CN102942665A - Low-temperature safety polyurethane injecting paste material for coal-rock mass reinforcement and preparation method thereof - Google Patents
Low-temperature safety polyurethane injecting paste material for coal-rock mass reinforcement and preparation method thereof Download PDFInfo
- Publication number
- CN102942665A CN102942665A CN2012105089972A CN201210508997A CN102942665A CN 102942665 A CN102942665 A CN 102942665A CN 2012105089972 A CN2012105089972 A CN 2012105089972A CN 201210508997 A CN201210508997 A CN 201210508997A CN 102942665 A CN102942665 A CN 102942665A
- Authority
- CN
- China
- Prior art keywords
- parts
- coal
- low
- component
- injecting paste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention provides a low-temperature safety polyurethane injecting paste material for coal-rock mass reinforcement and a preparation method thereof, and belongs to the field of polyurethane compositions. The material consists of a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 100 parts of polyether polyol, 0.2 to 2.0 parts of catalyst, 0 to 5 parts of antistatic agent, and 20 to 30 parts of flame retardant; and the component B comprises the following raw materials in parts by weight: 70 to 90 parts of polyisocyanates, 5 to 20 parts of pre-polymer, and 5 to 10 parts of viscosity reducer. The preparation method comprises the following steps of: (1) preparation of the component A, namely mixing the raw materials of the component A for later use; and (2) preparation of the component B, namely mixing the raw materials of the component B, and performing nitrogen displacement for later use. The low-temperature safety polyurethane injecting paste material has the advantages of flame retardant and antistatic performances, high adhered strength, strong shearing resistance and high toughness. The preparation method is simple and practical, has low requirements on production equipment and staff, and is short in production cycle; and according to the whole process, three wastes are not produced, and the environment and health of workers are not influenced.
Description
Technical field
The invention belongs to the polyurethane composition field, be specifically related to a kind of coal and rock and reinforce with low-temperature safety type polyurethane injecting paste material and preparation method thereof.
Background technology
In the coal production process, the complex geological condition of production efficiency usually occurs greatly affecting, coal seam and country rock often are subject to the impacts such as tomography, recovery pressure, cause fragmentation, distortion, under heavily stressed, strong mining influence, the potential safety hazard such as produce slip, crackle, subside.Grouting and reinforcing is very effective aspect the reinforcing of solution broken coal (rock) body.The principle of grouting and reinforcing is the crack that utilizes in the slurries filling country rock, and the coal and rock of fragmentation is fixed, improves the country rock bulk strength, thereby strengthens self ability to bear.The factor that affects grouting consolidation effect is a lot, mainly contains injecting paste material kind, boring deployment scenarios and construction parameter and selects.
Consolidation grouting material commonly used is polyurethane material, and this type of strengthening agent has that viscosity is low, time of coagulation is adjustable, free from environmental pollution, resistance to chemical attack, fixed rear intensity is large and the advantage such as certain toughness is arranged.But at present conventional polyurethanes injecting paste material flame retardant properties commonly used is limited, and when a large amount of slip casting, can produce the heat build-up effect, and internal reaction temperature is high, and the phenomenons such as that a large amount of uses may cause is heartburn, spontaneous combustion cause potential safety hazard.
Summary of the invention
The purpose of this invention is to provide a kind of coal and rock and reinforce with low-temperature safety type polyurethane injecting paste material, have fire-retardant and antistatic property, bonding rear intensity is high, shear resistant reaches by force good toughness, and is shock-resistant, acid and alkali-resistance.Raw material is green simultaneously, and is pollution-free, satisfies use and the environmental requirement of colliery reinforcement material fully.
The present invention also provides a kind of coal and rock to reinforce preparation method with low-temperature safety type polyurethane injecting paste material simultaneously, and is simple, production unit and personnel required low, with short production cycle, and whole process does not produce the three wastes, does not affect environment and workers ' health.
Coal and rock of the present invention is reinforced with low-temperature safety type polyurethane injecting paste material, formed by A, B two component components, wherein:
The A component raw material is counted according to parts by weight:
The B component raw material is for counting by weight:
Polyisocyanates: 70～90 parts
Prepolymer: 5～20 parts
Viscosity-depression agent: 5～10 parts
Wherein, polyether glycol A is the polyoxypropylene polyol of 3～4 functionality, molecular weight 300～500 in the described A component; Polyether glycol B is that 2～3 functionality, molecular weight are 150～300 polyoxypropylene polyol, and polyether glycol A and B are the main base-materials of reinforcement material.
Catalyzer is organo-metallic class catalyzer in the described A component, and the isocaprylic acid of preferred dibutyl alkene dilaurate or massfraction 10～20% is plumbous.
Static inhibitor is that Chinese Shanghai opens the AT-21 that the light industry and trade is produced in the described A component, or other company's static inhibitor products.
Described fire retardant is the phosphoric acid ester fire retardant, one or both arbitrary combination in preferably phosphoric acid trichlorine propyl ester or the methyl-phosphoric acid dimethyl ester.
Polyisocyanates is wherein one or more arbitrary combination of poly methylene poly phenyl poly isocyanate PM200, poly methylene poly phenyl poly isocyanate 44v20 or poly methylene poly phenyl poly isocyanate M20S in the described B component raw material.Wherein, PM200 is that Yantai Wanhua Polyurethane Co., Ltd produces, and 44v20 is that Beyer Co., Ltd produces, and M20S is that BASF AG produces.
Prepolymer is the prepolymer synthetic take polyoxypropylene polyol PPG and diphenylmethanediisocyanate MDI as raw material in the described B component raw material, one or both combinations among the preferred Shandong large Nowe urethane DT1340 of company in east or the D1345.
Viscosity-depression agent is dibutyl phthalate (DBP) in the described B component.
Coal and rock of the present invention is reinforced with low-temperature safety type polyurethane injecting paste material, in use, mixes according to the weight ratio of A:B=1:1, injects the curing of crack to be reinforced or cavity and gets final product.
Inject the urethane injecting paste material and adopt pneumatic or electronic Double-liquid mud-injection pump.
Coal and rock of the present invention is reinforced the preparation method with low-temperature safety type polyurethane injecting paste material, and concrete steps are as follows:
(1) preparation of A component material: polyether glycol A, polyether glycol B, catalyzer, static inhibitor, fire retardant are added reactor, mixed under the room temperature 1～2 hour, the qualified rear discharging of sampling Detection packs;
(2) preparation of B component material: polyisocyanates, prepolymer, viscosity-depression agent are added reactor, mixed under the room temperature condition 1～2 hour, the qualified rear discharging of sampling Detection, nitrogen replacement packing.
The present invention compared with prior art has following beneficial effect:
(1) material viscosity low (range of viscosities of two component A material and B material is 200 ~ 500mPa.s/25 ℃), good fluidity, it is inner to be penetrated into broken coal petrography, and curing speed is adjustable, and the reaction thermal value is low, and workability is good.
(2) raw material and finished product environmental protection are pollution-free, do not have volatile solvent, do not produce any toxic gas, and be harmless.
(3) good with broken coal petrography cohesiveness, cohesive strength 4 ~ 5mPa, concretion body strength is high, and resistance to compression obviously improves the coal petrography anchorage force more than 60mPa; Induration has certain toughness simultaneously.
(4) material preparation method of the present invention is simple, production unit and personnel is required low, with short production cycle, and whole process does not produce the three wastes, does not affect environment and workers ' health.
Embodiment
The present invention will be further described below in conjunction with embodiment.
Embodiment 1:
(1) preparation of A component
Polyether glycol A (4 functionality with accurate-metering, molecular weight 430) 85 parts, polyether glycol B (3 functionality, molecular weight 170) 15 parts, catalyzer dibutyl alkene dilaurate T-12(US Air gasification worker) 20 parts of 0.5 part, 5 parts of static inhibitor AT-21 (light is opened in Shanghai) and fire retardant trichloropropyl phosphate TCPP (the refined gram in Jiangsu), drop in the reactor, mix 2 hours, discharging after the sampling Detection, pack;
(2) preparation of B component
With 80 parts of poly methylene poly phenyl poly isocyanate PM200, the prepolymer DT1340(PPG/MDI of accurate-metering series prepolymer, Shandong Dongda Yinuowei Polyurethane Co.Ltd) 7 parts of 13 parts, viscosity-depression agent DBP (Zhejiang Jiande Jianye Organic Chemical Co.ltd); Pack in the reactor, mix 2 hours, discharging, nitrogen replacement packing.
Get A, each 100g of B component according to the A:B=1:1 weight ratio, mix and make induration, the testing product index as shown in Table 1:
Table one product index
During use, according to the A component: the weight ratio of B component=1:1, injecting with grouting pump needs reinforcing coal (rock) body to get final product after cured.
Embodiment 2:
1. the preparation of A component
Polyether glycol A(3 functionality with accurate-metering, molecular weight 450) 65 part, polyether glycol B(2 functionality, molecular weight 270) 35 part, 20 parts of plumbous (10%) 0.3 part of catalyzer isocaprylic acid, 5 parts of static inhibitor AT-21 (the light industry and trade is opened in Shanghai) and fire retardant trichloropropyl phosphate TCPP (Jiangsu Yoke Technology Co., Ltd.), 10 parts of fire retardant methyl-phosphoric acid dimethyl ester DMMP (the Qingdao connection beautifies worker company limited); Add in the reactor, mix 1 hour, discharging, pack;
2. the preparation of B component
With poly methylene poly phenyl poly isocyanate 44v2078 part of accurate-metering, prepolymer D1345 and DT1340(PPG/MDI series prepolymer, Shandong Dongda Yinuowei Polyurethane Co.Ltd) 10 parts of 12 parts, viscosity-depression agent DBP (Zhejiang Jiande Jianye Organic Chemical Co.ltd); Pack in the reactor, mix 2 hours, discharging, nitrogen replacement packing.
Get A, each 100g of B component according to the A:B=1:1 weight ratio, mix and make induration, testing product index such as table two.
Table two product index
During use, according to the A component: the weight ratio of B component=1:1, inject the crack and the cavity that need to reinforce with grouting pump and get final product after cured.
Embodiment 3:
1. the preparation of A component
Polyether glycol A (4 functionality with accurate-metering, molecular weight 430) 75 parts, polyether glycol B (3 functionality, molecular weight 170) 25 parts, catalyzer dibutyl alkene dilaurate T-12(US Air gasification worker) 20 parts of 1.5 parts, fire retardant trichloropropyl phosphate TCPP (the refined gram in Jiangsu), 10 parts of fire retardant methyl-phosphoric acid dimethyl ester DMMP (the Qingdao connection beautifies worker company limited), drop in the reactor, mix 2 hours, discharging after the sampling Detection, pack.
2. the preparation of B component
With 78 parts of poly methylene poly phenyl poly isocyanate M20S, the prepolymer D1345(PPG/MDI of accurate-metering series prepolymer, Shandong Dongda Yinuowei Polyurethane Co.Ltd) 10 parts of 6 parts and viscosity-depression agent DBP (Zhejiang Jiande Jianye Organic Chemical Co.ltd); Pack in the reactor, mix 2 hours, discharging, nitrogen replacement packing.
Get A, each 100g of B component according to the A:B=1:1 weight ratio, mix and make induration, testing product index such as table three.
Table three products index
During use, according to the A component: the weight ratio of B component=1:1, inject the crack and the cavity that need to reinforce with grouting pump and get final product after cured.
Claims (10)
1. a coal and rock is reinforced with low-temperature safety type polyurethane injecting paste material, it is characterized in that be comprised of A, B two components: the A component raw material is counted by weight:
Wherein, polyether glycol A and polyether glycol B component gross weight umber are 100 parts.
The B component raw material is counted by weight:
Polyisocyanates: 70～90 parts
Prepolymer: 5～20 parts
Viscosity-depression agent: 5～10 parts.
2. coal and rock according to claim 1 is reinforced with low-temperature safety type polyurethane injecting paste material, it is characterized in that polyether glycol A is the polyoxypropylene polyol of 3～4 functionality, molecular weight 300 ~ 500; Polyether glycol B is that 2 ~ 3 functionality, molecular weight are 150 ~ 300 polyoxypropylene polyol.
3. coal and rock according to claim 1 is reinforced with low-temperature safety type polyurethane injecting paste material, it is characterized in that, catalyzer is that dibutyl alkene dilaurate or massfraction are 10～20% isocaprylic acid lead.
4. coal and rock according to claim 1 is reinforced with low-temperature safety type polyurethane injecting paste material, it is characterized in that static inhibitor is AT21.
5. coal and rock according to claim 1 is reinforced with low-temperature safety type polyurethane injecting paste material, and its feature exists, and fire retardant is wherein one or both arbitrary combination of trichloropropyl phosphate or methyl-phosphoric acid dimethyl ester.
6. coal and rock according to claim 1 is reinforced with low-temperature safety type polyurethane injecting paste material, it is characterized in that polyisocyanates is wherein one or more arbitrary combination of poly methylene poly phenyl poly isocyanate PM200, poly methylene poly phenyl poly isocyanate 44v20 or poly methylene poly phenyl poly isocyanate M20S.
7. coal and rock according to claim 1 is reinforced with low-temperature safety type polyurethane injecting paste material, it is characterized in that, prepolymer is that polyoxypropylene polyol PPG and diphenylmethanediisocyanate MDI are synthetic, and viscosity-depression agent is dibutyl phthalate.
8. coal and rock according to claim 7 is reinforced with low-temperature safety type polyurethane injecting paste material, it is characterized in that prepolymer is one or both combinations among DT1340 or the D1345.
9. coal and rock according to claim 1 is reinforced with low-temperature safety type polyurethane injecting paste material, it is characterized in that, in use, mixes according to the weight ratio of A:B=1:1, injects crack to be reinforced or cavity and gets final product.
10. coal and rock according to claim 1 is reinforced the preparation method with low-temperature safety type polyurethane injecting paste material, it is characterized in that step is as follows:
(1) preparation of A component material: polyether glycol A, polyether glycol B, catalyzer, static inhibitor and fire retardant are added reactor, mixed under the room temperature 1 ~ 2 hour, for subsequent use;
(2) preparation of B component material: polyisocyanates, prepolymer and viscosity-depression agent are added reactor, mixed under the room temperature condition 1 ~ 2 hour, the qualified rear discharging of sampling Detection, nitrogen replacement packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210508997.2A CN102942665B (en) | 2012-12-03 | 2012-12-03 | Low-temperature safety polyurethane injecting paste material for coal-rock mass reinforcement and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210508997.2A CN102942665B (en) | 2012-12-03 | 2012-12-03 | Low-temperature safety polyurethane injecting paste material for coal-rock mass reinforcement and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102942665A true CN102942665A (en) | 2013-02-27 |
| CN102942665B CN102942665B (en) | 2014-08-13 |
Family
ID=47725672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210508997.2A Active CN102942665B (en) | 2012-12-03 | 2012-12-03 | Low-temperature safety polyurethane injecting paste material for coal-rock mass reinforcement and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102942665B (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265679A (en) * | 2013-05-15 | 2013-08-28 | 陕西煤业化工技术研究院有限责任公司 | Epoxy modified polyurethane composition for coal stratum reinforcement and preparation method thereof |
| CN103408721A (en) * | 2013-08-26 | 2013-11-27 | 大同煤矿集团有限责任公司 | High polymer chemistry coal and rock mass reinforcer for coal mines |
| CN103525079A (en) * | 2013-10-10 | 2014-01-22 | 河南理工大学 | Composite grouting sealing material and preparation method thereof |
| CN103788325A (en) * | 2014-01-24 | 2014-05-14 | 胡相明 | Reinforced efficient, inflaming retarding and antistatic composite material for mining |
| CN104311770A (en) * | 2014-09-30 | 2015-01-28 | 洛阳贝隆实业有限公司 | High-water-resistance polyurethane material for coal mine downhole gas sealing and preparation method thereof |
| CN104327491A (en) * | 2014-09-30 | 2015-02-04 | 洛阳贝隆实业有限公司 | Low-reaction-exothermicity polyurethane material used in underground coal mine seal gas and preparation method |
| CN104327240A (en) * | 2014-09-30 | 2015-02-04 | 洛阳贝隆实业有限公司 | High-foaming-ratio high-pore-closing-rate polyurethane material used in underground coal mine seal gas and preparation method |
| CN104479097A (en) * | 2014-12-30 | 2015-04-01 | 上海东大化学有限公司 | Raw material combination combined by polyether and polyurethane reinforcement materials and preparing method thereof |
| CN105175673A (en) * | 2015-06-18 | 2015-12-23 | 山西誉邦科技有限公司 | Coal mine high-water-content and low-heat-generation polyurethane filling material and preparation method thereof |
| CN105330814A (en) * | 2014-08-06 | 2016-02-17 | 上海茨夫新型建筑材料有限公司 | Polyurethane reinforcing material for reinforcing coal and rock mass in coal mine |
| CN105503108A (en) * | 2015-12-11 | 2016-04-20 | 河南理工大学 | Composite type ultrahigh water filling material and preparation method thereof |
| CN106750095A (en) * | 2016-12-05 | 2017-05-31 | 上海东大聚氨酯有限公司 | Polyurethane adhesive combined polyether, polyurethane adhesive and preparation method thereof |
| CN106750160A (en) * | 2016-12-02 | 2017-05-31 | 上海东大聚氨酯有限公司 | A kind of highway reparation polyurethane raw material composition and its application method |
| CN106893072A (en) * | 2015-12-17 | 2017-06-27 | 中国铁道科学研究院铁道建筑研究所 | Subgrade strengthening polyurethane injection slurry and preparation method thereof |
| CN108148169A (en) * | 2018-01-11 | 2018-06-12 | 阳泉煤业（集团）有限责任公司 | A kind of polyurethane material and preparation method thereof |
| CN108659201A (en) * | 2018-06-08 | 2018-10-16 | 北京中煤矿山工程有限公司 | Anti- well drilling machine reaming construction broken formation gib material |
| CN108868828A (en) * | 2018-07-11 | 2018-11-23 | 河南理工大学 | It is a kind of for being crushed the interface adhesive and preparation method thereof of coal body reinforcing |
| CN110041494A (en) * | 2019-05-14 | 2019-07-23 | 山东科技大学 | A kind of environmental protection flame retardant high bonding modified polyurethane injecting paste material |
| CN111217978A (en) * | 2020-03-26 | 2020-06-02 | 中煤科工集团重庆研究院有限公司 | Method for reducing dosage of organic grouting reinforcement material polymeric MDI and product thereof |
| CN114395097A (en) * | 2021-12-13 | 2022-04-26 | 山东一诺威新材料有限公司 | Bi-component flame-retardant polyurethane material for reinforcing underground roadway and preparation method thereof |
| CN116003737A (en) * | 2022-12-27 | 2023-04-25 | 安徽理工大学 | Low-heat-release polyurethane modified grouting material and preparation method thereof |
| CN116023625A (en) * | 2023-03-29 | 2023-04-28 | 煤炭科学技术研究院有限公司 | MDI-50 type bi-component polyurethane grouting reinforcement material and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040825A (en) * | 2010-09-10 | 2011-05-04 | 山东东大一诺威聚氨酯有限公司 | Polyurethane reinforced plugging agent for coal beds and preparation method thereof |
| CN102532454A (en) * | 2011-12-22 | 2012-07-04 | 山东东大一诺威新材料有限公司 | Permanent reinforcement polyurethane material used in coal mine and preparation method thereof |
| CN102558498A (en) * | 2012-01-04 | 2012-07-11 | 山西兆信生物科技有限公司 | Polyurethane reinforcing and filling materials for coal mine |
-
2012
- 2012-12-03 CN CN201210508997.2A patent/CN102942665B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040825A (en) * | 2010-09-10 | 2011-05-04 | 山东东大一诺威聚氨酯有限公司 | Polyurethane reinforced plugging agent for coal beds and preparation method thereof |
| CN102532454A (en) * | 2011-12-22 | 2012-07-04 | 山东东大一诺威新材料有限公司 | Permanent reinforcement polyurethane material used in coal mine and preparation method thereof |
| CN102558498A (en) * | 2012-01-04 | 2012-07-11 | 山西兆信生物科技有限公司 | Polyurethane reinforcing and filling materials for coal mine |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265679A (en) * | 2013-05-15 | 2013-08-28 | 陕西煤业化工技术研究院有限责任公司 | Epoxy modified polyurethane composition for coal stratum reinforcement and preparation method thereof |
| CN103408721A (en) * | 2013-08-26 | 2013-11-27 | 大同煤矿集团有限责任公司 | High polymer chemistry coal and rock mass reinforcer for coal mines |
| CN103525079A (en) * | 2013-10-10 | 2014-01-22 | 河南理工大学 | Composite grouting sealing material and preparation method thereof |
