ブックタイトル高分子　POLYMERS　62巻12月号

概要

高分子　POLYMERS　62巻12月号

Digest for English ReadersDigest for English Readers 722Development of Polyglycolic Acid as Unique andAdvanced Eco Material that will ReduceEnvironmental Impact and Find Application forShale Gas Drilling Technology729Hot Topics in Polymer Science in SPSJ 725COVER STORYFantastic Gifts of Polymer ?the Second Season?On last December, the Christmas gifts were given to oursociety members from the cooperating companies as oneof“Soft Projects of KOBUNSHI”on the occasion ofthe 60th anniversary of the Society of Polymer Science,Japan. This first event had been extremely well receivedby the gift winners. Therefore, the editorial membersdelightfully planned the sophisticated project againin this issue. We would be very happy if this projectcould be helpful again to give our society members anew interest in polymers. In addition, we would like toexpress a sincere gratitude to the cooperating companiesfor their thoughtful gifts. Please don’t miss a chance towin.Editors: SERIZAWA, NAGASAKI, NISHIHARA, and H.YOSHIDASupporter: FURUKAWACommentaryCreate a Boom 726Arimitsu USUKIDoctor of EngineeringTOYOTA CENTRAL R&D LABS., INC.Senior Fellowwww.tytlabs.co.jp/Hiroyuki SATODoctor of EngineeringKUREHA CORPORATION, PGA ResearchLaboratoriesGeneral Managersato-hiroyuki@kureha.co.jpwww.kureha.co.jpWe have established the world’s first industrial scaleproduction technology of high molecular weightpolyglycolic acid (PGA). The technology employs the ringopeningpolymerization process of glycolide (GL). However,traditional GL synthesis by bulk depolymerization ofglycolic acid oligomer has shown industrial limitation. Ourinnovation, which utilizes a new solvent for GL synthesis,resolves past yield and purity deficiencies allowing ascalable production method.Furthermore, in the production of high molecular weightPGA, the sequential melt-solid polymerization methodof very high purity GL was invented. This method wassuitable for the production of a well defined polymer.Besides well known PGA as biodegradable polymeruses for sutures and medical devices, several new valueaddedindustrial applications have been identified thatexploit the very high mechanical strength, gas barrier,and degradation properties. PGA, as unique and advancedeco material, will reduce environmental impact and findapplications for shale gas drilling technology.Keywords: Polyglycolic Acid (PGA) / Glycolide (GL) /Depolymerizaation / Ring-Opening Polymerization /Mechanical Strength / Gas Barrier / Bio-Degaradable /Shale GasCOVER STORY: Topics and ProductsStory Behind the Development of the Best Seller 727Lunch Box with GELHiroyuki TSUKESHIBAGEL-Design Inc.Executive Manabgemant Directortsuke@gel-design.co.jphttp://gel-design.co.jpPolymer Materials as Support for Daily Life 731Ikuko TOKIProfessional Engineer(P.E.Jp: Chemistry, Polymer Products)LION Corporation, Corporation CommunicationCenterResearch Manageritoki@lion.co.jpwww.lion.co.jp/The lunch box named“GEL-COOL”, which has a refrigentinside the lid made of“GEL”, is the best selling lunch boxin Japanese famous department stores in summer time.It has been sold over 600,000 since 2006. This is the firstproduct of GEL-Design Inc., which is one of the venturecompanies of Hokkaido Univ.Keywords: GEL / Lunch Box / Refrigent / VentureCompany / Hokkaido Univ. / The Best SellerThis is a Season’s Greeting and Christmas Present for you.Keywords: Tooth Brush / Tooth Paste / LaundryDetergent / Polyacetal / Daily Commodity722 c2013 The Society of Polymer Science, Japan高分子62巻12月号（2013年）