CN105384386A - Grape skin residue-based concrete water reducer and preparation method thereof - Google Patents
Grape skin residue-based concrete water reducer and preparation method thereof Download PDFInfo
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- CN105384386A CN105384386A CN201510887495.9A CN201510887495A CN105384386A CN 105384386 A CN105384386 A CN 105384386A CN 201510887495 A CN201510887495 A CN 201510887495A CN 105384386 A CN105384386 A CN 105384386A
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Abstract
The invention discloses a grape skin residue-based concrete water reducer. The grape skin residue-based concrete water reducer is prepared from the following raw materials by weight: 5 to 10 parts of grape skin residue, 0.1 to 0.2 part of dodecyl glucoside, 1 to 2 parts of citric acid, 2 to 4 parts of polyvinyl alcohol, 5 to 10 parts of hydrogen peroxide with a concentration of 20 to 30%, 0.1 to 0.2 part of polysorbate-80, 2 to 4 parts of disodium ethylene diamine tetraacetate, 0.1 to 0.2 part of sodium benzoate, 40 to 50 parts of modified polycarboxylate mother liquor and 40 to 50 parts of water. The water reducer has good compatibility with cement, is small in doping amount and high in a water reducing rate, can improve the bonding strength of cement, strengthen the compression resistance and fracture resistance of concrete and enhance the strength and compactness of concrete and has a high practical value. The preparation method for the water reducer has the advantages of low cost, simple process, energy conservation and environmental protection performance.
Description
Technical field
The present invention relates to chemical assistant technical field, particularly relate to a kind of grape skin base concrete water reducer and preparation method thereof.
Background technology
Cement water reducing agent is one of staple product of building materials industry, in concrete mix, add Water-reducing Admixtures To Cements particle have dissemination, the mobility of concrete mix can be improved, reduce unit cement consumption, save cement, ensure concrete workability and intensity simultaneously.Water reducer conventional at present mainly contains lignin sulfonate, naphthalene water reducer class and poly carboxylic acid series water reducer class.Poly carboxylic acid series water reducer has the advantages such as water-reducing rate is high, reinforced effects is remarkable, concrete workability better, environmental protection, is the water reducer of most application prospect in recent years.But in actual concrete works uses, there is the problem with cement consistency in poly carboxylic acid series water reducer, its result of use affects larger by cement moiety.Time particularly containing compositions such as clays, due to the Inter layer adsorption effect of clay, serious on the diminishing dispersing property impact of polycarboxylate water-reducer, concrete serviceability is reduced, constrains widespread use and the development of poly carboxylic acid series water reducer.And current domestic poly carboxylic acid series water reducer product development is not yet ripe, of less types, is difficult to content with funtion, the diversified market requirement, need further exploitation and perfect.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of grape skin base concrete water reducer and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of grape skin base concrete water reducer, it is obtained by the raw material of following weight parts:
Grape skin 5-10, Dodecyl Polyglucosides 0.1-0.2, citric acid 1-2, polyvinyl alcohol 2-4,20%-30% hydrogen peroxide 5-10, Tween-80 0.1-0.2, disodium ethylene diamine tetraacetate 2-4, Sodium Benzoate 0.1-0.2, modified polycarboxylic acid mother liquor 40-50, water 40-50;
Wherein modified polycarboxylic acid mother liquor is made up of the raw material of following weight part: vinylformic acid 30-40, methyl methacrylate 10-15, poly glycol monomethyl ether 10-15, feather protein 3-5, carboxymethyl cellulose 3-5, Potassium Persulphate 0.5-1, water 100-150; The preparation method of modified polycarboxylic acid mother liquor be carboxymethyl cellulose, feather protein and Potassium Persulphate are added 1/2-2/3 amount water in 60-80 DEG C stir 0.5-1h obtain A liquid, all the other raw materials are mixed to obtain B liquid, again A liquid and B liquid are added 70-80 DEG C of stirring reaction 4-6h in reactor jointly, after cooling, pH is adjusted to 8-9, obtains final product.
A preparation method for grape skin base concrete water reducer, comprises the following steps:
(1) raw material is taken by weight, first grape skin, citric acid and Dodecyl Polyglucosides are added to the water jointly 60-80 DEG C and stir 12-24h, Tween-80 and polyvinyl alcohol 80-90 DEG C of stirring 1-2h is added after pH being adjusted to 6-7, then temperature is adjusted to 50-60 DEG C, add 20%-30% hydrogen peroxide and stir 4-6h, after cooling, pH is adjusted to 7-8, obtains mixed solution;
(2) after being mixed with modified polycarboxylic acid mother liquor by the mixed solution in (1), 70-80 DEG C is stirred 0.5-1h, adds all the other raw material stirring evenly, obtain grape skin base concrete water reducer after cooling.
Advantage of the present invention is:
Containing plurality of active ingredients such as pectin, trans-resveratrol, polyphenol in grape skin, there is good dispersion, osmotic effect.The present invention is by the introducing of feather protein and carboxymethyl cellulose pluronic polymer, make the modified polycarboxylic acid mother liquor of synthesis good to cement adaptability, effectively can reduce the Inter layer adsorption of clay, there is good diminishing dispersing property, composite simultaneously by raw materials such as grape skins, the Water-reducing Admixtures To Cements obtained is made to have good consistency, volume is little, water-reducing rate is high, the cohesive strength of cement can be improved, the resistance to compression of Concrete Structure, fracture resistance, improve concrete intensity and density, there is higher practical value, and cost is low, technique is simple, energy-conserving and environment-protective.
Embodiment
A kind of grape skin base concrete water reducer, it is obtained by the raw material of following weight parts:
Grape skin 5, Dodecyl Polyglucosides 0.1, citric acid 1, polyvinyl alcohol 2,20% hydrogen peroxide 5, Tween-80 0.1, disodium ethylene diamine tetraacetate 2, Sodium Benzoate 0.1, modified polycarboxylic acid mother liquor 40, water 40;
Wherein modified polycarboxylic acid mother liquor is made up of the raw material of following weight part: vinylformic acid 30, methyl methacrylate 10, poly glycol monomethyl ether 10, feather protein 3, carboxymethyl cellulose 3, Potassium Persulphate 0.5, water 100; Carboxymethyl cellulose, feather protein and Potassium Persulphate are added 60 DEG C of stirring 0.5h in the water of 1/2 amount to obtain A liquid by the preparation method of modified polycarboxylic acid mother liquor, all the other raw materials are mixed to obtain B liquid, again A liquid and B liquid are added 70 DEG C of stirring reaction 4h in reactor jointly, after cooling, pH is adjusted to 8, obtains final product.
A preparation method for grape skin base concrete water reducer, comprises the following steps:
(1) raw material is taken by weight, first grape skin, citric acid and Dodecyl Polyglucosides are added to the water jointly 60 DEG C and stir 12h, Tween-80 and polyvinyl alcohol 80 DEG C stirring 1h is added after pH is adjusted to 6, then temperature is adjusted to 50 DEG C, add 20% hydrogen peroxide and stir 4h, after cooling, pH is adjusted to 7, obtains mixed solution;
(2) mixed solution in (1) is mixed latter 70 DEG C with modified polycarboxylic acid mother liquor and stir 0.5h, add all the other raw material stirring after cooling evenly, obtain grape skin base concrete water reducer.
Adopt reference cement, as shown in the table to the concrete experiments result of above-mentioned obtained water reducer:
Table one: concrete mixture characteristic (the solid volume 0.5% of water reducer)
| Index | Air content | Compressive strength rate (28d) | Shrinkage ratio (28d) |
| Test result | 3.3% | 161% | 106% |
Carry out paste flowing degree test with above-mentioned obtained water reducer to the cement that difference forms, result is as follows:
Table two: the dispersiveness of water reducer in difference composition cement
| Cement type | Water reducer volume (%) | Initial flow degree (mm) | 1h degree of mobilization (mm) |
| Plain cement | 0.5 | 242 | 238 |
| Silt content 5% cement | 0.5 | 237 | 234 |
Claims (2)
1. a grape skin base concrete water reducer, is characterized in that, it is obtained by the raw material of following weight parts:
Grape skin 5-10, Dodecyl Polyglucosides 0.1-0.2, citric acid 1-2, polyvinyl alcohol 2-4,20%-30% hydrogen peroxide 5-10, Tween-80 0.1-0.2, disodium ethylene diamine tetraacetate 2-4, Sodium Benzoate 0.1-0.2, modified polycarboxylic acid mother liquor 40-50, water 40-50;
Described modified polycarboxylic acid mother liquor is made up of the raw material of following weight part: vinylformic acid 30-40, methyl methacrylate 10-15, poly glycol monomethyl ether 10-15, feather protein 3-5, carboxymethyl cellulose 3-5, Potassium Persulphate 0.5-1, water 100-150; The preparation method of modified polycarboxylic acid mother liquor be carboxymethyl cellulose, feather protein and Potassium Persulphate are added 1/2-2/3 amount water in 60-80 DEG C stir 0.5-1h obtain A liquid, all the other raw materials are mixed to obtain B liquid, again A liquid and B liquid are added 70-80 DEG C of stirring reaction 4-6h in reactor jointly, after cooling, pH is adjusted to 8-9, obtains final product.
2. the preparation method of a kind of grape skin base concrete water reducer according to claim 1, is characterized in that, comprise the following steps:
(1) raw material is taken by weight, first grape skin, citric acid and Dodecyl Polyglucosides are added to the water jointly 60-80 DEG C and stir 12-24h, Tween-80 and polyvinyl alcohol 80-90 DEG C of stirring 1-2h is added after pH being adjusted to 6-7, then temperature is adjusted to 50-60 DEG C, add 20%-30% hydrogen peroxide and stir 4-6h, after cooling, pH is adjusted to 7-8, obtains mixed solution;
(2) after being mixed with modified polycarboxylic acid mother liquor by the mixed solution in (1), 70-80 DEG C is stirred 0.5-1h, adds all the other raw material stirring evenly, obtain grape skin base concrete water reducer after cooling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510887495.9A CN105384386A (en) | 2015-12-07 | 2015-12-07 | Grape skin residue-based concrete water reducer and preparation method thereof |
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| CN201510887495.9A CN105384386A (en) | 2015-12-07 | 2015-12-07 | Grape skin residue-based concrete water reducer and preparation method thereof |
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| CN105384386A true CN105384386A (en) | 2016-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115141315A (en) * | 2022-07-12 | 2022-10-04 | 湖南路智新材料科技有限公司 | Mother liquor for producing concrete water reducing agent by using orange and shaddock peels and preparation method |
Citations (4)
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| CN101767952A (en) * | 2009-12-29 | 2010-07-07 | 天津市飞龙砼外加剂有限公司 | Polycarboxylic acid water reducing agent and preparation method thereof |
| CN103183794A (en) * | 2011-12-27 | 2013-07-03 | 山西黄腾化工有限公司 | Method for preparing polycarboxylic acid type water reducer by solid acid esterification |
| CN103664052A (en) * | 2013-11-29 | 2014-03-26 | 上海三瑞高分子材料有限公司 | Polycarboxylate superplasticizer for machine-made sand concrete |
| CN105036590A (en) * | 2015-07-20 | 2015-11-11 | 苏州市兴邦化学建材有限公司 | Modified polycarboxylate powder superplasticizer dedicated to flowable mortar |
-
2015
- 2015-12-07 CN CN201510887495.9A patent/CN105384386A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767952A (en) * | 2009-12-29 | 2010-07-07 | 天津市飞龙砼外加剂有限公司 | Polycarboxylic acid water reducing agent and preparation method thereof |
| CN103183794A (en) * | 2011-12-27 | 2013-07-03 | 山西黄腾化工有限公司 | Method for preparing polycarboxylic acid type water reducer by solid acid esterification |
| CN103664052A (en) * | 2013-11-29 | 2014-03-26 | 上海三瑞高分子材料有限公司 | Polycarboxylate superplasticizer for machine-made sand concrete |
| CN105036590A (en) * | 2015-07-20 | 2015-11-11 | 苏州市兴邦化学建材有限公司 | Modified polycarboxylate powder superplasticizer dedicated to flowable mortar |
Non-Patent Citations (1)
| Title |
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| 何廷树等: "《混凝土外加剂》", 31 August 2003, 陕西科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115141315A (en) * | 2022-07-12 | 2022-10-04 | 湖南路智新材料科技有限公司 | Mother liquor for producing concrete water reducing agent by using orange and shaddock peels and preparation method |
| CN115141315B (en) * | 2022-07-12 | 2023-09-26 | 湖南路智新材料科技有限公司 | Concrete water reducing agent mother liquor produced by utilizing orange peel and shaddock peel and preparation method thereof |
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