CN104974696A - Biomass environment-friendly water-based adhesive - Google Patents
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Abstract
The invention relates to a biomass environment-friendly water-based adhesive which is prepared by compounding multiple raw materials and comprises graft modified starch aqueous emulsion, biomass polyurethane aqueous emulsion, cellulose tackifying component and rosin aqueous emulsion. Each component of the water-based adhesive consists of a biomass material, and the environmental protection property is obvious; and the water-based adhesive can be applied to the bonding of plastic, paper and wood, has good initial viscosity and final bonding effect, avoids pollution and mildew, can realize long-time bonding without failure and can be widely applied to the field of package bonding.
Description
Technical field
The present invention relates to a kind of aqueous binder, particularly relate to a kind of environmental protection, be applicable in packing box mould-paper-wood-flannelette between the aqueous biological matter tackiness agent with excellent tack and bonding effect that bonds.
Background technology
At present, tamanori consumption is huge, relates to the every aspect of people's productive life, essential.Along with protection of the environment, the theory of treasuring resource are rooted in the hearts of the people day by day; the high solids content of sizing agent, solvent-free, the environmental friendliness factor such as water-based, photocuring and the power-saving technology such as low-temperature curing, castoff regenerative utilization are more and more paid attention to, and constantly strengthens up research and development.At flexible packaging industry, the mainly solventless adhesive that European and American developed countries' package compound uses in producing and Aqueous Adhesives.At present, it is solvent-based adhesive that the soft packaging of China more than 95% produces what adopt, uses at most, performance preferably solvent-type double-component adhesive for polyurethane.Because solvent-based adhesive has excellent flexibility, low temperature resistant and boiling resistance, ease for operation and adaptability widely, and the dry complex equipment of domestic Flexible-Packaging Industry is only applicable to solvent-based adhesive at present.In addition, Environment-friendlyadhesive adhesive also also has certain limitation at aspect of performance.Compared with solvent-based adhesive, Aqueous Adhesives has solvent-free release, environmental friendliness, nontoxic, non-combustible, use safety, low cost and other advantages, and solid content up to 50%-60%, can have the advantage that spread is few, cohesive strength is high.Aqueous polyurethane (PU) sizing agent, ACRYLIC EMULSION, EVA copolymer emulsion etc.Meanwhile, in adhesive field, the trend in the whole world adopts biological material preparation while of progressively realizing greenization, and namely a lot of biomass itself have extraordinary binding property, as starch, xylogen liquid, various colloids etc.Wherein, amylan has been widely used in various paperboard bonding field, but still there is certain problem in it, as easily gone mouldy, water-repellancy is poor, therefore multiple method of modifying is all used to the water-repellancy improving amylan, a kind of preparation method of the amylan for being coated with disclosed in ZL201310106644.4, grafting Dry Strength Resin and flexibility modifying agents is added in Sumstar 190, effectively raise its bond strength, a kind of Emulsion type wood starch adhesive and preparation method thereof disclosed in ZL2013106944337, inventor introduces hydrophobic branch chain under acidic conditions in starch, obtain high solids content, there is the amylan of better cohesive strength, but for plastics or leather substance, the viscosity of amylan still cannot reach requirement.
At flexible packaging industry, especially gift box packaging field, because involved material category is more, particularly relate to a large amount of paper-mould, the bonding of wood-cloth base material, except the requirement to final bonding effect, due to the needs of automatization or flowing water type technique, bond fast after needing gluing, especially packing box has more corner structure, its tension force causes the very sticky realization of wrapping material firmly just sticky, also glue is needed to have good water-repellancy and anti-mildew, current biomass environment-friendly glue product is used alone and cannot reaches automatization gluing and the fusible requirement of export requirement.So, in current packing box mucilage binding field, still adopt the significant yellow glue of binding property advantage or neoprene.As one can be developed, there is excellent tack and whole viscosity, and meet the biomass environment-friendly water-base cement of certain open hour, will huge market be had undoubtedly.
