The crystallization behavior and crystals structures of copoly (vinylidene fluoride-chlorotrifluoroethylene), which was synthesized with n: n=1:4, were investigated by DSC, WAXD and FTIR, respectively.
用示差扫描量热法、广角X射线衍射和傅里叶红外光谱研究了偏氟乙烯／三氟氯乙烯单体摩尔比为1：4的无规共聚物的结晶与晶体结构。
The results of WAXD indicated that the liquid crystalline phase was nematic phase in nature.
共聚物的1%热失重温度均高于490℃。
In this paper, WAXD was used to investigate a series of liquid crystalline and non liquid crystalline sequential copolyester, which was synthesized from 1, 10 decanediol, 2, 2 bis(4 hydroxyphenyl) propane and the mesogenic monomer 2 methyl 1, 4 phenylene bis(4 chloroformyl) benzoate.
应用广角X射线衍射对2，2－双（4羟基苯基）丙烷，1，10癸二醇与2－甲基－1，4－苯撑双（4氯甲酰）苯甲酸酯的一系列共聚酯进行了研究。
As annealing temperature increased, the crystallinity of PP became higher and the lamellae thickness distribution became narrower.
而SEM、WAXD和压汞仪等的测试结果表明，退火处理并没有改变聚丙烯粒子原有的粒子形貌、结晶形貌和孔隙率。
The membrane structure was analyzed through WAXD, DSC, SEM, FESEM, and Porosimeter testing.
拉伸和固化工艺参数与薄膜结构性能密切相关。
Twelve 4-nitroazobenzene groups were used as fragments and attached on its periphery. Azobenzene groups of carbosilane dendrimer underwent ortho -metallation by reaction with PdCl42＋ giving palladium-azo complex. The structure and liquid crystallinity of G1Pd were characterized by elemental analysis, 1H NMR, 13C NMR, IR, UV-vis, energy-dispersion X-ray analysis, polarizing optical micrography, DSC and WAXD.
合成了新的周边含12个4-硝基偶氮苯端基一代碳硅烷树枝状大分子的钯配合物(G1Pd)，并用元素分析、核磁共振氢谱、碳谱、红外、紫外-可见光谱、能量色散X射线分析、偏光显微镜、差示扫描量热法和广角X射线衍射法对其结构和液晶性质进行了表征。
The crystallite size, degree of crystallinity and thermal properties of the at various temperatures have been studied by using WAXD and DSC.
利用广角 X射线衍射方法和示差扫描量热法研究了不同热处理温度时聚芳醚腈的微晶尺寸、结晶度及热性能的变化。
Their crystal structure also exists some difference. When the molecular weight of PET is about 7500, the crystallizing process in which the PET chains with different molecular weight formed their own crystallization regions taken palace. And the phenomena of double crystallization regions in DSC and WAXD analysis appear. The formation of hydrogen bond between free hydrocarbyl at the ends of the chains and oxygen atoms is a necessary process when amorphous PET crystallizes and the double regions result from the different type of hydrogen bond.
通过结晶动力学测试、DSC分析、WAXD对晶体结构的测定和FTIR对链末端氢键结构的研究，首次提出，低分子量PET（M〓≤6170）与高分子量PET（M〓≥12600）结晶行为的差异源于它们晶体结构的不同，而PET分子链末端的游离羟基形成氢键是其结晶时所必须经历的一个过程，故不同类型氢键的形成是导致不同晶体结构产生的主要原因。
WAXD investigation also indicated that as temperature increased to the melting point of PEG, PEG/CDA and PEG/CSN blends changed into an amorphous solid state from crystal state. As a matter of fact, the PEG within the blends is the phase change substance, in the transition of blends, crystal PEG in the blends changed into an amorphous solid state.
升温相变过程中，PEG／CDA、PEG／CSN由结晶固态转变为无定型固态，共混复合物的相变过程实际上是共混复合物中PEG的相转变过程；升温相变时，共混物中的PEG由结晶固态转变为无定型的固态，共混复合物的相变焓就是共混物中PEG由结晶固态转变为无定型固态吸收的热量。
The interactions between polyelectrolytes and oppositely chargedsurfactants were studied in aqueous solution by fluorescence spectra.
通过测定电解质与表面活性剂复合物的荧光光谱来并借助WAXD、SAXD、DSC和TG等对复合物的聚集态进行了研究。
There are two kinds of methods to measure the crystallinity of polymers by WAXD-the relative method and the absolute method (HWM, CPRM, Ruland-M). The results of various methods in the literature are often different. Results of WAXD also disagree with those of other methods (p, DSC, NMR FT-IR etc.).
