From the plugging agent type, the effect of resin and particle plugging agent is the best and the gel plugging agent can not reach the ideal plugging effect. 通过分析发现,从堵剂类型看,树脂颗粒类堵剂效果最好,冻胶类堵剂无法达到理想的封堵效果;
Methods of testing bamboo-mat plywood The Application of Low Moles Proportion UF Resin Adhesive to Bamboo Particle Boards GB/T13124-1991竹编胶合板试验方法低摩尔比脲胶在竹材碎料板中的应用
The super alcohol absorbing resin beads, with large particle size ( larger than 3 mm), was synthesized by inverse suspension polymerization using hydrochloride of N, N ′-dimethylaminoethyl methacrylate ( DM) and acrylamide ( AM) as monomers. 以甲基丙烯酸-N,N′-二甲胺基乙酯与丙烯酰胺为单体,Span系列作分散剂,进行反相悬浮聚合,制得了大粒径珠状高吸醇性树脂。
It wad found that the controlled-rate stage of the exchange reaction was the diffusing process of drug in the capillary in the resin particle. 确定交换反应的限速过程为药物在树脂颗粒内部孔道中扩散的过程,且树脂粒径越小,反应温度越高,交换速率就越大。
Aqueous polyurethane ( PU) adhesives were modified by epoxy resin, the effect of neutralization degree on particle diameter, appearance and storage stability was studied. 利用环氧树脂改性水性聚氨酯胶粘剂,探讨了中和度对乳液粒径、外观和贮存稳定性的影响,改性后胶粘剂对多种复合薄膜性能的影响;
The property and particle size of SP-1, SP-2 and SP-C new complex ion exchange resin is studied and tested with laser particle size analyzer and SEM. 采用激光粒度分布仪结合扫描电镜对SP-1、SP-2及SP-C新型复合材料离子交换树脂粒度性能进行了研究测定。
Study on the Particle Structure of Suspension Poly ( vinyl chloride) Resin 2.The Relationship Between Stirring Speed and Particle Structure of PVC Resin 悬浮法PVC树脂颗粒结构的研究&2.PVC树脂颗粒结构和搅拌速度的关系
When using dispersing agent A the resulted resin particle shape is spherical and apparant density is higher, like compact type Vinyl Chloride-acetate copolymer and solubility is unsatisfactory. 而单用分散剂A制得的树脂颗粒形态为球形,表观密度较高,类似于紧密型氯醋树脂,溶解性能较差。
The adsorption of tannin from methanol fits the Langmuir model, and the saturated adsorption capacity was 34mg/ g resin. The adsorption was controlled by particle diffusion. 在甲醇中,树脂对鞣酸的吸附符合Langmuir单分子层吸附模型,静态饱和吸附量为34mg/g,吸附为粒扩散控制过程。
In this paper, some works have been done in the relationship between mechanical properties, processing parameters and micromorphology of Acrylic resin ( ACR) particle with core-shell construction modifying UPVC. 本论文就核&壳结构丙烯酸酯类树脂(ACR)增韧改性UPVC的加工工艺、结构和性能三者关系方面做了一些研究。
The aging-resistant property of DN-1 low-toxic urea-formaldehyde resin glue for particle board DN-1号刨花板用低毒性脲醛树脂胶的耐老化性能
Through the determination of the porosity of the resin and the Brabender heated dry blending time, the relationship between suspension PVC particle texture and plasticizer absorption was studied by the observation of the resin particle texture under a microscope. 本文通过对树脂孔隙率及Brabender热干混时间的测定及对树脂颗粒结构的相差显微镜观察研究了悬浮PVC树脂颗粒结构与增塑剂吸收性能的关系。
It was found that the activities of these complexes are higher than those of their low molecular analogues, and have a clear relation to the polymer bound N/ Pd molar ratio, resin particle size, and swelling and coordination ability of the solvents. 实验结果表明:该类催化剂的活性高于均相类似物,而且同催化剂的氮/钯原子比、载体的颗粒度和溶剂的溶胀及配位能力有明显的关系。
The PVC paste blending resin is a kind of suspension polymerized resin with spheric particle morphology, high apparent density and low oil absorption. 聚氯乙烯糊用掺混树脂是一种颗粒外观球形化、表观密度较高、吸油率低的悬浮聚合树脂。
For a stable and continuous production process, the PVB resin particle diameter should be homogeneous, laminated safety glasses for different uses should be added with different plasticizers, and the process technology should be adjusted appropriately. 实验表明,PVB树脂颗粒须粒径均匀,不同用途的夹层玻璃需选用不同的增塑剂,同时进行相应生产工艺的调整,才能实现稳定连续的生产。
Influence of compound emulsifier's ratio and amount, reaction temperature, polymerization types and functional monomer amount on the emulsion resin particle size and its distribution were studied. 系统研究了复合乳化剂配比及用量、聚合温度、聚合方式和官能团单体含量对共聚物乳胶粒径及其分布的影响。
A number of important achievements in promoting the toughness of epoxy resin with rubber elastomer, rigid particle, thermoplastic resin, liquid crystalline polymer and core-shell polymer in recent years were reviewed, and its future prospect was also pointed out in this paper. 概述了近年来橡胶弹性体、刚性粒子、热塑性树脂、液晶聚合物及核-壳结构聚合物增韧环氧树脂的研究现状,并展望了环氧树脂增韧改性研究的发展前景。
The super water-absorbent resin in particle form was prepared by proper cross-linking of the graft copolymer. 将玉米淀粉-丙烯酸反相乳液接枝共聚物适度交联,可制得颗粒状高吸水性树脂,交联剂的含量和加入方式都影响树脂的吸水性能。
Compared with general PVC resin, the obtained nano-PVC resin showed sharper particle size distribution and better melt fluidity and was suitable for producing pipes and sections. 生产出的纳米PVC树脂的粒径分布更为集中,比普通PVC树脂的熔融流动性更好,适用于生产管材和型材;
This text introduces leading the modified monomer to polytetrafluoroethylene dispersing resin and optimum process conditions to make the modified polytetrafluoroethylene dispersing resin which has a small particle size and even distribution of molecular weight. 通过引入改性单体和优化工艺条件,制得初级粒子粒径小且分子量分布均匀的改性聚四氟乙烯分散树脂乳液。
Factors influencing the emulsion resin particle size and its distribution of mma-ba-dmaema copolymer 影响MMABADMAEMA三元共聚物乳胶粒径及其分布的因素
Evaluation of Polymer Efficiency in Pitch Control with a Laser-optical Resin Particle Counter 用激光光学树脂粒子计数器评价聚合物的树脂控制效率
The effects of concentration of Ce3+, ion exchange temperature, speed of resin and H2O2 addition on particle diameter of CeO2 were also discussed, and the optimum conditions for the process were obtained. 并就离子交换反应中的Ce3+浓度、树脂加入速度和离子交换温度及H2O2加入速度等条件对CeO2粒径的影响进行了探讨,得出了离子交换-双氧水氧化法制备纳米CeO2晶体的最佳工艺条件。
It was found that with the rise of pH the concentration of colloidal resin increased and the particle size became larger too, which led to their lower stability and higher depositing possibility. 发现随着pH的下降,树脂粒子浓度升高,平均粒径增大,沉积趋势增强。
The diffusion of VH within the resin particles was controlled by a particle diffusion process according to Viswanathan ′ s equation. The diffusion coefficients increased with the increase of the ionic strength of the releasing media. 其释放动力学过程可用Viswanathan方程来描述,并且VH在上述释放介质中的释放属于粒扩散过程控制,粒扩散系数随释放介质中离子强度的增加而增加。
Accordingly, as the rubber component used impact resistant resin such as ABS resin, those having a larger particle diameter are preferred. 因此,象ABS这样的抗冲树脂的橡胶组分更希望有一个大的粒径。
This essay systematically investigated that the scope of the spread carbon fiber tow, the processing speed, the resin powder particle size and the heating temperature have the influence on the effect of the powder coating. 比较系统地研究开纤幅度、处理速度、树脂粉末的粒径和加热温度等对BPR粉末在炭纤维丝束上的涂层效果。