Summary of the invention
The object of the invention is the defect in order to overcome current biomass glue tack and whole viscosity difference, provide a kind of be applicable in packaging mould-paper-wood-flannelette between the aqueous biological matter environment-friendly adhesive with excellent tack and bonding effect that bonds.
The object of the invention is to be achieved through the following technical solutions:
A kind of biomass environment-friendly water-base cement, forms by plurality of raw materials is composite, comprises graft modified starch water miscible liquid, biomass polyurethane water miscible liquid, Mierocrystalline cellulose tackifying component, rosin emulsion.
The mass fraction ratio of each component is:
Graft modified starch water miscible liquid: 40-60 part
Biomass polyurethane water miscible liquid: 20-40 part
Mierocrystalline cellulose tackifying component: 0.5-1.5 part
Rosin emulsion 5-10 part
Further, the preparation process of described graft modified starch water miscible liquid is:
I: the oxidation of starch: preparation massfraction is the starch water miscible liquid of 40%, 100-150rmp adds the copper sulfate solution that quality is starch water miscible liquid 1.5% under stirring, the mass concentration of copper sulfate solution is 1%, after in system, add the aqueous sodium hydroxide solution adjust ph to 9.5 that mass concentration is 6%, slowly add the hydrogen peroxide of the 1.5-2.5% of water-starch quality of the emulsion afterwards, constant temperature 50 DEG C reaction 3h, after be 3% with mass concentration hydrochloric acid neutralizes pH value for 6.0-6.5, the mass concentration adding 1.5% of starch water miscible liquid quality is again the sodium sulfite aqueous solution termination reaction of 10%, finally by washing, dry, pulverize to obtain Sumstar 190 A,
II: starch silicone surface-modifying: Sumstar 190 A being scattered in quality is in the water of its 350%-500%, add the hydrochloric acid soln that mass concentration is 3%, its pH value is adjusted to 5, after system temperature being risen to 50 DEG C, dropwise add vinyl three ('beta '-methoxy oxyethyl group) silane monomer that quality is Sumstar 190 A quality 5-10%, and stir with the speed of 150-200rmp, isothermal reaction 2 hours, after be cooled to room temperature, add the anion surfactant of Sumstar 190 A quality 1%-3%, under room temperature, 100-150rmp stirs 30min, obtain silicone surface-modifying starch water miscible liquid II,
III: the graft modification of starch: the initiator potassium persulfate aqueous solution of configuration certain volume, the initiator potassium persulfate aqueous solution (mass concentration is 80g/L) of half quality is added in silicone surface-modifying starch water miscible liquid II, after 150rmp speed stirs 20 min, system is warming up to 60 DEG C, after add the Vinyl Acetate Monomer of half quality, anionic emulsifier and pH value buffer reagent, keep ph value of emulsion between 6-8, 150rmp stirs and makes system fully emulsified, after leaving standstill 20min, be warming up to 75 DEG C, add the remaining initiator potassium persulfate aqueous solution, and drip residue Vinyl Acetate Monomer, lh drips, 150rmp speed stirs 20min, leave standstill 30min, rear regulation system pH to 7, stopped reaction, product appearance is that oyster white sticks thick liquid, wherein, the quality of initiator potassium persulfate is the 1%-3% of monomer vinyl acetate quality, and the quality of monomer vinyl acetate is the 75%-120% of Sumstar 190 A quality, and the quality of anionic emulsifier is the 3%-6% of monomer vinyl acetate quality.
Further, the percentage of grafting of described graft modified starch is between 34%-52%.
Further, the solid content of described graft modified starch water miscible liquid is between 42%-55%.
