耐水性

测试结果表明，水性聚氨酯经纳米二氧化硅click改性后，其热稳定性、耐水性、耐候性、硬度等性能得到改善。

The properties of click modified WPUs such as thermal stability , water resistance , weather resistance and hardness of WPUs were improved .

EVA的特点：耐水性：密闭泡孔结构、不吸水、防潮、耐水性能良好。

EVA features : Water resistance : closed cell structure , non-absorbent , moisture-proof , water resistance is good .

通过共混改性和溶剂优选，制备了耐水性优良、耐油性好的PS型胶粘剂。

PS adhesive with good water-resistance and cold resistance was prepared by blending and solvent optimization .

重点介绍了树皮的主要成分单宁改性淀粉PU的耐水性、抗菌性和热稳定性。

Briefly the water resistance , anti-bacterial action , thermal stability of PU made from tannin were discussed .

MDF水泥耐水性研究

Study on Water Resistant Performance of Macro-Defect-Free Cement Composites

增塑PVA中加入适量的PLA与TDI能有效的提升薄膜的耐水性。

Furthermore adding an amount of agent A and TDI could improve effectively the water-resistence of PVA film .

SnO2对浮法玻璃耐水性的影响

The Effects of SnO_2 on the Water Resistance of Float Glass

用可聚合乳化剂AMPS合成的丙烯酸乳液压敏胶具有较好的耐水性。

The acrylic latex based on AMPS has better water resistance than traditional latex .

我们合成了多种聚合酸，探讨了影响聚合酸-玻璃粉复合材料性能的因素，评价了该材料的透X线性和耐水性。

We have prepared many different polyacids , studied factors affecting the properties of these materials , and evaluated the property of water resistance and X-ray penetration of these materials .

硫酸根离子对CaO-Al2O3-P2O5-SiO2体系耐水性的影响

Effect of sulfate ion on the water-resistance property of CaO-Al_2O_3-P_2O_5-SiO_2 system

通过对pH值的测定，考察了包覆样品的耐水性，研究了发光材料的结构和发光性能。

The water-resistance property of the sample , the structure and the luminescent properties of the luminescent powder were investigated by measuring the pH of the water in which the samples were dispersed .

PPC／累托石形成插层型纳米复合材料后，PPC的耐水性和耐机油性得到明显改善。

PPC / OREC formation of intercalated nanocomposites , the PPC water resistance and oil resistance sexual improved noticeably .

利用回收的聚苯乙烯（PS）泡沫塑料制备了一种价格低廉并具有优良的装饰效果和耐水性的水包油型多彩涂料。

A kind of colour paint of oil in water type with good decoration and resistance to water has been prepared from the waste polystyrene foamed plastic .

TMP含量的增加可有效改善水性聚氨酯胶膜的耐水性和力学性能，但是w（TMP）大于2.0%时，乳液趋于不稳定。

Increasing TMP content can improve water resistance and mechanical property of WPU films , the proper w ( TMP ) is 2 % .

通过优化工艺条件，制备了高淀粉填充量的淀粉/聚乙烯醇完全生物降解塑料薄膜，研究了提高淀粉用量对淀粉/聚乙烯醇（PVA）完全生物降解塑料薄膜的力学性能和耐水性影响；

Starch / poly ( vinyl alcohol )( PVA ) full biodegradable film with high content of starch was prepared by the optimization of processing technology .

MgO-SF-FA-MgCl2-H2O胶凝材料体系的长期强度及耐水性研究

Research on long-term strength and water-resistance of mgo-sf-fa-mgcl_2-h_2o system cementitious materials

耐水性由高到低分别为SA，FPSA，RE和NMA。

The capacity for water-resistance from higher to lower was SA , FPSA , RE and NMA .

分别用APP在水中的溶解度变化，APP处理的LLDPE水浸后的极限氧指数（LOI）变化和磷含量变化评价了APP的耐水性。

Its water resistance was evaluated with its water-solubility and the changes of LOI and P content of the LLDPE after being immersed in water .

聚氨酯/丙烯酸（PUA）水分散乳液通常存在耐水性不佳等不足。

Polyurethane / acrylate ( PU / PA ) hybrid emulsions are not good in water resistance .

此外，用FTIR和光学显微镜对SPI胶黏剂内部结构进行了表征，初步分析了提高粘接强度和耐水性的机理。

The structures were analyzed with FTIR and optical microscope , the mechanism was preliminarily studied to improve the adhesive strength and water resistance . 2 .

通过扫描电镜对片材试件断口面进行了分析，得出热塑性复合片材达到现有加固材料指标，具有较好的耐水性，SEM照片表明树脂与纤维浸渍良好。

Testing results showed that the thermoplastic composites attained the current indexes of strengthening materials and were of good water resistance . SEM photos indicated that sound dipping was achieved between resin and fibers .

结果表明，所得P（VAC－MMA）乳液的耐水性、防冻性及PH值适应范围较PVAC均聚物乳液均有所改善。

P ( VAC - MMA ) emulsion shows better freeze resistance and wider range of PH as well as better water - resistance than that of PVAC emulsion .

研究表明，组分PCL以及增塑剂水和甘油的含量对体系的力学性能和耐水性有显著的影响。

The results showed that the content of PCL , glycerin and water can affect the physical properties and water-resistance of the blends significantly .

研制VAC／BA／AN／AA四元共聚乳液，讨论乳液的稳定性、耐水性、耐寒性、粘接强度和抗蠕变性。

VAC / BA / AN / AA Coploymer Emulsion was developed , stability , Water-and Cold-resistance , Adhesive strength and Creep resistance of the Emulsion are discussed .

使用尿素和三聚氰胺对PVA缩甲醛胶进行改性，可大大降低缩醛胶中游离醛的含量，提高成膜物的耐水性，降低成本。

To modify polyvinyl Formal gel with urea and melamine can greatly reduce free formal content in the gel , improve water resistance of film forming substance and lower the cost .

探讨了EVA、甘油的含量和润滑剂对TPS/EVA共混体系的力学性能、熔融流动性以及耐水性的影响。

It investigated the influences of the content s of EVA and glycerol , and the lubricant to the mechanical properties , melt index and water resistance of the TPS / EVA blends .

本工作以物理改性为主要手段制备SPI塑料，旨在提高SPI塑料的加工性、耐水性和力学性能。

The main objective of this thesis was to prepare SPI plastics by physical modification and to improve the processibility , mechanical properties and water-resistivity of SPI plastics .

耐水性和吸水后力学性能分析得知，合金共聚物吸水率比纯PA6明显降低，合金吸水后力学性能有不同程度的降低，但吸水后力学损失量比纯PA6低很多。

Compared with PA6 , the copolymer alloy shows obviously low water absorption and slightly reducing mechanical property after absorption , while the loss of mechanical property is lower .

耐水性差、游离甲醛释放量高是我国中密度纤维板（MDF）存在的两个主要问题。

Poor water resistance and high formaldehyde emission ( FE ) are two main problems of the medium density fiberboard ( MDF ) produced in our country .

MMA添加量增大，涂膜硬度、耐水性逐渐提高，乳液的稳定性则随着降低。

The results showed that the hardness and water resistance of PUA film increased with the increasing amount of MMA , while the stability of waterborne PUA dispersion decreased .