Flame-retardant acrylic resin coating material capable of slowly releasing negative oxygen ions, and preparation method thereof

A technology of acrylic resin and negative oxygen ions, which is applied in the direction of fireproof coatings, coatings, latex paints, etc., can solve the problems of large influence on film mechanical properties and uneven flame retardant effect, and achieve low cost, good flame retardant effect, and excellent The effect of flame retardancy

Pending Publication Date: 2019-06-04
南京新莱尔材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of the patent of the present invention is to overcome the inhomogeneous flame retardant effect of the traditional flame retardant acrylic resin emulsion prepared by directly adding flame retardant, which has a great influence on the mechanical properties of the film after film formation, and the defects of the amount of flame retardant added, and provide a A method for preparing a flame-retardant acrylic resin coating with simple production process, good strength and bonding performance, good water resistance, and excellent flame retardancy, and at the same time endows the coating with the function of releasing negative oxygen ions

Method used

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  • Flame-retardant acrylic resin coating material capable of slowly releasing negative oxygen ions, and preparation method thereof
  • Flame-retardant acrylic resin coating material capable of slowly releasing negative oxygen ions, and preparation method thereof
  • Flame-retardant acrylic resin coating material capable of slowly releasing negative oxygen ions, and preparation method thereof

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Embodiment 1

[0022] A flame-retardant acrylic resin coating for slow release of negative oxygen ions and a preparation method thereof, comprising the following steps and process conditions:

[0023] (1) Preparation of reactive flame retardant molecular modification precursor solution: add 80% water, 2% nitrogen and phosphorus series flame retardants including 1% ammonium polyphosphate and 1% melamine polyphosphate to the reaction vessel in sequence , 2% of the flame retardant synergist diethylaluminum phosphate, 1% of the char-forming agent polyamide resin, and high-speed stirring and mixing to obtain the precursor solution;

[0024] (2) Preparation process of flame retardant modified emulsion: Add 0.1% emulsifier alkylphenol polyoxyethylene ether and 0.1% dispersant sodium dodecylbenzene sulfonate to the reaction precursor in step (1), and Add 25% cyclic phosphate flame retardant, 1% melamine, and 2% protective colloid hydroxyethyl cellulose drop by drop during the emulsification process ...

Embodiment 2

[0034] A flame-retardant acrylic resin coating for slow release of negative oxygen ions and a preparation method thereof, comprising the following steps and process conditions:

[0035] (1) Preparation of reactive flame retardant molecular modification precursor solution: add 90% water, 3% nitrogen and phosphorus series flame retardants including 2% ammonium polyphosphate and 1% melamine polyphosphate to the reaction vessel in sequence , 2% of the flame retardant synergist diethyl aluminum hypophosphite, 1% of the char-forming agent polyamide resin, and high-speed stirring and mixing to obtain the precursor solution;

[0036] (2) Preparation process of flame retardant modified emulsion: Add 0.1% emulsifier alkylphenol polyoxyethylene ether and 0.2% dispersant sodium dodecylbenzenesulfonate to the reaction precursor in step (1), and Add 25% cyclic phosphate flame retardant, 1% melamine, and 2% protective colloid hydroxyethyl cellulose drop by drop during the emulsification proc...

Embodiment 3

[0042] A flame-retardant acrylic resin coating for slow release of negative oxygen ions and a preparation method thereof, comprising the following steps and process conditions:

[0043] (1) Preparation of reactive flame retardant molecular modification precursor solution: add 80% water, 2% nitrogen and phosphorus series flame retardants including 1% ammonium polyphosphate and 1% melamine polyphosphate to the reaction vessel in sequence , 2% of the flame retardant synergist diethyl aluminum hypophosphite, 2% of the carbon forming agent polyamide resin, and high-speed stirring and mixing to obtain the precursor solution;

[0044] (2) Preparation process of flame retardant modified emulsion: Add 0.1% emulsifier alkylphenol polyoxyethylene ether and 0.1% dispersant sodium dodecylbenzene sulfonate to the reaction precursor in step (1), and Add 25% cyclic phosphate flame retardant, 1% melamine, and 1% protective colloid hydroxyethyl cellulose drop by drop during the emulsification p...

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Abstract

The invention discloses a flame-retardant acrylic resin coating material capable of slowly releasing negative oxygen ions, and a preparation method thereof. According to the present invention, an acrylic resin is functionally modified with organic and inorganic active molecules, such that the generated core-shell structure polyacrylic resin has characteristics of remarkable fire resistance, waterresistance, high film forming strength and high solid content (not lower than 67%); the prepared fireproof polyacrylic resin aqueous emulsion is used as a film-forming agent, and is added with a dispersant, a drying agent, an anti-settling agent, an antifoaming agent, a preservative, an anti-skinning agent, a leveling agent, a pigment and other auxiliary materials, and an oxygen negative ion emission agent to prepare the high-performance fireproof aqueous acrylic resin coating material capable of releasing negative oxygen ions; and the prepared coating material has characteristics of environmental protection, negative oxygen ion releasing, fire resistance, fire retardation and low cost, and can be widely used in woodware, metals, plastics, glasses, building surfaces and other materials.

Description

technical field [0001] The invention belongs to the field of design and synthesis of environmentally friendly water-based coatings, in particular to a flame-retardant acrylic resin coating with slow release of negative oxygen ions and its preparation method, designed and prepared from the perspectives of molecular function modification and polymer structure construction Green and environmentally friendly water-based coating products, with the added function of releasing negative oxygen ions, can be used on a large scale in various materials such as wood, metal, plastic, glass, and building surfaces. Background technique [0002] Indoor coatings are mainly divided into two types: water-based coatings and solvent-based coatings. At present, the main cause of pollution to the environment is the large-scale use of solvent-based paints, and the use of environmentally friendly water-based paints can completely eliminate the concern about paint pollution. Any solvent-based paint w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/00C09D5/18C09D5/02C09D7/20C09D7/46C09D7/47C09D7/61C09D7/63C08F2/30C08F2/26C08F220/14C08F220/18C08F220/06C08F265/04C08F218/10
Inventor 程凡黄小芸刘德礼
Owner 南京新莱尔材料科技有限公司
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