a primary coating with a higher degree of cure and methods of making
    • 具有较高固化程度的初级涂层和制造方法的光纤
    • US20030059188A1
    • 2003-03-27
    • US10086109
    • 2002-02-27
    • Linda S. BakerJohn S. Peanasky
    • G02B006/16
    • C03C25/1065
    • An optical fiber including: a fiber including at least a core; a primary coating substantially encapsulating the fiber, the primary coating being the cured product of a first polymerizable composition including a first photoinitiator which absorbs light within a range of the UV spectrum; and a secondary coating substantially encapsulating the primary coating on the fiber, the secondary coating being the cured product of a second polymerizable composition including a second photoinitiator which also absorbs light within the range of the UV spectrum, wherein an average integrated intensity for the second photoinitiator is 95% or less of the average integrated intensity for the primary photoinitiator over at least a portion of the range of the UV spectrum. Also disclosed are fiber optic ribbons including the optical fibers, methods of making the optical fibers, and methods of increasing the degree of cure for a primary coating on an optical fiber.
    • 一种光纤,包括:至少包含芯的纤维; 初级涂层基本上包封纤维,初级涂层是第一可聚合组合物的固化产物,其包含在UV光谱范围内吸收光的第一光引发剂; 以及基本上将所述主涂层包封在所述纤维上的二次涂层,所述第二涂层是包含第二光引发剂的第二可聚合组合物的固化产物,所述第二光引发剂也吸收在所述UV光谱范围内的光,其中所述第二光引发剂的平均积分强度 在UV光谱的范围的至少一部分上为初级光引发剂的平均积分强度的95%或更小。 还公开了包括光纤的光纤带,制造光纤的方法以及增加光纤上的初级涂层的固化程度的方法。
    • 67. 发明申请
    • Coated optical fiber
    • 涂层光纤
    • US20020168520A1
    • 2002-11-14
    • US10056565
    • 2002-01-25
    • James R. TolerEdward J. Fewkes
    • D02G003/00
    • G02B6/2558C03C25/106C03C25/1065G02B6/4402Y10T428/2933Y10T428/2964
    • The disclosed coated optical fiber includes a core surrounded by a cladding. At least a segment of the fiber is coated with a photopolymerizable coating composition. The photopolymerizable coating composition is a mixture of at least about 60% of a first polyurethane acrylate coating having a Young's modulus of at least about 400 MPa and about 5-40% of a second polyurethane coating having a Young's modulus of no more than about 50 MPa. The invention further includes a method of making the coated optical fiber. The method includes the steps of blending the photopolymerizable coating composition as recited above and splicing an end section of a first optical fiber having a core and a cladding to an end section of a second optical fiber having a core and a cladding, thereby forming a resultant optical fiber. The aforementioned photopolymerizable composition is applied to the end section of the first optical fiber and the end section of the second optical fiber after the resultant fiber is formed and the composition is cured.
    • 公开的涂覆光纤包括被包层包围的芯。 纤维的至少一段用可光聚合的涂料组合物涂覆。 可光聚合涂料组合物是至少约60%的具有至少约400MPa的杨氏模量和约5-40%的杨氏模量不超过约50的第二聚氨酯涂层的第一聚氨酯丙烯酸酯涂层的混合物 MPa。 本发明还包括制造涂覆光纤的方法。 该方法包括以下步骤:将上述可光聚合涂层组合物混合并将具有芯和包层的第一光纤的端部与将芯和包层的第二光纤的端部拼接,从而形成结果 光纤。 在形成所得纤维并将组合物固化后,将上述可光聚合组合物施加到第一光纤的端部和第二光纤的端部。
    • 69. 发明申请
    • ULTRAVIOLET CURABLE COATINGS FOR OPTICAL FIBER FOR WET-ON-WET APPLICATION
    • 用于光纤光纤的超紫外线固化涂层
    • US20020106173A1
    • 2002-08-08
    • US09739677
    • 2000-12-20
    • Peter StupakIgor Khudyakov
    • G02B006/22C08F002/50
    • C03C25/12C03C25/1065G02B6/02033
    • The present invention is a method of making an optical fiber, and the fiber itself, where the primary and secondary coatings are cured simultaneously with Uv radiation. The method of making the optical fiber comprises applying the primary coating on a glass fiber (optical fiber) where the primary coating has a first photoinitiator which allows the primary coating to be cured by a first wavelength range of UV light, applying the secondary coating over the primary coating where the secondary coating contains a second photoinitiator whose UV reaction spectra is substantially different from the first photoinitiator in the primary coating and which allows the secondary coating to be cured through exposure to UV radiation in a second wavelength range of UV light, and finally by exposing the optical fiber, having the two coatings, to a UV light source which contains wavelengths in both wavelength ranges of the first and second photoinitiators, so that the primary and secondary coatings cure simultaneously. The present invention is directed to eliminating the problems of uncontrollable post-cure hardening of the coatings, that exist in present manufacturing methods, while at the same time greatly reducing the time and costs involved in making optical fibers by reducing the height of the draw tower and increasing production speeds, without compromising the quality or durability of the fiber coatings.
    • 本发明是制造光纤的方法和纤维本身,其中初级和次级涂层与Uv辐射同时固化。 制造光纤的方法包括将第一涂层施加在玻璃纤维(光纤)上,其中初级涂层具有第一光引发剂,其允许初级涂层通过UV光的第一波长范围固化,施加二次涂层 其中第二涂层含有第二光引发剂,其UV反应光谱与初级涂层中的第一光引发剂基本上不同,并且允许二次涂层通过在UV光的第二波长范围内暴露于UV辐射而固化,以及 最后通过将具有两个涂层的光纤暴露于包含第一和第二光引发剂的两个波长范围内的波长的UV光源,使得初级和次级涂层同时固化。 本发明旨在消除当前制造方法中存在的涂层不可控后固化硬化的问题,同时通过降低拉制塔的高度大大减少制造光纤所涉及的时间和成本 并提高生产速度,而不损害纤维涂层的质量或耐久性。