Further, the preparation process of described biomass polyurethane water miscible liquid is:
(1) under nitrogen protection, alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate, catalyst dibutyltin dilaurylate are added in reaction vessel, at 60 DEG C of-70 DEG C of temperature, 120rpm-180rpm rotating speed stirring reaction 1.5 h-3h, obtains solution I;
The mol ratio of described alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate is 3.5:0.6-0.9:3.5-4.5, the consumption of described catalyst dibutyltin dilaurylate be alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate three weight and 0.05%-0.10%;
(2) in solution I, add dimethylolpropionic acid, acetone, at 70 DEG C of-80 DEG C of temperature, react 1.5 h-2.0h, obtain solution II;
The add-on of described dimethylolpropionic acid is the 3.2%-7.5% of solution I weight, and the add-on of acetone is the 2.5%-5.0% of solution I weight;
(3) solution III is cooled to 38 DEG C-42 DEG C, adds triethylamine reaction 0.5h-1.0h, obtain solution III;
Described in described triethylamine and step (2), the mol ratio of dimethylolpropionic acid is 0.2-0.35:1;
(4) at 30-35 DEG C of temperature, be scattered in by solution III in solution III weight 1-2 water doubly, 500rpm-600rpm rotating speed stirs 30min, obtains solution IV;
(5) by solution IV underpressure distillation, steam acetone, after add the sodium laurylsulfonate of alcoholysis Viscotrol C quality 3%-6%, stir 30min with 150-200rpm rotating speed, obtain biomass polyurethane water miscible liquid.
Further, the solid content of described biomass polyurethane water miscible liquid is between 30%-40%, and its emulsion particle diameter is between 50-200nm.
Further, described Mierocrystalline cellulose adhesion promoting component is the mixture of Natvosol and hydroxyethyl carboxymethyl cellulose, and hydroxyethyls whole in both and the mol ratio of carboxymethyl are between 4.5:1-7:1.Preferably, the mol ratio of hydroxyethyl and carboxymethyl is 5.5.
Further, a certain amount of solid Gum Rosin adds in boiling water by being prepared as of described rosin emulsion, and progressively adds tensio-active agent, stirs and forms emulsion.Wherein, the mass ratio of rosin and water is between 1:5-1:8, and the mass ratio of rosin and tensio-active agent is between 10:1-15:1.Tensio-active agent is anion surfactant, preferably, adopts sodium lauryl sulphate.
Embodiment
Below will describe illustrative embodiment of the present invention in detail.But these implementation methods are only exemplary object, and the present invention is not limited thereto.
Embodiment 1
A kind of biomass environment-friendly water-base cement, forms by plurality of raw materials is composite, comprises graft modified starch water miscible liquid, biomass polyurethane water miscible liquid, Mierocrystalline cellulose tackifying component, rosin emulsion.
The mass fraction ratio of each component is:
Graft modified starch water miscible liquid: 52 parts
Biomass polyurethane water miscible liquid: 34 parts
Mierocrystalline cellulose tackifying component: 0.75 part
Rosin emulsion: 6.5 parts
Further, the preparation process of described graft modified starch water miscible liquid is:
I: the oxidation of starch: preparation massfraction is the starch water miscible liquid of 40%, 120rmp adds the copper sulfate solution that quality is starch water miscible liquid 1.5% under stirring, the mass concentration of copper sulfate solution is 1%, after in system, add the aqueous sodium hydroxide solution adjust ph to 9.5 that mass concentration is 6%, slowly add the hydrogen peroxide of 2.5% of water-starch quality of the emulsion afterwards, constant temperature 50 DEG C reaction 3h, after be 3% with mass concentration hydrochloric acid neutralizes pH value for 6.0-6.5, the mass concentration adding 1.5% of starch water miscible liquid quality is again the sodium sulfite aqueous solution termination reaction of 10%, finally by washing, dry, pulverize to obtain Sumstar 190 A,
II: starch silicone surface-modifying: Sumstar 190 A being scattered in quality is in its water of 400%, add the hydrochloric acid soln that mass concentration is 3%, its pH value is adjusted to 5, after system temperature being risen to 50 DEG C, dropwise add vinyl three ('beta '-methoxy oxyethyl group) silane monomer that quality is Sumstar 190 A quality 8.5%, and stir with the speed of 180rmp, isothermal reaction 2 hours, after be cooled to room temperature, add the anion surfactant of Sumstar 190 A quality 1.5%, under room temperature, 120rmp stirs 30min, obtain silicone surface-modifying starch water miscible liquid II,
III: the graft modification of starch: the initiator potassium persulfate aqueous solution of configuration certain volume, the initiator potassium persulfate aqueous solution (mass concentration is 80g/L) of half quality is added in silicone surface-modifying starch water miscible liquid II, after 150rmp speed stirs 20 min, system is warming up to 60 DEG C, after add the Vinyl Acetate Monomer of half quality, anionic emulsifier and pH value buffer reagent, keep ph value of emulsion between 6-8, 150rmp stirs and makes system fully emulsified, after leaving standstill 20min, be warming up to 75 DEG C, add the remaining initiator potassium persulfate aqueous solution, and drip residue Vinyl Acetate Monomer, lh drips, 150rmp speed stirs 20min, leave standstill 30min, rear regulation system pH to 7, stopped reaction, product appearance is that oyster white sticks thick liquid, wherein, the quality of initiator potassium persulfate is 1.5% of monomer vinyl acetate quality, and the quality of monomer vinyl acetate is 105% of Sumstar 190 A quality, and the quality of anionic emulsifier is 4.5% of monomer vinyl acetate quality.
