CN109929261A - A kind of fire proofing fibre board based on boron modification Lauxite - Google Patents
A kind of fire proofing fibre board based on boron modification Lauxite Download PDFInfo
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- CN109929261A CN109929261A CN201910195671.0A CN201910195671A CN109929261A CN 109929261 A CN109929261 A CN 109929261A CN 201910195671 A CN201910195671 A CN 201910195671A CN 109929261 A CN109929261 A CN 109929261A
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Abstract
The present invention relates to a kind of fire proofing fibre boards based on boron modification Lauxite, it is characterized in that, in parts by weight, formula composition are as follows: 65-75 parts of wood fibre powder, 15-25 parts of alumina setter fiber, 20-30 parts of high-performance boron modification urea-formaldehyde resin adhesive, 5-10 parts of thermoplastic polymer powder, 3-6 parts of wax emulsion, 5-10 parts of coupling agent.Under same thickness, density, water absorption rate are closer to for performance of the invention and city's mid-sales density wood fiberboard, but intensity of the invention is higher, burst size of methanal is lower, anti-flammability more preferable (oxygen index (OI) is high), soundproof effect are also relatively preferable.
Description
Technical field
The invention belongs to fibrous plate technical fields, are related to a kind of fire proofing fibre board based on boron modification Lauxite.
Background technique
As the improvement of people's living standards, house ornamentation decoration has become a kind of necessity.In woodwork processing industry, people
The generation for making plate solves forestry residue Utilizing question, and because of its uniform color, compact structure, hardness is suitable for nothing
Many advantages, such as natural defect, and it is widely used in the industries such as building, decorations, Furniture manufacture, transport.Currently, house ornamentation material
Material is quickly grown, and especially interior decoration and decoration aspect needs to consume a large amount of fitment material for family.Interior fitment material for family master at present
Be divided into pure inorganic plate, timber, organic board, textile material, composite board, due to timber it is easy to moisture absorption, it is perishable, easily recruit worm
Defect easy to crack, application are restricted after eating into and being soaked, and fire proofing fibre board has certain intensity and hardness, are resisted
Wind erosion ability is strong, has stable high-temperature performance, and compressive resistance is high under the condition of high temperature, is commonly used for the heat-barrier material of high-temperature service.
CN201410465252.1 discloses a kind of fire prevention medium density fibre board (MDF), including plant fiber, fire retardant and gluing
Agent, wherein the absolute dry mass ratio of Zhi object Xian Wei ︰ fire retardant ZR-AP ︰ adhesive is 100 ︰, 5~45 ︰ 6~30.Made from the invention
Fire prevention medium density fibre board (MDF) can not only significantly improve the mechanical property of flame retardant fibre board, and combustibility meets the A of GB8624
Grade or B1 grades of regulations, and can reduce burst size of methanal, smoke-producing amount, smoke toxicity, it is density in a kind of fire prevention of super quality and competitive price
Fiberboard.But invention fire retardant addition is relatively more, the heat insulation performance of plate is relatively poor.
Summary of the invention
It is in order to overcome the shortcomings of the prior art and insufficient, the present invention is intended to provide a kind of fire prevention based on boron modification Lauxite
Fiberboard.
A kind of fire proofing fibre board based on boron modification Lauxite, in parts by weight, formula composition are as follows: wooden fibre
Powder 65-75 parts of dimension, 15-25 parts of alumina setter fiber, 20-30 parts of high-performance boron modification urea-formaldehyde resin adhesive, thermoplasticity polymerization
5-10 parts of object powder, 3-6 parts of wax emulsion, 5-10 parts of coupling agent.
Wherein, the high-performance boron modification urea-formaldehyde resin adhesive, in parts by weight, preparing raw material includes: urea
28-45 parts, 0.1-0.5 parts of acrylamide, 15-25 parts of paraformaldehyde, 8-16 parts of boric acid melamine, polyvinyl acetate 3-6
Part, 2-5 parts of ammonium polyphosphate, 30-45 parts of deionized water, 2-4 parts of ammonium hydroxide.
Further, according to parts by weight, the preparation process of the high-performance boron modification urea-formaldehyde resin adhesive is as follows:
By 20-30 parts of urea, 0.1-0.5 parts of acrylamides, 15-25 parts of paraformaldehydes, 4-8 parts of boric acid melamines, 3-6
Part polyvinyl acetate, 2-5 parts of ammonium polyphosphate, 30-45 parts of deionized waters are put into reaction kettles, after stirring, heating
It is uniformly dissolved, is then adjusted mixed liquor pH value to 7.5 with basic catalyst, insulation reaction 0.5-1h to 55-65 DEG C；To system
4-8 parts of boric acid melamines of middle addition, while reaction mixture pH value is turned down with acidic catalyst, every the Plus acidic catalysis of 5min
Agent is primary and detects pH value, until the reaction was continued after system pH to 4-5 20-30min；Then system is adjusted with basic catalyst again
PH value is warming up to 65-70 DEG C, reacts 0.5-1h, 8-15 parts of urea are added thereto, then with basic catalyst tune pH value to 8
To 8.5-9；When cooling to 60 DEG C, 2-4 parts of ammonium hydroxide are then added, stirs evenly, filters and packages, obtain high-performance boron modification urea
Urea formaldehyde glue.
The wood fibre powder partial size is not more than 0.5mm；The alumina setter fibre length is less than 0.5mm.
The thermoplastic polymer powder is thermoplastic polystyrene resin, thermoplastic styrene butadiene rubber, thermoplastic ABS resin
At least one of, partial size is 100-400 mesh；The wax emulsion be mass fraction be 30-50% polythene wax emulsion,
At least one of polypropylene wax emulsion, oxidized polyethylene wax emulsion, SBR emulsion.
The coupling agent is solids coupling agent, preferably commercially available KR-TTS, commercially available W-6011, commercially available TMC-130, commercially available
At least one of DL-411, the compound of three isostearic acid isopropyl titanates, distearyl acyl-oxygen aluminum isopropoxide acid esters.
The degree of polymerization of the paraformaldehyde is 40-80；The molecular weight of the polyvinyl acetate is 4000-10000；
The basic catalyst is at least one of ammonium hydroxide, potassium hydroxide, sodium hydroxide, barium hydroxide；The acidic catalyst
Agent is at least one of citric acid, malic acid, tartaric acid, lactic acid, succinic acid, acrylic acid.
The fire proofing fibre board based on boron modification Lauxite, preparation method includes the following steps:
Air blast by formula by wood fibre powder, alumina setter fiber, thermoplastic polymer powder, coupling agent at 60 DEG C
It is sufficiently mixed 1h in oscillator, obtains mixture A；High-performance boron modification urea-formaldehyde resin adhesive, wax emulsion are uniformly mixed by formula, obtained
Mixture B；A, B are uniformly mixed in batch mixer, then hot-forming in vulcanizing press, hot pressing pressure 2-
160-180 DEG C of hot pressing temperature, hot pressing time 15-30min, the fire proofing fibre board based on boron modification Lauxite is made in 10MPa.
Compared with the existing technology, the present invention has the following advantages that or beneficial outcomes: (1) present invention is using paraformaldehyde legal system
Standby high-performance boron modification urea-formaldehyde resin adhesive out, environmental pollution is small, and the fire proofing fibre board content of formaldehyde is far below Europe superscript；(2) institute
The high-performance boron modification urea-formaldehyde resin adhesive stated is modified using boron, ammonium polyphosphate, and P-N-B cooperative flame retardant, the urea-formaldehyde resin adhesive has
High fire line；(3) in the preparation of fire proofing fibre board of the present invention, wood fibre powder reacts at 60 DEG C with coupling agent first and is changed
Property, modified wood fibre and high-performance boron modification urea-formaldehyde resin adhesive are chemically combined when hot-forming in vulcanizing press, institute
The fire proofing fibre board hardness stated is higher, uniformity is good.
Specific embodiment
A kind of fire proofing fibre board based on boron modification Lauxite of the invention is done further below with reference to embodiment
Description.It is understood that specific embodiment described herein is used only for explaining related invention, rather than to the limit of the invention
It is fixed.
For the raw material of the embodiment of the present invention in addition to high-performance boron modification urea-formaldehyde resin adhesive is self-control, remaining is commercially available.
