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The approach removes or alters the surface layer of textile components using oxygen radicals generated under reduced pressure (0.1–10 torr) and high-frequency waves. Detailed explanation contrasts prior art softening or weight-reduction methods, which may cause wetness, poor laundering, high energy costs, complex control, or wastewater treatment issues. The invention aims to achieve a weight-reduction-like softness without water or alkali, and to improve blends without damaging either component.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/method-for-improving-fabric-hand-tokuju-goto-action/324047/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/method-for-improving-fabric-hand-tokuju-goto-action/324047.png","ImageObject",300,407,{"name":92,"@type":93},"Noah","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-21",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",13,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What is the core method for improving fabric hand in this document?","Question",{"text":113,"@type":114},"It treats textile fabrics with low-temperature oxygen plasma to eliminate or modify the surface layer, using oxygen radicals to soften the fabric while retaining high bulk.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What conditions are specified for generating the low-temperature oxygen plasma?",{"text":118,"@type":114},"Oxygen (or a mixture of oxygen with other gases) is irradiated under reduced pressure of 0.1–10 torr with high-frequency waves to generate low-temperature oxygen plasma.",{"name":120,"@type":111,"acceptedAnswer":121},"How does the invention address limitations of prior softening and weight-reduction approaches?",{"text":122,"@type":114},"It avoids using water or alkali, targeting the same softness effect while reducing issues such as wetness, poor laundering, high energy costs, laborious control, and wastewater treatment problems—especially for fabric blends.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},324047,1790399503,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":140,"language":141,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":67,"update_tm":145,"read_time":146,"preview_page_count":4},8796095462418,"https://ap-avatar.wpscdn.com/avatar/80000253c1241d02b47?x-image-process=image/resize,m_fixed,w_180,h_180&k=1778826106357471780","Goto,Tokuju  \nMethod for improving fabric hand /byTokuju Goto and Itsuo Tanaka.12 p.  \nPatent(Japanese)No.58-87366(1983).Filed:TRANSLATION NO.4640.  \npanese Kokai Patent No.Sho 58[1983]-87366  \n\n| anslated from    | Japanese_by the    | Ralph    | McElroy    | Co.,   | Custom    | Division   |\n| --- | --- | --- | --- | --- | --- | --- |\n| 0.Box 4828,   | Austin,Texas    | 78765   |  USA   |  |  |  |\n\nInt.c1.3:  \nInventors:  \nApplicant:  \nlaims  \n# JAPANESE PATENT OFFICEPATENT JOURNAL\n\nKOKAI PATENT NO.:  Sho 58[1983]-87366  \nD 06 M 10/00Sequence Nos.for Office Use:7199-4LApplication No.:Sho 56[1981]-186638Application Date:November 19,1981Publication Date:May 25,1983  \n# METHOD FOR IMPROVING FABRIC HAND\n\nTokuju Goto6 NarukawamachiNara-Shi,JapanItsuo Tanaka  \n3-16-335 Tamagawa 2-ChomeFukushima-Ku,Osaka,JapanUnichika K.K.  \n50 Higashi Honmachi 1-ChomeAmagasaki-Shi,Japan  \n(1)A method for improving fabric hand,as characterized byreating textile fabrics with low-temperature plasma of oxygeno eliminate the surface layer of the textile components of saidabrics.  \n(2)  The method for improving fabric hand described in Claim 1,wherein said low-temperature plasma of oxygen is low-temperatureoxygen plasma generated by irradiating oxygen or a mixture of oxygenand other gases,under a reduced pressure of 0.1-10 torr,withhigh-frequency waves.  \n# Detailed explanation of the invention\n\nThis invention relates to a method for improving fabric hand.  \nMore particularly,this invention relates to a method ofetching the surface the textile which forms the fabric with oxygenradicals which have been created by activating low-temperature  \nplasma of oxygen so as to soften the hand of fabrics while retainingits high bulk.  \nKnown in the prior art for improving fabric hand and particu-larly for softening the hand of the fabric is a method wherebý asoftening agent is applied to the surface of textile fibers toreduce the friction among fibers and thus impart softness to thefabrics.  \nAlthough this is a convenient and very effective method,itmay cause \"wetness\"to the fabrics or create problems such aspoor launderability.  \nAnother prior known method has been the practice of softeningthe fabric hand by treating the fabric to reduce its weight.  \nFor example,refinement of silk fabrics by treatment withSerizyme or etching treatment of the surface of the textile fiberswith a strong alkali solution in the case of fabrics made ofpolyester fibers are known in the prior art.  \nDigitized by the Internet Archivein 2016  \nhttps://archive.org/details/methodforimprovi00goto  \nThese methods are essential for acquiring the characteristichand of silky fabrics,and they are also an effective way to acquirea silk-like texture for polyester fabrics.  Since,however,thismethod employs a strong alkali solution under heated conditions,the energy cost is high.  In addition,it requires laborious processcontrol procedures,and also has other problems such as the problemof wastewater treatment.  \nWith the above method,it is possible to perform a weight-reducing treatment on fabrics made entirely of silk or polyesterfibers.  However,if the fabrics are blends of silk or polyesterwith other fibers,such as,for example,regular polyester fibers(polyethylene terephthalate fibers)and cationically dyeable poly-ester fibers (polyester terephthalate/sulfonate isophthalatecopolymer fibers),or polyester fibers and wool,differences inalkali resistance may create a problem.  Thus,the fiber that,isless resistant to alkali will be damaged first.  Therefore,it ispractically impossible to use this weight-reduction treatment methodto improve fabric hand.  \nThe present invention was conceived in view of the abovecurrent situation.  The object of this invention is to achievethe same effect in fabric hand improvement as by the conventionallypracticed weight-reduction treatment,by treating the fabrics withgas under specified conditions without resorting to the use ofwater or an alkali.Another object of this i","cbCaiuAGXyXr2jDy","https://ap.wps.com/l/cbCaiuAGXyXr2jDy","pdf",994365,36,"English","# METHOD FOR IMPROVING FABRIC HAND\n## Claims\n## Detailed explanation of the invention\n## Prior art and problems\n## Objects and characteristics","[{\"question\":\"What is the core method for improving fabric hand in this document?\",\"answer\":\"It treats textile fabrics with low-temperature oxygen plasma to eliminate or modify the surface layer, using oxygen radicals to soften the fabric while retaining high bulk.\"},{\"question\":\"What conditions are specified for generating the low-temperature oxygen plasma?\",\"answer\":\"Oxygen (or a mixture of oxygen with other gases) is irradiated under reduced pressure of 0.1–10 torr with high-frequency waves to generate low-temperature oxygen plasma.\"},{\"question\":\"How does the invention address limitations of prior softening and weight-reduction approaches?\",\"answer\":\"It avoids using water or alkali, targeting the same softness effect while reducing issues such as wetness, poor laundering, high energy costs, laborious control, and wastewater treatment problems—especially for fabric blends.\"}]","METHOD FOR IMPROVING FABRIC HAND - Tokuju Goto - Action | PDF",1789966895,91]