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Water-based fluorine-modified polyester can-making coating and preparation method thereof

A technology of water-based polyester resin and water-based fluorine, applied in polyester coatings, coatings, etc., can solve the problems of affecting the normal use and service life of metal tanks, reducing the sealing performance of coatings, low hardness and flexibility, and achieving low temperature Excellent elasticity, improved coating performance, and improved acid resistance

Pending Publication Date: 2022-07-08
深圳市深赛尔股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional metal packaging coatings have high hardness and low flexibility, so the coating is prone to cracking and damage during metal bending, stretching, stamping, stretching, etc.
This situation will greatly reduce the sealing performance of the coating, and the coating will peel off from the metal surface under long-term external corrosion and oxidation, which will seriously affect the normal use and service life of the metal tank. A coating with good rust resistance, good shielding properties and strong weather resistance is solving the above problems, so we propose a water-based fluorine-modified polyester can coating and its preparation method

Method used

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  • Water-based fluorine-modified polyester can-making coating and preparation method thereof
  • Water-based fluorine-modified polyester can-making coating and preparation method thereof
  • Water-based fluorine-modified polyester can-making coating and preparation method thereof

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Embodiment 1

[0020] The invention provides a water-based fluorine-modified polyester can coating, which comprises the following raw materials in parts by weight: 20 parts of modified fluorocarbon emulsion, 10 parts of water-based polyester resin, 10 parts of deionized water, 0.2 parts of dispersant, and defoamer 0.2 part, 20 parts of pigments and fillers, 1 part of thickener, 1 part of film-forming aid and 0.2 part of wetting agent.

[0021] The modified fluorocarbon emulsion is prepared by the following method: adding the ultraviolet cross-linked elastic emulsion to the fluorocarbon emulsion, mixing and stirring evenly, and standing for 30 minutes to obtain the modified fluorocarbon emulsion;

[0022] The present invention also proposes a water-based fluorine-modified polyester can coating and a preparation method thereof, comprising the following steps:

[0023] S1, weigh by weight 20 parts of modified fluorocarbon emulsion, 10 parts of water-based polyester resin, 10 parts of deionized ...

Embodiment 2

[0027] The invention provides a water-based fluorine-modified polyester can coating, which comprises the following raw materials in parts by weight: 20 parts of modified fluorocarbon emulsion, 10 parts of water-based polyester resin, 10 parts of deionized water, 0.2 parts of dispersant, and defoamer 0.2 part, 20 parts of pigments and fillers, 1 part of thickener, 1 part of film-forming aid and 0.2 part of wetting agent.

[0028] The modified fluorocarbon emulsion is prepared by the following method: adding the ultraviolet cross-linked elastic emulsion to the fluorocarbon emulsion, mixing and stirring evenly, and standing for 30 minutes to obtain the modified fluorocarbon emulsion;

[0029] The present invention also proposes a water-based fluorine-modified polyester can coating and a preparation method thereof, comprising the following steps:

[0030] S1, weigh by weight 20 parts of modified fluorocarbon emulsion, 10 parts of water-based polyester resin, 10 parts of deionized ...

Embodiment 3

[0034] The invention provides a water-based fluorine-modified polyester can coating, which comprises the following raw materials in parts by weight: 20 parts of modified fluorocarbon emulsion, 10 parts of water-based polyester resin, 10 parts of deionized water, 0.2 parts of dispersant, and defoamer 0.2 part, 20 parts of pigments and fillers, 1 part of thickener, 1 part of film-forming aid and 0.2 part of wetting agent.

[0035] The modified fluorocarbon emulsion is prepared by the following method: adding the ultraviolet cross-linked elastic emulsion to the fluorocarbon emulsion, mixing and stirring evenly, and standing for 30 minutes to obtain the modified fluorocarbon emulsion, and the fluorocarbon emulsion and ultraviolet cross-linking The mass of the lotion is 1:2.

[0036]The present invention also proposes a water-based fluorine-modified polyester can coating and a preparation method thereof, comprising the following steps:

[0037] S1, weigh by weight 20 parts of modi...

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Abstract

The invention discloses a water-based fluorine-modified polyester can-making coating and a preparation method thereof, relates to the technical field of industrial water-based coatings, and particularly relates to a water-based fluorine-modified polyester can-making coating and a preparation method thereof. Comprising the following raw materials in parts by weight: 20-50 parts of modified fluorocarbon emulsion, 10-30 parts of waterborne polyester resin, 10-20 parts of deionized water, 0.2-1 part of a dispersing agent, 0.2-0.5 part of a defoaming agent, 20-40 parts of pigment filler, 0.5-2 parts of a thickening agent, 0.5-2 parts of a coalescing agent, 0.2-0.8 part of a wetting agent and 30-80 parts of a curing agent. According to the water-based paint prepared by the preparation method disclosed by the invention, the ultraviolet crosslinking elastic emulsion is introduced into the single fluorocarbon emulsion so as to modify the fluorocarbon emulsion, and then the fluorocarbon emulsion is mixed with the water-based polyester resin, so that the water-based fluorine-modified polyester can-making paint is prepared; the phenomenon that a single water-based fluorocarbon coating is poor in weather resistance, gloss retention and hardness compared with a solvent-type fluorocarbon coating in the using process can be effectively reduced, the service life of the coating is prolonged, and the using effect of the coating is improved.

Description

technical field [0001] The invention relates to the technical field of water-based industrial coatings, in particular to a water-based fluorine-modified polyester can coating and a preparation method thereof. Background technique [0002] With the continuous development of my country's economy, the technology of industrial coatings is also becoming more and more perfect. Metal packaging coating is an important branch of industrial coatings. It uses its sealing effect on the metal surface to prevent external water, air, solution, etc. from corroding and oxidizing metal materials. Moreover, different manufacturers can also perform artistic treatment on the painted metal surface. Therefore, metal packaging coatings are widely used in the processing of various metal cans, and play a protective and decorative role on the can itself. The traditional metal packaging coating has high hardness and low flexibility, so it is very easy to crack and damage the coating during the bendin...

Claims

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Application Information

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IPC IPC(8): C09D127/12C09D167/00C09D7/61
CPCC09D127/12C09D7/61C08L67/00C08K3/34
Inventor 石素娜刘同刚李土云
Owner 深圳市深赛尔股份有限公司
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