CN102936470A - Preparation method of environment-friendly formaldehyde-free glue - Google Patents
Preparation method of environment-friendly formaldehyde-free glue Download PDFInfo
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- CN102936470A CN102936470A CN2011102321126A CN201110232112A CN102936470A CN 102936470 A CN102936470 A CN 102936470A CN 2011102321126 A CN2011102321126 A CN 2011102321126A CN 201110232112 A CN201110232112 A CN 201110232112A CN 102936470 A CN102936470 A CN 102936470A
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Abstract
The invention discloses a preparation method of an environment-friendly formaldehyde-free glue, which belongs to the field of chemical industry. The method provided in the invention takes water, polyvinyl alcohol, a glue reactant type 1, hydrochloric acid, a 10% sodium hydroxide water solution, hydroxymethyl cellulose, polyethylene polyamine, a glue stabilizer, and an environment-friendly mildew inhibitor DE as raw materials, which are subjected to heating stirring by a chemical reaction kettle so as to obtain a finished product. The product provided in the invention has the advantages of simple production process, excellent cohesiveness and good construction property, strong adhesion, high strength, no cracking, water resistance, alkali resistance, simple construction, easy blade coating, and easy polishing.
Description
Technical field
Product of the present invention belongs to chemical field, relates in particular to a kind of preparation method of environment friendly aldehyde-free glue.
Background technology
Environment friendly aldehyde-free glue is a kind of adhesive for building, and outward appearance is colourless transparent liquid, has good cohesiveness and good application property, and strong adhesion, intensity be high, do not ftracture, quick-drying; Ventilation property, levelling property, water-repellancy, alkali-resistivity are good; Easy construction, easily blade coating, easily polishing; Do not contain formaldehyde, odorless, nontoxic, be detrimental to health and the objectionable impurities of pollutant atmosphere is overflowed without any, belong to the new green environment protection product.The purposes of this product is: 1. adjustable cement or terra alba can be made the binding agent of ceramic tile, marble, plaster line, cement products, also can be used for the interior exterior wall putty that the materials such as dry powder, cement are modulated into; 2. can criticize ash, the appropriate to the occasion metope drying that makes first of batch ash is removed the floating ash in surface, oil stain, spot, and with this product amount of adjusting dry powder, talcum powder or white cement, row is criticized and scraped again, if scrape two to three times, then head should be slightly thick all over slurry, after doing, polishes with sand paper, scrapes next time again; 3. when boning ceramic tile, mosaic, adjust water gaging mud with this product, row is pasted again; 4. join dry powder, grey calcium powder with this product, can be made into porcelain-imitated coating; 5. this product is caught a cold and still can be used after heating with hot water bath afterwards, and its performance is constant.Produce this product take water, polyvinyl alcohol, glue reagent 1 type, hydrochloric acid, 10% aqueous sodium hydroxide solution, Walocel MT 20.000PV, polyethylene polyamine, glue stablizer, environment-friendly type mould inhibitor DE as raw material, make finished product by the chemical reaction kettle method that stirs of heating, the advantage of product of the present invention is: production technique is simple, product has good cohesiveness and good application property, and strong adhesion, intensity be high, do not ftracture, water-repellancy, alkali-resistivity are good; Easy construction, easily blade coating, easily polishing.
Summary of the invention
The problem to be solved in the present invention provides a kind of method of batch preparation environment friendly aldehyde-free glue, this environment friendly aldehyde-free glue does not contain that formaldehyde, nonpoisonous and tasteless, production technique are simple, product has good cohesiveness and good application property, and strong adhesion, intensity be high, do not ftracture, water-repellancy, alkali-resistivity are good, easy construction, easily blade coating, easily polishing.The raw material of producing the use of environment friendly aldehyde-free glue has: polyvinyl alcohol 8%-9%, water 78%-79%, glue reagent 1 type 2%, hydrochloric acid 1%, 10% aqueous sodium hydroxide solution 4%, Walocel MT 20.000PV 2%, polyethylene polyamine 1%, glue stablizer 2%, environment-friendly type mould inhibitor DE 1%.
The present invention can be achieved through the following technical solutions:
A kind of compound method of environment friendly aldehyde-free glue, its feature is made of following steps:
1. water is added in the reactor, start stirrer, rotating speed is that 40 Zhuan ∕ divide, and temperature is elevated to 96 ℃, slowly add polyvinyl alcohol, after all dissolving, add successively glue reagent 1 type and hydrochloric acid, adjust pH is 2.2, stops after stirring stirring insulation reaction 1.5 hours.
2. temperature in the kettle is down to below 70 ℃, stirs, add 10% aqueous sodium hydroxide solution, adjust pH is transferred to 6.5.
3. add successively while stirring Walocel MT 20.000PV, polyethylene polyamine, glue stablizer, afterreaction 30 minutes stirs.
4. be cooled to normal temperature, add environment-friendly type mould inhibitor DE, stir, the blowing barrelling obtains finished product.
The invention has the beneficial effects as follows: a kind of compound method of environment friendly aldehyde-free glue is provided, and the method has that production technique is simple, cost is low, and product has good cohesiveness and good application property, strong adhesion, intensity is high, do not ftracture; Water-repellancy, alkali-resistivity are good; Easy construction, easily blade coating, easily polishing.
