Polyazomethine based on 5,5'-methylenebisacrylamide aldehyde and diamine fluorophore
(57) Abstract:The inventive proposed new phosphors - polyazomethine based on 5,5'-methylenebisacrylamide aldehyde and 9,10-bis-(p-AMINOPHENYL)anthracene (I) or on the basis of 5.5*-methylenebisacrylamide aldehyde and chloride unsubstituted, rhodamine (II). New phosphors obtained by polycondensation of a diamine of the fluorophore with 5,5'-methylenebisacrylamide aldehyde in the environment of N-methylpyrrolidone at 140 - 150oC in a stream of argon in vacuum (100 mm RT.CT.) for 5 to 7 hours. The resulting polymers are powder light brown colour /polymer 1/ and maroon color /polymer 2/. According to the dynamic thermogravimetric analysis in air temperature of the beginning of decomposition of these substances reaches 400oC, the temperature at which deformation is 250 - 340oC. Data IR spectrometry confirmed the presence of characteristic polyazomethines strip = 1620 cm-1. table 1. The invention relates to organic chemistry and is a new polymer-based 5,5'-methylenebisacrylamide aldehyde and diamine fluorophore General formula:
where n= 6-9,
< / BR>The claimed connection most effective is e active element in laser technology.The specified connection, its properties are not described in literature.Known polymer phosphors with different structures [1,2] obtained by polycondensation of diamines with dialdehyde. However, these compounds do not exhibit fluorescence in powders and solutions at room temperatures.Known polyazomethine based on 9,10-bis-(n-lipogenic)anthracene and terephthalic aldehyde  which is high-efficiency phosphor, but he only soluble in formic acid and sulphuric acid, which significantly complicates its practical use.The task of the invention to provide a new polymer soluble in aprotic organic solvents and having a high quantum yield of luminescence.The problem is solved in that the substance of the mentioned formula is obtained by polycondensation of diamines fluorophores with 5,5'-methylenebisacrylamide aldehyde in the environment of N-methylpyrrolidone at T=140-150oC in a stream of argon, vacuum (100 mm RT. St) for 5-7 hours At the end of the reaction the reaction mixture is then poured into the precipitator, the precipitate is filtered off, periostat, dried at 100oC/1 mm RT.article within 20 amThe resulting polymers are powder the ski thermogravimetric analysis in air temperature of the beginning of decomposition of these substances reaches 400oC, the temperature at which deformation is 250-340oC. Data IR spectrometry confirmed the presence of characteristic polyazomethines strip = 1620 cm-1.
Example 1. Polyazomethine based on 5,5'-methylenebisacrylamide aldehyde and 9,10-bis-(n-AMINOPHENYL)anthracene.In a three-neck flask equipped with thermometer, capillary to enter an inert gas, fall asleep 0,381 g (0,0011 M) 9,10-bis(n-AMINOPHENYL)anthracene and fill of 13.75 ml of N-methylpyrrolidone. By passing an inert gas is heated the reaction mass to 70oC to dissolve 9,10-bis-(p-AMINOPHENYL)anthracene. Then fall asleep 0,271 g (0,0011 M ) 5,5'-methylenebisacrylamide aldehyde and conduct the reaction at T 140-150oC for 5 h in a current of inert gas under vacuum (100 mm RT. Art.). Upon completion of the reaction, the reaction mixture was poured into ethyl alcohol, precipitated precipitate is filtered off, washed with alcohol and periostat from dimethylformamide in acetone. The polymer is dried in vacuum. Gain of 0.51 g(yield-80%) of product.The formula of the polymer
< / BR>where n 6-9.The degree of polymerization (n) was determined from data on the size srednevekovoi molecular weight, obtained by the method of the unsteady sedimentation equilibrium method Archibald) 
The floor is alcohol, acetone is 0,028 g/DL, solubility in dimethylformamide 0.28 g/DL. The polymer prototype in these solvents do not dissolve.Given the viscosity of the polymer solution in N-organic at 20oC of 0.14 DL/gThe data of elemental analysis (%):
Calculated With 84,82; H 4,82; N 4,82.Found, C 79,69; H Of 5.05; N 4,00.Example 2. Polyazomethine based on 5,5'-methylenebisacrylamide aldehyde and chloride unsubstituted rhodamine.In a three-neck flask equipped with thermometer, capillary to enter an inert gas, fall asleep 0.50 g (0,00125 M ) chloride unsubstituted rhodamine. The reaction mass is heated to 70oC to dissolve the chloride unsubstituted rhodamine. Then fall asleep 0.32 g (0,00125 M ) 5,5'-methylenebisacrylamide aldehyde and conduct the reaction at T=140-150oC for 7 h in a current of inert gas under vacuum (100 mm RT. Art.). Upon completion of the reaction, the reaction mixture was poured into acetone, precipitated precipitate is filtered off, washed with acetone and periostat of N-methylpyrrolidone in a mixture of sulphuric ether: ethanol (2:1, by vol.). The polymer is dried in vacuum. Obtain 0.6 g(yield-82%) of product.The formula of the polymer:
< / BR>where n 6 9
The degree of polymerization was determined from data on the size of redliner soluble in aprotic solvents, in formic and sulfuric acids. The solubility of the polymer in ethyl alcohol, acetone is 0.025 g/DL, solubility in dimethylformamide, 0.5 g/DL. The polymer prototype in these solvents do not dissolve.Given the viscosity of the polymer solution in N-organic at 25oC of 0.14 DL/gElemental analysis data.Calculated With 71,61; H To 3.92; N 4,78.Found, C 70,11; H Of 3.97; N 3,83.The table shows the spectral-luminescent characteristics of the obtained polyazomethines.Values of the quantum luminescence outputs defined for concentrations C=110(-5)-110(-3) mol/l at T=20oC.The use of the claimed substance allows to obtain an effective y polymers, soluble in aprotic organic solvents, while similar y polyazomethine they are not soluble in Addition, the inventive polymers are characterized by high values of the quantum outputs the luminescence of solutions in aprotic solvents in the temperature range 20-50oC (see table). Polyazomethine based on 5,5'-methylenebisacrylamide aldehyde and diamine-fluorophore General formula
< / BR>where n 6 9;
FIELD: chemistry of polymers, leather industry, chemical technology.
SUBSTANCE: invention relates to a method for preparing polymeric products that are used in processes for dressing leather or fur, in treatment and disinfection of natural and sewage waters. Method for preparing polymeric products involves the hydroxymethylation reaction of polyhexamethylene guanidine chloride with formaldehyde and arylation reaction of prepared product with aromatic compound comprising o-amino- or o-hydroxy-groups. The hydroxymethylation reaction is carried out in the presence of acetic acid or formic acid up to formation of trimethylol derivative of polyhexamethylene guanidine chloride. In some cases the arylation product is subjected for complex formation with transient metal salt or azo-coupling reaction with diazonium salt taken among group including sulfanilic acid, naphthionic acid, j-naphthyls, p-nitroaniline, 2,6-dichloro-4-nitroaniline. Invention provides simplifying, accelerating and enhancing the effectiveness of process in dressing leathers with derivatives of polyhexamethylene guanidine showing tanning effect, staining properties, flocculating capacity and high antibacterial activity.
EFFECT: improved preparing method.
3 cl, 1 tbl, 9 ex
FIELD: nonferrous metallurgy industry; aircraft industry; other industries; production of the heat-resistant alloys on the basis of the nickel.
SUBSTANCE: the invention is pertaining to the dispergated coloring agents intended for the ink-jet recording. The invention describes the dispergated coloring agent containing the coloring agent and the pseudo-finely-dispergated particles of the polarizable polymer having the dimension less, than the particles of the coloring agent. In the dispergated coloring agent the coloring agent itself and the particles of the polarizable polymer are attached to each other. At that the pseudo-finely-dispergated particles of the polarizable polymer contain the interpolymer consisting of the monomeric components containing, at least, one type of the hydrophobic monomer and, at least, one type of the hydrophilic monomer, where the hydrophobic monomer contains, at least, the monomer having the methyl group in α - position and the radically-polymerizable non-saturated double bond. The invention also describes the method of production of the indicated dispergated coloring agent and the water ink produced on its basis. The presented dispergated coloring agent has the high stability for a long time and practically in the absence of the surface-active substance or the dispergator. The ink produced on its basis has stability of blowout in the ink-jet printing method.
EFFECT: the invention ensures, that the ink produced on the basis of the presented dispergated coloring agent has the high stability of blowout in the ink-jet printing method.
20 cl, 14 dwg, 7 tbl, 15 ex
SUBSTANCE: present invention pertains to new photochromic monomers
Alk=CH3-C10H21 X=Cl, Br, I, F, NH2, CH2OH, CH2Cl, CH2Br, CHO, CO2H, method of obtaining them, photochromic polymers- polyazomethines, which are reversibly photocontrolled due to introduction into their structure, of dihetarylenthane class photochromic fragments.
EFFECT: obtaining new photochromic photocontrolled polymers for designing new information technologies.
8 cl, 25 dwg, 15 ex
SUBSTANCE: present invention relates to a method of marking materials with coded microparticles. Described is a method of marking materials with coded microparticles, characterised by that the coded microparticles used are obtained (i) through polymerisation of at least one water-soluble monoethylene unsaturated monomer in the presence of at least one ethylene unsaturated monomer containing at least two double bonds in a molecule, through reverse suspension polymerisation of water in oil, where the suspension agent used is doped nanoparticles, or (ii) emulsion polymerisation of water-insoluble monoethylene unsaturated monomers containing 0-10 wt %, in terms of the mixture of monomers, of at least one ethylene unsaturated monomer containing at least two double bonds in a molecule, where the emulsifying agent for stabilising the dispersion phase is in form of doped nanoparticles, or (iii) polymerisation of at least one ethylene unsaturated monomer and a copolymerisable dye containing an ethylene unsaturated double bond and, if needed, agglomeration of these particles, where during polymerisation in accordance with (i) and (ii), nanoparticles used are radioactively doped or doped with at least one dye and one compound from the group of rare-earth elements of the periodic table. Described also are materials containing coded microparticles for marking, obtained using the described method. The invention describes use of coded microparticles obtained using the described method.
EFFECT: novel method of marking materials.
14 cl, 1 tbl, 14 ex
SUBSTANCE: the invention relates to polymer colouring agents used in coating compositions to protect the image forming layer of the offset plates. Described are a new water-soluble polymer colouring agent with the absorption band ranging from about 300 nm to about 600 nm, and a coating composition for a thermographic offset plate which comprises: (a) the said polymer colouring agent with the absorption band ranging from about 300 nm to about 600 nm, and (b) organic microparticles which contain cross-linked copolymers of acrylate ot methylacrylate and styrole, 2-hydroxymethylacrylate, methacrylate, poly(oxyethylene)methacrylate or a linear or branched alkylmethacrylate; or inorganic nanoparticles containing silicone oxide or aluminium oxide. Described is the thermographic offset plate for reverse printing, containing (a) water receptive plate, (b) a layer positioned on the plate which forms the image in the near-infrared region, and (c) the coating layer which is positioned on the image-forming layer and contains the said coating composition.
EFFECT: reduction or elimination of background filling of the offset plates in the conditions of white light, elimination of the need to use separating paper when packaging offset plates.
7 cl, 10 dwg, 13 ex
FIELD: physics, optics.
