CN105384908A - Thermoplastic polyurethane elastomer and polyurethane prepolymer material and preparation method thereof - Google Patents
Thermoplastic polyurethane elastomer and polyurethane prepolymer material and preparation method thereof Download PDFInfo
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- CN105384908A CN105384908A CN201510774552.2A CN201510774552A CN105384908A CN 105384908 A CN105384908 A CN 105384908A CN 201510774552 A CN201510774552 A CN 201510774552A CN 105384908 A CN105384908 A CN 105384908A
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- thermoplastic polyurethane
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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
- C08G18/70—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
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
-
- 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
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
- C08G18/4241—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols from dicarboxylic acids and dialcohols in combination with polycarboxylic acids and/or polyhydroxy compounds which are at least trifunctional
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/69—Polymers of conjugated dienes
- C08G18/698—Mixtures with compounds of group C08G18/40
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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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)
- Polyurethanes Or Polyureas (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to the fields of high polymer materials and production thereof and in particular relates to a thermoplastic polyurethane elastomer and polyurethane prepolymer material and a preparation method thereof. The thermoplastic polyurethane prepolymer material comprises the following components in parts by mass: 15-25 parts of 1,4-cyclohexane diisocyanate, 10-15 parts of nitrile rubber buna, 5-8 parts of a catalyst, 2-7 parts of zinc stearate, 12-22 parts of polyester polyol and 20-35 parts of polycarbonate. The thermoplastic polyurethane elastomer is prepared by performing extrusion pelletizing on the thermoplastic polyurethane prepolymer material and a mixture of polytetrahydrofuran and polystyrene. The prepared thermoplastic polyurethane prepolymer material has excellent mechanical property and ageing resistance, the prepared polyurethane elastomer is good in heat-resistant quality and high in mechanical property, the operating temperature can be more than or equal to 95 DEG C, and the method for preparing the thermoplastic polyurethane elastomer and thermoplastic polyurethane prepolymer material is simple and high in operability.
Description
Technical field
The present invention relates to polymeric material field and production field thereof, particularly a kind of Polyurethane Thermoplastic Elastomer and base polyurethane prepolymer for use as material and preparation method thereof.
Background technology
Polyurethane Thermoplastic Elastomer (being also called TPU, hereinafter referred to as TPU) novel material is called as " epoch-making novel high polymer material ", is our times six one of synthetic materials with development prospect greatly.High and the high resilience of TPU hardness, has the low-temperature performance of good oil-proofness, ozone resistance and excellence, is widely used in the fields such as light industry, weaving, vehicle, civil construction, electromechanics, boats and ships and aviation.But due to its poor heat resistance, inflammable, and at high temperature easily there is softening, decomposition, mechanical property is sharply declined, which greatly limits its range of application.
Summary of the invention
The invention provides a kind of Polyurethane Thermoplastic Elastomer and base polyurethane prepolymer for use as material and preparation method thereof, ensureing under the prerequisite that products obtained therefrom over-all properties does not decline, improving the thermotolerance of Polyurethane Thermoplastic Elastomer and the mechanical property of thermoplastic polyurethane performed polymer material and resistance to deterioration.
For solving above technical problem, technical solution of the present invention is:
A kind of thermoplastic polyurethane performed polymer material, comprise following component according to the mass fraction: Isosorbide-5-Nitrae-cyclohexyl diisocyanate 15-25 part, nitrile rubber 10-15 part, catalyzer 5-8 part, Zinic stearas 2-7 part, polyester polyol 12-22 part, polycarbonate 20-35 part.
Further, described catalyzer be in benzoin dimethylether, 2-hydroxy-2-methyl-1-phenyl-acetone and methyl benzoylformate one or more.
Further, described polyester polyol is that nonane diacid and ethylene glycol, glycerine polycondensation obtain, and molecular weight is 5000-7000.
The preparation method of described thermoplastic polyurethane performed polymer material, comprises the steps:
1) prepare: weigh each feed composition by formula;
2) pre-treatment: above-mentioned raw materials is added mixing tank, at 100-120 DEG C of vacuum hydro-extraction 30-50min, then is cooled to 80-90 DEG C; ;
3) react: step 2) in product be pumped in A reactor, react 1-3.5h at the speed of 5-10 DEG C/h is warming up to 95-100 DEG C, then send in second reactor be warming up to 105-110 DEG C at react 2-3h, obtained thermoplastic polyurethane performed polymer material.
A kind of Polyurethane Thermoplastic Elastomer, comprise A and B two portions, part A is the thermoplastic polyurethane performed polymer material that Isosorbide-5-Nitrae-cyclohexyl diisocyanate 15-25 part, nitrile rubber 10-15 part, catalyzer 5-8 part, Zinic stearas 2-7 part, polyester polyol 12-22 part, the reaction of polycarbonate 20-35 part according to the mass fraction obtain; Part B is the mixture of polytetrahydrofuran, polystyrene.
Further, the molecular weight of described polytetrahydrofuran and polystyrene is 3000-5000.
Further, the mass ratio of described polytetrahydrofuran and polystyrene is 1:1-2.
