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43 results about "Polycarbonyl" patented technology

Polycarbonyl, (also known as polymeric-CO, p-CO or poly-CO) is a solid metastable and explosive polymer of carbon monoxide. The polymer is produced by exposing carbon monoxide to high pressures. The structure of the solid appears amorphous, but may include a zig zag of equally spaced CO groups.

High-filled modified-surface strengthened polyamide composition

The invention discloses a high-filled modified-surface strengthened polyamide composition, which consists of semi-aromatic polyamide, aliphatic polyamide, a polycarbonyl compound and an inorganic strengthened filler, and is mainly used in the fields of electronic and electrical appliances, automobiles, furniture, building materials and fibers. The composition has the advantages that: as the polycarbonyl compound is added into a polyamide composition, so the branching reaction of polyamide in a melt extrusion process can be performed to obtain branched polyamide, and the composition of the branched polyamide has high mechanical performance and high flowability; and 2, part of low-molecular-weight branched polyamide can be produced in the system and the viscosity of the melt in the system can be reduced due to the amide exchange and branching reaction in the melt extrusion process, and thus, the surface of the product is smooth, and the product can be used in place of metal and is very suitable for shell materials of electronic consumer equipment and automobile parts.
Owner:KINGFA SCI & TECH CO LTD +1

Crosslinkable composition

To provide a composition (e.g., a coating composition) useful for forming an organic semiconductor having excellent conductivity, solvent resistance, heat resistance, durability, and other properties, and an organic semiconductor formed with the composition.The composition comprises an aromatic polycarbonyl compound having a carbonyl group as a reactive site, and at least one aromatic reactive component selected from an aromatic polyamine having an amino group as a reactive site, and an aromatic heterocyclic compound having a plurality of unmodified α-carbon positions, as reactive sites, each of which is adjacent to a hetero atom of a heterocycl thereof. When the aromatic reactive component is an aromatic heterocyclic compound, the aromatic polycarbonyl compound is an aromatic polyaldehyde compound. Use of the composition in which at least one component of the aromatic polycarbonyl compound and the aromatic reactive component has not less than 3 reactive sites per molecule forms an organic semiconductor having a three-dimensional crosslinked structure.
Owner:DAICEL CHEM IND LTD

Photocatalytic hydrogen production system and hydrogen gas preparation method thereof

The invention discloses a photocatalytic hydrogen production system by utilizing a stabilizer. The system comprises a catalyst (polycarbonyl diiron dithiolate cluster compound), a photosensitizer (CdTe, CdSe, CdS quantum dots, and the like), a stabilizer (chitosan, beta-cyclodextrin, sodium polyacrylat, polyvinylpyrrolidone, sodium alginate, poly(N-isopropylacrylamide), polydimethyldiallylammonium chloride, benzalkonium chloride, octadecylmethyldihydroxyethyl ammonium bromide, etc.), an electronic sacrificial body (ascorbic acid), and a water-containing solvent. The photocatalytic hydrogen production system has the advantages of simple preparation, cheap and available components, high hydrogen yield efficiency, and good system stability, the hydrogen yield reaches 162 [mu]mol for a system with a total volume of 10 mL for one time, and the hydrogen conversion number is as high as 1615 calculated on the basis of catalyst. The hydrogen yield is only 7.5 [mu]mol in the same system in the absence of the stabilizer, and the hydrogen conversion number is only 57 calculated on the basis of catalyst.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Formaldehyde free binder compositions with urea-aldehyde reaction products

Fiber-containing composites are described that contain woven or non-woven fibers, and a cured binder formed from a binder composition that includes (1) a reducing sugar and (2) a crosslinking agent that includes a reaction product of a urea compound and a polycarbonyl compound. Exemplary reaction products for the crosslinking agent may include the reaction product of urea and an α,β-bicarbonyl compound or an α,γ-bicarbonyl compound. Exemplary fiber-containing composites may include fiberglass insulation.
Owner:JOHNS MANVILLE CORP

Preparation method of La-Fe/CTMAB (cetyltrimethylammonium bromide) composite modified bentonite adsorbing material

