CN104119792A - Double-component polyurethane coating capable of eliminating formaldehyde in air - Google Patents
Double-component polyurethane coating capable of eliminating formaldehyde in air Download PDFInfo
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- CN104119792A CN104119792A CN201410345882.5A CN201410345882A CN104119792A CN 104119792 A CN104119792 A CN 104119792A CN 201410345882 A CN201410345882 A CN 201410345882A CN 104119792 A CN104119792 A CN 104119792A
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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
The present invention relates to polyurethane coating technical field, particularly a kind of bicomponent polyurethane coating of eliminating air formaldehyde that has for surface of decorative plate coatings such as wooden, plastic cement and metals.
Background technology
Formaldehyde is a kind of volatile organic compounds, colourless, have special odor, slightly overweight air, soluble in water.Formaldehyde has material impact to HUMAN HEALTH, and eyes, respiratory tract, human body mucous membrane and skin are had to strong impulse effect; The symptoms such as acute poisoning can cause shedding tears, runny nose, cough, cause various respiratory tract disease; Chronic inhalation of low concentration can cause unrelenting headache, unable, insomnia etc.; Long-term skin contact can cause dermatitis, and respiratory system, Digestive tract and central nervous system to human body produce detrimentally affect, cause lung and liver immunologic dysfunction.Formaldehyde is so serious to harm, produces the effective building material product of degradation of formaldehyde and caused the attention of building trade.
In existing elimination air, the method for formaldehyde ability has:
(1) overlay as absorption layer upholstery building materials middle level or lower floors such as being sprayed on floor, furniture, decoration material by activated carbon or bamboo carbon powder and tealeaves or Chinese medicinal materials liquid or powder.This class methods shortcoming is: (a) low to formaldehyde in indoor air elimination factor, lasting effect is short.(b) production technique length consuming time, is not suitable for streamline and produces fast.(c) itself is opaque simultaneously, if coating and building material surface can hide color, texture or the pattern of decoration material.
(2) add, overlay negative ion bisque and building materials upper and lower surface.Negative ion powder anion releasing or negative oxygen ion, in air, remove to eliminate formaldehyde.This method shortcoming is: formaldehyde elimination factor is low, and production difficulty is large.
(3) use spray except formaldehyde, this method shortcoming is: persistence is poor.
(4) use UV-curing to eliminate formaldehyde finish paint: although aldehydes removal efficiency is high, to require high to application processing units.
Therefore be necessary to provide a kind of coating of eliminating formaldehyde in air that has.
Summary of the invention
The object of the invention is to defect and deficiency for prior art, provide a kind of factory's simple machine that is suitable for to produce fast, have the bicomponent polyurethane coating of eliminating formaldehyde in air.
For achieving the above object, the technical solution used in the present invention is:
A kind of bicomponent polyurethane coating of eliminating formaldehyde in air that has of the present invention, described coating is made up of the component of following weight degree: solidifying agent 30.3%, host 69.7%; Described solidifying agent is made up of the component of following weight degree: the polymkeric substance 30～80% of isocyanic ester and derivative thereof, N-BUTYL ACETATE 20～70%; Described host is made up of the component of following weight degree: N-BUTYL ACETATE 1～20%, ethylene glycol ether acetate 1～15%, acrylic acid dispersant 0～1.0%, organosilicon surface modifier 0～1%, containing the resin 60～80% of active hydrogen, flatting silica 0～10%, wax powder 0～1%, chitin derivativ is except Formaldehyde as Additives 1～15%.
