CN1130438C - Water-proofing agent and its preparation method - Google Patents
Water-proofing agent and its preparation method Download PDFInfo
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- CN1130438C CN1130438C CN 01106168 CN01106168A CN1130438C CN 1130438 C CN1130438 C CN 1130438C CN 01106168 CN01106168 CN 01106168 CN 01106168 A CN01106168 A CN 01106168A CN 1130438 C CN1130438 C CN 1130438C
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Abstract
The present invention relates to a waterproof agent and a preparation method thereof. The waterproof agent comprises the components of the following proportion by weight: 8000 to 10000 of methyltriethoxysilane, 7000 to 10000 of alkali and 120000 to 200000 of water. The preparation method comprises the steps: firstly, the water and the methyltriethoxysilane hydrolyze in a stir mode according to the proportion and are stood for 3 to 4 hours at the temperature of 0 DEG C. to 6 DEG C.; secondly, the water and the methyltriethoxysilane are heated, the temperature is heated to 80 DEG C. to 90 DEG C., and the time of heating is 1 to 1.5 hours; thirdly, the alkali is added and stirred according to the proportion to obtain a finished product, and then, the finished product is heated, the temperature is heated to 80 DEG C. to 90 DEG C., and the time of heating is 1 to 1.5 hours; finally, the pH value of the finished product and the density of the finished product are adjusted. The present invention has the advantages that the toxic air and the liquid which are generated during the production process are eliminated, the environment is not polluted, and the preparation method is simple.
Description
The invention belongs to a kind of water-proof material and production technique thereof, particularly a kind of water-resisting agent and preparation method thereof.
The input that China is used for the waterproof construction aspect is many year by year, at present, the ratio of waterproofing work cost reaches about 15% in project total cost, particularly the waterproof cost ratio of vault has reached the 25%-30% of project total cost, although drop into so big, but waterproof effect is unsatisfactory, new construction then percolation ratio all about 10%.It is a lot of to make a general survey of present water-proof material market kind, as asphalt felt, SBS modification coiled material, BR water-resisting agent, BBI mortar water-proof material etc., these materials exist not ageing-resistant, behind poor water resistance, exposure cracking, the temperature influence and basic unit very easily throw off, produce shortcomings such as breach and hollowing, bigger in the complex region difficulty of construction, technical requirements is higher, wastes time and energy.For this reason, Jigong Inst. of Science-Education Development Technology, Changchun City has developed " a kind of waterproof material " (application number is 00110118.8), when being sprayed on brick, stone, sand-cement slurry, concrete product surface, can infiltrate its inner 10mm-20mm rapidly, form unchangeable waterproof layer, wear-resisting anti-wiping is because there is ventilation property, so can not chap, expand, distortion, weathering, also have anticorrosion, moistureproof, freeze proof acid and alkali-resistance, advantage such as high temperature resistant simultaneously.But in process of production because METHYL TRICHLORO SILANE and hydrolysis reaction can produce a large amount of hydrogenchloride toxic gas and liquid, contaminate environment is destroyed environmental protection.
The purpose of this invention is to provide a kind of new water repellent and preparation method thereof, eliminate the toxic gas and the liquid that produce in the production process, free from environmental pollution, and the preparation method is simple.
The objective of the invention is to be achieved through the following technical solutions: its composition and part by weight are as follows:
Union carbide A-162 8000-10000
Alkali 7000-10000
Water 120000-200000
Preparation technology of the present invention is as follows: earlier pro rata water and Union carbide A-162 are stirred hydrolysis 5-10 minute in reactor, in temperature is to leave standstill 3-4 hour under 0 ℃ of-6 ℃ of condition, heat then, Heating temperature is 80 ℃-90 ℃, and be 1-1.5 hour heat-up time, adds alkali more in proportion and stirs, heat then, Heating temperature is 80 ℃-90 ℃, and be 1-1.5 hour heat-up time, at last finished product is transferred to pH value 11-13, adding water, to adjust density be 1.02-1.04.
Advantage of the present invention is: eliminated the toxic gas and the liquid that produce in the production process, and free from environmental pollution, and the preparation method is simple.
