60results about How to "Adjust solubility" patented technology

An object of the present invention is to provide nickel cobalt manganese composite hydroxide particles having a small particle diameter and a uniform particle size distribution, and a method for producing the same.

[Solution]

A method for producing a nickel cobalt manganese composite hydroxide by a crystallization reaction is provided. The method includes: a nucleation step of performing nucleation by controlling a pH of an aqueous solution for nucleation including metal compounds containing nickel, cobalt and manganese, and an ammonium ion donor to 12.0 to 14.0 in terms of the pH as measured at a liquid temperature of 25° C. as a standard; and a particle growth step of growing nuclei by controlling a pH of an aqueous solution for particle growth containing nuclei formed in the nucleation step to 10.5 to 12.0 in terms of the pH as measured at a liquid temperature of 25° C. as a standard.

A sulfonic acid onium salt represented by the following formula (1) can be used as a superior radiosensitive acid generator for resist compositions. It is possible to form a good pattern by using a resist composition containing this sulfonic acid onium salt.

In formula (1), R¹ represents a monovalent organic group, and Q⁺ represents a sulfonium cation or iodonium cation.

A process for preparing a fluoropolymer by polymerizing one or more radically polymerizable monomers comprising at least one fluoroolefin monomer in the presence of a radical polymerization initiator and as case demands, an inactive fluorocarbon and chain transfer agent in a reaction field where at least one of components forming the reaction field is in a supercritical state. According to the preparation process, generation of unstable end groups of the polymer, a decrease in a purity and complicated post-treatment can be eliminated.

The invention discloses polyacrylate polymer terminated cyclodextrin polyrotaxane, which is characterized in that: the molecular formula is shown in the specifications; and the preparation method comprises the following steps of: preparing poly(pseudo)rotaxane physical gel from thiol polyethylene glycol and alpha-cyclodextrin; and reacting the poly(pseudo)rotaxane physical gel with an acrylate monomer under the action of an azodiisobutyronitrile radical initiator so as to connect long molecular chains of polyacrylate to two ends of the poly(pseudo)rotaxane, wherein the long molecular chains of polyacrylate serve as large-volume groups to prevent the cyclodextrin on a polyethylene glycol molecular chain from dropping off, so that the polymer terminated polyrotaxane is obtained. The number of the cyclodextrin passing through the polyethylene glycol molecular chain and the type and the length of the polyacrylate molecular chains at the two ends of the polyrotaxane can be adjusted conveniently by adjusting the using amount of the cyclodextrin and the type and the using amount of the acrylate monomer, so that the performance of the polyrotaxane can be adjusted conveniently. The polyrotaxane is a novel supermolecular system and can be applied to the fields of biodegradable materials, medicine carriers, sustained release materials, biosensors and the like.

A fluorine-containing sulfonic acid salt or a compound having a fluorine-containing sulfonic acid group, either of which having a structure represented by the following general formula (1), is provided. Such a salt or compound can act as a suitable photo-acid generator, and can form a resist pattern having excellent sensitivity, resolution and mask-dependence.

[In general formula (1), R represents a substituted or unsubstituted linear or branched monovalent hydrocarbon group having 1 to 30 carbon atoms, a substituted or unsubstituted monovalent hydrocarbon group having 3 to 30 carbon atoms and a cyclic or a partially cyclic structure, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or a substituted or unsubstituted monovalent heterocyclic organic group having 4 to 30 carbon atoms.]

Belonging to the field of organic optoelectronic materials and organic photoelectric conversion application, the invention provides a phenothiazine pure organic dye, a preparation method and application thereof in dye-sensitized solar cells. The phenothiazine pure organic dye has a phenothiazine group, different functional groups are introduced to the N position of the phenothiazine group, and the phenothiazine group is connected to a carbazole group through meta-benzene, and the phenothiazine pure organic dye has a general formula shown as the specification, The dye provided by the invention can be applied to dye-sensitized solar cell devices to achieve high photoelectric conversion efficiency. The synthesis and preparation method involved in the invention is simple and controllable, and is low in cost, and the cell devices thereof have high efficiency. The phenothiazine pure organic dye is expected to replace traditional heavy metal sensitizing agent dyes, and has the application prospect of commercial production.

The invention discloses a process for separating and recovering minim organic solvent from waste water using ion liquid consisting of, mixing hydrophobic ionic liquid with aqueous solution of organic solvent whose concentration is lower than 0.1-10 wt% by the volume ration of 1 : 1-10, fully stirring and depositing for stratification, gathering the organic solvent in the aqueous phase into ionic liquid phase, separating the ionic liquid phase, evaporating the organic solvent in the ionic liquid through decompression, thus achieving the goal of reclaiming organic solvent.

