CN109575232A - A kind of no-solvent type aqueous polyurethane of high-tensile and preparation method thereof - Google Patents
A kind of no-solvent type aqueous polyurethane of high-tensile and preparation method thereof Download PDFInfo
- Publication number
- CN109575232A CN109575232A CN201811504064.XA CN201811504064A CN109575232A CN 109575232 A CN109575232 A CN 109575232A CN 201811504064 A CN201811504064 A CN 201811504064A CN 109575232 A CN109575232 A CN 109575232A
- Authority
- CN
- China
- Prior art keywords
- aqueous polyurethane
- solvent type
- preparation
- type aqueous
- bath temperature
- 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
Classifications
-
- 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
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
-
- 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
-
- 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
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- 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
- C08G18/70—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
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
-
- 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
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
Landscapes
- 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)
Abstract
The invention discloses no-solvent type aqueous polyurethane of a kind of high-tensile and preparation method thereof, technical solutions are as follows: firstly, by polymer diatomic alcohol 100~120 DEG C of vacuum drying 14h in a vacuum drying oven；Polymer diatomic alcohol after re-dry pours into three-necked flask and adds diisocyanate, and setting bath temperature is 70~85 DEG C, stirs 2~3h；Then, bath temperature is reduced to 60~70 DEG C, 2,2- dimethylolpropionic acid is added into reaction solution, stir 1.5~2.5h；Then, bath temperature is reduced to 45~55 DEG C, neutralizer is added into reaction solution, stir 20~45min；Finally, bath temperature is reduced to 25~30 DEG C again, deionized water is added into reaction solution, 30~60min of high-speed stirred obtains no-solvent type aqueous polyurethane.Preparation method provided by the present invention is easy to operate, synthesis cost is cheap, the no-solvent type aqueous polyurethane mechanical property with higher of preparation.
Description
Technical field
The invention belongs to aqueous polyurethane fabricating technology fields, and in particular to a kind of no-solvent type of high-tensile
Aqueous polyurethane and preparation method thereof.
Background technique
Aqueous polyurethane is a kind of environmentally protective, nontoxic high molecular material using water as decentralized medium.With resistance to
The features such as mill property is good, processability is good, performance is adjustable, low temperature is submissive meets the performance requirement of every aspect in people's life, existing
It is widely used to the fields such as leather, coating, weaving, rubber and medical material.
In the synthetic method of existing aqueous polyurethane, in order to adjust the viscosity of performed polymer dispersion stage, all can or it is more
Or few use organic solvent.Although the organic solvent in system can be improved the rate of drying of lotion and improve its film forming
Can, but the problems such as the presence of organic solvent not only will increase production cost but also will cause environmental pollution, be unfavorable for aqueous poly-
The popularization and application of urethane.Therefore, it reduces the dosage of organic solvent to the greatest extent and is finally reached solvent free, be current aqueous polyurethane
One of Main way of research.
But the mechanical property of no-solvent type aqueous polyurethane is poor, needs to improve its hard segment content to improve its mechanical property
Energy.In general, under the premise of meeting cured, chain extender dosage is more, and corresponding diisocyanate dosage is also more, poly- ammonia
The hard segment content of ester is high, it is hereby achieved that high-intensitive material.But this undoubtedly will increase production cost, thus explore one
The preparation process for planting no-solvent type aqueous polyurethane environmentally protective, low in cost and with high-tensile is current aqueous poly-
The major issue that urethane research institute faces.
Summary of the invention
The purpose of the present invention is to provide no-solvent type aqueous polyurethane of a kind of high-tensile and preparation method thereof, solutions
The problems such as having determined existing aqueous polyurethane there are environmental pollution and poor mechanical properties.
Technical scheme is as follows:
A kind of preparation method of the no-solvent type aqueous polyurethane of high-tensile, comprising the following steps:
Step 1: polymer diatomic alcohol is put into vacuum oven, 100~120 DEG C at a temperature of, carry out vacuum drying 1
~4h；
Preferably, polymer diatomic alcohol is polytetrahydrofuran ether glycol, polycaprolactone, polycarbonate glycol, polyadipate second two
One or more of mixtures of alcohol, the molecular weight of polymer diatomic alcohol are 1000.
