| 摘要 |
<p>A polythioether has formula: R1-[-R2-S—CH(CH¿3?)—S-]n-R?2—R1¿, wherein R1 denotes a thiol group, a hydroxyl group, an unsubstituted amine group, a monoalkyl-substituted amine group, a monovalent radical substituted with at least one hydroxyl group, unsubstituted amine group or monoalkyl-substituted amine group, or a group that is non-reactive in the presence of an acid catalyst, R2 denotes a divalent radical, and n is an integer from 1 to 60. The polythioether is a liquid at room temperature and pressure.</p> |
