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A preparation method and application of a functional material for adsorbing royal acid

A technology of functional materials and royal acid, applied in the direction of material separation, analytical materials, chemical instruments and methods, etc., can solve the problems of uneven particle size, low mass transfer speed, poor rigidity, etc., achieve uniform particle size and improve dispersibility , the effect of high selection specificity

Inactive Publication Date: 2017-04-19
TIANJIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the above-mentioned technical problems, the object of the present invention is to propose a kind of adsorbent material with high selectivity to royal acid combined with sol-gel technology, to overcome the low mass transfer rate and uneven particle size of traditional molecularly imprinted polymers, Defects such as poor rigidity

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  • A preparation method and application of a functional material for adsorbing royal acid

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Embodiment 1

[0019] The invention discloses a method for preparing a functional material for adsorbing royal acid. A bulk polymerization method is used to prepare a molecularly imprinted polymer with royal acid as a template molecule. Dissolve 0.186g of royal acid in 10mL of methanol, and add 421μL of 4-vinylpyridine, 1514.7mg of N,N'-methylenebisacrylamide and 50mg of azobisisobutyronitrile in sequence. The reacted solution was purged with nitrogen gas for 10 minutes to remove oxygen, then placed in a water bath at 55° C., and thermally initiated polymerization for 24 hours. After the reaction, the mixed solution of methanol and glacial acetic acid with a volume ratio of 9:1 was Soxhlet-extracted for 24 hours, and methanol was used as solvent for 12 hours to wash off the residual glacial acetic acid, and vacuum-dried at 50°C to obtain the royal acid molecularly imprinted polymer .

[0020] Accurately weigh 150 mg of the powdered royal acid adsorption material synthesized in Example 1, an...

Embodiment 2

[0022] The invention discloses a method for preparing a functional material for adsorbing royal acid. A bulk polymerization method is used to prepare a molecularly imprinted polymer with royal acid as a template molecule. Dissolve 0.3 g of royal acid in 16 mL of methanol, and add 674 μL of 4-vinylpyridine, 2424 mg of N, N'-methylenebisacrylamide and 80 mg of azobisisobutyronitrile in sequence. The reacted solution was purged with nitrogen gas for 10 minutes to remove oxygen, then placed in a water bath at 55° C., and thermally initiated polymerization for 24 hours. After the reaction, the mixed solution of methanol and glacial acetic acid with a volume ratio of 9:1 was Soxhlet-extracted for 24 hours, and methanol was used as solvent for 12 hours to wash off the residual glacial acetic acid, and vacuum-dried at 50°C to obtain the royal acid molecularly imprinted polymer .

[0023] Accurately weigh 150 mg of the powdered royal acid adsorption material synthesized in Example 2, ...

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Abstract

The present invention provides a preparation method and application of a functional material for adsorption of 10-hydroxy-2-decenoic acid. The functional material is synthesized by using 10-hydroxy-2-decenoic acid as a template molecule, 4-vinyl pyridine as a functional monomer, N,N'-methylene bisacrylamide as a crosslinking agent and methanol as a pore forming agent through a sol-gel technology and molecular imprinting technology, and the adsorption capacity of the functional material reaches 22.97mg / g. The synthesis process of the invention is simple, low in cost, and easy to control the reaction conditions; and the prepared specific adsorption material for 10-hydroxy-2-decenoic acid can be used in combination of solid phase extraction enrichment and high performance liquid chromatography, and is applicable to detection of royal jelly and 10-hydroxy-2-decenoic acid in royal jelly products.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a preparation method and application of a functional material for absorbing royal acid. Background technique [0002] With the continuous improvement of the living standard of our country residents, a wide variety of health food products have been launched on the market, one of which is a product made from royal jelly. Royal acid is one of the main functional components of royal jelly, its content is about 1.4%-2.0% of the total mass of royal jelly, and it is the fatty acid with the highest content. Studies have shown that royal acid can prevent hair loss, enhance the immune function of the body, prevent acute radiation damage, inhibit the growth of fungi and bacteria, and inhibit the growth of various cancer cells such as breast cancer and lymphoma. Therefore, the content of royal acid has become an important indicator for evaluating the grade of royal jel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F226/06C08F222/38C08J9/28B01J20/26B01J20/30G01N30/08
Inventor 张燕刘冰陆旸王硕卫莎
Owner TIANJIN UNIV OF SCI & TECH
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