CN106553248A - A kind of wood fire retardant and its application - Google Patents
A kind of wood fire retardant and its application Download PDFInfo
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- CN106553248A CN106553248A CN201611057196.3A CN201611057196A CN106553248A CN 106553248 A CN106553248 A CN 106553248A CN 201611057196 A CN201611057196 A CN 201611057196A CN 106553248 A CN106553248 A CN 106553248A
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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
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to wood processing technique field, and in particular to a kind of wood fire retardant and its application.A kind of wood fire retardant, including the raw material of following parts by weight：10 15 parts of 25 35 parts of tripolycyanamide, 30 40 parts of boric acid, 10 15 parts of Firebrake ZB, 10 20 parts of sodium sulfate and sodium tripolyphosphate.Act on cooperative flame retardant between each raw material of wood fire retardant of the present invention, with good flame retardation effect, low toxicity, the good and eco-friendly advantage of smoke-suppressing, and low price；The flame-retardant plywood prepared using the wood fire retardant of the present invention can significantly improve the fire resistance of flame-retardant plywood, can reach the requirement of national standard C level fire-protection rating；Its bonding strength and maximal destruction load all close to do not use the wood fire retardant process made by plywood.
Description
Technical field
The present invention relates to wood processing technique field, and in particular to a kind of wood fire retardant and its application.
Background technology
Due to the utilization timber that the mankind are excessive so that various famous and precious, big footpath level timber quantity are fewer and feweri, therefore the mankind
It is accomplished in several ways the comprehensive utilization of timber.The birth of wood-based plate, indicates that timber processes the beginning in modernization period, makes
Process is developed into from simple change log shapes improves wood property.People pass through to plant artificial forest, the felling from artificial forest
The timber for getting off makes various wood-based plates, and people are met with this to famous and precious timber, the needs of big footpath level timber.Timber is made
Wood-based plate, it maintains good etc. the characteristic of the light of virgin wood, mechanical property, while and have breadth big, it is structural good, apply
Work is convenient；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, the certain machinings of Jing are separated into various unit materials
Afterwards, apply or do not apply the sheet material or pressing of adhesive and other additive pressings.Wood-based plate mainly includes gluing
The intensity and volume stability of plate, particieboard and fibre board three major types, wherein plywood is preferably, also wide in actual applications
It is general.Plywood 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 very 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 plywood yield constantly increases and the awareness of the importance of fire prevention of people is being improved constantly, occur on market
Various wood fire retardants.Although wood fire retardant is relatively broad in the application of plywood, existing wood fire retardant is still deposited
In problems with：Flame retardant effect is not obvious, relatively costly, the mechanical property shadow that resistance leachability and resistance to ag(e)ing are poor, to plywood
The problems such as sound is big.Therefore, develop a kind of new wood fire retardant with high performance-price ratio to be very important.
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 the information structure in any form 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 fire retardant and its application.
The present invention provide technical scheme be：
A kind of wood fire retardant, including the raw material of following parts by weight：Tripolycyanamide 25-35 parts, boric acid 30-40 parts, boron
Sour zinc 10-15 parts, sodium sulfate 10-20 parts and sodium tripolyphosphate 10-15 parts.
Preferably, described wood fire retardant, including the raw material of following parts by weight：25 parts of tripolycyanamide, boric acid 40
Part, 12 parts of Firebrake ZB, 15 parts of sodium sulfate and 12 parts of sodium tripolyphosphate.
Present invention also offers the preparation method of described wood fire retardant, comprises the following steps：Weigh tripolycyanamide 25-
35 parts, boric acid 30-40 parts, Firebrake ZB 10-15 parts, sodium sulfate 10-20 parts and sodium tripolyphosphate 10-15 parts, are separately added into crushing
Machine is crushed to 120-150 mesh, then mixes each component, is eventually adding water, prepares fire-retarding of wood of the mass concentration for 10-15%
Agent solution.
Present invention also offers application of the described wood fire retardant in production flame-retardant plywood, including following production step
Suddenly：
(1) select that knot is few, the few veneer of defect clears up surface, moisture content is dried the veneers to for 8-10%, placed into
Mass concentration is then taken out and is dried, then carried out with rolling dryer to soak 24 hours in the fire-retarding of wood agent solution of 10-15%
It is dried, the moisture content for controlling veneer is 12-15%；
(2) modified urea-formaldehyde resin mediation glue will be applied through the two sides of the veneer after step (1) process, then will be aged 8-
12min；
(3) veneer after step (2) process is carried out into assembly according to a conventional method, is then carried out at precompressed and hot pressing
Reason, obtains burr flame-retardant plywood；The technological parameter of the precompressed is：Squeeze time 70-90min, pressure 1.3-1.5MPa, often
Temperature；The technological parameter of the hot pressing is：Hot pressing time 7-9min, pressure 1.4-1.6MPa, hot pressing temperature are 110-130 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, flame-retardant plywood is obtained.
