溶紡纖維 的英文怎麼說
中文拼音 [róngbǎngxiānwéi]
溶紡纖維
英文
solvent spun fibre-
The electrostatic spinning technique of producing nano - pan fiber felt was introduced. the relationship of processing parameters with diameter of fiber and the amount of remaining solvent in as - spun fiber were analyzed and the influence of compound solvent of dmf and acetone on properties of fiber was investigated
介紹了用靜電紡絲法紡制納米級聚丙烯腈纖維氈的方法,分析了紡絲工藝條件與纖維的直徑及初生纖維的溶劑殘留量的關系並探討了採用二甲基甲酰胺及適量的丙酮為復合溶劑對纖維性能的影響。Testing of textiles ; determination of the limit - viscosity of celluloses, cuen - procedure
紡織品的檢驗.用氫氧化銅乙二氨溶液法測定纖維素的極After spinning fibre number of the fibres is normal ; as long as the components of island are dissolved away by solvent after processing, we can make up bundle superfine fibres
紡絲后是以常規纖度存在,只有在後加工用溶劑將海成分溶解掉,才可真正得到束狀超細纖維束。By blending with pva, the rigidity and fragile properties of regenerated sf could be improved to some extent
研究了共混配比、溶液濃度、添加劑含量及電紡電壓、噴絲距離等因素對纖維盛開及纖維有關性能的影響。Test method for identification of textile fibres. solubility
紡織纖維鑒別試驗方法溶解性試驗方法According to the observed experiments that the na2feo4 solution with the same concentration and volume were decomposed by the same area of different membrane, we learned the order of the decomposing rate of na2feo4 caused by different membranes : soapnated cellulose acetate > vinylon > polypropylene polyvinyl chloride = polyethylene microfiber glass mat
從觀察等面積的隔膜引起同濃度同體積的na _ 2feo _ 4溶液的分解實驗可知,不同隔膜材料引起na _ 2feo _ 4溶液分解速率從大到小的順序是,皂化再生纖維素膜維尼綸無紡布改性聚丙烯膜聚氯乙烯膜輻射接枝聚乙烯膜復合玻璃纖維氈。In order to prepare bioactive functional fibers, the german company zimmer blended seaweed particles with the spinning solution during the solvent spun process for cellulose fibers, and dispersed the seaweed particles in the resultant seacell fibers
摘要為了制備具有生物活性的功能性纖維,在溶劑法生產再生纖維素纖維的過程中,把海藻粉末與紡絲溶液混合,所得到的海絲纖維中分佈了細小的海藻顆粒。With increasing the amount of pva in the blend, concentration of spinning solution and the voltage of electrospinning, spinnability of the solution could be favored
研究表明:與聚乙烯醇共混后再生絲素纖維的柔韌性有一定改善,適當增加pva在共混物中的含量、提高紡絲液濃度以及紡絲電壓有利於改善共混溶液的可紡性。Salt alginate fiber was prepared by means of wet spinning, the structure and properties of the fibers were studied by differential thermal analysis, infrared and scanning electron microscopy
摘要採用溶液紡絲的方法制備了海藻酸鹽纖維,藉助熱分析、紅外分析及掃描電子顯微鏡等對纖維結構與性能進行了研究。The adsorption of polymer chains at the sio2 surface avoided the coherence between the nascent hollow fibers, improved spinning conditions and hollow fiber bearing. the addition of ca further improved mechanical property of membrane, but pressure - resiposivity became weak. by controlling polymer and sio2
通過對sio _ 2填充pu溶液紡絲成形研究發現,因sio _ 2對pu紡絲液相分離條件的改變及對pu大分子的吸附,有效防止了pu初生纖維的粘結,提高了pu紡絲溶液的可紡性,改善了pu中空纖維膜的支撐性。The cause of the wt. loss of rayon fibers in alkaline solns. was theoretically analyzed, and the causes of error production in the quantitative analyses of wool. / rayon blends were compared
摘要對粘膠纖維在堿性溶液中質量損失的原因進行了理論分析,比較了毛粘混紡產品定量分析方法,並探討了誤差產生的原因。Test method for identification of textile fibres. fibre melting point
紡織纖維鑒別試驗方法溶點測定方法This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )
本文主要對聚丙烯腈( pan )二甲基甲酰胺( dmf ) 、 pan二甲基已酰胺( dmac )體系進行電紡絲,調節靜電壓( 20 50kv ) 、噴頭孔徑( 0 . 5 0 . 8mm ) 、接收距離( 15 25cm ) 、溶液濃度( 6wt 14wt )等過程參數,制得pan納米纖維,纖維平均直徑在200 1000nm ;詳細分析了過程參數對纖維細度、形態等的影響,認為高聚物溶液濃度及靜電壓對纖維細度有決定性影響,其它過程參數如接收距離、噴射孔徑、紡絲溶液溫度、溶液電導率等的調整應以這兩參數為基礎進行。Electrospinning origins from that electrically charged fluid is forced jets in the high voltage electrostatic field. electrospinning occurs when the electrical forces at the surface of a polymer solution or melt overcome the surface tension and cause an electrically charged jet to be ejected. when the jet dries or solidified, an electrically charged fiber remains
電紡絲技術是基於高壓靜電場下導電流體產生高速噴射的原理發展而來,其基本過程是:聚合物溶液或熔體在幾千至幾萬伏的高壓靜電場下克服表面張力而產生帶電噴射流,溶液或熔體射流在噴射過程中乾燥、固化,並保持一定電荷量,最終落在接收裝置上形成纖維氈或其它形狀的纖維結構物。Textiles. tests for fibres. determination of the solubility of wool in urea bisulfite
紡織.纖維試驗.尿素重亞硫酸氫鹽中羊毛溶解度的測定方法Several fabrication methods, including nonwoven meshes / fiber bonding, solvent casting / particulate leaching, phase seperation / freeze drying, gas foaming and three - dimensional printing, which are used to prepare tissue engineered porous scaffolds from natural or synthetic biodegradable materials, are reviewed
摘要綜述了以天然或合成生物降解材料為原料的組織工程多孔支架的幾種制備方法,包括無紡織物纖維粘結法、溶液澆鑄粒子洗出法、相分離凍干法、氣體成孔法和三維「印刷」等方法。And the sem pictures of the synthetic fibrics vary with the different proportion of pan & sca. when the proportion is 50 : 50, pan and sca shape into nanoflbers severally. then when the contents of sca are decreased, sca are dispersed into pan nanoflbers
不同比例pan與sca混合溶液的電紡纖維呈現不同的電鏡圖,二者比例相當時, pan與sca各自成纖,當sca含量低時, sca往往分散於pan纖維中。Since the water soluble fiber in fabric can be dissolved, the style and grade of the fabric will certainly be greatly improved. after it is processed to water soluble non - woven fabric it can be used as disposable cloth such as computer embroidery cloth, medical operation clothes, operation cap, gauze mask, and cloth pieces for medical operation etc. its pure yarn fabric can be used as medical nonstick cloth, and its high strength fiber can be spun into high strength yarn for the production of high quality and recoverable sacks for cement or fodder etc. with the development of the water solubility of the vinylon staple, the staple will be used more and more extensively day by day
它可與棉花或其它纖維混紡織成布,將織物中的水溶性纖維成份溶解,將大大提高織物的風格和檔次加工成水溶性無紡布可作電腦繡花底布醫用手術衣手術帽口罩手術巾等一次性用布其純紡紗布可作醫用不粘紗布還可以用它的高強纖維紡成強力紗,用於製造可回收再加工的優質包裝袋如水泥袋飼料袋等。Method of test for the determination of certain water - or alkali - soluble additives in cellulosic or synthetic fibres, yarns and fabrics or yarns and fabrics made from blends of such fibres
纖維素纖維或合成纖維紗線及織物或由這些纖維混紡的紗線及織物中水溶性或堿溶性添加劑測定的試驗方法Concentrations, bore flow rate, dope solution temperature, coagulant bath temperature, 5 types of composite pu hollow fiber membranes were prepared. the recovery extent of different composition hollow fiber membrane pore size is different. the ability to recover of type
另外,在pu紡絲液中混入適量醋酸纖維素( ca ) ,也可有效改善pu溶液的可紡性,提高pu中空纖維膜的支撐強度和耐壓強度,但壓力響應性有所減弱。分享友人