CN101402833B - Adhesion agent for artificial board and method of producing the same - Google Patents
Adhesion agent for artificial board and method of producing the same Download PDFInfo
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- CN101402833B CN101402833B CN200810181549XA CN200810181549A CN101402833B CN 101402833 B CN101402833 B CN 101402833B CN 200810181549X A CN200810181549X A CN 200810181549XA CN 200810181549 A CN200810181549 A CN 200810181549A CN 101402833 B CN101402833 B CN 101402833B
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- enzyme
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- acid
- chitosan
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Abstract
The invention relates to an adhesive used for an artificial board and a preparation method thereof. The invention is characterized in that the artificial board consists of water, acid, chitosan, phenol and enzyme; the detail steps of the preparation technique are as follows: 70 to 100 portions of water, 0.01 to 6 portions of acid and 0.01 to 12 portions of flexible components are added into a stainless steel kettle; the temperature is between 10 and 80 DEG C; a stirring machine is started for uniformly mixing at a speed of 400r/min; 0.01 to 45 portions of phenol are added for stirring; the pHis adjusted to be 3 to 8; 1 to 10 portions of enzyme is added for continuously stirring; enzyme treatment time is between 0.1 minute and 48 hours; after the viscidity of the adhesive is 4 cups for 20to 100 seconds, stirring is stopped; and then an opening is sealed for storage. The adhesive used for the artificial board does not contain formaldehyde, has no poison and smells during the production and use processes, does not release harmless gases, is safe and environmental friendly; the used chitosan is natural product which can be decomposed and recycled; in the invention, biocatalysis and biological transformation technologies are applied to wood industry; and bio-enzyme catalytic polymerization is adopted for preparing the adhesive and can be carried out under normal temperature and pressure.
Description
Technical field
The present invention relates to a kind of adhesion agent for artificial board and manufacture method thereof.
Background technology
Along with the mankind to improving constantly that environment-friendly quality requires, free formaldehyde discharges pollution problem and more and more comes into one's own in the wood-based plate.As everyone knows, because Wood-based Panel Production such as fiberboard, medium density fibre board (MDF) (MDF), shaving board all need to use diaion tackiness agent such as urea-formaldehyde resin, resol, melamine tree formaldehyde resin etc., these tackiness agent, urea-formaldehyde resin particularly, its laminated product in use has free formaldehyde and discharges, contaminate environment and being detrimental to health.In the high-concentration formaldehyde environment, people can feel expiratory dyspnea, and eyes are ached and shed tears, and place oneself in the midst of for a long time in the high-concentration formaldehyde environment, can make people's immunity degradation, and organ functions such as the heart, lung, liver can be subjected to grievous injury.Show that according to the State Administration of Forestry's statistical information China's wood-based plate ultimate production was 2930.18 ten thousand m in 2002
3, wherein fiberboard output is 767.42 ten thousand m
3(MDF695 ten thousand m
3), shaving board output is 3,690,000 m
3Wherein have the many underproof wood-based plates of quantity to come into the market, the annual case that all has the indoor decoration pollution that much causes because of underproof free formaldehyde in artificial plate to cause people's injury is reported in media, and has a strong impact on the people's life security and physical and mental health.
Solve the measure that artificial board formaldehyde discharges at present: the one, reduce the free formaldehyde content in the tackiness agent, the wood-based panel product of exploitation low burst size of methanal discharges but can not thoroughly eliminate formaldehyde; The 2nd, adopt non-formaldehyde series tackiness agent such as isocyanic ester, discharge problem though can solve formaldehyde, the health that toxicity before it is uncured and pungency still endanger the operator.
Summary of the invention
The purpose of this invention is to provide a kind of adhesion agent for artificial board;
Another object of the present invention provides a kind of manufacture method of adhesion agent for artificial board.
Adopt biological enzyme polymerization chitosan and phenols to produce adhesion agent for artificial board.This tackiness agent does not contain formaldehyde, the harm that does not exist free formaldehyde to discharge, and bonding strength is good.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
A kind of adhesion agent for artificial board is characterized in that: described adhesion agent for artificial board is made up of water, acid, chitosan, phenol, enzyme, and the weight ratio of described raw material is:
Water 70-98
Acid 0.01-6
Flexible composition 0.01-12
Phenol 0.01-45
Enzyme 1-10
A kind of manufacture method of adhesion agent for artificial board, it is characterized in that: described manufacturing process concrete steps are as follows: get the flexible composition of 70-98 part water, the acid of 0.01-6 part and 0.01-12 part and add in the stainless steel still, temperature 10C-80 ℃, the startup stirrer stirs with the speed of 400r/min, adding 0.01-45 part phenol stirs, adjusting pH is 3-8, adding 1-10 part enzyme continues to stir, the enzyme processing reaction time is 0.1 minute-48 hours, treat that tackiness agent viscosity is coated with 4 glasss of 20-100 during second, stop to stir, seal preservation.
The pH value of described solution is at 1-8.
The chitosan of described adding is 0.01 part-10 parts, and the phenol of adding is 0.01 part-35 parts.
Described flexible composition is chitosan, chitin, soybean protein, wheat protein; Described phenol is phenol, pyrocatechol, Resorcinol, Resorcinol, Phloroglucinol, tannin or vanillin food grade,1000.000000ine mesh, or a kind of in alkali lignin, sodium lignosulfonate or the ammonium lignin sulfonate; Described acid is acetate, hydrochloric acid, citric acid; Described enzyme is laccase, peroxidase, Tyrosinase, soybean protein enzyme, active every milliliter of 1-1000U enzyme unit alive of enzyme.
Continuous blowing air in the treating processes, or aerating oxygen improves the catalytic effect of enzyme.
The solid content of tackiness agent is 0.5%-80%.