应用广角X-射线衍射来测定高聚物的结晶度可以分为相对法与绝对法(HWM、CPRM、Ruland)两大类，但长期以来在文献上这些方法得出的结果往往差别很大，而且WAXD与其它的方法，如DSC、ρ、NMR、IR等往往也不相一致。
The study proved that phase transition temperatures were low, which was revealed by WAXD that Tm depression via random copolycondensation was due to the disruption of crystal structure in essence.
首次研究了制备液晶聚芳酯的熔融缩聚反应历程，反应动力学及反应过程中的相态变化，这对把握该类反应的进行，提高液晶聚酯粘度和控制链节分布极有意义。
The melt flows from the melt-film toward the active flight flank to form melt pool, exerting considerable pressure on the UHMWPE powder in the passive flight flanks, the hard-compacted problem of UHMWPE is thus overcome.
FT-IR、DSC、WAXD和AFM分析表明，在单螺杆挤出机挤出UHMWPE/PP共混物时，与料筒壁接触的物料表层主要是PP，从而增大了物料-料筒壁间的摩擦系数，实现了单螺杆挤出机内物料的顺利输送。
A series of methyl-substituted random copolymers MePEKEKK/PEKK and MePEKKEKK/PEKK were synthesized by low-temperature solution polycondensation of 2, 2'-Dimethyl-4, 4'-Diphenoxydiphenylketone or 1, 4-[4-(2-Methylphenoxy)-benzoyl]-benzene and diphenylether, Terephthaloyl in 1, 2-dichloroethane and in the precence of DMF with AlCl3 as catalyst. The copolymers were studied by DSC, TGA, WAXD etc.
由邻甲酚与4，4'-二氟二苯酮或1，4-（4-氟苯酰基）苯合成2，2'-二甲基－4，4'-二苯氧基二苯酮或1，4-［4-（2-甲基苯氧基）－苯酰基］－苯，再与二苯醚、对苯二甲酰氯在1，2-二氯乙烷中，以无水AlCl3为催化剂，在N，N-二甲基甲酰胺存在下进行亲电缩聚反应，合成了一系列不同结构的甲基取代的聚芳醚酮醚酮酮／聚芳醚酮酮(MePEKEKK/PEKK)和聚芳醚酮酮醚酮酮／聚芳醚酮酮(MePEKKEKK/PEKK)共聚物。
DSC and WAXD were used to study the crystalline structures and the effects on it by heat treatment.
结合DSC与WAXD两种表征方法来研究共混体系的晶态结构以及热处理过程对晶体结构的影响。
PLM and WAXD study revealed that the appearance of net-like structure was caused by the formation of hydrogen bond between talc and PAA.
偏光显微镜和WAXD的研究表明，网状织构的出现是由于滑石粉与聚酰胺酸形成氢键的结果。
DSC and WAXD results indicate that the improvement of tensile strength is dependent on the number of shish-kebab crystals and the degree of macromolecule orientation caused by the oscillating packing injection molding.
采用振动保压注射成型技术不仅对HDPE、PP各自力学性能有明显的自增强作用，而且对HDPEPP共混体系的力学性能也有十分明显的改善。
The property of the product was characterized by mechanical property test, SEM, WAXD and DSC analysis, the results show: under the shear or tensile stress field, the macromolecular chains of high molecular weight HDPE can be easily and stably reserved to become the preliminary linear nucleus, which promotes the generation of shish-kebab and interlocking shish-kebab of the induced system so that the mechanical properties of the pipe are improved obviously.
通过力学性能测试、SEM、WAXD 及DSC 分析对制品的性能及结构进行了表征，结果表明：在剪切或拉伸应力场中，高分子量HDPE 的大分子链会成为初级晶核，促进诱导体系生成大量倾斜排列的串晶和串晶互锁结构，明显改善了管材试样周轴两向的力学性能。
In our research, PES/PPS blends with various compositions were prepared; their thermal and dynamic mechanical properties have been investigated by means of DSC and DMA. The effect of PMR-polyimide as the interfacial agent on the interface characteristics, morphology features and crystallization of poly /poly blends were studied by means of the FT-IR, DSC, SEM, WAXD and XPS surface analysis.
本论文研究了PPS/PES二元共混物的热性能和动态力学性能，并以热可控交联的低分子量多官能单体PMR-POI为界面增强剂，分别研究了POI与PPS、PES之间的接枝和/或交联反应，POI对PPS结晶行为的影响，POI对PES分子运动的影响和POI对PPS/PES共混体系的界面增强。
The liquid crystallinity, texure of polyester were investigated by using a variety of experimental techniques including DSC, PLM and WAXD.
DSC测试结果表明其熔点为224.4℃。以三聚体、FH和TPC为单体采用与上相同的聚合方法制备了无规聚合物。