CN101899266A - Method for preparing odor-free waterproof white glue - Google Patents
Method for preparing odor-free waterproof white glue Download PDFInfo
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- CN101899266A CN101899266A CN2010102383734A CN201010238373A CN101899266A CN 101899266 A CN101899266 A CN 101899266A CN 2010102383734 A CN2010102383734 A CN 2010102383734A CN 201010238373 A CN201010238373 A CN 201010238373A CN 101899266 A CN101899266 A CN 101899266A
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Abstract
The invention relates to a method for preparing an adhesive, in particular to a method for preparing odor-free waterproof white glue which is low in odor and high in water resistance and has excellent properties. The method comprises the following steps of: 1, weighing reaction materials; 2, preparing aqueous solution; 3, adding silica sol into aqueous solution of polyvinyl alcohol; 4, after reaction, adding aqueous solution of ethylene glycol and aqueous solution of glycerin into a mixture prepared by the step 3; 5, cooling the mixed solution to room temperature, and adding aqueous solution of polyacrylamide, aqueous solution of sodium benzoate, aqueous solution of ground calcium carbonate, aqueous solution of white titanium pigments and tributyl phosphate while stirring; and 6, adjusting a pH value of the mixed solution to 8.0 to 9.0 by alkali materials, and filtering the mixed solution to obtain the odor-free waterproof white glue. The odor-free waterproof white glue has the advantages of low odor, high water resistance, excellent property, high bonding strength and wide material source and does not contain any toxic and harmful matters.
Description
Technical field
The present invention relates to a kind of preparation method of sizing agent, particularly a kind ofly have that smell is low, a preparation method of the odor-free waterproof white glue of water-tolerant, excellent property.
Background technology
At present domestic market timber, sheet material, bamboo wood roughly have following severally with glue, and polyvinyl acetate emulsion, the agent of Precondensed UreaFormaldehyde Resin gluing, phenolic resin adhesive and formaldehyde polyvinyl acetal stick agent, more than these several sizing agent characteristics as follows.
Polyvinyl acetate emulsion: it is to form the oyster white colloid by polyvinyl alcohol and vinyl acetate between to for plastic catalysis, emulsification, high temperature polymerization, is characterized in:
(1) poor water resistance, especially not anti-boiling water;
(2) easily moisture absorption, wet environment easily comes unglued, and is not durable, at the coastland especially severe;
(3) poor heat resistance, the glue-line tool thermoplasticity after the curing, softening temperature (40-80 ℃), along with temperature raises, intensity sharply descends;
(4) pungent taste is big, and environment and human body are worked the mischief;
(5) frost resistance is poor.Freeze below-5 ℃, emulsion is damaged.
The agent of Precondensed UreaFormaldehyde Resin gluing: it is the translucent thickness colloid that is formed by polyvinyl alcohol and formaldehyde, urea seeding, high temperature polymerization, is characterized in:
(1) contain free formaldehyde in the resin, distribute formaldehyde during use, pungent taste is big, and environment and human body are worked the mischief;
(2) initial bonding strength is little;
(3) glue-line fragility is bigger, and shrinking percentage is big during curing, easily produces internal stress in the solidification process, easily chaps;
Phenolic resin adhesive: it is the resol glue that is obtained by phenol and formaldehyde high temperature polyreaction, is characterized in:
(1) fragility is big, and stripping strength is low;
(2) need the High Temperature High Pressure long period to solidify, shrinking percentage is bigger;
(3) glue contains free-phenol and formaldehyde.Poisonous, smell is bigger during curing;
(4) the glue-line color is darker, also can deepen in time;
Formaldehyde polyvinyl acetal sticks agent: it be by polyvinyl alcohol water solution and formaldehyde solution at the resulting thickness colloid of an acidic catalyst polymerization, be characterized in:
(1) solid content is low, and time of drying is slow;
(2) contain free formaldehyde, distribute formaldehyde in the use, pungent taste is big, and environment and human body are worked the mischief.
Summary of the invention
The preparation method that the technical problem to be solved in the present invention provides a kind of bonding strength height, quick solidifying, has ultra-low-smell, makes is simple, excellent property, raw material sources extensively and not contain the odor-free waterproof white glue of any hazardous and noxious substances.
