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Crosslinking kinetic energy based high polymer, and preparation method

A high polymer and functional group technology, which is applied in the field of cross-linked polymalein rosin hexylene glycol ester and its preparation, can solve the problems that the preparation method has not been reported, and achieve the effect of easy grafting

Inactive Publication Date: 2007-10-10
GUANGXI UNIV FOR NATITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Cross-linked polymalein rosin hexylene glycol ester of the present invention is a new funct

Method used

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  • Crosslinking kinetic energy based high polymer, and preparation method
  • Crosslinking kinetic energy based high polymer, and preparation method
  • Crosslinking kinetic energy based high polymer, and preparation method

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Experimental program
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Embodiment approach

[0023] 1. The embodiment of the preparation method of the present invention is as follows:

[0024] 1. The first step is to synthesize maleic rosin with rosin and maleic anhydride or maleic acid as raw materials. The chemical reaction formula is as follows:

[0025]

[0026] The reaction conditions are as described in (1) Preparation of Maleic Rosin in Summary of the Invention 2.

[0027] 2. The second step uses maleic rosin and 1,6-hexanediol as raw materials to synthesize cross-linked polymaleic rosin hexylene glycol ester through polycondensation reaction. The chemical reaction formula is as follows:

[0028]

[0029] 1. The influence of the solvent on the polymerization reaction

[0030] The first consideration for choosing a solvent is its high boiling point, followed by its ability to dissolve maleic rosin and hexanediol monomers. Gasoline, 1,4-dioxane, and a mixed solution of gasoline and dioxane are used as solvents. The experimental results show that using dioxane as ...

Embodiment 1

[0048] 1) Preparation of Malay Rosin

[0049] Grind 200 grams of rosin into a three-necked flask, install a thermometer, a water separator, a reflux condenser, and a stirrer. Use an electric heating mantle to heat and melt the rosin. When the temperature rises to 140°C, start the stirrer, add excess maleic anhydride or maleic acid according to the chemical reaction, and heat to reflux at a constant temperature when the temperature rises to 190°C for 8 hours. After the reaction, the product is poured out while it is hot. The product is cooled to below 100°C, ground, and washed with hot water at 80°C several times to remove unreacted maleic acid or maleic anhydride, until the PH value is about 7 at 60°C. Dry at ℃ to obtain a crude Malay rosin product. The crude Malay rosin product was washed with gasoline at 100°C for 3 times to remove unreacted rosin, and 250 grams of Malay rosin meeting the requirements of the method of the present invention was obtained.

[0050] 2) Weigh 10 gram...

Embodiment 2

[0052] 1) Malay rosin preparation

[0053] Grind 200 grams of rosin and place it in a three-necked flask. Install a thermometer, a water separator, a reflux condenser, and a stirrer. Use an electric heating mantle to heat and melt the rosin. When the temperature rises to 140°C, start the stirrer and add excess maleic anhydride or maleic acid according to the chemical reaction. When the temperature rises to 190°C, heat at constant temperature and reflux for 8 hours. After the reaction, the product is poured out while it is hot. The product is cooled to below 100°C, pulverized, and washed with hot water at 80°C several times to remove unreacted maleic acid or maleic anhydride, until the PH value is about 7, at 60 Dry at ℃ to obtain a crude Malay rosin product. The crude Malay rosin product was washed with gasoline at 100°C for 3 times to remove unreacted rosin, and 250 grams of Malay rosin meeting the requirements of the method of the present invention was obtained.

[0054] 2) Weig...

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Abstract

This invention discloses a method for preparing a crosslinked functional polymer, crosslinked poly (hexanediol maleic rosin ester). The method utilizes 1,6-hexanediol and maleic rosin as the raw materials, and a mixture of 200# gasoline and dioxane as the solvent, and reacts in the presence of catalyst to obtain crosslinked poly(hexanediol maleic rosin ester). The polymer has -COOH groups, and can be used for separating natural products such as ginkgo biloba and berberine, and as the carrier for immobilizing enzymes such as amylase, lipase and laccase.

Description

Technical field [0001] The invention relates to a cross-linked functional group polymer and a preparation method thereof, and more specifically, the invention relates to a cross-linked polymaleic rosin hexylene glycol ester and a preparation method thereof. Background technique [0002] The cross-linked polymaleic rosin hexylene glycol ester of the present invention is a new functional group high polymer, and the substance and its preparation method have not been reported so far. Summary of the invention [0003] The purpose of the present invention is to provide a new functional group polymer and its preparation method, the polymer with -COOH functional group has a wide range of uses, can be used for the separation of natural products, for example, for the separation of Ginkgo flavonoids and Coptis And a carrier for immobilized enzymes, such as a carrier for immobilized amylase, lipase, and laccase. [0004] The pres...

Claims

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Application Information

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IPC IPC(8): C09F1/04C08J3/24C08K5/42
Inventor 雷福厚卢建芳姚兴东刘祖广白丽娟
Owner GUANGXI UNIV FOR NATITIES
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