Preferably, described modified urea-formaldehyde resin reconcile glue preparation method be by 65-75 part modified urea-formaldehyde resin glues,
1.2 parts of NH4Cl and 9.5-11.25 part flour, they are sufficiently mixed uniformly, and modified urea-formaldehyde resin tune is obtained after standing 20min
And glue.
Preferably, described modified urea-formaldehyde resin glue is that the formaldehyde in glue container is heated to 35 DEG C, NaOH is added
PH to 8.3-8.5 is adjusted, the carbamide of formaldehyde quality 36% is added, 70 DEG C is warming up to and is stopped heating, make temperature rise to naturally 85-88
DEG C, react 40min；The formic acid solution that mass concentration is 20% is slowly added dropwise in 25-30min, the pH value of reactant liquor is adjusted to
4.6, control response time 60-80min, temperature 89-91 DEG C, with four glasss of measure viscosity are applied under the conditions of 30 DEG C, every 5-10min
Determine 1 time, terminal viscosity is controlled in 19-20s；The 2% of formaldehyde quality cross-linking agent is added, after stirring 10min, is subsequently adding
The carbamide of formaldehyde quality 16.5%, controlling reaction temperature 83-85 DEG C, reaction 30min, is cooled to 70 DEG C；It is eventually adding formaldehyde matter
The carbamide of amount 20%, reacts 30min, is cooled to less than 45 DEG C, adjusts PH to 8.5-8.8, stirring 10min to sample discharging with NaOH,
Obtain modified urea-formaldehyde resin glue.
Preferably, the technological parameter of the precompressed described in step (3) is：Squeeze time 70-90min, pressure 1.3-
1.5MPa, temperature are room temperature.
Preferably, the technological parameter of the hot pressing described in step (3) is：Hot pressing time 7-9min, pressure 1.4-
1.6MPa, hot pressing temperature are 110-130 DEG C.
Compared with prior art, the present invention has the advantages that：
1. act on cooperative flame retardant between each raw material of the wood fire retardant of the present invention, with good flame retardation effect, low toxicity, suppression
Cigarette is good and eco-friendly advantage, and low price.
2. the flame-retardant plywood for being prepared using the wood fire retardant of the present invention can significantly improve the anti-flammability of flame-retardant plywood
Can, can reach the requirement of national standard C level fire-protection rating；Its bonding strength and maximal destruction load is not all close to using the wood
Plywood made by the process of material fire retardant.
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 ingredient, and do not exclude other units
Part or other ingredients.
Embodiment 1：
A kind of wood fire retardant, including the raw material of following parts by weight：25 parts of tripolycyanamide, 30 parts of boric acid, Firebrake ZB 10
10 parts of part, 10 parts of sodium sulfate and sodium tripolyphosphate.
The preparation method of described wood fire retardant, comprises the following steps：Tripolycyanamide, boric acid, boron are weighed by weight
Sour zinc, sodium sulfate and sodium tripolyphosphate, are separately added into pulverizer and are crushed to 120 mesh, then mix each component, be eventually adding
Water, prepares the fire-retarding of wood agent solution that mass concentration is 10%.
Application of the described wood fire retardant in production flame retardant fibre board, including following production stage：
(1) select that knot is few, the few veneer of defect clears up surface, moisture content is dried the veneers to for 8%, place into matter
Soak 24 hours in measuring the fire-retarding of wood agent solution that concentration is 10%, then take out and dry, then be dried with rolling dryer,
The moisture content for controlling veneer is 12%；
(2) modified urea-formaldehyde resin mediation glue will be applied through the two sides of the veneer after step (1) process, then will be aged 8min；
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 of faces
Powder, they are sufficiently mixed uniformly, and modified urea-formaldehyde resin mediation glue is obtained after standing 20min；Described modified urea-formaldehyde resin glue
It is that the formaldehyde in glue container is heated to into 35 DEG C, adds NaOH to adjust pH to 8.3, add the carbamide of formaldehyde quality 36%, rise
Temperature stops heating to 70 DEG C, makes temperature rise to naturally 85 DEG C, reacts 40min；Mass concentration is slowly added dropwise in 25min for 20%
Formic acid solution, the pH value of reactant liquor is adjusted to into 4.6, control response time 60min, 89 DEG C of temperature, with applying under the conditions of 30 DEG C
Four glasss of measure viscosity, determine 1 time every 5min, and terminal viscosity is controlled in 19s；The 2% of formaldehyde quality cross-linking agent is added, is stirred
After mixing 10min, the carbamide of formaldehyde quality 16.5% is subsequently adding, 83 DEG C of controlling reaction temperature, reaction 30min are cooled to 70 DEG C；
The carbamide of formaldehyde quality 20% is eventually adding, 30min is reacted, is cooled to less than 45 DEG C, PH to 8.5 is adjusted with NaOH, stir 10min
Sampling discharging, obtains modified urea-formaldehyde resin glue；
(3) veneer after step (2) process is carried out into assembly according to a conventional method, is then carried out at precompressed and hot pressing
Reason, obtains burr flame-retardant plywood；The technological parameter of the precompressed is：Squeeze time 70min, pressure 1.3MPa, temperature are normal
Temperature；The technological parameter of the 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, flame-retardant plywood is obtained.
Embodiment 2：
A kind of wood fire retardant, including the raw material of following parts by weight：35 parts of tripolycyanamide, 40 parts of boric acid, Firebrake ZB 15
15 parts of part, 20 parts of sodium sulfate and sodium tripolyphosphate.
The preparation method of described wood fire retardant, comprises the following steps：Tripolycyanamide, boric acid, boron are weighed by weight
Sour zinc, sodium sulfate and sodium tripolyphosphate, are separately added into pulverizer and are crushed to 120 mesh, then mix each component, be eventually adding
Water, prepares the fire-retarding of wood agent solution that mass concentration is 10%.
Application of the described wood fire retardant in production flame retardant fibre board, including following production stage：
(1) select that knot is few, the few veneer of defect clears up surface, moisture content is dried the veneers to for 10%, place into matter
Soak 24 hours in measuring the fire-retarding of wood agent solution that concentration is 15%, then take out and dry, then be dried with rolling dryer,
The moisture content for controlling veneer is 15%；
(2) modified urea-formaldehyde resin mediation glue will be applied through the two sides of the veneer after step (1) process, then will be aged 12min；
Described modified urea-formaldehyde resin reconcile glue preparation method be by 75 parts of modified urea-formaldehyde resin glues, 1.2 parts NH4Cl and 11.25 part
Flour, they are sufficiently mixed uniformly, and modified urea-formaldehyde resin mediation glue is obtained after standing 20min；Described modified urea-formaldehyde resin
Glue is that the formaldehyde in glue container is heated to 35 DEG C, adds NaOH to adjust pH to 8.5, adds the carbamide of formaldehyde quality 36%,
It is warming up to 70 DEG C and stops heating, make temperature rise to naturally 85-88 DEG C, 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 to into, control response time 80min, 91 DEG C of temperature, in 30 DEG C of bars
With four glasss of measure viscosity are applied under part, determine 1 time every 10min, terminal viscosity is controlled in 20s；Add the 2% of formaldehyde quality
Cross-linking agent, after stirring 10min, is subsequently adding the carbamide of formaldehyde quality 16.5%, 85 DEG C of controlling reaction temperature, reaction 30min, drop
Temperature is to 70 DEG C；The carbamide of formaldehyde quality 20% is eventually adding, 30min is reacted, is cooled to less than 45 DEG C, PH is adjusted to 8.8 with NaOH,
Stirring 10min sampling dischargings, obtain modified urea-formaldehyde resin glue；
(3) veneer after step (2) process is carried out into assembly according to a conventional method, is then carried out at precompressed and hot pressing
Reason, obtains burr flame-retardant plywood；The technological parameter of the precompressed is：Squeeze time 90min, pressure 1.5MPa, temperature are normal
Temperature；The technological parameter of the 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, flame-retardant plywood is obtained.
Embodiment 3：
A kind of wood fire retardant, including the raw material of following parts by weight：30 parts of tripolycyanamide, 35 parts of boric acid, Firebrake ZB 12
12 parts of part, 15 parts of sodium sulfate and sodium tripolyphosphate.
The preparation method of described wood fire retardant, comprises the following steps：Tripolycyanamide, boric acid, boron are weighed by weight
Sour zinc, sodium sulfate and sodium tripolyphosphate, are separately added into pulverizer and are crushed to 120 mesh, then mix each component, be eventually adding
Water, prepares the fire-retarding of wood agent solution that mass concentration is 10%.
Application of the described wood fire retardant in production flame retardant fibre board, including following production stage：
(1) select that knot is few, the few veneer of defect clears up surface, moisture content is dried the veneers to for 9%, place into matter
Soak 24 hours in measuring the fire-retarding of wood agent solution that concentration is 12%, then take out and dry, then be dried with rolling dryer,
The moisture content for controlling veneer is 13%；
(2) modified urea-formaldehyde resin mediation glue will be applied through the two sides of the veneer after step (1) process, then will be aged 10min；
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 of faces
Powder, they are sufficiently mixed uniformly, and modified urea-formaldehyde resin mediation glue is obtained after standing 20min；Described modified urea-formaldehyde resin glue
It is that the formaldehyde in glue container is heated to into 35 DEG C, adds NaOH to adjust pH to 8.4, add the carbamide of formaldehyde quality 36%, rise
Temperature stops heating to 70 DEG C, makes temperature rise to naturally 86 DEG C, reacts 40min；Mass concentration is slowly added dropwise in 28min for 20%
Formic acid solution, the pH value of reactant liquor is adjusted to into 4.6, control response time 70min, 90 DEG C of temperature, with applying under the conditions of 30 DEG C
Four glasss of measure viscosity, determine 1 time every 8min, and terminal viscosity is controlled in 19s；The 2% of formaldehyde quality cross-linking agent is added, is stirred
After mixing 10min, the carbamide of formaldehyde quality 16.5% is subsequently adding, controlling reaction temperature 83-85 DEG C, reaction 30min are cooled to 70
℃；The carbamide of formaldehyde quality 20% is eventually adding, 30min is reacted, is cooled to less than 45 DEG C, PH to 8.6, stirring are adjusted with NaOH
10min sampling dischargings, obtain modified urea-formaldehyde resin glue；
(3) veneer after step (2) process is carried out into assembly according to a conventional method, is then carried out at precompressed and hot pressing
Reason, obtains burr flame-retardant plywood；The technological parameter of the precompressed is：Squeeze time 80min, pressure 1.4MPa, temperature are normal
Temperature；The technological parameter of the 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, flame-retardant plywood is obtained.
Embodiment 4：The performance evaluation of the flame-retardant plywood prepared using wood fire retardant of the present invention
The performance measurement of the flame-retardant plywood that table 1 is prepared using veneer lumber fire retardant of the present invention
Note：The plywood not add wood fire retardant is compareed, its preparation method is with embodiment 1-3.
As it can be seen from table 1 the oxygen index value of flame-retardant plywood is all higher than 37% obtained by embodiment of the present invention 1-3, it is bright
It is aobvious to be better than control (not using plywood made by wood fire retardant process), the requirement of the C level fire-protection ratings that are up to state standards；This
Inventive embodiments 1-3 obtain the bonding strength of flame-retardant plywood and maximal destruction load and (do not use timber to hinder all close to control
Plywood made by combustion agent process).
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, much can be 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 fire retardant, it is characterised in that including the raw material of following parts by weight：Tripolycyanamide 25-35 parts, boric acid
30-40 parts, Firebrake ZB 10-15 parts, sodium sulfate 10-20 parts and sodium tripolyphosphate 10-15 parts.
2. wood fire retardant according to claim 1, it is characterised in that including the raw material of following parts by weight：Melamine
12 parts of 25 parts of amine, 40 parts of boric acid, 12 parts of Firebrake ZB, 15 parts of sodium sulfate and sodium tripolyphosphate.
3. the preparation method of wood fire retardant according to claim 1, it is characterised in that comprise the following steps：Weigh three
Poly cyanamid 25-35 parts, boric acid 30-40 parts, Firebrake ZB 10-15 parts, sodium sulfate 10-20 parts and sodium tripolyphosphate 10-15 parts, respectively
Add pulverizer to be crushed to 120-150 mesh, then each component is mixed, be eventually adding water, mass concentration is prepared for 10-15%'s
Fire-retarding of wood agent solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611057196.3A CN106553248A (en) | 2016-11-26 | 2016-11-26 | A kind of wood fire retardant and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611057196.3A CN106553248A (en) | 2016-11-26 | 2016-11-26 | A kind of wood fire retardant and its application |
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| Publication Number | Publication Date |
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| CN106553248A true CN106553248A (en) | 2017-04-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283573A (en) * | 2017-08-24 | 2017-10-24 | 刘明 | A kind of wood fire retardant |
| CN114516100A (en) * | 2022-02-15 | 2022-05-20 | 江山花木匠家居有限公司 | Flame-retardant plywood and preparation method thereof |
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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 |
| CN105291222A (en) * | 2015-11-18 | 2016-02-03 | 广西大学 | Composite flame retardant for plywood and application of plywood |
| CN105538450A (en) * | 2016-01-08 | 2016-05-04 | 广西大学 | Fire retardant and application thereof |
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- 2016-11-26 CN CN201611057196.3A patent/CN106553248A/en active Pending
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| 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 |
| CN105291222A (en) * | 2015-11-18 | 2016-02-03 | 广西大学 | Composite flame retardant for plywood and application of plywood |
| CN105538450A (en) * | 2016-01-08 | 2016-05-04 | 广西大学 | Fire retardant and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283573A (en) * | 2017-08-24 | 2017-10-24 | 刘明 | A kind of wood fire retardant |
| CN114516100A (en) * | 2022-02-15 | 2022-05-20 | 江山花木匠家居有限公司 | Flame-retardant plywood and preparation method thereof |
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Application publication date: 20170405 |