In the experiment, di-isocyanate, polyether diol and a hydrophilicchain-extender were used to synthesize aqueous urethane.
实验采用二异氰酸酯与聚醚二元醇、亲水扩链剂反应合成水性聚氨酯。
2
Some parts of a protein chain like to interact with water (hydrophilic), while others are oily and want to get out of water (hydrophobic).
蛋白质链的某些基团倾向于和水结合（亲水性），但其他油性基团则倾向于逃离水（疏水性）。
3
The effects of straight chain alcohols with different chain length, C8 alcohol isomers, structures of hydrophilic group and kinds of catalyst on the permeability were examined.