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:

CH2-CH-C

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:

-CH

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/g

The 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 h

This 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/g

P 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/g

P 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 h

Received 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/g

P 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 h

The 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.

 

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