CN104232000A - Novel polyurethane sealant and preparation method thereof - Google Patents
Novel polyurethane sealant and preparation method thereof Download PDFInfo
- Publication number
- CN104232000A CN104232000A CN201410401903.0A CN201410401903A CN104232000A CN 104232000 A CN104232000 A CN 104232000A CN 201410401903 A CN201410401903 A CN 201410401903A CN 104232000 A CN104232000 A CN 104232000A
- Authority
- CN
- China
- Prior art keywords
- preparation
- sealing agent
- consumption
- performed polymer
- polyurethane sealing
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 239000004588 polyurethane sealant Substances 0.000 title claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 63
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 22
- 229920000570 polyether Polymers 0.000 claims abstract description 22
- 229920000728 polyester Polymers 0.000 claims abstract description 18
- 239000005058 Isophorone diisocyanate Substances 0.000 claims abstract description 17
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 28
- 239000004814 polyurethane Substances 0.000 claims description 20
- 229920002635 polyurethane Polymers 0.000 claims description 20
- 150000002334 glycols Chemical class 0.000 claims description 19
- 229920000642 polymer Polymers 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Natural products CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- BJZYYSAMLOBSDY-QMMMGPOBSA-N (2s)-2-butoxybutan-1-ol Chemical compound CCCCO[C@@H](CC)CO BJZYYSAMLOBSDY-QMMMGPOBSA-N 0.000 claims description 6
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- DWHAJXWMMQKTNR-UHFFFAOYSA-N C(CCl)Cl.[Cl] Chemical group C(CCl)Cl.[Cl] DWHAJXWMMQKTNR-UHFFFAOYSA-N 0.000 claims description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005187 foaming Methods 0.000 abstract description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000004088 foaming agent Substances 0.000 abstract description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- -1 small molecule polyol Chemical class 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000004970 Chain extender Substances 0.000 description 1
- 239000004826 Synthetic adhesive Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
Abstract
The invention provides a novel polyurethane sealant and a preparation method thereof. The polyurethane sealant comprises the following raw material components: polyester triol, polyether glycol, isophorone diisocyanate, a modifying agent, a foaming agent and a catalyst. The preparation method comprises the following steps: (a) preparing a prepolymer, (b) feeding, mixing and stirring the prepolymer; and (c) performing heating catalytic treatment. According to the novel polyurethane sealant and the preparation method thereof provided by the invention, the polyurethane sealant is simple to prepare, has excellent properties such as high hardness, strong viscosity, large tensile strength, good foaming effect and high curing rate, and has very high application values.
Description
Technical field
The present invention relates to a kind of tackiness agent, particularly relate to a kind of new polyurethane sealing agent and preparation method thereof, belong to field of adhesive technology.
Background technology
Tackiness agent, as the indispensable Chemicals of a kind of national economic development, is widely used in the every field in national economy, and China has now become big producing country and the consumption big country of tackiness agent.Tackiness agent is various in style, component is different, wherein, polyurethane adhesive is as the important kind in synthetic adhesive, with advantages such as its excellent adhesiveproperties, the bonding adaptability to multiple base material, easy adhesion technique, splendid resistance to low temperature and excellent stability, become tackiness agent with fastest developing speed in recent years at home and abroad.Along with improving constantly of scientific and technological level, the state of the art of China's tackiness agent also improves constantly, develop the product reaching domestic and international advanced level in a large number, and present product towards future developments such as modified version, response type, multifunctional type, energy saving and environment friendly, Nano types.
Polyurethane sealant is a kind of environmental protection and energy saving, tackiness agent easy to use, such tackiness agent has the features such as excellent heat retaining property, winter resistance, dry strength, sound-proofing, moistureproofness, temperature tolerance and stability, can be used for interface, the sealing in gap and crack, insulation and filling, and be widely used in the fields such as automobile industry, refrigerator production, civil construction industry, fabric, electromechanical industries, medical treatment.In current art, polyurethane sealant is polymerized by polyisocyanates, polyether glycol, small molecule polyol, chainextender or linking agent etc.But employing polyether glycol is main raw material, the problem such as ubiquity that hardness is low, shrinking percentage is high, tensile strength is low, poor water resistance, the storage time is short, solidification rate is slow and frothing percentage is little.
