CN103073935A - Transparent expansion type fire-retardant paint and preparation method - Google Patents

Transparent expansion type fire-retardant paint and preparation method Download PDF

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Publication number
CN103073935A
CN103073935A CN2013100234442A CN201310023444A CN103073935A CN 103073935 A CN103073935 A CN 103073935A CN 2013100234442 A CN2013100234442 A CN 2013100234442A CN 201310023444 A CN201310023444 A CN 201310023444A CN 103073935 A CN103073935 A CN 103073935A
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retardant coating
frie retardant
swelling type
transparency
resin
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汪慧
时虎
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Hefei Anjuda New Material Science & Technology Co Ltd
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Hefei Anjuda New Material Science & Technology Co Ltd
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Abstract

The invention discloses a transparent expansion type fire-retardant paint and a preparation method, wherein the transparent expansion type fire-retardant paint is prepared by the following ingredients by the mass percentage: 40 to 60 percent of acid source resin, 20 to 50 percent of methylated amino resin, 3 to 10 percent of silicon source pentaerythritol triacrylate, 2 to 6 percent of initiating agent, 0.5 to 2 percent of leveling agent, and 0.5 to 2 percent of antifoam additive organosilicon resin, and all the ingredients are 100 percent in sum. Stirring is uniformly performed under 40 to 60 DEG C, then solidification is performed through ultraviolet light or low energy electron beam irradiation, and then the transparent expansion type fire-retardant paint is obtained. The preparation method for the transparent fire-retardant paint is simple, the expansion effect is obvious, the oxygen index is high, and the fire-resistant performance is excellent.