The invention discloses a preparation method of a La-Fe / CTMAB (cetyltrimethylammonium bromide) composite modified bentonite adsorbing material. The preparation method comprises the following steps: preparing a polycarbonyl iron solution and a La(NO3)3 solution, adding the polycarbonyl iron solution and La(NO3)3 solution into a bentonite raw soil suspension to obtain a La-Fe inorganic modified bentonite suspension, carrying out vacuum filtration, washing, drying and grinding to obtain La-Fe inorganic modified bentonite, adding the La-Fe inorganic modified bentonite into a CTMAB solution, treating in a thermostatic water bath, stirring and aging to obtain a La-Fe / CTMAB inorganic-organic composite modified bentonite suspension, and carrying out vacuum filtration, washing, drying and grinding to obtain the La-Fe / CTMAB composite modified bentonite adsorbing material. The method solves the problem of poor adsorbability of bentonite raw soil for organic pollutants in the prior art.
Owner:XIAN UNIV OF TECH

Polycarbonyl nitrogen heterocyclic organic compound for organic cathode material of lithium battery and preparation method thereof

The invention relates to a polycarbonyl nitrogen heterocyclic organic compound for an electrode material of a lithium battery, and belongs to the field of preparation of lithium battery electrode materials. A preparation method of the polycarbonyl nitrogen heterocyclic organic compound comprises: dissolving an aromatic carboxylic acid anhydride and an amino nitrogen heterocyclic compound into a suitable organic solvent, reacting for a period of time under the protection of nitrogen or argon and at a reflux temperature, then cooling, filtering and washing to obtain a solid polycarbonyl nitrogenheterocyclic organic compound. The obtained polycarbonyl nitrogen heterocyclic organic compound has certain specific capacity and excellent cycle stability for preparing an electrode material of a lithium battery. The method has the advantages of simple process, low cost, low energy consumption, good reproducibility and excellent performance, and is suitable for industrial production.
Owner:CHANGZHOU UNIV

Formaldehyde free binder compositions with urea-aldehyde reaction products

Fiber-containing composites are described that contain woven or nonwoven fibers, and a cured binder formed from a binder composition that includes (1) a reducing sugar and (2) a crosslinking agent that includes a reaction product of a urea compound and a polycarbonyl compound. Exemplary reaction products for the crosslinking agent may include the reaction product of urea and an α,β-bicarbonyl compound or an α,γ-bicarbonyl compound. Exemplary fiber-containing composites may include fiberglass insulation.
Owner:JOHNS MANVILLE CORP

All-printed mesoscopic perovskite solar cell and preparation method thereof

The invention discloses a full-printing mesoscopic perovskite solar cell. The solar cell is arranged on a substrate and comprises a cathode layer, an electron transport layer, a mesoporous layer, a barrier layer and an anode layer which are sequentially stacked on the substrate; the mesoporous layer, the barrier layer and the anode layer are filled with a perovskite thin film, and a polycarbonyl small molecule additive is introduced into a precursor solution of the perovskite thin film. The quality of the perovskite thin film is improved; perovskite defects are overcome, perovskite grain boundaries are modified, so that the device performance of the perovskite solar cell is improved, the problem that the performance of a solar cell device is reduced due to the fact that crystallization ofa perovskite thin film material in mesopores is difficult to control is solved, and the defects that a full-mesoscopic perovskite solar cell is poor in process repeatability and low in efficiency areovercome.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Polycarbonyl-substituted chiral pyrrolidine derivative and preparation method thereof

The invention relates to the field of organic chemistry. In order to solve the problem that methods of synthesizing the polycarbonyl-substituted chiral pyrrolidine derivative are not many, the invention provides a polycarbonyl-substituted chiral pyrrolidine derivative and a preparation method thereof. Under the protection of inert gas, a complex formed by a metal-catalyzed precursor and a chiral phosphine ligand is used as a catalyst, and the polycarbonyl-substituted chiral pyrrolidine derivative is synthesized by a [3+2] cycloaddition reaction of ketene and azomethine ylides. The synthetic method is simple to operate, reaction conditions are mild, the substrate universality is high, the product yield is high, the enantioselectivity is high, the synthesized compound is an important nitrogen-containing heterocyclic compound which can be widely applied to various fields of organic synthesis, medicine, material chemistry and fine chemicals.
Owner:HANGZHOU NORMAL UNIVERSITY

Treatment method for selectively adsorbing and recycling precious metal ions in wastewater by using modified polymer adsorbent

The invention provides a treatment method for selectively adsorbing and recycling precious metal ions in wastewater by using a modified polymer adsorbent, and belongs to the technical field of precious metal wastewater treatment. The modified polymer adsorbent is prepared by the following steps: (1) mixing elemental sulfur, a polyamine compound, a polycarbonyl compound and a loading substrate, and adding an organic solvent to obtain a solid-liquid mixed solution; (2) in a protective gas atmosphere, carrying out a heating reaction on the solid-liquid mixed solution to obtain a modified polymer mixed solution; and (3) cooling the modified polymer mixed solution to room temperature, washing, centrifuging and drying to obtain a modified polymer adsorbent, wherein the load substrate is a porous adsorption material. According to the treatment method, the characteristics and advantages of the medicament can be fully exerted, so that the adsorbent has the effects of high selectivity, high adsorption capacity, high adsorption rate, stable performance and the like on noble metal ions, and the noble metal is recovered through the separation and recovery unit in the later stage.
Owner:TSINGHUA UNIV