The invention provides an A-site Ba, Sr, Ca ions-doped SrCo0.8Fe0.2O3-delta-base perovskite oxygen permeable membrane material and application thereof, and relates to inorganic oxygen permeable membrane material, wherein, Ba, Sr and Ca elements are doped to the A-site of SrCo0.8Fe0.2O3-delta at the same time. The general formula of the material is BaxSr1-x-yCayCo0.8Fe0.2O3-delta, wherein, x is 0.1-0.9, and y is 0.1-0.9. In the invention, by adjusting the doping ratio of the three metal ions, the material forms a cubic perovskite structure; and studies show that the melting point of the material is lower than that of an A-site single-ion or dual-ion-doped perovskite material, and the material has stable structure and higher oxygen permeation quantity, thus being applicable to the fields such as oxygen permeable membrane sealing, pure oxygen separation, partial oxidation of methane, a solid oxide fuel cell cathode material and the like.

The invention relates to an ionic hydrate inhibitor which is prepared by dissolving an ionic liquid in a water solution, wherein the mass concentration of the ionic liquid is 0.005-0.01%; the ionic liquid is composed of imidazole cations and chloride ions; and the solvent is water. The hydrate inhibitor has the advantages of better inhibitory effect, low consumption and small influence by degree of supercooling, is easy to recycle and is more environment-friendly.

The invention provides a self-flowing meta-aramid and a preparation method thereof. The preparation method comprises the following steps: 1) dissolving m-phenylenediamine with sulfonic groups and the additive lithium chloride or calcium chloride in a solvent to prepare a solution, maintaining the temperature of the solution to be 80 to 100 DEG C, adding an m-phthalyl dichloride solution, decreasing reaction temperature and adding m-phthalyl dichloride into the solvent of m-phenylenediamine with sulfonic groups under the conditions of inert gas and rapid stirring in 1 to 8 min for a reaction; and 2) adding alkali into the solution obtained in step 1), allowing alkali to react with the solution and adding a quaternary ammonium salt solution for reaction, wherein synthesis reaction is finished after 5 to 7 h, a self-flowing meta-aramid material is obtained, and the self-flowing meta-aramid material has a molecular weight of 2000 to 40000 and a thermal decomposition temperature of 300 to 600 DEG C and can be dissolved in water and most organic solvents. Aramid fibers prepared from the self-flowing meta-aramid material have elongation at break of 2 to 4%, compressive strength of 0.01 to 1.00 GPa, tensile strength of 1000 to 6000 MPa and elastic modulus of 1 to 1.6 MPa. Polymerization in the invention is mild and has good controllability, the structure of quaternary ammonium salt is changed, and dissolving performance of a polymer can be adjusted.

The invention relates to diboron nitride bridge-linked bipyridine and an organic/ high polymer material prepared from the diboron nitride bridge-linked bipyridine, and belongs to the field of polymer solar cell. In order to expand the system of a receptor material, a classical pyrene unit is used as a start point and a novel BN receptor unit is developed. The diboron nitride bridge-linked bipyridine provided by the invention comprises a NB unit which has multiple advantages: such as a planar structure is favorable for the ordered close packing of the material molecules and is capable of increasing the material carrier mobility; the BN coordination interaction has a strong electron withdrawing effect for reducing the energy level of the molecule; different lengths of the alkyl chains are introduced for adjusting the solubility of the materials; the diboron nitride bridge-linked bipyridine has functional reaction site, can be used for preparing the organic/ high polymer material, and has very good application future when being applied to solar cells.

The polyaryl ether ketone viscosity regulator is prepared with type-B3 monomer, diphenol monomer or phenol ended oligomer and potassium carbonate in certain proportion as main material, where the type-B3 monomer is 1, 3, 5-tri[4-(4-fluoro phenacyl) phenoxy], and diphenyl sulfone as solvent. The preparation process of the polyaryl ether ketone viscosity regulator includes mixing material, forming salt, prepolymerizing, condensation at 280-300 deg.c for 3.5-4.5 hr, and post-treatment. The present invention may regulate the dissolubility, heat performance and crystallization performance of super-branched polyaryl ether ketone via altering the structure and length of A2 unit. The polymer product of the present invention has excellent solvent resistance and corrosion resistance, and is suitable for use as the viscosity regulator in linear polyaryl ether ketone processing.

The invention belongs to the field of organic small molecule solar cells, and particularly relates to a D(pi-A)2 type small molecule donor material based on a pyrazine indole terminal electron acceptor and a preparation method and application thereof. An electron donating (D) unit of the D(pi-A)2 type small molecule is 3, 6-bis-(octylthio) thienothiophene (TT), a pi bridge unit is alkylated, oxyalkylated or thioalkylated thiophene or selenophene, an electron withdrawing (A) unit is a novel pyrazine indole derivative, and the small molecule donor material is applied to a solution processing type small molecule solar cell. PC71BM is used as a receptor, and the energy conversion efficiency of the bulk heterojunction solar cell reaches 7.31%. According to the invention, high-efficiency energyconversion of a small molecular donor material constructed based on a pyrazine indole derivative terminal receptor unit in a small molecular solar cell is realized.