Step 2: the polymer diatomic alcohol after will be dry in step 1 pours into three-necked flask and adds diisocyanate,
Heating water bath stirring is carried out, the bath temperature that reaction system is arranged is 70~85 DEG C, and the time of stirring is 2~3h；
Preferably, diisocyanate is isophorone diisocyanate, toluene di-isocyanate(TDI), methyl diphenylene diisocyanate
Or polymethylene multi-phenenyl isocyanate.
Step 3: being reduced to 60~70 DEG C for the bath temperature of reaction system, adds into the resulting reaction solution of step 2
Enter 2,2- dimethylolpropionic acid, stirs 1.5~2.5h；
Step 4: being reduced to 45~55 DEG C for the bath temperature of reaction system, into step 3 resulting reaction solution in addition
And agent, stir 20~45min；
Preferably, neutralizer is sodium hydroxide, ammonium hydroxide or triethylamine.
Step 5: being reduced to 25~30 DEG C for the bath temperature of reaction system, adds into the resulting reaction solution of step 4
Enter deionized water, 30~60min of high-speed stirred obtains no-solvent type aqueous polyurethane.
Preferably, Step 2: in three, four, the revolving speed of stirring is 200 ~ 400 r/min；In step 5, the revolving speed of stirring
For 700 ~ 1200 r/min.
Preferably, polymer diatomic alcohol: diisocyanate: 2,2- dimethylolpropionic acids: neutralizer: the matter of deionized water
Amount is than being 23 ~ 38:10 ~ 26:1.5 ~ 4.0:0.6 ~ 2.2:100 ~ 140.
The no-solvent type aqueous polyurethane and preparation method thereof of a kind of high-tensile disclosed in this invention, with existing skill
Art is compared, and is had the beneficial effect that
(1) present invention provides the no-solvent type aqueous polyurethane and preparation method thereof of high-tensile, during the preparation process completely
Do not add organic solvent, organic residue zero；
(2) water-base polyurethane material that the preparation method used in the present invention is prepared, the more existing aqueous polyurethane of tensile strength
It significantly improves, which is about 2~3 times of the existing aqueous polyurethane in market；
(3) lower production costs of preparation method provided by the present invention are not required to that is, under the premise of meeting material performance requirement
Chain extender (such as: 1,4-butanediol, ethylene glycol, ethanol amine) is used, reduce production cost；
(4) preparation method provided by the present invention is green synthesis method, easy to operate, synthesis cost is cheap and product have compared with
High mechanical property.
Specific embodiment
The feature that the invention is further illustrated by the following examples, but the scope of the invention is not limited to following implementations
Example.After having read the content of the invention stated, those skilled in the art can make change and modification to the present invention, these
Equivalent form equally falls within the range of the application the appended claims restriction.
A kind of preparation method of the no-solvent type aqueous polyurethane of high-tensile, comprising the following steps:
Step 1: polymer diatomic alcohol is put into vacuum oven, 100~120 DEG C at a temperature of, carry out vacuum drying 1
~4h；
Step 2: the polymer diatomic alcohol after will be dry in step 1 pours into three-necked flask and adds diisocyanate, carries out
Heating water bath stirring, the bath temperature that reaction system is arranged is 70~85 DEG C, and the time of stirring is 2~3h；
Step 3: being reduced to 60~70 DEG C for the bath temperature of reaction system, is added 2 into the resulting reaction solution of step 2,
2- dimethylolpropionic acid stirs 1.5~2.5h；
Step 4: being reduced to 45~55 DEG C for the bath temperature of reaction system, into step 3 resulting reaction solution in addition
And agent, stir 20~45min；
Step 5: being reduced to 25~30 DEG C for the bath temperature of reaction system, is added and goes into the resulting reaction solution of step 4
Ionized water, 30~60min of high-speed stirred obtain no-solvent type aqueous polyurethane.
Further, in the step 1, the polymer diatomic alcohol is polytetrahydrofuran ether glycol, polycaprolactone, gathers
One or more of mixtures of carbonate diol, polyadipate ethylene glycol, the molecular weight of polymer diatomic alcohol are 1000.
