CN105399919A - High-performance polyurethane elastomer material for oil sand tube lining and preparation method thereof - Google Patents
High-performance polyurethane elastomer material for oil sand tube lining and preparation method thereof Download PDFInfo
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- CN105399919A CN105399919A CN201510771058.0A CN201510771058A CN105399919A CN 105399919 A CN105399919 A CN 105399919A CN 201510771058 A CN201510771058 A CN 201510771058A CN 105399919 A CN105399919 A CN 105399919A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a high-performance polyurethane elastomer material for an oil sand tube lining and a preparation method thereof. The high-performance polyurethane elastomer material is composed of a component A and a component B, wherein the component A is composed of polyether glycol a, polyether glycol b, methyl diphenylene diisocyanate MDI, an anti-hydrolysis stabilizing agent and a nano material; the component B is a chain extender component which is 3,3-dichloro-4,4-diphenylmethane diamine MOCA; and the molar ratio of the component A to the component B is 0.9-0.98. The high-performance polyurethane elastomer material has the advantages of hydrolysis resistance, high wear resistance and shock resistance.
Description
Technical field
The invention belongs to polyurethane elastomer material synthesis field, be specifically related to a kind of oil-sand pipe liner high-performance polyurethane elastomer material and preparation method thereof.
Background technology
Oil-sand is the main raw material(s) of refining processed oil, the fragmental products of veneer of crust or rock with wherein contained by water and the mixture that formed of pitch we be referred to as oil-sand.Oil-sand ore deposit mainly adopts opencast mode extraction in the world at present, and adopt pipeline to carry, strip mining transformation technical process is generally as follows: first by oil-sand digging out, rinse with high temperature alkaline solution after pulverizing, use filtration method separating oil and sand again, with whizzer separating oil and water, finally re-refine into oil product.
At present, the conveying of oil-sand mining process mainly relies on pipeline, due to the complexity of oil-sand composition, general, hydrolytic resistance wear-resisting, shock-resistant without lined steel pipe, liner polymer steel pipe, liner rubber steel pipe compares poor, will soon be worn out in use procedure, thus cause that cost for oil production strengthens, oil-production efficiency is low and oil-sand slurries leakage pollution environment.
Summary of the invention
The object of this invention is to provide a kind of hydrolysis, high abrasion, impact-resistant oil-sand pipe liner polyurethane elastomer material and preparation method thereof.
Technical solution of the present invention is:
A kind of oil-sand pipe liner high-performance polyurethane elastomer material, is made up of component A and B component, wherein: component A is calculated in mass percent:
Polyether glycol a:0 ~ 55%;
Polyether glycol b:0 ~ 90%;
Diphenylmethanediisocyanate MDI:5 ~ 45%;
Stabilisers against hydrolysis: 0.5 ~ 1.5%;
Nano material: 0.2 ~ 2%;
B component is chain extender component, and chain extender component is 3,3
,-two chloro-4,4
,-diphenylmethanediamiand MOCA; The mol ratio 0.9 ~ 0.98 of component A/B component.
Further improvement of the present invention is: polyether glycol a adopts Polyoxypropylene diol, and polyether glycol b adopts polytetramethylene ether diol, and the mass ratio between polyether glycol a and polyether glycol b is 0 ~ 55:0 ~ 90.
Further improvement of the present invention is: the molecular weight of polyether glycol a is 600 ~ 3000; The molecular weight of polyether glycol b is 1000 ~ 2000.
Further improvement of the present invention is: diphenylmethanediisocyanate is one or both mixture of MDI-100, MDI-50.
Further improvement of the present invention is: stabilisers against hydrolysis adopts carbodiimide derivative or epoxy compounds.
Further improvement of the present invention is: stabilisers against hydrolysis is monomer state carbodiimide, polymeric form carbodiimide, phenyl glycidyl ether.
Further improvement of the present invention is: nano material is one or more mixing in nanometer grade silica, calcium carbonate, polynite.
