| 摘要 |
<p>Polymerisable oligocarbonate diacrylates (I) CH2=CXCOORO COOR'OCOOR"O COOR'OCOORCO(X)-C=CH2 (X is H, CH3, halogen, CN; R is a glycol or bisphenol radical, R' is a glycol, bisphenol or polyol radical; R" if present, is glycol, bisphenol, oligoether or -ester radical; n is at least one) are prepared by reacting 2.2 mole alkylene glycol monoacrylates with 1 mole glycol or bisphenol- chloroformates or oligomers with chloroformate end-groups, in an organic solvent at -15 degrees +80 degrees C in the presence of organic bases.</p> |