Further, active hydrogen is any in hydroxyl, carboxyl, amido, coloured glaze base, active hydrogen resin is unsaturated polyester ester polyol, polycaprolactone polyol, saturated or undersaturated oily modified fat acid acid modified alcoholic polyvalent alcohol, alkyd amino polyvalent alcohol, polycarbonate polyol, acrylic polyol, polyether glycol, epoxy polyol, fluorine-containing polyvalent alcohol, saturated or unsaturated polyester resin, polycaprolactone resin, saturated or undersaturated oily modification or fatty acid modified Synolac, amino-alkyd resin, polycarbonate resin, acrylic resin, polyether resin, epoxy resin, urethane resin, cellulose acetate butyrate, any in fluorine resin etc.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: comprise the steps:
A, stirring the polymkeric substance and the N-BUTYL ACETATE that drop into successively isocyanic ester and derivative thereof in a tank, under nitrogen protection, stir 10 minutes, various raw materials are fully mixed, obtain bicomponent polyurethane coating solidifying agent;
B, drop into successively N-BUTYL ACETATE, ethylene glycol ether acetate, resin, acrylic acid dispersant, organosilicon surface modifier containing active hydrogen in two tanks and stir stirring, various raw materials are fully mixed;
C, in the solution of step b, drop into successively flatting silica, wax powder, chitin derivativ except Formaldehyde as Additives, various raw materials are evenly distributed in solution, make the fineness of solution reach 40 microns of bicomponent polyurethane coating hosts that are absorbed and decompose formaldehyde in air below.
The present invention's beneficial effect is compared with prior art:
1, to absorb and decompose furniture, floor, the decorative sheet aldehydes removal efficiency of the bicomponent polyurethane coating of formaldehyde in air high in coating.
2, can be applicable to the simple and easy production unit operation of factory;
3, this coating possesses good sticking power to house decoration sheet materials such as timber, plastic plate, aluminium plates;
4, this coating has scratch resistance, damage resistant, the defencive function such as shock-resistant.
Embodiment
Describe the present invention below in conjunction with specific embodiment, following embodiment and explanation are only used for explaining the present invention, but not as a limitation of the invention.
Example 1:
Be equipped with 165kg and there is the bicomponent polyurethane coating of eliminating formaldehyde in air, formulated by the component of following weight: solidifying agent 50kg, host 115kg.Described solidifying agent is formulated by the component of following weight: the polymkeric substance 30.3kg of isocyanic ester and derivative thereof, N-BUTYL ACETATE 19.7kg.Described host is formulated by the component of following weight: N-BUTYL ACETATE 19.5kg, ethylene glycol ether acetate 11.5kg, acrylic acid dispersant 0.5kg, organosilicon surface modifier 0.5kg, containing the resin 64kg of active hydrogen, flatting silica 3kg, wax powder 1kg, chitin derivativ is except Formaldehyde as Additives 15kg.
Be equipped with 165kg and there is the bicomponent polyurethane coating of eliminating formaldehyde in air, realize by following preparation technology: comprise the steps:
A, stirring the polymkeric substance 30.3kg and the N-BUTYL ACETATE 19.7kg that drop into successively isocyanic ester and derivative thereof in a tank, under nitrogen protection (stir time, to stirring a tank inflated with nitrogen, and it is evenly distributed in stirring one tank), stir 10 minutes, various raw materials are fully mixed, obtain bicomponent polyurethane coating solidifying agent;
B, drop into successively N-BUTYL ACETATE 19.5kg, ethylene glycol ether acetate 11.5kg, resin 64kg, acrylic acid dispersant 0.5kg, organosilicon surface modifier 0.5kg containing active hydrogen in two tanks and stir stirring, various raw materials are fully mixed;
C, in the solution of step b, drop into successively flatting silica 3kg, wax powder 1kg, chitin derivativ except Formaldehyde as Additives 15kg, various raw materials are evenly distributed in solution, make the fineness of solution reach 35 microns of bicomponent polyurethane coating hosts that are absorbed and decompose formaldehyde in air below.
D, coat the finishing materials such as wooden, plastic cement and metal after the host in the solidifying agent in step a and step c is fully mixed, or coat surface of decoration.
Active hydrogen is any in hydroxyl, carboxyl, amido, coloured glaze base.
Active hydrogen resin is unsaturated polyester ester polyol, polycaprolactone polyol, saturated or undersaturated oily modified fat acid acid modified alcoholic polyvalent alcohol, alkyd amino polyvalent alcohol, polycarbonate polyol, acrylic polyol, polyether glycol, epoxy polyol, fluorine-containing polyvalent alcohol, saturated or unsaturated polyester resin, polycaprolactone resin, saturated or undersaturated oily modification or fatty acid modified Synolac, amino-alkyd resin, polycarbonate resin, acrylic resin, polyether resin, epoxy resin, urethane resin, cellulose acetate butyrate, any in fluorine resin etc.
