Patents Assigned to Chisso Polypro Fiber Co., Ltd.
  • Publication number: 20100086745
    Abstract: A composite spunbond nonwoven and a laminate using the same are provided. The composite spunbond nonwoven is formed of a composite fiber including a low melting point component and a high melting point component. The composite fiber is partially thermal compression bonded to each other, and thermal compression bonded portions have fine folded structures formed by repeating convex portions and concave portions in a CD (cross direction in nonwoven manufacturing). An average of distances between adjacent convex portions of the folded structures is in a range of 100 ?m-400 ?m. The composite spunbond nonwoven exhibits an elongation property by unfolding the fine folded structures. When the composite spunbond nonwoven is elongated by 5%, a CD strength is less than or equal to 0.1 N/5 cm width, and a MD/CD strength ratio is greater than or equal to 200. MD is longitudinal direction in nonwoven manufacturing.
    Type: Application
    Filed: October 8, 2009
    Publication date: April 8, 2010
    Applicants: CHISSO CORPORATION, CHISSO POLYPRO FIBER CO., LTD.
    Inventors: HIDEMI ITO, TAIJU TERAKAWA
  • Publication number: 20090238849
    Abstract: A stretchable laminated sheet with hydrophilic properties, which particularly has an excellent feeling and stability in wearing and is capable of efficiently enhancing the effect and efficacy brought about by a liquid component on a skin or other object, when the stretchable laminated sheet is impregnated with the liquid component and wet and then used on the skin or other object.
    Type: Application
    Filed: March 10, 2009
    Publication date: September 24, 2009
    Applicants: Chisso Corporation, Chisso Polypro Fiber Co., Ltd.
    Inventors: Junji Iwata, Yasushi Matsuda
  • Patent number: 6495255
    Abstract: Disclosed herein is a polyolefin splittable conjugate fiber comprising at least two components of polyolefin resins (including polystyrene resins) and having a cross sectional structure with each of the components arranged alternately, wherein at least one of the component resins contains 1-30% by weight of an ethylene-vinyl alcohol copolymer whose saponification degree is 95% or more. Using the splittable conjugate fiber of the invention, a fiber structure having a fine and even surface can be provided.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: December 17, 2002
    Assignees: Chisso Corporation, Chisso Polypro Fiber Co., Ltd.
    Inventors: Toshihiko Tsutsui, Masaru Nishijima, Kazuyuki Sakamoto