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Title:
GELATIN FILAMENT YARN, METHOD FOR PRODUCING THE SAME, AND FIBER STRUCTURE BODY USING THE SAME
Document Type and Number:
Japanese Patent JP2020204119
Kind Code:
A
Abstract:
To provide: gelatin filament yarn which does not contain a chemical cross-linking component, wound yarn of which can be unwound, and which is suitable for medical use; a method for producing the same; and a structure body using the same.SOLUTION: Provided is filament yarn 1 comprising gelatin as a main component, wherein the gelatin filament yarn does not contain a water-soluble polymer or contains more than 0% by mass and 10 mass% or less thereof, does not contain a chemical cross-linking agent, and has a flat and solid cross-section. This gelatin filament yarn is obtained by: preparing an aqueous solution of more than 50 mass% and 70 mass% or less of gelatin, 0-10 mass% of a water-soluble polymer, 30 mass% or more and less than 50 mass% of water; vacuum-defoaming the air-liquid mixture of the gelatin-containing aqueous solution to obtain a spinning solution; and dry spinning by extruding the spinning solution and letting the same pass through a spinning cylinder.SELECTED DRAWING: Figure 1

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Inventors:
ISE TOMOKAZU
MIYAMOTO KOKI
Application Number:
JP2019113008A
Publication Date:
December 24, 2020
Filing Date:
June 18, 2019
Export Citation:
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Assignee:
NIPPON KEORI KK
International Classes:
D01F4/00; D03D1/00; D03D15/00; D04B1/14; D04C1/02
Domestic Patent References:
JP2012237083A2012-12-06
JP2005120527A2005-05-12
JPS4993562A1974-09-05
Foreign References:
WO2018235745A12018-12-27
US20160130729A12016-05-12
WO2010010817A12010-01-28
Attorney, Agent or Firm:
Patent business corporation Ikeuchi and Partners