In the time selecting active hydrogen resin, mainly consider any in the preferred acrylic polyol of the present invention, acrylic resin, Hydroxylated acrylic resin from the angle of ten dry property, hardening and economy.
Example 2:
Be equipped with 165kg and there is the bicomponent polyurethane coating of eliminating formaldehyde in air, formulated by the component of following weight: solidifying agent 50kg, host 115kg.Described solidifying agent is formulated by the component of following weight: the polymkeric substance 33.1kg of isocyanic ester and derivative thereof, N-BUTYL ACETATE 16.9kg.Described host is formulated by the component of following weight: N-BUTYL ACETATE 10.5kg, ethylene glycol ether acetate 11.5kg, acrylic acid dispersant 1kg, organosilicon surface modifier 1kg, containing the resin 70kg of active hydrogen, flatting silica 4.5kg, wax powder 1.5kg, chitin derivativ is except Formaldehyde as Additives 15kg.
Be equipped with 165kg and there is the bicomponent polyurethane coating of eliminating formaldehyde in air, realize by following preparation technology: comprise the steps:
A, stirring the polymkeric substance 33.1kg and the N-BUTYL ACETATE 16.9kg that drop into successively isocyanic ester and derivative thereof in a tank, under nitrogen protection (stir time, to stirring a tank inflated with nitrogen, and it is evenly distributed in stirring one tank), stir 10 minutes, various raw materials are fully mixed, obtain bicomponent polyurethane coating solidifying agent;
B, drop into successively N-BUTYL ACETATE 10.5kg, ethylene glycol ether acetate 11.5kg, resin 70kg, acrylic acid dispersant 1kg, organosilicon surface modifier 1kg containing active hydrogen in two tanks and stir stirring, various raw materials are fully mixed;
C, in the solution of step b, drop into successively flatting silica 4.5kg, wax powder 1.5kg, chitin derivativ except Formaldehyde as Additives 15kg, various raw materials are evenly distributed in solution, make the fineness of solution reach 36 microns of bicomponent polyurethane coating hosts that are absorbed and decompose formaldehyde in air below.
D, coat the finishing materials such as wooden, plastic cement and metal after the host in the solidifying agent in step a and step c is fully mixed, or coat surface of decoration.
Active hydrogen is any in hydroxyl, carboxyl, amido, coloured glaze base.
Active hydrogen resin is unsaturated polyester ester polyol, polycaprolactone polyol, saturated or undersaturated oily modified fat acid acid modified alcoholic polyvalent alcohol, alkyd amino polyvalent alcohol, polycarbonate polyol, acrylic polyol, polyether glycol, epoxy polyol, fluorine-containing polyvalent alcohol, saturated or unsaturated polyester resin, polycaprolactone resin, saturated or undersaturated oily modification or fatty acid modified Synolac, amino-alkyd resin, polycarbonate resin, acrylic resin, polyether resin, epoxy resin, urethane resin, cellulose acetate butyrate, any in fluorine resin etc.
In the time selecting active hydrogen resin, mainly consider any in the preferred acrylic polyol of the present invention, acrylic resin, Hydroxylated acrylic resin from the angle of ten dry property, hardening and economy.
Example 3:
Be equipped with 165kg and there is the bicomponent polyurethane coating of eliminating formaldehyde in air, formulated by the component of following weight: solidifying agent 50kg, host 115kg.Described solidifying agent is formulated by the component of following weight: the polymkeric substance 35kg of isocyanic ester and derivative thereof, N-BUTYL ACETATE 15kg.Described host is formulated by the component of following weight: N-BUTYL ACETATE 10kg, ethylene glycol ether acetate 6.5kg, acrylic acid dispersant 1kg, organosilicon surface modifier 1kg, containing the resin 74kg of active hydrogen, flatting silica 6kg, wax powder 1.5kg, chitin derivativ is except Formaldehyde as Additives 15kg.