The present invention compared with prior art has following advantage:
1,, do not exist free formaldehyde to discharge problem, compliance with environmental protection requirements because the present invention does not use formaldehyde as linking agent.
2, the flexible composition chitosan of tackiness agent is a kind of natural macromolecular material among the present invention, derives from biological crust such as shrimp, crab, is the accessory substance of marine fishery, and is renewable, degradable, reusable edible.
3, the rigidity composition phenols of tackiness agent among the present invention can derive from petroleum products, also can derive from natural phenolic such as tannin etc.
4, the present invention is applied to timber industry with biocatalysis and conversion technology.The biological enzyme polymerization is adopted in the preparation of tackiness agent, can carry out at normal temperatures and pressures.
Embodiment
Embodiment one,
A kind of method that adopts biological enzyme polymerization chitosan and phenols to produce adhesion agent for artificial board, the weight ratio of described raw material is:
Water 98
Acetate 1
Chitosan 2
Resorcinol 4
Laccase 5
The production technique of present embodiment is as follows:
1, get 98 parts of water, 1 part of acetate and 2 parts of chitosans and add in the stainless steel still, normal temperature and pressure starts the speed of stirrer about with 400r/min and stirs.
2, add 4 parts of Resorcinols and stir, regulating pH with sodium hydroxide is 5, adds 5 parts of laccases and continues to stir, and treats that tackiness agent viscosity was coated with 4 glasss 60 seconds the time, stops stirring, seals cryopreservation.
Embodiment two,
The weight ratio of raw material is:
70 parts in water, 0.05 part of hydrochloric acid, 2 parts of chitosans, 4 parts of Resorcinols, 5 parts of peroxidase.
The production technique of present embodiment such as embodiment one.
Embodiment three,
The weight ratio of raw material is:
75 parts in water, 1 part of acetate, 1 part of chitosan, 1 part of Resorcinol, 6 parts of Tyrosinases.
The production technique of present embodiment such as embodiment one.
Embodiment four,
The weight ratio of raw material is:
85 parts in water, 1 part of citric acid, 2 parts of chitosans, 4 parts of vanillin food grade,1000.000000ine meshs, 5 parts of laccases.
The production technique of present embodiment such as embodiment one.
Claims (5)
1. adhesion agent for artificial board, it is characterized in that: described adhesion agent for artificial board is made up of water, acid, chitosan, phenol, enzyme, and the weight ratio of described raw material is:
Water 70-98
Acid 0.01-6
Chitosan 0.01-12
Phenol 0.01-45
Enzyme 1-10
Described phenol is Resorcinol, Phloroglucinol, tannin or vanillin food grade,1000.000000ine mesh, and described acid is acetate, hydrochloric acid or citric acid; Described enzyme is laccase, peroxidase or tyrosine oxidase, active every milliliter of 1-1000U enzyme unit alive of enzyme.
2. make the method for the described a kind of adhesion agent for artificial board of claim 1, it is characterized in that: described manufacturing process concrete steps are as follows: get 70-98 part water, the acid of 0.01-6 part and 0.01-12 part chitosan and add in the stainless steel still, 10 ℃-80 ℃ of temperature, the startup stirrer stirs with the speed of 400r/min, adding 0.01-45 part phenol stirs, adjusting pH is 3-8, adding 1-10 part enzyme continues to stir, the enzyme processing reaction time is 0.1 minute-48 hours, treat that tackiness agent viscosity is coated with 4 glasss of 20-100 during second, stop to stir, seal preservation.
3. method according to claim 2 is characterized in that: the chitosan of adding is 0.01 part-10 parts, and the phenol of adding is 0.01 part-35 parts.
4. the manufacture method of a kind of adhesion agent for artificial board according to claim 2 is characterized in that: continuous blowing air in the treating processes, or the catalytic effect of aerating oxygen raising enzyme.
5. the manufacture method of a kind of adhesion agent for artificial board according to claim 2, it is characterized in that: the solid content of tackiness agent is 0.5%-80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810181549XA CN101402833B (en) | 2008-11-18 | 2008-11-18 | Adhesion agent for artificial board and method of producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810181549XA CN101402833B (en) | 2008-11-18 | 2008-11-18 | Adhesion agent for artificial board and method of producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101402833A CN101402833A (en) | 2009-04-08 |
| CN101402833B true CN101402833B (en) | 2011-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810181549XA Expired - Fee Related CN101402833B (en) | 2008-11-18 | 2008-11-18 | Adhesion agent for artificial board and method of producing the same |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL2531607T3 (en) | 2010-02-01 | 2015-05-29 | Fpinnovations | Fungal modified chitosan adhesives and wood composites made from the adhesives |
| FI124944B (en) * | 2011-04-08 | 2015-03-31 | Upm Kymmene Corp | A method of making a binder composition, a binder composition, an adhesive composition, a layered composite structure, and uses of the binder composition and the adhesive composition |
| CN102304334B (en) * | 2011-08-08 | 2012-11-21 | 北京林业大学 | Modified barbadosnut dreg adhesive and preparation method thereof |
| CN107419561B (en) * | 2017-07-26 | 2019-06-21 | 江南大学 | A kind of preparation method of albumen base weaving pigment printing binding agent |
| CN108950869A (en) * | 2018-09-29 | 2018-12-07 | 中原工学院 | A kind of Radix Isatidis Against HFRSV viral fiber spunlace non-woven wet tissue base fabric and preparation method thereof |
| CN110452635B (en) * | 2019-08-28 | 2020-12-22 | 贵州大学 | Environment-friendly tannin-chitosan-based adhesive |
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2008
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| CN101402833A (en) | 2009-04-08 |
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Granted publication date: 20110309 Termination date: 20191118 |