SUBSTANCE: invention relates to visible light absorbers, particularly novel azo compound monomers, particularly suitable for use in materials for implantable ophthalmic lens materials. The ophthalmic device material includes an azo compound, a device forming acrylic monomer and a cross-linking agent. The ophthalmic device is made from the ophthalmic device material and is in the form of intraocular lenses, contact lenses, keratoprostheses and corneal inlays or rings.
EFFECT: azo compounds are suitable for use as monomers which absorb part of the visible light spectrum (about 380-495 nm).
17 cl, 6 dwg, 3 tbl
SUBSTANCE: invention relates to material for an ophthalmic device, comprising: a) a UV/visible light absorbent of Formula A or Formula B:
where R1=H, CH3, CH2CH3 or CH2OH; R2=C1-C4 alkyl or C1-C4 alkoxy; R3=H, CH3, CH3O, F, Cl, Br, I or CF3;
where X=C3-C4 alkenyl, C3-C4 alkyl, CH2CH2CH2SCH2CH2 or CH2CH2CH2SCH2CH2CH2; Y= is absent, if X=C3-C4 alkenyl, in another case Y=-O-C(=O)-C(R1)=CH2, -O-C(=O)NHCH2CH2OC(=O)-C(R1)=CH2 or -O-C(=O)NHC(CH3)2(C6H4)C(CH3)=CH2; R1=H, CH3, CH2CH3 or CH2OH; R2=C1-C4 alkyl; and R3=H, CH3, CH3O, F, Cl, Br, I or CF3; and b) a blue light chromophore; and c) polymer material which forms the device, where the UV/visible light absorbent is used in concentration not higher than 4.0% in the material, and demonstrates less than 10% light transmission at wavelength of 440 nm. The invention also relates to an implantable ophthalmic device.
EFFECT: obtaining materials for an ophthalmic device which enable to cut off blue and ultraviolet colour at low UV concentrations.
17 cl, 4 dwg, 2 tbl, 2 ex
SUBSTANCE: invention relates to azocompounds, corresponding to general formula, represented below, in which R1 represents C(O)C(CH3)=CH2;R2 represents H; R3 represents C1-C4alkyl or XOC(O)C(CH3)=CH2; X represents C1-C4alkyl. The invention also relates to material for ophthalmological device, which contains said azocompound, to ophthalmological device, made of said material, and intraocular lens, made of material that includes azocompound.
EFFECT: azocompounds, absorbing visible radiation, which are capable to copolymerisation with other compounds in materials for ophthalmological devices.
11 cl, 5 dwg, 5 tbl, 8 ex
FIELD: pulp and paper industry.
SUBSTANCE: invention relates to production of a dye with a starch component, which can be used in pulp and paper industry. Method of producing a dye with a starch component includes production of the starch component from a group of native starch or modified starch and its further reaction with an organic dye using mechanical mixing with the weight ratio of 1:1 or 1:2 respectively or adding 15-20 wt% of the dye to 5-10 % of the starch component suspension after correcting pH with subsequent spray drying. Dye is selected from any class of organic dyes.
EFFECT: obtained starch-containing dye has improved adhesion properties and improved consumer properties due to providing simultaneous colouring in a wide range of colors and surface glueing of the paper.
1 cl, 4 ex
SUBSTANCE: invention relates to quaterrylene and/or terrylene dyes covalently bonded with a polymer, intended for use in printing ink. Described is a method of increasing solubility and/or dispersibility quaterrylene and/or terrylene dye in liquid medium. Method involves covalent bonding of said dye and polymer, soluble in said liquid medium. Said polymer contains phenol resin, in which phenol fragments are substituted with C1-C10-alkyl. Invention also describes printing ink composition containing polar liquid medium, in which is dissolved or dispersed at least one said polymer-covalently bonded quaterrylene and/or terrylene dye, and obtained using composition marking or protective element.
EFFECT: invention provides higher solubility and/or dispersibility of quaterrylene and/or terrylene dyes in printing ink liquid medium and possibility of using said dyes for authenticating articles.
18 cl, 6 tbl, 2 ex