Be equipped with 165kg and there is the bicomponent polyurethane coating of eliminating formaldehyde in air, realize by following preparation technology: comprise the steps:
A, stirring the polymkeric substance 35kg and the N-BUTYL ACETATE 15kg that drop into successively isocyanic ester and derivative thereof in a tank, under nitrogen protection (stir time, to stirring a tank inflated with nitrogen, and it is evenly distributed in stirring one tank), stir 10 minutes, various raw materials are fully mixed, obtain bicomponent polyurethane coating solidifying agent;
B, drop into successively N-BUTYL ACETATE 10kg, ethylene glycol ether acetate 6.5kg, resin 74kg, acrylic acid dispersant 1kg, organosilicon surface modifier 1kg containing active hydrogen in two tanks and stir stirring, various raw materials are fully mixed;
C, in the solution of step b, drop into successively flatting silica 6kg, wax powder 1.5kg, chitin derivativ except Formaldehyde as Additives 15kg, various raw materials are evenly distributed in solution, make the fineness of solution reach 37 microns of bicomponent polyurethane coating hosts that are absorbed and decompose formaldehyde in air below.
D, coat the finishing materials such as wooden, plastic cement and metal after the host in the solidifying agent in step a and step c is fully mixed, or coat surface of decoration.
Active hydrogen is any in hydroxyl, carboxyl, amido, coloured glaze base.
Active hydrogen resin is unsaturated polyester ester polyol, polycaprolactone polyol, saturated or undersaturated oily modified fat acid acid modified alcoholic polyvalent alcohol, alkyd amino polyvalent alcohol, polycarbonate polyol, acrylic polyol, polyether glycol, epoxy polyol, fluorine-containing polyvalent alcohol, saturated or unsaturated polyester resin, polycaprolactone resin, saturated or undersaturated oily modification or fatty acid modified Synolac, amino-alkyd resin, polycarbonate resin, acrylic resin, polyether resin, epoxy resin, urethane resin, cellulose acetate butyrate, any in fluorine resin etc.
In the time selecting active hydrogen resin, mainly consider any in the preferred acrylic polyol of the present invention, acrylic resin, Hydroxylated acrylic resin from the angle of ten dry property, hardening and economy.
Example 4:
Be equipped with 165kg and there is the bicomponent polyurethane coating of eliminating formaldehyde in air, formulated by the component of following weight: solidifying agent 50kg, host 115kg.Described solidifying agent is formulated by the component of following weight: the polymkeric substance 35kg of isocyanic ester and derivative thereof, N-BUTYL ACETATE 15kg.Described host is formulated by the component of following weight: N-BUTYL ACETATE 5kg, ethylene glycol ether acetate 11.5kg, acrylic acid dispersant 1kg, organosilicon surface modifier 1kg, containing the resin 74kg of active hydrogen, flatting silica 6kg, wax powder 1.5kg, chitin derivativ is except Formaldehyde as Additives 15kg.
Be equipped with 165kg and there is the bicomponent polyurethane coating of eliminating formaldehyde in air, realize by following preparation technology: comprise the steps:
A, stirring the polymkeric substance 35kg and the N-BUTYL ACETATE 15kg that drop into successively isocyanic ester and derivative thereof in a tank, under nitrogen protection (stir time, to stirring a tank inflated with nitrogen, and it is evenly distributed in stirring one tank), stir 10 minutes, various raw materials are fully mixed, obtain bicomponent polyurethane coating solidifying agent;
B, drop into successively N-BUTYL ACETATE 5kg, ethylene glycol ether acetate 11.5kg, resin 74kg, acrylic acid dispersant 1kg, organosilicon surface modifier 1kg containing active hydrogen in two tanks and stir stirring, various raw materials are fully mixed;
C, in the solution of step b, drop into successively flatting silica 6kg, wax powder 1.5kg, chitin derivativ except Formaldehyde as Additives 15kg, various raw materials are evenly distributed in solution, make the fineness of solution reach 38 microns of bicomponent polyurethane coating hosts that are absorbed and decompose formaldehyde in air below.
