CN103740306A - Preparation method of wood preservation adhesive - Google Patents
Preparation method of wood preservation adhesive Download PDFInfo
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- CN103740306A CN103740306A CN201310744539.3A CN201310744539A CN103740306A CN 103740306 A CN103740306 A CN 103740306A CN 201310744539 A CN201310744539 A CN 201310744539A CN 103740306 A CN103740306 A CN 103740306A
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- adhesive
- sizing agent
- phenolic resin
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Abstract
The invention discloses a preparation method of a wood preservation adhesive. The preparation method comprises the following steps: (1) heating a phenolic resin adhesive to 45-65 DEG C, adding a sodium hydroxide solution, adjusting the PH value to 7.2-7.8, then, adding China wood oil and epoxy resin, reacting for 20-30min, and then, cooling to the room temperature to obtain a crude liquid of the adhesive, wherein the addition amount of the China wood oil is 3-9% of that of the phenolic resin adhesive, and the addition amount of the epoxy resin is 1-3% of that of the phenolic resin adhesive; (2) uniformly mixing the crude liquid of the adhesive and methyl copper according to the mass ratio of 100: (0.5-1.5), evaporating a solvent at the room temperature and the pressure of 0.03-0.09MPa, and then, smashing into adhesive powder with the mesh number of 40-80. The preparation method of the wood preservation adhesive is easy to realize, convenient to operate and low in production cost.
Description
Technical field
The present invention relates to a kind of wood preservation sizing agent preparation method, specifically, relate to a kind of method of utilizing phenolic resin adhesive to prepare wood preservation sizing agent.
Background technology
Resol is the general designation that phenols and aldehydes form resin under catalyst action.It is the industrialization synthesized polymer material of (1910, German Bakelite) the earliest.In the time in a nearly century, be used to many industrial fields, be still now important synthesized polymer material.In wood processing field, resol is to use one of main glue kind widely, and its consumption is only second to urea-formaldehyde resin.Especially there is special meaning producing resol aspect water-fast, weathering resistance woodwork.
Synvaren has good heat resistance, bonding strength is high, ageing-resistant performance good and electrical insulating property is good, and the inexpensive feature such as easy-to-use, has therefore obtained application comparatively widely.
Phenolic resin adhesive polarity is large, bonding force is strong; Rigidity is large, thermotolerance is high; Ageing resistance is good; Water-fast, oil resistant, resistant to chemical media, resistance to mould; Itself is easy to modification, also can carry out modification to other tackiness agent.
But phenolic resin adhesive color is dark, have certain fragility, easily be full of cracks, particularly water soluble phenol resin set time is long compared with urea-formaldehyde resin, solidification value is high, Veneer moisture is required strict.
In order to overcome this phenomenon, more than 30 years consuming time of contriver, in thousands of experimental basis, multianalysis < < phenol resin composition > > (application number: 01802336.3), < < organic ester hardening alkaline phenolic resin and preparation method thereof > > (application number: 01127451.4), 02139389.3) etc. < < aqua-solution method is prepared the method > > (application number: on the basis of 867 patents of invention of linear bisphenol A phenolic resin, the present patent application people innovates wood preservation sizing agent, for improving phenolic resin adhesive performance, provide technical support.
Summary of the invention
Technical problem to be solved by this invention is to provide and is a kind ofly easy to realize, the preparation method of the wood preservation sizing agent that easy to operate, production cost is low.
In order to solve the problems of the technologies described above, the preparation method of the wood preservation sizing agent that the present invention adopts, by following steps, formed: (1) is warming up to 45 ℃～65 ℃ by phenolic resin adhesive, add sodium hydroxide solution its pH value is adjusted to 7.2～7.8, add again tung oil and epoxy resin, reaction 20min～30min, then be cooled to room temperature, obtain the thick liquid of sizing agent, wherein tung oil add-on is phenolic resin adhesive 3%～9%, epoxy resin add-on is 1%～3% of phenolic resin adhesive, and (2) are according to mass ratio m
the thick liquid of sizing agent: m
methyl copper=100:0.5～1.5, evenly mix thick sizing agent liquid and methyl copper, under room temperature, pressure 0.03MPa～0.09MPa, solvent evaporates is complete, and then are crushed to 40 order～80 order rubber powders.Wherein the mass percent concentration of sodium hydroxide solution is 0.4%～0.6%.
