The copolymer diaminodiphenylamine, polyacrylic acid, divinylbenzene and ethylstyrene as a sorbent for kylinalove orange
(57) Abstract:Usage: sorption kylinalove orange. The inventive amination of a copolymer of methyl acrylate with 3 to 7 wt. % divinylbenzene and 2.7 to 6.4 wt. % ethylstyrene 80 - 90% aqueous solution of Diethylenetriamine at 130 - 145 C. Get the copolymer structure where K = 34,1 to 58.6 mol. % L = 30,7 and 45.5 mol. % , m = 2,1 - 5,1 mol. % , n = 1,9 - 4,6 mol. % . The invention relates to high-molecular cross-link copolymers and is a copolymer of diaminodiphenylamine/ polyacrylic acid/ divinylbenzene and ethylstyrene the following formula:
-CH-CH2- -CH where K = 34,1 to 58.6, L = 30,7 - 45,5, m = 2,1 - 5,1, n = 1,9 - 4,6 mol. % .The copolymer can be used for sorption kylinalove orange at the wastewater treatment plant.The copolymer is obtained by aminating Diethylenetriamine copolymer of methyl acrylate with divinylbenzene/ containing atillery.Known copolymer N - dipropylenetriamine with divinylbenzene/ has the following structural formula:
Such a copolymer is produced by processing of a copolymer of Acrylonitrile and divinylbenzene first Diethylenetriamine, and then acrylic acid, to introduce carbon RevEmu (no more than 0/01 mmol/g).Known polymer constituting the copolymer of N - diacetonitrile with divinylbenzene and utilityroom/ the following structural formula:
This copolymer is a structural analogue and obtained by aminating 70-72% aqueous solution of ethylene diamine copolymer of methyl acrylate with divinylbenzene and utilityroom followed by carboxylation with haloalkaline.The copolymer has a low sorption on kylinalove orange. So when sorption from solution with the concentration of dye 1,510-3M, sorption as when the ratio of solution: the ion exchanger 100: 1 and a ratio of 200: 1 is of 0.003 mmol/gThe aim of the invention is the creation of a copolymer of diaminodiphenylamine and polyacrylic acid with divinylbenzene and atelierul as a sorbent for kylinalove orange.This goal is achieved by aminating a copolymer of methyl acrylate with 3-7 wt. % divinylbenzene and 2.7 to 6.4 wt. % ethylstyrene 80-90% aqueous solution Diethylenetriamine at 130-145aboutC for 10 hThis copolymer allows you to get the sorbent with high sorption capacity of xilinhaote orange, due to the space-separated location and what about the structural analogue to 2 carboxyl groups have 1 amino group.P R I m e R 1. In a three-neck flask with stirrer and reflux condenser load of 100 g of a copolymer of methyl acrylate with 3% divinylbenzene, 2.7% ethylstyrene, 300 ml of 85% aqueous solution Diethylenetriamine, the mixture was kept at a temperature of 130aboutWith over 10 hours Upon completion of the reaction the mixture is cooled to 30aboutWith separate granules, washed with hot water until pH 4.5, the resulting copolymer has a ratio of carboxyl and amino groups of 1: 2.1 and its composition is determined by the following values of the variables in the General structural formula: K = 44.1kHz, L = 41,3, m = 2,1, n = 1,9 mol. % .Elemental analysis
Calculated, % : C 54,5; H 8,2; O 20,9; N 16,4
Found, % : C 52,1; H 7,5; 24,6; N 15,8.The IR spectrum of the copolymer are observed absorption bands: 1550 cm-1and 1660 cm-1- responsible asymmetric stretching stake - banim amide group - 1710 cm-1responds to stretching vibrations of the carboxyl group - C = O.Exchange capacity of the obtained copolymer in sorption kylinalove orange from a solution with a concentration of 1,510-3M when the ratio of solution: copolymer of 100: 1 is 0,063 mmol/g, and at a ratio of 200: 1 is 0.1 mmol/gP R I m m e R 2. In a three-neck flask with stirrer and reflux condenser sea Diethylenetriamine. The mixture was kept at a temperature of 145aboutWith over 10 hours Upon completion of the reaction the mixture is cooled to 30aboutWith separate granules and washed with hot water until pH 4.5.The finished product has a ratio of carboxyl and amino groups of 1: 2,8, and its composition is determined by the following variables in the overall structure of the copolymer, mol. % : K = 51,0, L = 36,4, m = 3,6, n= 3.2.Elemental analysis
