公开(公告)号：WO9211190A3

公开(公告)日：1992-08-20

申请号：PCT/US9109726

申请日：1991-12-20

Applicant: MINNESOTA MINING & MFG

Inventor： MARECKI PAUL A

IPC: B65D83/16 ,  A61K9/00 ,  B65D83/14 ,  B65D83/28 ,  B65D83/42 ,  B65D83/58 ,  C08L23/00 ,  C09K3/10 ,  F16J3/02

CPC classification number: B65D83/14 ,  A61K9/008 ,  B65D83/54 ,  C09K3/10 ,  C09K2200/0617 ,  C09K2200/062

Abstract: A device for delivering an aerosol, comprising: a casing member (14), a valve stem (12), and a diaphragm (16), wherein the diaphragm comprises a thermoplastic elastomer comprising an ethylene/1-butene copolymer. Also disclosed are sealing members comprising such an elastomer and thermoplastic polymer blends, e.g., for use in sealing members of the invention. The devices of the invention are particularly useful with formulations containing 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoropropane as the propellant.