聚乙烯

The material is blended with polyvinyl alcohol and polyvinylidene fluoride , respectively.

我们分别将Nafion材料与聚乙烯醇和聚偏氟乙烯共混，制备了PVA-Nafion和PVDF-Nafion共混膜。

Wynlypj1211 On the other hand, the reporter found that food preservation is divided into polyethylene film by material, polyvinyl chloride, polyvinylidene chloride and other species.

wynlypj1211 另一方面，记者调查发现，食品保鲜膜按材质分为聚乙烯、聚氯乙烯、聚偏二氯乙烯等种类。

Rapid dehydration is the worst.4. Effect of preculture Beads were encapsulated and incubated in culture medium containing 2% PEG and 5% PVP respectively for 90 min before dehydration.

预培养的影响将胶球在分别含有2%聚乙二醇和5%聚乙烯吡咯烷酮的培养基中预培养90min后脱水。

The method is as follows: firstly, premixture is prepared through fusion and composition of the polyvinyl alcohol and the auxiliary agent; secondly, the premixture is fused and mixed with the low density polyethylene and the compatilizer on a double-screw extruder, and the polyvinyl composite material with the moisture absorption function is prepared.

本发明所采用的复合方法具有简便、环保、成本低廉、易于工业化生产等优点；制得聚乙烯基吸湿功能复合材料，具有吸湿功能，可用于制备薄膜，并使薄膜具有较好的吸湿功能，同时保持良好的力学性能。

The research of polymer/layered silicate nanocomposite was introduced detailedly, including the classify, property and the latest research advance. On the basis of consulting the document and the exploratory experiment, the experimental method which first creative preparing poly (acrylonitrile-vinyl acetate)/raontmorillonite nanocomposite by emulsion intercalation copolymerization was established; the structure and property of polyacrylonitrle different molecule weight with inorganic mineral super fine nanocomposite was reseached. The reaction principle of PMMA by photo-initution was explored. The mixture principle with productor condition, property of PE/Clay nanocomposite milt insert was seal prived. By PS/Clay nanocomposite munufacture, the monomer ins-polymerization and polymerial solution was proved.

在查阅文献和探索性实验的基础上，确定采用乳液原位插层聚合方法首先创制了聚/蒙脱土纳米复合材料，利用正交实验得出了最佳实验条件，通过X射线衍射和红外光谱对纳米复合材料的结构进行表征，研究了复合材料的溶解性能，并测定了其溶液的绝对粘度；研究了不同相对分子质量的聚丙烯腈与不同的无机矿物超细粉复合材料的结构与性能；探讨了在蒙脱土中光引发聚甲基丙烯酸甲酯的反应机理；通过聚乙烯与粘土的纳米复合材料制备，探讨了热塑性树脂熔融插层复合机理与最佳工艺条件和复合材料性能关系；通过聚苯乙烯与蒙脱土纳米复合材料制备，验证了单体原位聚合插层和聚合物溶液插层机理。

Jiangsu Tianteng Chemical Industry Co.,Ltd., is one of the key manufacturers in our country for chlorinated Polyethylene. As Jiangsu Star Enterprise, Hi-tech enterprise and Provincially Advanced Nongovernmental Technological Enterprise, our company was certified by ISO9002 quality system in 1998 and ISO9001 quality control system in 2003. We passed the check of clean production in 2007 and got certificates of ISO14001 EMS and GB/T28001O OHS in 2008. Our company owns self-support import and export authority.

江苏天腾化工有限公司，系全国氯化聚乙烯重点生产厂家之一，为江苏省明星企业、江苏省民营科技企业、江苏省高新技术企业，于1998年通过中方委ISO9002质量体系认证，2003年通过中方委ISO9001质量管理体系认证，2007年通过清洁生产审核验收，2008年通过ISO14001环境管理体系认证和GB/T28001职业健康安全管理体系认证，拥有自营进出口权。

A new thermographic material was studied,in which hydrophilic polyvinyl alcohol was used as a binder, nickel stearate was used as a main material and pyrogallic acid was used as a developer.

本文对以水溶性聚乙烯醇为粘合剂，硬脂酸镍(NiSt2)为主要原料，焦性没食子酸为显影剂的一种新型热成像材料的研究。

The dispersion effect of sodium dodecyl benzyl sulfate was better than that of sodium dodecyl sulfate and polyvinyl pyrrolidone.

离子型表面活性剂十二烷基苯磺酸钠优于十二烷基硫酸钠和非离子型表面活性剂聚乙烯吡咯烷酮。

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

与聚乙烯聚吡咯烷酮比较，具有吸附速度快、吸附单宁更强及成本低廉的优点。

About 70 years ago, towards the end of 1938 and at the start of 1939 to be exact, the chemist Walter Reppe, working in a BASF laboratory in Ludwigshafen, used acetylene and pyrrolidone to produce a new monomer called vinylpyrrolidone, which in turn can be transformed into the polymer polyvinylpyrrolidone.

大约70年前，对1938年底和1939年开始的，确切地说，是化学家沃尔特雷佩，在路德维希港的巴斯夫在实验室使用的乙炔和吡咯烷酮产生新的单体，工作称为乙烯基，这反过来又可以转化为聚合物聚乙烯吡咯烷酮。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新