4-Methoxyphenol → Urethane acrylate

Participants

Reaction Steps

Next, 0.1 g of urethanation catalyst dibutyl tin dilaurate and 0.1 g of polymerization inhibitor hydroquinone monomethyl ether were added to 200 g of the isocyanurate-modified hexamethylene diisocyanate, and 1.2 mols of the hydroxyalkyl acrylate as shown in Table 5 below was dropwise added thereto over a period of 30 minutes with the reaction liquid temperature being kept at 40° C. After addition, the reaction liquid temperature was elevated up to 60° C., and the reaction was continued until the isocyanate group in the reaction liquid disappeared to obtain urethane acrylate oligomer 6 through urethane acrylate oligomer 9 as shown in Table 5.

Provenance & Evidence