CN105482068B - A kind of aqueous Polypropylene carbonate type polyurethane lotion and preparation method thereof - Google Patents
A kind of aqueous Polypropylene carbonate type polyurethane lotion and preparation method thereof Download PDFInfo
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- 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
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- C08G18/68—Unsaturated polyesters
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- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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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
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
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- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
- C08G18/3857—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur having nitrogen in addition to sulfur
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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
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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- 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
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- 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
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
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Abstract
A kind of aqueous Polypropylene carbonate type polyurethane lotion of present invention offer is made of following component by weight：Side chain contains 100 parts of the poly (propylene carbonate) polyalcohol of unsaturated double-bond, 3 10 parts of hydrophilic chain extender, 0.1 10 parts of polymerization inhibitor, 20 100 parts of polyisocyanates, 1 10 parts of chain extension-crosslinking agent, 2 10 parts of salt forming agent, 100 300 parts of deionized water.The present invention also provides the preparation methods of the aqueous Polypropylene carbonate type polyurethane lotion.The side chain of aqueous Polypropylene carbonate type polyurethane lotion provided by the invention contains unsaturated double-bond, can be further crosslinked, and obtains that hardness, intensity are higher and the preferable cross-linked type polyurethane product of solvent resistance.
Description
Technical field
The present invention relates to a kind of aqueous polyurethane emulsions, more particularly to a kind of aqueous Polypropylene carbonate type polyurethane breast
Liquid and preparation method thereof.
Background technology
Aqueous polyurethane is a kind of new material, can be applied to the fields such as adhesive, coating, paint, ink.Traditional is molten
Dosage form polyurethane is not only inflammable, easy using a large amount of solvent, such as toluene, benzene, butanone, dimethylbenzene, alkyl chloride, these solvents
Quick-fried, volatile, and smell is big, when use, can cause serious air pollution, cause potentially to injure to human body.In recent years with
The enhancing of Public environmental attitude, higher and higher to the environmental requirement of material, aqueous polyurethane using water due to replacing organic solvent
As decentralized medium, VOC content is low, and smell is small, free from environmental pollution, belongs to environmental-friendly class material, so receiving extensive
Concern.The type of aqueous polyurethane emulsion is more and more on the market, and purposes is more and more extensive, and yield is also increasing, just gradually
Substitution conventional solvent type polyurethane enters market application.
Since polyester polyol is easy to happen hydrolysis, aqueous polyurethane is gathered based on polyether polyol substantially
Ether type aqueous polyurethane low-temperature flexibility is good, hydrolysis, but film strength of the polyurethane after film forming is low, scratch resistance
Difference bonds force difference, and application places are limited.Although adhesion strength can be obtained using PolyTHF, the own esterdiol of polymerized thylene carbonate
High, wearability and the excellent aqueous polyurethane of scraping and wiping resistance performance, but product cost is higher, is unfavorable for industrialized extensive life
Production, limits and uses and promote.
In polyurethane products, hardness, intensity, the solvent resistance of cross-linked type polyurethane are above the linear poly- of similar formula
Urethane, and with the increase of crosslink density, hardness, intensity, the solvent resistance of product are correspondingly improved, and current polyurethane
Institute common polyethers, polyester, polycarbonate polyol etc. are mostly linear products when material preparation process, therefore are prepared poly-
Urethane material is generally relatively low with hardness, intensity after solidification, the poor problem of solvent resistance.
Invention content
The technical problem to be solved in the present invention is to provide a kind of aqueous Polypropylene carbonate type polyurethane lotion, side chain contains
There is unsaturated double-bond, can be further crosslinked, obtains that hardness, intensity is higher and the poly- ammonia of the preferable cross-linking type of solvent resistance
Ester product.
In order to solve the above technical problems, the technical scheme is that：
A kind of aqueous Polypropylene carbonate type polyurethane lotion is made of following component by weight：Side chain contains not
It is saturated 100 parts of the poly (propylene carbonate) polyalcohol of double bond, 3-10 parts of hydrophilic chain extender, 0.1-10 parts of polymerization inhibitor, polyisocyanates
20-100 parts, 1-10 parts of chain extension-crosslinking agent, 2-10 parts of salt forming agent, 100-300 parts of deionized water.