Adopt the preparation method of the wood preservation sizing agent of technique scheme, be easy to realize, easy to operate, production cost is low, adopt tung oil further to improve resol antiseptic property, adopt epoxy resin further to improve resol gummed intensity, thereby improve phenolic resin adhesive performance, significant to building a harmonious society.This invention can produce significant economic and social profit, has good promotional value.
The present invention be a kind ofly easy to realize, the preparation method of the wood preservation sizing agent that easy to operate, production cost is low.
Embodiment
By specific embodiments of the invention given below, can further be expressly understood the present invention, but following embodiment is not limitation of the invention.
Embodiment 1:
The preparation method of wood preservation sizing agent, by following steps, formed: (1) is warming up to 45 ℃ by phenolic resin adhesive, add sodium hydroxide solution its pH value is adjusted to 7.2, add tung oil and epoxy resin, reaction 30min, is then cooled to room temperature again, obtain the thick liquid of sizing agent, wherein tung oil add-on is phenolic resin adhesive 3%, and epoxy resin add-on is phenolic resin adhesive 3%, and the mass percent concentration of sodium hydroxide solution is 0.4%; (2) according to mass ratio m
the thick liquid of sizing agent: m
methyl copper=100:0.5, evenly mixes thick sizing agent liquid and methyl copper, under room temperature, pressure 0.03MPa, solvent evaporates is complete, and then is crushed to 40 order rubber powders, obtains wood preservation sizing agent, and wherein methyl copper purity is greater than 98%.
Embodiment 2:
The preparation method of wood preservation sizing agent, by following steps, formed: (1) is warming up to 50 ℃ by phenolic resin adhesive, add sodium hydroxide solution its pH value is adjusted to 7.4, add tung oil and epoxy resin, reaction 28, is then cooled to room temperature again, obtain the thick liquid of sizing agent, wherein tung oil add-on is phenolic resin adhesive 5%, and epoxy resin add-on is phenolic resin adhesive 2%, and the mass percent concentration of sodium hydroxide solution is 0.5%; (2) according to mass ratio m
the thick liquid of sizing agent: m
methyl copper=100:0.8, evenly mixes thick sizing agent liquid and methyl copper, under room temperature, pressure 0.05MPa, solvent evaporates is complete, and then is crushed to 60 order rubber powders, obtains wood preservation sizing agent, and wherein methyl copper purity is greater than 98%.
Embodiment 3:
The preparation method of wood preservation sizing agent, by following steps, formed: (1) is warming up to 55 ℃ by phenolic resin adhesive, add sodium hydroxide solution its pH value is adjusted to 7.6, add tung oil and epoxy resin, reaction 25, is then cooled to room temperature again, obtain the thick liquid of sizing agent, wherein tung oil add-on is phenolic resin adhesive 7%, and epoxy resin add-on is phenolic resin adhesive 2%, and the mass percent concentration of sodium hydroxide solution is 0.5%; (2) according to mass ratio m
the thick liquid of sizing agent: m
methyl copper=100:1.0, evenly mixes thick sizing agent liquid and methyl copper, under room temperature, pressure 0.07MPa, solvent evaporates is complete, and then is crushed to 50 order rubber powders, obtains wood preservation sizing agent, and wherein methyl copper purity is greater than 98%.
Embodiment 4:
The preparation method of wood preservation sizing agent, by following steps, formed: (1) is warming up to 65 ℃ by phenolic resin adhesive, add sodium hydroxide solution its pH value is adjusted to 7.8, add tung oil and epoxy resin, reaction 20min, is then cooled to room temperature again, obtain the thick liquid of sizing agent, wherein tung oil add-on is phenolic resin adhesive 9%, and epoxy resin add-on is phenolic resin adhesive 1%, and the mass percent concentration of sodium hydroxide solution is 0.6%; (2) according to mass ratio m
the thick liquid of sizing agent: m
methyl copper=100:1.5, evenly mixes thick sizing agent liquid and methyl copper, under room temperature, pressure 0.09MPa, solvent evaporates is complete, and then is crushed to 80 order rubber powders, obtains wood preservation sizing agent, and wherein methyl copper purity is greater than 99%.
Claims (1)
1. the preparation method of a wood preservation sizing agent, it is characterized in that: by following steps, formed: (1) is warming up to 45 ℃～65 ℃ by phenolic resin adhesive, add sodium hydroxide solution its pH value is adjusted to 7.2～7.8, add again tung oil and epoxy resin, reaction 20min～30min, then be cooled to room temperature, obtain the thick liquid of sizing agent, wherein tung oil add-on is phenolic resin adhesive 3%～9%, epoxy resin add-on is 1%～3% of phenolic resin adhesive, and (2) are according to mass ratio m
the thick liquid of sizing agent: m
methyl copper=100:0.5～1.5, evenly mix thick sizing agent liquid and methyl copper, under room temperature, pressure 0.03MPa～0.09MPa, solvent evaporates is complete, and then are crushed to 40 order～80 order rubber powders.Wherein the mass percent concentration of sodium hydroxide solution is 0.4%～0.6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744539.3A CN103740306B (en) | 2013-12-30 | 2013-12-30 | Preparation method of wood preservation adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310744539.3A CN103740306B (en) | 2013-12-30 | 2013-12-30 | Preparation method of wood preservation adhesive |
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| Publication Number | Publication Date |
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| CN103740306A true CN103740306A (en) | 2014-04-23 |
| CN103740306B CN103740306B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310744539.3A Active CN103740306B (en) | 2013-12-30 | 2013-12-30 | Preparation method of wood preservation adhesive |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904526A (en) * | 2016-06-28 | 2016-08-31 | 南京林业大学 | Manufacturing method of high-corrosion-resistance reconstructing material for outdoor use |
| CN106928888A (en) * | 2017-03-21 | 2017-07-07 | 郭宝龙 | The preparation method of environment-friendly type wood preservation adhesive |
| CN107033819A (en) * | 2017-03-21 | 2017-08-11 | 温州任和教育科技有限责任公司 | The preparation method of timber preservative dry powder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05287253A (en) * | 1992-04-06 | 1993-11-02 | Mitsui Toatsu Chem Inc | Suppression of formation of free formaldehyde from adhesive composition |
| JPH06184510A (en) * | 1992-12-16 | 1994-07-05 | Mitsui Toatsu Chem Inc | Adhesive composition |
| CN1260373A (en) * | 1999-01-08 | 2000-07-19 | 周兴国 | Preparation method for anti-soaking/leaking heat-insulated solidified-binding gum |
| CN102732200A (en) * | 2012-07-13 | 2012-10-17 | 中物院成都科学技术发展中心 | Vegetable oil-based adhesive, composite plywood and method for manufacturing composite plywood |
-
2013
- 2013-12-30 CN CN201310744539.3A patent/CN103740306B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05287253A (en) * | 1992-04-06 | 1993-11-02 | Mitsui Toatsu Chem Inc | Suppression of formation of free formaldehyde from adhesive composition |
| JPH06184510A (en) * | 1992-12-16 | 1994-07-05 | Mitsui Toatsu Chem Inc | Adhesive composition |
| CN1260373A (en) * | 1999-01-08 | 2000-07-19 | 周兴国 | Preparation method for anti-soaking/leaking heat-insulated solidified-binding gum |
| CN102732200A (en) * | 2012-07-13 | 2012-10-17 | 中物院成都科学技术发展中心 | Vegetable oil-based adhesive, composite plywood and method for manufacturing composite plywood |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904526A (en) * | 2016-06-28 | 2016-08-31 | 南京林业大学 | Manufacturing method of high-corrosion-resistance reconstructing material for outdoor use |
| CN106928888A (en) * | 2017-03-21 | 2017-07-07 | 郭宝龙 | The preparation method of environment-friendly type wood preservation adhesive |
| CN107033819A (en) * | 2017-03-21 | 2017-08-11 | 温州任和教育科技有限责任公司 | The preparation method of timber preservative dry powder |
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| Publication number | Publication date |
|---|---|
| CN103740306B (en) | 2015-04-08 |
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