The oil-sand pipe liner preparation method of high-performance polyurethane elastomer material, comprises the following steps:
Preparation component A: first polyether glycol a and polyether glycol b, nano material are added reactor and be uniformly mixed 20 ~ 40min, feed liquid is warming up to 100 ~ 120 DEG C, vacuum hydro-extraction 1.5h, then add the stabilisers against hydrolysis measured, feed temperature controls to be uniformly mixed 1h at 120 DEG C, adds the MDI measured after cooling, temperature of reaction controls at 75 ~ 85 DEG C, reaction 3h, vacuum defoamation 30min, obtain the prepolymer a component of NCO end-blocking;
Preparation B component: 3,3
,-two chloro-4,4
,-diphenylmethanediamiand, melting is stand-by;
Prepared by polyurethane elastomer: component A temperature controlled at 75 ~ 85 DEG C, B component 110 ~ 120 DEG C, the mol ratio 0.95 of component A/B component, mixing is poured in mould, die temperature controls at 90 DEG C, the 40min demoulding after gel, then 110 ~ 120 DEG C of sulfuration 10 ~ 12h, obtain oil-sand pipe liner polyurethane elastomer material.
The present invention compared with prior art has the following advantages: (1) adopts relevant raw materials environmental protection, and pollution-free, low smell, does not produce any harmful by-products, harmless in production process, can meet environmental requirement completely; (2) the present invention is by adding resistant to hydrolysis auxiliary agent and nanometer reinforcing filler, chemically structure and physically modified improves hydrolysis and the wear resisting property of material; (3) the present invention is by raw-material ratio optimization, and feed liquid viscosity is rarer, and gel time is longer, and the production operation technique of oil-sand pipe liner can be made convenient.
After testing, performance index can reach the polyurethane elastomer material of gained of the present invention:
Hardness: 80 ~ 98A;
Density: 1.1 ~ 1.3g/cm
3;
Tear strength: 50 ~ 120KN/m;
Tensile strength: 30 ~ 60MPa;
Elongation at break: 220 ~ 550%;
Abrasion: 20 ~ 80mm
3;
Rebound resilience: 40 ~ 60%.
embodiment:
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and the following example only for explaining the present invention, does not form limiting the scope of the present invention.
A kind of oil-sand pipe liner high-performance polyurethane elastomer material, is made up of component A and B component, wherein: component A is calculated in mass percent:
Polyether glycol a:0 ~ 55%;
Polyether glycol b:0 ~ 90%;
Diphenylmethanediisocyanate MDI:5 ~ 45%;
Stabilisers against hydrolysis: 0.5 ~ 1.5%;
Nano material: 0.2 ~ 2%;
B component is chain extender component, and chain extender component is 3,3
,-two chloro-4,4
,-diphenylmethanediamiand MOCA; The mol ratio 0.9 ~ 0.98 of component A/B component.
Polyether glycol a adopts Polyoxypropylene diol, and polyether glycol b adopts polytetramethylene ether diol, and the mass ratio between polyether glycol a and polyether glycol b is 0 ~ 55:0 ~ 90.The molecular weight of polyether glycol a is 600 ~ 3000; The molecular weight of polyether glycol b is 1000 ~ 2000.Diphenylmethanediisocyanate is one or both mixture of MDI-100, MDI-50.Stabilisers against hydrolysis adopts carbodiimide derivative or epoxy compounds, as monomer state carbodiimide, polymeric form carbodiimide, phenyl glycidyl ether.Nano material is one or more mixing in nanometer grade silica, calcium carbonate, polynite.
The oil-sand pipe liner preparation method of high-performance polyurethane elastomer material, comprises the following steps:
Preparation component A: first polyether glycol a and polyether glycol b, nano material are added reactor and be uniformly mixed 20 ~ 40min, feed liquid is warming up to 100 ~ 120 DEG C, vacuum hydro-extraction 1.5h, then add the stabilisers against hydrolysis measured, feed temperature controls to be uniformly mixed 1h at 120 DEG C, adds the MDI measured after cooling, temperature of reaction controls at 75 ~ 85 DEG C, reaction 3h, vacuum defoamation 30min, obtain the prepolymer a component of NCO end-blocking;
Preparation B component: 3,3
,-two chloro-4,4
,-diphenylmethanediamiand MOCA, melting is stand-by;
Prepared by polyurethane elastomer: component A temperature controlled at 75 ~ 85 DEG C, B component 110 ~ 120 DEG C, the mol ratio 0.95 of component A/B component, mixing is poured in mould, die temperature controls at 90 DEG C, the 40min demoulding after gel, then 110 ~ 120 DEG C of sulfuration 10 ~ 12h, obtain oil-sand pipe liner polyurethane elastomer material.
