CN109849147A - One kind is based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof - Google Patents
One kind is based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof Download PDFInfo
- Publication number
- CN109849147A CN109849147A CN201811342713.0A CN201811342713A CN109849147A CN 109849147 A CN109849147 A CN 109849147A CN 201811342713 A CN201811342713 A CN 201811342713A CN 109849147 A CN109849147 A CN 109849147A
- Authority
- CN
- China
- Prior art keywords
- mdf
- tannin
- linker
- medium density
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses one kind based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, belongs to based Wood Adhesives application field.According to mass parts meter, each group distribution ratio is as follows: 10~200 parts of soybean meal powder, 30~400 parts of composite modified glue, and 1~50 part of tannin based cross-linker.Specifically the preparation method is as follows: firstly, composite modified glue and tannin based cross-linker being sequentially added in wood fibre, stir evenly and dried；Secondly, bean cake powder is added after mixing evenly, according to discharge, mat formation, slab is made in the process of precompressed, hot-forming；Finally, medium density fibre board (MDF) is made through postprocessing working procedures such as cooling, sanding, cutting edges.Preparation process of the present invention is simple, and raw material is cheap and easy to get, strong operability, tannin based cross-linker, which is added, can be improved the reactivity of dregs of beans adhesive, can be improved the stability and reactivity of dregs of beans glue medium density fibre board (MDF) performance, environmentally protective, formaldehydeless equal toxic gases release, good mechanical performance.
Description
Technical field
The present invention relates to based Wood Adhesives application fields, more particularly to one kind is based in tannin based cross-linker modified bean pulp glue
Density fiber board and preparation method thereof has preparation process simple, and raw material is cheap and easy to get, reactivity height, strong operability, green
Colour circle is protected, the excellent advantage of physical and mechanical property.
Background technique
Medium density fibre board (MDF) (abbreviation MDF) is using wood fiber or other plant fiber as raw material, is chipped, boiling, is ground
Mill, drying, sizing, re-dry, again through the processes such as hot pressing, 500~880kgm of density range-3, thickness is generally 5~30 millimeters
A kind of artificial board.With the rapid development of economy, medium density fibre board (MDF) industry development is rapid, need of the people to wood-based product
Ask increasing, ratio of the medium density fibre board (MDF) in wood-based plate is also increasing.Medium density fibre board (MDF), which is widely used mainly in, to be built
It builds, Furniture manufacture, indoor and outdoor decoration etc..Fibre board use adhesive is mainly based on urea-formaldehyde resin adhesive at present, in life
It produces and not environmentally, generates the gas that formaldehyde etc. is harmful to the human body in use process, therefore, in a kind of environmental type of developmental research
Density fiber panel products, with market potential value and the developing direction in market future.
Tannin and dregs of beans are as common biomass resource, abundance, at low cost, renewable, safety and environmental protection.Bean cake powder
It is mainly derived from soybean and squeezes the by-product after grease, containing 40%~50% soybean protein, containing more in protein molecular
The active group that kind may modify；Tannin is formed by the different flavonoids monomer of condensation degree, can be with protein, polysaccharide, enzyme, metal
The polyphenol compound that ion etc. reacts, molecule contain there are many hydroxyl group is removed, with what is associated with protein hydrophobic
Roomy area, reactivity are high.Therefore, tannin based cross-linker is prepared using the high response of tannin molecule, passes through modified soybean
Dregs of beans prepares a kind of biomass adhesive with high activity, is used to prepare the middle density that quality is high, performance is good, environmentally friendly with this
Fiberboard has important research meaning.
Summary of the invention
The technical issues of solution: this technology breaks through the problems such as traditional adhesive and woodwork potential Form aldehyde release, utilizes beans
Dregs of rice adhesive prepares the environment-friendlymedium-density medium-density fiberboard of formaldehydeless addition and release；It is low for biomass adhesive activity, it uses
Problem at high cost caused by special curing agent, the invention proposes one kind based on density in tannin based cross-linker modified bean pulp glue
Fiberboard and preparation method thereof prepares modified crosslinking agent with more active bio matter resources, improves adhesive activity, density in preparation
The performance of fiberboard reduces medium density fibre board (MDF) cost, improves its feature of environmental protection.
Technical solution: one kind is special based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof
Sign is each component meter, matches as follows:
Soybean meal powder: 10~200 parts
Composite modified glue: 30~400 parts
Tannin based cross-linker: 1~50 part
The first step sequentially adds composite modified glue and tannin based cross-linker in wood fibre, stirs evenly and dries
To appropriated moisture；
Bean cake powder is added after mixing evenly in second step, according to discharge, mat formation, slab is made in the process of precompressed, be hot pressed into
Type；
Medium density fibre board (MDF) is made through postprocessing working procedures such as cooling, sanding, cutting edges in third step.
It is described a kind of based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is characterised in that
The wood fibre is Eucalyptus Fibers, aspen fibers by using silicon, pine cellulosic, and the one or more of chestnut fiber, mesh number is 100~800,
Length is 0.5~5mm.
It is described a kind of based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is characterised in that
The soybean meal powder be swelling soya dreg, curing dregs of beans, fermented bean dregs, soybean separation protein white powder, one leaching dregs of beans, two leaching dregs of beans,
At least one of defatted soybean meal powder etc..
It is described a kind of based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is characterised in that
The composite modified glue is by hydrochloric acid, phosphoric acid, sulfurous acid, citric acid, sodium hydroxide, sodium citrate, sodium carbonate, ethyl alcohol, ring
In the compounds such as oxygen chloropropane, sodium polyphosphate, p-methyl benzenesulfonic acid, urea, hexamethylene, polyethers, amides, polyamide-based
Any one is several.
It is described a kind of based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is characterised in that
The tannin based cross-linker is by tannin, sodium hydroxide, sodium sulfite, hexamethylenetetramine, dicyandiamide, acrylamide, isocyanide
At least one of esters of gallic acid etc..
It is described a kind of based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is characterised in that
The pH value of the composite modified glue is 2.0~10.0, and solid content is 5.0%~30.0%.
It is described a kind of based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is characterised in that
The tannin based cross-linker is laboratory self-control, and pH is 4.0~11.0, and solid content is 10.0%~40.0%.
It is described a kind of based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is characterised in that
The moisture content of fiber is 3.0%~20.0% after the drying.
It is described a kind of based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is characterised in that
The heat pressing process is as follows: 3.0~9.0MPa, 2~30s of pressure maintaining are boosted in 10~30s；It is depressurized to 0.6 in 5~15s~
3.0MPa, 30~200s of pressure maintaining；1.5~5.5MPa, 20~200s of pressure maintaining are boosted in 5~25s；0.5 is depressurized in 5~15s
~2.5MPa；10~60s is depressurized to 0MPa.
The utility model has the advantages that
1. the present invention is prepared for a kind of based on tannin based cross-linker modified bean pulp glue medium density fiber using tannin and dregs of beans
Plate improves the stability of dregs of beans glue medium density fibre board (MDF), reduces the cost of dregs of beans glue medium density fibre board (MDF),.
2. it is proposed by the present invention a kind of based on tannin base modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is efficiently sharp
With living resources, the formaldehydeless addition of the medium density fibre board (MDF) of preparation and release and preparation process is simple, environmental protection with higher
Performance is easy to industrialize.
Specific embodiment
Following embodiment be prepared according to same heat pressing process medium density fibre board (MDF) further illustrate the contents of the present invention, but
It should not be construed as only technique or limitation of the present invention of the invention.Without departing from the spirit and substance of the case in the present invention,
To modifications or substitutions made by the method for the present invention, step or condition, category the scope of the present invention.
Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Wood fibre used is technical grade in embodiment, is provided by Guangxi Feng Lin wood-based plate Co., Ltd, without physics, is changed
It learns, biological means processing.
Soybean meal powder used in embodiment is technical grade, is provided by Henan De Lin biological products Co., Ltd, this is big
Beans bean cake powder is obtained after carrying out ball mill grinding by normal meal, does not carry out the hands such as biofermentation, extruding, curing, chemical modification
Section processing.
Composite modified glue used in embodiment, tannin based cross-linker are self-control, pass through physics and chemical synthesis hand
Section obtains.
Embodiment 1:
Wood fibre is poured into mixing plant and is stirred continuously by the first step, and the composite modified glue of 160g is added and 11g is mono-
Peaceful based cross-linker, composite modified glue and tannin based cross-linker quality and the 12.5% of wood fibre quality is accounted for, lasting stirring is simultaneously
It is dry, 96g bean cake powder is added, stirs evenly discharging；
Second step, by the mixed material stirred evenly uniform spreading to mold frame, pre-molding；
The vulcanizing press that the molding slab of second step is put into 200 DEG C is carried out hot pressing by third step, and heat pressing process is first
6.4MPa, pressure maintaining 10s are boosted in 10s；1.4MPa, pressure maintaining 120s are depressurized in 8s；2.5MPa, pressure maintaining are boosted in 5s
127s；1.0MPa is depressurized in 8s；32s is depressurized to 0MPa.After hot pressing, through cooling, cut, sanding and etc. be made in it is close
Fiberboard is spent, fibreboard performance is detected according to national standards.
2~embodiment of embodiment 10 according in embodiment 1 preparation method and step operated, sizing match when hot pressing
Temperature, moisture content data see attached list 1.
The testing result of embodiment 1- embodiment 10 sees attached list 2.
Subordinate list 1:
Subordinate list 2:
Claims (9)
1. one kind is based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof, it is characterised in that each component
In parts by mass, it matches as follows:
Soybean meal powder: 10~200 parts
Composite modified glue: 30~400 parts
Tannin based cross-linker: 1~50 part
The first step sequentially adds composite modified glue and tannin based cross-linker in wood fibre, stirs evenly and dries to suitable
Suitable moisture content；
Bean cake powder is added after mixing evenly in second step, according to discharge, mat formation, slab is made in the process of precompressed, hot-forming；
Medium density fibre board (MDF) is made through postprocessing working procedures such as cooling, sanding, cutting edges in third step.
2. a kind of as described in claim 1 be based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof,
It is characterized in that the wood fibre is Eucalyptus Fibers, aspen fibers by using silicon, pine cellulosic, the one or more of chestnut fiber, mesh number
It is 100~800, length is 0.5~5mm.
3. a kind of as described in claim 1 be based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof,
It is characterized in that the soybean meal powder be swelling soya dreg, curing dregs of beans, fermented bean dregs, soybean separation protein white powder, one leaching dregs of beans,
At least one of two leaching dregs of beans, defatted soybean meal powder etc..
4. a kind of as described in claim 1 be based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof,
It is characterized in that the composite modified glue is by hydrochloric acid, phosphoric acid, sulfurous acid, citric acid, sodium hydroxide, sodium citrate, carbonic acid
Sodium, ethyl alcohol, epoxychloropropane, sodium polyphosphate, p-methyl benzenesulfonic acid, urea, hexamethylene, polyethers, amides, polyamide-based etc.
In compound any one or it is several.
5. a kind of as described in claim 1 be based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof,
It is characterized in that the tannin based cross-linker is by tannin, sodium hydroxide, sodium sulfite, hexamethylenetetramine, dicyandiamide, propylene
At least one of amide, isocyanates etc..
6. a kind of as described in claim 1 be based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof,
It is characterized in that the pH value of the composite modified glue is 2.0~10.0, solid content is 5.0%~30.0%.
7. a kind of as described in claim 1 be based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof,
It is characterized in that the tannin based cross-linker be laboratory self-control, pH be 4.0~11.0, solid content be 10.0%~
40.0%.
