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Improved amino baking varnish inverse emulsion, preparation method thereof, and method for preparing baking varnish coating by using improved amino baking varnish inverse emulsion

A technology of amino baking varnish and reverse emulsion, which is applied in the field of modified amino baking varnish reverse emulsion, which can solve the problems of incompatibility and poor stability of nano-titanium dioxide, achieve high stability and dispersion, and reduce pollution.

Inactive Publication Date: 2009-09-23
JIANGSU KAOPULE NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when people try to add nano-titanium dioxide to the amino baking varnish emulsion, it is always impossible to make nano-titanium dioxide well compatible into the amino baking varnish emulsion, and the nano-titanium dioxide precipitates out, resulting in the poor stability of nano-titanium dioxide-modified amino paint emulsion

Method used

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  • Improved amino baking varnish inverse emulsion, preparation method thereof, and method for preparing baking varnish coating by using improved amino baking varnish inverse emulsion
  • Improved amino baking varnish inverse emulsion, preparation method thereof, and method for preparing baking varnish coating by using improved amino baking varnish inverse emulsion
  • Improved amino baking varnish inverse emulsion, preparation method thereof, and method for preparing baking varnish coating by using improved amino baking varnish inverse emulsion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0152] (1) Nano-TiO 2 Preparation of aqueous system

[0153] Take 100ml H 2 O, add 0.15g sodium dodecylsulfonate and 3g nano-TiO 2 , for grinding, and adding an appropriate amount of NH 3 ·H 2 O to adjust the pH value to 8.5, followed by ultrasonic dispersion to obtain nano-TiO 2 aqueous phase system.

[0154] (2) Preparation of a mixture of acrylic amino baking varnish emulsion, compound emulsifier and co-emulsifier

[0155] Weigh 8.2g of Span80 and 1.8g of Tween60 (the hydrophilic-lipophilic balance (composite HLB) of the composite emulsifier is 12.99: HLB=82%×14.9+18%×4.3=12.99) and 1.5g of cyclohexane Alcohol co-emulsifier, the three are mixed at room temperature and stirred for half an hour, then add 10g of acrylic amino baking varnish emulsion, and continue stirring for one hour at room temperature to prepare a mixture of acrylic amino baking varnish emulsion, compound emulsifier and co-emulsifier.

[0156] (3) Preparation of modified inverse emulsion

[0157] In...

Embodiment 2

[0172] (1) Nano-TiO 2 Preparation of aqueous system

[0173] Take 100ml H 2 O, add 0.1g sodium dodecylsulfonate and 2g nano-TiO 2 , for grinding, and adding an appropriate amount of NH 3 ·H 2 O to adjust the pH value to 8.5, followed by ultrasonic dispersion to obtain nano-TiO 2 Aqueous system.

[0174] (2) Preparation of a mixture of acrylic amino baking varnish emulsion, compound emulsifier and co-emulsifier

[0175] Weigh 8.5g of Span80 and 1.5g of Tween60 (the hydrophilic-lipophilic balance (composite HLB) of the composite emulsifier is 13.31: HLB=85%×14.9+15%×4.3=13.31) and 1.5g of cyclohexane Alcohol co-emulsifier, the three are mixed at room temperature and stirred for half an hour, then add 16g of acrylic amino baking varnish emulsion, and continue stirring for one hour at room temperature to obtain a mixture of acrylic amino baking varnish emulsion, composite emulsifier and co-emulsifier.

[0176] (3) Preparation of modified inverse emulsion

[0177] In the mi...

Embodiment 3

[0181] (1) Nano-TiO 2 Preparation of aqueous system

[0182] Take 100ml H 2 O, add 0.08g sodium dodecylbenzenesulfonate and 1g nano-TiO 2 , for grinding, and adding an appropriate amount of NH 3 ·H 2 O to adjust the pH value to 8.5, followed by ultrasonic dispersion to obtain nano-TiO 2 aqueous phase system.

[0183] (2) Preparation of a mixture of acrylic amino baking varnish emulsion, compound emulsifier and co-emulsifier

[0184] Weigh 8.0g of Span80 and 2.0g of Tween60 (the hydrophilic-lipophilic balance (composite HLB) of the composite emulsifier is 12.78: HLB=80%×14.9+20%×4.3=12.78) and 1.5g of cyclohexane Alcohol co-emulsifier, the three are mixed at room temperature and stirred for half an hour, then add 20g of acrylic amino baking varnish emulsion, and continue stirring for one hour at room temperature to prepare a mixture of acrylic amino baking varnish emulsion, composite emulsifier and co-emulsifier.

[0185] (3) Preparation of modified inverse emulsion

[...

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Abstract

The invention relates to improved amino baking varnish inverse emulsion and a preparation method thereof. The inverse emulsion comprises a water phase system of nano-titanium dioxide, amino baking varnish emulsion, a composite emulsifier and an assistant emulsifier, wherein the composite emulsifier is the mixture of polyoxyethylene 20 sorbitan monostearate and sorbitan monooleate. The baking varnish prepared by the improved amino baking varnish inverse emulsion greatly reduces the volatilization of organic substances, has the efficacy of degrading harmful gases such as formaldehyde, benzene compounds and the like and can release negative air ions of more than 800 / cm<3> to play the functions of purifying and cleaning air. In addition, the invention also relates to a method for preparing baking varnish coatings by using the improved amino baking varnish inverse emulsion.

Description

technical field [0001] The invention relates to a modified amino baking varnish inverse emulsion, in particular, the invention relates to a modified amino baking varnish inverse emulsion modified with nanometer titanium dioxide. In addition, the present invention also relates to a method for preparing the modified amino baking varnish inverse emulsion, and a method for preparing a baking varnish coating using the modified amino baking varnish inverse emulsion. Background technique [0002] People have been expecting to invent coatings that are similar to the effects of green plants: they can reduce the emission of organic volatiles, reduce the hazards of organic substances such as formaldehyde and benzene, and purify the air. [0003] Amino baking varnishes mainly include acrylic amino baking varnishes, alkyd amino baking varnishes and polyester amino baking varnishes. They have excellent film-forming properties, weather resistance and air tightness, and are widely used in e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D133/00C09D175/00C09D7/12
Inventor 徐瑞芬马卓尔李昊耿磊陶玉明于义龙
Owner JIANGSU KAOPULE NEW MATERIALS
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