| CN103788325A (en) * | 2014-01-24 | 2014-05-14 | 胡相明 | Reinforced efficient, inflaming retarding and antistatic composite material for mining |
| CN105330814A (en) * | 2014-08-06 | 2016-02-17 | 上海茨夫新型建筑材料有限公司 | Polyurethane reinforcing material for reinforcing coal and rock mass in coal mine |
| CN104327491B (en) * | 2014-09-30 | 2018-08-17 | 洛阳贝隆实业有限公司 | A kind of exothermic polyurethane material of low reaction and preparation method for underground coal mine sealing gas |
| CN104327240A (en) * | 2014-09-30 | 2015-02-04 | 洛阳贝隆实业有限公司 | High-foaming-ratio high-pore-closing-rate polyurethane material used in underground coal mine seal gas and preparation method |
| CN104327491A (en) * | 2014-09-30 | 2015-02-04 | 洛阳贝隆实业有限公司 | Low-reaction-exothermicity polyurethane material used in underground coal mine seal gas and preparation method |
| CN104311770B (en) * | 2014-09-30 | 2018-06-19 | 洛阳贝隆实业有限公司 | A kind of high waterproof polyurethane material and preparation method for underground coal mine sealing gas |
| CN104327240B (en) * | 2014-09-30 | 2018-07-03 | 洛阳贝隆实业有限公司 | A kind of polyurethane material and preparation method of the high rate of closed hole of underground coal mine sealing gas high foamability |
| CN104311770A (en) * | 2014-09-30 | 2015-01-28 | 洛阳贝隆实业有限公司 | High-water-resistance polyurethane material for coal mine downhole gas sealing and preparation method thereof |
| CN104479097A (en) * | 2014-12-30 | 2015-04-01 | 上海东大化学有限公司 | Raw material combination combined by polyether and polyurethane reinforcement materials and preparing method thereof |
| CN104479097B (en) * | 2014-12-30 | 2017-04-05 | 上海东大化学有限公司 | A kind of combined polyether, the feedstock composition of polyurethane reinforcement material and preparation method |
| CN105175673A (en) * | 2015-06-18 | 2015-12-23 | 山西誉邦科技有限公司 | Coal mine high-water-content and low-heat-generation polyurethane filling material and preparation method thereof |
| CN105175673B (en) * | 2015-06-18 | 2018-07-03 | 山西誉邦科技有限公司 | A kind of low polyurethane filler and preparation method thereof that generates heat of coal mine high water content |
| CN105503108A (en) * | 2015-12-11 | 2016-04-20 | 河南理工大学 | Composite type ultrahigh water filling material and preparation method thereof |
| CN106893072A (en) * | 2015-12-17 | 2017-06-27 | 中国铁道科学研究院铁道建筑研究所 | Subgrade strengthening polyurethane injection slurry and preparation method thereof |
| CN106750160A (en) * | 2016-12-02 | 2017-05-31 | 上海东大聚氨酯有限公司 | A kind of highway reparation polyurethane raw material composition and its application method |
| CN106750160B (en) * | 2016-12-02 | 2019-06-25 | 上海东大聚氨酯有限公司 | A kind of highway reparation polyurethane raw material composition and its application method |
| CN106750095A (en) * | 2016-12-05 | 2017-05-31 | 上海东大聚氨酯有限公司 | Polyurethane adhesive combined polyether, polyurethane adhesive and preparation method thereof |
| CN108148169A (en) * | 2018-01-11 | 2018-06-12 | 阳泉煤业（集团）有限责任公司 | A kind of polyurethane material and preparation method thereof |
| CN108659201A (en) * | 2018-06-08 | 2018-10-16 | 北京中煤矿山工程有限公司 | Anti- well drilling machine reaming construction broken formation gib material |
| CN108868828A (en) * | 2018-07-11 | 2018-11-23 | 河南理工大学 | It is a kind of for being crushed the interface adhesive and preparation method thereof of coal body reinforcing |
| CN110041494A (en) * | 2019-05-14 | 2019-07-23 | 山东科技大学 | A kind of environmental protection flame retardant high bonding modified polyurethane injecting paste material |
| CN111217978A (en) * | 2020-03-26 | 2020-06-02 | 中煤科工集团重庆研究院有限公司 | Method for reducing dosage of organic grouting reinforcement material polymeric MDI and product thereof |
| CN114395097A (en) * | 2021-12-13 | 2022-04-26 | 山东一诺威新材料有限公司 | Bi-component flame-retardant polyurethane material for reinforcing underground roadway and preparation method thereof |
| CN114395097B (en) * | 2021-12-13 | 2023-12-12 | 山东一诺威新材料有限公司 | Double-component flame-retardant polyurethane material for reinforcing underground roadway and preparation method thereof |
