Aromatic hyperbranched polymer surfactant and preparation method thereof

A technology of hyperbranched polymers and surfactants, applied in chemical instruments and methods, chemical/physical processes, transportation and packaging, etc.

Active Publication Date: 2013-02-20
GUANGZHOU FANGZHONG CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the cloud point of the aliphatic hyperbranched polyether surfactant in the prior art is relatively low. The present invention synthesizes a kind of aromatic hyperbranched polymer surfactant with aromatic rings in its structure, so that it can remain relatively stable in water Molecules exist, resulting in a higher cloud point

Method used

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  • Aromatic hyperbranched polymer surfactant and preparation method thereof
  • Aromatic hyperbranched polymer surfactant and preparation method thereof
  • Aromatic hyperbranched polymer surfactant and preparation method thereof

Examples

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Embodiment 1

[0017] Example 1: Mix 0.1 mol of trimethylolpropane with 0.3 mol of gallic acid, add pyridine to dissolve, add 3% p-toluenesulfonic acid of the total reactant mass, stir at 120°C for 4 hours, and remove under reduced pressure at 10KPa Pyridine yields hydroxyl-terminated hyperbranched polymers. Mix the hydroxyl-terminated hyperbranched polymer and lauric acid, wherein the molar ratio of the hydroxyl group of the hydroxyl-terminated hyperbranched polymer to the lauric acid carboxyl group is 1:2, add pyridine to dissolve the reactant, and then add 3% p-toluene of the total reactant mass The sulfonic acid was reacted at 120°C for 6 hours to obtain the crude product. The obtained crude product was dissolved in 20 mL of chloroform, and the solution was added dropwise to 50 mL of deionized water for precipitation. The lower layer solution was taken and the solvent chloroform was removed under reduced pressure at 10 KPa. The obtained pale yellow solid was an aromatic hyperbranched sur...

Embodiment 2

[0019] Example 2: Mix 0.1mol of trimethylolethane with 0.6mol of gallic acid, add pyridine to dissolve, add 5% concentrated sulfuric acid of total reactant mass, stir at 110°C for 3 hours, remove pyridine under reduced pressure at 30KPa A hydroxyl-terminated hyperbranched polymer is obtained. Mix the hydroxyl-terminated hyperbranched polymer and palmitic acid, wherein the molar ratio of the hydroxyl group of the hydroxyl-terminated hyperbranched polymer to the palmitic acid carboxyl group is 1:1, add pyridine to dissolve the reactant, and then add 5% concentrated sulfuric acid of the total reactant mass , and reacted at 110 °C for 4 hours to obtain the crude product. The obtained crude product was dissolved in 50 mL of chloroform, and the solution was added dropwise to 200 mL of deionized water for precipitation. The lower layer solution was taken and the solvent chloroform was removed under reduced pressure at 12 KPa. The obtained pale yellow solid was an aromatic hyperbranch...

Embodiment 3

[0020] Example 3: Mix 0.1 mol of pentaerythritol with 0.4 mol of gallic acid, add pyridine to dissolve, add 5% p-toluenesulfonic acid of the total reactant mass, stir at 130° C. for 3 hours, remove pyridine under reduced pressure at 18KPa to obtain terminal hydroxyl groups Hyperbranched polymers. Mix the hydroxyl-terminated hyperbranched polymer and octanoic acid, wherein the molar ratio of the hydroxyl group of the hydroxyl-terminated hyperbranched polymer to the carboxyl group of octanoic acid is 1:2, add pyridine to dissolve the reactant, and then add 5% p-toluenesulfonic acid of the total reactant mass , and reacted at 120 °C for 4 hours to obtain the crude product. The obtained crude product was dissolved in 30 mL of chloroform, and the solution was added dropwise to 100 mL of deionized water for precipitation. The lower layer solution was taken out and the solvent chloroform was removed under reduced pressure at 15 KPa. The obtained pale yellow solid was an aromatic hype...

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Abstract

The invention provides an aromatic hyperbranched polymer surfactant and a preparation method thereof and particularly relates to a preparation method of the aromatic hyperbranched polymer surfactant. Gallic acid and polyhydroxy monomers are adopted to be synthetized into hydroxyl terminated hyperbranched polymer through a one-step method, long-chain unsaturated fatty acid or saturated acid is reacted with the hydroxyl terminated hyperbranched polymer to obtain the aromatic hyperbranched polymer surfactant. The common natural multiterminal monomer gallic acid and the polyhydroxy monomers are reacted, the surfactant with traditional micromolecules is obtained through esterification reaction, and the surfactant can reduce characteristics of surface activity of water, simultaneously has a unique molecular structure of hyperbranched polymer, and is novel in the field of surfactant.

Description

technical field [0001] The invention provides a hyperbranched polymer surfactant and a preparation method thereof, in particular to a preparation method of an aromatic hyperbranched polymer surfactant. Background technique [0002] Hyperbranched polymers are a class of highly branched macromolecules. Although their structures are not as perfect as dendrimers, their physical and chemical properties are similar to those of dendrimers. For example, there are a large number of active functional groups at the ends, good Solubility, low melt viscosity, no chain entanglement, etc. In addition, the synthesis of hyperbranched polymers does not require strict protection / deprotection steps, which is simpler than the synthesis of dendrimers, and it is possible to achieve large-scale industrial production and has great application potential. Therefore, people are interested in the development of hyperbranched polymers. Research has shown a lot of interest. Through the surface grafting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G63/12C08G63/78B01F17/52C09K23/52
Inventor 强涛涛张国国任龙芳王学川
Owner GUANGZHOU FANGZHONG CHEM CO LTD
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