PolymerDegradationandStabilityMs.Ref.No.:PDST-D-13-00730entitled“XXXXXXXXXXXXXXXXXXXXXX”DearEditor,Thankyouforyourusefulcommentsandsuggestionsonthelanguageandstructureofourmanuscript.Wehaverevisedthemanuscriptaccordingly,anddetailedcorrectionsarelistedbelowpointbypoint:1)Initscurrentstate,thelevelofEnglishthroughoutyourmanuscriptdoesnotmeetthejournal'srequiredstandard.Thereareanumberofgrammaticalerrorsandinstancesofbadlyworded/constructedsentences.Pleasecheckthemanuscriptandrefinethelanguagecarefully.√WehaverevisedtheWHOLEmanuscriptcarefullyandtriedtoavoidanygrammarorsyntaxerror.Inaddition,wehaveaskedseveralprofessorswhoareskilledauthorsofEnglishlanguagepaperstochecktheEnglish.Webelievethatthelanguageisnowacceptableforthereviewprocess.2)Pagesshouldbenumberedconsecutively.√Thepagenumbershavebeenmarkedintherevisedmanuscript.Themanuscripthasbeenresubmittedtoyourjournal.Ifthereareanyproblemsorquestionsaboutourpaper,pleasedonothesitatetoletusknow.Thankyouverymuchforyourattentiontoourpaper.Sincerelyyours,XXXXCollegeofChemistryXXXX