Further, in the step 2, the diisocyanate is isophorone diisocyanate, toluene diisocynate
Ester, methyl diphenylene diisocyanate or polymethylene multi-phenenyl isocyanate.
Further, in the step 4, neutralizer is sodium hydroxide, ammonium hydroxide or triethylamine.
Further, described Step 2: in three, four, the revolving speed of stirring is 200 ~ 400 r/min；In step 5, stirring
Revolving speed be 700 ~ 1200 r/min.
Further, polymer diatomic alcohol: diisocyanate: 2,2- dimethylolpropionic acids: neutralizer: deionized water
Mass ratio is 23 ~ 38:10 ~ 26:1.5 ~ 4.0:0.6 ~ 2.2:100 ~ 140.
Embodiment 1
Firstly, 23g polytetrahydrofuran ether glycol is taken to be placed in a vacuum drying oven, 120 DEG C at a temperature of carry out vacuum drying 1
H is poured into three-necked flask and is added the progress heating water bath stirring of 10g toluene di-isocyanate(TDI), and setting bath temperature is 70 DEG C, with
The revolving speed of 400r/min stirs 3h；Then, bath temperature is reduced to 60 DEG C, 2, the 2- dimethylolpropionic acid of 1.5g is added, with
The revolving speed of 400r/min stirs 2.5h；Bath temperature is reduced to 45 DEG C again, 0.6g ammonium hydroxide is added, is stirred with the revolving speed of 400r/min
Mix 45min；Bath temperature is reduced to 25 DEG C again, 100 g deionized waters are added, with the revolving speed high-speed stirred 30 of 1200 r/min
Min obtains no-solvent type aqueous polyurethane.
Embodiment 2
Firstly, 38g polytetrahydrofuran ether glycol is taken to be placed in a vacuum drying oven, 100 DEG C at a temperature of carry out vacuum drying 4h,
It pours into three-necked flask and adds 26g methyl diphenylene diisocyanate and carry out heating water bath stirring, setting bath temperature is 85
DEG C, 2h is stirred with the revolving speed of 200r/min；Then, bath temperature is down to 70 DEG C, 4.0 g 2,2- is added into reaction solution
Dimethylolpropionic acid stirs 1.5h with the revolving speed of 200r/min；Bath temperature is reduced to 55 DEG C again, is added into reaction solution
2.2g triethylamine stirs 20min with the revolving speed of 200r/min；Finally, bath temperature is reduced to 30 DEG C again, to reaction solution plus
Enter 140 g deionized waters, with the revolving speed high-speed stirred 60min of 700r/min, obtains no-solvent type aqueous polyurethane.
Embodiment 3
Firstly, 33g polytetrahydrofuran ether glycol is taken to be placed in a vacuum drying oven, 110 DEG C at a temperature of carry out vacuum drying 3h,
It pouring into three-necked flask and adds 16g isophorone diisocyanate and carry out heating water bath stirring, setting bath temperature is 75 DEG C,
2.5h is stirred with the revolving speed of 300 r/min；Then, bath temperature is reduced to 65 DEG C, the 2 of 2.3g is added into reaction solution,
2- dimethylolpropionic acid stirs 2h with the revolving speed of 300r/min；Bath temperature is cooled to 50 DEG C again, is added into reaction solution
1.5g triethylamine stirs 30min with the revolving speed of 300r/min；Finally, bath temperature is reduced to 30 DEG C again, into reaction solution
125g deionized water is added, no-solvent type aqueous polyurethane is obtained with the revolving speed high-speed stirred 60min of 1000r/min.
Embodiment 4
Firstly, 30g polycaprolactone is taken to be placed in a vacuum drying oven, 110 DEG C at a temperature of carry out vacuum drying 2h, pour into three mouthfuls
In flask and the progress heating water bath stirring of 15g isophorone diisocyanate is added, setting bath temperature is 75 DEG C, with 300r/
The revolving speed of min stirs 2.5 h；Then, bath temperature is reduced to 65 DEG C, 2, the 2- dihydroxy first of 2.5g is added into reaction solution
Base butyric acid stirs 2h with the revolving speed of 300r/min；Bath temperature is cooled to 50 DEG C again, 0.7g hydrogen is added into reaction solution
Sodium oxide molybdena stirs 30 min with the revolving speed of 300r/min；Finally, bath temperature is reduced to 30 DEG C again, add into reaction solution
Enter 120g deionized water, with the revolving speed high-speed stirred 60min of 1000r/min, obtains no-solvent type aqueous polyurethane.