D, coat the finishing materials such as wooden, plastic cement and metal after the host in the solidifying agent in step a and step c is fully mixed, or coat surface of decoration.
Active hydrogen is any in hydroxyl, carboxyl, amido, coloured glaze base.
Active hydrogen resin is unsaturated polyester ester polyol, polycaprolactone polyol, saturated or undersaturated oily modified fat acid acid modified alcoholic polyvalent alcohol, alkyd amino polyvalent alcohol, polycarbonate polyol, acrylic polyol, polyether glycol, epoxy polyol, fluorine-containing polyvalent alcohol, saturated or unsaturated polyester resin, polycaprolactone resin, saturated or undersaturated oily modification or fatty acid modified Synolac, amino-alkyd resin, polycarbonate resin, acrylic resin, polyether resin, epoxy resin, urethane resin, cellulose acetate butyrate, any in fluorine resin etc.
In the time selecting active hydrogen resin, mainly consider any in the preferred acrylic polyol of the present invention, acrylic resin, Hydroxylated acrylic resin from the angle of ten dry property, hardening and economy.
The present invention's beneficial effect is compared with prior art:
1, to absorb and decompose furniture, floor, the decorative sheet aldehydes removal efficiency of the bicomponent polyurethane coating of formaldehyde in air high in coating.
2, can be applicable to the simple and easy production unit operation of factory;
3, this coating possesses good sticking power to house decoration sheet materials such as timber, plastic plate, aluminium plates;
4, this coating has scratch resistance, damage resistant, the defencive function such as shock-resistant.
The above is only in order to convenient explanation the present invention, and not departing from the spiritual category of the present invention's creation, that is familiar with that those skilled in the art of this technology does various simple in a disguised form should belong to protection scope of the present invention with modification.
Claims (3)
1. have a formula of eliminating the bicomponent polyurethane coating of formaldehyde in air, described coating is made up of the component of following weight degree: solidifying agent 30.3%, host 69.7%;
Described solidifying agent is made up of the component of following weight degree: the polymkeric substance 30～80% of isocyanic ester and derivative thereof, N-BUTYL ACETATE 20～70%;
Described host is made up of the component of following weight degree: N-BUTYL ACETATE 1～20%, ethylene glycol ether acetate 1～15%, acrylic acid dispersant 0～1.0%, organosilicon surface modifier 0～1%, containing the resin 60～80% of active hydrogen, flatting silica 0～10%, wax powder 0～1%, chitin derivativ is except Formaldehyde as Additives 1～15%.
2. a kind of formula of eliminating the bicomponent polyurethane coating of formaldehyde in air that has according to claim 1, active hydrogen is any in hydroxyl, carboxyl, amido, coloured glaze base, active hydrogen resin is unsaturated polyester ester polyol, polycaprolactone polyol, saturated or undersaturated oily modified fat acid acid modified alcoholic polyvalent alcohol, alkyd amino polyvalent alcohol, polycarbonate polyol, acrylic polyol, polyether glycol, epoxy polyol, fluorine-containing polyvalent alcohol, saturated or unsaturated polyester resin, polycaprolactone resin, saturated or undersaturated oily modification or fatty acid modified Synolac, amino-alkyd resin, polycarbonate resin, acrylic resin, polyether resin, epoxy resin, urethane resin, cellulose acetate butyrate, any in fluorine resin etc.
3. a kind of preparation method of eliminating the bicomponent polyurethane coating of formaldehyde in air that has according to claim 1, is characterized in that: comprise the steps:
A, stirring the polymkeric substance and the N-BUTYL ACETATE that drop into successively isocyanic ester and derivative thereof in a tank, under nitrogen protection, stir 10 minutes, various raw materials are fully mixed, obtain bicomponent polyurethane coating solidifying agent;
B, drop into successively N-BUTYL ACETATE, ethylene glycol ether acetate, resin, acrylic acid dispersant, organosilicon surface modifier containing active hydrogen in two tanks and stir stirring, various raw materials are fully mixed;
C, in the solution of step b, drop into successively flatting silica, wax powder, chitin derivativ except Formaldehyde as Additives, various raw materials are evenly distributed in solution, make the fineness of solution reach 40 microns of bicomponent polyurethane coating hosts that are absorbed and decompose formaldehyde in air below.