Preferably, the poly (propylene carbonate) polyalcohol that side chain of the present invention contains unsaturated double-bond is to be with carbon dioxide
Starting material, under initiator, catalyst action with propylene oxide, allyl glycidyl ether copolymerization；The side chain
The molecular weight of poly (propylene carbonate) polyalcohol containing unsaturated double-bond is 1000-8000, hydroxy functionality 2-6, intramolecular
The mole fraction of carbonate group is 0.25-0.45, and each molecule internal double bond is 1-10.It is highly preferred that the side chain contains
The molecular weight 1500-4000 of the poly (propylene carbonate) polyalcohol of unsaturated double-bond, hydroxy functionality 2-3, intramolecular carbonic ester
The mole fraction of group is 0.3-0.40, and each molecule internal double bond is 2-6.
Preferably, hydrophilic chain extender of the present invention is N, N- dihydroxy ethyl lists maleamic acid, dihydromethyl propionic acid, two
Hydroxymethylbutyrate, N, N- (2- ethoxys) -2-aminoethanesulfonic acid, one kind in N- (2- amino-ethyls) -2- aminopropanesulfonic acids or
The parts by weight of several mixtures, the hydrophilic chain extender are 4-8 parts.
Preferably, polymerization inhibitor of the present invention is one in 2,6-di-tert-butyl p-cresol, Isosorbide-5-Nitrae-benzoquinones, 1, 4-benzenediol
The parts by weight of kind or several mixtures, the polymerization inhibitor are 1-5 parts.
Preferably, polyisocyanates of the present invention is toluene di-isocyanate(TDI) TDI, methyl diphenylene diisocyanate
The parts by weight of the mixture of one or more of MDI, Carbodiimide-Modified MDI, the polyisocyanates are 30-70 parts.
Preferably, chain extension-crosslinking agent of the present invention is the small molecule polyol of 2-6 degrees of functionality, the 2-6 degrees of functionality
Small molecule polyol is ethylene glycol, diethylene glycol, 1,2- propylene glycol, 1,3- propylene glycol, dipropylene glycol, diethylene glycol, 1,4- fourths
The mixture of one or more of glycol, pentanediol, 1,6- hexylene glycols, glycerine, trimethylolpropane, pentaerythrite, institute
The parts by weight for stating chain extension-crosslinking agent are 3-8 parts.
Preferably, salt forming agent of the present invention be triethylamine, tripropyl amine (TPA), tri-n-butylamine, sodium hydroxide, one kind in ammonium hydroxide or
The molar ratio of several mixtures, the salt forming agent and hydrophilic chain extender is 0.8-1.2:1.It is highly preferred that the salt forming agent with
The molar ratio of hydrophilic chain extender is 0.9-1.1:1.
Another technical problem to be solved by the present invention is that providing the system of above-mentioned aqueous Polypropylene carbonate type polyurethane lotion
Preparation Method.
In order to solve the above technical problems, technical solution is：
Each component is weighed by formula ratio, after the polynary dehydration of alcohols of poly (propylene carbonate) that side chain is contained to unsaturated double-bond, is added
Enter hydrophilic chain extender, polymerization inhibitor, polyisocyanates, reacted 0.5-4 hours at 40-100 DEG C, be cooled to 60-80 DEG C, is added and expands
Chain crosslinking agent reacts 0.5-8 hours, and acetone viscosity reduction is added, and cools to -30-40 DEG C, and salt forming agent is added and reacts 0.1-2 hours, adds
Enter deionized water, in -30-0 DEG C of emulsified reactions 0.1-2 hours, it is poly- to obtain aqueous polypropylene carbonate type for removed under reduced pressure acetone
Urethane lotion.
Compared with prior art, the invention has the advantages that：
Aqueous Polypropylene carbonate type polyurethane lotion side chain prepared by the present invention contains unsaturated double-bond, free radical,
Under the initiators such as light, heat cause, the pendant double bonds of intramolecular or intermolecular pendant double bonds can crosslink reaction, so as to
To hardness, intensity is higher and the preferable cross-linked type polyurethane product of solvent resistance.
Specific implementation mode
Below in conjunction with specific embodiment, the present invention will be described in detail, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1
100 parts by weight side chains are contained into unsaturated double-bond, molecular weight 3000, hydroxy functionality 2, intramolecular carbonate group
Group's mole fraction is 0.25, intramolecular be averaged after the polynary dehydration of alcohols of poly (propylene carbonate) that double bond content is 1,0.1 weight of addition
Part 2,6-di-tert-butyl p-cresol, 5 part by weight of hydrophilic chain extender dihydromethyl propionic acids, 30 parts by weight of toluene diisocyanate are 80
It is reacted 4 hours at DEG C, is cooled to 60 DEG C, 4 parts by weight glycol reaction is added 0.5 hour, 10 pbw acetone viscosity reductions, drop is added
Temperature arrives -30 DEG C, and 3.76 parts by weight salt forming agent triethylamines are added, and is equivalent to every moles hydrophilic chain extender and uses 1 mole of salt forming agent, instead
Answer 0.1 hour, be added 270 parts by weight of deionized water, -30 DEG C it is emulsified reaction 2 hours, removed under reduced pressure acetone, admittedly contained
Amount is 34.6%, the aqueous Polypropylene carbonate type polyurethane lotion of stable storing.
Embodiment 2
100 parts by weight side chains are contained into unsaturated double-bond, molecular weight 2000, hydroxy functionality 2, intramolecular carbonate group
Group's mole fraction is 0.30, intramolecular be averaged after the polynary dehydration of alcohols of poly (propylene carbonate) that double bond content is 2,1 parts by weight of addition
2,6-di-tert-butyl p-cresol, 6 part by weight of hydrophilic chain extender N, N- (2- ethoxys) -2-aminoethanesulfonic acids, 32.6 parts by weight first
Phenylene diisocyanate reacts 4 hours at 70 DEG C, is cooled to 60 DEG C, and 4 parts by weight 1,4-butanediol are added and react 0.5 hour, add
Enter 60 pbw acetone viscosity reductions, cool to -30 DEG C, 3.4 parts by weight salt forming agent triethylamines are added, are equivalent to every moles hydrophilic chain extension
Agent use 1.2 moles of salt forming agents, react 2 hours, be added 200 parts by weight of deionized water, -20 DEG C it is emulsified reaction 0.5 hour,
Removed under reduced pressure acetone, it is 42.3% to obtain solid content, the aqueous Polypropylene carbonate type polyurethane lotion of stable storing.
Embodiment 3
100 parts by weight side chains are contained into unsaturated double-bond, molecular weight 3000, hydroxy functionality 2, intramolecular carbonate group
Group's mole fraction is 0.35, intramolecular be averaged after the polynary dehydration of alcohols of poly (propylene carbonate) that double bond content is 6,8 parts by weight of addition
Hydrophilic chain extender dimethylolpropionic acid, 70 parts by weight Carbodiimide-Modified MDI react 0.5 hour at 100 DEG C, are cooled to 60
DEG C, 9 parts by weight diethylene glycols are added and react 0.5 hour, 50 pbw acetone viscosity reductions are added, cool to -30 DEG C, 2.4 weights are added
Part salt forming agent sodium hydroxide is measured, every moles hydrophilic chain extender is equivalent to and uses 0.8 mole of salt forming agent, react 0.1 hour, be added
300 parts by weight of deionized water, -20 DEG C it is emulsified reaction 0.5 hour, removed under reduced pressure acetone, obtain solid content be 38.7%, storage
Deposit stable aqueous Polypropylene carbonate type polyurethane lotion.
