265 results about "Anthraquinone Compounds" patented technology

This invention relates to polymerizable ultraviolet light absorbers and yellow colorants and their use in ophthalmic lenses. In particular, this invention relates to polymerizable ultraviolet light absorbing methine compounds and yellow compounds of the methine and anthraquinone classes that block ultraviolet light and/or violet-blue light transmission through ophthalmic lenses.

The invention discloses an oxidized graphene material modified by a water-soluble anthraquinone compound and a preparation method of the graphene material and belongs to the technical field of water treatment of environmental engineering. The mass percent of the water-soluble anthraquinone compound in the material is 1-5%. The preparation method comprises the following steps: dispersing oxidized graphene into de-ionized water; adjusting the pH (Potential of Hydrogen) to 9-11 by using ammonia water; adding diethylenetriamine and reacting under a water bath condition at the temperature of higher than 95 DEG C; drying to obtain amino-modified graphene powder; dispersing the amino-modified graphene powder into a mixed solution of dichloromethane and absolute ethyl alcohol with the volume ratio of not more than 1 to obtain a mixed system in which the mass volume percent of the amino-modified graphene is 0.1%; and adding a dichloromethane solution of an anthraquinone compound containing a sulfonyl chloride radical and reacting at a room temperature. The material has a very good catalytic performance and the anaerobic organism conversion speed of organic matters which are difficult to degrade can be improved; the secondary pollution problem to the environment, caused by the loss of the water-soluble anthraquinone compound, is solved.

The invention belongs to the technical field of crossing of chemical engineering, materials engineering and environmental engineering, particularly relates to an improvement technology of cellulose membrane materials and a chemical grafting and fixing technology for treating anthraquinones compound carriers of wastewater containing nitrogen, and particularly relates to a method for preparing an anthraquinone functional cellulose membrane by fixing an anthraquinone compound on microcrystalline cellulose by chemical grafting. According to the method, the microcrystalline cellulose is used as a raw material; firstly, ionic liquid is used as a solvent for dissolving the microcrystalline cellulose; thionyl chloride modified cellulose is used for preparing cellulose chloride and then the cellulose chloride is reacted with amino anthraquinone in dimethylformamide to prepare an anthraquinone functional cellulose membrane material; the substitution degree of the prepared cellulose chloride can reach 1.89 and the anthraquinone grafting rate of the anthraquinone functional cellulose membrane reaches 82%; the anthraquinone functional cellulose is prepared by the two-step reaction; the content of anthraquinonyl is high and the grafting rate is high; the fixing effect is stable; finally, the anthraquinone functional cellulose is changed into the membrane by a phase transferring method; the membrane material can be used for accelerating and strengthening the biological degradation process in the treatment of the wastewater containing the nitrogen.

The invention discloses a preparation method of a porous inorganic filling materials-fixed quinone compound, belonging to the technical field of water treatment in environmental engineering. The method comprises the following steps of: selecting porous inorganic filling materials such as ceramsites, volcanics and the like; plating gamma-aluminum oxide on the surface of the materials; aminating, so that the surfaces of the porous inorganic filling materials contain a certain quantity of primary amidogen; putting the aminated materials into hydrochloric solution to have reaction for protecting the primary amidogen; and putting the reacted porous inorganic filling materials into sodium hydroxide solution, adding sulfonyl chloride group-containing anthraquinone compound which is dissolved in dichloromethane, and reacting for 6-10h under the room temperature to fix the water-soluble quinone compound. The quinone compound-containing macroporous polymer is applied to an anaerobic reactor to be capable of improving the biotransformation speed of an organic matter which is hardly degraded. The method covalently fixes the quinone compound on the macroporous polymer of a biologic carrier, so that the redox medium is easily contacted with the microbe, thereby overcoming the problem of the secondary pollution since the water-soluble quinone compound flows out with the water.