Branched succinimide dispersant compounds and methods of making the compounds

In accordance with the disclosure, one aspect of the present application is directed to a dispersant compound comprising the reaction product of (i) a hydrocarbyl carbonyl compound, (ii) a polycarbonyl compound having at least three carbonyl acylating functions, and (iii) a primary amine moiety of a polyamine. Methods of making and methods of using the dispersant compound are also disclosed.
Owner:AFTON CHEMICAL

Polycarbonyl compound modified graphene oxide for lithium battery electrode material and preparation method thereof

The invention relates to a polycarbonyl compound modified graphene oxide as lithium battery electrode material and a preparation method thereof, belonging to the preparation field of lithium battery electrode material. Polycarbonyl compound, graphene oxide and dicyclohexyl carbodiimide were put into organic solvent, and then reacted at a certain temperature for a period of time, then cooled, filtered and washed to obtain polycarbonyl compound modified graphene oxide. The obtained polycarbonyl compound modified graphene oxide has high specific capacity and excellent cycling stability when usedto prepare lithium battery electrode materials. The method has the advantages of simple process, low cost, low energy consumption, good reproducibility and excellent performance, and is suitable for industrial production.
Owner:CHANGZHOU UNIV

Synthesis method of cyclohexane dimethanol, catalyst and application thereof

The invention provides a synthesis method of cyclohexane dimethanol. The synthesis method comprises the following step: under the action of a catalyst, performing a hydroformylation reaction and a hydrogenation reaction on cyclohexene formaldehyde to obtain the cyclohexane dimethanol, wherein the catalyst comprises a cobalt compound and an organic tricyclohexylphosphine ligand; the cobalt compoundis preferably a hydrogenated polycarbonyl compound of cobalt. By adopting the synthesis method of the cyclohexane dimethanol, provided by the invention, the use of terephthalic acid and the like is avoided, the synthesis technology is simple, and the cost is low.
Owner:WANHUA CHEM GRP CO LTD

Modified and unmodified mesoporous metal-organic framework compounds as well as preparation methods and application thereof

The application discloses a mesoporous metal-organic framework compound and a preparation method thereof. The mesoporous metal-organic framework compound has amino functional groups and carboxyl functional groups on an organic framework. The application further discloses a modified mesoporous metal-organic framework compound and a preparation method thereof. The modified mesoporous metal-organic framework compound is a mesoporous metal-organic framework compound modified by a polycarbonyl aldehyde compound. The mesoporous metal-organic framework compound and the modified mesoporous metal-organic framework compound have the advantages of high CO2 capture ability, good cycling performance, absorbing capacity in the visible area or even near-infrared area and excellent photocatalytic reduction capability; a product is CO and the selectivity is 99 percent or above. The preparation method provided by the application has the advantages of simple and reliable steps, good repeatability, convenience in operation and capability of carrying out large-scale preparation.
Owner:FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI

Modified polymer adsorbent for selectively adsorbing and recycling precious metal ions and preparation method ofmodified polymer adsorbent

The invention provides a modified polymer adsorbent for selectively adsorbing and recovering precious metal ions and a preparation method of the modified polymer adsorbent, and belongs to the technical field of precious metal recovery. The method comprises the following steps: 1) mixing elemental sulfur, a polyamine compound, a polycarbonyl compound and a load substrate, and adding an organic solvent to obtain a solid-liquid mixed solution; 2) in a protective gas atmosphere, carrying out a heating reaction on the solid-liquid mixed solution to obtain a modified polymer mixed solution; and 3) cooling the modified polymer mixed solution to room temperature, washing, centrifuging and drying to obtain a modified polymer adsorbent; wherein the loading substrate is a porous adsorption material. The prepared modified polymer adsorbent is mainly applied to selective adsorption of precious metal ions, and has the effects of high selectivity, high adsorption capacity, high adsorption rate, stable performance and the like on the precious metal ions.
Owner:TSINGHUA UNIV