Summary of the invention
For the demand, the invention provides a kind of new polyurethane sealing agent and preparation method thereof, the preparation of this polyurethane sealant is simple, and have the excellent properties that hardness is high, viscosity is strong, tensile strength is large, foaming effect is good, solidification rate is fast, using value is very high.
The present invention is a kind of new polyurethane sealing agent and preparation method thereof, the material composition that described polyurethane sealant comprises has polyester trivalent alcohol, polyether Glycols, isophorone diisocyanate, properties-correcting agent, whipping agent and catalyzer, described preparation method comprises the steps: a) to prepare performed polymer, b) reinforced the mixing of performed polymer stirs process, c) temperature increasing catalyst process.
In a preferred embodiment of the present invention, the material composition that described polyurethane sealant comprises is respectively by mass percentage: polyester trivalent alcohol 31%, polyether Glycols 31%, isophorone diisocyanate 6%, properties-correcting agent 24.8%, whipping agent 6.2%, catalyzer 1%.
In a preferred embodiment of the present invention, described polyether Glycols is PTMG PTMG, and its relative molecular mass is 1000.
In a preferred embodiment of the present invention, described properties-correcting agent is polyethylene terephtalate, and its consumption accounts for 40% of polyester trivalent alcohol and polyether Glycols consumption.
In a preferred embodiment of the present invention, described whipping agent is a chlorine ethylene dichloride, and its consumption accounts for 10% of polyester trivalent alcohol and polyether Glycols consumption.
In a preferred embodiment of the present invention, described catalyzer selects antimonous oxide and 2, the 2-dual-morpholinyl diethyl ether of mass ratio 1:1.
In a preferred embodiment of the present invention, in described step a), prepare performed polymer and comprise the steps: 1) polyester trivalent alcohol, polyether Glycols, isophorone diisocyanate and properties-correcting agent are mixed, in 150 DEG C of reaction 3 h; 2) mixture is reacted 3h in 210 DEG C.
In a preferred embodiment of the present invention, in described step b), performed polymer feeds in raw material, and mixed to stir process be will performed polymer, isophorone diisocyanate, pyridine solvent, whipping agent mix and blend 30min under room temperature of preparation.
In a preferred embodiment of the present invention, described isophorone diisocyanate and the consumption of pyridine solvent account for 5% and 60% of performed polymer consumption respectively.
Present invention is disclosed a kind of new polyurethane sealing agent and preparation method thereof, the preparation of this polyurethane sealant is simple, and have the excellent properties that hardness is high, viscosity is strong, tensile strength is large, foaming effect is good, solidification rate is fast, using value is very high.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the process figure of embodiment of the present invention new polyurethane sealing agent preparation method.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Fig. 1 is the process figure of embodiment of the present invention new polyurethane sealing agent preparation method; The material composition that this polyurethane sealant comprises has polyester trivalent alcohol, polyether Glycols, isophorone diisocyanate, properties-correcting agent, whipping agent and catalyzer, described preparation method comprises the steps: a) to prepare performed polymer, b) reinforced the mixing of performed polymer stirs process, c) temperature increasing catalyst process.
The new polyurethane sealing agent that the present invention mentions with polyester trivalent alcohol, polyether Glycols and isophorone diisocyanate for reaction monomers, take polyethylene terephthalate as properties-correcting agent, antimonous oxide and 2,2-dual-morpholinyl diethyl ether is catalyzer, and a chlorine ethylene dichloride is that whipping agent is prepared; The mass percent that each material composition accounts for polyurethane sealant is respectively: polyester trivalent alcohol 31%, polyether Glycols 31%, isophorone diisocyanate 6%, properties-correcting agent 24.8%, whipping agent 6.2%, catalyzer 1%.Wherein, polyether Glycols selects PTMG PTMG, and its relative molecular mass is 1000, and the mass ratio of itself and polyester trivalent alcohol is 1:1, and this mass ratio can ensure that the tensile strength of the sealing agent obtained is relatively maximum; The consumption of properties-correcting agent polyethylene terephthalate accounts for 40% of polyester trivalent alcohol and polyether Glycols consumption, and this consumption can ensure that the sealing agent obtained has good viscosity and tensile strength; The consumption of whipping agent one chlorine ethylene dichloride accounts for 10% of polyester trivalent alcohol and polyether Glycols consumption, and this consumption can ensure that the sealing agent obtained has higher surface hardness and maximum tensile strength.The mass ratio of the catalytic antimony trioxide and 2,2-dual-morpholinyl diethyl ether is 1:1, and its consumption accounts for 1% of sealing agent quality, can ensure that sealing agent has good viscosity and excellent mechanical property.
Embodiment
Concrete preparation method is as follows:
A) performed polymer is prepared, concrete preparation process is: by the mass percent accounting for sealing agent, first 31% polyester trivalent alcohol, 31% polyether Glycols, 2% isophorone diisocyanate and 24.8% properties-correcting agent polyethylene terephthalate are put into vacuum vessel to mix, be warming up to 120 DEG C, vacuum hydro-extraction 30min; Again the mixture after dehydration is put into reaction vessel, be warming up to 150 DEG C of reaction 3h; Then carry out condensation process, be warming up under nitrogen protection after condensation 210 DEG C reaction 1h, now in system without solid, then continue reaction 2h, terminate react; Finally be cooled to 60 DEG C under nitrogen protection, discharging.
B) reinforced the mixing of performed polymer stirs process, the performed polymer of preparation and a certain amount of isophorone diisocyanate, pyridine solvent and whipping agent is put into agitator, mix and blend 30min under room temperature.Wherein, the consumption of isophorone diisocyanate accounts for 5% of performed polymer consumption; The consumption of pyridine solvent accounts for 60% of performed polymer consumption; Foaming agent consumption accounts for 1% of obtained sealing agent quality.
C) temperature increasing catalyst process, mixture step b) obtained puts into reaction vessel, is warming up to 30 DEG C, adds the catalytic antimony trioxide and 2,2-dual-morpholinyl diethyl ether that quality accounts for sealing agent quality 1%,
After stirring, after reaction 3min, get final product rapid discharging, the new polyurethane sealing agent of obtained excellent performance.
Present invention is disclosed a kind of new polyurethane sealing agent and preparation method thereof, the preparation of this polyurethane sealant is simple, and have the excellent properties that hardness is high, viscosity is strong, tensile strength is large, foaming effect is good, solidification rate is fast, using value is very high.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (9)
1. new polyurethane sealing agent and preparation method thereof, it is characterized in that, the material composition that described polyurethane sealant comprises has polyester trivalent alcohol, polyether Glycols, isophorone diisocyanate, properties-correcting agent, whipping agent and catalyzer, described preparation method comprises the steps: a) to prepare performed polymer, b) reinforced the mixing of performed polymer stirs process, c) temperature increasing catalyst process.
2. new polyurethane sealing agent according to claim 1 and preparation method thereof, it is characterized in that, the material composition that described polyurethane sealant comprises is respectively by mass percentage: polyester trivalent alcohol 31%, polyether Glycols 31%, isophorone diisocyanate 6%, properties-correcting agent 24.8%, whipping agent 6.2%, catalyzer 1%.
3. new polyurethane sealing agent according to claim 2 and preparation method thereof, is characterized in that, described polyether Glycols is PTMG PTMG, and its relative molecular mass is 1000.
4. new polyurethane sealing agent according to claim 2 and preparation method thereof, is characterized in that, described properties-correcting agent is polyethylene terephtalate, and its consumption accounts for 40% of polyester trivalent alcohol and polyether Glycols consumption.
5. new polyurethane sealing agent according to claim 2 and preparation method thereof, is characterized in that, described whipping agent is a chlorine ethylene dichloride, and its consumption accounts for 10% of polyester trivalent alcohol and polyether Glycols consumption.
6. new polyurethane sealing agent according to claim 2 and preparation method thereof, is characterized in that, described catalyzer selects antimonous oxide and 2, the 2-dual-morpholinyl diethyl ether of mass ratio 1:1.
7. new polyurethane sealing agent according to claim 1 and preparation method thereof, it is characterized in that, in described step a), prepare performed polymer and comprise the steps: 1) polyester trivalent alcohol, polyether Glycols, isophorone diisocyanate and properties-correcting agent are mixed, in 150 DEG C of reaction 3 h; 2) mixture is reacted 3h in 210 DEG C.
8. new polyurethane sealing agent according to claim 1 and preparation method thereof, it is characterized in that, in described step b), performed polymer feeds in raw material, and mixed to stir process be will performed polymer, isophorone diisocyanate, pyridine solvent, whipping agent mix and blend 30min under room temperature of preparation.
9. new polyurethane sealing agent according to claim 8 and preparation method thereof, is characterized in that, described isophorone diisocyanate and the consumption of pyridine solvent account for 5% and 60% of performed polymer consumption respectively.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401903.0A CN104232000A (en) | 2014-08-15 | 2014-08-15 | Novel polyurethane sealant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401903.0A CN104232000A (en) | 2014-08-15 | 2014-08-15 | Novel polyurethane sealant and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104232000A true CN104232000A (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410401903.0A Pending CN104232000A (en) | 2014-08-15 | 2014-08-15 | Novel polyurethane sealant and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104232000A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221654A (en) * | 2016-02-02 | 2016-12-14 | 北京理工大学 | A kind of flame retardant bicomponent adhesive for polyurethane and preparation method thereof |
| CN110306747A (en) * | 2019-07-10 | 2019-10-08 | 佛山市南海诚龙装饰材料有限公司 | A kind of mould proof wood veneer |
| CN110746573A (en) * | 2019-11-15 | 2020-02-04 | 江苏华大新材料有限公司 | Yellowing-resistant two-liquid type polyurethane adhesive for reflective material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528801A (en) * | 2003-09-28 | 2004-09-15 | 上海市合成树脂研究所 | Method for preparing perfomed polymer for monocomponent polyurethane foam gule |
| CN101787253A (en) * | 2010-01-22 | 2010-07-28 | 上海华峰超纤材料股份有限公司 | One-component solvent-free polyurethane adhesive and preparation method thereof and raw material composition |
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2014
- 2014-08-15 CN CN201410401903.0A patent/CN104232000A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528801A (en) * | 2003-09-28 | 2004-09-15 | 上海市合成树脂研究所 | Method for preparing perfomed polymer for monocomponent polyurethane foam gule |
| CN101787253A (en) * | 2010-01-22 | 2010-07-28 | 上海华峰超纤材料股份有限公司 | One-component solvent-free polyurethane adhesive and preparation method thereof and raw material composition |
Non-Patent Citations (1)
| Title |
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| 张小博: ""新型单组分聚氨酯泡沫密封剂的制备与性能研究"", 《中国胶粘剂》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221654A (en) * | 2016-02-02 | 2016-12-14 | 北京理工大学 | A kind of flame retardant bicomponent adhesive for polyurethane and preparation method thereof |
| CN106221654B (en) * | 2016-02-02 | 2019-08-23 | 北京理工大学 | A kind of flame-retardant two-component polyurethane adhesive and preparation method thereof |
| CN110306747A (en) * | 2019-07-10 | 2019-10-08 | 佛山市南海诚龙装饰材料有限公司 | A kind of mould proof wood veneer |
| CN110746573A (en) * | 2019-11-15 | 2020-02-04 | 江苏华大新材料有限公司 | Yellowing-resistant two-liquid type polyurethane adhesive for reflective material and preparation method thereof |
| CN110746573B (en) * | 2019-11-15 | 2021-11-23 | 江苏华大新材料有限公司 | Yellowing-resistant two-liquid type polyurethane adhesive for reflective material and preparation method thereof |
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Application publication date: 20141224 |