Embodiment 4
100 parts by weight side chains are contained into unsaturated double-bond, molecular weight 4000, hydroxy functionality 2, intramolecular carbonate group
Group's mole fraction is 0.4, intramolecular be averaged after the polynary dehydration of alcohols of poly (propylene carbonate) that double bond content is 3, and it is close that 6 parts by weight are added
Water chain extender dimethylolpropionic acid, 57 parts by weight Carbodiimide-Modified MDI react 4 hours at 65 DEG C, are cooled to 60 DEG C, add
Enter 6 parts by weight of propylene glycol to react 0.5 hour, 100 pbw acetone viscosity reductions be added, cool to -20 DEG C, be added 1.42 parts by weight at
Salt agent sodium hydroxide is equivalent to every moles hydrophilic chain extender and uses 0.9 mole of salt forming agent, react 0.1 hour, 300 weight are added
Part deionized water, in -20 DEG C of emulsified reactions 0.5 hour, removed under reduced pressure acetone obtained the aqueous poly- carbon that solid content is 36.2%
Sour Asia propyl ester type polyurethane lotion.
Embodiment 5
100 parts by weight side chains are contained into unsaturated double-bond, molecular weight 3000, hydroxy functionality 2, intramolecular carbonate group
Group's mole fraction is 0.30, intramolecular be averaged after the polynary dehydration of alcohols of poly (propylene carbonate) that double bond content is 2,1 parts by weight of addition
Isosorbide-5-Nitrae-benzoquinones, 4 part by weight of hydrophilic chain extender dihydromethyl propionic acids, 4 part by weight of hydrophilic chain extender N, N- (2 amino-ethyl) -2- ammonia
Base ethanesulfonic acid, 25 parts by weight methyl diphenylene diisocyanates react 0.5 hour at 90 DEG C, are cooled to 60 DEG C, and 3 weight are added
Part dipropylene glycol is reacted 0.5 hour, and 50 pbw acetone viscosity reductions are added, and cools to -30 DEG C, and 5.4 parts by weight salt forming agents three are added
Ethamine is equivalent to every moles hydrophilic chain extender and uses 1.1 moles of salt forming agents, react 1 hour, 100 parts by weight of deionized water are added,
- 20 DEG C it is emulsified reaction 0.5 hour, removed under reduced pressure acetone, obtain solid content be 58.5% aqueous polypropylene carbonate type
Polyaminoester emulsion.
Embodiment 6
100 parts by weight side chains are contained into unsaturated double-bond, molecular weight 3000, hydroxy functionality 2, intramolecular carbonate group
Group's mole fraction is 0.30, intramolecular be averaged after the polynary dehydration of alcohols of poly (propylene carbonate) that double bond content is 2,5 parts by weight of addition
1, 4-benzenediol, 4 part by weight of hydrophilic chain extender dihydromethyl propionic acids, 4 part by weight of hydrophilic chain extender N- (2 amino-ethyl) -2- ammonia
Base ethanesulfonic acid, 30 parts by weight of toluene diisocyanate react 0.5 hour at 90 DEG C, are cooled to 70 DEG C, and 3 parts by weight dipropyls are added
Glycol reacts 0.5 hour, and 50 pbw acetone viscosity reductions are added, and cools to -30 DEG C, and 5.9 parts by weight salt forming agent triethylamines, phase is added
When using 1.2 moles of salt forming agents in every moles hydrophilic chain extender, reacts 1 hour, 150 parts by weight of deionized water are added, at -20 DEG C
Emulsified reaction 0.5 hour, removed under reduced pressure acetone obtain the aqueous Polypropylene carbonate type polyurethane breast that solid content is 50%
Liquid.
Embodiment 7
100 parts by weight side chains are contained into unsaturated double-bond, molecular weight 4000, hydroxy functionality 2, intramolecular carbonate group
Group's mole fraction is 0.33, intramolecular be averaged after the polynary dehydration of alcohols of poly (propylene carbonate) that double bond content is 4,1 parts by weight of addition
1, 4-benzenediol, 4 part by weight of hydrophilic chain extender dihydromethyl propionic acids, 4 part by weight of hydrophilic chain extender N- (2 amino-ethyl) -2- ammonia
Base ethanesulfonic acid, 36 parts by weight methyl diphenylene diisocyanates react 3 hours at 90 DEG C, are cooled to 80 DEG C, and 3 parts by weight are added
Dipropylene glycol is reacted 0.5 hour,
100 pbw acetone viscosity reductions are added, cool to 30 DEG C, the ammonium hydroxide of 3.3 parts by weight salt forming agents 25% is added, is equivalent to
1 mole of salt forming agent is used per moles hydrophilic chain extender, is reacted 1 hour, 300 parts by weight of deionized water are added, it is emulsified anti-at 0 DEG C
It answers 2 hours, removed under reduced pressure acetone, obtains the aqueous Polypropylene carbonate type polyurethane lotion that solid content is 33%.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (7)
1. a kind of aqueous Polypropylene carbonate type polyurethane lotion, it is characterised in that：By weight, it is made of following component：
Side chain contains 100 parts of the poly (propylene carbonate) polyalcohol of unsaturated double-bond, 4-8 parts of hydrophilic chain extender, and 0.1-10 parts of polymerization inhibitor is more
20-100 parts of isocyanates, 3-8 parts of chain extension-crosslinking agent, 2-10 parts of salt forming agent, 100-300 parts of deionized water；The side chain contains
The poly (propylene carbonate) polyalcohol of unsaturated double-bond be using carbon dioxide as starting material, under initiator, catalyst action with
Propylene oxide, allyl glycidyl ether copolymerization；The poly (propylene carbonate) that the side chain contains unsaturated double-bond is polynary
The molecular weight of alcohol is 1000-8000, and the mole fraction of hydroxy functionality 2-6, intramolecular carbonate group are 0.25-0.45,
Each molecule internal double bond is 1-10；The hydrophilic chain extender be N, N- dihydroxy ethyl lists maleamic acid, dihydromethyl propionic acid,
The mixture of one or more of dimethylolpropionic acid, N- (2- amino-ethyls) -2- aminopropanesulfonic acids；The chain extension-crosslinking agent
Small molecule polyol for the small molecule polyol of 2-6 degrees of functionality, the 2-6 degrees of functionality is ethylene glycol, 1,2-PD, 1,3-
Propylene glycol, dipropylene glycol, diethylene glycol, 1,4- butanediols, pentanediol, 1,6-HD, glycerine, trimethylolpropane, season
The mixture of one or more of penta tetrol.
2. a kind of aqueous Polypropylene carbonate type polyurethane lotion according to claim 1, it is characterised in that：The side chain
The molecular weight 1500-4000 of poly (propylene carbonate) polyalcohol containing unsaturated double-bond, hydroxy functionality 2-3, intramolecular carbon
The mole fraction of acid esters group is 0.3-0.40, and each molecule internal double bond is 2-6.
3. a kind of aqueous Polypropylene carbonate type polyurethane lotion according to claim 1, it is characterised in that：The inhibition
Agent is the mixture of one or more of 2,6-di-tert-butyl p-cresol, Isosorbide-5-Nitrae-benzoquinones, 1, 4-benzenediol, the polymerization inhibitor
Parts by weight are 1-5 parts.
4. a kind of aqueous Polypropylene carbonate type polyurethane lotion according to claim 1, it is characterised in that：The polyisocyanate
Cyanate is one or more of toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, Carbodiimide-Modified MDI
The parts by weight of mixture, the polyisocyanates are 30-70 parts.
5. a kind of aqueous Polypropylene carbonate type polyurethane lotion according to claim 1, it is characterised in that：It is described at salt
Agent is the mixture of triethylamine, tripropyl amine (TPA), tri-n-butylamine, sodium hydroxide, one or more of ammonium hydroxide, the salt forming agent with it is hydrophilic
The molar ratio of chain extender is 0.8-1.2:1.
6. a kind of aqueous Polypropylene carbonate type polyurethane lotion according to claim 5, it is characterised in that：It is described at salt
The molar ratio of agent and hydrophilic chain extender is 0.9-1.1:1.