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| CN201410345882.5A CN104119792A (en) | 2014-07-19 | 2014-07-19 | Double-component polyurethane coating capable of eliminating formaldehyde in air |
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| CN201410345882.5A CN104119792A (en) | 2014-07-19 | 2014-07-19 | Double-component polyurethane coating capable of eliminating formaldehyde in air |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105295473A (en) * | 2015-12-01 | 2016-02-03 | 重庆工商职业学院 | Environment-friendly coating for removing formaldehyde |
| CN105295482A (en) * | 2015-12-01 | 2016-02-03 | 重庆工商职业学院 | Compound type coating for removing formaldehyde by combining adsorption with chemical reaction |
| CN105385331A (en) * | 2015-12-21 | 2016-03-09 | 四川努客家居有限公司 | Environment-friendly odorless furniture and manufacturing method thereof |
| CN105400333A (en) * | 2015-12-21 | 2016-03-16 | 四川努客家居有限公司 | High yellowing-resistant herbaceous refreshing furniture and preparation method thereof |
| CN105419605A (en) * | 2015-12-22 | 2016-03-23 | 上海韬鸿化工科技有限公司 | Environment-friendly and odorless furniture and manufacturing method therefor |
| CN105599095A (en) * | 2015-12-22 | 2016-05-25 | 上海韬鸿化工科技有限公司 | Herbal smell clearing furniture with high yellowing resistance and preparing method thereof |
| CN107892870A (en) * | 2017-12-13 | 2018-04-10 | 山东诺威体育产业有限公司 | Polyurethane mask synthetic material of plastic cement race track surface layer and preparation method thereof |
| CN110951336A (en) * | 2018-09-26 | 2020-04-03 | 台山市都斛亚美化工有限公司 | Modified acrylic varnish and preparation method thereof |
| CN111040607A (en) * | 2019-12-25 | 2020-04-21 | 东莞大宝化工制品有限公司 | PU transparent finish paint with odor-removing effect and preparation method thereof |
| CN111440520A (en) * | 2020-04-28 | 2020-07-24 | 上海君子兰新材料股份有限公司 | Polyurethane varnish and preparation method and application thereof |
| CN112920685A (en) * | 2021-04-07 | 2021-06-08 | 鹏旺科技开发(苏州)有限公司 | Anticorrosive environment-friendly paint capable of automatically volatilizing fragrance element |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105599095A (en) * | 2015-12-22 | 2016-05-25 | 上海韬鸿化工科技有限公司 | Herbal smell clearing furniture with high yellowing resistance and preparing method thereof |
| CN107892870A (en) * | 2017-12-13 | 2018-04-10 | 山东诺威体育产业有限公司 | Polyurethane mask synthetic material of plastic cement race track surface layer and preparation method thereof |
| CN107892870B (en) * | 2017-12-13 | 2020-08-11 | 山东一诺威体育产业有限公司 | Polyurethane mask synthetic material for plastic track surface layer and preparation method thereof |
| CN110951336A (en) * | 2018-09-26 | 2020-04-03 | 台山市都斛亚美化工有限公司 | Modified acrylic varnish and preparation method thereof |
| CN111040607A (en) * | 2019-12-25 | 2020-04-21 | 东莞大宝化工制品有限公司 | PU transparent finish paint with odor-removing effect and preparation method thereof |
| CN111440520A (en) * | 2020-04-28 | 2020-07-24 | 上海君子兰新材料股份有限公司 | Polyurethane varnish and preparation method and application thereof |
| CN112920685A (en) * | 2021-04-07 | 2021-06-08 | 鹏旺科技开发(苏州)有限公司 | Anticorrosive environment-friendly paint capable of automatically volatilizing fragrance element |
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Application publication date: 20141029 |