src: Beispiele sind: Homo- und copolymere Acrylate und Methacrylate, z. B. Copolymere aus Methylmethacrylat/Äthylacrylat/Methacrylsäure, Poly(methacrylsäurealkylester), Poly(acrylsäurealkylester), wobei Akyl = C 1 -C 20 ist, Celluloseester und -äther wie Celluloseacetat, Celluloseacetatbutyrat, Methylcellulose, Äthylcellulose, Polyvinylbutyral, Polyvinylformal, cyclisierter Kautschuk, Polyäther wie Polyäthylenoxid, Polypropylenoxid, Polytetrahydrofuran;
tgt: Examples are: homopolymers and copolymers of acrylates and methacrylates, e.g. copolymers of methylmethacrylate/ethyl acrylate/methacrylic acid, poly(alkylmethacrylates), poly(alkylacrylates), where alkyl=C1 -C20, cellulose esters and ethers, e.g. cellulose acetate, cellulose acetate butyrate, methyl cellulose, ethyl cellulose, polyvinyl butyral, polyvinyl formal, cyclised rubber, polyethers such as polyethylene oxide, polypropylene oxide, polytetrahydrofuran; polystyrene, polycarbonate, polyurethane, chlorinated polyolefins, polyvinyl chloride, copolymers of vinyl chloride/vinylidene chloride.