Polymer composition to obtain films

 

(57) Abstract:

The use of the invention: receiving fluorescent and selectively absorb radiation of films that can be used in agriculture. The inventive composition includes 0,02 0,20% active additives, rest of (co)polymer of ethylene. Active additive solid product of the interaction of solutions of europium nitrate, lanthanum nitrate and 1,10-phenanthroline (FENG) in isopropyl alcohol at a molar ratio of europium nitrate and lanthanum nitrate from 0.3 to 1 1 to 20 and the molar ratio of metal nitrates and hair DRYERS 1 2 xy, where x and y are the number of moles of europium nitrate and lanthanum nitrate. table 1.

The invention relates to polymeric compositions for the preparation of fluorescent and selectively absorb radiation materials that can be used in agriculture for the manufacture of films, transforming the UV component of natural or artificial light emission of the red region of the spectrum.

Known polymer composition to obtain films, including polyethylene and as an active additive compound of europium nitrate with donor ligands [1]

A disadvantage of the known compositions is the most approximate to the invention is known composition to obtain films, containing (co)polymer of ethylene and an active additive mixture of complex compounds nitrate and thenoyltrifluoroacetone europium with 1,10-phenanthroline and benzoylbenzoate europium from 4.4-dipyridylium [2]

The specified polymer composition has insufficient high intensity luminescence obtained from her films and photolytic stability of the phosphor in the film (no more than 200 days).

The aim of the invention is to increase the intensity of luminescence of the films and photolytic stability of the phosphor in the film.

This technical result is achieved in that the polymer composition to obtain films, including (co)polymer of ethylene and an active additive, as the latter contains a solid product of the interaction of solutions of europium nitrate, lanthanum nitrate and 1,10-phenanthroline (DRYER) in isopropyl alcohol at a molar ratio of europium nitrate and lanthanum nitrate from 1:0.3 to 1: 20, 0mm and a molar ratio of metal nitrates and 1,10-phenanthroline 1:2xy, where x and y are the number of moles of europium nitrate and lanthanum nitrate, respectively, in the following ratio, wt.

Active additive 0,02-0,20

(co)Polymer of ethylene Else

The invention consists in astonaut at 70aboutWith isopropyl alcohol, then poured with stirring isopropyl alcohol containing HAIRDRYER, precipitated white precipitate is filtered off and dried in vacuum at 100aboutC. the Output of the additive to 99.5%

Active Supplement, taken in the form of loose powder, mixed with granules (co)polymer, for example polyethylene brand 15313-003, and processed by extrusion into a film according to GOST 10354-82.

The invention is illustrated in the examples presented in the table. In examples 1-3 the basis of the composition is polyethylene, in examples 4-6 is a copolymer of ethylene with vinyl acetate. Force at elongation of the films based on polyethylene in the longitudinal direction to 15.7 MPa, transverse to owed 161.1 MPa, elongation at break in the longitudinal direction up to 720% in the transverse to 830%

POLYMER COMPOSITION TO OBTAIN FILMS, including (co) polymer of ethylene and an active additive, characterized in that as an active additives it contains a solid product of the interaction of solutions of europium nitrate, lanthanum nitrate and 1,10-phenanthroline in isopropyl alcohol at a molar ratio of europium nitrate and lanthanum nitrate from 1:0.3 to 1:20 and the molar ratio of metal nitrates and 1,10-phenanthroline 1:2xy, where x and y the number m is P> The specified active additive 0,02 0,20

(Co)polymer of ethylene Else

 

Same patents:

The invention relates to polymeric compositions for the preparation of fluorescent and selectively absorb radiation materials that can be used in agriculture for the manufacture of films, transforming the UV component of natural or artificial light emission of the red region of the spectrum

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Epoxy binder // 2015997
The invention relates to the production of epoxy resins used to produce composite materials (KM), in particular fiberglass

FIELD: rubber industry.

SUBSTANCE: invention relates to preparation of petroleum-origin plasticizers for synthetic rubber and tires. In particular, extract obtained from purification of petroleum oil fractions with selective solvents is treated by dimethylsulfoxide at weight ratio 1:(2.0-4.0), respectively, at 30-120°C and resulting raffinate is used as target product. Advantageously, extract is preliminarily diluted with paraffin-naphthene solvent at weight ratio 1:(0.1-0.5), respectively. Extract is of residual type or a mixture of the latter with distillate extract.

EFFECT: reduced level of carcinogenic polycyclic aromatics in plasticizer.

