| 摘要 |
An amorphous amide compound of the formula;;wherein R is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, an arylalkyl group, and combinations thereof. An amorphous diamide compound of the formula;;wherein R1 is selected from the group consisting of an alkylene group, an arylene group, an alkylarylene group, an arylalkylene group, and combinations thereof. |
