{TAIL ~ Such diester} can be prepared from {HEAD ~ said macromolecular diol} by well known acylation methods using 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 
{ TAIL ~ Such diester } can be prepared from { HEAD ~ said macromolecular diol } by well known acylation methods using 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
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH