CN102950632A - High-efficient environment-friendly flame retardant for fiberboard and preparation method thereof - Google Patents
High-efficient environment-friendly flame retardant for fiberboard and preparation method thereof Download PDFInfo
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- CN102950632A CN102950632A CN2012104628044A CN201210462804A CN102950632A CN 102950632 A CN102950632 A CN 102950632A CN 2012104628044 A CN2012104628044 A CN 2012104628044A CN 201210462804 A CN201210462804 A CN 201210462804A CN 102950632 A CN102950632 A CN 102950632A
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Abstract
The invention discloses high-efficient environment-friendly flame retardant for a fiberboard and a preparation method thereof. The flame retardant consists of formaldehyde, dicyandiamide, ammonium dihydrogen phosphate, zinc borate, ammonia water, triethanolamine, organic solvent, cross-linking agent and water. The flame retardant is halogen-free, low in toxicity, free from corrosion, good in heat stability, high in flame retardant efficiency and strong in smoke suppression. 80 to 250kg/cm<3>3 flame retardant for the fiberboard is uniformly mixed and blended with urea resin or modified urea resin with mol ratio of 1.0 to 1.18 or independently applied through by a heat abrasion injection pipe to be made into the flame-retardant fiberboard, the flame retardant performance can reach grade B and C specified in the national standard GB/T86424-2006, the physical performance can reach the national standard GB/T11718-2009, and the formaldehyde releasing quantity can completely reach E1 level of the national standard GB18580-2001 or European E0 level. An artificial board adhesive production workshop can satisfy the production condition, the practicability is strong, and convenience in application can be realized.
Description
Technical field
The present invention relates to a kind of fire retardant and preparation method, high-efficiency environment friendly fire retardant and synthetic method thereof that especially a kind of Fibreboard Production is used.Belong to forest chemical and man-made board technology field.
Background technology
At present, China has become maximum in the world Wood-based Panel Production and country of consumption.The consumption of fiberboard aspect Furniture manufacture and indoor decorating accounts for more than 90% of output.But it belongs to combustible material, exists some unsafe factors.The woodwork and the furniture that use according to mandatory GB GB 20286-2006 " public place requires and sign with the fire-retardant product combustibility " public place of regulation must meet corresponding flame-retardant standard grade, to remove a hidden danger and to guarantee safety.
Flame retardant fibre board only belongs to development or small-scale production stage at home at present.Fiberboard is carried out flame treatment, add the preparation method of fire retardant in mainly taking to produce, after soon fire retardant independent (or being mixed with solution) will mix with urea-formaldehyde resin adhesive, be applied on the wet fiber by the defibrator process blow line, carry out again drying, mat formation, the operation such as hot pressing and make flame retardant fibre board.Operating procedure is simple, has both avoided redrying and has reduced the leachability of fire retardant, does not change again the production technology and equipments condition of fiberboard, the quality high-quality stable of flame-retardant board.
But the wood fire retardant that is more suitable for Fibreboard Production on the market mainly contains nitrogen-phosphorus system, boron system, bromine system, inorganic oxide and ammonium salt based flame retardant etc.No matter these fire retardants are blending ingredients or one pack system, itself and fiberboard use matching or the bad dispersibility of urea-formaldehyde glue, and most of fire retardant is solid or body of paste, be difficult for applying aborning or urea-formaldehyde glue being produced serious gel aging phenomenon, most of fire retardant of while is used to process flame-retardant board and easily causes the phenomenons such as suction disc material moisture absorption and deformation, be unfavorable for that secondary operations shortens again sheet material service life, the fire retardant that above many disadvantages causes market to be sold not only is difficult to satisfy the requirement of Fibreboard Production technique, and causes the aging decline of physical and mechanical property of flame-retardant board and the imbibition that seriously makes moist to be out of shape the outstanding problems such as mouldy.
Summary of the invention
One of purpose of the present invention is for the many disadvantages of above-mentioned fire retardant and deficiency, and the binding fiber plate is produced actual, develops a kind of fire-retardant efficient, anti-current mistake, cost is low and the emulsion-type fire retardant easily used.Be applicable to produce especially flame retardant fibre board of fire-retardation artificial board.
Two of purpose of the present invention provides the production synthetic method of this high-efficiency environment friendly fire retardant.
1, the concrete technical scheme of the present invention (prescription) comprises following raw material and weight ratio component:
4.0 ~ 13.0 parts of formaldehyde 36.5-37.4% technical grades
9.0 ~ 16.0 parts of dicyandiamides 〉=98% technical grade
12.0 ~ 24.0 parts of ammonium dihydrogen phosphate (ADP)s 〉=85% technical grade
10.0 ~ 22.0 parts of Firebrake ZBs 〉=98% technical grade
3.0 ~ 11.0 parts of triethanolamines 〉=99% technical grade
4.0 ~ 12.0 parts of organic solvents 〉=98% technical grade
1.0 ~ 5.0 parts of crosslinking agents 〉=98% technical grade
5.0 ~ 18.0 parts of ammoniacal liquor 〉=25% technical grade
20.0 ~ 40.0 parts in water running water.
2, synthesis technique:
The preparation method comprises following synthesis technique step and condition:
(1) disposable input formaldehyde, water, dicyandiamide start agitator, slowly add ammonium dihydrogen phosphate (ADP) under stirring and catalyst action; Be heated to 50.0 ~ 70.0 ℃, naturally be warming up to 80.0 ~ 90.0 ℃ and be incubated 1.0 ~ 3.0h;
(2) after polymerisation reaches pH=3.0 ~ 3.5, drop into organic solvent and crosslinking agent and be incubated 0.5 ~ 1.0h, after the degree of polymerization reaches pH=3.5 ~ 4.0, drop into triethanolamine solution and Firebrake ZB, and in 70.0 ~ 80.0 ℃ of insulation 10.0 ~ 30.0min; Transfer pH=5.0 ~ 6.5 with ammoniacal liquor, be cooled to 45 ℃ with bottom discharge.
3, quality and technical index:
Density=1.15 ~ 1.35g/cm
3, viscosity (T ~ 4 glass, 20 ℃)=14.0 ~ 30.0s, solids content: 46.0 ~ 65.0%, free aldehyde: nothing, pH value=5.0 ~ 6.5, storage period 〉=half a year, outward appearance: white emulsion.
4, fire retardant of the present invention has following unique advantage:
1) this fire retardant is binding fiber board production technology reality and a kind of composite emulsion type fire retardant of innovative development, applies simple, practical.By 80 ~ 250kg/m
3Ratio and mol ratio are 1.0 ~ 1.18 Lauxite mixing and stirring or are applied on the wet fiber from the defibrator process blow-off pipe separately, and drying, mat formation, the operation such as hot pressing makes flame retardant fibre board, its fire resistance can reach B and the C grade standard of GB GB/T8624-2006 standard code, physical and mechanical property reaches GB GB/T11718-2009 standard, and the environmental-protecting performance burst size of methanal reaches GB 18580-2001 E fully
1Level or European E
0Grade standard.
2) this fire retardant Halogen low toxicity non-corrosiveness not only, the wood-based plate glue department can satisfy production requirement, and have adhesivity and a matched well sexual function of resin, the production and application safety and environmental protection, be easy to apply, have fire-retardant excellence, press down the outstanding advantages such as cigarette is efficient, complied with fire retardant potion multiple-effect, environmental protection close friend's demand for development.And the product high-quality low-cost, remarkable in economical benefits.
The specific embodiment
Embodiment 1: with 37% formalin 22.0g, water 110.0g, dicyandiamide 49.5g, disposable input there-necked flask starts agitator, under agitation slowly adds ammonium dihydrogen phosphate (ADP) 66.0g.Be heated to 60 ~ 70 ℃ and stop, naturally being warming up to 85 ℃ and be incubated 90min.After polymerisation reaches requirement (pH=3.1), drop into isopropyl alcohol 22.0 g and crosslinking agent 5.5g(wherein: hexamethyl tetramine 4.1 g and lauryl sodium sulfate 1.4 g) and be incubated 30 ~ 35min, after the degree of polymerization reaches requirement after (PH=3.4), add 40% triethanolamine solution 16.5g, transfer pH=4.0, and add Firebrake ZB 55.0g, behind 70 ~ 75 ℃ of insulation 20min, transfer pH=5.2 ~ 5.5 with ammoniacal liquor 28.0 ~ 30.0g, be cooled to 45 ℃ with bottom discharge.
Technical target of the product: density=1.20 ~ 1.30g/cm
3Viscosity (T ~ 4 glass, 20 ℃)=16.0 ~ 25.0s solids content: 50.0 ~ 60.0% free aldehyde: without outward appearance pH value=5.2 ~ 5.5 storage periods 〉=half a year: milky white solution.