Embodiment 1
A kind of fire proofing fibre board based on boron modification Lauxite, which is characterized in that in parts by weight, formula group
Become: 75 parts of wood fibre powder (partial size 0.2mm), 15 parts of alumina setter fiber (partial size 0.2mm), high-performance boron modification urea
20 parts of urea formaldehyde glue, 5 parts of thermoplastic styrene butadiene rubber (100 mesh), mass fraction are 6 parts of 30% polypropylene wax emulsion, commercially available W-
6011 10 parts of coupling agents；
According to parts by weight, the preparation process of high-performance boron modification urea-formaldehyde resin adhesive described in the present embodiment is as follows:
By 24 parts of urea, 0.4 part of acrylamide, 19 parts of paraformaldehydes (degree of polymerization 40), 5 parts of boric acid melamines, 5 parts
Polyvinyl acetate (molecular weight 4000), 4 parts of ammonium polyphosphate, 33 parts of deionized waters are put into reaction kettles, are stirred
Afterwards, 58 DEG C are warming up to be uniformly dissolved, is then adjusted mixed liquor pH value to 7.5 with potassium hydroxide, insulation reaction 0.7h；To system
7 parts of boric acid melamines of middle addition, while reaction mixture pH value is turned down with acidic catalyst tartaric acid, it is Plus acidic every 5min
Catalyst tartaric acid is primary and detects pH value, until system pH is to the reaction was continued after 4 25min；Then basic catalyst hydrogen is used again
Potassium oxide adjusts system pH to 8, is warming up to 68 DEG C, reacts 0.7h, 10 parts of urea are added thereto, then use basic catalyst
Potassium hydroxide tune pH value is to 9；When cooling to 60 DEG C, 3 parts of ammonium hydroxide are then added, stirs evenly, filters and packages, obtain high-performance
Boron modification urea-formaldehyde resin adhesive.
Fire proofing fibre board based on boron modification Lauxite in embodiment 1, preparation method includes the following steps:
Air blast by formula by wood fibre powder, alumina setter fiber, thermoplastic polymer powder, coupling agent at 60 DEG C
It is sufficiently mixed 1h in oscillator, obtains mixture A；High-performance boron modification urea-formaldehyde resin adhesive, wax emulsion are uniformly mixed by formula, obtained
Mixture B；A, B are uniformly mixed in batch mixer, then hot-forming in vulcanizing press, hot pressing pressure 10MPa,
160 DEG C of hot pressing temperature, hot pressing time 20min, the fire proofing fibre board based on boron modification Lauxite is made.
Embodiment 2
A kind of fire proofing fibre board based on boron modification Lauxite, which is characterized in that in parts by weight, formula group
Become: 65 parts of wood fibre powder (partial size 0.1mm), 10 parts of alumina setter fiber (partial size 0.1mm), high-performance boron modification urea
30 parts of urea formaldehyde glue, 10 parts of thermoplastic abs (400 mesh), mass fraction are 3 parts of 50% oxidized polyethylene wax emulsion, three different tristearin
5 parts of the compounding compound coupling agent of sour isopropyl titanate；
According to parts by weight, the preparation process of high-performance boron modification urea-formaldehyde resin adhesive described in the present embodiment is as follows:
By 20 parts of urea, 0.1 part of acrylamide, 15 parts of paraformaldehydes (degree of polymerization 80), 4 parts of boric acid melamines, 3 parts
Polyvinyl acetate (molecular weight 10000), 2 parts of ammonium polyphosphate, 30 parts of deionized waters are put into reaction kettles, are stirred
Afterwards, 65 DEG C are warming up to be uniformly dissolved, is then adjusted mixed liquor pH value to 7.5 with basic catalyst ammonium hydroxide, insulation reaction 0.5h；
8 parts of boric acid melamines are added into system, while turning down reaction mixture pH value with acidic catalyst citric acid, every 5min
Plus acidic catalyst citric acid is primary and detects pH value, until system pH is to the reaction was continued after 5 20min；Then it is urged again with alkalinity
Agent ammonium hydroxide adjusts system pH to 8, is warming up to 70 DEG C, reacts 0.5h, 15 parts of urea are added thereto, then use base catalysis
Agent ammonium hydroxide tune pH value is to 9；When cooling to 60 DEG C, 4 parts of ammonium hydroxide are then added, stirs evenly, filters and packages, obtain high-performance boron
Modified urea-formaldehyde resin glue.
Fire proofing fibre board based on boron modification Lauxite in embodiment 2, preparation method includes the following steps:
Air blast by formula by wood fibre powder, alumina setter fiber, thermoplastic polymer powder, coupling agent at 60 DEG C
It is sufficiently mixed 1h in oscillator, obtains mixture A；High-performance boron modification urea-formaldehyde resin adhesive, wax emulsion are uniformly mixed by formula, obtained
Mixture B；A, B are uniformly mixed in batch mixer, then hot-forming in vulcanizing press, hot pressing pressure 2MPa,
180 DEG C of hot pressing temperature, hot pressing time 15min, the fire proofing fibre board based on boron modification Lauxite is made.