Embodiment
Embodiment 1
Be that 78% water adds in the reactor with accounting for total amount, start stirrer, rotating speed is that 40 Zhuan ∕ divide, temperature is elevated to 96 ℃, slowly adds that to account for total amount be 9% polyvinyl alcohol, after whole dissolvings, add successively that to account for total amount be 2% glue reagent 1 type, 1% hydrochloric acid, adjust pH is 2.2, stops after stirring stirring insulation reaction 1.5 hours; Temperature in the kettle is down to below 70 ℃, stirs, add that to account for total amount be 4% 10% aqueous sodium hydroxide solution, adjust pH is transferred to 6.5; Add successively while stirring that to account for total amount be 2% Walocel MT 20.000PV, 1% polyethylene polyamine, 2% glue stablizer, afterreaction 30 minutes stirs; Be cooled to normal temperature, add that to account for total amount be 1% environment-friendly type mould inhibitor DE, stir, the blowing barrelling obtains finished product.
Embodiment 2
Be that 78.5% water adds in the reactor with accounting for total amount, start stirrer, rotating speed is that 40 Zhuan ∕ divide, temperature is elevated to 96 ℃, slowly adds that to account for total amount be 8.5% polyvinyl alcohol, after whole dissolvings, add successively that to account for total amount be 2% glue reagent 1 type, 1% hydrochloric acid, adjust pH is 2.2, stops after stirring stirring insulation reaction 1.5 hours; Temperature in the kettle is down to below 70 ℃, stirs, add that to account for total amount be 4% 10% aqueous sodium hydroxide solution, adjust pH is transferred to 6.5; Add successively while stirring that to account for total amount be 2% Walocel MT 20.000PV, 1% polyethylene polyamine, 2% glue stablizer, afterreaction 30 minutes stirs; Be cooled to normal temperature, add that to account for total amount be 1% environment-friendly type mould inhibitor DE, stir, the blowing barrelling obtains finished product.
Embodiment 3
Be that 79% water adds in the reactor with accounting for total amount, start stirrer, rotating speed is that 40 Zhuan ∕ divide, temperature is elevated to 96 ℃, slowly adds that to account for total amount be 8% polyvinyl alcohol, after whole dissolvings, add successively that to account for total amount be 2% glue reagent 1 type, 1% hydrochloric acid, adjust pH is 2.2, stops after stirring stirring insulation reaction 1.5 hours; Temperature in the kettle is down to below 70 ℃, stirs, add that to account for total amount be 4% 10% aqueous sodium hydroxide solution, adjust pH is transferred to 6.5; Add successively while stirring that to account for total amount be 2% Walocel MT 20.000PV, 1% polyethylene polyamine, 2% glue stablizer, afterreaction 30 minutes stirs; Be cooled to normal temperature, add that to account for total amount be 1% environment-friendly type mould inhibitor DE, stir, the blowing barrelling obtains finished product.
Claims (5)
1. the preparation method of an environment friendly aldehyde-free glue, it is characterized in that: take polyvinyl alcohol 8%-9%, water 78%-79%, glue reagent 1 type 2%, hydrochloric acid 1%, 10% aqueous sodium hydroxide solution 4%, Walocel MT 20.000PV 2%, polyethylene polyamine 1%, glue stablizer 2%, environment-friendly type mould inhibitor DE 1% as raw material, obtain finished product by following steps.
2. the preparation method of a kind of environment friendly aldehyde-free glue according to claim 1, the feature of its first step is: water is added in the reactor, start stirrer, rotating speed is that 40 Zhuan ∕ divide, and temperature is elevated to 96 ℃, slowly add polyvinyl alcohol, after all dissolving, add successively glue reagent 1 type and hydrochloric acid, adjust pH is 2.2, stop after stirring stirring insulation reaction 1.5 hours.
3. the preparation method of a kind of environment friendly aldehyde-free glue according to claim 1, the feature of its second step is: temperature in the kettle is down to below 70 ℃, stirs, add 10% aqueous sodium hydroxide solution, adjust pH is transferred to 6.5.
4. the preparation method of a kind of environment friendly aldehyde-free glue according to claim 1, the feature in its 3rd step is: add successively while stirring Walocel MT 20.000PV, polyethylene polyamine, glue stablizer, afterreaction 30 minutes stirs.
5. the preparation method of a kind of environment friendly aldehyde-free glue according to claim 1, the feature in its 4th step is: be cooled to normal temperature, add environment-friendly type mould inhibitor DE, stir, the blowing barrelling obtains finished product.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102321126A CN102936470A (en) | 2011-08-15 | 2011-08-15 | Preparation method of environment-friendly formaldehyde-free glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102321126A CN102936470A (en) | 2011-08-15 | 2011-08-15 | Preparation method of environment-friendly formaldehyde-free glue |
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| Publication Number | Publication Date |
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| CN102936470A true CN102936470A (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102321126A Pending CN102936470A (en) | 2011-08-15 | 2011-08-15 | Preparation method of environment-friendly formaldehyde-free glue |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419692A (en) * | 2015-12-21 | 2016-03-23 | 常州市精尔锐工具制造有限公司 | Fixing glue for automobile sealing strips |
| CN107858125A (en) * | 2017-12-07 | 2018-03-30 | 佛山早稻田科技服务有限公司 | A kind of Environment-friendlyglue glue |
-
2011
- 2011-08-15 CN CN2011102321126A patent/CN102936470A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419692A (en) * | 2015-12-21 | 2016-03-23 | 常州市精尔锐工具制造有限公司 | Fixing glue for automobile sealing strips |
| CN107858125A (en) * | 2017-12-07 | 2018-03-30 | 佛山早稻田科技服务有限公司 | A kind of Environment-friendlyglue glue |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130220 |