Description

A kind of transparency swelling type frie retardant coating and preparation method thereof
Technical field
The invention belongs to the frie retardant coating technical field, be specifically related to transparent halogen-free frie retardant coating and preparation method thereof.
Background technology
Along with people's living standard improves day by day, people are more and more higher to the requirement of daily living environment.Timber and fabric are owing to its abundant color and luster, shape and be easy to process among the life that is widely used in people, such as construction and decoration and furnishings.Yet it brings the huge easily while to the human lives, because its inflammableness has but been brought potential fire hazard, causes serious consequence.Therefore, in order to reduce the combustion heat of timber fire, fire preventing occurs, and is necessary timber and fabric are carried out flameproof protection.Reported a kind of bromine carbon Synolac transparent fire-resisting paint such as China Patent Publication No. CN102746773A, its limiting oxygen index(LOI) is 29%.Yet this frie retardant coating contains halogen, and it can produce toxic gas when burning, to environment.Therefore, the halogen-free environmental transparent fire-resisting paint is the development trend of current frie retardant coating.
At present the Halogen frie retardant coating generally need to add the fire retardant of a large amount of organic or inorganics, and when construction must with the base-material blend; Blend has not only brought very large labor capacity and numerous and diverse step to construction, and the volatilization meeting of organic solvent damages environment and human body; Because the adding of a large amount of fire retardants also can make the over-all properties of system be affected, such as loss of adhesion, the transparency obviously reduces.Reported a kind of by borax 30-40 part, anhydrous sodium sulphate 10-20 part, sodium-chlor 50-60 part, talcum powder 6-10 part such as China Patent Publication No. CN102372934A, water glass 500-1000 part, urea 20-25 part, tetramethylolmethane 6-10 part is pressed the transparent fire-resisting paint that massfraction forms, and can be used in the timber buildings furniture.But because the existence of a large amount of inorganicss, the transparency is not high and water tolerance is bad.
Radiation curing is under UV-light or low energy electron beam irradiation, and liquid-state oligomers (comprising monomer) is crosslinked and obtain a kind of technology film through rapid polymerization.It is high that it has a capacity usage ratio, saves the energy, solvent-free volatilization, and safety non-pollution, curing speed is fast, and production efficiency is high, need not the advantages such as high temperature, is a kind of eco-friendly green technology.Therefore, utilize radiotechnology to prepare the concern that transparent Halogen frie retardant coating more and more is subject to people.
The preparation method of the phosphorus-nitrogen containing compound halogen-free flame retardants of a kind of radiation-curable of China Patent Publication No. CN1335352A report, the polyvalent alcohol of employing more function group P contained compound, acrylated and polyhydric replacement monoamine or diamine are response matrix, thereby obtain the nitrogenous phosphide fire retardant without halide of radiation-curable.This fire retardant can be applied in building, coating, plastics and the electric wire.Its shortcoming is this fire retardant synthesis technique more complicated and has than dark colour, can't use in the wood coatings that the transparency is had relatively high expectations.
So far there are no adopts radiation method to prepare the report of transparent fire-resisting paint.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of transparency swelling type frie retardant coating and preparation method thereof, and it is simple that the frie retardant coating of the method preparation has a good properties of transparency and fire resistance and preparation technology.
A kind of transparency swelling type frie retardant coating of the present invention, it is characterized in that its each component is by mass percentage: acid source resin 40-60%, source of the gas methyl-etherified aminoresin resin 20-50%, carbon source pentaerythritol triacrylate 3-10%, initiator 2-6%, leveling auxiliary agent 0.5-2% and froth breaking auxiliary agent silicone resin 0.5-2%, described each component sum is 100%.
The preparation method of transparency swelling type frie retardant coating of the present invention, it is characterized in that in the hybrid resin for the carbon source pentaerythritol triacrylate of the source of the gas resin of the acid source resin of 40-60%, 20-50% and 3-10% by mass percentage, add 2-6% initiator, the leveling auxiliary agent of 0.5-2% and the defoamer silicone resin of 0.5-2%, described each component sum is 100%; At 40-60 oC stirs, and in the presence of initiator, utilizes UV-light or low energy electron beam irradiation to solidify and obtains transparency swelling type frie retardant coating.
Preferably, described acid source resin is three vinylformic acid phosphoric acid ester, diacrylate phosphoric acid ester or tetrapropylene acid bisphosphate; Wherein the structural formula of three vinylformic acid phosphoric acid ester can be expressed as:
Figure BDA0000276159431
The structural formula of diacrylate phosphoric acid ester can be expressed as:
Figure BDA0000276159432
The structural formula of tetrapropylene acid bisphosphate can be expressed as:
Figure BDA0000276159433
R is the alkyl or aryl that contains 1-12 carbon in the formula, R 1Be ethyl or butyl.
Preferably, described initiator is 2-hydroxy-2-methyl-1-phenyl-acetone, 2,2-dimethoxy-2-phenyl methyl phenyl ketone, 1-hydroxy-cyclohexyl phenyl ketone or 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide.
Preferably, described leveling auxiliary agent is polyacrylic ester or silicone resin.
In the transparency swelling type frie retardant coating of the present invention, acid source has katalysis, can become charcoal by catalytic resin; Methyl-etherified aminoresin provides source of the gas for foamed char; Pentaerythritol triacrylate provides carbon source for foamed char.Owing to must have simultaneously acid source, source of the gas and carbon source, and when the ratio of acid source, source of the gas and carbon source is suitable, frie retardant coating can the time form more stable foamed char in burning, adopted among the present invention acid source with 40-60% be advisable, source of the gas is advisable with 3-10% with 20-50%, carbon source.
Maximum characteristics of the present invention are simultaneously acid source, source of the gas and carbon source to be incorporated in the radiation curing transparent fire-resisting paint simultaneously, can form preferably foamed char according to the expandable flame retardant principle, thereby base material is had preferably flameproof protection effect.
Adopt the prepared radiation-curable transparent flame-retardant coating of the inventive method to can be applicable to paper, timber, fabric, also can be used for plastics or metal.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the rear picture of pure plank thermal radiation test in the embodiment of the invention 3;
Fig. 2 is the rear picture of frie retardant coating protection plank thermal radiation test in the embodiment of the invention 3.
Embodiment,
The below further specifies the present invention with embodiment.
Embodiment 1:
Get three vinylformic acid phosphoric acid ester, 33 grams, methyl-etherified aminoresin resin 14.6 grams, pentaerythritol triacrylate 2.4 grams and initiator 2-hydroxy-2-methyl-1-phenyl-acetone 1 gram (2wt%), leveling auxiliary agent polyacrylic ester 0.25 gram and froth breaking auxiliary agent silicone resin 0.25 gram, under 60 ℃ of conditions, mix, obtain transparency swelling type frie retardant coating A.Then on sheet glass, paint 100 microns film with spreader, utilize ten seconds of LT-102B1000W * 2 type photo solidification machine hardening with radiation, obtain cured film.With uv-vis spectra resulting frie retardant coating is carried out the transparency and measure, its visible light transmissivity is greater than 90%.
Transparency swelling type frie retardant coating is cast in the mould of length 9 cm that made by silica glass, wide 7 mm, thick 3 mm, utilizes ten seconds of LT-102B1000W * 2 type photo solidification machine hardening with radiation, obtain solidified sample.Survey its oxygen index with oxygen index instrument, oxygen index is up to 40.
Transparency swelling type frie retardant coating is cast in the mould of length 10 cm that made by silica glass, wide 13 mm, thick 3 mm, utilizes ten seconds of LT-102B1000W * 2 type photo solidification machine hardening with radiation, obtain solidified sample.Survey its burning rank with the vertical combustion instrument, its burning rank is V0.
Embodiment 2:
Get three vinylformic acid phosphoric acid ester 25.3. gram, methyl-etherified aminoresin resin 22.3 grams, pentaerythritol triacrylate 2.4 grams and initiator 2-hydroxy-2-methyl-1-phenyl-acetone 1 gram (2wt%), leveling auxiliary agent polyacrylic ester 0.25 gram and froth breaking auxiliary agent silicone resin 0.25 gram, under 60 ℃ of conditions, mix, obtain transparency swelling type frie retardant coating B.Then on sheet glass, paint 100 microns film with spreader, utilize EIS electrocuring instrument (80KV) to solidify for three seconds, obtain cured film.With uv-vis spectra it is carried out the transparency and measure, its visible light transmissivity is greater than 90%.
Transparency swelling type frie retardant coating is cast in the mould of length 9 cm that made by silica glass, wide 7 mm, thick 3 mm, utilizes EIS electrocuring instrument (80KV) to solidify for three seconds, obtain solidified sample.Survey its oxygen index with oxygen index instrument, oxygen index is up to 42.
Transparency swelling type frie retardant coating is cast in the mould of length 10 cm that made by silica glass, wide 13 mm, thick 3 mm, utilizes EIS electrocuring instrument (80KV) to solidify for three seconds, obtain solidified sample.Survey its burning rank with the vertical combustion instrument, its burning rank is V0.
Comparative Examples 1:
Get three vinylformic acid phosphoric acid ester, 17.2 grams, methyl-etherified aminoresin resin 30.3 grams, pentaerythritol triacrylate 2.5 grams and initiator 2-hydroxy-2-methyl-1-phenyl-acetone 1 gram (2wt%), leveling auxiliary agent polyacrylic ester 0.25 gram and froth breaking auxiliary agent silicone resin 0.25 gram, under 60 ℃ of conditions, mix, obtain transparency swelling type frie retardant coating C.Then on sheet glass, paint 100 microns film with spreader, utilize EIS electrocuring instrument (80KV) to solidify for three seconds, obtain cured film.With uv-vis spectra it is carried out the transparency and measure, its visible light transmissivity is greater than 90%.Transparency swelling type frie retardant coating is cast in the mould of length 9 cm that made by silica glass, wide 7 mm, thick 3 mm, utilizes ten seconds of LT-102B1000W * 2 type photo solidification machine hardening with radiation, obtain solidified sample.Survey its oxygen index with oxygen index instrument, oxygen index is up to 30.Transparency swelling type frie retardant coating is cast in the mould of length 10 cm that made by silica glass, wide 13 mm, thick 3 mm, utilizes ten seconds of LT-102B1000W * 2 type photo solidification machine hardening with radiation, obtain solidified sample.Survey its burning rank with the vertical combustion instrument, its burning rank is V1.
Embodiment 3:
Get transparency swelling type frie retardant coating B 14.5 grams of preparation among the embodiment 2, be coated in uniformly 220 X, 220 X 15mm 3China fir surface is placed on LT-102B1000W * 2 type photo solidification machines, ten seconds of hardening with radiation.With 750 ℃ thermal source pure plank and the plank that contains frie retardant coating are carried out thermal radiation at the taper calorimeter, radiated time is 6 minutes.Pure plank is serious at the ablation process damage comparison, almost completely charing.By contrast, scribble the plank of frie retardant coating, although certain ablation is also arranged, because the existence of coating, coating has expansion to a certain degree in the process of radiation, and plank has obtained better protecting.
Can find out from embodiment 1-3 and Comparative Examples 1: acid source, carbon source and source of the gas have expansion effect preferably, higher flame retardant properties and base material are had preferably flameproof protection as long as ratio is suitable.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (6)

1. transparency swelling type frie retardant coating, it is characterized in that, its each constituent mass per-cent is: acid source resin 40-60%, source of the gas resin 20-50%, as the pentaerythritol triacrylate 3-10% of carbon source, initiator 2-6%, leveling auxiliary agent 0.5-2%, silicone resin defoamer 0.5-2%, described each component sum is 100%.
2. a kind of transparency swelling type frie retardant coating according to claim 1 is characterized in that: described acid source resin is three vinylformic acid phosphoric acid ester, diacrylate phosphoric acid ester or tetrapropylene acid bisphosphate; Described source of the gas resin refers to methyl-etherified aminoresin.
3. a kind of transparency swelling type frie retardant coating according to claim 2 is characterized in that:
The structural formula of three vinylformic acid phosphoric acid ester is expressed as:
Figure FDA0000276159421
The structural formula of diacrylate phosphoric acid ester is expressed as:
Figure FDA0000276159422
The structural formula of tetrapropylene acid bisphosphate is expressed as:
Figure FDA0000276159423
R in the formula is the alkyl or aryl that contains 1-12 carbon, R 1Be ethyl or butyl.
4. a kind of transparency swelling type frie retardant coating according to claim 1; it is characterized in that: described initiator is selected from 2-hydroxy-2-methyl-1-phenyl-acetone, 2; 2-dimethoxy-2-phenyl methyl phenyl ketone, 1-hydroxy-cyclohexyl phenyl ketone or 2; 4,6-trimethylbenzoyl-diphenyl phosphine oxide.
5. a kind of transparency swelling type frie retardant coating according to claim 1, it is characterized in that: described leveling auxiliary agent is selected from polyacrylic ester or silicone resin.
6. the preparation method of a transparency swelling type frie retardant coating as claimed in claim 1, it is characterized in that: each raw material that will prepare by mass percentage transparency swelling type frie retardant coating stirs at 40-60oC, utilizes UV-light or low energy electron beam irradiation to solidify and obtains transparency swelling type frie retardant coating.
CN2013100234442A 2013-01-22 2013-01-22 Transparent expansion type fire-retardant paint and preparation method Pending CN103073935A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103387760A (en) * 2013-08-22 2013-11-13 吴江市冰心文教用品有限公司 Transparent fireproof pigment
CN103468097A (en) * 2013-09-22 2013-12-25 苏州市湘园特种精细化工有限公司 Expansive type fireproof and heat insulating coating

