Nano water-based formaldehyde-sealing coating and preparation method thereof

A water-based, formaldehyde-based technology, applied in fire-resistant coatings, epoxy resin coatings, coatings, etc., can solve the problems of excessive formaldehyde content, limited formaldehyde sealing effect, and long time consumption, and achieve low VOC, good mechanical properties, and simple construction convenient effect

Inactive Publication Date: 2017-09-08
祁守岗
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a nano water-based formaldehyde-encapsulating coating and a preparation method thereof to solve the problems that the indoor formaldehyde content exceeds the standard caused by the existing indoor decoration, conventional ventilation and physical adsorption take a long time to remove, and the existing sealing coating has limited sealing effect on formaldehyde The nano water-based formaldehyde-encapsulating coating provided by the p

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A kind of nanometer water-based closed formaldehyde paint, takes raw material according to following weight percentage:

[0032] Waterborne epoxy resin 48.0%

[0033] Water-based dispersant 0.6%

[0034] Nanocellulose 8.0%

[0035] Superfine micro wax powder 2.0%

[0036] Emulsifier 0.2%

[0037] Waterborne epoxy curing agent 17.0%

[0038] Defoamer 0.3%

[0039] Thickener 1.4%

[0040] Coalescent 2.6%

[0041] PH regulator 0.5%

[0042] Preservatives 0.2%

[0043] Leveling agent 0.2%

[0044] The balance is deionized water

[0045] Add deionized water into the emulsification kettle, add emulsifier, stir at high speed until the emulsifier dissolves, add superfine micro wax powder, and emulsify for 25 minutes to prepare a pre-emulsified superfine micro wax powder mixture;

[0046] Take water-based epoxy resin and water-based dispersant and add to the reaction kettle, and disperse at 400rpm for 20min to prepare a water-based epoxy resin system;

[0047] Take t...

Embodiment 2

[0050] A kind of nanometer water-based closed formaldehyde paint, takes raw material according to following weight percentage:

[0051] Waterborne epoxy resin 50.0%

[0052] Water-based dispersant 0.8%

[0053] Nanocellulose 3.0%

[0054] Superfine micro wax powder 3.0%

[0055] Emulsifier 0.5%

[0056] Waterborne epoxy curing agent 19.0%

[0057] Defoamer 0.2%

[0058] Thickener 0.7%

[0059] Coalescent 3.5%

[0060] PH regulator 0.7%

[0061] Preservatives 0.3%

[0062] Leveling agent 0.1%

[0063] The balance is deionized water

[0064] Add deionized water into the emulsification kettle, add emulsifier, stir at high speed until the emulsifier dissolves, add superfine micro wax powder, and emulsify for 40 minutes to prepare a pre-emulsified superfine micro wax powder mixture;

[0065] Water-based epoxy resin and water-based dispersant were added to the reaction kettle, and dispersed at 300 rpm for 25 minutes to obtain a water-based epoxy resin system;

[0066] Ta...

Embodiment 3

[0069] A kind of nanometer water-based closed formaldehyde paint, takes raw material according to following weight percentage:

[0070] Water-based epoxy resin 40.0%

[0071] Water-based dispersant 0.4%

[0072] Nanocellulose 10.0%

[0073] Micro Wax Powder 2.5%

[0074] Emulsifier 0.3%

[0075] Waterborne epoxy curing agent 16.0%

[0076] Defoamer 0.2%

[0077] Thickener 2.8%

[0078] Coalescent 4.7%

[0079] PH regulator 0.7%

[0080] Preservatives 0.7%

[0081] Leveling agent 0.3%

[0082] The balance is deionized water

[0083] Add deionized water into the emulsification kettle, add emulsifier, stir at high speed until the emulsifier dissolves, add superfine micro wax powder, and emulsify for 35 minutes to prepare a pre-emulsified superfine micro wax powder mixture;

[0084] Take water-based epoxy resin and water-based dispersant and add to the reaction kettle, and disperse at 400rpm for 30min to prepare a water-based epoxy resin system;

[0085] Take the pre-e...

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Abstract

The invention relates to a nano water-based formaldehyde-sealing coating and a preparation method thereof. The nano water-based formaldehyde-sealing coating is prepared from the following components in percentage by weight: 2.0 to 10.0 percent of nano-crystalline cellulose, 0.5 to 3.0 percent of ultrafine micro wax powder and the balance of water-based epoxy resin, a water-based dispersing agent, a functional adjuvant, deionized water and a water-based epoxy curing agent. The nano water-based formaldehyde-sealing coating is excellent in tightness, adhesiveness and wear resistance; when the surface of furniture is coated with the nano water-based formaldehyde-sealing coating, a layer of protective sealing film can be formed on the surface of a furniture coating layer; the protective sealing film can firstly seal formaldehyde and prevent formaldehyde gas in furniture plates and coating layers from being volatilized; the preparation method is mild in condition, simple in process and more environmentally-friendly. The problems that the indoor formaldehyde content exceeds the standard content due to existing indoor decoration, time for removal of the formaldehyde via conventional ventilation and physical adsorption is long, and the sealing effect of the existing sealing coating on the formaldehyde is limited are solved.

Description

technical field [0001] The invention relates to the technical field of nano water-based coatings, in particular to a nano-water-based closed formaldehyde coating and a preparation method thereof. Background technique [0002] At present, people pay more and more attention to the problem of home decoration pollution. Indoor pollution includes benzene, toluene, formaldehyde, etc., among which the most harmful substance is formaldehyde. Formaldehyde has an important impact on human health and has a strong irritating effect on the eyes, respiratory tract, human mucous membranes and skin; acute poisoning can cause symptoms such as tearing, runny nose, coughing, and various respiratory diseases; chronic inhalation of low concentrations can cause persistent headaches , weakness, insomnia, etc.; long-term skin contact can cause dermatitis, which will have adverse effects on the human respiratory system, digestive system and central nervous system, resulting in abnormal lung and live...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/02C09D5/25C09D7/12C09D7/00
CPCC09D163/00C08L2201/06C08L2201/08C08L2201/10C08L2205/035C09D5/00C09D5/024C09D5/025C09D5/027C09D5/18C08L1/02C08L91/06
Inventor 祁守岗祁欣妤王晶晶
Owner 祁守岗
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