Photocatalytic hydrogen-production system containing polycarbonyl diiron disulfur cluster compound modified by polymer polyethylenimine as well as preparation method of polycarbonyl diiron disulfur cluster compound and hydrogen-production method

The invention discloses a photocatalytic hydrogen-production system containing a polycarbonyl diiron disulfur cluster compound modified by polymer polyethylenimine. The photocatalytic hydrogen-production system comprises the polycarbonyl diiron disulfur cluster compound modified by polymer polyethylenimine, a photosensitizer, an electronic sacrificial agent and an aqueous solvent. The invention also discloses a preparation method of the polycarbonyl diiron disulfur cluster compound covalently modified by polymer polyethylenimine and a hydrogen-production method by constructing the system through the compound. By the photocatalytic hydrogen-production system disclosed by the invention, hydrogen production can be efficiently performed, especially under neutral condition, the hydrogen-production efficiency under illumination is high, the system has high stability, based on the total volume of the system being 10mL, the hydrogen-production amount each time can reach up to 155mu mol, the hydrogen conversion rate calculated based on the catalyst is up to 10,607 and the composition of the system is cheap and easily available.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

A kind of graphite oxide with multiple carbonyl functional groups and preparation method thereof

ActiveCN110790271BEasy to useIncreased carbonyl contentGraphiteCarbon–carbon bondPotassium manganate
The invention relates to a graphite oxide with multiple carbonyl functional groups and a preparation method thereof. The operation is simple, safe and environmentally friendly. The obtained graphite oxide will not introduce new impurity elements, ensuring the use effect of graphite oxide. Compared with the Hummers method, there is no sodium nitrate in the reactant, and the generation of toxic gases nitric oxide and nitrogen dioxide is avoided. . The use of low-concentration fuming sulfuric acid in the reaction system can effectively absorb the moisture produced by the reaction, ensuring that there is no moisture, no hydroxide and hydrogen ions in the reaction system, so it can ensure that the oxidant potassium permanganate functional group introduced on the graphite base surface does not It will be replaced by hydroxide. Since the volume and mass of the potassium permanganate functional group are much larger than the hydroxide, the steric hindrance generated by the adjacent potassium permanganate functional group on the graphite base surface becomes larger, reducing the stability of the carbon-carbon bond. The carbon-carbon bond is broken, and the carbon atom is further oxidized to form two carbonyl groups, and the carbonyl content in the final product graphite oxide is significantly increased.
Owner:SHANDONG UNIV OF TECH

Photocatalytic hydrogen production system and hydrogen gas preparation method thereof

The invention discloses a photocatalytic hydrogen production system by utilizing a stabilizer. The system comprises a catalyst (polycarbonyl diiron dithiolate cluster compound), a photosensitizer (CdTe, CdSe, CdS quantum dots, and the like), a stabilizer (chitosan, beta-cyclodextrin, sodium polyacrylat, polyvinylpyrrolidone, sodium alginate, poly(N-isopropylacrylamide), polydimethyldiallylammonium chloride, benzalkonium chloride, octadecylmethyldihydroxyethyl ammonium bromide, etc.), an electronic sacrificial body (ascorbic acid), and a water-containing solvent. The photocatalytic hydrogen production system has the advantages of simple preparation, cheap and available components, high hydrogen yield efficiency, and good system stability, the hydrogen yield reaches 162 [mu]mol for a system with a total volume of 10 mL for one time, and the hydrogen conversion number is as high as 1615 calculated on the basis of catalyst. The hydrogen yield is only 7.5 [mu]mol in the same system in the absence of the stabilizer, and the hydrogen conversion number is only 57 calculated on the basis of catalyst.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

High temperature resistant high polymer material

The invention discloses a high temperature resistant high polymer material which comprises the following components in parts by weight: 70-80 parts of polyethylene of which the molecular weight is about 3 million, 4-5 parts of glass fibers, 6-8 parts of a methyl phenyl siloxane branched chain type prepolymer, 2-3 parts of pure ethylene system fibers, 1-3 parts of polyoxalic acid, 4-6 parts of furan resin, 2-4 parts of polycarbonyl imidodicarbonic diamide, 2-4 parts of hydrogenated rosin glycerol ester, 1-3 parts of a foaming agent OBSH, 2-4 parts of PE (Polyethylene) wax with a high molecularweight, 1-3 parts of a catalyst, 2-5 parts of methyl ethyl ketone peroxide and 1-3 parts of a processing aid. By adopting the mode, the high temperature resistant high polymer material has relativelygood high temperature resistant properties and is capable of sufficiently meeting industry requirements.
Owner:天津中硕高分子材料有限公司
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