CN106625935A - Wood composite flame retardant, and preparation method and application thereof - Google Patents
Wood composite flame retardant, and preparation method and application thereof Download PDFInfo
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- CN106625935A CN106625935A CN201611057199.7A CN201611057199A CN106625935A CN 106625935 A CN106625935 A CN 106625935A CN 201611057199 A CN201611057199 A CN 201611057199A CN 106625935 A CN106625935 A CN 106625935A
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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
- B27K3/16—Inorganic impregnating agents
- B27K3/32—Mixtures of different inorganic impregnating agents
-
- 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
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention relates to the technical field of wood processing, in particular to a wood composite flame retardant, and a preparation method and application thereof to the production of flame-retardant plywood. The wood composite flame retardant comprises the following raw materials in parts by weight: 10 to 16 parts of ammonium sulfate, 2 to 8 parts of diammonium hydrogen phosphate, 1 to 5 parts of boric acid, 1 to 5 parts of zinc borate, 1 to 4 parts of magnesium oxide, 1 to 3 parts of aluminum sulfate and 2 to 8 parts of aluminum hydroxide. The raw materials of the wood composite flame retardant, provided by the invention, have a synergistic flame-retardant effect, have the advantages of good flame-retardant effect, low toxicity, high smoke-inhibiting property and environmental friendliness, and are low in price; the flame-retardant plywood prepared by using the wood composite flame retardant provided by the invention can remarkably improve the flame-retardant property and can reach the requirement of the fireproof grade above the national standard grade C; the various mechanical properties are more excellent than those specified according to the national standard.
Description
Technical field
The present invention relates to wood processing technique field, and in particular to a kind of wood composite fire retardant and preparation method thereof and
Application in production flame-retardant plywood.
Background technology
Open up forest because the mankind are excessive so that timber resources is deficient day by day, therefore the mankind are attempted by various modes
The comprehensive utilization for realizing timber improves timber utilization rate, to make up the deficiency of timber resources.The birth of wood-based plate, indicates timber
Efficient utilization and timber process the beginning in modernization period, and process is developed into from simple change log shapes improves timber
Matter.People by planting artificial forest, the timber that gets off being cut down from artificial forest and its logging residue is comprehensively utilized
Various wood-based plates are made, people are met with this to timber ever increasing need.Timber and its residue are made wood-based plate,
It maintains good etc. the characteristic of the light of virgin wood, mechanical property, while and, structural good, easy construction big with breadth；
Dilation rate is low, dimensionally stable, and material is uniform compared with sawn timber, the advantages of be unlikely to deform cracking.
Wood-based plate is that, with timber or other non-wood plants as raw material, necessarily machining is separated into various unit materials to Jing
Afterwards, apply or do not apply adhesive and the sheet material or pressing of other additive pressings.Wood-based plate mainly includes gluing
The intensity and volume stability of plate, particieboard and glued board three major types, wherein glued board is preferably, also wide in actual applications
It is general.Glued board is one of furniture, construction and decoration common used material.Wood-based plate is actually a kind of wood materials, is that ignition point is relatively low
Combustible, therefore usually need add fire retardant carry out flame treatment, the quality of fire retardant quality will affect wood-based plate
Fireproof effect.
In recent years, as glued board yield constantly increases and the awareness of the importance of fire prevention of people is being improved constantly, occur on market
Various wood composite fire retardants.Although wood composite fire retardant is relatively broad in the application of glued board, existing timber is answered
Close fire retardant and still suffer from problems with：Flame retardant effect is not obvious, relatively costly, resistance leachability and resistance to ag(e)ing it is poor, to glued board
Effect on Mechanical Properties it is big the problems such as.Therefore, it is very to develop a kind of new wood composite fire retardant with high performance-price ratio
It is necessary.
The information for being disclosed in the background section is merely intended to increase the understanding of the general background to the present invention, and should not
When the prior art for being considered to recognize or imply in any form the information structure well known to persons skilled in the art.
The content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of veneer lumber composite flame-retardant agent and its preparation
Method and the application in production flame-retardant plywood.
The present invention provide technical scheme be：
A kind of wood composite fire retardant, including the raw material of following parts by weight：Ammonium sulfate 10-16 parts, diammonium hydrogen phosphate 2-8
Part, boric acid 1-5 parts, Firebrake ZB 1-5 parts, magnesia 1-4 parts, aluminum sulfate 1-3 parts and aluminium hydroxide 2-8 parts.
Preferably, described wood composite fire retardant, including the raw material of following parts by weight：12 parts of ammonium sulfate, phosphoric acid
3 parts of 4 parts of diammonium hydrogen, 2 parts of boric acid, 1 part of Firebrake ZB, 2 parts of magnesia, 2 parts of aluminum sulfate and aluminium hydroxide.
Present invention also offers the preparation method of described wood composite fire retardant, comprises the following steps：Claim by weight
Ammonium sulfate, diammonium hydrogen phosphate, boric acid, Firebrake ZB, magnesia, aluminum sulfate and aluminium hydroxide are taken, pulverizer is separately added into and is crushed to
120-150 mesh, is well mixed, that is, obtain wood composite fire-retardant powder.
Compared with prior art, the present invention has the advantages that：
1. act on cooperative flame retardant between each raw material of wood composite fire retardant of the present invention, with good flame retardation effect, low
Poison, the good and eco-friendly advantage of smoke-suppressing, and low price.
2. the flame-retardant plywood for being prepared using the wood composite fire retardant of the present invention can significantly improve the anti-flammability of glued board
Can, can reach the requirement of national standard C level above fire-protection rating；Its every mechanical property is also better than national standard.
Specific embodiment
The specific embodiment of the present invention is described in detail with reference to embodiment, it is to be understood that the guarantor of the present invention
Shield scope is not limited by specific embodiment.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other units
Part or other parts.
Embodiment 1：
A kind of wood composite fire retardant, including the raw material of following parts by weight：10 parts of ammonium sulfate, 2 parts of diammonium hydrogen phosphate, boron
2 parts of 1 part of acid, 1 part of Firebrake ZB, 1 part of magnesia, 1 part of aluminum sulfate and aluminium hydroxide.
The preparation method of described wood composite fire retardant, comprises the following steps：Ammonium sulfate, phosphoric acid hydrogen are weighed by weight
Diamines, boric acid, Firebrake ZB, magnesia, aluminum sulfate and aluminium hydroxide, are separately added into pulverizer and are crushed to 120 mesh, are well mixed,
Obtain wood composite fire-retardant powder.
Application of the described wood composite fire retardant in production flame-retardant plywood, including following production stage：
(1) first wood composite fire-retardant powder is added into modified urea-formaldehyde resin to reconcile in glue, wood composite fire retardant powder
The addition at end is the 30% of modified urea-formaldehyde resin mediation colloid amount, obtains the modified urea-formaldehyde resin containing wood composite fire retardant and adjusts
And glue；The preparation method of described modified urea-formaldehyde resin mediation glue is by 65 parts of modified urea-formaldehyde resin glues, 1.2 parts of NH4CL and 9.5
Part flour, they are sufficiently mixed uniformly, are stood and obtain after 20min modified urea-formaldehyde resin mediation glue；Described modified urea-formaldehyde tree
Fat glue is that the formaldehyde in glue container is heated into 35 DEG C, adds NaOH to adjust pH to 8.3, adds the urine of formaldehyde quality 36%
Element, is warming up to 70 DEG C and stops heating, makes temperature rise to 85 DEG C naturally, reacts 40min；Quality is slowly added dropwise in 25-30min dense
The formic acid solution for 20% is spent, the pH value of reactant liquor 4.6 is adjusted into, control reaction time 60min, 89 DEG C of temperature, in 30 DEG C of bars
With four glasss of measure viscosity are applied under part, determine 1 time every 5min, terminal viscosity is controlled in 19s；Add the 2% of formaldehyde quality
Crosslinking agent, after stirring 10min, is subsequently adding the urea of formaldehyde quality 16.5%, 83 DEG C of controlling reaction temperature, reaction 30min, drop
Temperature is to 70 DEG C；The urea of formaldehyde quality 20% is eventually adding, 30min is reacted, less than 45 DEG C are cooled to, PH is adjusted to 8.5 with NaOH,
Stirring 10min sampling dischargings, obtain modified urea-formaldehyde resin glue；
(2) two sides of the veneer that moisture content is 12% is uniformly applied into the mediation glue of the modified urea-formaldehyde resin containing fire retardant, then
Ageing 8min；The applied amount of the mediation glue of the modified urea-formaldehyde resin containing fire retardant is 250g/m2；
(3) veneer after step (2) process is carried out into according to a conventional method assembly, is then carried out at precompressed and hot pressing
Reason, obtains burr flame-retardant plywood；The technological parameter of described precompressed is：Squeeze time 70min, pressure 1.3MPa, temperature are
Normal temperature；The technological parameter of described hot pressing is：Hot pressing time 7min, pressure 1.4MPa, hot pressing temperature are 110 DEG C；
(4) the burr flame-retardant plywood that above-mentioned steps (3) are obtained is carried out into cutting edge, obtains specification flame-retardant plywood, finally
Sanding, facing are carried out to specification flame-retardant plywood, finished product flame-retardant plywood is obtained.
