Unsaturated block copolyester sulphones

FIELD: chemistry.

SUBSTANCE: present invention relates to high-molecular weight compounds, particularly aromatic block copolyesters. Described are unsaturated block copolyester sulphones of formula: , where n=1-20; z=2-100.

EFFECT: block copolyesters with improved thermal and mechanical properties as well as fire-resistance.

1 tbl, 13 ex

 

The invention relates to macromolecular compounds, in particular aromatic polyether block structure, which can be used as structural and film materials with enhanced performance characteristics.

Known aromatic block Capoliveri on the basis of different oligomers. The main disadvantage of these polymers is the low resistance: Synthesis and some properties of the block copolycarbonates. Mikitaev A.K., Shustov G.B., Karaev A.M. // Vysokomol. Conn., 1984, 1A, T. - P.75-78.

Synthesis and some properties of the block copolycarbonates based oligochlorobenyzltoluenes. Khanturgaeva A.M., mikitaev A.K., kuniji B. I. // Vysokomol. Conn., 1984, 14B, T. - S-274.

Closer to the intended structure and properties are aromatic block sobolifera based Dianov and phenolphthalein of oligoclonal and dichlorohydrin 1,1-dichloro-2,2-di(4-carboxyphenyl)ethylene: Ungesattigte aromatische Polyester auf der Basis von Chloralderivaten als Konstruktions - und Folienwerkstoff. A.K. Mikitaev, A.M. Charaev, G.B. Sustov // Acta Polymerica. 39 (1988) Nr.5. S.228-236.

However, the polymers have a high enough physico-chemical properties.

The objective of the invention is to create a block sobolifera with enhanced thermal and mechanical properties and fire resistance, withstanding the action of various external the conditions.

The problem is solved by obtaining new unsaturated block sobolifera General formula:

where R=;;

n=1-20; z=2-100

The reaction is carried out by interaction of oligoclonal various degrees of condensation based on 1,1-dichloro-2,2-di(4 oksifenil)ethylene 4,4'-dichlorodiphenylmethane with equimole mixture of dichlorohydrin ISO - and terephthalic acids, dichlorohydrin 1,1-dichloro-2,2-di(4-carboxyphenyl)ethylene and / or 4,4'-differentfrom.

Synthesis of block spoliation on the basis of oligoclonal various degrees of condensation and equimole mixture of dichlorohydrin ISO - and terephthalic acids.

Example 1. In dvuhgolosy conical flask with a capacity of 250 ml, equipped with a mechanical stirrer, download 7,7652 g (0.01 mol) of oligourethane with the degree of condensation n=1 and 100 ml of 1,2-dichloroethane. After the formation of the homogeneous solution is poured 2,82 ml (0.02 mol) of triethylamine and stirring the reaction flask make equinology mixture of dichlorohydrin ISO - and terephthalic acid in the amount of 2,03 g (0.01 mol). The reaction is carried out at room temperature for 1 hour. Then the reaction mass is diluted with 100 ml of 1,2-dichloroethane and precipitate the polymer in isopropanol. The precipitation is filtered and washed with distilled water until p is LEGO remove chlorine ions. Some properties of the resulting block sobolifera shown in the table.

Example 2. In dvuhgolosy conical flask with a capacity of 250 ml, equipped with a mechanical stirrer, download 27,58 g (0.01 mol) of oligourethane with the degree of condensation n=5 and 150 ml of 1,2-dichloroethane. After the formation of the homogeneous solution is poured 2,82 ml (0.02 mol) of triethylamine and stirring the reaction flask make equinology mixture of dichlorohydrin ISO - and terephthalic acid in the amount of 2,03 g (0.01 mol). The reaction is carried out at room temperature for 1 hour. Then the reaction mass is diluted with 100 ml of 1,2-dichloroethane and precipitate the polymer in isopropanol. The precipitation is filtered and washed with distilled water to remove chloride ions. Some properties of the resulting block sobolifera shown in the table.

Example 3. In dvuhgolosy conical flask with a capacity of 250 ml, equipped with a mechanical stirrer, download 52,35 g (0.01 mol) of oligourethane with the degree of condensation n=10 and 200 ml of 1,2-dichloroethane. After the formation of the homogeneous solution is poured 2,82 ml (0.02 mol) of triethylamine and stirring the reaction flask make equinology mixture of dichlorohydrin ISO - and terephthalic acid in the amount of 2,03 g (0.01 mol). The reaction is carried out at room temperature for 1 hour. Then the reaction mass is diluted with 100 ml of 1,2-dichloroethane and the wasp is give the polymer in isopropanol. The precipitation is filtered and washed with distilled water to remove chloride ions. Some properties of the resulting block sobolifera shown in the table.

Example 4. In dvuhgolosy conical flask with a capacity of 500 ml, equipped with a mechanical stirrer, download 101,89 g (0.01 mol) of oligourethane with the degree of condensation n=20 and 250 ml of 1,2-dichloroethane. After the formation of the homogeneous solution is poured 2,82 ml (0.02 mol) of triethylamine and stirring the reaction flask make equinology mixture of dichlorohydrin ISO - and terephthalic acid in the amount of 2,03 g (0.01 mol). The reaction is carried out at room temperature for 1 hour. Then the reaction mass is diluted with 100 ml of 1,2-dichloroethane and precipitate the polymer in isopropanol. The precipitation is filtered and washed with distilled water to remove chloride ions. Some properties of the resulting block sobolifera shown in the table.

Synthesis of block spoliation on the basis of oligoclonal various degrees of condensation and dichlorohydrin 1,1-dichloro-2,2-di(4-carboxyphenyl)ethylene

Example 5. In dvuhgolosy conical flask with a capacity of 250 ml, equipped with a mechanical stirrer, download 7,7652 g (0.01 mol) of oligourethane with the degree of condensation n=1 and 100 ml of 1,2-dichloroethane. After the formation of the homogeneous solution is poured 2,82 ml (0.02 mol) of triethylamine and when moving the mouse Ivanyi in the reaction flask contribute dichlorohydrin 1,1-dichloro-2,2-di(4-carboxyphenyl)of ethylene in the number 3,74 g (0.01 mol). The reaction is carried out at room temperature for 1 hour. Then the reaction mass is diluted with 100 ml of 1,2-dichloroethane and precipitate the polymer in isopropanol. The precipitation is filtered and washed with distilled water to remove chloride ions. Some properties of the resulting block sobolifera shown in the table.

Example 6. In dvuhgolosy conical flask with a capacity of 250 ml, equipped with a mechanical stirrer, download 27,58 g (0.01 mol) of oligourethane with the degree of condensation n=5 and 150 ml of 1,2-dichloroethane. After the formation of the homogeneous solution is poured 2,82 ml (0.02 mol) of triethylamine and stirring the reaction flask contribute dichlorohydrin 1,1-dichloro-2,2-di(4-carboxyphenyl)of ethylene in the number 3,74 g (0.01 mol). The reaction is carried out at room temperature for 1 hour. Then the reaction mass is diluted with 100 ml of 1,2-dichloroethane and precipitate the polymer in isopropanol. The precipitation is filtered and washed with distilled water to remove chloride ions. Some properties of the resulting block sobolifera shown in the table.

Example 7. In dvuhgolosy conical flask with a capacity of 250 ml, equipped with a mechanical stirrer, download 52,35 g (0.01 mol) of oligourethane with the degree of condensation n=10 and 200 ml of 1,2-dichloroethane. After the formation of the homogeneous solution is poured 2,82 ml (0.02 mol) of triethylamine and when premesis the Institute in the reaction flask contribute dichlorohydrin 1,1-dichloro-2,2-di(4-carboxyphenyl)of ethylene in the number 3,74 g (0.01 mol). The reaction is carried out at room temperature for 1 hour. Then the reaction mass is diluted with 100 ml of 1,2-dichloroethane and precipitate the polymer in isopropanol. The precipitation is filtered and washed with distilled water to remove chloride ions. Some properties of the resulting block sobolifera shown in the table.

Example 8. In dvuhgolosy conical flask with a capacity of 500 ml, equipped with a mechanical stirrer, download 101,89 g (0.01 mol) of oligourethane with the degree of condensation n=20 and 250 ml of 1,2-dichloroethane. After the formation of the homogeneous solution is poured 2,82 ml (0.02 mol) of triethylamine and stirring the reaction flask contribute dichlorohydrin 1,1-dichloro-2,2-di(4-carboxyphenyl)ethylene 3,74 g (0.01 mol). The reaction is carried out at room temperature for 1 hour. Then the reaction mass is diluted with 100 ml of 1,2-dichloroethane and precipitate the polymer in isopropanol. The precipitation is filtered and washed with distilled water to remove chloride ions. Some properties of the resulting block sobolifera shown in the table.