8. a kind of as described in claim 1 be based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof,
It is characterized in that the moisture content of fiber is 3.0%~20.0% after the drying.
9. a kind of as described in claim 1 be based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof,
It is characterized in that the heat pressing process is as follows: boosting to 3.0~9.0MPa, 2~30s of pressure maintaining in 10~30s；Decompression in 5~15s
To 0.6~3.0MPa, 30~200s of pressure maintaining；1.5~5.5MPa, 20~200s of pressure maintaining are boosted in 5~25s；Drop in 5~15s
It is depressed into 0.5~2.5MPa；10~60s is depressurized to 0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811342713.0A CN109849147A (en) | 2018-11-09 | 2018-11-09 | One kind is based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811342713.0A CN109849147A (en) | 2018-11-09 | 2018-11-09 | One kind is based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109849147A true CN109849147A (en) | 2019-06-07 |
Family
ID=66890037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811342713.0A Pending CN109849147A (en) | 2018-11-09 | 2018-11-09 | One kind is based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109849147A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800746A (en) * | 2022-05-13 | 2022-07-29 | 淮阴师范学院 | Method for preparing fiberboard by using coriolus versicolor |
-
2018
- 2018-11-09 CN CN201811342713.0A patent/CN109849147A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800746A (en) * | 2022-05-13 | 2022-07-29 | 淮阴师范学院 | Method for preparing fiberboard by using coriolus versicolor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102179856B (en) | High-intensity shaving board and manufacturing method thereof | |
| CN105034088B (en) | A kind of net aldehyde antibacterial ecological board and preparation method thereof | |
| CN105082302A (en) | Manufacturing method of high-strength chipboard | |
| CN101138856A (en) | Technique for producing medium density fiberboard by using modified bulrush | |
| CN101564864A (en) | Protein-radical biogum fiberboard and the manufacturing method thereof | |
| CN103433993A (en) | Production method of damp-proof ceiling decorative sheet | |
| CN103087672A (en) | Soybean meal-based adhesive and preparation method thereof | |
| CN102179857A (en) | High-strength fiberboard and manufacturing method thereof | |
| CN102259368A (en) | Full-biomass enhanced fibreboard | |
| CN107779165A (en) | A kind of no aldehyde biomass adhesive and its manufacture applied to formaldehyde-less fiber board | |
| CN109370512A (en) | A kind of glued board walnut cake protein adhesive and preparation method thereof | |
| CN106313267A (en) | Straw recombination laminated wood and preparation method thereof | |
| CN102225569B (en) | High-strength inorganic artificial board and manufacturing method thereof | |
| CN109849147A (en) | One kind is based on tannin based cross-linker modified bean pulp glue medium density fibre board (MDF) and preparation method thereof | |
| CN102501288A (en) | Method for preparing environment-friendly urea-formaldehyde resin adhesive particle plate of corn straw skins | |
| CN107033832B (en) | Formaldehyde-free composite adhesive for artificial board and preparation method thereof | |
| CN108656300A (en) | A kind of Chinese Kenaf Core Buffer green ecological plank and preparation method thereof | |
| CN1155674C (en) | Application of tea leaf powder as filler of urea-formaldehyde resin as wood adhesive and formaldehyde-trapping agent | |
| CN102672783A (en) | Dry method for producing bamboo shaving board by laccase treatment and shaving board prepared by method | |
| CN104789153B (en) | High water resistance Lauxite filler and preparation method thereof | |
| CN103906607B (en) | A kind of method of utilizing palm living beings producd fibers plate | |
| CN110480784A (en) | A kind of preparation process of zero formaldehyde log particle board | |
| CN104029269B (en) | Hickory nut epicarp modification is for the manufacture of the method for bamboo shaving plate | |
| CN103205230A (en) | Preparation method for preparing biomass adhesive by utilizing alfalfa meal | |
| CN1857887A (en) | Production process of crab grass-stalk medium and high density fiber board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190607 |