| 1. | Preparation and characterization of mc pmma core - shell composite latex particles 壳复合胶粒的制备与表征 |
| 2. | Composite latex particles of disproportionated - rosin ( dpr ) and polyacrylates were synthesized by miniemulsion polymerization 摘要通过细乳液聚合方法成功制备了歧化松香丙烯酸酯复合高分子乳液。 |
| 3. | The effects of the latex particle diameter and the proportion of pba and crosslinking agent in acr on mechanical properties of pvc / acr blends were discussed 考察了acr中的pba含量、交联剂用量、乳胶粒径等因素对共混体系力学性能的影响。 |
| 4. | Moreover , template can be pre - designed according to the size and shape of objective materials . microgels are cross - linked latex particles with narrow size distribution and the inherent steric stability 微凝胶是一种交联型的胶乳粒子,它具有较窄的尺寸分布和空间位阻作用。 |
| 5. | The size and distribution of polyacrylate / caco3 latex and composite particles were determined by dynamic laser scattering . the morphological structures of latex particles were investigated through tem 借助动态光散射粒径分析仪、 tem分别考察了acr胶乳和复合胶乳粒径及其分布、乳胶粒的微观形态结构。 |
| 6. | The particle size of pba latex particles is in the range of 40 - 100 nm , as measured by tem observation , suggesting that ultrasonic irradiation offers a new route to the preparation of mini - or micro - emulsion polymerization Pba乳胶粒尺寸范围为40 - 100nm ,表明超声辐照提供了一种新的用于制备聚合物纳米粒子的细乳或微乳液聚合技术。 |
| 7. | The infrared spectroscopy , transmission electron microscopy , light scattering and x - ray photoelectron spectroscopy are used to characterize the polymer structure and the morphology of the latex particles . the results demonstrate that composite latex with core / shell morphology is indeed successfully prepared 利用红外光谱、透射电镜、激光粒度仪、表面能谱分析等手段对聚合产物的化学结构及乳胶粒粒子形态进行了表征。 |
| 8. | By use of differential scanning calorimetry ( dsc ) for analysis of the glass transition temperature , the influence of latex particle size , curing temperature and reactivity of curing agents on the curing extent of the waterborne epoxy / amine system have keen studied 摘要以差示扫描量热( dsc )为主要研究手段,通过对涂膜的玻璃化转变温度的分析,研究了乳胶粒粒径、固化温度和固化剂的活性对塑胺水性环氧双组分体系固化程度的影响。 |
| 9. | The size distribution of composite latex particles is similar to that of polyacrylate / caco3 latex . their mean particle diameters gradually decrease with amount of polyacrylate / caco3 latex and caco3 / monomers increasing , but the mean particle diameters of the composite latex are much bigger than particle diameters of caco3 latex . molecular weight of pvc composite resin was determined by viscometer 结果表明:复合胶乳呈现与种子粒径相近的单峰分布,其平均粒径随聚丙烯酸酯caco _ 3种子胶乳中caco _ 3加入量的增加而逐渐减小,但复合乳胶粒径比种子粒径要大很多;用粘度法测定了复合树脂中pvc的粘均分子量。 |
| 10. | The system is composed of inverse - fourier - transform system , optic fiber sensor and high sensitivity ccd . its software system of signal acquisition and data processing used the platform of virtual instrument labview . we tested system stability and investigated latex particle size from 32nm to 123nm , several phenomenon below have been found : ( 1 ) the experiment result is consistent with the theoretical arithmetic result of the relation between particle size and normalization light scattering energy at the position of 7 ? and 35 ? angle 组建了包括反傅立叶变换系统、光纤传感器以及高灵敏度ccd的大角度侧向光散射信号探测系统,设计了基于虚拟仪器labview平台的信号采集和数据处理软件,对系统稳定性和颗粒尺寸从32纳米- 123纳米的微乳液颗粒球进行了测试研究,发现以下现象: ( 1 )在与光轴成7和35夹角的位置,归一化的散射光能量与粒径大小关系的实验结果跟理论分析规律完全一致。 |