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Fluorine-containing acrylate leveling agent for solvent type coating

An acrylate, solvent-based technology, applied in the coating and other directions, can solve the problems of high surface tension, poor long-wave leveling, poor anti-shrinkage ability, etc., and achieve the effect of simple production method and excellent work performance.

Active Publication Date: 2011-07-27
ANHUI XOANONS CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Non-silicon leveling agents currently used in solvent-based industrial coatings have disadvantages such as high surface tension, slow leveling speed, poor anti-shrinkage crater ability and poor long-wave leveling.

Method used

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  • Fluorine-containing acrylate leveling agent for solvent type coating
  • Fluorine-containing acrylate leveling agent for solvent type coating
  • Fluorine-containing acrylate leveling agent for solvent type coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] In a four-neck flask with a reflux condenser, a thermometer, a stirrer and a dropping funnel, add 70 grams of butyl acetate and start the stirrer to stir. When the temperature rises to 118°C, after the solvent butyl acetate refluxes in the condenser tube, start to drop 70 grams of butyl acetate, 150 grams of dodecafluoroheptyl methacrylate, 210 grams of butyl acrylate, and 5.74 grams of azo Diisobutyronitrile, add dropwise after 2h, then keep the temperature at 118°C and continue to stir for 2h; add dropwise a mixture of 40g butyl acetate and 1.19g azobisisobutyronitrile for 10 minutes, then keep the temperature at 118°C Stirring was continued for 2h. After the heat preservation is over, adjust the solid content to 70±2%, take out the product, and seal the can for packaging.

[0016] Product performance: appearance: yellowish transparent liquid; solid content: 70±2%; surface tension: 24-26 dynes;

[0017] When the surface tension is 24-26 dynes, the leveling agent can...

Embodiment 2

[0019] The consumption of each component is:

[0020]

[0021] Wherein the solvent is xylene, butyl acetate, propylene glycol methyl ether or propylene glycol methyl ether acetate; the fluorine-containing acrylate monomer is trifluoroethyl acrylate, trifluoroethyl methacrylate, hexafluorobutyl acrylate, methyl Hexafluorobutyl acrylate, dodecafluoroheptyl acrylate or dodecafluoroheptyl methacrylate; acrylate monomers are methyl acrylate, ethyl acrylate, butyl acrylate or 2-ethylethyl acrylate; The agent is azobisisobutyronitrile or benzoyl peroxide.

[0022] The step-by-step usage ratio of above-mentioned same component is with embodiment 1. All the other are with embodiment 1.

[0023] The obtained leveling agent has a surface tension of 24-26 dynes, a number-average molecular weight of 2000-4500, a weight-average molecular weight of 5000-12000, and a polydispersity of 2.0-2.8.

[0024] For example: 1. The surface tension value of fluorine-containing acrylate leveling ag...

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Abstract

The invention discloses a fluorine-containing acrylate leveling agent for a solvent type coating. The surface tension of the leveling agent is 24-26 dynes; the number-average molecular weight of the leveling agent is 2000-4500; the weight-average molecular weight of the leveling agent is 5000-12000; and the polydispersity of the leveling agent is 2.0-2.8. The invention aims at providing the fluorine-containing acrylate leveling agent for the solvent type coating, which can reduce the surface tension of a coating system, and has the advantages of high leveling speed, strong anti-shrinkage capacity and excellent long-wave leveling.

Description

technical field [0001] The invention relates to a fluorine-containing acrylate leveling agent for solvent-based coatings, belonging to the technical field of coating additives. Background technique [0002] The current non-silicon leveling agents used in solvent-based industrial coatings have disadvantages such as high surface tension, slow leveling speed, poor anti-shrinkage cratering ability and poor long-wave leveling. Contents of the invention [0003] The object of the present invention is to provide a fluorine-containing acrylate leveling agent for solvent-based coatings that can reduce the surface tension of the coating system, has fast leveling speed, strong anti-shrinkage ability and excellent long-wave leveling. [0004] Technical solution of the present invention is: [0005] A fluorine-containing acrylate leveling agent for solvent-based coatings, characterized by: surface tension: 24-26 dyne, number average molecular weight 2000-4500, weight average molecular...

Claims

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Application Information

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IPC IPC(8): C09D7/06C08F220/18C08F220/22C09D7/47
Inventor 陈永康
Owner ANHUI XOANONS CHEM
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