Described method for preparing thermoplastic polyurethane elastomer, comprises the following steps:
1) each feed composition of part A is taken;
2) part A raw material is added mixing tank, at 100-120 DEG C of vacuum hydro-extraction 30-50min, then be cooled to 80-90 DEG C; ;
3) step 2) in product be pumped in A reactor, react 1-3.5h at the speed of 5-10 DEG C/h is warming up to 95-100 DEG C, then send in second reactor be warming up to 105-110 DEG C at react 2-3h, obtained thermoplastic polyurethane performed polymer material;
4) be uniformly mixed at part B raw material in a mixer 80-90 DEG C;
5) part A is obtained thermoplastic polyurethane performed polymer material and part B mixture puts into twin screw extruder extruding pelletization according to the ratio of mass ratio 1:2, obtained Polyurethane Thermoplastic Elastomer.
Beneficial effect of the present invention: the present invention obtains thermoplastic polyurethane performed polymer material and has excellent mechanical property, resistance to deterioration, the resistance toheat of obtained polyurethane elastomer is good, mechanical property is high, its use temperature can reach more than 95 DEG C, the method preparing Polyurethane Thermoplastic Elastomer and thermoplastic polyurethane performed polymer material is simple, strong operability.
Embodiment
Embodiment 1
Take Isosorbide-5-Nitrae-cyclohexyl diisocyanate 15 parts, nitrile rubber 10 parts, catalyzer 5 parts, Zinic stearas 2 parts, polyester polyol 12 parts, polycarbonate 20 parts, these raw materials are added in mixing tank, at 100 DEG C of vacuum hydro-extraction 30min, then be cooled to 80 DEG C; Then be pumped in A reactor, at the speed of 5 DEG C/h is warming up to 95 DEG C, react 1h, then send in second reactor be warming up to 105 DEG C at react 2h, obtained thermoplastic polyurethane performed polymer material;
Embodiment 2
Take Isosorbide-5-Nitrae-cyclohexyl diisocyanate 20 parts, nitrile rubber 12 parts, catalyzer 7 parts, Zinic stearas 5 parts, polyester polyol 18 parts, polycarbonate 27 parts, these raw materials are added in mixing tank, at 110 DEG C of vacuum hydro-extraction 40min, then be cooled to 85 DEG C; Then be pumped in A reactor, at the speed of 8 DEG C/h is warming up to 97 DEG C, react 2h, then send in second reactor be warming up to 107 DEG C at react 2.5h, obtained thermoplastic polyurethane performed polymer material;
Embodiment 3
Take Isosorbide-5-Nitrae-cyclohexyl diisocyanate 25 parts, nitrile rubber 15 parts, catalyzer 8 parts, Zinic stearas 7 parts, polyester polyol 22 parts, polycarbonate 35 parts, these raw materials are added in mixing tank, at 120 DEG C of vacuum hydro-extraction 50min, then be cooled to 90 DEG C; Then be pumped in A reactor, at the speed of 10 DEG C/h is warming up to 100 DEG C, react 3.5h, then send in second reactor be warming up to 110 DEG C at react 3h, obtained thermoplastic polyurethane performed polymer material;
Embodiment 4
Thermoplastic polyurethane performed polymer material is obtained according to method in embodiment 1, the mixture of part B polytetrahydrofuran, polystyrene is uniformly mixed at 80 DEG C in a mixer, thermoplastic polyurethane performed polymer material and part B mixture are put into twin screw extruder extruding pelletization according to the ratio of mass ratio 1:1, obtained Polyurethane Thermoplastic Elastomer.
Embodiment 5
Thermoplastic polyurethane performed polymer material is obtained according to method in embodiment 2, the mixture of part B polytetrahydrofuran, polystyrene is uniformly mixed at 85 DEG C in a mixer, thermoplastic polyurethane performed polymer material and part B mixture are put into twin screw extruder extruding pelletization according to the ratio of mass ratio 1:1.5, obtained Polyurethane Thermoplastic Elastomer.
Embodiment 6
Thermoplastic polyurethane performed polymer material is obtained according to method in embodiment 1, the mixture of part B polytetrahydrofuran, polystyrene is uniformly mixed at 90 DEG C in a mixer, thermoplastic polyurethane performed polymer material and part B mixture are put into twin screw extruder extruding pelletization according to the ratio of mass ratio 1:2, obtained Polyurethane Thermoplastic Elastomer.
Although with reference to explanatory embodiment of the present invention, invention has been described here, above-described embodiment is only the present invention's preferably embodiment, embodiments of the present invention are not restricted to the described embodiments, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
Claims (8)
1. a thermoplastic polyurethane performed polymer material, it is characterized in that: comprise following component according to the mass fraction: Isosorbide-5-Nitrae-cyclohexyl diisocyanate 15-25 part, nitrile rubber 10-15 part, catalyzer 5-8 part, Zinic stearas 2-7 part, polyester polyol 12-22 part, polycarbonate 20-35 part.
2. thermoplastic polyurethane performed polymer material according to claim 1, is characterized in that: described catalyzer be in benzoin dimethylether, 2-hydroxy-2-methyl-1-phenyl-acetone and methyl benzoylformate one or more.