Embodiment 3
A kind of fire proofing fibre board based on boron modification Lauxite, which is characterized in that in parts by weight, formula group
Become: 68 parts of wood fibre powder (partial size 0.3mm), 20 parts of alumina setter fiber (partial size 0.3mm), high-performance boron modification urea
23 parts of urea formaldehyde glue, 8 parts of thermoplastic polystyrene resin (300 mesh), mass fraction are 4 parts of 40% SBR emulsion, coupling
9 parts of acid esters of agent distearyl acyl-oxygen aluminum isopropoxide；
According to parts by weight, the preparation process of high-performance boron modification urea-formaldehyde resin adhesive described in the present embodiment is as follows:
By 30 parts of urea, 0.5 part of acrylamide, 25 parts of paraformaldehydes (degree of polymerization 60), 8 parts of boric acid melamines, 6 parts
Polyvinyl acetate (molecular weight 8000), 5 parts of ammonium polyphosphate, 45 parts of deionized waters are put into reaction kettles, are stirred
Afterwards, 55 DEG C are warming up to be uniformly dissolved, is then adjusted mixed liquor pH value to 7.5 with basic catalyst barium hydroxide, insulation reaction
1h；8 parts of boric acid melamines are added into system, while turning down reaction mixture pH value with acidic catalyst succinic acid, every
The Plus acidic catalyst succinic acid of 5min is primary and detects pH value, until system pH is to the reaction was continued after 4 30min；Then alkali is used again
Property catalyst barium hydroxide adjust system pH to 8, be warming up to 65 DEG C, react 1h, 8 parts of urea are added thereto, then use alkali
Property catalyst barium hydroxide tune pH value is to 8.5；When cooling to 60 DEG C, 2 parts of ammonium hydroxide are then added, stirs evenly, filters and packages, i.e.,
High-performance boron modification urea-formaldehyde resin adhesive is made.
Fire proofing fibre board based on boron modification Lauxite in embodiment 3, preparation method the following steps are included:
Air blast by formula by wood fibre powder, alumina setter fiber, thermoplastic polymer powder, coupling agent at 60 DEG C
It is sufficiently mixed 1h in oscillator, obtains mixture A；High-performance boron modification urea-formaldehyde resin adhesive, wax emulsion are uniformly mixed by formula, obtained
Mixture B；A, B are uniformly mixed in batch mixer, then hot-forming in vulcanizing press, hot pressing pressure 8MPa,
165 DEG C of hot pressing temperature, hot pressing time 30min, the fire proofing fibre board based on boron modification Lauxite is made.
It as a comparison case with city's mid-sales density wood fiberboard, will be described in comparative example, embodiment 1-3 under the same terms
Fire proofing fibre board based on boron modification Lauxite is according to GB/T 11718-2009,2406 GB/T table 1:
The performance data of 1 fiberboard of table
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example | |
| Moisture content (%) | 3.8 | 4.2 | 3.7 | 3.7 |
| Thickness (mm) | 9.13 | 9.13 | 9.13 | 9.13 |
| Density (kgm3) | 448 | 425 | 397 | 463 |
| Burst size of methanal (mg/100g) | 0.4 | 0.8 | 0.5 | 15.6 |
| Surface bonding strength (MPa) | 2.3 | 5.2 | 3.8 | 2.2 |
| Internal bond strength (MPa) | 1.7 | 3.6 | 2.4 | 1.4 |
| Elasticity modulus ((MPa)) | 2830 | 3015 | 2925 | 2650 |
| Thickness swelling rate | 3.4% | 4.5% | 4.6% | 12.5% |
| Oxygen index (OI) (%) | 58. | 59.6 | 56.4 | 40.5 |
| Acoustic absorptivity | 0.90 | 0.89 | 0.91 | 0.49 |
As can be seen from the above table, performance of the invention and city's mid-sales density wood fiberboard be under same thickness, density,
Water absorption rate is closer to, but intensity of the invention is higher, burst size of methanal is lower, anti-flammability more preferable (oxygen index (OI) is high), sound insulation effect
Fruit is also relatively preferable.
Although the present invention has been explained in detail and has referred to embodiment, for those of ordinary skill in the art, show
Various schemes, modification and the change that can so make as specified above, should be construed as being included within the scope of the claims.
Claims (10)
1. a kind of fire proofing fibre board based on boron modification Lauxite, which is characterized in that in parts by weight, formula composition
Are as follows: 65-75 parts of wood fibre powder, 10-15 parts of alumina setter fiber, 20-30 parts of high-performance boron modification urea-formaldehyde resin adhesive, heat
5-10 parts of thermoplastic polymer powder, 3-6 parts of wax emulsion, 5-10 parts of coupling agent.
2. the fire proofing fibre board according to claim 1 based on boron modification Lauxite, which is characterized in that the high property
Energy boron modification urea-formaldehyde resin adhesive, in parts by weight, preparing raw material includes: 28-45 parts of urea, acrylamide 0.1-0.5
Part, 15-25 parts of paraformaldehyde, 8-16 parts of boric acid melamine, 3-6 parts of polyvinyl acetate, 2-5 parts of ammonium polyphosphate, deionization
30-45 parts of water, 2-4 parts of ammonium hydroxide.
3. the fire proofing fibre board according to claim 2 based on boron modification Lauxite, which is characterized in that the high property
The preparation process of energy boron modification urea-formaldehyde resin adhesive is as follows:
Proportion in parts by weight, by urea, acrylamide, paraformaldehyde, boric acid melamine, polyvinyl acetate, poly- phosphorus
In sour ammonium, deionized water investment reaction kettle, after stirring, it is warming up to 55-65 DEG C and is uniformly dissolved, then use base catalysis
Agent adjusts mixed liquor pH value to 7.5, insulation reaction 0.5-1h；Boric acid melamine is added into system, while being urged with acidity
Agent turns down reaction mixture pH value, primary every the Plus acidic catalyst of 5min and detect pH value, until system pH is subsequent to 4-5
Continuous reaction 20-30min；Then it is warming up to 65-70 DEG C, is reacted 0.5-1h with basic catalyst adjustment system pH to 8 again, to
Urea is wherein added, then with basic catalyst tune pH value to 8.5-9；When cooling to 60 DEG C, ammonium hydroxide is then added, stirring is equal
It is even, it filters and packages, obtains high-performance boron modification urea-formaldehyde resin adhesive.
4. the fire proofing fibre board according to claim 3 based on boron modification Lauxite, which is characterized in that the poly
The degree of polymerization of formaldehyde is 40-80；The molecular weight of the polyvinyl acetate is 4000-10000.
5. the fire proofing fibre board according to claim 3 based on boron modification Lauxite, which is characterized in that the alkalinity
Catalyst is at least one of ammonium hydroxide, potassium hydroxide, sodium hydroxide, barium hydroxide；The acidic catalyst be citric acid,
At least one of malic acid, tartaric acid, lactic acid, succinic acid, acrylic acid.
6. the fire proofing fibre board according to claim 1 based on boron modification Lauxite, which is characterized in that described is wooden
Fiber dust partial size is not more than 0.5mm；The alumina setter fibre length is less than 0.5mm.
7. the fire proofing fibre board according to claim 1 based on boron modification Lauxite, which is characterized in that the thermoplastic
Property polymer powder be at least one of thermoplastic polystyrene resin, thermoplastic styrene butadiene rubber, thermoplastic ABS resin.
8. the fire proofing fibre board according to claim 1 based on boron modification Lauxite, which is characterized in that the wax cream
Liquid is polythene wax emulsion, polypropylene wax emulsion, oxidized polyethylene wax emulsion, the butadiene-styrene rubber cream that mass fraction is 30-50%
At least one of liquid.
9. the fire proofing fibre board according to claim 1 based on boron modification Lauxite, which is characterized in that the coupling
Agent is the compounding of commercially available KR-TTS, commercially available W-6011, commercially available TMC-130, commercially available DL-411, three isostearic acid isopropyl titanates
At least one of object, distearyl acyl-oxygen aluminum isopropoxide acid esters.
10. -9 described in any item fire proofing fibre boards based on boron modification Lauxite according to claim 1, which is characterized in that
Preparation method includes the following steps:
Wood fibre powder, alumina setter fiber, thermoplastic polymer powder, coupling agent are vibrated in 60 DEG C of air blast by formula
It is sufficiently mixed 1h in device, obtains mixture A；High-performance boron modification urea-formaldehyde resin adhesive, wax emulsion are uniformly mixed by formula, must be mixed
Expect B；A, B are uniformly mixed in batch mixer, then hot-forming in vulcanizing press, hot pressing pressure 2-10MPa, heat
The fire proofing fibre board based on boron modification Lauxite is made in 160-180 DEG C of temperature, hot pressing time 15-30min of pressure.
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