3 cl, 1 tbl, 7 ex

FIELD: chemistry.

SUBSTANCE: invention relates to a photopolymerising composition. The composition contains polysulfone based on 2,2-bis(4-oxyphenyl)propane and 4,4'-dichlorodiphenylsulfone with molecular weight of 40000-56000, a solvent, a polymerisable compound and a photoinitiator. The solvent contained in the composition is styrene, the polymerisable compound is a product of reacting diacyl chloride of methyl-phosphonic acid with glycidyl methacrylate with molecular weight of 417.2 g/mol, with 17.03% and 7.43% content of chlorine and phosphorus respectively, and the photoinitiator is 2,4,6-trimethylbenzoyl diphenylphosphine oxide. The components are in the following ratio (pts. wt): polysufone based on 2,2-bis(4-oxyphenyl)propane and 4,4'-dichlorodiphenylsulfone with molecular weight of 40000-56000 35-45, styrene 65-55, product of reacting diacyl chloride of methyl-phosphonic acid with glycidyl methacrylate with molecular weight of 417.2 g/mol, with 17.03% and 7.43% content of chlorine and phosphorus respectively 20-30, 2,4,6-trimethylbenzoyl diphenylphosphine oxide 3-5.

EFFECT: invention enables to obtain low flammability materials, enables formation of a coating with thickness of 0,4-0,6 mm in a single process step with minimal percentage of volatile components.

6 ex, 2 tbl

Modified bitumen // 2461594

FIELD: chemistry.

SUBSTANCE: modified bitumen contains an amine adhesion activator. Components are in the following ratio in wt %: amine adhesion activator 0.5-2.0, bitumen - up to 100. The amine adhesion activator used is a product of reaction of boric acid, diethanolamine and a mixture of C6-C20 plant oil fatty acids, with molar ratio of reactants of 1:3:(0.5-2.5), respectively.

EFFECT: use of the modified bitumen enables to obtain hydrophobic structural materials and protective coatings with high biostability.

5 tbl, 5 ex

FIELD: chemistry.

SUBSTANCE: invention relates to a composite moisture-retaining material, which can be used in crop production for the improvement of water-air and nutritional mode of soil, as well as for the recovery of vegetation on soils of various types. The composite moisture-retaining material is made on the base of acryl copolymer and filler. The acryl copolymer is made on the base of acrylamide and acrylic acid salts with a ratio of 20/80-80/20 mol. % in the presence of a cross-linking agent N,N'-methylene-bis-acrylamide and a polymerisation initiator. As the filler used is a mixture of wastes of biocatalytic productions of acryl monomers and acids of humic acids with a ratio of 99/70-1/30 wt % by dry substance in the form of a water paste or a dry powder-like form. The total content of the filler constitutes to 60 wt %. A method of obtaining the composite moisture-retaining material is described.

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2 cl, 1 tbl, 10 ex

Adhesive additive // 2577833

FIELD: chemistry.

SUBSTANCE: group of the inventions relates to glue composite composition based on lignocelluloses and composite, which includes composition by the invention. Composition includes glue and adhesive additive, which represents water-soluble polymer with specified number average molecular weight and specified viscosity with content of solid substances in water at T 22°C equals 5%.

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10 cl, 5 tbl, 7 ex

FIELD: chemistry.

SUBSTANCE: invention relates to the polymer composite moisture-retaining material, which can be used in the growing of modern technologies for intensive farming and for greening of urban and industrial landscapes and erosion protection of the surface. The composite moisture-retaining material is based on an acrylic copolymer and a filler. The acrylic copolymer is based on acrylamide and acrylic acid salts at a ratio of 25/75-75/25 mol % in the presence of a N,N'-methylene-bis-acrylamide crosslinking agent and a polymerization initiator. As a filler, a mechanically activated peat filler is used, which is a fine dried peat (the grinding degree is less than 0.3 mm) in an amount up to 65 wt % of the number of monomers based on the dry weight. A method for producing a polymer composite moisture-retaining material is described.

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2 cl, 1 tbl, 10 ex

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EFFECT: economy method for production of complex curing accelerator from inexpensive raw material by simplified technology.

1 tbl, 7 ex

Epoxide composition // 2383568

FIELD: chemistry.

