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Patent Searching and Data


Title:
WINDING CORE AND WINDING CORE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2016/031861
Kind Code:
A1
Abstract:
The present invention provides a winding core that is lightweight and has excellent dimensional precision and ability to reduce long length bending. A winding core obtained by molding a resin composition containing (A) at least one type of noncrystalline resin selected from styrene resins, polycarbonates, polyarylates, polyphenylene oxides and polysulfones, (B) a polylactic acid, and an inorganic filler, wherein the resin composition is obtained by blending 50-80 parts by mass of the noncrystalline resin (A) with 20-50 parts by mass of the polylactic acid resin (B) (provided that the total of the noncrystalline resin (A) and the polylactic acid (B) is 100 parts by mass). Preferably, a winding core obtained by also blending 10-40 parts by mass of the inorganic filler (C).

Inventors:
NAITO YOSHIYASU (JP)
NISHI TAKESHI (JP)
NITO TAEKO (JP)
TACHIKAWA KOJI (JP)
Application Number:
PCT/JP2015/074032
Publication Date:
March 03, 2016
Filing Date:
August 26, 2015
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08L69/00; B65H75/00; C08K3/00; C08L25/04; C08L33/10; C08L55/02; C08L67/04; C08L71/12; C08L81/06
Foreign References:
JP2008120572A2008-05-29
JPH08217338A1996-08-27
JP2008168999A2008-07-24
JP2004043071A2004-02-12
Other References:
See also references of EP 3187541A4
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