Embodiment 5
Firstly, 34g polycaprolactone is placed in a vacuum drying oven, after 110 DEG C of vacuum drying 2h, pours into three-necked flask and add
Add 19g methyl diphenylene diisocyanate, setting bath temperature is 80 DEG C, stirs 2.5h with the revolving speed of 300r/min；Then, will
Bath temperature is reduced to 65 DEG C, and 2, the 2- dimethylolpropionic acid of 2.7g is added into reaction solution, is stirred with the revolving speed of 300r/min
Mix 2h；Bath temperature is reduced to 50 DEG C again, 1.8 g triethylamines are added into reaction solution, is stirred with the revolving speed of 300r/min
30min；Finally, bath temperature is reduced to 30 DEG C again, 130g deionized water is added, into reaction solution with 1000r/min's
Revolving speed high-speed stirred 60min, obtains no-solvent type aqueous polyurethane.
Obtained no-solvent type aqueous polyurethane, the present inventor couple are prepared in order to test preparation method of the present invention
Embodiment 1-5 prepares obtained product and carries out Mechanics Performance Testing, the tensile strength and elongation at break of material in embodiment
It is surveyed using height spy's Weir (Dongguan) Co., Ltd AI-7000-NGD type servo material Multifunctional high-low temperature control testing machine
Fixed, test result is as shown in table 1.As it can be seen from table 1 no-solvent type aqueous polyurethane, tensile strength prepared by the present invention
In 40MPa or more, 1 ~ 2 times is improved compared to existing aqueous polyurethane.
The mechanical experimental results contrast table of aqueous polyurethane prepared by 1 present invention of table
| Implementation project | Tensile strength (MPa) | Elongation at break (%) |
| Embodiment 1 | 40.309 | 531.31 |
| Embodiment 2 | 43.442 | 577.297 |
| Embodiment 3 | 44.814 | 580.746 |
| Embodiment 4 | 42.678 | 591.657 |
| Embodiment 5 | 40.008 | 566.704 |
Claims (7)
1. a kind of preparation method of the no-solvent type aqueous polyurethane of high-tensile, which comprises the following steps:
Step 1: polymer diatomic alcohol is put into vacuum oven, 100~120 DEG C at a temperature of, carry out vacuum drying 1
~4h；
Step 2: the polymer diatomic alcohol after will be dry in step 1 pours into three-necked flask and adds diisocyanate, carries out
Heating water bath stirring, the bath temperature that reaction system is arranged is 70~85 DEG C, and the time of stirring is 2~3h；
Step 3: being reduced to 60~70 DEG C for the bath temperature of reaction system, is added 2 into the resulting reaction solution of step 2,
2- dimethylolpropionic acid stirs 1.5~2.5h；
Step 4: being reduced to 45~55 DEG C for the bath temperature of reaction system, into step 3 resulting reaction solution in addition
And agent, stir 20~45min；
Step 5: being reduced to 25~30 DEG C for the bath temperature of reaction system, is added and goes into the resulting reaction solution of step 4
Ionized water, 30~60min of high-speed stirred obtain no-solvent type aqueous polyurethane.
2. a kind of preparation method of the no-solvent type aqueous polyurethane of high-tensile according to claim 1, feature
It is,
In the step 1, the polymer diatomic alcohol is polytetrahydrofuran ether glycol, polycaprolactone, polycarbonate glycol, gathers
One or more of mixtures of adipate glycol, the molecular weight of polymer diatomic alcohol are 1000.
3. a kind of preparation method of the no-solvent type aqueous polyurethane of high-tensile according to claim 1 or 2, special
Sign is,
In the step 2, the diisocyanate is isophorone diisocyanate, toluene di-isocyanate(TDI), diphenyl methane
Diisocyanate or polymethylene multi-phenenyl isocyanate.
