The period of pre-processing during liquid crystal cell assembly is divided into five parts from alignment film printing to sealant curing. 将液晶盒前段成盒制程从配向膜印刷到框胶固化结束所经历的时间分为五部分。
The paper introduces the basic components of an additive liquid silicone impregnating varnish, the catalyst, the inhibitor and its curing mechanism. 介绍了加成型有机硅浸渍漆的基本组成、催化剂、阻聚剂及其固化机理,并综述了国内外加成型液体有机硅浸渍漆的应用情况。
While liquid core fiber has fewer varieties, it has found wide uses, especially in the field of UV curing. 虽然液芯光纤的品种较少,但用途比较广,特别是在紫外光固化行业中得到大量应用。
A Simple Synthetic Method for Discotic Liquid Crystal Intermediates: 2-Hydroxy-3,6,7,10,11-penta ( alkoxy) triphenylenes Synthesis and Curing of a Novel Combined Liquid Crystalline Epoxy 盘状液晶中间体单羟基苯并菲简便合成一种新型液晶环氧树脂单体的合成与固化研究
The effect of solid and liquid reinforcing phenolic resins on the processibility and curing characteristics of NR compound, and the physical properties of its vulcanizate was investigated. 研究固体和液体酚醛补强树脂对NR胶料加工性能、硫化特性及硫化胶物理性能的影响。
Synthesis of Liquid Bisphenol a Epoxy Resin and Curing Behavior and Performance of a Novel Epoxy Resin 双酚A型液体环氧树脂的合成及特种环氧树脂的固化行为与性能的研究
According to practical requirement, two technical routes& epoxy anhydride system and epoxy anhydride imide system are selected and experimented respectively. The former is a mixture of two liquid anhydrides used for curing epoxy. 文中根据实际要求,采用环氧-酸酐体系与环氧-酸酐-亚胺体系两条技术路线,分别进行了实验,前者是以两种液体酸酐混合物固化环氧;
The gelation time of this epoxy resin with modified liquid anhydride was related to the chemical structure and the composition of epoxy resin, curing temperature and accelerator. 环氧树脂与改性液体酸酐体系的凝胶时间与环氧树脂的结构与组成、固化温度及促进剂等因素有关;
The curing process and reaction mechanism of this epoxy resin/ modified liquid anhydride system were studied by qualitative analysis of FT-IR spectrum and quantitative determination of curing degree. 并通过FT-IR光谱定性分析及固化度测定的定量分析方法研究了该环氧树脂与改性液体酸酐体系的固化过程及其反应机理。
The results show that the cured liquid crystalline epoxy taking DDM as curing agent have good liquid crystalline behaviors and comprehensive property is the best. 结果表明该液晶环氧树脂与DDM交联聚合的网络保持了较好的液晶织态,聚合物具有较好的综合性能。
A series of reactive toughening accelerators ( LCEU PEG) containing both the flexible chain and rigid chain liquid crystal unit were synthesized and used to toughen the epoxy resin/ dicyandiamide curing system. 合成了既含聚乙二醇醚(PEG)柔性链、又含刚性液晶结构单元的活性增韧促进剂(LCEUPEG),对其促进环氧树脂/双氰双胺体系的固化反应活性、反应机制;
Through applying a liquid modified aromatic amine as curing agent for epoxy resin, a high performance resin matrix system for resin transfer moulding ( RTM) was derived. 选用一种液体改性芳香胺为环氧树脂的固化剂,得到了一种适合于树脂传递模塑(RTM)的高性能树脂体系。
The condensed RTV silicone rubber dental impression material was prepared with α, ω-dihydroxy polydimethylsiloxane and catalyst reaction system as raw materials, adding surface-modified fumed silica filler, silica powder and liquid paraffin additives, curing agent and so on. 通过α、ω&二羟基聚二甲基硅氧烷与催化剂体系反应,加入填料表面处理过的气相白炭黑、硅微粉及助剂液体石蜡、硫化助剂等制备缩合型室温硫化硅橡胶口腔印模材料;
Curing Kinetics of Epoxy Resin/ Liquid Crystal Curing Agent System 环氧树脂/液晶固化剂固化反应动力学研究
Stereolithography ( SL) is developed on the base of the liquid photopolymer resin ′ s UV curing characteristic. 光固化快速成型是基于液态光敏树脂在特定波长紫外激光照射下发生光固化反应这一特性而发展起来的。
The liquid aromatic secondary amines as curing agent used for cast polyurethane elastomers 浇注型聚氨酯弹性体用芳香族仲二胺类硫化剂
The epoxy resin system is applied to RTM process. It consists of multi-functional epoxy resin and liquid anhydride as the matrix, trialkylamine and salt of organic acid as the accelerator. Curing processing and cured properties are studied by DSC and DMA. 本文研究了以多官能团环氧树脂及液体酸酐为基体,以叔胺及有机酸盐为促进剂组成的RTM用环氧树脂体系,采用DSC和DMA等方法研究了树脂体系的固化工艺及固化物的性能。
When the petroleum resin as the liquid filler, can be the surface curing time reduced, and it is reducing with the content of it increasing. 液体石油树脂作为填料时,可以缩短聚氨酯防水涂料涂膜的表干时间,且表干时间随着石油树脂用量的增大而减小。
Application of TX-2 Liquid Curing Agent in Casting Polyurethane Elastomer 液体固化剂TX-2在聚氨酯弹性体中的应用
Associated with ultraviolet-curing characteristics of the liquid polymer resist, the relationship between the curing depth of resist and ultraviolet exposure is also established. 基于液态光敏抗蚀剂在紫外光照射下发生光固化反应这一特性,对固化过程进行了详细的分析,建立了抗蚀剂的固化深度与紫外光曝光量之间的关系。
The photo-crosslinking films of BPDE and BADE can induce homogeneous alignment of liquid crystals. Uniform alignment was kept even curing at 90 ℃ for 30 minutes and the thermal stability was suit to the general fabrication of liquid crystal devices. 测得BPDE和BADE为水平取向膜,在90℃加热30分钟仍保持完好的排列特性,已达到一般液晶器件制作过程中热处理工艺的要求;
The preparation of two kinds of curing liquid and research on concrete curing effect 两种养护液的制备和对混凝土的养护效果研究
The effect of pH of the finishing liquid, curing temperature, dosage of the agent and amount of catalysts on the effectiveness of finishing were discussed. 讨论了整理液pH值、焙烘温度、整理剂用量、催化剂用量等因素对整理效果的影响。
Through experiment, effects of the content of metakaolin in solid phase, the adding amount of liquid sodium hydroxide, ratio of solid phase to liquid phase, concentration of alkali, curing temperature on compressive strength were analyzed. 分析了偏高岭石占固相的质量分数、液体硅酸钠掺量、固液比、碱浓度及固化温度等因素对无机矿物聚合物抗压强度的影响。
Studies on the Morphology and Mechanical Properties of Epoxy Resin/ liquid Crystalline Compounds Curing System 环氧树脂/液晶化合物固化体系形态与力学性能的研究
In this work, we reported creatively a new liquid curing agent, polyamide resin with low molecular weight, which solved some difficult problems during preparation of ICA, such as limit of quantity of conductive fillers. 研究首次采用了液态固化剂(低分子量的聚酰胺树脂),可解决导电胶制备过程中填料受限的难题。
It shows that every square meter cost of liquid curing agent of soils basic is at least 1% lower than conventional lime-treated gravel base course. 结果表明液体固化剂稳定砂砾土基层的每平方米造价与常规的石灰稳定沙砾基层相比,至少降低1%的成本。
The specific gravity, liquid limit and plastic limit, plasticity index of acid pollution laterite decrease with accrescent acid concentration and extended curing time. 酸污染红土的比重、液塑限与塑性指数随酸浓度的增大和养护时间的延长总体都呈减小的趋势。
Determine how each kind of resin glue liquid curing agent in the whole content, finally got the three technology of curing process of the ideal one, preparing their cured and carbon fiber laminates. 确定了每一种树脂胶液的固化剂在整体中的百分含量,最后得到了这三种工艺固化流程的最理想的一个,制备了它们的固化物和碳纤维层合板。