| CN116003737A (en) * | 2022-12-27 | 2023-04-25 | 安徽理工大学 | Low-heat-release polyurethane modified grouting material and preparation method thereof |
| CN116003737B (en) * | 2022-12-27 | 2024-05-14 | 安徽理工大学 | Low-heat-release polyurethane modified grouting material and preparation method thereof |
| CN116023625A (en) * | 2023-03-29 | 2023-04-28 | 煤炭科学技术研究院有限公司 | MDI-50 type bi-component polyurethane grouting reinforcement material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102942665B (en) | 2014-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102942665B (en) | Low-temperature safety polyurethane injecting paste material for coal-rock mass reinforcement and preparation method thereof | |
| CN103304984B (en) | Inorganic modified polyurethane grouting material and preparation method thereof | |
| CN104558514B (en) | A kind of high-strength polyurethane modified Portland slip casting strengthening material and its preparation method and application | |
| CN103304771B (en) | Polyurethane reinforced material and preparation method thereof | |
| CN102964565A (en) | Silicate modified polyurethane high molecular material and preparation method thereof | |
| CN102925049B (en) | Flame-retardant polyurethane spray-coating sealing material and preparation method thereof | |
| CN104045807B (en) | A kind of environment-protecting polyurethane water reinforcement material and preparation method thereof | |
| CN102532455B (en) | Polyurethane polymer material for coal rock mass reinforcement and preparation method thereof | |
| CN102718462B (en) | Chemical grouting material for reinforcing loose and broken bedrock | |
| CN105175673B (en) | A kind of low polyurethane filler and preparation method thereof that generates heat of coal mine high water content | |
| CN102558498A (en) | Polyurethane reinforcing and filling materials for coal mine | |
| CN101649040B (en) | High flash point antiflaming type oil soluble polyurethane chemical grouting material | |
| CN105330814A (en) | Polyurethane reinforcing material for reinforcing coal and rock mass in coal mine | |
| CN104327491B (en) | A kind of exothermic polyurethane material of low reaction and preparation method for underground coal mine sealing gas | |
| CN102533089B (en) | Mineral polyurethane spraying material and preparation method thereof | |
| CN102492287B (en) | Preparation method of environment-friendly hydrophobic polyurethane grouting material | |
| CN103113079A (en) | Mine water glass reinforced water shutoff material | |
| CN103626951A (en) | Special engineering material for reinforcement and preparing method therefor | |
| CN104592485A (en) | Fire-retardant high-flexibility two-shot grouting material and preparation method thereof | |
| CN104277204A (en) | Polyurethane reinforced material for inorganic modified ores and preparation method thereof | |
| CN104311770A (en) | High-water-resistance polyurethane material for coal mine downhole gas sealing and preparation method thereof | |
| CN114349931B (en) | Modified silicate grouting reinforcement material and preparation method and application thereof | |
| CN104327240A (en) | High-foaming-ratio high-pore-closing-rate polyurethane material used in underground coal mine seal gas and preparation method | |
| CN109749052A (en) | Coal mine low halogen polyurethane water reinforcement material and preparation method thereof | |
| CN103172815B (en) | Raw material composition of modified polyurethane material, and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 255400 Shandong Province, Zibo city Linzi District South East Nanshan Road West five by ethylene Applicant after: SHANDONG INOV NEW MATERIAL CO., LTD. Address before: 255400 Shandong Province, Zibo city Linzi District South East Nanshan Road West five by ethylene Applicant before: Shandong Dongda Inov New Material Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHANDONG DONGDA INOV NEW MATERIAL CO., LTD. TO: SHANDONG INOV NEW MATERIAL CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |