Such diester can be prepared from said macromolecular diol by {HEAD ~ well known acylation methods} using {TAIL ~ reactive functional derivatives} of suitable acids, e.g. chlorides of acrylic or methacrylic acid, or of monoalkylesters of maleic, fumaric or itaconic acid, or the anhydride of maleic or itaconic acid 
Such diester can be prepared from said macromolecular diol by { HEAD ~ well known acylation methods } using { TAIL ~ reactive functional derivatives } of suitable acids , e.g. chlorides of acrylic or methacrylic acid , or of monoalkylesters of maleic , fumaric or itaconic acid , or the anhydride of maleic or itaconic acid
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH