• 综述聚乙烯吡咯烷性质合成方法及其应用

    Ths paper reviews the property, some methods about synthesis and use of polyvinyl pyrrolidone.

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  • 由于这些吡咯烷用于广泛应用使用不同功能

    Due to these varied features PVP can be used for a wide range of applications.

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  • 化学动力学方法预测聚乙烯吡咯烷酮碘贮存期。

    The shelflife of providone-iodine was forecasted by the method of chemical dynamics.

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  • 法制得的聚乙烯基吡咯烷适用药物食品工业

    The PVP obtained can be applied to the pharmaceutical and food industries.

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  • 对比了n甲基2吡咯烷常用电池有机溶剂性能

    A comparison is made of the performances between N-methyl-2-pyrrolidone and commonly-used organic solutions in lithium batteries.

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  • 吡咯烷酸钠认为天然形成的滋润因素(NMF)。

    Sodium PCA is thought to be a kind of natural moisturizing factor (NMF).

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  • 聚乙烯基吡咯烷(pvp),水溶性精细高分子聚合物。

    Polyvinylpyrrolidone (PVP) is a kind of fine polymer obtained by free radical polymerization of N-vinyl pyrrolidone (NVP).

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  • 吡咯烷酮经N基化氨解反应合成了乙拉西坦,收率42.6%。

    Etiracetam was synthesized from 2-pyrrolidone by N-alkylation and aminolysis. The overall yield was 42.6%.

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  • 结论吡咯类化合物对神经氨酸酶有较高抑制活性值得进一步研究

    CONCLUSION Pyrrolidine derivatives exhibited potent neuraminidase inhibitory activities, and is worth of further investigation.

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  • 发明公开了烟草剂,烟草保润剂吡咯羧酸水溶液

    The present invention discloses a kind of tobacco humectant, which is water solution of pyrrolidone carboxylate.

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  • 发明三元:()一乙烯酰胺聚乙烯吡咯烷乙烯基己内酰胺;

    The terpolymers of the invention: (a) a vinyl lactam, such as vinyl pyrrolidone or vinyl caprolactam;

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  • 研究吡咯与甲哌复合有机非水体系中笼形类沸石材料合成规律。

    The synthesis of clathrate compound MTN in a near non-aqueous system containing morpholine was investigated.

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  • 目的合成新型吡咯烷神经氨酸抑制剂测定抑制神经氨酸酶的活性

    OBJECTIVE To synthesize a series of novel pyrrolidine derivatives as neuraminidase inhibitors and test their inhibitory activities against neuraminidase.

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  • 吡咯起始原料进行成盐、缩合氨化试验,考察影响收率的工艺因素。

    The condensation and ammonification tests is proceed by using pyrrolidone as the start material.

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  • 与聚乙烯吡咯比较,具有吸附速度快、吸附单宁更强成本低廉优点

    Compared to the polyvinyl pyrrolidone, the rice hull adsorbent has advantages of fast adsorption, stronger adsorbability for tannin and lower cost.

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  • 实验表明N—甲基吡咯综合传热性能优于,可望作为温热管工质使用。

    This indicates that N-methyl pyrrolidone is superior to naphthalene in comprehensive heat transfer performance and is suitable to be used in moderate-temperature heat pipe.

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  • 结果微晶纤维素交联聚乙烯吡咯烷酮的最佳处方用量分别为40%、10%;

    RESULTS:The optimized formula dosage of microcrystalline cellulose and crospolyvinylpyrrolidone were40%and10%respectively;

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  • 研究聚乙烯吡咯烷酮(PVPP)吸附库拉索芦荟凝胶多酚的条件效果

    The adsorption conditions and effects on poly-phenol in Aloe vera gel with cross linked polyvinyl pyrrolidone (PVPP) was studied in this paper.

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  • 发明涉及化学聚合物制备方法,蛋白质大分子印迹聚乙烯基吡咯烷酮的制备方法。

    The invention relates to a method for preparing chemical polymers, particularly relates to a method for preparing protein macromolecule imprinted periston.

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  • 溶剂AN-甲基吡咯酮的混合物为萃取剂,对催化裂化柴油进行了脱色精制研究。

    Refining method with solvent mixed A with N-methyl pyrrolidone was used to decolor the FCC diesel oil.

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  • 硝酸原料经过改动聚乙烯吡咯pvp质量到达节制纳米构造银地描摹。

    Take hydrogen nitrate silver as raw material, by changing polyethylene azole alkane ketone PVP mass, reaching the appearance controlling the silver nanometer structure shape.

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  • 考察了聚乙烯吡咯酮(pvp)以及冻融处理丹参酮脂质体药物渗漏微粒聚结特性的影响。

    The effects of PVP in formulation and freeze thawing steps on drug leakage and aggregation of tanshinone liposomes were investigated.

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  • 复合纳米纤维中聚乙烯吡咯烷之间存在着化学键合、形成了聚乙烯吡咯-络合物

    In the composite nanofibers, chemical bonding existed between polyvinyl pyrrolidone and iodine to form PVP - I2 complex.

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  • 而冷冻干燥疫苗置入微针模子乙烯吡咯烷单体混合室温紫外光混合物聚合

    Freeze-dried vaccine was mixed with the vinyl-pyrrolidone monomer before being placed into microneedle molds and polymerized at room temperature using ultraviolet light.

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  • 确定制片压力润湿无水乙醇粘合剂聚乙烯吡咯烷酮为影响崩解时间片剂硬度主要影响因素

    The main factors that influence tablet hardness and disintegration time are wetting agent ethanol, agglutinating agent polyvinylpyrrolidone(PVP) and tablet pressure.

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  • 探讨了聚乙烯吡咯烷浓度甲基淀粉用量对法莫替分散片崩解影响不同介质影响。

    Famotidine dispersible tablets were prepared. The influence of PVP concentration, sodium starch glycolate quantity and different medium on disintegration and dissolution rate is discussed.

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  • 结果:优选崩解组成为:交联聚乙烯吡咯烷5%,纤维素40%,低取代羟丙基纤维素15%。

    Results: The composition of the choice breaking agents is 5% of cross-linked polyvinylpyrrolidone, 40% of microcrystalline cellulose and 15% of low-replacing hydroxypropyl cellulose.

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  • 发明同时提供了一种用于针织浸渍PU手套生产工艺溶剂聚氨酯树脂甲基吡咯比例配制

    The invention also provides a solvent for the production process of knitted impregnated PU gloves, which is prepared from polyurethane resin and methyl l pyrrolidone according to a certain proportion.

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  • 聚乙烯吡咯烷酮系列辅料药剂制备尤其粘合分散、薄膜包衣以及控释方面的用途进行了综述。

    The applications of polyvinylpyrrolidone (PVP) in the preparation of pharmaceuticals, especially for adhesion, dispersion, film-coating, and controlled release etc., are summarized.

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  • 聚乙烯吡咯烷酮系列辅料药剂制备尤其粘合分散、薄膜包衣以及控释方面的用途进行了综述。

    The applications of polyvinylpyrrolidone (PVP) in the preparation of pharmaceuticals, especially for adhesion, dispersion, film-coating, and controlled release etc., are summarized.

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