The technical scheme that the present invention takes is, a kind of preparation method of odor-free waterproof white glue, and it comprises the steps:
(1) takes by weighing following each material: 1～10 part of tackifier polyvinyl alcohol, 5～20 parts of silicon sol, 0.1～3 part of antifreeze glycol, 1～3 part of softening agent glycerol, 0.01～0.1 part of rheology thickening material polyacrylamide, 0.05～1 part of antimildew disinfectant Sodium Benzoate, 1～10 part of toughener water-ground limestone, 0.1～0.5 part of whitening agent titanium dioxide and 0.02 part of defoamer tributyl phosphate;
(2) get above-mentioned polyvinyl alcohol, ethylene glycol, glycerol, polyacrylamide, Sodium Benzoate, water-ground limestone and titanium dioxide are mixed with mass percent concentration and are 20～40% aqueous glycol solution, mass percent concentration is 20～40% glycerin solution, mass percent concentration is 3～10% polyacrylamide solution, mass percent concentration is 20～40% the Sodium Benzoate aqueous solution, mass percent concentration is 40～60% the water-ground limestone aqueous solution, mass percent concentration is that 40～60% the titanium dioxide aqueous solution and mass percent concentration are 1～30% polyvinyl alcohol water solution;
(3) be 63～70 ℃ in temperature, under the agitation condition, it is that temperature is reduced to 50～60 ℃ in 1～30% the polyvinyl alcohol water solution that silicon sol is joined above-mentioned mass percent concentration, keeps 15～30min;
(4) being under 45～50 ℃ of conditions in temperature, is that 20～40% aqueous glycol solution and mass percent concentration are that 20～40% glycerin solution joins in the mixture that above-mentioned steps (3) makes with mass percent concentration, keeps 50～70min;
(5) temperature is reduced to room temperature, under agitation condition, be that 3～10% polyacrylamide solution, mass percent concentration are that 20～40% the Sodium Benzoate aqueous solution, mass percent concentration are that 40～60% the water-ground limestone aqueous solution, mass percent concentration are that 40～60% the titanium dioxide aqueous solution and tributyl phosphate join in the mixture that step (4) makes with mass percent concentration;
(6) regulating the pH value with alkaline matter is 8.0～9.0, filter described odor-free waterproof white glue.
The beneficial effect that the present invention has is: the odor-free waterproof white glue of manufacturing of the present invention can be applied in the various types of wood-based plates of preparation, as glued board, core-board, oriented wood chipboard, shaving board, medium density fibre board (MDF), high density fiberboard, face artificial board and hardboard etc., the present invention can also be in order to various timber, bamboo wood bonding, also can be used for the bonding of furniture; Bonding strength height, the quick solidifying of odor-free waterproof white glue of the present invention, have ultra-low-smell, make simple, excellent property, raw material sources extensively and not contain any hazardous and noxious substances, its every index all is better than the agent of Precondensed UreaFormaldehyde Resin gluing, phenolic resin adhesive, formaldehyde polyvinyl acetal sticks agent, and be far superior to polyvinyl acetate emulsion and polyvinyl alcohol timber glue, the present invention does not contain any aldehydes, phenols and organic volatile, is a kind of environmentally friendly sizing agent.
Embodiment
Embodiment 1
The preparation method of odor-free waterproof white glue of the present invention, it comprises the steps that (1) takes by weighing following each material: 10 parts of tackifier polyvinyl alcohol, 20 parts of silicon sol, 2 parts of antifreeze glycols, 2 parts of softening agent glycerol, 0.1 part of rheology thickening material polyacrylamide, 0.5 part of whitening agent titanium dioxide, 0.5 part of antimildew disinfectant Sodium Benzoate, 5 parts of toughener water-ground limestones, 0.05 part of oxidation inhibitor tartrate and 0.02 part of defoamer tributyl phosphate; (2) obtained aqueous solution, get above-mentioned ethylene glycol, glycerol, polyacrylamide, Sodium Benzoate, water-ground limestone and titanium dioxide, be mixed with mass percent concentration and be 33% aqueous glycol solution, mass percent concentration and be 33% glycerin solution, mass percent concentration and be 5% polyacrylamide solution, mass percent concentration and be 59% the titanium dioxide aqueous solution, mass percent concentration and be 33% the Sodium Benzoate aqueous solution, mass percent concentration and be 59% the water-ground limestone aqueous solution and mass percent concentration and be 30% polyvinyl alcohol water solution; (3) be 75 ℃ in temperature, 55r/min stirs down, slowly throws in the tackifier polyvinyl alcohol in filling the container of water, and elevated temperature to 92 ℃ all dissolves the tackifier polyvinyl alcohol, makes mass percent concentration and be 30% polyvinyl alcohol water solution; Then described polyvinyl alcohol water solution is reduced to 65 ℃, under 100r/min stirs, silicon sol is joined in the above-mentioned polyvinyl alcohol water solution, remain on 50 ℃ 30 minutes, make its abundant polymerization; (4) after polymerization was finished, cooling was 45～50 ℃ of conditions, was that 33.3% aqueous glycol solution and mass percent concentration are that 33.3% glycerin solution joins in the mixture that above-mentioned steps (3) makes with mass percent concentration, kept 60min; (5) reducing to room temperature, is that 5% polyacrylamide solution, mass percent concentration are that 59% the titanium dioxide aqueous solution, mass percent concentration are that 33% the Sodium Benzoate aqueous solution, mass percent concentration are that 59% the water-ground limestone aqueous solution, oxidation inhibitor tartrate and defoamer tributyl phosphate join in the mixture that above-mentioned steps (4) makes lentamente with mass percent concentration under 100r/min stirs; (6) regulating the pH value with alkaline matter sodium hydroxide is 8.5, filter odor-free waterproof white glue of the present invention.
Embodiment 2
The preparation method of odor-free waterproof white glue of the present invention, it comprises the steps that (1) takes by weighing following each material: 1 part of tackifier polyvinyl alcohol, 10 parts of silicon sol, 3 parts of antifreeze glycols, 1 part of softening agent glycerol, 0.05 part of rheology thickening material polyacrylamide, 0.3 part of whitening agent titanium dioxide, 1 part of antimildew disinfectant Sodium Benzoate, 10 parts of toughener water-ground limestones, 0.01 part of oxidation inhibitor tartrate and 0.02 part of defoamer tributyl phosphate; (2) obtained aqueous solution, get above-mentioned ethylene glycol, glycerol, polyacrylamide, Sodium Benzoate, water-ground limestone and titanium dioxide, be mixed with mass percent concentration and be 40% aqueous glycol solution, mass percent concentration and be 20% glycerin solution, mass percent concentration and be 3% polyacrylamide solution, mass percent concentration and be 60% the titanium dioxide aqueous solution, mass percent concentration and be 20% the Sodium Benzoate aqueous solution, mass percent concentration and be 40% the water-ground limestone aqueous solution, mass percent concentration is 1% polyvinyl alcohol water solution; (3) be 80 ℃ in temperature, 50r/min stirs down, slowly throws in the tackifier polyvinyl alcohol in filling the container of water, and elevated temperature to 90 ℃ all dissolves the tackifier polyvinyl alcohol, makes mass percent concentration and be 1% polyvinyl alcohol water solution; Then described polyvinyl alcohol water solution is reduced to 63 ℃, under 100～130r/min stirs, silicon sol is joined in the above-mentioned polyvinyl alcohol water solution, remain on 50 ℃ 30 minutes, make its abundant polymerization; (4) after polymerization was finished, cooling was under 45～50 ℃ of conditions in temperature, dripped mass percent concentration and was 40% aqueous glycol solution and mass percent concentration and be in the mixture that 20% glycerin solution makes to above-mentioned steps (3), maintenance 50min; (5) reducing to room temperature, is that 3% polyacrylamide solution, mass percent concentration are that 60% the titanium dioxide aqueous solution, mass percent concentration are that 20% the Sodium Benzoate aqueous solution, mass percent concentration are that 40% the water-ground limestone aqueous solution, oxidation inhibitor tartrate and defoamer tributyl phosphate join in the mixture that above-mentioned steps (4) makes lentamente with mass percent concentration under 80r/min stirs; (6) regulating the pH value with alkaline matter potassium hydroxide is 8.0, filter odor-free waterproof white glue of the present invention.
Embodiment 3
The preparation method of odor-free waterproof white glue of the present invention, it comprises the steps that (1) takes by weighing following each material: 5 parts of tackifier polyvinyl alcohol, 5 parts of silicon sol, 0.1 part of antifreeze glycol, 3 parts of antimildew disinfectant softening agent glycerol, 0.01 part of rheology thickening material polyacrylamide, 0.1 part of whitening agent titanium dioxide, 0.05 part of antimildew disinfectant Sodium Benzoate, 1 part of toughener water-ground limestone, 0.08 part of oxidation inhibitor tartrate and 0.02 part of defoamer tributyl phosphate; (2) obtained aqueous solution, get above-mentioned ethylene glycol, glycerol, polyacrylamide, Sodium Benzoate, water-ground limestone and titanium dioxide, be mixed with mass percent concentration and be 20% aqueous glycol solution, mass percent concentration and be 40% glycerin solution, mass percent concentration and be 10% polyacrylamide solution, mass percent concentration and be 40% the titanium dioxide aqueous solution, mass percent concentration and be 40% the Sodium Benzoate aqueous solution, mass percent concentration and be 60% the water-ground limestone aqueous solution, mass percent concentration and be 10% polyvinyl alcohol water solution; (3) be 70 ℃ in temperature, 60r/min stirs down, slowly throws in the tackifier polyvinyl alcohol in filling the container of water, and elevated temperature to 95 ℃ all dissolves the tackifier polyvinyl alcohol, makes mass percent concentration and be 10% polyvinyl alcohol water solution; Then described polyvinyl alcohol water solution is reduced to 70 ℃, under 100～130r/min stirs, lentamente silicon sol is joined in the above-mentioned polyvinyl alcohol water solution, remain on 60 ℃ 20 minutes, make its abundant polymerization; (4) after polymerization was finished, cooling was under 45～50 ℃ of conditions in temperature, dripped mass percent concentration and was 20% aqueous glycol solution and mass percent concentration and be in the mixture that 40% glycerin solution makes to above-mentioned steps (3), maintenance 70min; (5) reducing to room temperature, is that 10% polyacrylamide solution, mass percent concentration are that 40% the titanium dioxide aqueous solution, mass percent concentration are that 40% the Sodium Benzoate aqueous solution, mass percent concentration are that 60% the water-ground limestone aqueous solution, oxidation inhibitor tartrate and defoamer tributyl phosphate add in the mixture that above-mentioned steps (4) makes lentamente with mass percent concentration under 90r/min stirs; (6) regulating the pH value with alkaline matter yellow soda ash is 9.0, filter odor-free waterproof white glue of the present invention.
How many polyvinyl alcohol used in the present invention, silicon sol, polyacrylamide, glycerol materials determine bonding strength, water-ground limestone can increase and decrease according to the requirement of doing different wood-based plate bonding strengths, Sodium Benzoate can increase and decrease according to climate change, tributyl phosphate is according to rare thick can the increase and decrease of product, the indoor glue of tartrate can not add, and outdoor use glue must add.For effect of the present invention is described, following table is listed the performance comparison table of the present invention with respect to other sizing agents,
As above shown in the table, the present invention does not contain Toxic matter benzene, phenol, aldehyde or VOC (volatile organic compounds), it is a kind of environmentally friendly sizing agent, the present invention is at cementability, the water tolerance aspect obviously is better than other sizing agents, aspect water tolerance and synvaren similar, be better than other sizing agent, this explanation the present invention is good at aspect of performance, machine presses temperature to be meant when producing wood-based plate in order to improve turnout, behind gluing, sticky object is passed through the thermocompressor pressure boost, increasing temperature to sticky object again accelerates to solidify, the machine pressure time is to show sticky object to increase the temperature quickening solidified time, machine presses temperature and machine to press the time short more, and the production time is short more, and cost is low more.
Claims (3)
1. the preparation method of an odor-free waterproof white glue is characterized in that it comprises the steps:
(1) takes by weighing following each material: 1～10 part of tackifier polyvinyl alcohol, 5～20 parts of silicon sol, 0.1～3 part of antifreeze glycol, 1～3 part of softening agent glycerol, 0.01～0.1 part of rheology thickening material polyacrylamide, 0.05～1 part of antimildew disinfectant Sodium Benzoate, 1～10 part of toughener water-ground limestone, 0.1～0.5 part of whitening agent titanium dioxide and 0.02 part of defoamer tributyl phosphate;
(2) get above-mentioned polyvinyl alcohol, ethylene glycol, glycerol, polyacrylamide, Sodium Benzoate, water-ground limestone and titanium dioxide are mixed with mass percent concentration and are 20～40% aqueous glycol solution, mass percent concentration is 20～40% glycerin solution, mass percent concentration is 3～10% polyacrylamide solution, mass percent concentration is 20～40% the Sodium Benzoate aqueous solution, mass percent concentration is 40～60% the water-ground limestone aqueous solution, mass percent concentration is that 40～60% the titanium dioxide aqueous solution and mass percent concentration are 1～30% polyvinyl alcohol water solution;
(3) be 63～70 ℃ in temperature, under the agitation condition, it is that temperature is reduced to 50～60 ℃ in 1～30% the polyvinyl alcohol water solution that silicon sol is joined above-mentioned mass percent concentration, keeps 15～30min;
(4) being under 45～50 ℃ of conditions in temperature, is that 20～40% aqueous glycol solution and mass percent concentration are that 20～40% glycerin solution joins in the mixture that above-mentioned steps (3) makes with mass percent concentration, keeps 50～70min;
(5) temperature is reduced to room temperature, under agitation condition, be that 3～10% polyacrylamide solution, mass percent concentration are that 20～40% the Sodium Benzoate aqueous solution, mass percent concentration are that 40～60% the water-ground limestone aqueous solution, mass percent concentration are that 40～60% the titanium dioxide aqueous solution and tributyl phosphate join in the mixture that step (4) makes with mass percent concentration;
(6) regulating the pH value with alkaline matter is 8.0～9.0, filter described odor-free waterproof white glue.
2. odor-free waterproof white glue according to claim 1 is characterized in that after above-mentioned steps (5) is finished, and before step (6) is carried out, adds 0.01～0.08 part of oxidation inhibitor tartrate under room temperature, agitation condition.
3. odor-free waterproof white glue according to claim 1 and 2 is characterized in that described alkaline matter is sodium hydroxide, potassium hydroxide, yellow soda ash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102383734A CN101899266A (en) | 2010-07-28 | 2010-07-28 | Method for preparing odor-free waterproof white glue |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102383734A CN101899266A (en) | 2010-07-28 | 2010-07-28 | Method for preparing odor-free waterproof white glue |
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| CN101899266A true CN101899266A (en) | 2010-12-01 |
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| CN2010102383734A Pending CN101899266A (en) | 2010-07-28 | 2010-07-28 | Method for preparing odor-free waterproof white glue |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173130A (en) * | 2013-03-23 | 2013-06-26 | 广东新展化工新材料有限公司 | Modified organic silicon sealant for building and preparation method thereof |
| CN105086883A (en) * | 2015-09-29 | 2015-11-25 | 黄尤 | Environment-friendly polyvinyl alcohol adhesive for wood |
| CN105565699A (en) * | 2015-12-24 | 2016-05-11 | 何宣志 | Construction glue |
| CN114106740A (en) * | 2021-12-10 | 2022-03-01 | 石家庄正旭环保建材有限公司 | Green and environment-friendly T-series novel water-based special glue and preparation method thereof |
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| CN87101094A (en) * | 1987-08-10 | 1988-02-24 | 戚昌民 | The high molecular resin binder that binding paper box is used |
| CN1080308A (en) * | 1992-06-17 | 1994-01-05 | 韩立泉 | Anti-coagulating high-strength adhesive and preparation method thereof |
| CN1730591A (en) * | 2005-08-11 | 2006-02-08 | 忻健存 | Novel environment protective adhesives free of formaldehyde and its manufacturing process |
| CN1912041A (en) * | 2006-08-23 | 2007-02-14 | 河北北方绿野居住环境发展有限公司 | Environmental protection type adhesion agent for wood industry |
| CN101629058A (en) * | 2009-08-25 | 2010-01-20 | 江阴市北国新型建筑材料厂 | Solid rubber powder for man-made boards |
-
2010
- 2010-07-28 CN CN2010102383734A patent/CN101899266A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101094A (en) * | 1987-08-10 | 1988-02-24 | 戚昌民 | The high molecular resin binder that binding paper box is used |
| CN1080308A (en) * | 1992-06-17 | 1994-01-05 | 韩立泉 | Anti-coagulating high-strength adhesive and preparation method thereof |
| CN1730591A (en) * | 2005-08-11 | 2006-02-08 | 忻健存 | Novel environment protective adhesives free of formaldehyde and its manufacturing process |
| CN1912041A (en) * | 2006-08-23 | 2007-02-14 | 河北北方绿野居住环境发展有限公司 | Environmental protection type adhesion agent for wood industry |
| CN101629058A (en) * | 2009-08-25 | 2010-01-20 | 江阴市北国新型建筑材料厂 | Solid rubber powder for man-made boards |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173130A (en) * | 2013-03-23 | 2013-06-26 | 广东新展化工新材料有限公司 | Modified organic silicon sealant for building and preparation method thereof |
| CN105086883A (en) * | 2015-09-29 | 2015-11-25 | 黄尤 | Environment-friendly polyvinyl alcohol adhesive for wood |
| CN105565699A (en) * | 2015-12-24 | 2016-05-11 | 何宣志 | Construction glue |
| CN114106740A (en) * | 2021-12-10 | 2022-03-01 | 石家庄正旭环保建材有限公司 | Green and environment-friendly T-series novel water-based special glue and preparation method thereof |
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Application publication date: 20101201 |