The structure and properties of cellulose triacetate acetylation were determined by IR,1H-NMR,XRD,DSC and chemical analysis.
采用乙酸酐/乙酸/硫酸体系制备了三醋酸纤维素(CTA),运用IR,化学滴定,1H-NMR,X射线衍射,DSC等手段对产物的结构及性质进行了表征和测试。
The factors,including triphenyl phosphate(TPP) content,hydrolization time,the volume of water and catalyzer concentration,affecting degree of substitution(DS) of cellulose triacetate(CTA) in hydrolization are studied.
研究了增塑剂磷酸三苯酯(TPP)含量、含水量、催化剂的比例以及水解时间对三醋酸纤维素(CTA)水解产物取代度(DS)的影响。
With cellulose triacetate (CTA) as membrane material, thiophen sulfone as solvent, and polyethyleneglycol(PEG) with proper amount of other additives as multi-element pore-forming agent, a high performance hollow fiber nanofiltration (NF) membrane is prepared by gel-freezing method.
采用三醋酸纤维素 (CTA)为膜材料 ,环丁砜作溶剂 ,以聚乙二醇 (PEG)为主、加入适量其它添加剂组合成多元型致孔剂 ,通过冻胶法纺丝 ,制得中空纤维纳滤 (NF)膜 。
The measure of copper and iron content in three cellulose acetate membrane of the zinc-silver battery by using the AIR- C2H2 flame atomic- absorption spectroscopy and make synthetically consideration of the measuring conditions and factors were atuded.
运用空气-乙炔火焰原子吸收光谱法同时测定银锌电池三醋酸纤维素膜中铜铁含量,并对测定条件和干扰因素进行了综合分析 该测定方法具有很好的灵敏度,干扰少,选择性和重现性好等优点 测定样品铜铁含量的相对标准偏差均小于1。
The cellulose triacetate (CTA) prepared by heterogeneous acetylation and coated on small pore 3 aminopropyl silica gel (10nm) was used as chiral stationary phase for HPLC (OA column).
合成了纤维素三醋酸酯，并被涂于小孔硅胶上制备成ＨＰＬＣ手性固定相。
cellulose triacetate
纤维素三醋酸酯,三醋酸纤维素
The Application Status of Cellulose Triacetate Film Base in Photographic Materials
三醋酸纤维素酯在感光材料中的应用现状
Studies on Recycle of Cellulose Triacetate and the Related Performances;
废弃三醋酸纤维素的回收再生及其相关性能研究
Cellulose acetate-fiber two-acetate fiber,three-acetate fiber
纤维素酯纤维:二醋酯纤维、三醋酯纤维
cellulose acetate fibre
醋酯纤维,醋酸纤维素纤维
cellulose diacetate
纤维素二醋酸酯,二醋酸纤维素
CAB Cellulose acetate butyrate
醋酸-丁酸纤维素塑料
cellulose acetate moulding powder
醋酸纤维软性塑胶粉
cellulose acetate molding materials
醋酸纤维素模制材料
Nautong Cellulose Fibers Co.
南通醋酸纤维有限公司
Acetate , Polyamide , Polythane(Elastan), Vinal , Nitrocellulose Silk
醋酸纤维,锦纶 弹性纤维 维纶, 人造丝
a fabric made from cellulose acetate fibers.
由醋酸纤维素制成的纤维。
Cellulose acetate or any of various products, especially fibers, derived from it.
醋酸纤维素醋酸纤维素或其多种制品，尤指从中提取的纤维质
cellulose ester (excl. acetates and nitrates)
纤维素酯（不包括醋酸酯及硝酸酯）
Synthesis and Characterize of Cellulose Acetate Acrylate Liquid Crystalline
醋酸丙烯酸纤维素液晶的合成与表征
Determination of trace silver in geological samples by FAAS after separation and preconcentration with triphenyl phosphine scetic cellulose
三苯基膦醋酸纤维富集火焰原子吸收法测定地质样品中的痕量银
Acetates are scoured with detergents under very mild alkaline conditions.
醋酯纤维织物应使用弱酸性洗涤剂。
coated with cellulose acetate.
用醋酸纤维素涂上一层的唱盘。