Embodiment 2: with 37% formalin 46.75g, water 165.0g, dicyandiamide 68.7g, disposable input there-necked flask starts agitator, slowly adds ammonium dihydrogen phosphate (ADP) 99.0g at catalyst and under stirring.Be heated to 60 ~ 70 ℃ in the 15min and stop, naturally being warming up to 85 ~ 88 ℃ and be incubated 100min.After polymerisation reaches requirement (pH=3.4), drop into ethanol 44.0g and crosslinking agent 16.5g(wherein: hexamethyl tetramine 13.2 g and lauryl sodium sulfate 3.3 g) and be incubated 40 ~ 45min, after the degree of polymerization reaches requirement after (PH=3.5), add 50% triethanolamine solution 38.5g, transfer pH=4.0, and add Firebrake ZB 88.0g, behind 70 ~ 75 ℃ of insulation 15min, be cooled to 52 ℃, drop into ammoniacal liquor 50 ~ 55g and transfer pH=5.8 ~ 6.0, be cooled to 35 ℃ with bottom discharge.
Technical target of the product: density=1.22 ~ 1.32g/cm
3Viscosity (T ~ 4 glass, 20 ℃)=18.0 ~ 25.0s solids content: 55.0 ~ 65.0% free aldehyde: without outward appearance pH value=5.8 ~ 6.0 storage periods 〉=half a year: milky white solution.
Embodiment 3: with 37% formalin 71.5g, water 220.0g, dicyandiamide 88.0g, disposable input there-necked flask starts agitator, slowly adds ammonium dihydrogen phosphate (ADP) 132.0g under the catalyst stirring action.Be heated to 65 ~ 70 ℃ in the 15min and stop, naturally being warming up to 85 ~ 92 ℃ and be incubated 80min.After polymerisation reaches requirement (pH=3.2), drop into ethanol, the common 66.0g of isopropyl alcohol mixing and crosslinking agent 27.5.g(wherein: hexamethyl tetramine 22.9 g and lauryl sodium sulfate 4.6g), and insulation 30min, after the degree of polymerization reaches requirement, after (pH=3.3), add 45% triethanolamine solution 60.5g, transfer pH=4.0, and adding Firebrake ZB 121.0g, behind 70 ~ 75 ℃ of insulation 15min, drop into ammoniacal liquor 80.0 ~ 85.0g and transfer pH=6.0 ~ 6.5, be cooled to 40 ℃ of dischargings.
Technical target of the product: density=1.25 ~ 1.35g/cm
3Viscosity (T ~ 4 glass, 20 ℃)=19.0 ~ 25.0s solids content: 50.0 ~ 60.0% free aldehyde: without outward appearance pH value=6.0 ~ 6.5 storage periods 〉=half a year: milky white solution.
Claims (6)
1. the high-efficiency environment friendly fire retardant that uses of a fiberboard, its feature comprises following raw material and weight ratio component: 9.0 ~ 16.0 parts of dicyandiamides, 12.0 ~ 24.0 parts of ammonium dihydrogen phosphate (ADP)s, 4.0 ~ 13.0 parts in formaldehyde, 10.0 ~ 22.0 parts of Firebrake ZBs, 5.0 ~ 18.0 parts of ammoniacal liquor, 3.0 ~ 11.0 parts of triethanolamines, 4.0 ~ 12.0 parts of organic solvents, 1.0 ~ 5.0 parts of crosslinking agents, 20.0 ~ 40.0 parts in water.
2. high-efficiency environment friendly fire retardant according to claim 1, it is characterized in that: organic solvent is wherein one or both mixtures of isopropyl alcohol or ethanol.
3. described high-efficiency environment friendly fire retardant according to claim 1, it is characterized in that: crosslinking agent adopts hexa and sodium dodecyl sulfate mixture, and both mixed weight ratios are 3 ~ 5:1.
4. high-efficiency environment friendly fire retardant according to claim 1, it is characterized in that: triethanolamine all is mixed with 20.0 ~ 50.0% the aqueous solution.
5. high-efficiency environment friendly fire retardant according to claim 1 is characterized in that the preparation method comprises following synthesis technique step and condition:
(1) disposable input formaldehyde, water, dicyandiamide start agitator, slowly add ammonium dihydrogen phosphate (ADP) under stirring and catalyst action; Be heated to 50.0 ~ 70.0 ℃, naturally be warming up to 80.0 ~ 90.0 ℃ and be incubated 1.0 ~ 3.0h;
After polymerisation reaches pH=3.0 ~ 3.5, drop into organic solvent and crosslinking agent and be incubated 0.5 ~ 1.0h, after the degree of polymerization reaches pH=3.5 ~ 4.0, drop into triethanolamine solution and Firebrake ZB, and in 70.0 ~ 80.0 ℃ of insulation 10.0 ~ 30.0min; Transfer pH=5.0 ~ 6.5 with ammoniacal liquor, be cooled to 45 ℃ with bottom discharge.