4. a kind of preparation method of the no-solvent type aqueous polyurethane of high-tensile according to claim 3, feature
It is,
In the step 4, neutralizer is sodium hydroxide, ammonium hydroxide or triethylamine.
5. a kind of preparation method of the no-solvent type aqueous polyurethane of high-tensile according to claim 4, feature
It is,
It is described Step 2: in three, four, the revolving speed of stirring is 200 ~ 400 r/min；
In the step 5, the revolving speed of stirring is 700 ~ 1200 r/min.
6. a kind of preparation method of the no-solvent type aqueous polyurethane of high-tensile according to claim 5, feature
It is,
Polymer diatomic alcohol: diisocyanate: 2,2- dimethylolpropionic acid: neutralizer: the mass ratio of deionized water be 23 ~
38:10 ~ 26:1.5 ~ 4.0:0.6 ~ 2.2:100 ~ 140.
7. the aqueous poly- ammonia of the no-solvent type for the high-tensile that preparation method as claimed in any one of claims 1 to 6 is prepared
Ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504064.XA CN109575232B (en) | 2018-12-10 | 2018-12-10 | Solvent-free waterborne polyurethane with high tensile strength and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504064.XA CN109575232B (en) | 2018-12-10 | 2018-12-10 | Solvent-free waterborne polyurethane with high tensile strength and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109575232A true CN109575232A (en) | 2019-04-05 |
| CN109575232B CN109575232B (en) | 2021-08-31 |
Family
ID=65928774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811504064.XA Active CN109575232B (en) | 2018-12-10 | 2018-12-10 | Solvent-free waterborne polyurethane with high tensile strength and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109575232B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862509A (en) * | 2019-11-29 | 2020-03-06 | 山东天庆科技发展有限公司 | Water-based solvent-free polyurethane resin and preparation method thereof |
| CN111909351A (en) * | 2020-06-23 | 2020-11-10 | 明新孟诺卡(浙江)新材料有限公司 | Synthetic method and application of waterborne polyurethane for microfiber impregnation |
| CN118029131A (en) * | 2024-04-12 | 2024-05-14 | 四川大学 | Modified wool fiber, preparation method, composite water-based resin and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090227732A1 (en) * | 2004-10-26 | 2009-09-10 | Degussa Gmbh | Use of an aqueous dispersion based on an unsaturated, amorphous polyester based on defined dicidol isomers |
| CN102516553A (en) * | 2011-11-18 | 2012-06-27 | 上海珀理玫化学科技有限公司 | Method for preparing hydrophilic polyurethane with numerous hydroxyls on side chains |
| CN107417873A (en) * | 2017-04-07 | 2017-12-01 | 中国科学院长春应用化学研究所 | A kind of aqueous polyurethane dispersion and its non-solvent preparation |
| CN108034033A (en) * | 2017-12-28 | 2018-05-15 | 长春市三化实业有限责任公司 | A kind of aqueous polyurethane emulsion and its non-solvent preparation |
| CN108424507A (en) * | 2017-02-15 | 2018-08-21 | 和友纺织股份有限公司 | The method for making aqueous polyurethane dispersing liquid with solvent-free processing procedure |
| CN108530600A (en) * | 2018-03-14 | 2018-09-14 | 西安理工大学 | A kind of solvent-free aqueous polyurethane and preparation method thereof |
-
2018
- 2018-12-10 CN CN201811504064.XA patent/CN109575232B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090227732A1 (en) * | 2004-10-26 | 2009-09-10 | Degussa Gmbh | Use of an aqueous dispersion based on an unsaturated, amorphous polyester based on defined dicidol isomers |
| CN102516553A (en) * | 2011-11-18 | 2012-06-27 | 上海珀理玫化学科技有限公司 | Method for preparing hydrophilic polyurethane with numerous hydroxyls on side chains |
| CN108424507A (en) * | 2017-02-15 | 2018-08-21 | 和友纺织股份有限公司 | The method for making aqueous polyurethane dispersing liquid with solvent-free processing procedure |
| CN107417873A (en) * | 2017-04-07 | 2017-12-01 | 中国科学院长春应用化学研究所 | A kind of aqueous polyurethane dispersion and its non-solvent preparation |
