1.A raw rubber for millable polyether polyurethane elastomer was prepared.

1.研制一种聚醚聚氨酯生胶。

2.The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.

2.研究以2（3H）-苯并唑酮为端基、具有构非环多醚化合物质谱。