CN101440261B - Adhesive, coal car leaking stoppage material containing the same, and preparation thereof - Google Patents
Adhesive, coal car leaking stoppage material containing the same, and preparation thereof Download PDFInfo
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- CN101440261B CN101440261B CN200710177922XA CN200710177922A CN101440261B CN 101440261 B CN101440261 B CN 101440261B CN 200710177922X A CN200710177922X A CN 200710177922XA CN 200710177922 A CN200710177922 A CN 200710177922A CN 101440261 B CN101440261 B CN 101440261B
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- sizing agent
- component
- coal
- leaking stoppage
- powder
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- 239000000463 material Substances 0.000 title claims abstract description 35
- 239000003245 coal Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000000853 adhesive Substances 0.000 title abstract description 6
- 230000001070 adhesive effect Effects 0.000 title abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 238000004513 sizing Methods 0.000 claims description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 239000002817 coal dust Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229920002401 polyacrylamide Polymers 0.000 claims description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 229910021538 borax Inorganic materials 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 239000012764 mineral filler Substances 0.000 claims description 6
- 239000004328 sodium tetraborate Substances 0.000 claims description 6
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N thiocyanic acid Chemical compound SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention provides an adhesive. The invention also provides a leaking stoppage material for a coal vehicle, and the leaking stoppage material comprises a leaking stoppage framework component containing coal powder, a curing component containing quick-setting cement, and an adhesion component containing the adhesive. The adhesive and the leaking stoppage material for the coal vehicle containing the adhesive have simple preparation processes and excellent adhesion performances, and are particularly suitable to be used in low-temperature environment.
Description
Technical field
The present invention relates to a kind of sizing agent and contain leaking stoppage material of coal car of this sizing agent and preparation method thereof.
Background technology
China is coal production and consumption big country, and annual production surpasses 1,700,000,000 tons, and annual nearly 80% coal is sent in all parts of the country and the outlet harbour by transportation by railroad.Transportation by railroad coal car car door slit is big at present, has the serious problem that spills in the Coal Transport process.Show that according to pertinent data China is annual to cause about 1,000 ten thousand tons of Coal Loss because transportation spills, surpass 1% of ultimate production then.Not only cause resource and financial loss, also giving on the way, environment brings serious dust pollution.
Be out of shape the unrestrained loss problem of coal that caused car door slit is big and the railway carriage breakage brings in order to solve railway carriage, enterprise has strengthened car body maintenance dynamics, has set up several clear stations, takes the electric welding measure, repairs the crack, corrects big distortion.Following cracklin of 3cm and slit have also been taked some short-cut methods, and as the adhesive tape seal, industrial cloth such as Polywoven Bag stops up, and certain effect is arranged.But labour intensity is big, and site operation needs too much manpower, and difficulty of construction is big, and introduces cloth impurity in coal, influences the user and uses, and cause adverse consequences.Therefore need to develop novel sizing agent and coal conveyor case patching materials, spill, reduce loss economically, and can reduce existing patching materials and spill the environmental pollution that brings to the influence of ature of coal and because of coal to prevent coal.Because China is vast in territory, and all there is algid stage for a long time in many areas, sizing agent and coal conveyor case patching materials also must keep good performance under low temperature environment again.
Summary of the invention
At the deficiencies in the prior art, the purpose of this invention is to provide a kind of sizing agent with resistance to low temperature.
Further aim of the present invention provides a kind of leaking stoppage material of coal car with resistance to low temperature.
Another object of the present invention provides a kind of preparation method of above-mentioned leaking stoppage material of coal car.
To achieve the above object of the invention, the invention provides a kind of sizing agent, the feed composition of described sizing agent and weight percent (wt%) separately consist of:
Polyvinyl alcohol (1799) 8～10wt%
Formaldehyde (37%) 2.6～3.3wt%
Hydrochloric acid (36%) 0.5～1.0wt%
Sodium hydroxide solution 0.2～0.7wt%
Mineral filler 4.7～7.0wt%
Urea 0～6wt%
Thiocyanate-0～10wt%
Water: 42～84wt%
Alcohol 0～42wt%;
Wherein, polyvinyl alcohol 1799 is meant that the molecular-weight average of polyvinyl alcohol (PVF) is 1799.
Described sizing agent is prepared by the following step:
(1) put into polyvinyl alcohol, formaldehyde in closed reaction vessel, with hydrochloric acid pH is adjusted to 1.5-2.5,78-95 ℃ was reacted 60-90 minute down;
(2) with sodium hydroxide pH is adjusted to 5-7.6, adds urea and thiocyanate-, reacted 20-40 minute down at 60 ℃;
(3) add the mineral filler slurries, stir discharging.
In a preferred embodiment, described mineral filler be in wilkinite, kaolin, talcum powder and the diatomite one or more.
The present invention also provides a kind of leaking stoppage material of coal car, and described patching materials comprises the leak stopping skeleton component that contains coal dust, the cure component that contains accelerated cement and the above-mentioned sizing agent and the gluing component of carboxymethyl cellulose (CMC).
In a preferred embodiment, described gluing component is prepared by the following step:
Described sizing agent is added water-spirituous solution, and to be diluted to sizing agent be 7wt%, and cmc soln concentration is 7wt%, then both is mixed with arbitrary proportion.
In a preferred embodiment, described leak stopping skeleton component also comprises: talcum powder and/or borax; Described cure component also comprises: calcium lime powder and/or polyacrylamide (PAM) powder.
In a preferred embodiment, the content of described each solid ingredient is: coal dust: 40～60%wt%; Talcum powder: 5～25wt%; Accelerated cement: 10～20wt%; Calcium lime powder: 10～20%wt%; Borax: 2～3wt%; Polyacrylamide powder: 0.2～3%wt%.
In a preferred embodiment, the granularity≤3mm of described coal dust.
In a preferred embodiment, described talcum powder has passed through 400 purpose mesh screens.
The present invention also provides a kind of method for preparing above-mentioned leaking stoppage material of coal car, and it comprises the steps:
(1) leak stopping skeleton component is mixed;
(2) curing component is mixed;
(3) sizing agent and cmc soln are mixed in proportion as the gluing component;
(4) step (1) gains and step (3) gains are forced to stir, mix, make to become to stick stream paste material;
(5) glutinous stream paste material and step (2) gains are forced to stir, mix, and promptly get patching materials.
The invention provides sizing agent with excellent gluing performance and the leaking stoppage material of coal car that contains this sizing agent, the patching materials that contains this sizing agent has good adhesive solidification leak stopping performance, its mechanical property is also very excellent, be suitable for artificial or power operation and implement leak stopping or reparation, be particularly suitable under low temperature environment, using the various damaged locations of coal conveyor case.
Description of drawings
Fig. 1 is the schematic flow sheet of a specific embodiments of patching materials of the present invention
Embodiment
Below in conjunction with accompanying drawing the present invention is more specifically described.
Embodiment 1.
Present embodiment is a specific embodiments of preparation sizing agent.
Water filling in reactor is warming up to 75～85 ℃, stirs to add polyvinyl alcohol down, and, be warmed up to 90 ℃ of insulations to all being dissolved into clear liquid.The hydrochloric acid that slowly adds (1+1), regulating the pH value is 1.5～2.5, stirred 10 minutes, and began to drip 37% formaldehyde solution, dropwised in about 30 minutes, reaction is 1 hour in about 86 ℃, floss and water sepn occur, add an amount of ethanol this moment, and floss dissolves immediately, continue to react to secondary separation, add ethanol again and regulate.Adding 15% sodium hydroxide solution, to regulate pH value be 5～6, lower the temperature that white disappears or transparence 40 ℃ the time, adds urea and thiocyanate-successively, reacted 30 minutes again, adds polynite or diatomite mud with water-dispersion at last, and discharging is packed after stirring.
Embodiment 2.
Present embodiment is a specific embodiments of preparation patching materials.
(1) composition of raw materials: solid ingredient (weight percent composition): coal dust (≤3 mm): 40～60%; Talcum powder (crossing 400 order mesh screens): 5～25%; Accelerated cement: 10～20%; Calcium lime powder: 10～20%%; Borax: 2～3%; PAM powder: 0.2～3%.
The gluing component: the PVA sizing agent adds water-spirit solvent and is diluted to PVA solid content 7%, CMC strength of solution 7%.According to the Applicable temperature difference, both suitably are mixed.
(2) preparation process:
At first, coal dust, talcum powder and borax are mixed by prescription, moistureproof standby, be designated as component 1 (filling framework material);
Secondly, accelerated cement, lime powder and PAM powder are mixed, moistureproof standby, be designated as component 2 (quick solidifying material);
Three, sizing agent and the CMC solution with embodiment 1 preparation is mixed in proportion, and is designated as component 3 (gluing component);
Four, component 1 forces to stir, mix with component 3, makes to become to stick stream paste material;
At last, glutinous stream paste material forces stirrings, mixes with component 2, promptly gets low temperature resistant leaking stoppage material of coal car.Adjust stickiness with component 3, to satisfy construction requirement.
Be necessary to be pointed out that at this above embodiment only is used for the present invention is further specified; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment to the present invention according to the invention described above content.
Claims (5)
1. leaking stoppage material of coal car, it is characterized in that, described patching materials comprises the leak stopping skeleton component that contains coal dust, contains the cure component of accelerated cement and contain sizing agent and the gluing component of carboxymethyl cellulose, and described leak stopping skeleton component comprises: talcum powder and/or borax; Described cure component comprises: calcium lime powder and/or polyacrylamide powder, and the content of described each solid ingredient is: coal dust: 40%～60wt%, talcum powder: 5%～25wt%; Accelerated cement: 10～20wt%, calcium lime powder: 10%～20wt%, borax: 2%～3wt%, polyacrylamide powder: 0.2%～3wt%; The raw material of described sizing agent comprises:
Polyvinyl alcohol 8～10wt%
Formaldehyde 2.6～3.3wt%
Hydrochloric acid 0.5～1.0wt%
Sodium hydroxide solution 0.2～0.7wt%
Mineral filler 4.7～7.0wt%
Urea 0～6wt%
Thiocyanate-0～10wt%
Water 42～84wt%
Alcohol 0～42wt%;
Wherein, described sizing agent is prepared by the following step:
(1) put into polyvinyl alcohol, formaldehyde in closed reaction vessel, with hydrochloric acid pH is adjusted to 1.5-2.5,78-95 ℃ was reacted 60-90 minute down;
(2) with sodium hydroxide pH is adjusted to 5-7.6, adds urea and thiocyanate-, reacted 20-40 minute down at 60 ℃;
(3) add the mineral filler slurries, stir discharging;
Described mineral filler be in wilkinite, kaolin, talcum powder or the diatomite one or more.
2. patching materials according to claim 1 is characterized in that, described gluing component is prepared by the following step:
Described sizing agent is added water-spirituous solution, and to be diluted to sizing agent be 7wt%, and cmc soln concentration is 7wt%, then both is mixed with arbitrary proportion.
3. patching materials according to claim 1 is characterized in that, the granularity≤3mm of described coal dust.
4. patching materials according to claim 1 is characterized in that, described talcum powder has passed through 400 purpose mesh screens.
5. method for preparing as each described leaking stoppage material of coal car among the claim 1-4, it comprises the steps:
(1) leak stopping skeleton component is mixed;
(2) curing component is mixed;
(3) sizing agent and cmc soln are mixed in proportion as the gluing component;
(4) step (1) gains and step (3) gains are forced to stir, mix, make to become to stick stream paste material;
(5) glutinous stream paste material and step (2) gains are forced to stir, mix, and promptly get patching materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710177922XA CN101440261B (en) | 2007-11-22 | 2007-11-22 | Adhesive, coal car leaking stoppage material containing the same, and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710177922XA CN101440261B (en) | 2007-11-22 | 2007-11-22 | Adhesive, coal car leaking stoppage material containing the same, and preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101440261A CN101440261A (en) | 2009-05-27 |
| CN101440261B true CN101440261B (en) | 2010-08-18 |
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| CN200710177922XA Active CN101440261B (en) | 2007-11-22 | 2007-11-22 | Adhesive, coal car leaking stoppage material containing the same, and preparation thereof |
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| CN113087455B (en) * | 2021-04-07 | 2022-02-11 | 湘潭大学 | High liquid limit large pore structural soil and sample preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644641A (en) * | 2004-07-15 | 2005-07-27 | 袁宏伟 | White emulsion and production thereof |
| CN101037578A (en) * | 2007-04-30 | 2007-09-19 | 湖南神力实业有限公司 | Nano mildew-proof quick-drying white emulsion and preparation method thereof |
-
2007
- 2007-11-22 CN CN200710177922XA patent/CN101440261B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644641A (en) * | 2004-07-15 | 2005-07-27 | 袁宏伟 | White emulsion and production thereof |
| CN101037578A (en) * | 2007-04-30 | 2007-09-19 | 湖南神力实业有限公司 | Nano mildew-proof quick-drying white emulsion and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 程原,杜拴丽,徐留生.改性聚乙烯醇缩甲醛胶的合成.中国包装 1999年第1期.1999,(1999年第1期),100-101. * |
| 谢国豪,胡军辉,王和生.聚乙烯醇缩甲醛胶工艺的研究.上饶师范学院学报第21卷 第3期.2001,第21卷(第3期),第50-53页. * |
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| CN101440261A (en) | 2009-05-27 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Shenhua Changyun High-Tech Coal Blending Co., Ltd. Assignor: China Shenhua Energy Co., Ltd. Contract record no.: 2012110000066 Denomination of invention: Adhesive, coal car leaking stoppage material containing the same, and preparation thereof Granted publication date: 20100818 License type: Exclusive License Open date: 20090527 Record date: 20120514 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20090527 Assignee: Beijing Shenhua Changyun High-Tech Coal Blending Co., Ltd. Assignor: China Shenhua Energy Co., Ltd. Contract record no.: 2012110000066 Denomination of invention: Adhesive, coal car leaking stoppage material containing the same, and preparation thereof Granted publication date: 20100818 License type: Exclusive License Record date: 20120514 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |