CN104493932A - Water-based flame retardant liquid for historic building and preparation method of water-based flame retardant - Google Patents
Water-based flame retardant liquid for historic building and preparation method of water-based flame retardant Download PDFInfo
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- CN104493932A CN104493932A CN201410707929.8A CN201410707929A CN104493932A CN 104493932 A CN104493932 A CN 104493932A CN 201410707929 A CN201410707929 A CN 201410707929A CN 104493932 A CN104493932 A CN 104493932A
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- China
- Prior art keywords
- water
- fire resistant
- formaldehyde
- resistant fluid
- triethanolamine
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/30—Fireproofing
Abstract
The invention provides a water-based flame retardant liquid for a historic building. The water-based flame retardant liquid comprises the following components: formaldehyde (37% water solution), melamine, sodium lignin sulfonate, water-soluble ammonium polyphosphate and o-methylphenyl glycidyl ether. The flame retardant liquid is capable of keeping the original appearance of the historic building, and is good in flame retardant effect, and few in toxic and harmful substances.
Description
Technical field
The present invention relates to fire protection flame retarding field, be specifically related to a kind of ancient building water-base fire resistant fluid and preparation method thereof.
Background technology
Each dynasty carries over a large amount of various ancient buildings in history, and these ancient buildings have very high spiritual value, cultureal value and practical value.But these ancient buildings limited to by historical conditions, and build of the remote past, and major part belongs to wooden building, thus ubiquity a large amount of potential safety hazards.And fire is the formidable enemy of ancient building, because the event that fire causes ancient building to damage all can occur every year.
Because ancient building majority has historical relic character, or due to the cause of religion and National Folk Customs, flame treatment is carried out to these materials, the principle keeping original appearance must be followed, now in the fire resistant fluid of ancient building, there are the following problems: one is under keeping fire-retardant prerequisite, be difficult to keep original appearance, two is use a large amount of poisonous and harmful substances in fire-retardant material, and flame retardant effect is unsatisfactory.
Therefore, provide one can keep ancient building original appearance and good flame retardation effect, the fire resistant fluid using poisonous and harmful substance few is very important.
Summary of the invention
Technical problem to be solved by this invention is to provide one can keep ancient building original appearance and good flame retardation effect, uses the fire resistant fluid that poisonous and harmful substance is few.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
One aspect of the present invention provides a kind of ancient building water-base fire resistant fluid, it is characterized in that: the component containing, for example lower weight portion:
The composition of described fire resistant fluid is preferably as follows weight portion component:
The composition of described fire resistant fluid is preferably as follows the component of weight portion:
The present invention also provides a kind of preparation method of ancient building water-base fire resistant fluid, comprise following steps: added by formaldehyde in reactor, by triethanolamine adjusted to ph to 7.5-8.0, add melamine while stirring, be warming up to 60-70 DEG C, reaction 2-3 hour, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 6.5 ~ 7.5 with triethanolamine, to obtain final product.
The present invention further provides a kind of preparation method of ancient building water-base fire resistant fluid, comprise following steps: added by formaldehyde in reactor, by triethanolamine adjusted to ph to 7.5-8.0, add melamine while stirring, be warming up to 65-70 DEG C, reaction 2-3 hour, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 7.0 ~ 7.2 with triethanolamine, to obtain final product.
The present invention further provides a kind of preparation method of ancient building water-base fire resistant fluid, comprise following steps: added by formaldehyde in reactor, by triethanolamine adjusted to ph to 8.0, add melamine while stirring, be warming up to 65 DEG C, react 3 hours, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 7.2 with triethanolamine, to obtain final product.
The present invention is creationary first to be introduced in fire resistant fluid by sodium lignin sulfonate, not only can be effectively fire-retardant, can keep the former state of wooden building while fire-retardant simultaneously, also have repair.In this fire resistant fluid, the poisonous and harmful substance use amount such as formaldehyde is less simultaneously.
Detailed description of the invention
Comparative example 1
By above-mentioned weight, formaldehyde is added in reactor, with triethanolamine adjusted to ph to 7.5 ~ 9.0, add melamine while stirring, be warming up to 75 ~ 85 DEG C, react 1 ~ 4 hour, when solution becomes clear, be cooled to room temperature, stir after adding water, urea, water-soluble poly ammonium phosphate, carboxymethyl cellulose, bleeding agent, finally regulate solution system pH value to be 6.5 ~ 7.5 with triethanolamine, get product.
