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Double-component polyurethane coating capable of eliminating formaldehyde in air

A two-component polyurethane and coating technology, applied in the direction of polyurea/polyurethane coating, coating, etc., can solve the problems of poor durability, short lasting effect, low formaldehyde elimination rate, etc., and achieve the effect of high efficiency

Inactive Publication Date: 2014-10-29
金甲化工企业(中山)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this type of method are: (a) the elimination rate of formaldehyde in indoor air is low, and the lasting effect is short
The disadvantage of this method is: the formaldehyde elimination rate is low, and the production is difficult
[0006] (3) Use spray to remove formaldehyde, the disadvantage of this method is: poor persistence

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0024] Equipped with 165kg of two-component polyurethane paint with the ability to eliminate formaldehyde in the air, which is formulated from the following components: curing agent 50kg, main agent 115kg. The curing agent is prepared from the following components by weight: 30.3 kg of polymer of isocyanate and its derivatives, and 19.7 kg of butyl acetate. The main agent is prepared from the following components by weight: 19.5 kg of butyl acetate, 11.5 kg of ethylene glycol ether acetate, 0.5 kg of acrylic acid dispersant, 0.5 kg of organic silicon surface additive, and 64 kg of active hydrogen-containing resin , Matting Powder 3kg, Wax Powder 1kg, Chitin Derivatives Formaldehyde Removal Auxiliary 15kg.

[0025] Equipped with 165kg of two-component polyurethane coatings that eliminate formaldehyde in the air, through the following preparation process: including the following steps:

[0026] a, drop into the polymer 30.3kg of isocyanate and derivatives thereof and 19.7kg of ...

example 2

[0034] Equipped with 165kg of two-component polyurethane paint with the ability to eliminate formaldehyde in the air, which is formulated from the following components: curing agent 50kg, main agent 115kg. The curing agent is prepared from the following components by weight: 33.1 kg of polymers of isocyanate and its derivatives, and 16.9 kg of butyl acetate. The main agent is prepared from the following components by weight: 10.5kg of butyl acetate, 11.5kg of ethylene glycol ether acetate, 1kg of acrylic acid dispersant, 1kg of organic silicon surface additive, 70kg of resin containing active hydrogen, and extinction 4.5kg powder, 1.5kg wax powder, 15kg chitin derivative formaldehyde removal aid.

[0035] Equipped with 165kg of two-component polyurethane coatings that eliminate formaldehyde in the air, through the following preparation process: including the following steps:

[0036] a, drop into the polymer 33.1kg of isocyanate and derivatives thereof and 16.9kg of butyl ace...

example 3

[0044] Equipped with 165kg of two-component polyurethane paint with the ability to eliminate formaldehyde in the air, which is formulated from the following components: curing agent 50kg, main agent 115kg. The curing agent is prepared from the following components by weight: 35 kg of polymers of isocyanate and its derivatives, and 15 kg of butyl acetate. The main agent is prepared from the following components by weight: 10 kg of butyl acetate, 6.5 kg of ethylene glycol ether acetate, 1 kg of acrylic acid dispersant, 1 kg of organic silicon surface additive, 74 kg of active hydrogen-containing resin, matting powder 6kg, 1.5kg of wax powder, 15kg of formaldehyde-removing additives for chitin derivatives.

[0045] Equipped with 165kg of two-component polyurethane coatings that eliminate formaldehyde in the air, through the following preparation process: including the following steps:

[0046] a. Add 35kg of polymers of isocyanate and its derivatives and 15kg of butyl acetate in a...

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PUM

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Abstract

The invention relates to the technical field of polyurethane coating and particularly relates to a double-component polyurethane coating capable of eliminating formaldehyde in air, which is used for coating surfaces of decorative boards such as wood decorative boards, plastic decorative boards and metal decorative boards. The coating consists of the following components in percent by weight: 30.3% of curing agent and 69.7% of base component. A preparation process for the coating comprises the following steps: preparing the double-component polyurethane coating curing agent in a stirring tank I; and preparing the double-component polyurethane coating base component for absorbing and decomposing formaldehyde in air in a stirring tank II. Compared with the prior art, the double-component polyurethane coating disclosed by the invention has beneficial effects that furniture, floors and decorative boards which are coated with the double-component polyurethane coating for absorbing and decomposing formaldehyde in air are high in formaldehyde removing efficiency; the double-component polyurethane coating can be produced by using simple production equipment of a plant; the coating has good adhesive force on home decoration boards such as woods, plastic boards and aluminum boards; the coating has protective functions of being scraping-resistant, scratch-resistant, impact-resistant and the like.

Description

technical field [0001] The invention relates to the technical field of polyurethane coatings, in particular to a two-component polyurethane coating capable of eliminating formaldehyde in the air, which is used for surface coating of wooden, plastic, metal and other decorative boards. Background technique [0002] Formaldehyde is a volatile organic compound, colorless, with a special smell, slightly heavier than air, and easily soluble in water. 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 lu...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D7/12C08G18/62
Inventor 段利刚
Owner 金甲化工企业(中山)有限公司