SUBSTANCE: epoxide composition can be used as binder during production of composite materials, adhesive and filling compositions in automobile, electrical and other industries. Described is an epoxide composition which contains epoxy diane resin, phosphate modifier, amine hardener and hardening initiator - complex of tris(halogenalkyl)phosphate (THAP) with tin or titanium chloride with general formula 2[(RO)3 P=O]•ECl4, where E=Sn,Ti, R= -CH3C6H4, -CH2CH2CI, -CH2CH(CI)CH3.

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1 cl, 2 tbl, 6 ex

FIELD: chemistry.

SUBSTANCE: invention relates to catalysis and preparation of dicyclopentadiene metathesis polymerisation catalysts. The metathesis polymerisation catalyst has the formula: , where L is a substitute selected from the group: , , . Several methods of preparing the catalyst are disclosed. The method of preparing the catalyst having formula , where , , is characterised by that, a second generation Grubbs catalyst is reacted with N,N-dialkyl-(2-vinylbenzyl)amine or 4-(2-vinylbenzyl)morpholine in an inert atmosphere at 60-85°C in the presence of a solvent, where the dialkyl- is methylethyl- or methyl(2-methoxyethyl). The method of preparing the catalyst formula , where L is a substitute selected from the group: , , , , involves reacting a ruthenium triphenylphosphine complex with 1,1-diphenyl-2-propyn-1-ol in tetrahydrofuran at boiling point of the solvent in an inert atmosphere and then with tricyclohexylphosphine at room temperature in an inert atmosphere. The ruthenium indenylidene complex formed is extracted and then, successively in the same reactor, reacted with 1,3-bis-(2,4,6-trimethylphenyl)-2-trichloromethylimidazolidine and 2-(N,N-dialkylaminomethyl)styrene or 1-(2-vinylbenzyl)pyrrolidine or 4-(2-vinylbenzyl)morpholine in toluene while heating to 60-70°C in an inert atmosphere. The dialkyl- is diethyl-, methylethyl- or methyl(2-methoxyethyl)-. A dicyclopentadiene metathesis polymerisation method is disclosed, which involves polymerisation using the catalyst in paragraph 1 in molar ratio substrate: catalyst ranging from 70000:1 to 200000:1.

EFFECT: invention increases catalyst output and simplifies synthesis by reducing the number of steps, and also enables to obtain polydicyclopentadiene with good application properties.

4 cl, 1 tbl, 22 ex

FIELD: chemistry.

SUBSTANCE: invention relates to organometallic chemistry, in particular to novel complexes of group 8 transition metals, which are used as polymerisation catalysts of cyclic olefins, particularly dicyclopentadiene (DCPD). The catalyst is a ruthenium complex compound of general formula (1), having ligands in form of 1,3-dimesitylimidazolidinylidene, two chlorine atoms and substituted benzylidene. The substitute in the benzylidene ligand is an amino-substituted methyl group, where the amine is a di(hydroxyalkyl)amino group, as well as piperidine. The amine-containing substitute also coordinates to the ruthenium atom and forms a six-member chelate ring where X=N (Alk-OH)2, (CH2)5N , where Alk is a straight saturated hydrocarbon chain containing 2 carbon atoms. The method of preparing the catalyst involves successive reaction in a single reactor of 1,3-dimesityl-4,5-dihydro-imidazolium chloride with potassium tert-butoxide, first generation Grubb's catalyst (GrI) and then amino-containing styrene.

EFFECT: simple technology of obtaining an efficient catalyst for metathesis polymerisation of dicyclopentadiene.

2 cl, 2 ex

FIELD: chemistry.

SUBSTANCE: invention relates to novel complexes of group 8 transition metals, which are used as polymerisation catalysts for cyclic olefins, particularly dicyclopentadiene (DCPD). Described is a catalyst for metathesis polymerisation of dicyclopentadiene which is a ruthenium complex compound, having ligands in form of 1,3-bis-(2,6-dimethylphenyl)-2-imidazolidinylidene, two chromium atoms and ortho-substituted benzylidene. The substitute in the benzylidene ligand is an amino-substituted methyl group, where the amine is a dialkylamino-, di(2-hydroxyethyl)amino-, alkylphenylamino-group, as well as cyclic amines, particularly piperidine and morpholine; the catalyst has general formula: , where X=(Alk)2N, N(CH2-CH2-OH)2, piperidine, morpholine, NAlkPh; Alk=CH3, C2H5; Ph is phenyl. Described also is a catalyst for metathesis polymerisation of dicyclopentadiene, which is a ruthenium complex compound having ligands in form of 1,3-bis-(2,4,6-trimethylphenyl)-2-imidazolidinylidene, two chromium atoms and ortho-substituted benzylidene. The substitute in the benzylidene ligand is an alkylphenylamino-substituted methyl group. The catalyst has general formula: Alk=CH3, C2H5; Ph=phenyl. The invention describes methods of producing polydicyclopentadiene, involving polymerisation of dicyclopentadiene in the presence of the described catalysts, as well as catalysts which are compounds of [1,3-bis-(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro(2-(N,N-bis(2-hydroxyethyl)aminomethyl)benzylidene)ruthenium or a compound of [1,3-bis-(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro(o-9piperidin-1-ylmethyl)benzylidene)ruthenium with molar ratio of monomer: catalyst ranging from 70000:1 to 250000:1.