The percentage of grafting of described graft modified starch is 46%, and its solid content is 47%.
The preparation process of described biomass polyurethane water miscible liquid is:
(1) under nitrogen protection, add in reaction vessel by alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate, catalyst dibutyltin dilaurylate, at 65 DEG C, 150rpm rotating speed stirring reaction 2.5h, obtains solution I;
The mol ratio of described alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate is 3.5:0.74:3.8, the consumption of described catalyst dibutyltin dilaurylate be alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate three weight and 0.08%;
(2) in solution I, add dimethylolpropionic acid, acetone, at 75 DEG C of temperature, react 1.8h, obtain solution II;
The add-on of described dimethylolpropionic acid is 6.4% of solution I weight, and the add-on of acetone is 3.5% of solution I weight;
(3) solution III is cooled to 40 DEG C, adds triethylamine reaction 0.6h, obtain solution III;
Described in described triethylamine and step (2), the mol ratio of dimethylolpropionic acid is 0.25:1;
(4) at 35 DEG C, be scattered in by solution III in the water of solution III weight 1.5 times, 550rpm-rotating speed stirs 30min, obtains solution IV;
(5) by solution IV underpressure distillation, steam acetone, after add the sodium laurylsulfonate of alcoholysis Viscotrol C quality 4.5%, stir 30min with 180rpm rotating speed, obtain biomass polyurethane water miscible liquid.
The solid content of described biomass polyurethane water miscible liquid is 36%, and its emulsion particle diameter is between 50-200nm.
Described Mierocrystalline cellulose adhesion promoting component is the mixture of Natvosol and hydroxyethyl carboxymethyl cellulose, its mol ratio is 2.4:1, and wherein, in Natvosol, the substitution value of hydroxyethyl is 1.5, in hydroxyethyl carboxymethyl cellulose, the substitution value of hydroxyethyl is 1.2, and the substitution value of carboxymethyl is 0.9.
A certain amount of solid Gum Rosin adds in boiling water by being prepared as of described rosin emulsion, and progressively adds tensio-active agent, stirs and forms emulsion.Wherein, the mass ratio of rosin and water is between 1:6.5, and the mass ratio of rosin and tensio-active agent is between 12:1, and tensio-active agent is sodium lauryl sulphate.
Embodiment 2
A kind of biomass environment-friendly water-base cement, forms by plurality of raw materials is composite, comprises graft modified starch water miscible liquid, biomass polyurethane water miscible liquid, Mierocrystalline cellulose tackifying component, rosin emulsion.
The mass fraction ratio of each component is:
Graft modified starch water miscible liquid: 55 parts
Biomass polyurethane water miscible liquid: 32 parts
Mierocrystalline cellulose tackifying component: 0.7 part
Rosin emulsion: 8 parts
Further, the preparation process of described graft modified starch water miscible liquid is:
I: the oxidation of starch: preparation massfraction is the starch water miscible liquid of 40%, 120rmp adds the copper sulfate solution that quality is starch water miscible liquid 1.5% under stirring, the mass concentration of copper sulfate solution is 1%, after in system, add the aqueous sodium hydroxide solution adjust ph to 9.5 that mass concentration is 6%, slowly add the hydrogen peroxide of the 1.5-2.5% of water-starch quality of the emulsion afterwards, constant temperature 50 DEG C reaction 3h, after be 3% with mass concentration hydrochloric acid neutralizes pH value for 6.0-6.5, the mass concentration adding 1.5% of starch water miscible liquid quality is again the sodium sulfite aqueous solution termination reaction of 10%, finally by washing, dry, pulverize to obtain Sumstar 190 A,
II: starch silicone surface-modifying: Sumstar 190 A being scattered in quality is in the water of its 350%-500%, add the hydrochloric acid soln that mass concentration is 3%, its pH value is adjusted to 5, after system temperature being risen to 50 DEG C, dropwise add vinyl three ('beta '-methoxy oxyethyl group) silane monomer that quality is Sumstar 190 A quality 5-10%, and stir with the speed of 150-200rmp, isothermal reaction 2 hours, after be cooled to room temperature, add the anion surfactant of Sumstar 190 A quality 2.5%, under room temperature, 120rmp stirs 30min, obtain silicone surface-modifying starch water miscible liquid II,
III: the graft modification of starch: the initiator potassium persulfate aqueous solution of configuration certain volume, the initiator potassium persulfate aqueous solution (mass concentration is 80g/L) of half quality is added in silicone surface-modifying starch water miscible liquid II, after 150rmp speed stirs 20 min, system is warming up to 60 DEG C, after add the Vinyl Acetate Monomer of half quality, anionic emulsifier and pH value buffer reagent, ph value of emulsion is kept to be 7, 150rmp stirs and makes system fully emulsified, after leaving standstill 20min, be warming up to 75 DEG C, add the remaining initiator potassium persulfate aqueous solution, and drip residue Vinyl Acetate Monomer, lh drips, 150rmp speed stirs 20min, leave standstill 30min, rear regulation system pH to 7, stopped reaction, product appearance is that oyster white sticks thick liquid, wherein, the quality of initiator potassium persulfate is 2% of monomer vinyl acetate quality, and the quality of monomer vinyl acetate is 85% of Sumstar 190 A quality, and the quality of anionic emulsifier is 4.5% of monomer vinyl acetate quality.
The percentage of grafting of described graft modified starch is 44%.
The solid content of described graft modified starch water miscible liquid is 52%.
Further, the preparation process of described biomass polyurethane water miscible liquid is:
(1) under nitrogen protection, add in reaction vessel by alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate, catalyst dibutyltin dilaurylate, at 65 DEG C of temperature, 160rpm rotating speed stirring reaction 2.5h, obtains solution I;
The mol ratio of described alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate is 3.5:0.65:4.2, the consumption of described catalyst dibutyltin dilaurylate be alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate three weight and 0.08%;
(2) in solution I, add dimethylolpropionic acid, acetone, at 75 DEG C of temperature, react 1.8h, obtain solution II;
The add-on of described dimethylolpropionic acid is 5.6% of solution I weight, and the add-on of acetone is 3.8% of solution I weight;
(3) solution III is cooled to 42 DEG C, adds triethylamine reaction 0.6h, obtain solution III;
Described in described triethylamine and step (2), the mol ratio of dimethylolpropionic acid is 0.3:1;
(4) at 32 DEG C, be scattered in by solution III in the water of solution III weight 1.2 times, 550rpm rotating speed stirs 30min, obtains solution IV;
(5) by solution IV underpressure distillation, steam acetone, after add the sodium laurylsulfonate of alcoholysis Viscotrol C quality 4.5%, stir 30min with 180rpm rotating speed, obtain biomass polyurethane water miscible liquid.
Further, the solid content of described biomass polyurethane water miscible liquid is 34%, and its emulsion particle diameter is between 50-200nm.
Described Mierocrystalline cellulose adhesion promoting component is the mixture of Natvosol and hydroxyethyl carboxymethyl cellulose, its mol ratio is 3.1:1, and wherein, in Natvosol, the substitution value of hydroxyethyl is 1.2, in hydroxyethyl carboxymethyl cellulose, the substitution value of hydroxyethyl is 1.1, and the substitution value of carboxymethyl is 0.7.
A certain amount of solid Gum Rosin adds in boiling water by being prepared as of described rosin emulsion, and progressively adds tensio-active agent, stirs and forms emulsion.Wherein, the mass ratio of rosin and water is between 1:7.5, and the mass ratio of rosin and tensio-active agent is between 12.5:1, and tensio-active agent is sodium lauryl sulphate.
Claims (5)
1. a biomass environment-friendly water-base cement, forms by plurality of raw materials is composite, comprises graft modified starch water miscible liquid, biomass polyurethane water miscible liquid, Mierocrystalline cellulose tackifying component, rosin emulsion;
The mass fraction ratio of each component is:
Graft modified starch water miscible liquid: 40-60 part
Biomass polyurethane water miscible liquid: 20-40 part
Mierocrystalline cellulose tackifying component: 0.5-1.5 part
Rosin emulsion: 5-10 part
It is characterized in that, the preparation process of described graft modified starch water miscible liquid is:
I: the oxidation of starch: preparation massfraction is the starch water miscible liquid of 40%, 100-150rmp adds the copper sulfate solution that quality is starch water miscible liquid 1.5% under stirring, the mass concentration of copper sulfate solution is 1%, after in system, add the aqueous sodium hydroxide solution adjust ph to 9.5 that mass concentration is 6%, slowly add the hydrogen peroxide of the 1.5-2.5% of water-starch quality of the emulsion afterwards, constant temperature 50 DEG C reaction 3h, after be 3% with mass concentration hydrochloric acid neutralizes pH value for 6.0-6.5, the mass concentration adding 1.5% of starch water miscible liquid quality is again the sodium sulfite aqueous solution termination reaction of 10%, finally by washing, dry, pulverize to obtain Sumstar 190 A,
II: starch silicone surface-modifying: Sumstar 190 A being scattered in quality is in the water of its 350%-500%, add the hydrochloric acid soln that mass concentration is 3%, its pH value is adjusted to 5, after system temperature being risen to 50 DEG C, dropwise add vinyl three ('beta '-methoxy oxyethyl group) silane monomer that quality is Sumstar 190 A quality 5-10%, and stir with the speed of 150-200rmp, isothermal reaction 2 hours, after be cooled to room temperature, add the anion surfactant of Sumstar 190 A quality 1%-3%, under room temperature, 100-150rmp stirs 30min, obtain silicone surface-modifying starch water miscible liquid II,
III: the graft modification of starch: the initiator potassium persulfate aqueous solution of configuration certain volume, the initiator potassium persulfate aqueous solution (mass concentration is 80g/L) of half quality is added in silicone surface-modifying starch water miscible liquid II, after 150rmp speed stirs 20 min, system is warming up to 60 DEG C, after add the Vinyl Acetate Monomer of half quality, anionic emulsifier and pH value buffer reagent, keep ph value of emulsion between 6-8, 150rmp stirs and makes system fully emulsified, after leaving standstill 20min, be warming up to 75 DEG C, add the remaining initiator potassium persulfate aqueous solution, and drip residue Vinyl Acetate Monomer, lh drips, 150rmp speed stirs 20min, leave standstill 30min, rear regulation system pH to 7, stopped reaction, obtaining product appearance is that oyster white sticks thick liquid, be product, wherein, the quality of initiator potassium persulfate is the 1%-3% of monomer vinyl acetate quality, and the quality of monomer vinyl acetate is the 75%-120% of Sumstar 190 A quality, and the quality of anionic emulsifier is the 3%-6% of monomer vinyl acetate quality,
