CN105036599A - Water glass waterproof agent and preparation method thereof - Google Patents
Water glass waterproof agent and preparation method thereof Download PDFInfo
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- CN105036599A CN105036599A CN201510357171.4A CN201510357171A CN105036599A CN 105036599 A CN105036599 A CN 105036599A CN 201510357171 A CN201510357171 A CN 201510357171A CN 105036599 A CN105036599 A CN 105036599A
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Abstract
The invention discloses a water glass waterproof agent and a preparation method thereof. The water glass waterproof agent is prepared from the following raw materials in parts by weight: 30-40 parts of water glass, 20-30 parts of dynasylan ibteo, 2-5 parts of vinyl trimethoxy silane, and 0.5-1 part of dibutyltin dilaurate. The water glass waterproof agent has a good protective effect on concrete, has better permeability, can deeply permeate into concrete, forms a waterproof outer housing, guarantees the durability of concrete, and is not easy to corrode and age; in addition, the preparation method is simple, and the cost is low.
Description
Technical field
The invention belongs to water-resisting agent field, relate in particular to a kind of waterglass waterproof agent, also relate to its preparation method simultaneously.
Background technology
Water-resisting agent significantly has the concrete impervious water-proof function of raising, and seepage-resistant grade can reach more than P25, has slow setting, morning by force, the effect such as diminishing, cracking resistance, and the workability can improving fresh mortar: alternative lime putty simultaneously.Be specially adapted to one-storey house roof concrete, mass waterproof concrete, concrete for hydraulic structure, waterproof mortar etc.Existing water-resisting agent, complex manufacturing, and also cost is higher.Water glass price is lower, and easily obtains, and can be used as water-resisting agent.Existing concrete waterproofer is poor to concrete provide protection, and perviousness is weak.
Summary of the invention
Object of the present invention, is to provide a kind of waterglass waterproof agent and preparation method thereof.Use waterglass waterproof agent of the present invention, to concrete, there is good provide protection; There is stronger perviousness, can cross and go deep into inside concrete, form water-proof case, concrete weather resistance is guaranteed, not easily suffers erosion aging; Making method is simple, with low cost.
Technical scheme of the present invention: a kind of waterglass waterproof agent, it is made with the raw material of following weight proportion, water glass 30 ~ 40 parts, isobutyl triethoxy silane 20 ~ 30 parts, vinyltrimethoxy silane 2 ~ 5 parts, dibutyl tin laurate 0.5 ~ 1 part.
Aforesaid waterglass waterproof agent, it is made with the raw material of following weight proportion, water glass 35 parts, isobutyl triethoxy silane 25 parts, vinyltrimethoxy silane 3 parts, dibutyl tin laurate 0.7 part.
Aforesaid waterglass waterproof agent, the modulus M of described water glass is 2.51, and density is 1.45g/cm
3.
The preparation method of aforesaid waterglass waterproof agent, prepares in the steps below:
A, first mixed with isobutyl triethoxy silane by water glass, 55 DEG C stir, and obtain A product;
B, add vinyltrimethoxy silane at A product, stir and make it to mix, obtain B product;
C, continue to add dibutyl tin laurate in B product, stir and make it to mix, obtain C product;
D, by C product cool, get product.
In order to make those of ordinary skill in the art better understand the present invention, set forth the present invention further below by way of experiment and embodiment.
Experimental example 1: the waterproof effect test of waterglass waterproof agent
1 experiment
1.1 experiment material
Waterglass waterproof agent is (by the waterglass waterproof agent prepared by embodiment 1; Concrete sample adopts the concrete steel die trial of 10cm × 10cm × 10cm shaping, die trial internal surface does not use oil-based release agent, and specification is the proportioning (being called for short HPC) of the proportioning (being called for short 0PC) of the normal concrete of C30 strength grade and the Marine Engineering High-performance Concrete of C45 strength grade.
1.2 experimental technique
By waterglass waterproof agent in the concrete depth of penetration of 0PC strength grade and the perviousness in HPC, resisting chloride ion penetration, water-intake rate correlation data, draw waterglass waterproof agent waterproof effect experimental result.
2 experimental results
2.1 perviousness
Table l give the depth of penetration test data of waterglass waterproof agent in OPC and HPC.Therefrom can find out: 1. the depth of penetration of waterglass waterproof agent in C30 normal concrete is more than 4mm, should reach the acceptance requirement of 3 ~ 4mm more than impregnating depth in JTJ275-2000.Depth of penetration in C45 high performance concrete also meets the acceptance requirement of 2 ~ 3mm in JTJ275-2000.2. the C45 high performance concrete used in test is in order to resist villaumite infiltration in seawater, have employed lower water-cement ratio in concrete mix and mix composite blend, the concrete made is more closely knit, and concrete absorptive character are poor, and waterglass waterproof agent is difficult to infiltrate in concrete.
Note: waterglass waterproof agent consumption is 150g/m
3.
2.2 resisting chloride ion penetrations
Use waterglass waterproof agent to after concrete protective, directly there is chemical reaction and form stable silicon resin layer in waterglass waterproof agent and concrete, the space in further ST Stuffing Table layer concrete, makes concrete surface layer have hydrophobic nature and good degree of compactness.The chlorion absorbed dose of waterglass waterproof agent reduces effect.As shown in table 2.
Note: waterglass waterproof agent consumption is 150g/m
3.
