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