2.2.3 The literature review describes the use of alkyl acid grafted polyether polyols as components of alcohols to react directly with HEA and various isocyanates. Its representative formula is as follows:
Wherein R-alkyl or aryl; R'-aliphatic or aromatic moiety; R'-C1-C10 alkyl, polyester or polyether; X-hydrogen or alkyl acid; Y-NH or oxygen; ,n,t,q are all positive integers; p is zero or positive integer.
2.2.4 Using dihydroxy tertiary amines or aromatic amines with carboxyl groups as one of the components is reacted with isocyanate, and the product is then capped with hydroxyalkyl acrylates. The main constituent of the water-soluble part is as follows:
2.3 Water-Based Epoxy Acrylate Prepolymers Using the hydroxyl groups in epoxy acrylate resins to react with maleic anhydride to introduce carboxyl groups:
(to be continued)
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