poly-

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

本工作对在重铀铵(ADU)的沉淀反应中加入丙烯(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分离等问题进行了讨论。

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

采用乳液合的方法,以酰烯醇为保胶体合成烯乳液,并用含甲酰胺基的组分与其交联。

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

另外，利用改进的微乳液合制备的甲基丙烯酯类合物一般都有高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剂的种类、性质,较详尽的论述了丙烯酰胺、合铁和合铝高分子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.

以风褐煤为原料制备腐植(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.

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