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- The food chains extend to the abyss. 食物链一直延伸到深渊。
- Thermal behaviors of high viscosity Nylon 66, prepared by chain extending , have been studied by DSC. 用差示扫描量热法(DSC)研究了扩链法制备的高粘度尼龙66的热行为。
- In this paper,a series of biodegradable hot-melt adhesives which based on poly (lactic acid) -poly caprolactone were synthesized by chain extending. 用聚乳酸-聚己内酯扩链共聚法制备了可生物降解的热熔胶粘剂。
- Effect of chain extenders on PVB resin and film was studied. 讨论了扩链剂的加入对PVB树脂及薄膜性能的影响。
- The equilibrium constants of some chain extending reactions were calculated for normal chain extenders from the d... 利用推导出的理论关系计算出常见扩链剂参与扩链反应的平衡常数。
- Fiber Structure Development in Bicomponent Fibers of Recycled PET Modified with a Chain Extender. 扩链剂改性再生PET双组分纤维的结构。
- Polyurethane elastomers based on glycols(PEA,PPG PTMG), diisocyanate(TDI) and chain extender(E-300) were prepared. 以多元醇(PEA,PPG,PTMG),PDI,E 300为原料,制备了PU弹性体。
- The chain extender was analysed by infrared spectrometry,mass spectrometry and element analysis etc. 用质谱、红外光谱、元素分析等对该扩链剂结构进行了分析。
- The influences of the types and content of chain extender on the performance of emulsion were analyzed. 采用预聚体分散法合成含氟聚氨酯乳液,并分析了扩链剂种类及含量对乳液性能的影响。
- The results indicate that the epoxy resin is a chain extender having highest activity and preeminent chain extending effect, though it induces crosslinking to a given extent and br... 以环氧树脂为扩链剂反应活性最高,扩链效果比较明显,但有一定的交联反应发生,导致挤出物熔体破裂;二异氰酸酯在扩链时,由于其在高温下自身会发生化学反应,使扩链效率降低;
- It is a barbarous way to extend territory by arms. 以武力扩张领土是一种野蛮的方式。
- Then, isophorone diisocyanate (IPDI) as hard segments and 1,4-butanediol as chain extender were added to prepare thermoplastic polyurethane (TPU). 然后,以异佛尔酮二异氰酸酯(IPDI)为硬段,1,4-丁二醇为扩链剂,得到了硅油改性热塑性聚氨酯(TPU)。
- By the pre-polymer and chain extender afterwards process, the product was synthesized with the performance of no toxicity and low viscosity. 该产品采用预聚体法和后扩链合成工艺,使该产品具有环保无污染、产品粘度小等特点;
- Application of non polyurethane,polyester polyurethane,polyether polyurethane and chain extender on the melt spinning of elastic fiber is introduced . 介绍了非聚氨酯类、聚酯型聚氨酯类、聚醚型聚氨酯类聚合物及扩链剂在熔纺弹性纤维上的应用。
- The soft segments based on polyether, and functional chain extender PDSA would be resulted into the better degree of dispersion on the nanocomposites. 由实验结果显示,奈米复合材料的分散性取决于有机黏土含量、聚胺酯软链段及链延长剂的种类。
- The effects of different chain extenders and different contents on polyurethane emulsions from polyether and polyester have been studied. 研究了不同扩链剂及其用量对聚醚型和聚酯型聚氨酯乳液的影响。
- The results showed it might raise the heat st resistance of casting polyurethane to use the compound chain extender of MOCA ad TMP and quartz powder. 试验结果表明:MOCA与TMP并用作为交联剂及填加无机耐热填料石英粉可提高聚氨酯耐热性。
- A proposal to extend the highway was flung out at the meeting. 延伸高速公路的建议在会议上被否决。
- By intercalating chain extender, the self emulsifying anionic waterborne polyurethane emulsions which have the block structure have been prepared. 通过自乳化聚合引入低分子扩链剂制得具有嵌段结构的阴离子型水性聚氨酯乳液。
- The act of straightening or extending a limb. 伸直伸直或伸展肢体的行为