35 results about "Thiacalixarene" patented technology

The invention relates to compound modified bentonite. The compound modified bentonite comprises the following components by weight percent: 4.23wt%-10.4wt% of sulfonated thiacalix[4]arene, 1.69wt%-10.35wt% of hexadecyl trimethyl ammonium bromide and 79.25wt%-94.08wt% of calcium bentonite. A preparation method of the compound modified bentonite comprises the following steps: (1) weighing calcium bentonite, drying for 4 hours, and sieving by virtue of a mesh sieve for later use; (2) weighing hexadecyl trimethyl ammonium bromide, dissolving hexadecyl trimethyl ammonium bromide in deionized water, and carrying out ultrasonic oscillation so as to obtain a hexadecyl trimethyl ammonium bromide water solution; (3) adding the dried and sieved bentonite into hexadecyl trimethyl ammonium bromide water solution, and stirring; and (4) adding sulfonated thiacalix[4]arene, stirring, filtering, separating, washing by virtue of clean water, and drying to obtain the compound modified bentonite. According to the compound modified bentonite, heavy metals in water can be selectively removed in the presence of alkali metals and alkaline-earth metals; the compound modified bentonite has relatively good adsorbing effect to low-concentration heavy metals in water.

The invention discloses a method for applying calixarene fluorescent probes to fluorescent imaging of Zn<2+> and F<->. Two thiacalix[4]arene fluorescent probes selectively bonded with Zn<2+> and F<-> and having chemical names of 1,3-alternative-5,11,17,23-tetra-tert-butyl-25,27-di[(7-hydroxy-8-coumarinimino)ethoxy]-26,28-di(2-methoxyethoxy)thiacalix[4] and 1,3-alternative-5,11,17,23-tetra-tert-butyl-25,27-di[(7-hydroxy-8-coumarinimino)ethoxy]-26,28-thiacalix[4]crown-5 are respectively used as fluorescent imaging reagents for trace Zn<2+> and F<-> in active cancer cells in the human body; and the probes are compatible with the active cells and have permeability and nontoxicity. After the probes 1 and 2 are used to respectively dye Zn<2+> and F<-> in the cells, an inverted fluorescence microscope is used to detect shot clear blue fluorescent cell images.

The invention discloses a heavy metal wastewater treatment agent, which includes olea europaea pomace, olea europaea sawdust, nitrohumic acid resin, dithiocarboxylated aminomethyl polyacrylamide, biochar, pyrrolidine dithiocarbamate chelated cellulose, starch xanthate, sodium dodecyl sulfonate, a cross-linking agent, sulfonated sulphur heterocarbon, 717 anion exchange resin, modified sericin, polyaspartic acid, beta-cyclodextrin, thiocarbazide, an accelerant, poly(diallylammonium chloride-acrylamide)yl sodium dithiocarbamate. Complexing, precipitation, coagulation, adsorption and other ways are adopted for synergistic coupling integrated treatment of heavy metal wastewater, the treatment agent has the characteristics of coarse flocculation, fast precipitation and strong trapping capacity,and can treat Cu<2+>, Cd<2+>, Hg<2+>, Pb<2+>, Mn<2+>, Ni<2+>, Zn<2+>, Cr<3+> and various heavy metals in wastewater, and also can remove part of COD ammonia nitrogen, phosphorus and Cr<6+>.

The invention discloses a preparation method for an antistatic terylene tablecloth, and belongs to the technical field of textile materials. The preparation method comprises the following steps: carrying out continuous modification treatment on the terylene tablecloth sequentially through the mixed solution composed of Na2CO3 solution, N-(2-aminoethyl)-3-aminopropyl trimethoxy-silane and vinyl trimethoxy silane, and ammonium persulphate solution, then impregnating the terylene tablecloth in the mixed conjugated monomer solution composed of phenylamine and p-aminothiophenol, and carrying out polymerization reaction, washing and drying to prepare the antistatic terylene tablecloth under the synergistic effect of perchloric acid, 4-thiacalixarene sulfonated sodium and phenol red sodium salt. The antistatic terylene tablecloth prepared by the method disclosed by the invention has an electrical conductivity of 8.5*10<-3> to 3.6*10<-2> S.cm<-1>; the preparation method disclosed by the invention has the following characteristics that the preparation method is simple, and the product is excellent in antistatic performance, wide in applicability and the like.

The invention discloses a supermolecule cage complex as well as a preparation method and an application thereof. The structure of the supermolecule cage complex is {[M4(mu4-H2O)(x)]4Y8}, in the formula, M is a metal element; X is thiacalixarene [4] ligand; and Y is carboxylate ligand. Implemented under relatively gentle conditions, the preparation method of the supermolecule cage complex is not only simple and rapid, but also energy-saving and efficient, raw materials and reagents are wide in source and low in price, and large-scale application is facilitated. The supermolecule cage complex disclosed by the invention is subjected to fluorescence enhancement under an acid condition, subjected to fluorescence quenching under an alkali condition, and can be applied to pH value analysis in an organic environment (not aqueous solution). The supermolecule cage complex disclosed by the invention can be applied to a spectrum sensation aryl aldehyde compound, and a provided fluorescence spectrum sensation detection method has the advantages of being high in sensitivity, rapid in response and the like.

The invention provides a method for preparing nanometer gold grains by the water phase of phosphorothioate calixarene derivatives in the field of nanometer technology. The procedures are that an amphiphilic phosphorothioate calixarene polyethylene glycol derivative is dissolved in deionized water so as to prepare a phosphorothioate calixarene polyethylene glycol derivative water solution. Chloroauric acid water solution is taken to be added into the phosphorothioate calixarene polyethylene glycol derivative water solution, and stirred under the room temperature; then the solution is placed for a while to obtain the nanometer gold grains with different sizes, wherein, the thioether bond of polyethylene glycol of phosphorothioate calixarene and the gold of the chloroauric acid are calculated according to the amount of substance, with the molar ratio of 1:0.6-1:0.21. The nanometer gold grains of a few to tens of nanometers can be obtained by the method for preparing nanometer gold grains by the water phase of phosphorothioate calixarene derivatives; the technique is simple; the stability of the synthesized nanometer gold grain is good; simultaneously, calixarene is capable of identifying a plurality of guest molecules as a superamolecular body; nanometer gold grains stably coated by phosphorothioate calixarene can be applied to devices for preparing bio-sensor, molecule detection, and biocatalysis, etc.

The invention belongs to the field of metal sulfide nano-materials, and particularly relates to a method for preparing a carbon-loaded metal sulfide nanocomposite through electrostatic spinning, whichcomprises the following steps: (1) preparing a spinning precursor solution: respectively dissolving a thiacalixarene metal cluster compound and a spinning aid in DMF (Dimethyl Formamide), and mixing;(2) preparing nano-fibers by electrostatic spinning: sucking the obtained spinning precursor solution into an injector, adjusting the pump flow rate and voltage of the injector and the distance between a spinning needle and a receiving plate, spinning, and receiving a nano-fiber felt by the receiving plate; (3) pre-oxidizing the nano-fiber felt: pre-oxidizing the collected nano-fiber felt; and (4) carbonizing in an N2 atmosphere: carbonizing the pre-oxidized nano-fiber felt, and naturally cooling to obtain the target product. The target product is ideal in electrochemical performance and goodin capacitance characteristic, the flaky carbon material is directly used as an electrode, additives or impurities such as a binding agent can be eliminated, and the energy capacity and performance are improved.

The invention relates to two thia-calyx [4] arene fluorescent reagents s1 and s2 with selective bonding La<3+>lu<3+>. The chemical names of the two thia-calyx [4] arene fluorescent reagents are respectively 1,3-alternation-bis(8-hydroxyquinoline-2-aldehyde amine oxethyl)-2,4-bis(2-methoxyl oxethyl)-quadri (p-tert-butyl) thia-calyx [4] arene and 1,3-alternaiton-bis(8-hydroxyquinoline-2-aldehyde amine oxethyl)-2,4-quadri(p-tert-butyl) thia-calyx [4] arene. Spectrofluorimetry for quantitatively measuring La<3+> and Lu<3+> ions with reagents s1 and s2 is established. The La<3+> and Lu<3+> ions are subjected to fluorescence detection by the reagents s1 and s2 in N,N-dimethylformamide/water (v/v=9/1) and tri-hydroxymethyl aminomethane-HCl buffered solution (pH 6) with high selection and high sensitivity. The detection linear range reaches two orders of magnitude, and detection limit is as low as 10<-9>mol*L<-1>.

An organic-inorganic composite film is prepared from XW12, where X=B, Si and P, or M4(H2O)2(PW9O34)2, where M=Co, Cu, Zn and Mn, and p-tetraamino-tetrathiacalix [4] arene through layer-layer self-assembling. It has high electrochemical properties.

Provided are a toner and a toner manufacturing method with which high image density and a broad range of color reproduction are obtained, and with which high-quality images are also obtained. The toner is composed of toner particles that comprise a binding resin containing a polyester resin and a colorant, and contains 10-1,500 ppm of a metal element selected from titanium, germanium, and aluminum, and a cyclic phenol sulfide represented by general formula (1) selected from thiacalixarene, sulfinyl thiacalixarene and sulfonyl thiacalixarene.

The invention relates to a thiacalixarene derivative with acyl hydrazone Schiff base at the lower edge, and a compounding method and application thereof. By the thiacalixarene derivative, the defect of singular modification structure of the lower edge of thiacalixarene is overcome. The acyl hydrazone Schiff base is introduced to the lower edge of the thiacalixarene to form a drooping chelation arm, and through synergistic effect of the acyl hydrazone Schiff base and thiacalixarene cavities, selective complexing ability of the obtained thiacalixarene derivative on metal ions is improved. Initial experimental results of the nature of the thiacalixarene derivative show that the thiacalixarene derivative has high coordination ability on the metal ions.

The invention relates to a thiacalix[4]arene acylhydrazone Schiff base derivative and a synthesis method and application thereof. The defect that the lower-edge modifying structure of thiacalix[4]arene is single is overcome. According to the thiacalix[4]arene acylhydrazone Schiff base derivative, acylhydrazone Schiff base is introduced to the lower edge of thiacalix[4]arene to form a drooping chelating arm, and the selective complexing capability of the thiacalixarene derivative on metal ions is enhanced by means of the synergistic effect of the drooping chelating arm and thiacalixarene holes. Results of preliminary experiments on the properties of the compound show that the thiacalix[4]arene acylhydrazone Schiff base derivative has the good recognition capability on the metal ions.