As can be seen from Table 2: 1. waterglass waterproof agent can reach the chlorion absorbed dose reduction effect of 90% in normal concrete and high performance concrete, reaches the acceptance requirement of regulation and stipulation.When the depth of penetration of waterglass waterproof agent is larger, the pore that water and chlorion arrive inside concrete by protective layer is more tortuous, and path is longer, and the reduction effect of chlorion absorbed dose is more obvious.The degree of compactness of normal concrete is not high, and impregnating with silane agent has higher depth of penetration (see table 1) in normal concrete, therefore is better than high performance concrete the chlorion absorbed dose reduction effect of normal concrete.
2.3 specific absorption
Concrete water-intake rate effect after waterglass waterproof agent process is in table 3.
Note: waterglass waterproof agent consumption is 150g/m
3.
Data as can be seen from table 3: after using waterglass waterproof agent process, concrete water-intake rate reduces by more than 90% than when not using water-resisting agent to protect, and reaches in JTJ275-2000 and is not more than 0.01mm/mm
0.5acceptance requirement.
Compared with the prior art, the present invention has following beneficial effect:
(1) waterglass waterproof agent, has good provide protection to concrete.
(2) waterglass waterproof agent has stronger perviousness, can cross and go deep into inside concrete, forms water-proof case, concrete weather resistance is guaranteed, not easily suffers erosion aging.
(3) making method is simple, with low cost.
Embodiment
Embodiment 1.
Waterglass waterproof agent, makes with the raw material of following weight proportion, water glass 35kg, isobutyl triethoxy silane 25kg, vinyltrimethoxy silane 3kg, dibutyl tin laurate 0.7kg.
Concrete preparation process is as follows:
A, first mixed with isobutyl triethoxy silane by water glass, 55 DEG C stir, and obtain A product;
B, add vinyltrimethoxy silane at A product, stir and make it to mix, obtain B product;
C, continue to add dibutyl tin laurate in B product, stir and make it to mix, obtain C product;
D, by C product cool, get product.
Claims (4)
1. a waterglass waterproof agent, is characterized in that: it is made with the raw material of following weight proportion, water glass 30 ~ 40 parts, isobutyl triethoxy silane 20 ~ 30 parts, vinyltrimethoxy silane 2 ~ 5 parts, dibutyl tin laurate 0.5 ~ 1 part.
2. waterglass waterproof agent as claimed in claim 1, is characterized in that: it is made with the raw material of following weight proportion, water glass 35 parts, isobutyl triethoxy silane 25 parts, vinyltrimethoxy silane 3 parts, dibutyl tin laurate 0.7 part.
3. waterglass waterproof agent as claimed in claim 2, is characterized in that: the modulus M of described water glass is 2.51, and density is 1.45g/cm
3.
4. as the preparation method of the waterglass waterproof agent as described in arbitrary in claims 1 to 3, it is characterized in that: prepare in the steps below:
A, first mixed with isobutyl triethoxy silane by water glass, 55 DEG C stir, and obtain A product;
B, add vinyltrimethoxy silane at A product, stir and make it to mix, obtain B product;
C, continue to add dibutyl tin laurate in B product, stir and make it to mix, obtain C product;
D, by C product cool, get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357171.4A CN105036599A (en) | 2015-06-25 | 2015-06-25 | Water glass waterproof agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357171.4A CN105036599A (en) | 2015-06-25 | 2015-06-25 | Water glass waterproof agent and preparation method thereof |
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| CN105036599A true CN105036599A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510357171.4A Pending CN105036599A (en) | 2015-06-25 | 2015-06-25 | Water glass waterproof agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731872A (en) * | 2016-03-09 | 2016-07-06 | 文登蓝岛建筑工程有限公司 | Expansion type concrete waterproof agent and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597478A (en) * | 2008-06-04 | 2009-12-09 | 俞金波 | Waterglass waterproof agent |
| CN102557726A (en) * | 2011-12-27 | 2012-07-11 | 华南理工大学 | High-permeability multi-effect concrete water-proofing agent and preparation method thereof |
| CN102701788A (en) * | 2012-05-04 | 2012-10-03 | 暴峰 | Organic-inorganic hybrid solution type water repellent for surfacers of building materials and preparation process thereof |
| CN104073160A (en) * | 2013-03-28 | 2014-10-01 | 扬州豪扬新型建筑材料有限公司 | Organic silicon waterproof agent |
-
2015
- 2015-06-25 CN CN201510357171.4A patent/CN105036599A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597478A (en) * | 2008-06-04 | 2009-12-09 | 俞金波 | Waterglass waterproof agent |
| CN102557726A (en) * | 2011-12-27 | 2012-07-11 | 华南理工大学 | High-permeability multi-effect concrete water-proofing agent and preparation method thereof |
| CN102701788A (en) * | 2012-05-04 | 2012-10-03 | 暴峰 | Organic-inorganic hybrid solution type water repellent for surfacers of building materials and preparation process thereof |
| CN104073160A (en) * | 2013-03-28 | 2014-10-01 | 扬州豪扬新型建筑材料有限公司 | Organic silicon waterproof agent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731872A (en) * | 2016-03-09 | 2016-07-06 | 文登蓝岛建筑工程有限公司 | Expansion type concrete waterproof agent and preparation method thereof |
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Application publication date: 20151111 |
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