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1871274A (en) * 2002-01-21 2006-11-29 昭和电工株式会社 Phosphorus-containing urethane (meth)acrylate compounds and photosensitive compositions
CN101497756A (en) * 2009-03-09 2009-08-05 中国科学技术大学 Radiation curable expansion type transparent flame-retardant coating and preparation thereof
CN102532448A (en) * 2012-01-18 2012-07-04 中山大桥化工企业集团中山智亨实业发展有限公司 Ultraviolet light cured resin and preparing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1871274A (en) * 2002-01-21 2006-11-29 昭和电工株式会社 Phosphorus-containing urethane (meth)acrylate compounds and photosensitive compositions
CN101497756A (en) * 2009-03-09 2009-08-05 中国科学技术大学 Radiation curable expansion type transparent flame-retardant coating and preparation thereof
CN102532448A (en) * 2012-01-18 2012-07-04 中山大桥化工企业集团中山智亨实业发展有限公司 Ultraviolet light cured resin and preparing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103387760A (en) * 2013-08-22 2013-11-13 吴江市冰心文教用品有限公司 Transparent fireproof pigment
CN103468097A (en) * 2013-09-22 2013-12-25 苏州市湘园特种精细化工有限公司 Expansive type fireproof and heat insulating coating

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Application publication date: 20130501