Comparative example 2
Formaldehyde 26.5Kg, ammoniacal liquor 4Kg, urea 4.5Kg and guanidine sulfate 5.0Kg are dropped in reactor, be warmed up to 80 ~ 90 DEG C of insulation 30 ~ 60min, be cooled to 60 ~ 70 DEG C, add phosphoric acid and be about 0.5Kg, then be incubated 30min, add polyethylene glycol 18.0Kg, after stirring 20min, by phosphoric acid or ammoniacal liquor adjustment material pH value to 5.0, add water 20Kg and urea 0.5Kg and continue to stir, discharging after temperature 40 ~ 50 DEG C, gets product.
Embodiment 1 table 1 fire resistant fluid formula (Kg)
| Component | Amount |
| Formaldehyde (37% aqueous solution) | 40 |
| Melamine | 60 |
| Sodium lignin sulfonate | 28 |
| Water-soluble poly ammonium phosphate | 25 |
| O-tolyl glycidol ether | 3 |
| Water | 500 |
By weight described in table 1, formaldehyde is added in reactor, by triethanolamine adjusted to ph to 7.5, add melamine while stirring, be warming up to 60 DEG C, react 2 hours, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 6.5 with triethanolamine, obtain colourless, tasteless, free from admixture, transparent and homogeneous liquid.
Embodiment 2 table 2 fire resistant fluid formula (Kg)
| Component | Amount |
| Formaldehyde (37% aqueous solution) | 45 |
| Melamine | 55 |
| Sodium lignin sulfonate | 25 |
| Water-soluble poly ammonium phosphate | 20 |
| O-tolyl glycidol ether | 8 |
| Water | 450 |
By weight described in table 2, formaldehyde is added in reactor, melamine is added while stirring by triethanolamine adjusted to ph to 7.5, be warming up to 65 DEG C, react 2 hours, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 7.2 with triethanolamine, obtain colourless, tasteless, free from admixture, transparent and homogeneous liquid.
Embodiment 3 table 3 fire resistant fluid formula (Kg)
| Component | Amount |
| Formaldehyde (37% aqueous solution) | 50 |
| Melamine | 50 |
| Sodium lignin sulfonate | 27 |
| Water-soluble poly ammonium phosphate | 15 |
| O-tolyl glycidol ether | 6 |
| Water | 400 |
By weight described in table 3, formaldehyde is added in reactor, by triethanolamine adjusted to ph to 7.8, add melamine while stirring, be warming up to 70 DEG C, react 2 hours, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 7.0 with triethanolamine, obtain colourless, tasteless, free from admixture, transparent and homogeneous liquid.
Embodiment 4
Table 4 fire resistant fluid formula (Kg)
| Component | Amount |
| Formaldehyde (37% aqueous solution) | 65 |
| Melamine | 45 |
| Sodium lignin sulfonate | 25 |
| Water-soluble poly ammonium phosphate | 17 |
| O-tolyl glycidol ether | 5 |
| Water | 350 |
By weight described in table 4, formaldehyde is added in reactor, by triethanolamine adjusted to ph to 8.0, add melamine while stirring, be warming up to 65 DEG C, react 3 hours, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 7.2 with triethanolamine, obtain colourless, tasteless, free from admixture, transparent and homogeneous liquid.
Embodiment 5
Table 5 fire resistant fluid formula (Kg)
| Component | Amount |
| Formaldehyde (37% aqueous solution) | 70 |
| Melamine | 40 |
| Sodium lignin sulfonate | 20 |
| Water-soluble poly ammonium phosphate | 10 |
| O-tolyl glycidol ether | 4 |
| Water | 300 |
By weight described in table 5, formaldehyde is added in reactor, by triethanolamine adjusted to ph to 8.0, add melamine while stirring, be warming up to 70 DEG C, react 2 hours, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 7.5 with triethanolamine, obtain colourless, tasteless, free from admixture, transparent and homogeneous liquid.
Embodiment 6 performance test
Its performance detects, according to comparative example and embodiment system by GA159-1997 " aqua type flame retardant treating agent "
The performance test results of standby fire resistant fluid is in table 6.
The performance test results of fire resistant fluid respectively organized by table 6
Claims (6)
1. an ancient building water-base fire resistant fluid, is characterized in that: the component containing, for example lower weight portion:
Formaldehyde (37% aqueous solution) 40-70
Melamine 40-60
Sodium lignin sulfonate 20-30
Water-soluble poly ammonium phosphate 10-25
O-tolyl glycidol ether 3-8
Water 300-500.
2. ancient building water-base fire resistant fluid according to claim 1, is characterized in that: described fire resistant fluid is containing, for example the component of lower weight portion:
Formaldehyde (37% aqueous solution) 45-65
Melamine 45-55
Sodium lignin sulfonate 25-27
Water-soluble poly ammonium phosphate 15-20
O-tolyl glycidol ether 5-8
Water 350-400.
3. the preparation method of ancient building water-base fire resistant fluid according to claim 2, is characterized in that: described fire resistant fluid is containing, for example the component of lower weight portion:
Formaldehyde (37% aqueous solution) 65
Melamine 45
Sodium lignin sulfonate 25
Water-soluble poly ammonium phosphate 17
O-tolyl glycidol ether 5
Water 350.
4. the preparation method of ancient building water-base fire resistant fluid as claimed in claim 1, it is characterized in that comprising following steps: formaldehyde is added in reactor, by triethanolamine adjusted to ph to 7.5-8.0, add melamine while stirring, be warming up to 60-70 DEG C, reaction 2-3 hour, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 6.5 ~ 7.5 with triethanolamine, to obtain final product.
5. ancient building water-base fire resistant fluid as claimed in claim 2, it is characterized in that comprising following steps: formaldehyde is added in reactor, by triethanolamine adjusted to ph to 7.5-8.0, add melamine while stirring, be warming up to 65-70 DEG C, reaction 2-3 hour, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 7.0 ~ 7.2 with triethanolamine, to obtain final product.
6. the preparation method of ancient building water-base fire resistant fluid as claimed in claim 3, it is characterized in that comprising following steps: formaldehyde is added in reactor, by triethanolamine adjusted to ph to 8.0, add melamine while stirring, be warming up to 65 DEG C, react 3 hours, when solution becomes clear, be cooled to room temperature, stir after adding water, sodium lignin sulfonate, water-soluble poly ammonium phosphate, o-tolyl glycidol ether, finally regulate solution system pH value to be 7.2 with triethanolamine, to obtain final product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679212A (en) * | 2018-12-27 | 2019-04-26 | 中国科学院宁波材料技术与工程研究所 | A kind of plant fiber fire resistant fluid and the preparation method and application thereof |
| US11225608B2 (en) | 2017-09-13 | 2022-01-18 | Daren Laboratories & Scientific Consultants Ltd. | Lignin based flame retardant compositions and processes for the preparation thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018051345A1 (en) * | 2016-09-15 | 2018-03-22 | Daren Laboratories & Scientific Consultants Ltd. | Biodegradable thermally-stable flame retardant composite material and methods of preparation thereof |
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| CN101550344A (en) * | 2008-12-20 | 2009-10-07 | 青岛科技大学 | Method for preparing magnesium hydroxide/silicon dioxide composite inorganic flame retardant |
| CN103450636A (en) * | 2013-08-20 | 2013-12-18 | 中国科学院宁波材料技术与工程研究所 | Flame-retardant epoxy resin/lignin/organosilicone composite material and preparation method thereof |
| WO2014131912A1 (en) * | 2013-03-01 | 2014-09-04 | Sika Technology Ag | Insulating panel and method for producing same |
| CN104610704A (en) * | 2015-01-28 | 2015-05-13 | 清远市普塞呋磷化学有限公司 | Halogen-free flame retardant anhydride cured epoxy resin composition |
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2014
- 2014-12-01 CN CN201410707929.8A patent/CN104493932B/en active Active
Patent Citations (5)
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| WO2014131912A1 (en) * | 2013-03-01 | 2014-09-04 | Sika Technology Ag | Insulating panel and method for producing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11225608B2 (en) | 2017-09-13 | 2022-01-18 | Daren Laboratories & Scientific Consultants Ltd. | Lignin based flame retardant compositions and processes for the preparation thereof |
| CN109679212A (en) * | 2018-12-27 | 2019-04-26 | 中国科学院宁波材料技术与工程研究所 | A kind of plant fiber fire resistant fluid and the preparation method and application thereof |
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| CN104493932B (en) | 2016-11-23 |
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