CN1693402A - High strenghen under water adhesive for deep drilling hole geostress surveying and preparation method - Google Patents
High strenghen under water adhesive for deep drilling hole geostress surveying and preparation method Download PDFInfo
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- CN1693402A CN1693402A CNA2005100186228A CN200510018622A CN1693402A CN 1693402 A CN1693402 A CN 1693402A CN A2005100186228 A CNA2005100186228 A CN A2005100186228A CN 200510018622 A CN200510018622 A CN 200510018622A CN 1693402 A CN1693402 A CN 1693402A
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- viscotrol
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- under water
- reaction container
- geostress
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Abstract
A high-adhesion underwater adhesive used for testing the ground stress when a deep hole is drilling is prepared from toluene diisocyanate, castor oil, acrylic epoxy resin, styrene, benzoyl peroxide, dibutyltin dilaurate and dimethyl phenylamine. Its preparing process is also disclosed. Its advantages are high shear strength and resistance to chemicals and long storage time (by months).
Description
Technical field
The present invention relates to a kind of unsaturation of agglutinating under water modification acrylic acid resin underwater strong adhesive, directly the resistance-strain clump is sticked on the gaging hole crag assembly glue under the specific conditions comparatively in the suitable gun drilling stress-relief method test under water, also can be used as solid agglutinating assembly glue under water, also relate to the preparation method of glue under water simultaneously.
Background technology
Conventional foil gauge binding agent only can be applicable in the dry environment, need use for bonding foil gauge in the boring that water is arranged can be at the thermoset structure glue of humidity and underwater curing, the present domestic several epoxy resin of solidified under water binding agents newly developed are because of its reaction mechanism is subjected to great limitation.The novel acrylic fat of developing kind radical type reaction mechanism jointing compound under water belongs to SGA, both s-generation CALCIUM ACRYLATE jointing compound under water, it is to be matrix with the CALCIUM ACRYLATE epoxy, introduced a certain amount of polymer-modified elastomerics that contains the carbimide group in the molecular structure, be cured with extraordinary solidifying agent, therefore with regard to the performance of jointing compound itself, combine unsaturated polyester resin, the multiple excellent properties of materials such as polyurethane resin, having can be at humidity and underwater curing, set time is adjustable (several minutes～tens of hours), good operation performance, also low-temperature curable (20 ℃), resistance to chemical attack and excellent characteristics such as physical and mechanical property.
The key of borehole wall strain-gauging method is directly resistance wire strain clump to be sticked on the gaging hole crag, the directly success or failure of influence measurement achievement of its sticking Quality quality.The gun drilling geostress survey is in aqueous boring strainometer to be sticked in the gaging hole, therefore binding agent has been proposed special requirement: 1. have enough cohesive strengths; 2. contact with water and have solubility, and untoward reaction can not be arranged; 3. viscosity is little, mobile greatly before initial set, concrete castability is high, and short from the initial set to the final setting time, be controlled within 2 hours to completely solidified from the modulation binding agent whole set time, removes the geostress survey initial stage in deep drilling borehole jack cardiac stress, and binding agent relies on import.
At present domestic currently available products is mostly with Resins, epoxy and unsaturated polyester resin solidified binding agent under water, because of its reaction mechanism has been subjected to significant limitation, the glue of the type all can not satisfy the needs of gun drilling geostress survey, mainly shows the following aspects: (1) agglutinating intensity under water can not meet the demands; (2) contact with water and have insolubility; (3) bad control set time.
Summary of the invention
The object of the present invention is to provide a kind of high strenghen under water adhesive for deep drilling hole geostress surveying, this glue has insulating effect, contain in this glue a certain amount of and-OH reactive behavior higher-the NCO group, therefore in impregnation process, moisture film is destroyed, water in the slit also identifies oneself with the curing reaction of tackiness agent, soak into and spread smoothly, on the other hand, adopted the benzoyl peroxide solidifying agent of hydrolysis, can solidify under water thereby reach, obtain good cohesive strength.The shearing resistance height, chemical resistant properties.
Another object of the present invention is to provide a kind of preparation method of unsaturation modification acrylic acid resin underwater strong adhesive, and technology is simple, and is easy to implement the method.
