poly

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

本工作对在重铀(ADU)沉淀反应中加入聚丙烯(PAA)工艺行试验研究。

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

对成过程中溶剂及分离等问题行了讨论。

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

采用乳液聚方法,以乙酰化聚乙烯醇为保护胶体成聚醋乙烯乳液,并用含甲酰胺基乙组分与其交联。

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

另外，利用改乳液聚制备聚甲基丙烯酯类聚物一般都有高Tg与富间规度性质。

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

介绍了目前应用凝聚剂种类、性质,较详尽论述了聚丙烯酰胺、聚铁和聚铝高分子化物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(HA),将HA与普通型保水剂(PSA)复,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丙二醇酯(PTT)制法、结构、性能及应用,并和PET、PBT等工程塑料行了比较。