6. described high-efficiency environment friendly fire retardant according to claim 1 ~ 5, its quality technology feature satisfies: density=1.15 ~ 1.35g/cm
3, viscosity (T ~ 4 glass, 20 ℃)=14.0 ~ 30.0s, solids content: 46.0 ~ 65.0%, free aldehyde: nothing, pH value=5.0 ~ 6.5, storage period 〉=half a year, outward appearance: white emulsion.
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| CN201210462804.4A CN102950632B (en) | 2012-11-16 | 2012-11-16 | The environment-friendlyflame flame retardant of a kind of fibre board use and preparation method |
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| CN201210462804.4A CN102950632B (en) | 2012-11-16 | 2012-11-16 | The environment-friendlyflame flame retardant of a kind of fibre board use and preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318102A (en) * | 2013-07-10 | 2013-09-25 | 宁波华翔特雷姆汽车饰件有限公司 | Automobile decorative sheet layer structure and layer structure processing technology |
| WO2015189810A1 (en) * | 2014-06-13 | 2015-12-17 | Csir | Liquid flame retardant composition |
| CN108687924A (en) * | 2017-04-10 | 2018-10-23 | 大亚人造板集团有限公司 | Fibre board use fire retardant and preparation method thereof |
| CN115891303A (en) * | 2022-11-09 | 2023-04-04 | 思立格(福建)新材料科技有限公司 | Flame-retardant honeycomb plate taking waste textiles as raw materials and preparation method thereof |
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| JPH01186302A (en) * | 1988-01-22 | 1989-07-25 | Dainippon Ink & Chem Inc | Flame resistant woody material |
| CA2008928A1 (en) * | 1989-07-11 | 1991-01-11 | Robert M. Leach | Composition and process for imparting fire retardant properties and improved thermal stability to cellulosic materials |
| CN101892057A (en) * | 2009-05-18 | 2010-11-24 | 北京盛大华源科技有限公司 | Fire retardant, fire-retarding fiber plate and manufacturing method of fire-retarding fiber plate |
| CN102757563A (en) * | 2012-07-24 | 2012-10-31 | 成都硕屋科技有限公司 | Intumescent polymer phosphorus nitrogen halogen-free flame retardant and preparation method thereof |
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2012
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01186302A (en) * | 1988-01-22 | 1989-07-25 | Dainippon Ink & Chem Inc | Flame resistant woody material |
| CA2008928A1 (en) * | 1989-07-11 | 1991-01-11 | Robert M. Leach | Composition and process for imparting fire retardant properties and improved thermal stability to cellulosic materials |
| CN101892057A (en) * | 2009-05-18 | 2010-11-24 | 北京盛大华源科技有限公司 | Fire retardant, fire-retarding fiber plate and manufacturing method of fire-retarding fiber plate |
| CN102757563A (en) * | 2012-07-24 | 2012-10-31 | 成都硕屋科技有限公司 | Intumescent polymer phosphorus nitrogen halogen-free flame retardant and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318102A (en) * | 2013-07-10 | 2013-09-25 | 宁波华翔特雷姆汽车饰件有限公司 | Automobile decorative sheet layer structure and layer structure processing technology |
| CN103318102B (en) * | 2013-07-10 | 2015-11-18 | 宁波华翔特雷姆汽车饰件有限公司 | A kind of automobile decoration layer structure and Rotating fields treatment process |
| WO2015189810A1 (en) * | 2014-06-13 | 2015-12-17 | Csir | Liquid flame retardant composition |
| CN106574187A (en) * | 2014-06-13 | 2017-04-19 | Csir公司 | Liquid flame retardant composition |
| US10731290B2 (en) | 2014-06-13 | 2020-08-04 | Csir | Liquid flame retardant composition |
| CN108687924A (en) * | 2017-04-10 | 2018-10-23 | 大亚人造板集团有限公司 | Fibre board use fire retardant and preparation method thereof |
| CN115891303A (en) * | 2022-11-09 | 2023-04-04 | 思立格(福建)新材料科技有限公司 | Flame-retardant honeycomb plate taking waste textiles as raw materials and preparation method thereof |
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| CN102950632B (en) | 2016-08-17 |
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