EFFECT: reduced unit consumption of catalyst, which leads to low cost of polydicyclopentadiene, possibility of controlling the starting time of the polymerisation process.

5 cl, 9 ex

FIELD: chemistry.

SUBSTANCE: sealing composite material contains low-molecular weight dimethylsiloxane rubber SKTN, silicone rubber SKT, a curing agent in form of a mixture of tetraethoxysilane or derivatives thereof with an organotin catalyst.

EFFECT: reliable sealing of industrial equipment for the entire process cycle, optimum combination of initial viscous-flow properties and physical and mechanical properties of the vulcanisate, and easy and flawless depressurisation of industrial equipment.

3 tbl, 9 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to a refractory composition for making casting moulds. The composition contains (a) at least 85 pts.wt refractory material, (b) 0.5-10 pts.wt binder and (c) manganese cyclopentadienyl tricarbonyl, a derivative thereof, in amount of about 0.0005 pts.wt to about 4 pts.wt, where the parts by weight are given with respect to 100 pts.wt of the refractory composition. Also disclosed are methods of making a casting mould and a method of moulding metal parts.

EFFECT: invention enables to make casting moulds with improved exothermic properties.

13 cl, 4 tbl, 2 ex

FIELD: chemistry.

SUBSTANCE: invention relates to a polypropylene polymer composition which contains phenol antioxidants and use of talc with an organometallic coating in polymer compositions. The polymer composition contains: (a) at least 50 wt % polypropylene; (b) 10000-400000 ppm coated talc; (c) 100-5000 ppm phenol antioxidants, and (d) optionally 100-5000 ppm phosphorus-containing antioxidants. The coated talc is used in the polypropylene composition to provide emission of volatile compounds from the product, measured according to VDA 277 standards, (a) all volatile compounds of the polymer composition in total amount of 120 mcg/g or less and/or (b) 2-methyl-propene of said polymer composition in amount of not more than 70 mcg/g.

EFFECT: obtaining a polypropylene polymer composition which contains phenol antioxidants.

14 cl, 1 tbl, 1 ex

FIELD: chemistry.

SUBSTANCE: invention relates to method of reducing cold flow of polymer composition, versions of polymer composition and to tyre cover. Polymer composition includes the following components: polydiene or polydiene copolymer, solvent, if required, and combination of product of reaction of (i) acetal or alditol ketal and (ii) (a) hydrocarbylated boric acid, (b) aluminium-organic compound, or (c) both hydrocarbylated boric acid and aluminium-organic compound. Aluminium-organic compound is described by formula AlRnX3-n, where each R, which can be similar or different, represents monovalent organic group, which is bound to aluminium atom via carbon atom, where each X, which can be similar or different, represents carbon atom, halogen atom, carboxylate group, alkoxide group or aryloxide group, and where n represents integer number in the range from 1 to 3. In one of the versions polymer composition contains said copolymer and hydrocarbylboric acid ester, which is described by the following formula: , where each of R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30 and R31 independently represents hydrogen atom or monovalent organic group, and where R20 and R21 and/or R22 and R23 join with formation of bivalent organic group, and where n equals 0, 1 or 2, and R55 represents hydrocarbyl group or ester of hydrocarbylboric acid, which is described by one of the formulas: , , where each of R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30 and R31 independently represents hydrogen atom or monovalent organic group, or where R20 and R21 and/or R22 and R23 join with formation of bivalent organic group, and where n equals 0, 1 or 2, and each of R55 and R56 independently represents hydrocarbyl group. Method of reducing cold flow of polymer composition includes combination of all components mentioned above. Tyre includes tyre component, produced from the claimed composition.

EFFECT: invention makes it possible to improve resistance to cold flow.

12 cl, 4 tbl, 2 ex

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