Provide specific embodiments of the invention below:
Embodiment 1:
The composition and the part by weight of water-resisting agent are as follows:
Union carbide A-162 8000
Sodium hydroxide 7500
Water 120000
Preparation technology of the present invention is as follows: earlier pro rata water and Union carbide A-162 are stirred hydrolysis 5 minutes in reactor, in temperature is to leave standstill 3 hours under 0 ℃ of-6 ℃ of condition, heat then, Heating temperature is 80 ℃, be 1.5 hours heat-up time, adds in proportion to heat after sodium hydroxide stirs again, and Heating temperature is 80 ℃, be 1.5 hours heat-up time, at last finished product transferred to pH value 11-13, adding water, to adjust density be 1.02-1.04.
Embodiment 2:
The composition and the part by weight of water-resisting agent are as follows:
Union carbide A-162 9000
Potassium hydroxide 8000
Water 150000
Preparation technology of the present invention is as follows: earlier pro rata water and Union carbide A-162 are stirred hydrolysis 7 minutes in reactor, in temperature is to leave standstill 3.5 hours under 0 ℃ of-6 ℃ of condition, heat then, Heating temperature is 85 ℃, be 1.2 hours heat-up time, adds in proportion to heat after potassium hydroxide stirs again, and Heating temperature is 85 ℃, be 1.2 hours heat-up time, at last finished product transferred to pH value 11-13, adding water, to adjust density be 1.02-1.04.
Embodiment 3:
The composition and the part by weight of water-resisting agent are as follows:
Union carbide A-162 10000
Potassium hydroxide 9000
Water 180000
Preparation technology of the present invention is as follows: earlier pro rata water and Union carbide A-162 are stirred hydrolysis 8 minutes in reactor, in temperature is to leave standstill 4 hours under 0 ℃ of-6 ℃ of condition, heat then, Heating temperature is 90 ℃, be 1.5 hours heat-up time, adds in proportion to heat after potassium hydroxide stirs again, and Heating temperature is 90 ℃, be 1.5 hours heat-up time, at last finished product transferred to pH value 11-13, adding water, to adjust density be 1.02-1.04.
Claims (2)
1, a kind of water-resisting agent is characterized in that: its composition and part by weight are as follows:
Union carbide A-162 8000-10000
Alkali 7000-10000
Water 120000-200000
2, a kind of preparation method of water-resisting agent, it is characterized in that: earlier be that water of 120000-200000 part and Union carbide A-162 that part by weight is 8000-10000 stir hydrolysis 5-10 minute part by weight, in temperature is to leave standstill 3-4 hour under 0 ℃ of-6 ℃ of condition, heat then, Heating temperature is 80 ℃-90 ℃, be 1-1.5 hour heat-up time, adding part by weight again is the alkali stirring of 7000-10000, heat then, Heating temperature is 80 ℃-90 ℃, be 1-1.5 hour heat-up time, adjusts the pH value of finished product and density at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01106168 CN1130438C (en) | 2001-02-20 | 2001-02-20 | Water-proofing agent and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01106168 CN1130438C (en) | 2001-02-20 | 2001-02-20 | Water-proofing agent and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1321718A CN1321718A (en) | 2001-11-14 |
| CN1130438C true CN1130438C (en) | 2003-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01106168 Expired - Fee Related CN1130438C (en) | 2001-02-20 | 2001-02-20 | Water-proofing agent and its preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1130438C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293163C (en) * | 2005-03-03 | 2007-01-03 | 武汉理工大学 | Water-proof and oil-repelling agent of colorless organic silicon resin for asphalt road surface |
| CN101580356B (en) * | 2009-06-26 | 2011-06-15 | 郭元华 | Water-emulsion organic silicon waterproof agent |
| CN102234185B (en) * | 2010-04-20 | 2014-09-03 | 陈磊 | Water-proof deep penetration sealer and preparation process thereof |
| CN102226073A (en) * | 2011-05-11 | 2011-10-26 | 株洲合一建材有限责任公司 | Waterborne permeable waterproof material and preparation method thereof |
| CN105713202A (en) * | 2016-02-23 | 2016-06-29 | 陈谓清 | Nanoscale waterborne waterproof stock solution and preparation method thereof |
-
2001
- 2001-02-20 CN CN 01106168 patent/CN1130438C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1321718A (en) | 2001-11-14 |
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