CN107739426A - A kind of polyurethane slurry delivery pump inner lining material and preparation method thereof - Google Patents
A kind of polyurethane slurry delivery pump inner lining material and preparation method thereof Download PDFInfo
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- CN107739426A CN107739426A CN201711033262.8A CN201711033262A CN107739426A CN 107739426 A CN107739426 A CN 107739426A CN 201711033262 A CN201711033262 A CN 201711033262A CN 107739426 A CN107739426 A CN 107739426A
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- China
- Prior art keywords
- component
- inner lining
- lining material
- polyurethane
- delivery pump
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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
-
- 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
-
- 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
-
- 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
- C08G18/6696—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Abstract
The present invention relates to a kind of high polymer material in slurry delivery pump inner lining material and preparation method thereof, is synthesized by component A performed polymer and B component chain extender reaction, prepares component A；Prepare B component；Prepare polyurethane slag delivery pump inner lining material：Component A is poured into mould rapidly after being sufficiently mixed with B component, and mold temperature is controlled at 100 DEG C, and 60min is stripped after gel, and the liner after the demoulding is then put into vulcanization storehouse, 110~120 DEG C of 10~12h of vulcanization of temperature control, produces Pulp pump polyurethane inner lining material.Production process of the present invention is without the pollutant emissions such as waste water, waste residue, waste gas, ecological, environmental protective；Pulp pump liner casting process is formed in one technique, relative to the attaching process and potassium steel bead-welding technology of rubber liner, polyurethane liner production process is more easy to operate, total cost account, polyurethane inner lining material cost performance is higher, has good economic benefit and promotional value.
Description
Technical field
The present invention relates to application of the high polymer material in Pulp pump liner, and in particular to polyurethane Pulp pump liner, category
In polymeric material field.
Background technology
Slurry delivery pump is mainly used in the course of conveying of mortar, mortar, Tailings Slurry, slag etc., containing not in slurry
It is a kind of solidliquid mixture with size solid particle and corrosive liquid, Pulp pump is more satisfactory conveying equipment, industry
Tailings transportation is widely used in production, river course reservoir takes out sand, reclaims fields from the sea, the conveying of electric power ash transfer, metallurgy industry
The industry fields such as slag.
Contain solid particle and corrosive liquids in dreg slurry, wear-resisting and anti-corrosion is required to pump housing liner, pump housing liner is
Main abrading section, the main material of pump housing liner is rubber and potassium steel at present, and polyurethane liner is relative to rubber and Gao Meng
Steel lining, has the advantages that small density, high abrasion, hydrolysis, corrosion-resistant, transfer efficiency is high, long lifespan, is to substitute rubber and height
The preferable inner lining material of manganese steel.
The content of the invention
For overcome the deficiencies in the prior art, there is provided one kind saves Master Cost, improves continuous production ability, ecology
Environmental protection；Structure is more sturdy and durable, and density is small, high abrasion, a kind of poly- ammonia that corrosion-resistant, noise is small, efficiency high, service life are grown
Ester slurry delivery pump inner lining material and preparation method thereof.
The purpose of the present invention is achieved through the following technical solutions：A kind of polyurethane slurry delivery pump inner lining material, by A groups
Divide performed polymer and the synthesis of B component chain extender reaction, wherein：Component A performed polymer is calculated in mass percent：Polyoxypropyleneglycol
（PPG,Mn=2000）:10~40%, polytetramethylene ether diol (PTMG, Mn=2000):20~60% and toluene diisocynate
Ester（TDI-100, Mn=174）：5~25%；B component is chain extender component, is 3,3 ,-two chloro- 4,4 ,-diphenylmethanediamiand
（MOCA）, the mol ratio of the component A and B component is 0.92~0.96.
A kind of preparation method of polyurethane slurry delivery pump inner lining material, comprises the following steps：
1）Prepare component A：First the polyoxypropyleneglycol measured, polytetramethylene ether diol are added in reactor, added
Heat is warming up to 100~120 DEG C, is stirred under vacuum dehydration 2h, is cooled to the toluene di-isocyanate(TDI) for adding and measuring after 80 DEG C, reacts
Temperature control reacts 3h, vacuum defoamation 30min, produces component A at 75~85 DEG C；
2）Prepare B component：By 3,3 ,-two chloro- 4,4 ,-diphenylmethanediamiand（MOCA）Melt stand-by；
3）Prepare polyurethane slag delivery pump inner lining material：By component A temperature control at 75~85 DEG C, 110~120 DEG C of B component,
The component A is poured into mould rapidly after being sufficiently mixed with B component, and mold temperature is controlled at 100 DEG C, and 60min takes off after gel
Mould, the liner after the demoulding is then put into vulcanization storehouse, 110~120 DEG C of 10~12h of vulcanization of temperature control, produces the poly- ammonia of Pulp pump
Ester inner lining material.
Further improvement of the present invention is：The mol ratio of the component A and B component is 0.95.
The present invention has the characteristics that compared with prior art：
（1）Polyurethane slurry delivery pump liner produced by the present invention, density is small, high abrasion, corrosion-resistant, noise is small, efficiency high, makes
With long lifespan, compared with potassium steel liner and rubber liner, Master Cost is saved, improves continuous production ability；
（2）Production process of the present invention is without the pollutant emissions such as waste water, waste residue, waste gas, ecological, environmental protective；
（3）Polyurethane slurry delivery pump liner casting process is formed in one technique, relative to rubber liner attaching process and
Potassium steel bead-welding technology, polyurethane liner production process is more easy to operate, and structure is more sturdy and durable.
（4）Total cost account, relative to rubber and high manganese steel material, polyurethane liner cost performance is higher, has good
Promotional value.
After testing, performance indications can reach the Pulp pump polyurethane liner of gained of the invention：Hardness：It is 70~75A, close
Degree：1.1~1.3g/cm3, tearing strength：30~120MPA, tensile strength：10~50MPa, disconnected elongation：550~1200%,
DIN is worn away：40~130mm3, resilience：50~60%.
Brief description of the drawings：
Fig. 1 component A synthesis process flow diagrams；
Liner in pouring synthesis process flow diagram in Fig. 2 pumps；
Embodiment：
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, the implementation
Example is only used for explaining the present invention, is not intended to limit the scope of the present invention..
A kind of embodiment of polyurethane slurry delivery pump inner lining material as shown in Figure 1-2 and preparation method thereof：
A kind of polyurethane slurry delivery pump inner lining material, is synthesized by component A performed polymer and B component chain extender reaction, wherein：Component A is pre-
Aggressiveness is calculated in mass percent：Polyoxypropyleneglycol（PPG,Mn=2000）:10~40%, polytetramethylene ether diol
(PTMG, Mn=2000):20~60% and toluene di-isocyanate(TDI)（TDI-100, Mn=174）：5~25%；B component is chain extender
Component, it is 3,3 ,-two chloro- 4,4 ,-diphenylmethanediamiand（MOCA）, the mol ratio of the component A and B component is 0.92,
0.93rd, 0.94,0.95 or 0.96.
A kind of preparation method of polyurethane slurry delivery pump inner lining material, comprises the following steps：
Prepare component A performed polymer：The Polyoxypropylene diol 500kg, molecular weight 2000 that molecular weight is 2000 are weighed respectively
Polytetramethylene ether diol 500kg add reactor in mix, temperature is maintained at 120 DEG C of vacuum dehydration 2h, then drops
Then temperature adds 87.6kg toluene di-isocyanate(TDI)s to 80 DEG C, temperature control reacts 3h, vacuum defoamation 0.5h at 80 DEG C；
Prepare B component chain extender：120 DEG C of molten states 3, chloro- 4, the 4- diphenylmethanediamiands of 3- bis-；
It is poured into after A/B mol ratios are mixed by 0.95 by casting machine in mould rapidly, mold temperature is controlled 100
DEG C, it is stripped after 60min, then the pump housing liner push-in vulcanization storehouse being poured in is poured, temperature control vulcanizes 12h at 120 DEG C, produces pump
Liner, detects the performance of polyurethane slurry conveying liner after 48 hours, index is as follows：
Hardness：76A
Density：1.26g/cm3
Tearing strength：40MPA
Tensile strength：12 MPa
Elongation at break：1100%
DIN is worn away：120mm3
Resilience：55%
The present invention has the characteristics that compared with prior art：
（1）Polyurethane slurry delivery pump liner produced by the present invention, density is small, high abrasion, corrosion-resistant, noise is small, efficiency high, makes
With long lifespan, compared with potassium steel liner and rubber liner, Master Cost is saved, improves continuous production ability；
（2）Production process of the present invention is without the pollutant emissions such as waste water, waste residue, waste gas, ecological, environmental protective；
（3）Polyurethane slurry delivery pump liner casting process is formed in one technique, relative to rubber liner attaching process and
Potassium steel bead-welding technology, polyurethane liner production process is more easy to operate, and structure is more sturdy and durable.
（4）Total cost account, relative to rubber and high manganese steel material, polyurethane liner cost performance is higher, has good
Promotional value.
After testing, performance indications can reach the Pulp pump polyurethane liner of gained of the invention：Hardness：It is 70~75A, close
Degree：1.1~1.3g/cm3, tearing strength：30~120MPA, tensile strength：10~50MPa, disconnected elongation：550~1200%,
DIN is worn away：40~130mm3, resilience：50~60%.
