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内容简介:使用热重分析法(TGA)、热裂解-气相色谱质谱联用法(Py-GC/MS)对不同热解温度(450 ℃、550 ℃和650 ℃)、不同混合比(100:0、75:25、50:50、25:75和0:100)的油菜秆和富氢塑料聚丙烯的共热解行为、热解产物分布规律及共热解过程中存在的协同效应进行了详细的分析研究。TGA结果表明,在相同热解温度条件下,混合物中聚丙烯的比例增大过程中热解反应的速率与强度...
A ZnAl2O4@SiO2 nanocomposite was prepared from metal nitrates and tetraethyl orthosilicate by the sol-gel process, and characterized by X-ray diffraction, Fourier transform infrared, transmission elec...
Zeolite Y modified by cesium and magnesium ions was prepared by ion-exchange and impregnation methods, and its activity in the cyanoethylation of aliphatic and aromatic alcohols and amines was investi...
Tribromo melamine has been found to be an efficient and green organocatalyst for the acetylation and formylation reactions of alcohols with acetic anhydride and ethyl formate at room temperature and u...
Acylimidazolium acetate was readily prepared in situ from the reaction of imidazole with acetic anhydride and subsequently acted as a catalyst and acylating agent for the efficient acetylation of alco...
{[K.18-Crown-6]Br3}n, a unique tribromide-type catalyst, was utilized for the N-boc protection of amines and trimethylsilylation (TMS) and tetrahydropyranylation (THP) of alcohols. The method is gener...
Poly(4-vinylpyridinium tribromide) is an efficient catalyst for the conversion of various alcohols to their corresponding acetate derivatives with acetic anhydride. This method has some advantages suc...
An efficient and versatile procedure for the acetylation of alcohols and phenols using acetic anhydride in the presence of a catalytic amount of polyvinylpolypyrrolidoniume tribromide has been success...
Various alcohols and phenols were trimethylsilylated in excellent yields using hexamethyldisilazane in the presence of catalytic amounts of environmentally friendly, hydrophobic, highly thermal stable...
An efficient and environmentally benign procedure for the catalytic esterification of salicylic acid with aliphatic alcohols, CnH2n+1OH (n = 1–5) and benzylic alcohols, RC6H4CH2OH (R = H, NO2, OCH3, B...
Cu/Ce1−xZrxO2 (x = 0-1) was prepared by a coprecipitation-decomposition method using NH3 · H2O as precipitant (to avoid residues of alkali metals), followed by a boiling process to eliminate NH3...
Nitrogen-doped titania nanoparticles were obtained by the homogeneous precipitation in hexamethylenetetramine- titanium trichloride-alcohol aqueous solutions at 90℃ followed by heating at 190℃. Anatas...
Extraction Equilibrium of Lincomycin with Long-Chain Alcohols
期刊信息 篇名 Immobilization of HX: [Hmim]X as Halogenating Agent, Recyclable Catalyst and Medium for Conversion of Alcohols to Alkyl Halides 语种 英文 撰写或编译 作者 WU,Hai-Hong,SUN,Jing,YANG,Fan,TANG,Jie,HE,Ming-Yu...

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