PVA

At present, polyvinyl alcohol ( PVA ), polyacrylic and starch size are three main sizes in the sizing market.

目前, PVA 浆料 、 丙烯酸浆料、淀粉浆料是浆料市场的三大类主流浆料.

And now the whole world is increasing the awareness of environmental protection and building a pattern of sustainable economy. Under this condition, PVA was abandoned in many countries, especially in developed countries.

随着人类环境保护意识增强、发展经济可持续化情况下，PVA浆料在很多国家被禁止使用，国内已出现了少用、不用PVA浆料的观点。

Through controls the reaction conditions, the high degree PVA with different range of degree is obtained.

通过反应条件的控制, 可制得不同聚合度范围的高相对分子质量的聚乙烯醇.

The methods for reducing the sizing cost of common fabric are introduced. The sizing process for sizing on the T/ C13/ 13 346/ 252 160 fine plain by replacing the PVA in a large scale with oxidized starch.

本文介绍了降低普通织物的上浆成本的方法，探讨了用氧化淀粉大比例取代PVA对T/C13/13346/252160细布进行上浆的浆纱工艺。

After fixing, the cell remains activity, and PVA-calcium alginate ball is quite substantial and durable.

细胞经固定后仍保持活力, PVA一藻酸钙盐珠非常结实耐用.

Good compatibility between PVA and starch was observed by scanning electron microscopy.

扫描电镜测试证实了PVA与 淀粉具有良好的相容性.

Application of water soluable polymers, such as PVA, PEG and PVP, acting as dispersion agents, complex transformation agents and templates in the preparation of nanoparticles with liquid phase method was reviewed.

综述了水溶性高分子材料如PVA、PEG和PVP等在液相法制备纳米粉体中作为分散剂、络合转化剂和模板剂的应用研究概况。

PVA film fixed cell is a new cell fixing method.

PVA膜状固定细胞是一种新细胞固定化方法.

Mix some PVA glue with a little splash of water.

用一点水混合PVA胶水.

To develop new process technology and produce applied PVA film is an international issue.

开发新的生产工艺、制备性能广泛的PVA薄膜 是目前国内外共同的目标.

The microbial and oxidative degradations of PVA were studied using the permeation chromatography ( GPC ) and UV-spectrophotometer.

采用凝胶色谱法 ( GPC ) 和紫外分光光度法(UV)研究了聚乙烯醇(PVA)微生物降解和化学氧化降解效果.

Why is PVA soluble in water?

为什么PVA在水中是可溶的?

PVA coated gloves for solvent resistance were obtained through dip coating.

用浸渍涂膜技术成功制备了一种耐有机溶剂的PVA涂 膜手套.

The feasibility of the application of polyvinyl alcohol ( PVA ) to printed wiring board was studied.

研究了PVA在电路板印刷的应用可行性.

Experiments of double-enzyme degradation, microorganism eroding and soil bury indicate that film of methyl corn starch/ PVA blends film is a kind of biodegradable material.

通过双酶降解试验、微生物侵蚀试验以及土壤实际掩埋试验，表明甲基玉米淀粉／PVA薄膜为可生物降解材料。

Modification of PVA and blown film technique for it were studied.

研究了聚乙烯醇(PVA)改性及吹膜技术.

Thermal aging mechanism of PVA

聚乙烯醇的热老化机理研究

PVA modification enhances mechanical performance of NWF, tensile strength and tear resistance are increased by25.0% and21.6% respectively.

PVA改性增强了无纺布的力学性能，拉伸强度和撕裂强度分别提高了25.0%和21.6%。

Flexural strength under four-point bending has been determined on samples made of fine mortar containing 0,0.75%, and 1.5% of PVA fibers. The flexural toughness index according to ASTM method and the coefficient of the flexural toughness based on JCI method have been evaluated.

通过四点弯曲试验研究了PVA纤维体积掺量分别为0、0.75%、1.5%的抗折强度，按照ASTM方法确定了SHCC的弯曲韧度指数，通过JCI方法得到了SHCC的弯曲韧性系数。

It was studied that the performance of polyvinyl alcohol ( PVA ) fibers in this paper.

该文通过对聚乙烯醇 ( PVA ) 纤维改性改善成纸的性能作了研究.

The starch-based biodegradable plastic film was made arch and polyvinyl alcohol ( PVA ) in this paper.

本文以淀粉和聚乙烯醇 ( PVA ) 为主要原料,制备了淀粉基生物降解性塑料薄膜.

To achieve less use or no use of PVA, a new kind of SQ1 Size Agent was created and practiced in production of polyester cotton blended yarn.

为少用、不用PVA，制备了一种新型浆料&SQ-1浆料，并对涤棉混纺品种应用SQ-1浆料进行了上浆实践。

According to pVA and polymer emulsion mix with antisolvent and water resistance.

根据pVA和高分子乳剂的配合比,具有抗溶剂性、抗水性.

A type casting adhesive based on PVA as mian material has been prepared by chemical modification.

以聚乙烯醇为主要原料,采用化学改性的方法成功制备了A型铸造粘合剂.

In this study , high-amylose corn starch and PVA were used as experimental materials.

以高直链玉米淀粉和PVA为原料,共混制备塑料薄膜.

The strength of water glass-PVA system silica gel is better and its cost is the lowest.

水玻璃-PVA体系的硅胶柱硬度较好且成本最低.

The cross-linking reaction of polyvinyl alcohol ( PVA ) adhesive was studied by adding diisocyanate ( TDI ).

本文研究甲苯二异氰酸酯 ( TDI ) 与聚乙烯醇(PVA ) 胶水的交联反应.

Custom size for above PVA Sponge Wiperblock can be arranged with reasonable order quantity.

如订量合理,以上聚乙烯醇海绵产品均可按客供尺寸订做.

Mixed bacteria could degrade poly ( vinyl alcohol ) ( PVA ) completely and produce extracellular PVA-degrading enzyme.

混合菌能完全降解 PVA,并产生胞外PVA降解酶.

Nowadays, starch, PVA and acrylic size are the three kinds of sizes in textile industry.

因此淀粉 、 PVA与 丙烯酸类浆料一起并称为“纺织三大浆料”.