CN105082299A - Method for manufacturing ecological fiberboard - Google Patents
Method for manufacturing ecological fiberboard Download PDFInfo
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- CN105082299A CN105082299A CN201510415981.0A CN201510415981A CN105082299A CN 105082299 A CN105082299 A CN 105082299A CN 201510415981 A CN201510415981 A CN 201510415981A CN 105082299 A CN105082299 A CN 105082299A
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- formaldehyde
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Abstract
The invention discloses a method for manufacturing an ecological fiberboard. A working procedure for applying urea-formaldehyde resin adhesives includes the steps that the urea-formaldehyde resin adhesives and aldehyde removing agents are evenly mixed in the mass ratio of 100 to 5.1-10, and then conventional gluing is carried out according to the fiberboard, wherein the urea-formaldehyde resin is synthesized high-molar-ratio urea-formaldehyde resin with the formaldehyde/urea molar ratio of 1.5 to 2.0, the aldehyde removing agents are powdery active carbon with the size of 60 meshes to 120 meshes and the formaldehyde degradation agent content of 15% to 25%, and formaldehyde degradation agents are a mixture formed by evenly mixing titanium ethoxide, palladium acetate, manganese acetate and cobalt oxalate in the mass ratio of 100 to 0.5-1 to 15-35 to 3-9; and then the ecological fiberboard is manufactured according to fiber drying, laying, prepressing, hot-pressing, aging, polishing and edge cutting technological parameters of the conventional fiberboard. The method for manufacturing the ecological fiberboard is easy to achieve, convenient to operate and low in production cost.
Description
Technical field
The present invention relates to a kind of fiberboard preparation method, specifically, relate to a kind of ecological fiber plate preparation method.
Background technology
Artificial forest, adopt artificial seeding, to plant or the forest cultivated is built in the Method and Technology measure such as cuttage, it is the main raw material(s) woods of world's forest chemical, particularly China, Brazil, South Africa, India etc. plant artificial forest in a large number, wherein China artificial forest has reached 5,325 ten thousand hectares, rank first in the world, only eucalyptus plantation area reaches 1,700,000 ha
2, Poplar Plantation area reaches more than 700 ten thousand ha
2, formed south " eucalyptus " north " poplar " Plantation Community.Artificial forest trunk is logical straight, and beautiful texture, biomass is high, can be widely used in the field such as composite wooden material, pulping and paper-making.Wherein prosthetic Form aldehyde release fiber composite advanced material, green technology for making paper are the Disciplinary Frontiers that artificial forest wood intensive processing is studied, and need wood cell wall to combine, its critical process efficiently combines between wood cell wall, forms enough bond strengths again.But prior art mainly adopts the resins such as urea aldehyde, phenolic aldehyde to realize wood cell bonding, harmful substances such as the easy release formaldehyde of product, free phenol and cause indoor environment severe contamination, causes the major diseases such as leukaemia.
Wherein realize between wood cell wall efficiently combining, be the focus of Wood Science man research, wherein large scale timber often adopts tenon to combine and interference fit stress, realizes timber firmly mechanical bond always again.But efficient combination is again the key that wood composite is processed between small scale wood particulate.As far back as 105 years Christian eras, Cai Lun invented papermaking technology, had started combination technology application again between fibrocyte.After phenolic resins and Lauxite invention, wet laid fiber bonding technique once occupied the principal status of public economy, but there is a large amount of waste water and residue pollution; By technology upgrading improvement, dry method woody debris bonding technique is with environmental protection, the advantage such as efficient, and instead of rapidly wet laid fiber gummed, to the end of the year 2011, global dry-process fiberboard output will reach about 100,000,000 m
3, particieboard output.But adopt resin-bonding to carry out in dry-process fiberboard and particieboard production and products thereof use procedure, create the pollutants such as a large amount of formaldehyde, free phenol, the ring that people in serious threat occupies safety and life and health.In order to eliminate the negative effect of the resinoid bonds such as urea aldehyde, some scholars successively make use of the approach that the multiple means discussion such as physics, chemistry, biology realize wood cell wall Binderless binding both at home and abroad.But current wood cell wall Binderless binding still also exists the defects such as bond strength deficiency, operation are loaded down with trivial details, inefficiency, cause fiberboard, particieboard do not applied by technical scale in conjunction with process technology without hydroformylation again.Our current research shows, the bonding capacity of half fiber or lignin is only relied on to be difficult to realize wood cell wall high strength Binderless binding, and combine the binder course that can impel and form high strength between wood cell wall again, but, wooden efficient bonding behavior characteristic sum be it be unclear that in conjunction with essence, constrain the commercial application of the biological composite wood manufacturing technology of wooden advanced person.
