求翻译：PEG400与TDI在60℃下反应约2h；二羟甲基丙酸(DMPA)与TDI在75℃下反应约1.5h；丙烯酸羟乙酯（HEA）与TDI在80℃下反应约1.5h；游离异氰酸根的含量小于0.5％，反应完成。是什么意思？

peg400 and tdi 60 ℃ for about 2h; dimethylol propionic acid (dmpa) tdi 75 ℃, reaction about 1.5h; hydroxyethyl methacrylate (hea) and tdi at 80 ℃, reaction about 1.5h; tour divorced NCO content of less than 0.5%, the reaction is completed.

With 400 PEG TDI C in the reaction 60° about 2 H; 2 navigational methyl propionic acid (DMPA TDI) and in the reaction 75° C approximately 1.5 H; Psilocin ethyl acrylate (HEA TDI) and at 80 °C the response about 1.5 H; separation of the polyisocyanate crosslinkers root Content of less than 0.5 per ce

PEG400 and TDI in 60℃ under instead on invitation 2h; Two methylol propionic acid (DMPA) and TDI in 75℃ under instead on invitation 1.5h; Acrylic acid hydroxy ethyl ester (HEA) and TDI in 80℃ under instead on invitation 1.5h; The dissociation isocyanogen acid radical content is smaller than 0.5%, re

PEG400 react with TDI in under 60 ° c to about 2H; two hydroxy methyl acrylic acid (DMPA) reacts with TDI 75 ℃ 1.5h; hydroxyethyl acrylate ester (HEA) reacts with TDI 80 ℃ 1.5h; tour divorced thiocyanate content is less than 0.5%, reaction is complete.

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