3. thermoplastic polyurethane performed polymer material according to claim 1, is characterized in that: described polyester polyol is that nonane diacid and ethylene glycol, glycerine polycondensation obtain, and molecular weight is 5000-7000.
4. the preparation method of thermoplastic polyurethane performed polymer material as described in claim 1-3, is characterized in that: comprise the steps:
1) prepare: weigh each feed composition by formula;
2) pre-treatment: above-mentioned raw materials is added mixing tank, at 100-120 DEG C of vacuum hydro-extraction 30-50min, then is cooled to 80-90 DEG C; ;
3) react: step 2) in product be pumped in A reactor, react 1-3.5h at the speed of 5-10 DEG C/h is warming up to 95-100 DEG C, then send in second reactor be warming up to 105-110 DEG C at react 2-3h, obtained thermoplastic polyurethane performed polymer material.
5. a Polyurethane Thermoplastic Elastomer, it is characterized in that: comprise A and B two portions, described part A is the thermoplastic polyurethane performed polymer material that Isosorbide-5-Nitrae-cyclohexyl diisocyanate 15-25 part, nitrile rubber 10-15 part, catalyzer 5-8 part, Zinic stearas 2-7 part, polyester polyol 12-22 part, the reaction of polycarbonate 20-35 part according to the mass fraction obtain; Described part B is the mixture of polytetrahydrofuran, polystyrene.
6. Polyurethane Thermoplastic Elastomer according to claim 5, is characterized in that: the molecular weight of described polytetrahydrofuran and polystyrene is 3000-5000.
7. Polyurethane Thermoplastic Elastomer according to claim 5, is characterized in that: the mass ratio of described polytetrahydrofuran and polystyrene is 1:1-2.
8. method for preparing thermoplastic polyurethane elastomer as described in as arbitrary in claim 5-7, comprises the following steps:
1) each feed composition of part A is taken;
2) part A raw material is added mixing tank, at 100-120 DEG C of vacuum hydro-extraction 30-50min, then be cooled to 80-90 DEG C; ;
3) step 2) in product be pumped in A reactor, react 1-3.5h at the speed of 5-10 DEG C/h is warming up to 95-100 DEG C, then send in second reactor be warming up to 105-110 DEG C at react 2-3h, obtained thermoplastic polyurethane performed polymer material;
4) be uniformly mixed at part B raw material in a mixer 80-90 DEG C;
5) part A is obtained thermoplastic polyurethane performed polymer material and part B mixture puts into twin screw extruder extruding pelletization according to the ratio of mass ratio 1:2, obtained Polyurethane Thermoplastic Elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774552.2A CN105384908A (en) | 2015-11-13 | 2015-11-13 | Thermoplastic polyurethane elastomer and polyurethane prepolymer material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510774552.2A CN105384908A (en) | 2015-11-13 | 2015-11-13 | Thermoplastic polyurethane elastomer and polyurethane prepolymer material and preparation method thereof |
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| CN105384908A true CN105384908A (en) | 2016-03-09 |
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| CN201510774552.2A Pending CN105384908A (en) | 2015-11-13 | 2015-11-13 | Thermoplastic polyurethane elastomer and polyurethane prepolymer material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106805835A (en) * | 2016-12-14 | 2017-06-09 | 嘉工集团有限公司 | Intelligent toilet cover and gasket assembly |
Citations (3)
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|---|---|---|---|---|
| CN101596765A (en) * | 2009-06-19 | 2009-12-09 | 天津爱尼机电有限公司 | A kind of manufacturing method of high temperature resistance polyurethane elastomer |
| CN104017167A (en) * | 2014-06-13 | 2014-09-03 | 奥斯汀新材料（张家港）有限公司 | Preparation method of heat-resistant polyester plastic polyurethane elastomer |
| CN105038088A (en) * | 2015-08-21 | 2015-11-11 | 中广核三角洲（苏州）高聚物有限公司 | Elastomer cable material for oil-resistant cold-resistant high-temperature-resistant electric automobile charge piles and preparation method thereof |
-
2015
- 2015-11-13 CN CN201510774552.2A patent/CN105384908A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596765A (en) * | 2009-06-19 | 2009-12-09 | 天津爱尼机电有限公司 | A kind of manufacturing method of high temperature resistance polyurethane elastomer |
| CN104017167A (en) * | 2014-06-13 | 2014-09-03 | 奥斯汀新材料（张家港）有限公司 | Preparation method of heat-resistant polyester plastic polyurethane elastomer |
| CN105038088A (en) * | 2015-08-21 | 2015-11-11 | 中广核三角洲（苏州）高聚物有限公司 | Elastomer cable material for oil-resistant cold-resistant high-temperature-resistant electric automobile charge piles and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 元伟: "新型聚氨酯弹性体的制备与性能", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106805835A (en) * | 2016-12-14 | 2017-06-09 | 嘉工集团有限公司 | Intelligent toilet cover and gasket assembly |
| CN106805835B (en) * | 2016-12-14 | 2019-06-21 | 嘉工集团有限公司 | Intelligent toilet cover and gasket assembly |
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Application publication date: 20160309 |
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