The invention discloses a UV coating for cutting machining for 3C product glass screens and being soluble in alkali and a preparation method of the UV coating. Ink is prepared by the following components in percentage by weight: 25-40% of bifunctional polyester acrylates, 25-40% of styrene maleic anhydride copolymer resin, 2-5% of dipentaerythritol hexaacrylate, 2-5% of a trifunctional phosphate ester adhesive agent, 3-5% of an acrylic ester coupling agent, 10-20% of talcum powder, 1-2% of polytetrafluoroethylene wax powder, 1-2% of phthalocyanine blue, 4-6% of 184, 3-5% of TPO and 0.5-2% of an addition agent. When the prepared UV ink is applied to the 3C product glass screens, the adhesive agent does not need to be added during site operation, and when films are taken off, the films are dissolved into particulate precipitation to the bottom of an alkali-solution tank, the subsequent cleaning for glass machining is convenient and quick, and the condition that the taken films are adhered to glass due to large sizes, so that cleaning is troublesome can be avoided.

The invention discloses a preparation method and an application of polycyclic aromatic hydrocarbon K-position imidazolyl-based organic semiconductor materials. The structural general formula of the synthesized materials is shown in the description; and in the general formula, Ar represents an aryl group or a substituted aryl group, and R represents an alkyl chain with non-uniform lengths. The structural design of the materials is characterized in that the position of a phenyl ring connected with imidazole belongs to a K(4,5) position, and the above connection is completely different from the connecting position (1,2) of routine compounds. The structural design of like compounds accords with a D-A-D (donor-acceptor-donor) structure, and can be well applied to organic solar battery devices to improve the performances of the devices.

The invention relates to a method for preparing an anti-scar coating film by using an electrostatic spinning method and a product and application thereof. The method combines a medicament for inhibiting cell fibrosis damage with the electrostatic spinning technology to obtain the coating film capable of inhibiting postoperative scars and skin wound scars of a laryngeal trachea, firstly, preparinga spinning solution, then adding carboxymethyl chitosan into the spinning solution at a concentration of 5-10mg/ml, and finally, preparing the anti-scar coating film by an electrostatic spinning method. The method adopts an electrostatic spinning method to prepare the nanofiber film, which has good flexibility and tensile strength, and is an excellent film coating material; According to the invention, the medicament can be slowly released through the nanofiber, and an ideal treatment effect can be achieved on scar prevention.

The invention relates to a pulse water diversion type fish roe hatching device. The device comprises a water tank (7), wherein a channel assembly higher than the water tank is arranged in the middle of the water tank (7) and comprises a water inlet channel located in the middle and water diversion channels (6) located in two sides, the water inlet channel is communicated with the water diversion channels (6) through water diversion ports (2) in the upper portions of shared side faces, and a main water inlet (1) is formed in the water inlet channel; a water distribution plate (10) is arranged in the water tank, and a hatching frame (4) is placed on the water distribution plate (10); the upper end of each siphon (3) is arranged in the corresponding water diversion channel (6) and downwards penetrates through the water distribution plate (10), and the tail end of each siphon (3) is located under the hatching frame (4); the upper end of each siphon (3) is in the shape of or similar to the shape of an arc which is bent downwards; the side face of the upper portion of the hatching frame (4) is communicated with an overflow channel (9) through an overflow port, the overflow channel (9) is provided with a water outlet pipe (5), and the water outlet pipe (5) allows water and fry to flow out.

The invention discloses a fluorescence emission material and an organic light-emitting device prepared from the fluorescence emission material. A thiophene/furan [2, 3-b] quinoxaline and tricyclic aromatic hydrocarbon fused high-efficiency blue fluorescence and other color light-emitting materials are constructed through molecular design. The luminescent wavelength of the material can be regulatedto 426nm and 457nm, and the absolute fluorescence quantum yield reaches 65% and 82% respectively. The material can provide beneficial supplement for commercial blue light materials.

The invention discloses an orthoester miscible pharmaceutical adjuvant, which relates to the field of pharmaceutical adjuvants and is mainly obtained by mixing and dissolving different orthoester compounds according to different proportions or mixing and dissolving orthoester compounds and biocompatible medical polymer materials according to different proportions. The chemical formula I of the orthoester compound is shown in the specification, wherein R represents hydrogen, methyl, ethyl, propyl, isopropyl, butyl or phenyl. The invention also provides a preparation method of the pharmaceutic adjuvant and a local sustained-release drug delivery preparation containing the adjuvant. The invention has the following beneficial effects: the fluidity of the orthoester miscible pharmaceutical adjuvant is adjustable; the degradation rate is adjustable, and the drug release rate is adjustable; a good solvent, which can dissolve small molecule and protein drugs; local injections, cream and ointment can be prepared; the biological compatibility is good, the metabolism is clear, and the clinical conversion use is easy.