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Chirality mesoporous organic polymer material with even and adjustable diameter and method for producing the same

An organic polymer and uniform technology, applied in the field of chiral mesoporous organic polymer materials and their preparation, can solve problems such as achiral structure

Inactive Publication Date: 2008-05-07
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The literature Nature 389, 364-368 (1997) reported for the first time that an organic polymer material with a mesoporous structure was synthesized by using an amphiphilic block copolymer molecule as a template through a volatilization-induced self-assembly method, but the material has no chiral structure.

Method used

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  • Chirality mesoporous organic polymer material with even and adjustable diameter and method for producing the same
  • Chirality mesoporous organic polymer material with even and adjustable diameter and method for producing the same
  • Chirality mesoporous organic polymer material with even and adjustable diameter and method for producing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Dissolve 0.0033g (0.01mmol) of N-dodecyl-L-glutamic acid in 2.0g of absolute ethanol, add 10.0g of deionized water and 0.134g (2mmol) of pyrrole monomer at 0°C Stir for 5 min; then add 2.0 g (2 mmol) of 1.0 M hydrochloric acid solution and 1.456 g (2 mmol) of ammonium persulfate solution (0.456 g of ammonium persulfate dissolved in 1 g of deionized water), and stir at 0°C for 30 min to react and polymerize. After filtering, washing with deionized water three times, and vacuum drying at 40° C. for 12 hours, a chiral mesoporous polypyrrole with uniform and adjustable diameter was obtained. The obtained chiral mesoporous polypyrrole is a mesoporous tube with the same helical structure in the channel and the outer surface. The tube length of the material is 2-5μm, the inner diameter of the tube is 5.4nm, the thickness of the tube wall is 50nm, the pitch is 85nm, and the specific surface area is 44.0m 2 g -1 , the hole volume is 140mm 3 g -1 .

[0032] A in Fig. 1 is th...

Embodiment 2

[0035] Dissolve 0.0036g (0.01mmol) of N-tetradecanoyl-L-glutamic acid in 2.0g of absolute ethanol, add 10.0g of deionized water and 0.134g (2mmol) of pyrrole monomer at 0°C Stir for 5 min; then add 2.0 g (2 mmol) of 1.0 M hydrochloric acid solution and 1.456 g (2 mmol) of ammonium persulfate solution (0.456 g of ammonium persulfate dissolved in 1 g of deionized water), and stir at 0°C for 30 min to react and polymerize. After filtering, washing with deionized water three times, and vacuum drying at 40° C. for 12 hours, a chiral mesoporous polypyrrole with uniform and adjustable diameter was obtained. The obtained chiral mesoporous polypyrrole is a mesoporous tube with the same helical structure in the channel and the outer surface. The tube length of the material is 5-10 μm, the tube inner wall diameter is 9.0 nm, the tube wall thickness is 45 nm, the screw pitch is 100 nm, and the specific surface area is 45.9 m 2 g- 1 , the hole volume is 130mm 3 g -1 .

[0036] b in Fi...

Embodiment 3

[0039] Dissolve 0.0039g (0.01mmol) of N-hexadecyl-L-glutamic acid in 2.0g of absolute ethanol, add 10.0g of deionized water and 0.134g (2mmol) of pyrrole monomer at 0°C Stir for 5 min; then add 2.0 g (2 mmol) of 1.0 M hydrochloric acid solution and 1.456 g (2 mmol) of ammonium persulfate solution (0.456 g of ammonium persulfate dissolved in 1 g of deionized water), and stir at 0°C for 30 min to react and polymerize. After filtering, washing with deionized water three times, and vacuum drying at 40° C. for 12 hours, a chiral mesoporous polypyrrole with uniform and adjustable diameter was obtained. The obtained chiral mesoporous polypyrrole is a mesoporous tube with the same helical structure in the channel and the outer surface. The tube length of the material is 10-15 μm, the inner diameter of the tube is 10.9 nm, the tube wall thickness is 35 nm, the screw pitch is 100 nm, and the specific surface area is 54.5 m 2 g -1 , the hole volume is 210mm 3 g -1 .

[0040] C in Fi...

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Abstract

The invention discloses a chirality mesoporous organic high molecular material with an even and adjustable diameter and a preparation method thereof, and the organic high molecular material is polypyrrole, polyaniline or polymetaphenylene isophthamide. By using an acid or salt negative ion surface activating agent as a moulding board agent, the guide agent with a supra molecula body structure is assembled under the existence of acid by self, and then different organic monomers and initiators are added to prepare out a functionalization organic high molecular material, the tube length of which is 2 to 20 micrometers, the diameter of the tube inner wall is 5 to 20 nm, the thickness of the tube wall is 30 to 100nm, the pitch is 50 to 500 nm, the specific surface area is 20 to 100m<2>g<-1>, the pore volume is 130 to 230 mm<3>g<-1>, and the pore channel and the external surface have the same spiral structure, and the diameter is even. The invention has wide application prospect in the fields of the molecular recognition, the sensor and the catalyzing, etc.

Description

technical field [0001] The invention relates to a functionalized organic polymer material and a preparation method thereof, in particular to a chiral mesoporous organic polymer material with uniform and adjustable diameter and a preparation method thereof. It is used in electrochemical switches, microelectronic devices, molecular recognition, selective adsorption separation, sensors and catalysis. Background technique [0002] Using molecular self-assembly to design various nano- or micro-structures has very important guiding significance for the synthesis of advanced materials. In recent years, based on the characteristics of chiral selectivity, molecular recognition, and catalysts, chiral materials have great application prospects in the fields of drug separation, electrochemical switches, electronic devices, sensors, etc., making them attract more and more attention. The introduction of mesoporous materials increases the specific surface area of ​​chiral materials and gr...

Claims

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Application Information

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IPC IPC(8): C08G73/06C08G73/02C08J9/00C08K5/09
Inventor 车顺爱范茬兴
Owner SHANGHAI JIAO TONG UNIV
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