The invention belongs to the field of water treatment, particularly relates to the field of treatment of pollutant-containing wastewater and relates to a preparation method for grafting an anthraquinone compound on the surface of inorganic filler and application. The preparation method comprises the following steps: taking an epoxy silane coupling agent and the inorganic filler to react, so as toobtain epoxy modified inorganic filler; then taking the epoxy modified inorganic filler and an amino-containing anthraquinone compound to react by utilizing high activity between an epoxy group and amino, so as to obtain the inorganic filler with the surface grafted with the anthraquinone compound. The inorganic filler with the surface grafted with the anthraquinone compound, provided by the invention, can be used for accelerating the degradation of pollutants including azo dyestuffs, nitrate and the like, and can be repeatedly used; the preparation method is wide in raw material source, few in reaction steps and low in cost; the inorganic filler with the surface grafted with the anthraquinone compound can be widely applied to treatment of the wastewater containing the pollutants includingthe azo dyestuffs, the nitrate and the like.

The invention discloses an anthraquinone functionalized polyvinylidene fluoride membrane as well as a preparation method and an application thereof. By means of the characteristic that a polyvinylidene fluoride membrane material can enrich free radicals on the surface under high-energy radiation of ultraviolet light and has a grafting reaction easily, an anthraquinone compound is immobilized on polyvinylidene fluoride under the ultraviolet radiation condition through three steps including preparation of the polyvinylidene fluoride membrane, membrane preprocessing and ultraviolet grafting of the polyvinylidene fluoride membrane, so that the problem that an anthraquinone substance falls off and loses easily from a carrier in a conventional immobilizing method is effectively solved. The modified polyvinylidene fluoride membrane can effectively promote degradation of high-concentration nitrogen-containing wastewater, especially degradation of printing and dyeing wastewater, and has good application prospect in the field of sewage treatment.

The invention discloses a preparation method of a polypyrrole functional mediator doped with a water-soluble anthraquinone or naphthoquinone compound and application thereof. Specifically, the preparation method comprises: (1) preparing a polymerization solution: firstly preparing a saturated solution of the water-soluble anthraquinone or naphthoquinone compound, then adding 0.33-0.67mL of pyrrole to every 100mL of the saturated solution and mixing well; (2) pretreating active carbon felt and platinum plate electrodes; (3) embedding the pretreated platinum plate electrodes in step (2) into the active carbon felt, then conducting electrochemical polymerization in the polymerization solution, with a polymerization potential of 0.30-0.50V, a polymerization time of 1-3h and a potential changerate of 0.03-0.07V/s. The polypyrrole functional mediator provided in the invention plays an accelerating role in a microorganism denitrification process, and is recyclable and free of secondary pollution.

The invention belongs to the field of water treatment, and relates to the field of treatment of pollutant-containing wastewater, in particular to a preparation method and application of an anthraquinone compound modified hydrophilic carrier. Inorganic filler, plastic and other carriers subjected to hydrophilic treatment react with an epoxy silane coupling agent to obtain an epoxy modified carrier,then an epoxy group and an amino-containing anthraquinone compound are used for reacting with an amino-terminated polyethylene glycol, and an anthraquinone compound and polyethylene glycol modified carrier is obtained, wherein the anthraquinone compound accelerates biodegradation of azo dyes, nitrate and the like, and the hydrophilicity of the polyethylene glycol can improve the compatibility ofthe carrier and the water containing the azo dyes, the nitrate and the like, so that the performance of the anthraquinone compound is further improved. The obtained anthraquinone compound modified hydrophilic carrier can be widely applied to sewage treatment.

A liquid crystal composition comprising at least one liquid crystal compound and at least one anthraquinone compound represented by formula (1) below: Formula (1) (wherein R<2 >to R<8 >each independently represents a hydrogen or substituent; Het is a sulfur or oxygen; B<1 >and B<2 >each independently represents an optionally substituted arylene, heteroarylene, cycloalkan-diyl or cycloalken-diyl; Q<1 >is a bivalent linking group; C<1 >is an optionally substituted alkyl, cycloalkyl, alkoxy, alkokycarbonyl or acyloxy; p, q and r each represents a number from 0 to 5 and n is a number from 1 to 3 satisfying 3<=(p+r)xn<=10; when plural {(B<1>)p-(Q<1>)q-(B<2>)r} are present, these may be the same or different) was disclosed.

The invention relates to a preparation method of a graphene oxide and quinone compound co-modified hydroxyl-containing macroporous foam carrier and belongs to the technical field of water treatment in environmental engineering. The preparation method comprises the following steps: preparing a graphene oxide modified polyurethane foam composite material from a hydroxyl-containing macroporous foam material at the room temperature by virtue of a physical adsorption method, and aminating the composite material until graphene oxide and polyurethane foam contain a certain amount of primary amine; and reacting by virtue of an anthraquinone compound containing sulfonyl chloride groups with primary amine, so as to fix a quinone compound, wherein the hydroxyl-containing macroporous foam material can be polyvinyl alcohol foam or polyvinyl alcohol doped polyurethane foam and the like. According to the preparation method, the quinone compound and graphene oxide are simultaneously fixed to the surface of the macroporous foam material, so that the contact among a redox mediator, graphene and microorganisms is facilitated; and the technical bottlenecks that graphene and the water soluble quinone compound in a water treatment system are difficult to be recycled and flow out along with water to cause secondary pollution are solved.

The invention discloses a method for extracting and separating a compound of total anthraquinone in rheum. The method takes an amides ionic liquid displayed in formula (1) as an extractant and extracts the compound of total anthraquinone in rheum from a rheum extract. In formula (1), R1, and R2 are respectively the amide of C1-C10 or alkyl of C1 to C10. L- is one of the followings: BF4-, PF6-, OAC-, CF3SO3-, and N (SO2CF3)2-. The invention takes the amides ionic liquid as the extractant to extract and separate the compound of total anthraquinone in rheum from the rheum extract, which improves the extracting effect. The ionic liquid can be repeatedly used, which is safe, stable and environment friendly. The invention is the most economical and practical environmental protection technology.

The invention discloses a device and a technology employed to hydrogen peroxide purification and relates to the removing of organisms specifically anthraquinone compounds in hydrogen peroxide industrial production. According to the method and the device, the organisms in the hydrogen peroxide are removed deeply by using the method of phase separator and film separation combined technology; the phase separator is the patented product of the company, which is developed by using the principle that the microfiber can coagulate micro liquid drops and thus the phase separator can separate the organisms in the hydrogen peroxide to the solubility limit; then the hydrogen peroxide solution containing saturated organisms enters the film system, wherein the film has the characteristics of selectively transmitting particles and therefore can effectively prevent organism particles from penetrating through and allow the hydrogen peroxide to penetrate through; after the film separation, the content of the organisms in the hydrogen peroxide of a clear solution side can be reduced to about several parts per million (ppm); and the concentrated hydrogen peroxide returns back to the phase separator to separate. With the adoption of the device and the technology, the content of organic carbon in the hydrogen peroxide can be effectively reduced with relatively low investment, and thus the requirement of the sequent processes is satisfied and the national energy conservation policy is met.

The invention belongs to the field of water treatment, relates to the field of treatment of wastewater containing pollutants, and concretely relates to a preparation method and an application of a plastic with an anthraquinone compound-grafted surface. The preparation method comprises the following steps: a plastic is hydrophilically treated with plasma, a strong oxidant, ozone, gamma-ray, an electron beam or an ion beam, and then is treated with an epoxy silane coupling agent to obtain an epoxy modified plastic; and the epoxy modified plastic is reacted with an amino group-containing anthraquinone compound to obtain the plastic with the anthraquinone compound-grafted surface. The plastic with the anthraquinone compound-grafted surface can accelerate the biodegradation of azo dyes, nitrates and the like, can be recycled and reused, can be reused after being simply treated, can be reused for 10 times or above, and can be used to treat wastewater containing azo dyes, nitrates and the like.

The invention relates to the field of organic synthesis and in particular relates to a process for synthesizing an anthraquinone compound. The invention provides a synthesis process for condensing 1,4-dihydroxy anthraquinone and paratoluidine to obtain 1,4-diparatoluidine anthraquinone under the action of a catalyst and carrying out a SO3 sulfonation reaction on the 1,4-diparatoluidine anthraquinone to obtain 1,4-di(2-sulfo-4-methylanilino) anthraquinone under the action of an organic solvent. The conventional process is greatly improved, so that the raw materials are saved, the product quality is improved, the product cost is reduced, and more important, the content of wastewater and waste acid in industrial production is obviously reduced, and the wastes are easily treated and are environment-friendly.

The invention belongs to the field of water treatment, in particular to the field of treatment of pollutant containing wastewater, and relates to a preparation method of fixing an anthraquinone compound on the surface of an inorganic filler, and application thereof. The preparation method comprises the steps of reacting a chloro-propyl silane coupling agent with the inorganic filler to obtain a chloro-propyl group surface modified inorganic filler, and then carrying out dehydrochlorination reaction on the filler and an aminoanthraquinone compound in the presence of an acid-binding agent, thereby obtaining the inorganic filler with the anthraquinone compound fixed on the surface. The inorganic filler can accelerate the degradation of azo dyes, nitrates and other pollutants and can be used repeatedly. The raw materials are easily available, few reaction steps are required, the cost is low, and the inorganic filler can be widely used in treatment of wastewater containing azo dyes, nitrateand the like.

The present invention provides: an Aloe vera extract that can be safely ingested, can be used as a material of food for preventing lifestyle diseases, contains an extremely low level of an anthraquinone (anthraquinone-based compound), and can be added to foods; and a method of producing the Aloe vera extract. A supercritical fluid extraction method can produce an Aloe vera extract containing a mixture that consists of a cyclolanostane compound and a lophenol compound in an amount of 1.0% by mass or more and having the following properties (1) and/or (2):

• (1) the mass mixing ratio of the cyclolanostane compound and lophenol compound is as follows:
  • cyclolanostane compound: lophenol compound=6.3:2.7 to 5.1:4.9; and/or
• (2) the content of an anthraquinone-based compound is 0.001% by mass or less.

The invention belongs to the field of water treatment, and relates to the field of treatment of pollutant-containing wastewater, in particular to plastic with a graphene/anthraquinone compound composite grafted on the surface and a preparing method and application of the plastic. The plastic contains a hydroxyl group, a carboxyl group and other active groups after surface hydrophilic treatment andreacts with an amino-containing silane coupling agent to obtain amino-modified plastic, the amino-modified plastic reacts with graphene oxide, carbonyl diimide and N-hydroxysuccinimide are added foractivating the carboxyl group on the surface of the graphene oxide and react with an amino-modified anthraquinone compound, and the plastic with the graphene/anthraquinone compound grafted on the surface is obtained after the graphene oxide is reduced. The biodegradation of azo dyes, nitrate and the like can be accelerated, the recycling frequency reaches 10 times or above, and the plastic can bewidely applied to sewage treatment.

The invention provides a method for improving output of an anticancer anthraquinone compound 1403C generated by Fusarium proliferatum (No.1403) via utilizing different vaccination ways. The method comprises the following steps: a conical flask with a baffle is adopted to cultivate seeds for grinding inoculation, the seeds cultivated by the conical flask with the baffle are directly inoculated, and seeds cultivated by glass beads are added into the conical flask, therefore, the 1403C yield obtained by fermentation is improved to different degrees compared with the yield obtained by fermentation for cultivating seeds (control group) in a traditional inoculation way, wherein the maximum 1403C yield is 1.13g/L, which is improved by 289.7% compared with 0.29g/L yield of the control group. The invention has vital significance for further performing 1403C anti-cancer pharmacological effect experiments.

A catalyzer used in pulping without steam cooking which consists of at least one enzyme, one anthraquinone compound, one permeate agent, EDTA sodium salt , oxidative bleacher and alkali. Soak fibrous material in solution of this catalyzer for 2 to 6 hours and its OK.The soak separated after reaction shows light yellow color and can be reutilized owing to the low temperature. Other adventages are low energy consumption, high productivity and low cost.