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- This paper introduces modification of poly vinyl acetate by copolymerization and the application state of the modified products. 文章介绍了聚醋酸乙烯酯共聚改性研究及改性产品应用进展情况。
- 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护胶体合成聚醋酸乙烯乳液,并用含甲酰胺基的乙组分与其交联。
- Keywords telomerization;poly（vinyl acetate）;atom transfer radical polymerization;polystyrene;star-shaped polymer; 调聚反应;聚醋酸乙烯酯;原子转移自由基聚合;聚苯乙烯;星形聚合物;
- Keywords Cellulose acetate;poly（vinyl acetate）;degree of hydrolyzation;membrane;pervaporation;compatibility;benzene/cyclohexane;MeOH/MTBE; 聚醋酸乙烯酯;水解度;渗透汽化膜;共混物相容性;苯;环己烷;甲基特丁基醚;甲醇;
- Keywords vinyl acetate;poly（vinyl acetate）;iodic-end-group poly（vinyl acetate）;iodine;degenerative transfer radical polymerization;chain transfer agent; 醋酸乙烯酯;聚醋酸乙烯酯;碘端基的聚醋酸乙烯酯;碘;衰减链转移自由基聚合;链转移剂;
- poly vinyl acetate 聚醋酸乙烯酯
- Keywords fire retardant coating;intumescent;poly （vinyl acetate acrylate） emulsion;polyacrylic emulsion;poly （styrene acrylate） emulsion;poly （vinyl chloride vinylidene chloride） emulsion; 防火涂料;膨胀;乙丙乳液;纯丙乳液;苯丙乳液;氯偏乳液;
- Poly(vinyl acetate) with low polymerization degree had been prepared through radical polymerization using AIBN as initiator in methol solution. 以甲醇为溶剂,偶氮二异丁腈(AIBN)为引发剂,采用自由基聚合方法合成了低聚合度聚醋酸乙烯酯,并对其结构进行了表征。
- For the sample with poly(vinyl acetate) based LPAs, the morphology exists two transition points with the increase of LPA concentration. 分子量较低的LPA若要达到较好的收缩控制效果则需要较高的浓度。
- In this paper, a adhesive for wood splice was synthesized with poly (vinyl acetate) emulsion and the adduct of tolyl diiscocyanate and trimethylol propane. 研究了甲苯二异氰酸酯-三羟甲基丙烷加成物及其用量对聚醋酸乙烯乳液拼板胶粘合性能的影响。
- The experimental results show that the influence of temperature on morphology of cured sample was smal 1 for poly(vinyl acetate) based LPAs but large for polystyrene basedLPA. 而在这个范围之外，LPA的作用仅相当于填料，不能起到收缩控制。
- New methods of emulsion polymerization including seeding emulsion polymerization and microemulsion polymerization extended prospects in poly (vinyl acetate) emulsion. 种子乳液聚合和微乳液聚合等新型方法的发展应用也为聚醋酸乙烯酯乳液提供了新的方向。
- Modification of the poly (vinyl acetate) emulsion by modification of principle components such as initiator, emulsifier and stabilizer were commonly adopted to improve the properties of the emulsion. 对乳液聚合体系的组分如引发剂、乳化剂和保护胶体等进行改性是提高聚醋酸乙烯酯乳液性能的常用方法。
- The effect of vinyl acetate(VAc) polymerization of acrylamide(Am) was studied. 探讨了醋酸乙烯酯在丙烯酰胺聚合反应中的影响。
- The water soluble film forming material includes poly vinyl alcohol, polyvinyl pyrrolidone, sodium alginate, hydroxy propyl cellulose, hydroxy propyl methyl cellulose etc. 水溶性成膜材料包括：聚乙烯醇、聚乙烯吡咯烷酮、海藻酸钠、羟丙基纤维素、羟丙基甲基纤维素等。
- It is concluded that PAM and EC could be used as protective colloid in the emulsion polymerization of vinyl acetate. 实验结果显示,聚丙烯酰胺、乙基纤维素可以作为醋酸乙烯乳液聚合的保护胶体。
- The hydrophilic modification of polypropylene non-woven fabric (NWF) surface was conducted by coating PVA (poly vinyl alcohol) film on the NWF surface via dip-coating method. 采用表面涂覆法,将聚乙烯醇(PVA)薄膜固定在聚丙烯无纺布表面,进行表面亲水改性。
- The emulsion polymerization of vinyl acetate with PAM, CMC and EC in place of PVA as protective colloid were studied. 本文尝试用聚丙烯酰胺、羧甲基纤维素及乙基纤维素代替聚乙烯醇作醋酸乙烯乳液聚合的保护胶体。
- Large quantities of spheric silver colloidal particles,which were protected by poly vinyl pyrrolidone(PVP),can be converted into flake silver powders using photoinduced method. 将银溶胶用适当的保护剂保护后,置于一定波长的可见光下进行辐照可以得到纳米级片状银粉。
- The formulations for nitrile rubber sealing material modified with pasted poly vinyl chloride resin by grafting process at high temperature were designed. 设计采用高温接枝工艺制备聚氯乙烯糊状树脂改性丁腈橡胶密封材料的配方,考察聚氯乙烯添加量对材料性能的影响。
