图生 国上生 Transdermal delivery. ©Types of TDDS(patch) ·Drug in adhesive ·Patches Acheste layer 月eehe Sner ·Drug in matrix ·Drug in reservior 国生一 Materials in TDDS preparation Materials in TDDS preparation Membrane and matrix polymer Membrane and matrix polymer .Ethylene vinylacetate copolymer(EVA) .Pressure sensitive adhesives,PSA Polyvinyl chloride(PVC) .Backing laminate ·Polypropylene(Pp) ·Release liner ·Polyethylene(PE) ·Reservoir material polydiethyl phthalate(PET) ④建.Materils in TDDS preparation 圈ft达Materials in TDDS preparation ©Pressure sensitive adhesives,PSA压敏胶 圈Backing laminate Polyisobutylene(PIB) .Polyethylene,aluminum foil etc. ·Polyacrylate ®Release liner .polyethylene,polypropylene,polystyrene ·Silicone ®Reservoir material ·Carbomer,.HPMC,PVA 77 Shanghai Jiao Tong University Transdermal delivery . • Patches Shanghai Jiao Tong University Types of TDDS (patch) • Drug in adhesive • Drug in matrix • Drug in reservior Shanghai Jiao Tong University Materials in TDDS preparation • Membrane and matrix polymer • Pressure sensitive adhesives, PSA • Backing laminate • Release liner • Reservoir material Shanghai Jiao Tong University Materials in TDDS preparation Membrane and matrix polymer • Ethylene vinylacetate copolymer (EVA） • Polyvinyl chloride (PVC） • Polypropylene (PP） • Polyethylene (PE) • polydiethyl phthalate (PET） Shanghai Jiao Tong University Materials in TDDS preparation Pressure sensitive adhesives, PSA压敏胶 • Polyisobutylene (PIB) • Polyacrylate • Silicone Shanghai Jiao Tong University Backing laminate • Polyethylene, aluminum foil etc. Release liner • polyethylene, polypropylene, polystyrene Reservoir material • Carbomer, HPMC, PVA Materials in TDDS preparation