Embodiment 1:
Preparation component A: weigh respectively molecular weight be 1000 Polyoxypropylene diol 200kg, molecular weight be 1000 polytetramethylene ether diol 800kg, nanometer grade calcium carbonate 5kg add mix and blend in reactor, temperature remains on 120 DEG C of vacuum hydro-extraction 1.5h, then stabilisers against hydrolysis monomer carbodiimide 5kg is added, temperature controls to stir 0.5h at 120 DEG C, be cooled to 70 DEG C, then 30.5kgMDI-50 and 10kgMDI-100 is added, temperature controls at 80 DEG C of reactions 2.5h, vacuum defoamation 0.5h;
B component: 120 DEG C of chloro-4,4-diphenylmethanediamiand MOCA of molten state 3,3-bis-;
By A/B mol ratio by 0.95 mix and blend, be poured in 90 DEG C of moulds, the demoulding after 30min, then 120 DEG C of postcure 10h, obtain oil-sand pipe liner polyurethane elastomer material, testing product performance index after three days.
Hardness: 94A;
Density: 1.23g/cm
3;
Tear strength: 108KN/m;
Tensile strength: 52MPa;
Elongation at break: 420%;
DIN wears away: 36mm
3;
Embodiment 2
Preparation component A: weigh respectively molecular weight be 1000 Polyoxypropylene diol 100kg, molecular weight be 1000 polytetramethylene ether diol 900kg, nanometer grade silica 5kg add mix and blend in reactor, temperature remains on 120 DEG C of vacuum hydro-extraction 1.5h, then stabilisers against hydrolysis monomer carbodiimide 5kg is added, temperature controls to stir 0.5h at 120 DEG C, be cooled to 70 DEG C, then 35.5kgMDI-50 and 2kgMDI-100 is added, temperature controls at 80 DEG C of reactions 2.5h, vacuum defoamation 0.5h;
B component: 120 DEG C of chloro-4,4-diphenylmethanediamiand MOCA of molten state 3,3-bis-;
By A/B mol ratio by 0.95 mixing, be poured in 90 DEG C of moulds, the demoulding after 30min, then 120 DEG C of postcure 10h, obtain oil-sand pipe liner polyurethane elastomer material, testing product performance index after three days.
Hardness: 90A;
Density: 1.21g/cm
3;
Tear strength: 115KN/m;
Tensile strength: 55MPa;
Elongation at break: 480%;
DIN wears away: 33mm
3;
Embodiment 3
Preparation component A: weigh respectively molecular weight be 1000 Polyoxypropylene diol 400kg, molecular weight be 1000 polytetramethylene ether diol 600kg, nanometer grade calcium carbonate 5kg add mix and blend in reactor, temperature remains on 120 DEG C of vacuum hydro-extraction 1.5h, then stabilisers against hydrolysis monomer state carbodiimide 5kg is added, temperature controls to stir 0.5h at 120 DEG C, be cooled to 70 DEG C, then 35.5kgMDI-50 and 2kgMDI-100 is added, temperature controls at 80 DEG C of reactions 2.5h, vacuum defoamation 0.5h;
B component: 120 DEG C of chloro-4,4-diphenylmethanediamiand MOCA of molten state 3,3-bis-;
A/B mol ratio 0.95 is mixed, is poured in 95 DEG C of moulds, the demoulding after 30min, then 120 DEG C of postcure 10h, obtain oil-sand pipe liner polyurethane elastomer material, product performance index.
Hardness: 88A;
Density: 1.21g/cm
3;
Tear strength: 105KN/m;
Tensile strength: 46MPa;
Unit elongation: 520%;
DIN wears away: 46mm
3.
Invention herein belongs to materials synthesis field, be specifically related to a kind of oil-sand pipe liner high-performance polyurethane elastomer material and preparation method thereof, a kind of A is provided, B two part polyurethane elastomer material and preparation method thereof, this material is mainly used in the inner lining material of oil-sand ore deposit transport pipe, it passes through polyether glycol, isocyanic ester, the selection of auxiliary agent and chainextender, add stabilisers against hydrolysis and Nano filling, inner lining material is made to be provided with excellent hydrolysis, high abrasion, high-impact, the low smell of relevant raw materials simultaneously, any harmful by-products is not produced in building-up process, the environmental requirement of realistic production operation and use.