Calculated, % : C 55,36; H 8,48; O 17,24; N 17,87
Found, % : C 53,9; H 7,78; O 20,92; N 17,4
The IR spectrum of the copolymer are observed absorption band: 1550 cm-1and 1660 cm-1- responsible asymmetric stretching stake - banim amide group - 1710 cm-1- responds to stretching vibrations of the carboxyl group - C = O.Sorption kylinalove orange from a solution with a concentration of 1,510-3M at a weight ratio of solution: copolymer of 100: 1 is 0,072 mmol/g, and at a ratio of 200: 1 - 0,078 mmol/gP R I m e R 3. In a three-neck flask with stirrer and reflux condenser load of 100 g of a copolymer of methyl acrylate with 3% divinylbenzene and 2.7% of ethylstyrene and add 300 ml of 90% aqueous solution Diethylenetriamine. The mixture was kept at a temperature of 145aboutC for 10 hReceived laundered sopale variables in the General structural formula, mol. % : K = 58,6, L = 30,7, m = 2,1, n = 1,9.Elemental analysis
Calculated, % : From 54.6; H 8,7; 17,1; N 19,6.Found, % : From 52.0; H 8,0; 23,1; N 16,9.The IR spectrum of the copolymer are observed absorption bands: 1550 cm-1and 1660 cm-1- responsible asymmetric stretching stake - banim amide group - 1710 cm-1- responds to stretching vibrations of the carboxyl group - C = O.Sorption kylinalove orange from a solution with a concentration of 1,510-3M when the ratio of solution: copolymer of 100: 1 is 0,057 mmol/g, and at a ratio of 200: (1 - 0,084) mmol/gP R I m e R 4. In a three-neck flask with stirrer and reflux condenser load of 100 g of porous copolymer of methyl acrylate with 7% divinylbenzene and 6.4% of ethylstyrene and add 300 ml of 85% aqueous solution Diethylenetriamine. The mixture was kept at a temperature of 135aboutC for 10 hThe finished product has a ratio of carboxyl and amino groups, as of 1: 1.5, and its composition is determined by the following values of the variables in the General structural formula, in mole percent: = 34,1; L = 45,5, m = 5,1, n = 4,6.Elemental analysis
Calculated, % : C 57,1; H 8,0; O 21,7; N 13,2.Found, % : C 55,2; H 7,2; O 24,6; N 12,9.The IR spectrum of the copolymer are observed poloche VA - Lenten vibrations of the carboxyl group - C = O.Sorption kylinalove orange from a solution with a concentration of 1.5 to 10-3when the ratio of solution: copolymer of 100: 1, is 0,034 mmol/g, at a ratio of 200: (2 - 0,069) mmol/year (56) Japan's Bid N 63-125505, class C 08 F 8/44, published. 1988.USSR author's certificate N 280843, CL 08 J 5/20, 1970. The copolymer diaminodiphenylamine, polyacrylic acid, divinylbenzene and ethylstyrene General formula
< / BR>< / BR>where K = 34,1 to 58.6 mol. % ;
L = 30,7 and 45.5 mol. % ;
m = 2,1 - 5,1 mol. % ;
n = 1,3 - 4,6 mol. % ,
as a sorbent for kylinalove orange.
SUBSTANCE: invention discloses polymer particles with size between 60 nm and 1000 nm and containing a polymer which contains a hydrophobic backbone chain formed by at least one segment which absorbs near-infrared radiation, bonded with chloroform which absorbs near-infrared radiation, having an absorption peak between 700 and 1100 nm; and at least one segment which is transparent for near-infrared radiation. The invention also discloses a method of producing said particles, a coating composition containing said polymer particles and a reactive iodonium oligomer, as well as a negative lithographic offset printing plate which contains a substrate, a hydrophilic bottom layer and a laser-developed top layer, where the laser-developed top layer contains said polymer particles.
EFFECT: disclosed particles enable to obtain coatings which ensure sufficient runability and machine developability of negative lithographic offset printing plates.
32 cl, 35 dwg, 4 tbl, 23 ex
SUBSTANCE: invention describes a copolymer containing monomer units A having a cyano-containing side group, monomer units B having an alkyl and an aryl film-forming side group, monomer units C having a side chain containing poly(ethylene glycol), poly(propylene glycol) and/or statistical poly(ethylene glycol-propylene glycol) and optionally monomer units D having at least one functional group capable of undergoing a crosslinking reaction via cationic polymerisation.
EFFECT: copolymer is further used to produce polymer particles for use in radiation-sensitive coating compositions for negative radiation-sensitive lithographic printing plates.
11 cl, 6 dwg, 2 tbl, 26 ex
FIELD: chemical technology, resins.
SUBSTANCE: invention relates to a method for preparing polyhalide strong-basic anion-exchange resins of gel and macroporous structure designated for disinfection of water in closed ecological objects, domestic drinking water and water from non-checked sources. Polyhalide anion-exchange resins is prepared from strong-basic quaternary ammonium anion-exchange resins in chloride form by their iodination with J2 solution in KJ at stirring, thermostatic control and washing out. Iodination is carried out with triiodide solution on conditioned strong-basic anion-exchange resins in chloride form in the content of strong-basic groups 80%, not less, in the mole ratio anion-exchange resin : triiodide = 1.0:(1.1-1.5). Ready product is kept at 20-55°C additionally. Invention provides preparing polyhalide anion-exchange resins characterizing by high resource in water disinfection and in simultaneous reducing iodine release in disinfecting water in retention of high disinfecting indices.
EFFECT: improved preparing method.
1 tbl, 8 ex
SUBSTANCE: method for preparation of low-basic anionites by suspension copolymerisation of acrylonitrile, methylmethacrylate in amount of З-5 wt.%, content of technical grade divinylbenzene being 9-15 wt.% and concentration thereof being 50-60%, in the presence of benzoperoxide in amount of 3.0 wt.% and blowing agent (alkylbenzine, aviation kerosene, decane) in amount of 40 vol.% as regards to monomer volume in suspension media, which consists of water, 25% of sodium chloride or ammonium chloride and 1.5-2.0% of potato starch, when heated at 50°С for 1 hour, at 61-65°С for 4 hours, at 70°С for 2 hours, at 80°С for 1 hour, followed by amination with diethylenetriamine at 130-145°С for 10 hours in the presence of 1.0-1.5% of element sulphur used as a catalyst.
EFFECT: provides for high osmotic stability and high resistance to organic poisoning.
1 cl, 9 ex
SUBSTANCE: invention pertains to the field of obtaining subacid carboxylic cation exchange resins with a macro-porous structure. The engineering problem is the obtaining of a subacid carboxylic cation exchange resin with high values of capacity and strength characteristics: full exchange capacity of not less than 2.5 mg Eq/cm3, dynamic exchange capacity of not less than 1600 g Eq/m, and osmotic stability of not less than 98%. High capacity and strength characteristics can be achieved due to the structure of the polymer matrix and conditions for obtaining it. A method is proposed for obtaining the subacid carboxylic cation exchange resin though radical suspension copolymerisation of acrylonitrile and methyl methacrylate with divinyl benzene as a cross-agent, taken in percentage mass quantities of 9-12 % at concentration of 50-60 %, in the suspension medium in the presence of sponging agents (alkyl benzene, aviation kerosene) in percentage volume quantities of 40 % of the volume of monomers during heating and sustaining at 50°C temperature for 2 hours, 61°C for 2 hours, 65°C for 3 hours, 70°C for 2 hours, with subsequent basic hydrolysis of the nitrile group using a 25 % water solution of caustic sodium with gradual increase in temperature from 50°C to 110°C and sustenance at temperature of 110°C for a period of 10 hours.
EFFECT: obtaining of a subacid carboxylic cation exchange resin with high values of capacity and strength characteristics.
1 cl, 5 ex
SUBSTANCE: present invention relates to sorption hydrometallurgy of uranium. Described is a pyridine ionite based on a copolymer of styrene and divinylbenzene for sorbing uranium from solutions and pulp, distinguished by that the initial polymer matrix of the ionite additionally contains methacrylic acid in amount of 3.0-6.0 wt %.
EFFECT: obtaining an ionite with improved desorption characteristics; improved cost-performance ratio of the sorption-desorption process of extracting uranium from a solution.
2 cl, 3 tbl, 2 ex
SUBSTANCE: proposed is a method for synthesis of porous weakly-basic anionites through copolymerisation of acrylonitrile and divinylbenzene in the presence of blowing agents and a benzoperoxide polymerisation initiator, with subsequent aminolysis of the copolymers with polyamines with an elementa-y sulphur catalyst, where acrylonitrile and divinylbenzene are copolymerised at pressure 1.2-2.7 atm with addition into the polymerisation mixture of unsaturated compounds selected from a group comprising acrylic esters, styrene, methyl- and ethylstyrene, with content of acrylonitrile not less than 67.5 mol %, divinybenzene 8-20 % and molar ratio of acrylonitrile to the rest of the unsaturated components not greater than 2.5:1, and aminolysis is carried out with triethylene tetramine and diethylene triamine in the presence of 0.1-0.5 % elementary sulphur.
EFFECT: improved method.
1 cl, 4 ex, 1 tbl
SUBSTANCE: invention relates to methods of obtaining weakly acidic carboxylic cationites used in sorption processes in hydrometallurgy, biotechnology and heat engineering. A method is described for obtaining carboxylic cationites through suspension copolymerisation of acrylonitrile, divinylbenzene and methacrylic acid in the presence of a blowing agent and a polymerisation initiator - benzoyl peroxide in a medium of a water-salt solution of potato starch containing 20% sodium or ammonium chloride, or in a medium of an aqueous solution of cellulose, with subsequent alkaline hydrolysis of nitrile groups of the copolymer, with 71-76.5% acrylonitrile, 8-12% divinylbenzene, 5-10% methacrylic acid content in the polymerisation mixture and using a blowing agent in form of butylacetate in amount of 15-40% of the volume of the mixture of monomers.
EFFECT: design of an efficient method of obtaining weakly acidic carboxylic cationites.
4 ex, 1 tbl
SUBSTANCE: described is a deodorant particle having BET specific surface area of 10 m2/g or more, which is obtained via copolymerisation of monomers which include a cross-linking vinyl monomer and a vinyl monomer which bears the heteroaromatic ring. The invention also describes a method of producing the deodorant particle described above, which involves a step for copolymerisation of monomers which include a cross-linking vinyl monomer, and a vinyl monomer which bears the heteroaromatic ring, emulsion polymerisation of oil-in-water or precipitation polymerisation using an organic solvent whose solubility parameters differ from those of said monomers on absolute value by 0-2.0. Described is a deodorant fibre product containing said deodorant particle. The invention also describes a soaking article containing said deodorant particle.
EFFECT: obtaining deodorant particles which have good deodorising capacity and efficiently remove bad smells.
11 cl, 5 dwg, 10 tbl, 38 ex
SUBSTANCE: present invention relates to a mixed basicity anionite which can be used to extract noble metals from hydrometallurgical cyanide solutions and pulp. Described is a mixed basicity anionite for sorption of noble metals from cyanide solutions and pulp, containing benzyl dimethylamine and dibenzyl dimethylamine functional groups, obtained by treating a low-cross-linked porous copolymer of styrene, divinyl benzene and ethyl styrene with a batched mixture of monomers of similar composition, also containing a polymerisation initiator and a blowing agent, followed by secondary polymerisation to form an additional cross-linked polymer in amount of 30-75%, successive chlorination and amination thereof with dimethylamine to introduce benzyl dimethylamine and dibenzyl dimethylammonium functional groups.
EFFECT: improved cost/performance ratio of sorption extraction of noble metals from cyanide solutions and pulp.
1 cl, 3 tbl, 3 ex
SUBSTANCE: claimed invention relates to branched polymers and methods of their obtaining. Described is a branched polymer, consisting of 50-99.8 wt % (of the polymer weight) of units, formed by styrene and/or α-substituted alkyl styrenes - α-methyl-styrene, α-isopropyl-styrene and/or alkyl styrenes with substitution in a benzene ring - 4-methyl-styrene, 3-methyl-styrene, 2,5-dimethyl-styrene, p-tert-butyl-styrene, o-ethyl-styrene, m-ethyl-styrene, p-ethyl-styrene and/or halogen-substituted styrenes - 4-chloro-styrene, 4-bromo-styrene, 0.2-50 wt % of units, formed by isomers of divinylbenzene and/or its substituted analogues - o-divinylbenzene, m-divinylbenzene, p-divinylbenzene, and 0.0001-3.52 wt % of peroxide and/or hydroperoxide groups, with a weight part in it of oxygen atoms, present in the composition of functional groups, formed as a result of a radical-chain monomer or a polymer oxidation in the presence of oxygen - carbonyl, carboxyl, ketone, hydroxyl, peroxide, hydroperoxide, ether, ester groups, not more than 21.0 wt %. Also described are versions of methods of obtaining the said branched polymer, characterised by the fact that the methods are realised in the presence of dissolved in a liquid phase oxygen, concentration of which in the liquid phase is supported at the level not higher than 1.0×10-2 mol/l.
EFFECT: obtaining branched polymers with low content of peroxide groups and high molecular weight, which increases their thermal stability and prevents from changing physical-chemical characteristics in the process of storage and exploitation.
6 cl, 8 dwg, 2 tbl, 5 ex
SUBSTANCE: invention relates to a method of producing a sorbent for selective extraction of scandium ions. The method includes a step for acylation of a styrene and divinylbenzene copolymer with acetylchloride in dichloroethane solution in the presence of anhydrous aluminium chloride, washing and drying, a step for phosphorylation of the acylation product with phosphorus trichloride, a step for hydrolysis with ice water and final washing of the end product. The starting copolymer used is a macroporous copolymer of styrene and divinylbenzene. Acylation is carried out at the boiling point of the acetyl chloride solution. Phosphorylation is carried out by first holding the reaction mass at room temperature and then adding glacial acetic acid and further holding the reaction mass while stirring.
EFFECT: obtaining a complexing sorbent which is highly selective to scandium and improved process.
4 cl, 1 tbl, 2 ex
FIELD: polymer materials.
SUBSTANCE: invention relates to manufacturing sheet organic glass based on methyl methacrylate copolymers and used, in particular, in making glass parts of aircrafts. Starting composition comprises per 100 wt parts of methyl methacrylate/methacrylic acid monomer mixture with 0.05-3.0 wt parts methacrylic acid, following ingredients, wt parts: phenol-type antioxidant 0.01-1.0, organic hydroperoxide 0.05-3.0, substituted thiourea 0.03-1.0, and optionally UV stabilizer 0.1-2.0, and/or UV absorber 0.005-0.5, and/or multifunctional (meth)acrylic ester as crosslinking agent 0.1-15.
EFFECT: increased heat resistance of organic glass up to ability to resist for a short time (up to 1h) heating at temperatures up to 240°C without appearance of visible defects such as bubbles and cracks.
4 cl, 1 tbl, 23 ex
FIELD: chemical industry, chemical technology, polymers.
SUBSTANCE: invention relates to a method for preparing aqueous polymer dispersions of the multipurpose designation. Method for preparing an aqueous dispersion of styrene-acryl copolymer is carried out by preliminary emulsifying a mixture of acrylic monomers with styrene in the presence of emulsifying agent and the following aqueous-emulsion co-polymerization of the reaction mixture in the presence of initiating agent. Monomer mixture comprises additionally acrylamide, and method involves using ammonium persulfate and hydrogen peroxide as an initiating agent. Method involves the successive fractionally dosing feeding ammonium persulfate for two stages followed by addition of a mixture of polymethylsiloxane of molecular mass 55-1000 Da and iron sulfate in their mass ratio = (25-35):1 to the reaction mixture at stirring, cooling the reaction mass and its neutralization to pH = 5-6. Invention provides preparing the stable aqueous polymeric dispersion with diminished size of particles. Invention provides enhancing strength and water resistance of film prepared on its base.
EFFECT: improved preparing method.
1 tbl, 3 ex
FIELD: polymer production.
SUBSTANCE: invention relates to a method for production of high-molecular weight water-soluble polymers used as flocculant at enterprises of water conditioning, petroleum processing, petrochemistry, iron and nonferrous metallurgy, paper-and-pulp, varnish-and-paint, chemical, and other industries. In particular, invention provides a method for production of high-molecular weight (meth)acrylic anionic flocculant via copolymerization of water-soluble anionic ethylenically unsaturated monomer with nonionic ethylenically unsaturated monomer, the former being salt of (meth)acrylic acids and the latter (meth)acrylic acid amide and ester at salt/amide/ester ratio 100:10:(1-6) or 100:(1-6):10. Proposed method leads to production of high-molecular weight (meth)acrylic anionic flocculant in the form of powder with nearly 100% content of principal substance, which is well dissolved in water.
EFFECT: enhanced efficiency in treatment of various disperse systems (industrial effluents).
3 cl, 4 tbl, 4 ex
FIELD: production of sheet organic glass on base of copolymers of methyl methacrylate by method of polymerization in block.
SUBSTANCE: proposed compound contains the following components, parts by mass: methyl methacrylate, 60-70; methacrylic acid, 10-20; 4-chloro-phenyl methacrylate or 2-,4-,6-trichloro-phenyl methacrylate or 2,3, 4, 5,6 pentachlorophenyl methacrylate, 15-25 and polymerization initiating agent, 0.0002-1.0 per 100 parts by mass of monomer mixture. Compound may additionally contain the following components per 100 parts by mass of monomer mixture, parts by mass: UV stabilizer, 0.01-2.0; UV absorber, 0.005-0.5; and cross-linking agent or their mixture, 0.05-10. Glass produced by proposed method is adaptable for glazing of aircraft and helicopters; it may be also used as structural material in shipbuilding, mechanical engineering, instrumentation engineering and other industries.
EFFECT: reduced water absorption; enhanced strength of sheet glass.
2 cl, 1 tbl, 24 ex
FIELD: chemistry of polymers, chemical technology.
SUBSTANCE: invention relates to copolymers consisting of monomers comprising acid groups with double bond and other hydrophobic monomeric component used in prophylaxis of inorganic and organic deposits in water-bearing systems. Invention describes a water-soluble copolymer comprising: (a) monoethylene-unsaturated monomers chosen from group consisting of monocarboxylic acids, dicarboxylic acids and sulfoacids that can be neutralized; (b) at least copolymerizable hydrophobic acrylic, monocyclic and/or bicyclic terpene comprising unsaturated double bond wherein terpene hydrocarbon is preferable, and copolymer is prepared by free-radical copolymerization of components (a) and (b) in an aqueous phase. Also, invention describes a method for synthesis of abovementioned copolymer and methods for its using. Invention provides synthesis of nontoxic copolymer used for prevention of deposits in water-bearing systems that can be easily prepared from available components and able to store for a long time without loss of activity.
EFFECT: improved preparing method, valuable properties of copolymers.
22 cl, 6 tbl, 6 ex
FIELD: polymer materials.
SUBSTANCE: invention relates to use scale formation polymer to prevent and to control formation of scale in water containing systems. Invention is directed to develop scale formation inhibiting labeled polymers, which can be detected in presence of such compounds as antioxidants or in non-regenerated oil. Invention proposes labeled copolymers wherein labeled units are derived from monomer of formula X2C=CYY', in which X, the same of different, represent hydrogen atom or С1-С4-alkyl group, Y hydrogen atom or С1-С4-alkyl group, Y' is group of formula -L-Arom with L being covalent bond or bivalent organic linking group optionally containing heteroatoms and Arom being a group including optionally substituted naphthalene, anthracene, or phenanthrene moiety. A composition containing above-defined polymers as well as a method for preventing and controlling formation of scale such polymers are also proposed.
EFFECT: enabled detection of proposed polymers in presence of other substances.
12 cl, 7 dwg, 5 tbl, 5 ex