poly-

Adding poly acrylic acid(PAA)in the preparation of ammonium diuranate (ADU)was investigated.

本工作对在重铀酸铵(ADU)的沉淀反应中加入聚丙烯酸(PAA)的工艺进行试验研究。

The free radical polymerization of VOZO in benzene solution results poly 2 vinyl 2 oxazoline(PVOZO).

对合成过程中的溶剂及问题进行了讨论。

Using the method of latex polymerization,poly vinyl acetate was synhesized with PVA as protective colloid,which was crosslinked with formylamine-group containing component.

采用乳液聚合的方法,以乙酰化聚乙烯醇为保胶体合成聚醋酸乙烯乳液,并用含甲酰胺基的乙组与其交联。

We found that the poly methacrylates prepared by modified microemulsion polymerization have properties of high glass transition temperature (Tg) and rich syndiotacticity.

，用改进的微乳液聚合制备的聚甲基丙烯酸酯类聚合物一般都有高Tg与富间规度的性质。

The author outlines the type, characteristics of coagulant popularly used; especialy discusses the application conditions and extents of polyacrylamide, polyiron sulfate and poly alum.

介绍了目前应用的凝聚剂的种类、性质,较详尽的论述了聚丙烯酰胺、聚合铁和聚合铝高子化合物的使用条件和应用范围。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植酸(HA),将HA与普通型保水剂(PSA)复合,获得HA型保水剂(HA-PSA)。

This paper introduces the preparing method, the structure, the properties and applications of poly (trimethylene terephthalate) (PTT), and it compared with PET, PBT et al. engineering plastics.

本文介绍了聚对苯二甲酸丙二醇酯(PTT)的制法、结构、性能及应用,并和PET、PBT工程塑料进行了比较。