7. a kind of preparation side of aqueous Polypropylene carbonate type polyurethane lotion according to claim 1~6 any one
Method, it is characterised in that：
Each component is weighed by formula ratio, after the polynary dehydration of alcohols of poly (propylene carbonate) that side chain is contained to unsaturated double-bond, parent is added
Water chain extender, polymerization inhibitor, polyisocyanates react 0.5-4 hours at 65-100 DEG C, are cooled to 60-80 DEG C, and chain extension is added and hands over
Join agent to react 0.5-8 hours, acetone viscosity reduction is added, cool to -30-40 DEG C, salt forming agent is added and reacts 0.1-2 hours, addition is gone
Ionized water, in -30-0 DEG C of emulsified reactions 0.1-2 hours, removed under reduced pressure acetone obtained aqueous Polypropylene carbonate type polyurethane
Lotion.
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| CN109790275B (en) * | 2016-10-12 | 2022-03-15 | 科思创德国股份有限公司 | Process for preparing multiple bond-containing prepolymers as elastomer precursors |
| CN106589300A (en) * | 2016-12-27 | 2017-04-26 | 广东工业大学 | Flame-resistant type polyurethane emulsion and preparation method thereof |
| CN108084426B (en) * | 2017-12-28 | 2020-12-15 | 惠州大亚湾达志精细化工有限公司 | Poly (propylene carbonate) polyol with side chain containing carboxyl and preparation method thereof |
| CN108383976B (en) * | 2018-02-28 | 2020-03-13 | 中国科学院长春应用化学研究所 | Carbon dioxide-based cationic waterborne polyurethane resin and preparation method thereof, and cationic waterborne adhesive and preparation method thereof |
| CN109694456A (en) * | 2018-12-28 | 2019-04-30 | 广东工业大学 | A kind of high rigidity, aqueous polyurethane emulsion of resistance to ethyl alcohol and preparation method thereof |
| CN109749053A (en) * | 2018-12-29 | 2019-05-14 | 华南理工大学 | A kind of dispersions of polyurethanes and preparation method thereof containing polycarbodiimide |
| CN110499094B (en) * | 2019-08-28 | 2021-07-16 | 青岛水性七彩新材料有限公司 | Graphene-modified waterborne polyurethane anticorrosive paint and preparation method thereof |
| CN113336910A (en) * | 2021-05-24 | 2021-09-03 | 合肥科天水性科技有限责任公司 | Bio-based polyurethane water-based ink and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1775828A (en) * | 2005-11-21 | 2006-05-24 | 中国科学院长春应用化学研究所 | Method for preparing crosslinked aliphatic series polycarbonate |
| CN103755911A (en) * | 2014-01-08 | 2014-04-30 | 广东工业大学 | Preparation method of environment-friendly aqueous polyurethane coating of polypropylene carbonate type |
| CN104710770A (en) * | 2013-12-11 | 2015-06-17 | Sk新技术株式会社 | Aliphatic polycarbonate-polyurethane composition and aliphatic polycarbonate-polyurethane resin |
-
2015
- 2015-12-28 CN CN201511015795.4A patent/CN105482068B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1775828A (en) * | 2005-11-21 | 2006-05-24 | 中国科学院长春应用化学研究所 | Method for preparing crosslinked aliphatic series polycarbonate |
| CN104710770A (en) * | 2013-12-11 | 2015-06-17 | Sk新技术株式会社 | Aliphatic polycarbonate-polyurethane composition and aliphatic polycarbonate-polyurethane resin |
| CN103755911A (en) * | 2014-01-08 | 2014-04-30 | 广东工业大学 | Preparation method of environment-friendly aqueous polyurethane coating of polypropylene carbonate type |
Non-Patent Citations (2)
| Title |
|---|
| 内交联型聚碳酸亚丙酯水性聚氨酯的制备;刘化珍等;《精细化工》;20140430;第31卷(第4期);1.2.1水性聚氨酯乳液的制备，表1 * |
| 基于聚碳酸亚丙酯二元醇的水性聚氨酯的制备及其在水性木器涂料中的应用研究;许宁等;《中国涂料》;20150630;第30卷(第06期);第31-36页 * |
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