| 摘要 |
PROBLEM TO BE SOLVED: To provide an improved starting material suitable for manufacture of a scratch-resistant coating, in particular, a transparent coating material having high glossiness and scratch resistance.SOLUTION: There is provided an addition product of a low molecular weight from an isocyanate alkyl-trialkoxy silane and the diol or polyol branched with aliphatic series, and preferably, there is provided the addition product which is in a liquid at a temperature above 0°C. |