Be further characterized in that, the preparation process of described biomass polyurethane water miscible liquid is:
(1) under nitrogen protection, alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate, catalyst dibutyltin dilaurylate are added in reaction vessel, at 60 DEG C of-70 DEG C of temperature, 120rpm-180rpm rotating speed stirring reaction 1.5 h-3h, obtains solution I;
The mol ratio of described alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate is 3.5:0.6-0.9:3.5-4.5, the consumption of described catalyst dibutyltin dilaurylate be alcoholysis Viscotrol C, polycaprolactone glycol, isophorone diisocyanate three weight and 0.05%-0.10%;
(2) in solution I, add dimethylolpropionic acid, acetone, at 70 DEG C of-80 DEG C of temperature, react 1.5 h-2.0h, obtain solution II;
The add-on of described dimethylolpropionic acid is the 3.2%-7.5% of solution I weight, and the add-on of acetone is the 2.5%-5.0% of solution I weight;
(3) solution III is cooled to 38 DEG C-42 DEG C, adds triethylamine reaction 0.5h-1.0h, obtain solution III;
Described in described triethylamine and step (2), the mol ratio of dimethylolpropionic acid is 0.2-0.35:1;
(4) at 30-35 DEG C of temperature, be scattered in by solution III in solution III weight 1-2 water doubly, 500rpm-600rpm rotating speed stirs 30min, obtains solution IV;
(5) by solution IV underpressure distillation, steam acetone, after add the sodium laurylsulfonate of alcoholysis Viscotrol C quality 3%-6%, stir 30min with 150-200rpm rotating speed, obtain biomass polyurethane water miscible liquid.
2. biomass environment-friendly water-base cement according to claim 1, is characterized in that: the solid content of described graft modified starch water miscible liquid is between 42%-55%.
3. biomass environment-friendly water-base cement according to claim 1, is characterized in that: the solid content of described biomass polyurethane water miscible liquid is between 30%-40%.
4. biomass environment-friendly water-base cement according to claim 1, it is characterized in that: described Mierocrystalline cellulose adhesion promoting component is the mixture of Natvosol and hydroxyethyl carboxymethyl cellulose, hydroxyethyls whole in both and the mol ratio of carboxymethyl are between 4.5:1-7:1.
5. a kind of biomass environment-friendly water-base cement as claimed in claim 1, is characterized in that: described rosin milk adopts anionic surfactant emulsification.
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| CN110205080A (en) * | 2019-06-17 | 2019-09-06 | 湖南工业大学 | A kind of biomass combined environment-friendly water-based adhesive |
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| CN107142006A (en) * | 2017-06-09 | 2017-09-08 | 硕投（武汉）高分子技术有限公司 | A kind of bonding silane coupling agent of raising metal surface polyurethane elastomer coat adhesive force and preparation method thereof |
| CN109609080A (en) * | 2018-11-21 | 2019-04-12 | 山东同创精细化工股份有限公司 | A kind of isocyanates used for shaving board (environment-friendly type) adhesive and preparation method thereof |
| CN110205080A (en) * | 2019-06-17 | 2019-09-06 | 湖南工业大学 | A kind of biomass combined environment-friendly water-based adhesive |
| CN110423456A (en) * | 2019-08-13 | 2019-11-08 | 湖南工业大学 | A kind of preparation method of high intensity dual network biomass membrane material |
| CN110729483A (en) * | 2019-10-22 | 2020-01-24 | 深圳中华自行车(集团)股份有限公司 | Manufacturing method of battery positive pole piece |
| CN113234409A (en) * | 2021-04-29 | 2021-08-10 | 北新集团建材股份有限公司 | Composite adhesive and application thereof |
| CN113234409B (en) * | 2021-04-29 | 2022-06-03 | 北新集团建材股份有限公司 | Composite adhesive and application thereof |
| WO2022227474A1 (en) * | 2021-04-29 | 2022-11-03 | 北新集团建材股份有限公司 | Composite adhesive and use thereof |
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