The size of the poly glycol particulate can be measured by settling method, and it is about 10-150 micrometer and conform the actually situation.

• 实验中利用重力沉降法能很好的测定出聚乙二醇析出颗粒的大小，测定出的聚合醇析出的颗粒大小在10-150微米之间，符合实际情况。