To achieve these goals, the present invention adopts following technical measures: at first prepare the host of underwater strong adhesive, host can come into operation after adding the solidifying agent modulation.In order to check underwater strong adhesive of the present invention and the import underwater bond effect of glue under water, in indoor bonding controlled trial of carrying out the resistance-strain clump, getting one section external diameter is that Ф 62mm, internal diameter are that Ф 36mm, length are carried out controlled trial for the rock core of 500mm.The controlled trial process is as follows: (1) is the bonding of carrying out the resistance clump in Ф 36mm rock core two stomidiums separately with two kinds of glue at internal diameter under water simultaneously; (2) after the glue curing, apply identical confined pressure, before applying confined pressure, carry out strain testing, whenever apply the one-level confined pressure then, read strain value one time in the core surface classification.Test result shows: two kinds under water the difference of the strain value of glue agglutinating resistance-strain clump can ignore.
In order to check underwater strong adhesive bonding resistance strain clump precision of test result of the present invention, in the indoor simulation test of also having carried out, process of the test is as follows: simulate above-mentioned rock core with aluminium alloy and test, at first the aluminium alloy to the simulation rock core carries out the test of Young's modulus.Test with glue bond resistance-strain clump under water then, test result with the resistance-strain clump, calculate the Young's modulus of simulation rock core aluminium alloy, calculation result shows, and is very approaching with the elastic mould value of simulation rock core aluminium alloy with the Young's modulus of the gained of glue bond resistance-strain clump test under water.
The present invention joins by following raw material system: it all is made of by a certain percentage toluene diisocyanate TDI, Viscotrol C, epoxy acrylic resin, vinylbenzene, thymol, benzoyl peroxide, dibutyl tin laurate, xylidine.Wherein the weight proportion of host is: tolylene diisocyanate (TDI) 55-78 part, and Viscotrol C 194-273 part, epoxy acrylic resin 1000-1750 part after 250～350 parts of mixing of vinylbenzene, just obtains the host of underwater strong adhesive.Thymol (15～20 parts) is a dispersion stabilizer, adds thymol if underwater strong adhesive host is found to have when just condensing phenomenon, otherwise does not add.
Getting the host of above underwater strong adhesive and benzoyl peroxide, dibutyl tin laurate, xylidine modulates by a certain percentage and promptly makes underwater strong adhesive of the present invention, corresponding weight proportion is: above host 95-105 part, benzoyl peroxide 0.8-1.2 part, dibutyl tin laurate 0.1-0.5 part, xylidine 0.05-0.1 part, after the mixing, just obtain underwater strong adhesive.
Operational process of craft is as follows:
(1), Viscotrol C dehydration: under condition of normal pressure, heat to 118-122 ℃ of baking 3.5-4.5 hour;
(2), in reaction container, add Viscotrol C at twice, 96～137.2 parts of Viscotrol C that add for the first time total amount, while stirring toluene diisocyanate (TDI) 55-78 is joined in the Viscotrol C, material in reaction container material temperature in the hybrid reaction process can rise (70-90 ℃), when temperature of charge drops to 70 ℃ in the question response bucket, reaction container is put on the electric furnace heats again, and constantly stir, temperature of reaction is controlled at 70 ℃～80 ℃, and churning time is 1.5～2 hours;
(3), synthetic good material cools to 40 ℃ naturally by it in the reaction container;
(4), after synthetic good material cools to 40 ℃ naturally in the reaction container, add the 98-135.8 Viscotrol C for the second time, Viscotrol C limit bevelling stirs;
(5), (4) step finish after, then add epoxy acrylic resin 1000-1750;
(6), in the material in (5) step, add vinylbenzene 250-350, stir and promptly synthesized the host of underwater strong adhesive;
(7), glue host was placed 1.5-2.5 hour under water;
(8), host, benzoyl peroxide, dibutyl tin laurate, xylidine are gone in the beaker, after the mixing and stirring, just obtain underwater strong adhesive.
The present invention compared with prior art has the following advantages and effect:
Solved the curing reaction that glue moisture film on the drill hole wall in the bonding process under water also can join solidifying agent, infiltration and the diffusion of glue in the bonding process under water can be carried out smoothly, solved glue bond strength problem under water simultaneously again.The length that how much can control set time according to the solidifying agent dosage helps the test request under the various environment.Show according to test-results: product of the present invention and traditional product relatively have following characteristics: having can be at humidity and underwater curing, set time is adjustable (several minutes～tens of hours), good operation performance, also low-temperature curable (20 ℃), resistance to chemical attack and excellent characteristics such as physical and mechanical property.Technology of the present invention is simple, and is workable, the shearing resistance height, and chemical resistant properties, the host storage time is being half a year.
