Patents Assigned to MC Yamasan Polymers Co., Ltd.
  • Publication number: 20120003020
    Abstract: Provided is a cleaning web produced without use of a binder that is superior in smoothness, release efficiency and orientation, resistant to fluffing, having a high heat-resistance temperature, superior in low water-absorption and compatible with oils, and having particular cleaning characteristics. A cleaning web for cleaning the surface of articles to be cleaned, produced by impregnating a web for cleaning the surface of articles to be cleaned with an oil, wherein the web is a nonwoven fabric containing a melt-liquid-crystal-forming wholly aromatic polyester having a melt viscosity of 20 Pa·s or less at 310° C. as the principal component that is produced by melt-blown method and has an average fiber diameter of 3 ?m or more and 15 ?m or less, a thickness of 20 ?m or more and 80 ?m or less, an average basis weight of 9 g/m2 or more and 30 g/m2 or less, a density of 0.25 g/cm3 or more and 1.4 g/cm3 or less, a maximum tensile stress in the machine and crosswise directions of 1.0(N/1.5 cm) or more and 4.0(N/1.
    Type: Application
    Filed: June 11, 2007
    Publication date: January 5, 2012
    Applicants: Tachibana Shoten Co., Ltd, MC Yamasan Polymers Co., Ltd., Kuraray Co., Ltd.
    Inventors: Hiromi Furuya, Yuu Miyaguchi, Yasuhiro Shirotani, Kouji Sugimoto