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Water-phase easily dispersible metal ion-loaded hyperbranched polymer and preparation method thereof

A technology of hyperbranched polymer and metal loading, applied in the field of organic matter loading modification, can solve the problems of poor processing performance, large pollution in the synthesis process, and great influence on the flow performance of the polymer matrix, so as to improve the hydrophilic performance and processing performance. Good, low flow performance

Active Publication Date: 2020-12-18
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to solve the problems of hyperbranched polymers in the prior art that have a great influence on the flow properties of the polymer matrix, poor processability, large pollution in the synthesis process, and difficulty in nanoscale dispersion in the aqueous phase, providing A hyperbranched polymer loaded with metal ions that has little effect on the flow properties of the polymer matrix, excellent processability, environmental protection and pollution-free synthesis, and can achieve nanoscale dispersion in the aqueous phase
The present invention uses short-chain small molecules with amine groups (containing molecule B substances) to modify the easily reactive groups of hyperbranched polymers, and then carries out metal coordination to solve the problems in the prior art and expand the scope of this category. Application range of materials

Method used

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  • Water-phase easily dispersible metal ion-loaded hyperbranched polymer and preparation method thereof
  • Water-phase easily dispersible metal ion-loaded hyperbranched polymer and preparation method thereof
  • Water-phase easily dispersible metal ion-loaded hyperbranched polymer and preparation method thereof

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Embodiment 1

[0053]A method for preparing a water-phase easily dispersible metal ion-loaded hyperbranched polymer, the specific steps are as follows:

[0054](1) Preparation of substances containing molecule A;

[0055]The molar ratio of 1:1 pyrazine-2,3-dicarboxylic acid and 1,1,1-tris(hydroxymethyl)propane were subjected to esterification reaction at a temperature of 150°C under nitrogen protection for 1h, and then at a temperature Under the conditions of 200°C and a pressure of 0 MPa, the polycondensation reaction is carried out for 4 hours to obtain a substance containing molecule A, wherein the esterification reaction and the polycondensation reaction need to be stirred, and the stirring rate is 200 rpm;

[0056](2) The substance containing molecule A obtained in step (1) is mixed with an aqueous solution of n-propylamine (substance containing molecule B) with a concentration of 0.3 mol / L in the form of powder, and the mixing is accompanied by stirring, and then to the mixed system Add 0.4mol / L AgNO...

Embodiment 2

[0060]A method for preparing a water-phase easily dispersible metal ion-loaded hyperbranched polymer, the specific steps are as follows:

[0061](1) Preparation of substances containing molecule A;

[0062]The molar ratio of 2-carboxyethylphenylphosphinic acid and tris(2-hydroxyethyl) isocyanurate with a molar ratio of 1:2 was subjected to esterification reaction at a temperature of 180°C under the protection of nitrogen for 2h, and then at the temperature Under the conditions of 180°C and a pressure of -0.1MPa, the polycondensation reaction is carried out for 3 hours to obtain a substance containing molecule A, wherein the esterification reaction and the polycondensation reaction need to be stirred, and the stirring rate is 300 rpm;

[0063](2) Mix the substance containing molecule A obtained in step (1) in the form of powder with an aqueous solution of n-butylamine (substance containing molecule B) with a concentration of 0.58 mol / L, with stirring during mixing, and then mixing Drop FeCl w...

Embodiment 3

[0067]A method for preparing a water-phase easily dispersible metal ion-loaded hyperbranched polymer, the specific steps are as follows:

[0068](1) Preparation of substances containing molecule A;

[0069]Carry out the esterification reaction of 5-tert-butyl-1,3-benzenedicarboxylic acid and 2,4,5-trihydroxyphenylbutanone with a molar ratio of 1:3 at a temperature of 160°C under nitrogen protection for 1.5h, Then, under the conditions of a temperature of 190°C and a pressure of -0.05MPa, the polycondensation reaction is carried out for 2 hours to obtain a substance containing molecule A, wherein the esterification reaction and the polycondensation reaction need to be stirred at a rate of 400 rpm;

[0070](2) Mix the substance containing molecule A obtained in step (1) with an aqueous solution of polyetheramine D230 (substance containing molecule B) with a concentration of 0.49 mol / L in the form of powder, and stir when mixing. Add FeCl with a concentration of 0.8mol / L dropwise to the mixed s...

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Abstract

The invention relates to aqueous-phase easy-to-disperse metal ion loaded hyperbranched polymer and a preparation method thereof. The preparation method includes: mixing molecule A containing substancein a powder form with a water solution of molecule B containing substance while stirring, and dropwise adding a metal salt solution into a mixed system while stirring to obtain the hyperbranched polymer. A molecular structural formula of the hyperbranched polymer prepared by the method is mainly composed of molecule A, molecule B and metal ion Mn+, carboxyl in the molecule A, amido in the molecule B and the metal ion Mn+ are in bond connection through ion bonds and coordination bonds to form a triangular bonded structure, and the structural formula is shown as follows. The preparation methodtakes water as a reaction solvent, thereby being environment-friendly, little in equipment input, simple in operation, mild in condition and low in cost; the polymer prepared by the method has littleimpact on matrix flowability, has the characteristic of aqueous-phase easiness in dispersion and is high in processability.

Description

Technical field[0001]The invention belongs to the technical field of organic matter loading modification, and relates to a water-phase easily dispersible metal ion-loaded hyperbranched polymer and a preparation method thereof, in particular to a metal ion-loaded hyperbranched polymer with excellent processing performance and a preparation method thereof method.Background technique[0002]Hyperbranched polymers such as hyperbranched polyesters have a highly branched molecular structure and are widely used in the field of polymer blending, such as blending of hyperbranched polyesters with flame retardants. Hyperbranched polymers are often used as viscosity modifiers. It is widely used in various fields of industrial production.[0003]There are many methods for synthesizing hyperbranched polymers. According to the type of monomers, they can be divided into two categories: One is the monomer method (SMM), which mainly uses ABnType or potential ABnType monomers are polymerized; the other is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G63/91C08G63/685C08G63/692C08G63/181C08G81/00C08G83/00C08G63/78
Inventor 孙宾纪晓寰朱美芳江晓泽周哲敖翔陈珈胡余宗
Owner DONGHUA UNIV
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