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- The food chains extend to the abyss. 食物鏈一直延伸到深淵。
- Thermal behaviors of high viscosity Nylon 66, prepared by chain extending , have been studied by DSC. 用差示掃描量熱法(DSC)研究了擴鏈法制備的高粘度尼龍66的熱行為。
- 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-聚己內酯擴鏈共聚法制備了可生物降解的熱熔膠粘劑。
- Effect of chain extenders on PVB resin and film was studied. 討論了擴鏈劑的加入對PVB樹(shù)脂及薄膜性能的影響。
- The equilibrium constants of some chain extending reactions were calculated for normal chain extenders from the d... 利用推導出的理論關(guān)系計算出常見(jiàn)擴鏈劑參與擴鏈反應的平衡常數。
- Fiber Structure Development in Bicomponent Fibers of Recycled PET Modified with a Chain Extender. 擴鏈劑改性再生PET雙組分纖維的結構。
- 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為原料,制備了PU彈性體。
- The chain extender was analysed by infrared spectrometry,mass spectrometry and element analysis etc. 用質(zhì)譜、紅外光譜、元素分析等對該擴鏈劑結構進(jìn)行了分析。
- The influences of the types and content of chain extender on the performance of emulsion were analyzed. 采用預聚體分散法合成含氟聚氨酯乳液,并分析了擴鏈劑種類(lèi)及含量對乳液性能的影響。
- 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... 以環(huán)氧樹(shù)脂為擴鏈劑反應活性最高,擴鏈效果比較明顯,但有一定的交聯(lián)反應發(fā)生,導致擠出物熔體破裂;二異氰酸酯在擴鏈時(shí),由于其在高溫下自身會(huì )發(fā)生化學(xué)反應,使擴鏈效率降低;
- It is a barbarous way to extend territory by arms. 以武力擴張領(lǐng)土是一種野蠻的方式。
- Then, isophorone diisocyanate (IPDI) as hard segments and 1,4-butanediol as chain extender were added to prepare thermoplastic polyurethane (TPU). 然后，以異佛爾酮二異氰酸酯（IPDI）為硬段，1,4-丁二醇為擴鏈劑，得到了硅油改性熱塑性聚氨酯（TPU）。
- By the pre-polymer and chain extender afterwards process, the product was synthesized with the performance of no toxicity and low viscosity. 該產(chǎn)品采用預聚體法和后擴鏈合成工藝，使該產(chǎn)品具有環(huán)保無(wú)污染、產(chǎn)品粘度小等特點(diǎn)；
- Application of non polyurethane,polyester polyurethane,polyether polyurethane and chain extender on the melt spinning of elastic fiber is introduced . 介紹了非聚氨酯類(lèi)、聚酯型聚氨酯類(lèi)、聚醚型聚氨酯類(lèi)聚合物及擴鏈劑在熔紡彈性纖維上的應用。
- The soft segments based on polyether, and functional chain extender PDSA would be resulted into the better degree of dispersion on the nanocomposites. 由實(shí)驗結果顯示，奈米復合材料的分散性取決于有機黏土含量、聚胺酯軟鏈段及鏈延長(cháng)劑的種類(lèi)。
- The effects of different chain extenders and different contents on polyurethane emulsions from polyether and polyester have been studied. 研究了不同擴鏈劑及其用量對聚醚型和聚酯型聚氨酯乳液的影響。
- 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. 試驗結果表明：MOCA與TMP并用作為交聯(lián)劑及填加無(wú)機耐熱填料石英粉可提高聚氨酯耐熱性。
- A proposal to extend the highway was flung out at the meeting. 延伸高速公路的建議在會(huì )議上被否決。
- By intercalating chain extender, the self emulsifying anionic waterborne polyurethane emulsions which have the block structure have been prepared. 通過(guò)自乳化聚合引入低分子擴鏈劑制得具有嵌段結構的陰離子型水性聚氨酯乳液。
- The act of straightening or extending a limb. 伸直伸直或伸展肢體的行為