In order to overcome this phenomenon, inventor lasts more than 20 year, costly, multianalysis " composite fiber plate " (application number: 02111211.8), " at continuous seepage particieboard, the method of compacting and pressing and hardening cushions in the process of the composite wood boards such as fiberboard " (application number: 03104109.4), 01811365.6) " reduce the content of formaldehyde of particieboard and the method for burst size of methanal " (application number: on the basis of nearly 400 patents of invention such as, present invention applicant's original innovation fiberboard, the fiber particle of particieboard is dry, prepared by adhesive, applying glue three operations, prepare the biological composite wood of wooden advanced person, technical support is provided for improving artificial forest wood added value and increasing farmers' income.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of ecological fiber plate preparation method being easy to realize, easy to operate, production cost is low.
In order to solve the problems of the technologies described above, the ecological fiber plate preparation method that the present invention adopts, comprise fiberboard fabrication process parameters and urea-formaldehyde resin adhesive applying glue operation, described urea-formaldehyde resin adhesive applying glue operation is: according to mass ratio m
lauxite: m
inhale aldehyde agent=100:5.1 ~ 10, mix urea-formaldehyde resin adhesive with formaldehyde elimination agent, then carry out conventional applying glue according to fiberboard; Wherein Lauxite refers to that the mol ratio of formaldehyde/urea is the high molar ratio Lauxite of 1.5 ~ 2.0 synthesis; Formaldehyde elimination agent is the powdered active carbon that 60 ~ 120 objects contain 15% ~ 25% Degradation Formaldehyde agent, and Degradation Formaldehyde agent is according to mass ratio m
tetraethyl titanate: m
palladium: m
manganese acetate: m
cobalt oxalate=100:0.5 ~ 1:15 ~ 35:3 ~ 9, carry out the mixture of Homogeneous phase mixing by tetraethyl titanate, palladium, manganese acetate and cobalt oxalate; Then conveniently fiberboard fiber drying, mat formation, precompressed, hot pressing, display, sanding and edge cutting technology parameter, complete the manufacture of ecological fiber plate.
Adopt the ecological fiber plate preparation method of technique scheme, conventional fibre plate fabrication process parameters, only change urea-formaldehyde resin adhesive applying glue operation simultaneously and just can produce ecological fiber plate, be easy to realize, easy to operate, production cost is low, provides technical support for improving artificial forest wood added value and increasing farmers' income, orchard worker's income can be increased, significant to building a harmonious society.This invention can produce significant economic and social profit, has good promotional value.
In sum, the present invention is a kind of ecological fiber plate preparation method being easy to realize, easy to operate, production cost is low.
Detailed description of the invention
Can be expressly understood the present invention further by specific embodiments of the invention given below, but following embodiment is not limitation of the invention.
Embodiment 1:
1, an ecological fiber plate preparation method, adopts conventional fibre plate fabrication process parameters, and only change urea-formaldehyde resin adhesive applying glue operation simultaneously and just can produce ecological fiber plate, urea-formaldehyde resin adhesive applying glue operation is: according to mass ratio m
lauxite: m
inhale aldehyde agent=100:5.1, mixes urea-formaldehyde resin adhesive with formaldehyde elimination agent, then carries out conventional applying glue according to fiberboard; Wherein Lauxite refers to that the mol ratio of formaldehyde/urea is the high molar ratio Lauxite of 1.5 synthesis; Formaldehyde elimination agent is the powdered active carbon that 60 objects contain 15% Degradation Formaldehyde agent, and Degradation Formaldehyde agent is according to mass ratio m
tetraethyl titanate: m
palladium: m
manganese acetate: m
cobalt oxalate=100:1:35:9, carries out the mixture of Homogeneous phase mixing by tetraethyl titanate, palladium, manganese acetate and cobalt oxalate.Then conveniently fiberboard fiber drying, mat formation, precompressed, hot pressing, display, sanding and edge cutting technology parameter, complete the manufacture of ecological fiber plate.
Embodiment 2:
1, an ecological fiber plate preparation method, adopts conventional fibre plate fabrication process parameters, only changes urea-formaldehyde resin adhesive applying glue operation simultaneously and just can produce ecological fiber plate.Described urea-formaldehyde resin adhesive applying glue operation is: according to mass ratio m
lauxite: m
inhale aldehyde agent=100:6.5, mixes urea-formaldehyde resin adhesive with formaldehyde elimination agent, then carries out conventional applying glue according to fiberboard; Wherein Lauxite refers to that the mol ratio of formaldehyde/urea is the high molar ratio Lauxite of 1.65 synthesis; Formaldehyde elimination agent is the powdered active carbon that 80 objects contain 18% Degradation Formaldehyde agent, and Degradation Formaldehyde agent is according to mass ratio m
tetraethyl titanate: m
palladium: m
manganese acetate: m
cobalt oxalate=100:0.5:20:3, carries out the mixture of Homogeneous phase mixing by tetraethyl titanate, palladium, manganese acetate and cobalt oxalate.Then conveniently fiberboard fiber drying, mat formation, precompressed, hot pressing, display, sanding and edge cutting technology parameter, complete the manufacture of ecological fiber plate.
Embodiment 3:
1, an ecological fiber plate preparation method, adopts conventional fibre plate fabrication process parameters, only changes urea-formaldehyde resin adhesive applying glue operation simultaneously and just can produce ecological fiber plate.Described urea-formaldehyde resin adhesive applying glue operation is: according to mass ratio m
lauxite: m
inhale aldehyde agent=100:8, mixes urea-formaldehyde resin adhesive with formaldehyde elimination agent, then carries out conventional applying glue according to fiberboard; Wherein Lauxite refers to that the mol ratio of formaldehyde/urea is the high molar ratio Lauxite of 1.8 synthesis; Formaldehyde elimination agent is the powdered active carbon that 100 objects contain 22% Degradation Formaldehyde agent, and Degradation Formaldehyde agent is according to mass ratio m
tetraethyl titanate: m
palladium: m
manganese acetate: m
cobalt oxalate=100:0.65:15:5, carries out the mixture of Homogeneous phase mixing by tetraethyl titanate, palladium, manganese acetate and cobalt oxalate.Then conveniently fiberboard fiber drying, mat formation, precompressed, hot pressing, display, sanding and edge cutting technology parameter, complete the manufacture of ecological fiber plate.
Embodiment 4:
1, an ecological fiber plate preparation method, adopts conventional fibre plate fabrication process parameters, only changes urea-formaldehyde resin adhesive applying glue operation simultaneously and just can produce ecological fiber plate.Described urea-formaldehyde resin adhesive applying glue operation is: according to mass ratio m
lauxite: m
inhale aldehyde agent=100:10, mixes urea-formaldehyde resin adhesive with formaldehyde elimination agent, then carries out conventional applying glue according to fiberboard; Wherein Lauxite refers to that the mol ratio of formaldehyde/urea is the high molar ratio Lauxite of 2.0 synthesis; Formaldehyde elimination agent is the powdered active carbon that 120 objects contain 25% Degradation Formaldehyde agent, and Degradation Formaldehyde agent is according to mass ratio m
tetraethyl titanate: m
palladium: m
manganese acetate: m
cobalt oxalate=100:0.8:30:7, carries out the mixture of Homogeneous phase mixing by tetraethyl titanate, palladium, manganese acetate and cobalt oxalate.Then conveniently fiberboard fiber drying, mat formation, precompressed, hot pressing, display, sanding and edge cutting technology parameter, complete the manufacture of ecological fiber plate.
Claims (1)
1. an ecological fiber plate preparation method, comprises fiberboard fabrication process parameters and urea-formaldehyde resin adhesive applying glue operation, it is characterized in that: described urea-formaldehyde resin adhesive applying glue operation is: according to mass ratio m
lauxite: m
inhale aldehyde agent=100:5.1 ~ 10, mix urea-formaldehyde resin adhesive with formaldehyde elimination agent, then carry out conventional applying glue according to fiberboard; Wherein Lauxite refers to that the mol ratio of formaldehyde/urea is the high molar ratio Lauxite of 1.5 ~ 2.0 synthesis; Formaldehyde elimination agent is the powdered active carbon that 60 ~ 120 objects contain 15% ~ 25% Degradation Formaldehyde agent, and Degradation Formaldehyde agent is according to mass ratio m
tetraethyl titanate: m
palladium: m
manganese acetate: m
cobalt oxalate=100:0.5 ~ 1:15 ~ 35:3 ~ 9, carry out the mixture of Homogeneous phase mixing by tetraethyl titanate, palladium, manganese acetate and cobalt oxalate; Then conveniently fiberboard fiber drying, mat formation, precompressed, hot pressing, display, sanding and edge cutting technology parameter, complete the manufacture of ecological fiber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415981.0A CN105082299A (en) | 2015-07-15 | 2015-07-15 | Method for manufacturing ecological fiberboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415981.0A CN105082299A (en) | 2015-07-15 | 2015-07-15 | Method for manufacturing ecological fiberboard |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182314A (en) * | 2016-07-18 | 2016-12-07 | 中南林业科技大学 | A kind of ultra-low formaldehyde release Vitex chinensis Mill. household material preparation method |
| CN107363962A (en) * | 2016-05-12 | 2017-11-21 | 中国林业科学研究院木材工业研究所 | One kind is without aldehyde environment protection pressed-fibre board and its manufacture method |
| CN107520931A (en) * | 2017-09-21 | 2017-12-29 | 北京林业大学 | One kind covering exposed soil ecological fiber plate and preparation method thereof |
| CN109514658A (en) * | 2018-10-23 | 2019-03-26 | 南京林业大学 | Inhale aldehyde type solid wooden compound floor plywood substrate and preparation method thereof |
-
2015
- 2015-07-15 CN CN201510415981.0A patent/CN105082299A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363962A (en) * | 2016-05-12 | 2017-11-21 | 中国林业科学研究院木材工业研究所 | One kind is without aldehyde environment protection pressed-fibre board and its manufacture method |
| CN106182314A (en) * | 2016-07-18 | 2016-12-07 | 中南林业科技大学 | A kind of ultra-low formaldehyde release Vitex chinensis Mill. household material preparation method |
| CN107520931A (en) * | 2017-09-21 | 2017-12-29 | 北京林业大学 | One kind covering exposed soil ecological fiber plate and preparation method thereof |
| CN107520931B (en) * | 2017-09-21 | 2020-02-21 | 北京林业大学 | Ecological fiberboard for covering bare soil and preparation method thereof |
| CN109514658A (en) * | 2018-10-23 | 2019-03-26 | 南京林业大学 | Inhale aldehyde type solid wooden compound floor plywood substrate and preparation method thereof |
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Application publication date: 20151125 |
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