The technical performance index of underwater strong adhesive of the present invention is as follows:
1. outward appearance: pale brown translucent viscous fluid;
2. viscosity: 1.3PaS (during 250C rotary viscosity agent measure);
3. proportion: 10.71KN/m3;
4. acidity value: 4.5;
5. shelf lives: at room temperature air-proof condition is preserved half a year down;
6. the underwater strong adhesive mechanical performance index sees the following form.
Underwater strong adhesive mechanical performance index table
| Glue under water | Slip resistance MPa | Ultimate compression strength MPa | |
| Room temperature (280C) | Do bonding | ????11.7 | ????4.09 |
| Bond under water | ????13.5 | ????3.8 | |
| Low temperature (200C) | Band frost bonding | ????9.17 | ????-- |
Embodiment
Embodiment 1:
Host raw material consumption is a weight part
Tolylene diisocyanate (TDI) 60 or 65 or 70 or 75 or 77.8 or 78
Viscotrol C 210 or 235 or 245 or 272.2 or 272.5
Epoxy acrylic resin 1150 or 1350 or 1480 or 1600 or 1700 or 1730
Vinylbenzene 255 or 260 or 275 or 288 or 295
In the reaction container that agitator, heating platform, thermometer are housed, undertaken by following step:
(1), Viscotrol C dehydration: under condition of normal pressure, heat to 118-122 ℃ of baking 3.5～4.5 hours;
(2), in reaction container, put into 105.5～137.2 parts of Viscotrol C, while stirring toluene diisocyanate (TDI) is joined in the Viscotrol C, material in reaction container material temperature in the hybrid reaction process can rise, when temperature of charge drops to 70 ℃ in the question response bucket, again reaction container is put on the electric furnace and heats, and constantly stir, temperature of reaction is controlled at 70 ℃～80 ℃, and churning time is 1.5～2 hours.
(3), synthetic good material cools to 40 ℃ naturally by it in the reaction container.
(4), after synthetic good material cools to 40 ℃ naturally in the reaction container, add 104.5-135.8 part Viscotrol C for the second time, Viscotrol C limit bevelling stirs;
(5), (4) step finish after, then add epoxy acrylic resin;
(6), (5) step material in add vinylbenzene, stir and promptly synthesized the host of underwater strong adhesive;
(7), glue host was placed 1.5-2.5 hour under water;
(8), accurately take by weighing in 100 parts of adding beakers of above host, 1 part of benzoyl peroxide, 0.3 part of dibutyl tin laurate, 0.08 part of xylidine, after the mixing and stirring, just obtain underwater strong adhesive.
Embodiment 2:
The raw material consumption is a weight part
Tolylene diisocyanate (TDI) 56 or 57 or 62 or 71 or 74 or 76
Viscotrol C 194 or 195 or 210 or 241 or 250 or 265 or 270
Epoxy acrylic resin 1000 or 1010 or 1200 or 1305 or 1450 or 1550
Vinylbenzene 265 or 278 or 285 or 300 or 320 or 345
In the reaction container that agitator, heating platform, thermometer are housed, undertaken by following step:
(1), Viscotrol C dehydration: under condition of normal pressure, heat to 118-122 ℃ of baking 3.5～4.5 hours;
(2), in reaction container, put into 96-137 part Viscotrol C, while stirring toluene diisocyanate TDI56-76 is joined in the Viscotrol C, material in reaction container material temperature in the hybrid reaction process can rise, when temperature of charge drops to 70 ℃ in the question response bucket, again reaction container is put on the electric furnace and heats, and constantly stir, temperature of reaction is controlled at 70 ℃～80 ℃, and churning time is 1.5～2 hours.
(3), synthetic good material cools to 40 ℃ naturally by it in the reaction container.
(4), after synthetic good material cools to 40 ℃ naturally in the reaction container, add remaining Viscotrol C 98-133 again, Viscotrol C limit bevelling stirs;
(5), (4) step finish after, then add epoxy acrylic resin 1000-1550;
(6), in the material in (5) step, add vinylbenzene 265-345, stir and promptly synthesized the host of underwater strong adhesive;
(7), glue host was placed 1.5-2.5 hour under water;
(8), accurately take by weighing in above host 97 or the 99 or 104 parts of adding beakers, benzoyl peroxide 0.9 or 1.1 parts, dibutyl tin laurate 0.28 or 0.4 or 0.45 part, xylidine 0.07 or 0.09 part, after the mixing and stirring, just obtain underwater strong adhesive.
Claims (3)
1, a kind of high strenghen under water adhesive for deep drilling hole geostress surveying, it is made by the raw material of following weight part:
Parts by weight of raw materials
Tolylene diisocyanate 55-78
Viscotrol C 190-273
Epoxy acrylic resin 1000-1750
Vinylbenzene 250-350
Be mixed and made into host, get host and following feedstock production underwater strong adhesive then, its weight proportion is:
Parts by weight of raw materials
Host 95-105
Benzoyl peroxide 0.8-1.2
Dibutyl tin laurate 0.1-0.5
Xylidine 0.05-0.1.
2, a kind of high strenghen under water adhesive for deep drilling hole geostress surveying according to claim 1 is characterized in that:
Parts by weight of raw materials
Tolylene diisocyanate 56-57
Viscotrol C 194-196
Epoxy acrylic resin 1150-1350
Vinylbenzene 265-295
Be mixed and made into host, get host and following feedstock production underwater strong adhesive then, its weight proportion is:
Parts by weight of raw materials
100 parts of hosts
Benzoyl peroxide 1
Dibutyl tin laurate 0.28
Xylidine 0.1.
3, a kind of preparation method who is used to realize the described high strenghen under water adhesive for deep drilling hole geostress surveying of claim 1, it may further comprise the steps:
(A), Viscotrol C dehydration: under condition of normal pressure, heat to 118-122 ℃ of baking 3.5～4.5 hours;
(B), in reaction container, add Viscotrol C at twice, the 96-137.2 part Viscotrol C that adds for the first time total amount, while stirring toluene diisocyanate is joined in the Viscotrol C, material in reaction container material temperature in the hybrid reaction process can rise, when temperature of charge drops to 70 ℃ in the question response bucket, reaction container is put on the electric furnace heats again, and constantly stir, temperature of reaction is controlled at 70 ℃～80 ℃, and churning time is 1.5～2 hours;
(C), synthetic good material cools to 40 ℃ naturally by it in the reaction container;
(D), after synthetic good material cools to 40 ℃ naturally in the reaction container, add 98-135.8 part Viscotrol C for the second time, Viscotrol C limit bevelling stirs;
(E), (D) step finish after, then add epoxy acrylic resin 1000-1750;
(F), in (E) material in step, add vinylbenzene 250-350, stir and promptly synthesized the host of underwater strong adhesive;
(G), glue host was placed 1.5-2.5 hour under water;
(H), host, benzoyl peroxide, dibutyl tin laurate, xylidine are gone in the beaker, after the mixing and stirring, just obtain underwater strong adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100186228A CN1272399C (en) | 2005-04-28 | 2005-04-28 | High strenghen under water adhesive for deep drilling hole geostress surveying and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100186228A CN1272399C (en) | 2005-04-28 | 2005-04-28 | High strenghen under water adhesive for deep drilling hole geostress surveying and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1693402A true CN1693402A (en) | 2005-11-09 |
| CN1272399C CN1272399C (en) | 2006-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100186228A Expired - Fee Related CN1272399C (en) | 2005-04-28 | 2005-04-28 | High strenghen under water adhesive for deep drilling hole geostress surveying and preparation method |
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| Country | Link |
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| CN (1) | CN1272399C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392039C (en) * | 2006-05-22 | 2008-06-04 | 中国科学院广州化学研究所 | Modified ethenyl resin grouting material and its preparation method and construction method |
| CN103384710A (en) * | 2011-01-26 | 2013-11-06 | M-I有限公司 | Wellbore strengthening composition |
| CN108414129A (en) * | 2018-04-02 | 2018-08-17 | 长江水利委员会长江科学院 | The direct patch crustal stress of half backpack body releases test device and method |
-
2005
- 2005-04-28 CN CNB2005100186228A patent/CN1272399C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100392039C (en) * | 2006-05-22 | 2008-06-04 | 中国科学院广州化学研究所 | Modified ethenyl resin grouting material and its preparation method and construction method |
| CN103384710A (en) * | 2011-01-26 | 2013-11-06 | M-I有限公司 | Wellbore strengthening composition |
| US9926484B2 (en) | 2011-01-26 | 2018-03-27 | M-1 L.L.C. | Wellbore strengthening composition |
| CN108414129A (en) * | 2018-04-02 | 2018-08-17 | 长江水利委员会长江科学院 | The direct patch crustal stress of half backpack body releases test device and method |
| CN108414129B (en) * | 2018-04-02 | 2023-07-14 | 长江水利委员会长江科学院 | Device and method for testing relief of direct patch ground stress of semi-enclosure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1272399C (en) | 2006-08-30 |
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| PB01 | Publication | ||
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Granted publication date: 20060830 Termination date: 20120428 |