Synthesis of block spoliation on the basis of oligoclonal various degrees of condensation and 4,4'-diftorbenzofenon

Example 9. In a three-neck flask of 250 ml, equipped with a mechanical stirrer, water trap Dean-stark, reflux condenser, barbaterom inert-gas supply, load 7,7652 g 0.01 mol) of oligourethane with the degree of condensation n=1, 50 ml of dimethyl sulfoxide, 50 ml of toluene and 2,04 ml (9.8 n) NaOH solution. The temperature of the reaction mass was raised to 140°C and the synthesis is performed under a current of inert gas (nitrogen or argon) to remove traces of water. After distillation of the toluene, the reaction mass is then cooled to 70-80°C, add 2,18203 g (0.01 mol) 4,4'-diftorbenzofenon. The reaction is carried out for 3 hours at 170-180°C, the Reaction mass is diluted with 50 ml of dimethylsulfoxide and visidot in distilled water. The obtained polymer was washed with distilled water and dried to constant weight.

Example 10. In a three-neck flask with a capacity of 250 ml, equipped with a mechanical stirrer, water trap Dean-stark, reflux condenser, inert gas bubbler for download 7,7652 g (0.01 mol) of oligourethane with the degree of condensation n=1, 20 ml of dimethylacetamide, 30 ml of chlorobenzene, and the mixture of K2CO3and Na2CO3in the ratio of 1.0:0.3 number 0,026 mol. The reaction mass is heated to 140°C and under a stream of nitrogen distilled water in the form of an azeotropic mixture with chlorobenzene. After distillation of the water in the reaction mass is added 4,364 g (0.02 mol) of 4,4'-diftorbenzofenon and the reaction is carried out at the boiling point solvent (oil bath temperature ~180°C) for 3 hours. The obtained polymer visidot in distilled water, acidified with oxalic acid to destroy the phenolate what's groups, and washed from low molecular weight products. The polymer is dried at a temperature of 100-120°C for 24 hours and at 150°C for 24 hours.

Example 11. In a three-neck flask with a capacity of 250 ml, equipped with a mechanical stirrer, water trap Dean-stark, reflux condenser, inert gas bubbler for download 27,58 g (0.01 mol) of oligourethane with the degree of condensation n=5, 30 ml of dimethylacetamide, 30 ml of chlorobenzene, and the mixture of K2CO3and Na2CO3in the ratio of 1.0:0.3 amount of 0.06 mol. The reaction mass is heated to 140°C and under a stream of nitrogen distilled water in the form of an azeotropic mixture with chlorobenzene. After distillation of the water in the reaction mass is added 4,364 g (0.02 mol) of 4,4'-diftorbenzofenon and the reaction is carried out at the boiling point solvent (oil bath temperature of 180°C) for 3 hours.

The obtained polymer visidot in distilled water, acidified with oxalic acid to destroy phenolate groups, and washed from low molecular weight products. The polymer is dried at a temperature of 100-120°C for 24 hours and at 150°C for 24 hours.

Example 12. In a three-neck flask with a capacity of 250 ml, equipped with a mechanical stirrer, water trap Dean-stark, reflux condenser, inert gas bubbler for download 52,35 g (0.01 mol) of oligourethane with the degree of condensation n=10, 50 ml of dimethylacetamide, 50 ml of chlorobenzene is, a mixture of K2CO3and Na2CO3in the ratio of 1.0:0.3 number 0,026 mol. The reaction mass is heated to 140°C and under a stream of nitrogen distilled water in the form of an azeotropic mixture with chlorobenzene. After distillation of the water in the reaction mass is added 4,364 g (0.02 mol) of 4,4'-diftorbenzofenon and the reaction is carried out at the boiling point solvent (oil bath temperature of 180°C) for 3 hours. The obtained polymer visidot in distilled water, acidified with oxalic acid to destroy phenolate groups, and washed from low molecular weight products. The polymer is dried at a temperature of 100-120°C for 24 hours and at 150°C for 24 hours.

Example 13. In a three-neck flask with a capacity of 250 ml, equipped with a mechanical stirrer, water trap Dean-stark, reflux condenser, inert gas bubbler for download 101,89 g (0.01 mol) of oligourethane with the degree of condensation n=20, 100 ml of dimethylacetamide, 100 ml of chlorobenzene, and the mixture of K2CO3and Na2CO3in the ratio of 1.0:0.3 number 0,026 mol. The reaction mass is heated to 140°C and under a stream of nitrogen distilled water in the form of an azeotropic mixture with chlorobenzene. After distillation of the water in the reaction mass is added 4,364 g (0.02 mol) of 4,4'-diftorbenzofenon and the reaction is carried out at the boiling point solvent (oil bath temperature ~180°C) during the 3 hours. The obtained polymer visidot in distilled water, acidified with oxalic acid to destroy phenolate groups, and washed from low molecular weight products. The polymer is dried at a temperature of 100-120°C for 24 hours and at 150°C for 24 hours.

Table
Some properties of the block-sobolifera
BSP examplesηPref,DL/gTc°CTtech°CTGA, °CKI %σpMPaεp%
2%10%50%
10,9517131040545557043,094,05,8
20,8619615 40845957241,090,5of 5.4
30,6920331741046257440,086,35,0
40,6721032041847157740,085,44,3
51,1318532441047659046,097,06,3
61,1019933041248059446,0 96,06,1
71,0221333641649159945,596,56,0
80,9422034042049060346,0for 95.35,8
91,4018432040445056042,091,010,4
101,2018332040045054742,090,010,0
111,04180 32540746054540,591,012,4
120,9518633341046554040,084,413,3
130,9018433041046053539,780,013,7
Similar0,41-1,60175-260210-320330-400400-450500-53530-3757-8411-30

The technical result of the invention is to obtain polyesters having high values of oxygen index (high resistance), high mechanical and thermal properties. Sint is specified block copolymers are soluble in chlorinated hydrocarbons and easily processed by the method of irrigation solution.

Unsaturated block apoliticality formula:

where;;
n=1-20; z=2-100.



 

Same patents:

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing polysulphones with low yellow index according to DIN 6167 which is less than 19, and polyethersulphones with yellowness index according to DIN 6167 which is less than 30. Polymerisation takes place in aprotic solvents with a basic character using a forced-action mixer with wall-adjacent motion, having ratio d/D>0.9.

EFFECT: method reduces yellowness index and turbidity of a polymer and increase its light transmission.

7 cl, 8 ex, 2 tbl

FIELD: chemistry.

SUBSTANCE: present invention relates to sulphonated polyarylenes, synthesis thereof and use in membranes, fuel cells, electrodialysis, moistening and drying gases or for protection from electromagnetic radiation. The disclosed sulphonated polyarylenes contain one or more structural links of general formula -X-Ar(SO3M)n-Y-, where X and Y are selected from -SO2-, -SO-, -SO2O-, -CO-, -COO-, -CONH-, -CONR- and -POR-, Ar is selected from phenylene, naphthylene, anthracene, phenanthrene, biphenylene, furan, thiophene, pyrrole, thiazole, triazole, pyridine, imidazole and benzimidazole which, besides the sulphonic acid group and substitutes X and Y, may have substitutes which are not electron-donor groups, M is selected from Li+, Na+, K+, NR4+, PR4+ and H+, and n is an integer from 1 to 4, R is an alkyl which contains exclusively repeating units of formulae -[Ar1(SO3M)n-X-]- and -[Ar2(SO3M)n-Y-]-, where Ar1 and Ar2 deote an aromatic or heteroaromatic cyclic system with 5-18 ring atoms as defined above for Ar, M and n are as described above.

EFFECT: obtaining novel sulphonated polyarylenes and products based thereon.

24 cl, 23 dwg, 11 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

FIELD: chemistry.

SUBSTANCE: invention relates to preparation of reactive photopolymer compositions based on polysulfone solutions used for making coatings for various purposes. The disclosed photopolymer composition contains the following (pts. wt): polysulfone based on 2,2-bis(4-oxyphenyl)propane and 4,4'-dichlorodiphenylsulfone with molecular weight of 40000-56000 (35-50), styrene as a solvent (65-50), polyethylene glycol dimethacrylate or diacrylate with molecular weight of the polyethylene glycol link of 400-600 as a polymerisable compound (20-50) and 2,4,6-trimethylbenzoyldiphenylphosphine oxide as a photoinitiator (2-6).

EFFECT: preparation of a composition which enables faster preparation of a coating with fewer process steps, increased elasticity of photopolymer materials based on polysulfone, as well as minimisation of the amount of volatile solvent during formation of the coating.

1 cl, 2 tbl, 12 ex

FIELD: chemistry.

SUBSTANCE: invention relates to aromatic polyesters which are used as structural polymer materials in aviation, space, radio-electronic, automobile and other industries. The invention describes a method of producing an aromatic polyester through nucleophilic substitution of equimolecular amounts of phenolphthalein or a mixture of diphenylolpropane and phenolphthalein in molar ratio between 90:10 and 1:99 with 4,41-dichlorodiphenyl sulfone or in a mixture with 4,41-bis-(chlrophenylsulfonyl)diphenyl in molar ratio between 99:1 and 1:99 in a medium of aprotic solvent at 165-175°C in the presence of an alkaline agent. The alkaline agent consists of K2CO3 with an additive of 0.5-5.0 mol % of an equimolecular mixture of Na2S-9H2O and Al2O3 or SiO2 per 1.0 mole of K2CO3. Further, a copolymer is deposited in water and then dried.

EFFECT: method enables to shorten synthesis time and obtain a quality product with a high glass transition point and oxygen index.

1 cl, 2 dwg, 9 ex

FIELD: chemical industry; electronic industry; space-and-aircraft industry; electrical industry; other industries; methods of production of the interpolymers of polyphenylenesulfidesulfons.

SUBSTANCE: the present invention is pertaining to the method of production of the interpolymers of polyphenylenesulfidesulfons by the reaction of the dihaloiddiphenylsulfon with the bisphenol used for manufacture of the constructional products intended for usage in electronics engineering, the electrical engineering, aerospace engineering, etc. The method of production of the indicated interpolymers is exercised in one stage and allows to realize the synthesis of the interpolymers with the preset ratio of the sulfidic and sulfonic fragments with the increased flowability of the melt and the stability of the properties consists in interaction of the mixture of bisphenol, the alkaline metal sulfide and the alkaline metal carbonate at the molar ratio of the bisphenol and the sulfide from 0.95:0.05 up to 0.01:0.99 and the ratio of the alkaline metal carbonate from 0.05 up to 1.3 mole per one mole of dihaloidarylsulfon at the temperature of boiling of the organic solvent.

EFFECT: the invention allows to realize the synthesis of the interpolymers with the preset ratio of the sulfidic and sulfonic fragments with the increased flowability of the melt and the stability of the properties.

4 dwg, 7 ex

The invention relates to the plastics industry, in particular the production of polymer compositions based on aromatic polysulfones and polyethersulfones, which can find application in the manufacture of structural, dielectric and anti-friction parts, and raznoformnyh film products, operating at temperatures up to 170oWith

FIELD: chemistry.

SUBSTANCE: invention relates to aromatic copolyester-sulphone ketones and synthesis method thereof. Aromatic copolyester-sulphone ketones can be used as heat resistant construction materials and are compounds of general formula: : or , where m is statistical distribution of structures on the macrochain m=1-100, a n=1, 5, 10, 20. The aromatic copolyester-sulphone ketones are obtained via polycondensation of oligosulphone-ketones based on diane or phenolphthalein with diacyl chlorides of terephthaloyl-di(p-oxybenzoic acid) in 1,2-dichloroethane in the presence of double excess triethylamine.

EFFECT: obtaining aromatic copolyester-sulphone ketone, having high thermal stability and heat resistance.

2 cl, 2 tbl, 6 ex

The invention relates to the oligoesters, method for their production and compositions on their basis, which possess significant activity against the virus of human immunodeficiency and is used for the treatment of acquired immunodeficiency syndrome (AIDS)

The invention relates to the production of complex sobolifera used for finishing textile yarns filamentary fibers /filaments/ large length or yarn of the individual short fibers

FIELD: chemistry.

SUBSTANCE: aromatic copolyester ketones are compounds of formula: where n=1, 5, 10, 20, m=1-100 and ; or The method of producing aromatic copolyester ketones involves reaction of oligoketones based on diane or phenolphthalein with degree of polycondensation of 1, 5, 10, 20 and diacyl chlorides of terephthaloyl-di(p-oxybenzoate) via acceptor-catalytic polycondensation in 1,2-dichloroethane in the presence of triethylamine.

EFFECT: obtaining copolyester ketones with high heat resistance.

2 cl, 2 tbl, 6 ex

FIELD: chemistry.

SUBSTANCE: invention relates to aromatic copolyester-sulphone ketones and synthesis method thereof. Aromatic copolyester-sulphone ketones can be used as heat resistant construction materials and are compounds of general formula: : or , where m is statistical distribution of structures on the macrochain m=1-100, a n=1, 5, 10, 20. The aromatic copolyester-sulphone ketones are obtained via polycondensation of oligosulphone-ketones based on diane or phenolphthalein with diacyl chlorides of terephthaloyl-di(p-oxybenzoic acid) in 1,2-dichloroethane in the presence of double excess triethylamine.

EFFECT: obtaining aromatic copolyester-sulphone ketone, having high thermal stability and heat resistance.

2 cl, 2 tbl, 6 ex

FIELD: chemistry.

SUBSTANCE: copolymers can be used as heat-resistant construction materials. or , where n=1-20, m=1-100. The method for synthesis of said aromatic copolymers involves polycondensation of oligoformal based on diane or phenolphthalein with degree of polycondensation equal to 1-20 with diacyl chloride of terephthaloyl-di(p-oxybenzoatom) in 1,2-dichloroethane in the presence of triethylamine at 15-25°C for 1-1.5 hours.

EFFECT: wide range of polycondensation copolymers with good thermal properties.

2 tbl, 6 ex

FIELD: chemistry.

SUBSTANCE: copolymers can be used as heat-resistant construction materials. or , where n=1-20, m=1-100. The method for synthesis of said aromatic copolymers involves polycondensation of oligoformal based on diane or phenolphthalein with degree of polycondensation equal to 1-20 with diacyl chloride of terephthaloyl-di(p-oxybenzoatom) in 1,2-dichloroethane in the presence of triethylamine at 15-25°C for 1-1.5 hours.

EFFECT: wide range of polycondensation copolymers with good thermal properties.

2 tbl, 6 ex

FIELD: chemistry.

SUBSTANCE: invention relates to aromatic copolyester-sulphone ketones and synthesis method thereof. Aromatic copolyester-sulphone ketones can be used as heat resistant construction materials and are compounds of general formula: : or , where m is statistical distribution of structures on the macrochain m=1-100, a n=1, 5, 10, 20. The aromatic copolyester-sulphone ketones are obtained via polycondensation of oligosulphone-ketones based on diane or phenolphthalein with diacyl chlorides of terephthaloyl-di(p-oxybenzoic acid) in 1,2-dichloroethane in the presence of double excess triethylamine.

EFFECT: obtaining aromatic copolyester-sulphone ketone, having high thermal stability and heat resistance.

2 cl, 2 tbl, 6 ex

FIELD: chemistry.

SUBSTANCE: aromatic copolyester ketones are compounds of formula: where n=1, 5, 10, 20, m=1-100 and ; or The method of producing aromatic copolyester ketones involves reaction of oligoketones based on diane or phenolphthalein with degree of polycondensation of 1, 5, 10, 20 and diacyl chlorides of terephthaloyl-di(p-oxybenzoate) via acceptor-catalytic polycondensation in 1,2-dichloroethane in the presence of triethylamine.

EFFECT: obtaining copolyester ketones with high heat resistance.

2 cl, 2 tbl, 6 ex

FIELD: chemistry.

SUBSTANCE: present invention relates to high-molecular weight compounds, particularly aromatic block copolyesters. Described are unsaturated block copolyester sulphones of formula: , where n=1-20; z=2-100.

EFFECT: block copolyesters with improved thermal and mechanical properties as well as fire-resistance.

1 tbl, 13 ex

Aromatic polyethers // 2536479

FIELD: chemistry.

SUBSTANCE: claimed invention relates to aromatic polyethers. Described are the aromatic polyethers of formula where

n=2-20; z=2-100.

EFFECT: obtaining aromatic polyethers with high indices of fire-, heat- and thermal resistance.

1 tbl, 9 ex

FIELD: chemistry.

SUBSTANCE: invention relates to aromatic copolyester-sulphone ketones and synthesis method thereof. Aromatic copolyester-sulphone ketones can be used as heat resistant construction materials and are compounds of general formula: : or , where m is statistical distribution of structures on the macrochain m=1-100, a n=1, 5, 10, 20. The aromatic copolyester-sulphone ketones are obtained via polycondensation of oligosulphone-ketones based on diane or phenolphthalein with diacyl chlorides of terephthaloyl-di(p-oxybenzoic acid) in 1,2-dichloroethane in the presence of double excess triethylamine.

EFFECT: obtaining aromatic copolyester-sulphone ketone, having high thermal stability and heat resistance.

2 cl, 2 tbl, 6 ex

Up!