The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Study on the technology of preparation of PF and its promoters
Author(s): 
Pages: 39-43
Year: Issue:  3
Journal: JOURNAL OF NANJING UNIVERSITY OF TECHNOLOGY(NATURAL SCIENCE EDITION)

Keyword:  多聚甲醛浓甲醛制备助剂聚合;
Abstract: 筛选了合成多聚甲醛的助剂,在模拟工业生产的反应装置中考察了PF合成中助剂对甲醛聚合反应速率、产品收率及其性能的影响实验结果表明采用二胺A作助剂,在92℃、加入质量分数0.04%的条件下,反应150min制得的多聚甲醛产品,醛的质量分数高达96%以上,聚合度12左右,水溶性好,久置稳定,无不溶物,无灰份,燃烧无残渣.
Related Articles
No related articles found