| CN108034033A (en) * | 2017-12-28 | 2018-05-15 | 长春市三化实业有限责任公司 | A kind of aqueous polyurethane emulsion and its non-solvent preparation |
| CN108530600A (en) * | 2018-03-14 | 2018-09-14 | 西安理工大学 | A kind of solvent-free aqueous polyurethane and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘益军: "《聚氨酯原料及助剂手册》", 30 April 2005, 化学工业出版社 * |
| 李仙会等: "高固含量无溶剂水性聚氨酯的制备", 《聚氨酯工业》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862509A (en) * | 2019-11-29 | 2020-03-06 | 山东天庆科技发展有限公司 | Water-based solvent-free polyurethane resin and preparation method thereof |
| CN111909351A (en) * | 2020-06-23 | 2020-11-10 | 明新孟诺卡(浙江)新材料有限公司 | Synthetic method and application of waterborne polyurethane for microfiber impregnation |
| CN118029131A (en) * | 2024-04-12 | 2024-05-14 | 四川大学 | Modified wool fiber, preparation method, composite water-based resin and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109575232B (en) | 2021-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liang et al. | Aqueous anionic polyurethane dispersions from castor oil | |
| CN109575232A (en) | A kind of no-solvent type aqueous polyurethane of high-tensile and preparation method thereof | |
| CN106397719B (en) | Hyperbranched UV cured polyurethane acrylate of castor oil-base and its preparation method and application | |
| CN107556452A (en) | A kind of castor oil-base hydrophilic chain extender and its preparation method and application | |
| DE10038941C2 (en) | Polyurethane (polymer hybrid) dispersion with reduced hydrophilicity, process for its preparation and its use | |
| CN107057027B (en) | A kind of preparation method of high-solid-content and low-viscosity aqueous polyurethane | |
| CN107418501A (en) | The biodegradable UV curing adhesives of vegetable oil-based polyols type and preparation method | |
| CN103254396B (en) | Fluorescent waterborne polyurethane based on chromophore in dihydric alcohol and preparation method thereof | |
| CN107446457A (en) | Solventless method prepares aqueous acrylic modified polyurethane hybrid resin | |
| CN101759841B (en) | Core-shell type aqueous polyurethane-acrylic ester emulsion original position radiation polymerization method | |
| CN107903373B (en) | UV-cured water-based hyperbranched polyurethane acrylate and preparation method thereof | |
| CN107099015A (en) | A kind of modified aqueous polyurethane dispersoid and preparation method thereof | |
| CN103805122A (en) | Waterborne polyurethane patch adhesive and preparation method thereof | |
| CN108330712A (en) | Printing mortar is used poly-（Carbonic ester-ether）Type polyurethane lotion and preparation method | |
| CN110606931A (en) | Preparation method of waterborne light-cured self-repairing polyurethane resin | |
| CN106957406A (en) | A kind of calixarene type light-cured polyurethane resin and its coatings of preparation | |
| CN106928428B (en) | Aqueous polyurethane emulsion and preparation method thereof | |
| Huang et al. | Blending polar rubber with polyurethane to construct self-healing rubber with multiple hydrogen bond networks | |
| CN106188563A (en) | A kind of end hydrazide group branch polyurethane dispersion and preparation method and application | |
| CN111217974A (en) | Self-repairable polyurethane material and preparation method and application thereof | |
| CN109251301A (en) | A kind of preparation method and composition of the aqueous oligomer of photopolymerization organosilicon polyurethane acrylate | |
| CN111909611A (en) | High-elongation anti-sagging polyurethane waterproof coating and preparation method thereof | |
| CN108329342A (en) | A kind of organo-silicon coupling agent and its preparation method and application | |
| CN113185643B (en) | Synthesis and application of modified aqueous polyurethane resin dispersoid | |
| CN107325246B (en) | Modified polyurethane oligomer, preparation method thereof and application thereof in photocuring digital ink-jet printing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |