Kuraray Co., Ltd.

Nbc Industries Co., Ltd.

Junyo Nakagawa

Takashi Katayama

Naoki Fujiwara

Kazuhiko Tanaka

Masao Kawamoto

Hitoshi Nakatsuka

Kiyoshi Hirakawa

Takao Akagi

Shinji Yamaguchi

Nobuhiro Koga

Tomoaki Kimura

Akihiro Hokimoto

Isao Tokunaga

Hiroshi Kanehira

Toru Yokomizo

Koji Hiramatsu

Masaaki Ito

Yoshimi Umemura

Hiroki Sano

Provided are melt-spun fibers comprising, as at least one component, a water-soluble polyvinyl alcohol, and a method for producing fibrous structures comprising the fibers. The thermoplastic polyvinyl alcohol fibers comprise, as at least one component, a water-soluble polyvinyl alcohol containing from 0.1 to 25 mol % of C1-4 &agr;-olefin units and/or vinyl ether units, having a molar fraction, based on vinyl alcohol units, of a hydroxyl group of vinyl alcohol unit located at the center of 3 successive vinyl alcohol unit chain in terms of triad expression of being from 70 to 99.9 mol %, having a carboxylic acid and lactone ring content of from 0.02 to 0.15 mol %, and having a melting point falling between 160&deg; C. and 230&deg; C., and contain from 0.0003 to 1 part by weight, relative to 100 parts by weight of the polyvinyl alcohol therein and in terms of sodium ion, of an alkali metal ion.

Thermoplastic polyvinyl alcohol fibers and method for producing them

A screen textile material for high precision and high density screen printing is made of a core and sheath type conjugate fiber in which a core component is formed of a thermotropic liquid crystalline polyester (A polymer) and a sheath component is formed by blending a flexible thermoplastic polymer (B polymer) and a thermotropic liquid crystalline polyester (C type) with a blending ratio of the C polymer of 0.15 to 0.45. The core and sheath type conjugate fiber has a specific color specification values to perform high quality printing by prevention of halation.

Screen textile material

The invention relates to a woven fabric and more particularly to a woven fabric having a velvety appearance. At least either warp yarns or weft yarns in the fabric comprise conjugate fibers having a cross sectional configuration such that the flatness is 3.5-15.0. Conjugate fibers representing more than 35% by weight of the conjugate fiber content of the fabric at portions other than formation points of the fabric have an angle of inclination of 45.degree.-90.degree. relative to the surface of the fabric. The floating distance between the formation points of the fabric covers a length of more than 1/4 of the pitch of the twist in the conjugate fiber.

Woven fabric having a velvety appearance

A suede woven fabric comprises a warp yarn selected from the group consisting of polyester textured yarn, polyester filament yarn and polyester spun yarn, and a weft yarn of polyester island filaments whose mean thicknesses in denier are within the range from 0.05 to 0.50 and whose degree of variation of thickness is 15 to 60%; wherein a portion of said island filaments on at least one surface of the fabric is raised to form piles of individual island monofilaments whose mean lengths are from 0.5 to 4.0mm; wherein the number of floating points on said weft yarn, whose number of floats in within the range of 3 to 11, is 100 to 500/cm.sup.2 of woven fabric, and wherein the relation between the shear stiffness G.sub.0.5 at a shear angle of 0.5.degree. and the stiffness G.sub.5 at a shear angle of 5.degree., represented by G.sub.5 /G.sub.0.5, is 1.5 to 15.

Suede woven fabric and a process of manufacturing the same

Growing community of inventors

Kurashiki, Japan

Junyo Nakagawa