Title:
SPINNING NOZZLE, PROCESS FOR PRODUCING FIBROUS MASS, FIBROUS MASS, AND PAPER
Document Type and Number:
WIPO Patent Application WO/2014/133006
Kind Code:
A1
Abstract:
A spinning nozzle (1) which has a perforated part (2) in which ejection holes (3) have been arranged in a density as high as 600-1,200 holes/mm2. This process for producing a fibrous mass comprises ejecting a spinning dope having a viscosity as measured at 50ºC of 30-200 P from the ejection holes (3) of the spinning nozzle (1) to produce a fibrous mass. This fibrous mass has a single-fiber fineness of 0.005-0.01 dtex. By the wet-process direct spinning, a mass of nanofibers which are stably uniform and continuous can be produced at a high efficiency.
Inventors:
KOTERA YOSHINOBU (JP)
ONOHARA YUKIO (JP)
NAKANISHI SHIMA (JP)
ONOHARA YUKIO (JP)
NAKANISHI SHIMA (JP)
Application Number:
PCT/JP2014/054696
Publication Date:
September 04, 2014
Filing Date:
February 26, 2014
Export Citation:
Assignee:
MITSUBISHI RAYON CO (JP)
International Classes:
D01D4/02; D01D5/06; D01F6/18; D04H1/43; D21H13/18
Foreign References:
| JP2000328347A | 2000-11-28 | |||
| JPS6221810A | 1987-01-30 | |||
| JPH0739061B2 | 1995-05-01 | |||
| JP2001200420A | 2001-07-27 | |||
| JPH03206114A | 1991-09-09 | |||
| JPS53122815A | 1978-10-26 | |||
| JP2000328347A | 2000-11-28 | |||
| JPS6221810A | 1987-01-30 | |||
| JPS51119826A | 1976-10-20 | |||
| JP2012072519A | 2012-04-12 | |||
| JPS587760A | 1983-01-17 |
Other References:
See also references of EP 2963161A4
Attorney, Agent or Firm:
NOGUCHI, Takeo et al. (JP)
Takeo Noguchi (JP)
Takeo Noguchi (JP)
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