Embodiment 2：
A kind of wood composite fire retardant, including the raw material of following parts by weight：16 parts of ammonium sulfate, 8 parts of diammonium hydrogen phosphate, boron
8 parts of 5 parts of acid, 5 parts of Firebrake ZB, 4 parts of magnesia, 3 parts of aluminum sulfate and aluminium hydroxide.
The preparation method of described wood composite fire retardant, comprises the following steps：Ammonium sulfate, phosphoric acid hydrogen are weighed by weight
Diamines, boric acid, Firebrake ZB, magnesia, aluminum sulfate and aluminium hydroxide, are separately added into pulverizer and are crushed to 150 mesh, are well mixed,
Obtain wood composite fire-retardant powder.
Application of the described wood composite fire retardant in production flame-retardant plywood, including following production stage：
(1) first wood composite fire-retardant powder is added into modified urea-formaldehyde resin to reconcile in glue, wood composite fire retardant powder
The addition at end is the 30% of modified urea-formaldehyde resin mediation colloid amount, obtains the modified urea-formaldehyde resin containing wood composite fire retardant and adjusts
And glue；The preparation method of described modified urea-formaldehyde resin mediation glue is by 75 parts of modified urea-formaldehyde resin glues, 1.2 parts of NH4CL and
11.25 parts of flour, they are sufficiently mixed uniformly, are stood and obtain after 20min modified urea-formaldehyde resin mediation glue；Described modified urea
Urea formaldehyde glue is that the formaldehyde in glue container is heated into 35 DEG C, adds NaOH to adjust pH to 8.5, adds formaldehyde quality 36%
Urea, is warming up to 70 DEG C and stops heating, makes temperature rise to 88 DEG C naturally, reacts 40min；Quality is slowly added dropwise in 25-30min
Concentration is 20% formic acid solution, the pH value of reactant liquor is adjusted into 4.6, control reaction time 80min, 91 DEG C of temperature, at 30 DEG C
Under the conditions of with apply four glasss measure viscosity, every 10min determine 1 time, terminal viscosity control in 19-20s；Add formaldehyde quality
2% crosslinking agent, after stirring 10min, is subsequently adding the urea of formaldehyde quality 16.5%, 85 DEG C of controlling reaction temperature, reaction
30min, is cooled to 70 DEG C；The urea of formaldehyde quality 20% is eventually adding, 30min is reacted, less than 45 DEG C are cooled to, is adjusted with NaOH
PH to 8.8, stirring 10min sampling dischargings, obtains modified urea-formaldehyde resin glue；
(2) two sides of the veneer that moisture content is 15% is uniformly applied into the mediation glue of the modified urea-formaldehyde resin containing fire retardant, then
Ageing 12min；The applied amount of the mediation glue of the modified urea-formaldehyde resin containing fire retardant is 250g/m2；
(3) veneer after step (2) process is carried out into according to a conventional method assembly, is then carried out at precompressed and hot pressing
Reason, obtains burr flame-retardant plywood；The technological parameter of described precompressed is：Squeeze time 90min, pressure 1.5MPa, temperature are
Normal temperature；The technological parameter of described hot pressing is：Hot pressing time 9min, pressure 1.6MPa, hot pressing temperature are 130 DEG C；
(4) the burr flame-retardant plywood that above-mentioned steps (3) are obtained is carried out into cutting edge, obtains specification flame-retardant plywood, finally
Sanding, facing are carried out to specification flame-retardant plywood, finished product flame-retardant plywood is obtained.
Embodiment 3：
A kind of wood composite fire retardant, including the raw material of following parts by weight：12 parts of ammonium sulfate, 4 parts of diammonium hydrogen phosphate, boron
4 parts of 3 parts of acid, 3 parts of Firebrake ZB, 2 parts of magnesia, 2 parts of aluminum sulfate and aluminium hydroxide.
The preparation method of described wood composite fire retardant, comprises the following steps：Ammonium sulfate, phosphoric acid hydrogen are weighed by weight
Diamines, boric acid, Firebrake ZB, magnesia, aluminum sulfate and aluminium hydroxide, are separately added into pulverizer and are crushed to 130 mesh, are well mixed,
Obtain wood composite fire-retardant powder.
Application of the described wood composite fire retardant in production flame-retardant plywood, including following production stage：
(1) first wood composite fire-retardant powder is added into modified urea-formaldehyde resin to reconcile in glue, wood composite fire retardant powder
The addition at end is the 30% of modified urea-formaldehyde resin mediation colloid amount, obtains the modified urea-formaldehyde resin containing wood composite fire retardant and adjusts
And glue；The preparation method of described modified urea-formaldehyde resin mediation glue is by 70 parts of modified urea-formaldehyde resin glues, 1.2 parts of NH4CL and 10
Part flour, they are sufficiently mixed uniformly, are stood and obtain after 20min modified urea-formaldehyde resin mediation glue；Described modified urea-formaldehyde tree
Fat glue is that the formaldehyde in glue container is heated into 35 DEG C, adds NaOH to adjust pH to 8.4, adds the urine of formaldehyde quality 36%
Element, is warming up to 70 DEG C and stops heating, makes temperature rise to 87 DEG C naturally, reacts 40min；Quality is slowly added dropwise in 25-30min dense
The formic acid solution for 20% is spent, the pH value of reactant liquor 4.6 is adjusted into, control reaction time 70min, 90 DEG C of temperature, in 30 DEG C of bars
With four glasss of measure viscosity are applied under part, determine 1 time every 8min, terminal viscosity is controlled in 20s；Add the 2% of formaldehyde quality
Crosslinking agent, after stirring 10min, is subsequently adding the urea of formaldehyde quality 16.5%, 84 DEG C of controlling reaction temperature, reaction 30min, drop
Temperature is to 70 DEG C；The urea of formaldehyde quality 20% is eventually adding, 30min is reacted, less than 45 DEG C are cooled to, PH is adjusted to 8.6 with NaOH,
Stirring 10min sampling dischargings, obtain modified urea-formaldehyde resin glue；
(2) two sides of the veneer that moisture content is 14% is uniformly applied into the mediation glue of the modified urea-formaldehyde resin containing fire retardant, then
Ageing 10min；The applied amount of the mediation glue of the modified urea-formaldehyde resin containing fire retardant is 250g/m2；
(3) veneer after step (2) process is carried out into according to a conventional method assembly, is then carried out at precompressed and hot pressing
Reason, obtains burr flame-retardant plywood；The technological parameter of described precompressed is：Squeeze time 80min, pressure 1.4MPa, temperature are
Normal temperature；The technological parameter of described hot pressing is：Hot pressing time 8min, pressure 1.5MPa, hot pressing temperature are 120 DEG C；
(4) the burr flame-retardant plywood that above-mentioned steps (3) are obtained is carried out into cutting edge, obtains specification flame-retardant plywood, finally
Sanding, facing are carried out to specification flame-retardant plywood, finished product flame-retardant plywood is obtained.
Embodiment 4：The performance evaluation of the flame-retardant plywood prepared using wood composite fire retardant of the present invention
The performance measurement of the flame-retardant plywood that table 1 is prepared using the wood composite fire retardant of the present invention
Note：The glued board not add wood composite fire retardant is compareed, its preparation method is with embodiment 1-3.
As it can be seen from table 1 embodiment of the present invention 1-3 obtains the oxygen index value of flame-retardant plywood is all higher than 37% (national C
Level fire-protection standard), hence it is evident that better than control (not using glued board made by the process of wood composite fire retardant), be up to state standards C
The requirement of level above fire-protection rating；The present embodiment obtains the bonding strength of flame-retardant plywood and maximal destruction load all close to right
It is better than national standard according to (not using glued board made by the process of wood composite fire retardant).
It is aforementioned to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (3)
1. a kind of wood composite fire retardant, it is characterised in that including the raw material of following parts by weight：Ammonium sulfate 10-16 parts, phosphoric acid
Diammonium hydrogen 2-8 parts, boric acid 1-5 parts, Firebrake ZB 1-5 parts, magnesia 1-4 parts, aluminum sulfate 1-3 parts and aluminium hydroxide 2-8 parts.
2. wood composite fire retardant according to claim 1, it is characterised in that including the raw material of following parts by weight：Sulphur
3 parts of 12 parts of sour ammonium, 4 parts of diammonium hydrogen phosphate, 2 parts of boric acid, 1 part of Firebrake ZB, 2 parts of magnesia, 2 parts of aluminum sulfate and aluminium hydroxide.
3. the preparation method of wood composite fire retardant according to claim 1, it is characterised in that comprise the following steps：Press
Weight portion weighs ammonium sulfate, diammonium hydrogen phosphate, boric acid, Firebrake ZB, magnesia, aluminum sulfate and aluminium hydroxide, is separately added into crushing
Machine is crushed to 120-150 mesh, is well mixed, that is, obtain wood composite fire-retardant powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057199.7A CN106625935A (en) | 2016-11-26 | 2016-11-26 | Wood composite flame retardant, and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057199.7A CN106625935A (en) | 2016-11-26 | 2016-11-26 | Wood composite flame retardant, and preparation method and application thereof |
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| Publication Number | Publication Date |
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| CN106625935A true CN106625935A (en) | 2017-05-10 |
Family
ID=58812670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611057199.7A Pending CN106625935A (en) | 2016-11-26 | 2016-11-26 | Wood composite flame retardant, and preparation method and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283573A (en) * | 2017-08-24 | 2017-10-24 | 刘明 | A kind of wood fire retardant |
| CN108748451A (en) * | 2018-06-01 | 2018-11-06 | 南通亚振东方家具有限公司 | A kind of composite flame-proof timber and production technology |
| CN110065119A (en) * | 2019-05-30 | 2019-07-30 | 烟台格瑞恩高分子材料有限公司 | A kind of plywood glue type fire retardant and its application |
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| CN1894005A (en) * | 2003-11-28 | 2007-01-10 | 尹旭烈 | Composition for action of resist-fire and fire-extinguishing |
| CN101126002A (en) * | 2007-08-17 | 2008-02-20 | 北京双成木科技有限公司 | Wood-based plate fire retardant mixed into adhesive and preparation method thereof |
| JP2015134424A (en) * | 2014-01-16 | 2015-07-27 | 並木木材株式会社 | Method for manufacturing fire-resistant and weather-resistant timber |
| CN105751324A (en) * | 2016-02-25 | 2016-07-13 | 广西大学 | Composite flame retardant and preparation method and application thereof |
-
2016
- 2016-11-26 CN CN201611057199.7A patent/CN106625935A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1894005A (en) * | 2003-11-28 | 2007-01-10 | 尹旭烈 | Composition for action of resist-fire and fire-extinguishing |
| CN101126002A (en) * | 2007-08-17 | 2008-02-20 | 北京双成木科技有限公司 | Wood-based plate fire retardant mixed into adhesive and preparation method thereof |
| JP2015134424A (en) * | 2014-01-16 | 2015-07-27 | 並木木材株式会社 | Method for manufacturing fire-resistant and weather-resistant timber |
| CN105751324A (en) * | 2016-02-25 | 2016-07-13 | 广西大学 | Composite flame retardant and preparation method and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283573A (en) * | 2017-08-24 | 2017-10-24 | 刘明 | A kind of wood fire retardant |
| CN108748451A (en) * | 2018-06-01 | 2018-11-06 | 南通亚振东方家具有限公司 | A kind of composite flame-proof timber and production technology |
| CN110065119A (en) * | 2019-05-30 | 2019-07-30 | 烟台格瑞恩高分子材料有限公司 | A kind of plywood glue type fire retardant and its application |
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Application publication date: 20170510 |