Adhesiveshavebeenatechnologicallyimportantapplicationofpolymersforthousandsofyears.Manyoftheearlynaturaladhesivesarestillused.Theseincludestarchandprotein-basedformulationssuchashydrolyzedcollagenfromanimalhides,hooves,andbonesandcaseinfrommilk.Asnewadhes (共 12395 字) [阅读本文] >>