The another statement of applicant, the present invention illustrate the implementation method of the present invention and apparatus structure by above-described embodiment,
But the invention is not limited in above-mentioned embodiment, that is, does not mean that the present invention has to rely on the above method and structure could be real
Apply.Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, to implementation method selected by the present invention etc.
Effect replacement and the addition of step, the selection of concrete mode etc., all fall within protection scope of the present invention and scope of disclosure.
The present invention is not limited to above-mentioned embodiment, all to realize the present invention using structure similar with the present invention and its method
All modes of purpose, within protection scope of the present invention.
Claims (3)
- A kind of 1. polyurethane slurry delivery pump inner lining material, it is characterised in that：By component A performed polymer and B component chain extender reaction Synthesis, wherein：Component A performed polymer is calculated in mass percent：Polyoxypropyleneglycol（PPG,Mn=2000）:10~40%, poly- four Methylene ether glycol (PTMG, Mn=2000):20~60% and toluene di-isocyanate(TDI)（TDI-100, Mn=174）：5~25%；B Component is that chain extender component is 3,3 ,-two chloro- 4,4 ,-diphenylmethanediamiand（MOCA）, mole of the component A and B component Than for 0.92~0.96.
- 2. prepare a kind of method of polyurethane slurry delivery pump inner lining material as claimed in claim 1, it is characterised in that：Including Following steps：1）Prepare component A：First the polyoxypropyleneglycol measured, polytetramethylene ether diol are added in reactor, added Heat is warming up to 100~120 DEG C, is stirred under vacuum dehydration 2h, is cooled to the toluene di-isocyanate(TDI) for adding and measuring after 80 DEG C, reacts Temperature control reacts 3h, vacuum defoamation 30min, produces component A at 75~85 DEG C；2）Prepare B component：By 3,3 ,-two chloro- 4,4 ,-diphenylmethanediamiand（MOCA）Melt stand-by；3）Prepare polyurethane slag delivery pump inner lining material：By component A temperature control at 75~85 DEG C, 110~120 DEG C of B component, The component A is poured into mould rapidly after being sufficiently mixed with B component, and mold temperature is controlled at 100 DEG C, and 60min takes off after gel Mould, the liner after the demoulding is then put into vulcanization storehouse, 110~120 DEG C of 10~12h of vulcanization of temperature control, produces the poly- ammonia of Pulp pump Ester inner lining material.
- 3. according to claim 2 prepare a kind of method of polyurethane slurry delivery pump inner lining material, it is characterised in that：Institute The mol ratio for stating component A and B component is 0.95.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033262.8A CN107739426A (en) | 2017-10-30 | 2017-10-30 | A kind of polyurethane slurry delivery pump inner lining material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711033262.8A CN107739426A (en) | 2017-10-30 | 2017-10-30 | A kind of polyurethane slurry delivery pump inner lining material and preparation method thereof |
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| CN107739426A true CN107739426A (en) | 2018-02-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111944118A (en) * | 2020-08-28 | 2020-11-17 | 袁涌 | Damping type high-bearing-capacity polyurethane elastomer material and preparation method and application thereof |
| WO2022041931A1 (en) * | 2020-08-31 | 2022-03-03 | 三联泵业股份有限公司 | Preparation method for lining material of slurry pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928376A (en) * | 2010-08-27 | 2010-12-29 | 中国海洋石油总公司 | Polyurethane elastomer composition and preparation method thereof |
| CN103059554A (en) * | 2013-01-08 | 2013-04-24 | 东莞市吉鑫高分子科技有限公司 | Preparation method of thermoplastic polyurethane elastomer |
| CN105399919A (en) * | 2015-11-12 | 2016-03-16 | 南通虹波工程装备有限公司 | High-performance polyurethane elastomer material for oil sand tube lining and preparation method thereof |
-
2017
- 2017-10-30 CN CN201711033262.8A patent/CN107739426A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928376A (en) * | 2010-08-27 | 2010-12-29 | 中国海洋石油总公司 | Polyurethane elastomer composition and preparation method thereof |
| CN103059554A (en) * | 2013-01-08 | 2013-04-24 | 东莞市吉鑫高分子科技有限公司 | Preparation method of thermoplastic polyurethane elastomer |
| CN105399919A (en) * | 2015-11-12 | 2016-03-16 | 南通虹波工程装备有限公司 | High-performance polyurethane elastomer material for oil sand tube lining and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111944118A (en) * | 2020-08-28 | 2020-11-17 | 袁涌 | Damping type high-bearing-capacity polyurethane elastomer material and preparation method and application thereof |
| WO2022041931A1 (en) * | 2020-08-31 | 2022-03-03 | 三联泵业股份有限公司 | Preparation method for lining material of slurry pump |
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Application publication date: 20180227 |
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