Claims (8)
1. an oil-sand pipe liner high-performance polyurethane elastomer material, is characterized in that: be made up of component A and B component, wherein: component A is calculated in mass percent:
Polyether glycol a:0 ~ 55%;
Polyether glycol b:0 ~ 90%;
Diphenylmethanediisocyanate MDI:5 ~ 45%;
Stabilisers against hydrolysis: 0.5 ~ 1.5%;
Nano material: 0.2 ~ 2%;
B component is chain extender component, and chain extender component is 3,3 ,-two chloro-4,4 ,-diphenylmethanediamiand MOCA;
The mol ratio 0.9 ~ 0.98 of component A/B component.
2. oil-sand pipe liner high-performance polyurethane elastomer material according to claim 1, it is characterized in that: polyether glycol a adopts Polyoxypropylene diol, polyether glycol b adopts polytetramethylene ether diol, and the mass ratio between polyether glycol a and polyether glycol b is 0 ~ 55:0 ~ 90.
3. oil-sand pipe liner high-performance polyurethane elastomer material according to claim 1, is characterized in that: the molecular weight of polyether glycol a is 600 ~ 3000; The molecular weight of polyether glycol b is 1000 ~ 2000.
4. oil-sand pipe liner high-performance polyurethane elastomer material according to claim 1, is characterized in that: diphenylmethanediisocyanate is one or both the mixture in MDI-100, MDI-50.
5. oil-sand pipe liner high-performance polyurethane elastomer material according to claim 1, is characterized in that: stabilisers against hydrolysis is carbodiimide derivative or epoxy compounds.
6. oil-sand pipe liner high-performance polyurethane elastomer material according to claim 1, is characterized in that: stabilisers against hydrolysis is monomer state carbodiimide, polymeric form carbodiimide, phenyl glycidyl ether.
7. oil-sand pipe liner high-performance polyurethane elastomer material according to claim 1, is characterized in that: nano material is one or more mixing in nanometer grade silica, calcium carbonate, polynite.
8. prepare the preparation method of oil-sand pipe liner high-performance polyurethane elastomer material according to claim 1, it is characterized in that: comprise the following steps:
Preparation component A: first polyether glycol a and polyether glycol b, nano material are added reactor and be uniformly mixed 20 ~ 40min, feed liquid is warming up to 100 ~ 120 DEG C, vacuum hydro-extraction 1.5h, then add the stabilisers against hydrolysis measured, feed temperature controls to be uniformly mixed 1h at 120 DEG C, adds diphenylmethanediisocyanate after cooling, temperature of reaction controls at 75 ~ 85 DEG C, reaction 3h, vacuum defoamation 30min, obtain the prepolymer a component of NCO end-blocking;
Preparation B component: 3,3
,-two chloro-4,4
,-diphenylmethanediamiand, melting is stand-by;
Prepared by polyurethane elastomer: component A temperature controlled at 75 ~ 85 DEG C, B component 110 ~ 120 DEG C, the mol ratio 0.95 of component A/B component, mixing is poured in mould, die temperature controls at 90 DEG C, the 40min demoulding after gel, then 110 ~ 120 DEG C of sulfuration 10 ~ 12h, obtain oil-sand pipe liner polyurethane elastomer material.
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| CN201510771058.0A CN105399919A (en) | 2015-11-12 | 2015-11-12 | High-performance polyurethane elastomer material for oil sand tube lining and preparation method thereof |
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| CN201510771058.0A CN105399919A (en) | 2015-11-12 | 2015-11-12 | High-performance polyurethane elastomer material for oil sand tube lining and preparation method thereof |
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Cited By (2)
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| CN107739426A (en) * | 2017-10-30 | 2018-02-27 | 南通虹波工程装备有限公司 | A kind of polyurethane slurry delivery pump inner lining material and preparation method thereof |
| CN110885423A (en) * | 2019-11-26 | 2020-03-17 | 中交上海航道装备工业有限公司 | Rubber pad with tooth pins and preparation method thereof |
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| CN110885423A (en) * | 2019-11-26 | 2020-03-17 | 中交上海航道装备工业有限公司 | Rubber pad with tooth pins and preparation method thereof |
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Application publication date: 20160316 |