CN104804165A - Waterborne polyurethane emulsion, preparation method for waterborne polyurethane emulsion, application of waterborne polyurethane emulsion to wallpaper basement membrane and wallpaper basement membrane - Google Patents
Waterborne polyurethane emulsion, preparation method for waterborne polyurethane emulsion, application of waterborne polyurethane emulsion to wallpaper basement membrane and wallpaper basement membrane Download PDFInfo
- Publication number
- CN104804165A CN104804165A CN201510216470.6A CN201510216470A CN104804165A CN 104804165 A CN104804165 A CN 104804165A CN 201510216470 A CN201510216470 A CN 201510216470A CN 104804165 A CN104804165 A CN 104804165A
- Authority
- CN
- China
- Prior art keywords
- polyurethane emulsion
- aqueous polyurethane
- basement membrane
- waterborne polyurethane
- wallpaper
- 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
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
- C08G18/28—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
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
Abstract
The invention relates to waterborne polyurethane emulsion which is prepared from the following raw materials in parts by weight: 100-120 parts of polyester polyol, 45-55 parts of diisocyanate, 10-12 parts of hydrophilic chain extender, 7-9 parts of a salt-forming agent, 270-300 parts of water and 0.5-1 part of an end-capping agent containing fluorocarbon groups. The invention further relates to a preparation method for the waterborne polyurethane emulsion, an application of the waterborne polyurethane emulsion to a wallpaper basement membrane and the wallpaper basement membrane. The waterborne polyurethane emulsion has the advantages of no pungent smell, environmental protection, good membrane-forming property and adhesion, and very good water-proof and alkali-proof properties; the preparation method for the waterborne polyurethane emulsion has the advantages of simplicity, easiness for operation and favorability for large-scale production and application; the wallpaper basement membrane has the benefit of capability of guaranteeing good water-proof and alkali-proof properties and product stability and enriching the types of wallpaper basement membrane products at the same time.
Description
Technical field
The present invention relates to film forming material technical field, particularly a kind of aqueous polyurethane emulsion and preparation method thereof and at the epilamellar application of wallpaper, wallpaper basement membrane.
Background technology
Wallpaper basement membrane is one matching used novel wall surface process material when wallpaper is pasted.Before wallpaper is pasted, be coated with last layer wallpaper basement membrane at metope, it just can form the protective membrane of one deck densification at metope, prevent moisture content and alkaline matter from exosmosing, and effectively extends the work-ing life of wallpaper, simultaneously for the later stage replacing of wallpaper provides convenient.The using method of wallpaper basement membrane is very simple: the cylinder adopting roller coating material, equably by basement membrane roller coating on metope, after basement membrane drying, wallpaper is sticked.
Wallpaper basement membrane kind of the prior art is single, and main film forming matter is benzene emulsion.And benzene emulsion is low smell emulsion, can discharge the organic gas that some are harmful, therefore pollute living environment, bring harm to the healthy of people, it does not reach the standard of completely tasteless environmentally friendly machine.
The patent No. be 201410778447 Chinese patent application disclose a kind of Polyurethane Thermoplastic Elastomer and preparation method thereof.Polyurethane Thermoplastic Elastomer is made up of the raw material of following weight percent: polyester polyol 61-69%, vulcabond 24-30%, chainextender 4-8%, catalyzer 0.005-0.012%, antiaging agent 0.3-1%.TPU synthesized by above-mentioned Polyurethane Thermoplastic Elastomer contains the chemically crosslinked of trace at its soft chain segment, soft chain segment and hard segment microcell, imparts the good over-all properties of TPU and lower tensile set characteristic; When TPU is used for the goods such as processed pine taut band or elastic thread, low tensile set characteristic substantially prolongs its dimensional stability and wearing quality, and goods have good elasticity and processability.Namely adopt the proportioning of " polyester polyol 61-69%, vulcabond 24-30%, chainextender 4-8% ", obtain the TPU of lower tensile set characteristic.Disclosed in above-mentioned application, aqueous polyurethane emulsion does not have the character of waterproof alkali prevention, is openly applied in wallpaper basement membrane technical field by aqueous polyurethane emulsion yet.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and have good waterproof alkali prevention performance, completely tasteless and aqueous polyurethane emulsion of environmental protection and preparation method thereof and in the epilamellar application of wallpaper, provide a kind of wallpaper basement membrane comprising above-mentioned aqueous polyurethane emulsion further.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of aqueous polyurethane emulsion, comprises following raw material and is prepared from: polyester polyol 100-120 part, vulcabond 45-55 part, hydrophilic chain extender 10-12 part, salt forming agent 7-9 part, water 270-300 part and the end-capping reagent 0.5-1 part containing fluorocarbon group.
The present invention also provides a kind of preparation method of above-mentioned aqueous polyurethane emulsion, polyester polyol is mixed with vulcabond, 2-3h is stirred under 80-90 DEG C of condition, then hydrophilic chain extender is added, 3-4h is stirred under 70-80 DEG C of condition, cool the temperature to 35-45 DEG C, then salt forming agent is added, prepolymer is obtained after abundant stirring, being added by described prepolymer carries out in the water stirred with 800-3000r/min speed, be stirred to solution fully emulsified, then add end-capping reagent, fully obtain described aqueous polyurethane emulsion after reaction.
The present invention also provides a kind of above-mentioned aqueous polyurethane emulsion in the epilamellar application of wallpaper.
The present invention also provides a kind of wallpaper basement membrane, comprises following raw material and is prepared from: above-mentioned aqueous polyurethane emulsion 95-105 part, mould inhibitor 1-2 part, thickening material 0.5-1 part and defoamer 0.5-1 part.
The beneficial effect of aqueous polyurethane emulsion of the present invention is:
(1) adopt water as solvent, raw material comprises polyester polyol, vulcabond, hydrophilic chain extender, salt forming agent and the end-capping reagent containing fluorocarbon group, has no irritating odor in formula completely not with an organic solvent, do not pollute domestic environment, there is the advantage of environmental protection;
(2) aqueous polyurethane emulsion of the present invention has the good film forming properties consistent with aqueous polyurethane emulsion of the prior art and sticking power, in addition, by comprising polyester polyol, vulcabond, the design of components of the aqueous polyurethane emulsion of hydrophilic chain extender and salt forming agent, the hard section in the polyurethane molecular in aqueous polyurethane emulsion is made to form crystallization, crystallization is conducive to the formation limiting space after film forming, and then stop water molecules or alkali ion to the infiltration in space, swelling, thus there is certain waterproof alkali prevention performance, fluorine carbon functional group is introduced again by the end-capping reagent containing fluorocarbon group, namely fluorine richness polyaminoester emulsion is obtained, the upper layer being rich in fluorine carbon side chain is formed after the polyurethane film-forming of fluorine richness, surface tension declines, water contact angle improves, serve hydrophobic effect further, thus improve the waterproof alkali prevention performance of film forming greatly,
(3) water-base polyurethane material superior performance, and by the adjustment of soft or hard section, the polyaminoester emulsion that various different application requires can be met.
The beneficial effect of the preparation method of aqueous polyurethane emulsion of the present invention is:
(1) preparation method is simple, easy to operate, is beneficial to large-scale production application; The aqueous polyurethane emulsion prepared has good waterproof alkali prevention performance;
(2) hybrid reaction of polyester polyol and vulcabond is controlled in 80-90 DEG C, after adding hydrophilic chain extender, temperature is controlled in 70-80 DEG C, temperature can be controlled in reaction heat point range, prevent reaction too violent, ensure carrying out smoothly of reaction, to a certain degree can improve reaction efficiency simultaneously; 35-45 DEG C is cooled the temperature to, because temperature of reaction is higher before, if neutralize under this condition when adding salt forming agent, can fever phenomenon be caused, the temperature of reaction system be raised rapidly, if temperature is too low, the viscosity of prepolymer can be made to become large, cause the problem of emulsion dispersion difficulty in follow-up emulsifying step;
(3) by the control of the temperature and time in above-mentioned preparation method and the order that adds as raw material, namely two-step approach is adopted to feed in raw material, first mixed with vulcabond by polyester polyol, then added at second step by hydrophilic chain extender, the emulsion particle diameter obtained is little, emulsion is turned blue, performance is more stable, and according to single stage method reinforced (i.e. all raw materials of disposable interpolation), the aqueous polyurethane emulsion particle diameter obtained is relatively large, emulsion is turned white, and performance is also more unstable.
The beneficial effect of wallpaper basement membrane of the present invention is:
(1) add mould inhibitor, thickening material and defoamer, while ensureing good waterproof alkali prevention performance, improve the stability of product;
(2) provide and aqueous polyurethane is applied to this thinking of wallpaper basement membrane field, for water-base polyurethane material widens the scope of use; Field for wallpaper basement membrane provides new product, enriches wallpaper basement membrane product category.
Embodiment
By describing technology contents of the present invention in detail, being realized object and effect, be explained below in conjunction with embodiment.
The design of most critical of the present invention is: be applied to by aqueous polyurethane emulsion in wallpaper basement membrane, and passes through the design of its component, makes it have waterproof alkali prevention performance.
The invention provides a kind of aqueous polyurethane emulsion, comprise following raw material and be prepared from: polyester polyol 100-120 part, vulcabond 45-55 part, hydrophilic chain extender 10-12 part, salt forming agent 7-9 part, water 270-300 part and the end-capping reagent 0.5-1 part containing fluorocarbon group.
From foregoing description, beneficial effect of the present invention is:
(1) adopt water as solvent, raw material comprises polyester polyol, vulcabond, hydrophilic chain extender, salt forming agent and the end-capping reagent containing fluorocarbon group, has no irritating odor in formula completely not with an organic solvent, do not pollute domestic environment, there is the advantage of environmental protection;
(2) aqueous polyurethane emulsion of the present invention has the good film forming properties consistent with aqueous polyurethane emulsion of the prior art and sticking power, in addition, by comprising polyester polyol, vulcabond, the design of components of the aqueous polyurethane emulsion of hydrophilic chain extender and salt forming agent, the hard section in the polyurethane molecular in aqueous polyurethane emulsion is made to form crystallization, crystallization is conducive to the formation limiting space after film forming, and then stop water molecules or alkali ion to the infiltration in space, swelling, thus there is certain waterproof alkali prevention performance, fluorine carbon functional group is introduced again by the end-capping reagent containing fluorocarbon group, namely fluorine richness polyaminoester emulsion is obtained, the upper layer being rich in fluorine carbon side chain is formed after the polyurethane film-forming of fluorine richness, surface tension declines, water contact angle improves, serve hydrophobic effect further, thus improve the waterproof alkali prevention performance of film forming greatly,
(3) water-base polyurethane material superior performance, and by the adjustment of soft or hard section, the polyaminoester emulsion that various different application requires can be met.
Further, described polyester polyol is poly-hexanodioic acid system polyester diol.
Seen from the above description, described polyester polyol is preferably poly-hexanodioic acid system polyester diol, and preferably, described poly-hexanodioic acid system polyester diol can select polymerized thylene carbonate third fat glycol (PPC-3000).
Further, described vulcabond is one or more in isophorone diisocyanate, tolylene diisocyanate, diphenylmethanediisocyanate and hexamethylene diisocyanate.
Seen from the above description, described vulcabond is one or more in isophorone diisocyanate (IPDI), tolylene diisocyanate (TDI), diphenylmethanediisocyanate (MDI) and hexamethylene diisocyanate (HDI).
Further, described hydrophilic chain extender is 2,2-dimethylol propionic acid.
Seen from the above description, described hydrophilic chain extender is preferably 2,2-dimethylol propionic acid (DMPA).
Further, described salt forming agent is triethylamine.
Seen from the above description, described salt forming agent is preferably triethylamine.
Further, described end-capping reagent is trifluoroethanol.
Seen from the above description, described end-capping reagent is preferably trifluoroethanol.
The present invention also provides a kind of preparation method of above-mentioned aqueous polyurethane emulsion, polyester polyol is mixed with vulcabond, 2-3h is stirred under 80-90 DEG C of condition, then hydrophilic chain extender is added, 3-4h is stirred under 70-80 DEG C of condition, cool the temperature to 35-45 DEG C, then salt forming agent is added, prepolymer is obtained after abundant stirring, being added by described prepolymer carries out in the water stirred with 800-3000r/min speed, be stirred to solution fully emulsified, then add end-capping reagent, fully obtain described aqueous polyurethane emulsion after reaction.
The beneficial effect of the preparation method of aqueous polyurethane emulsion of the present invention is:
(1) preparation method is simple, easy to operate, is beneficial to large-scale production application; The aqueous polyurethane emulsion prepared has good waterproof alkali prevention performance;
(2) hybrid reaction of polyester polyol and vulcabond is controlled in 80-90 DEG C, after adding hydrophilic chain extender, temperature is controlled in 70-80 DEG C, temperature can be controlled in reaction heat point range, prevent reaction too violent, ensure carrying out smoothly of reaction, to a certain degree can improve reaction efficiency simultaneously; 35-45 DEG C is cooled the temperature to, because temperature of reaction is higher before, if neutralize under this condition when adding salt forming agent, can fever phenomenon be caused, the temperature of reaction system be raised rapidly, if temperature is too low, the viscosity of prepolymer can be made to become large, cause the problem of emulsion dispersion difficulty in follow-up emulsifying step;
(3) by the control of the temperature and time in above-mentioned preparation method and the order that adds as raw material, namely two-step approach is adopted to feed in raw material, first mixed with vulcabond by polyester polyol, then added at second step by hydrophilic chain extender, the emulsion particle diameter obtained is little, emulsion is turned blue, performance is more stable, and according to single stage method reinforced (i.e. all raw materials of disposable interpolation), the aqueous polyurethane emulsion particle diameter obtained is relatively large, emulsion is turned white, and performance is also more unstable.
The present invention also provides a kind of wallpaper basement membrane, comprises following raw material and is prepared from: above-mentioned aqueous polyurethane emulsion 95-105 part, mould inhibitor 1-2 part, thickening material 0.5-1 part and defoamer 0.5-1 part.
The beneficial effect of wallpaper basement membrane of the present invention is:
(1) add mould inhibitor, thickening material and defoamer, while ensureing good waterproof alkali prevention performance, improve the stability of product;
(2) provide and aqueous polyurethane is applied to this thinking of wallpaper basement membrane field, for water-base polyurethane material widens the scope of use; Field for wallpaper basement membrane provides new product, enriches wallpaper basement membrane product category.
Further, described thickening material is polyurethane associative thickener or cellulose thickener, and described defoamer is silicone based defoamer, and described mould inhibitor is water-soluble mildew preventive.
Seen from the above description, described thickening material is polyurethane associative thickener or cellulose thickener, described defoamer is silicone based defoamer, described mould inhibitor is water-soluble mildew preventive, preferred model is LM-76 mould inhibitor, LM-76 mould inhibitor is a kind of novel industrial fungicide, has mildew-resistant and antibacterial effect simultaneously, is one of the most effective antiseptic-germicide of industrial circle.
Further, comprise following raw material to be prepared from: aqueous polyurethane emulsion 100 parts, mould inhibitor 1-2 part, thickening material 0.5-1 part and defoamer 0.5-1 part.
Seen from the above description, the technical scheme when aqueous polyurethane emulsion weight part is 100 parts is preferred component proportion scheme, and its aqueous polyurethane emulsion obtained has better waterproof alkali prevention performance after film forming.
Embodiments of the invention one are:
Take polyester polyol 100 parts, vulcabond 45 parts, hydrophilic chain extender 10 parts, salt forming agent 7 parts, 270 parts, water and the end-capping reagent 0.5 part containing fluorocarbon group.Described polyester polyol is poly-hexanodioic acid system polyester diol.Described vulcabond is one or more in isophorone diisocyanate, tolylene diisocyanate, diphenylmethanediisocyanate and hexamethylene diisocyanate.Described hydrophilic chain extender is 2,2-dimethylol propionic acid.Described salt forming agent is triethylamine, and described end-capping reagent is trifluoroethanol.
Polyester polyol is mixed with vulcabond, 2h is stirred under 80 DEG C of conditions, then add hydrophilic chain extender, under 70 DEG C of conditions, stir 3h, cool the temperature to 35 DEG C, then salt forming agent is added, obtain prepolymer after abundant stirring, described prepolymer is added and carries out, in the water stirred, being stirred to solution fully emulsified with 800r/min speed, then add end-capping reagent, fully obtain described aqueous polyurethane emulsion after reaction.
Take above-mentioned aqueous polyurethane emulsion 95 parts, mould inhibitor 1 part, thickening material 0.5 part and defoamer 0.5 part.Described thickening material is polyurethane associative thickener or cellulose thickener, and described defoamer is silicone based defoamer, and described mould inhibitor is water-soluble mildew preventive.Above-mentioned raw materials is mixed, obtains the wallpaper basement membrane of the present embodiment.
Embodiments of the invention two are:
Take polyester polyol 120 parts, vulcabond 55 parts, hydrophilic chain extender 12 parts, salt forming agent 9 parts, 300 parts, water and the end-capping reagent 1 part containing fluorocarbon group.Described polyester polyol is poly-hexanodioic acid system polyester diol.Described vulcabond is one or more in isophorone diisocyanate, tolylene diisocyanate, diphenylmethanediisocyanate and hexamethylene diisocyanate.Described hydrophilic chain extender is 2,2-dimethylol propionic acid.Described salt forming agent is triethylamine, and described end-capping reagent is trifluoroethanol.
Polyester polyol is mixed with vulcabond, 3h is stirred under 90 DEG C of conditions, then add hydrophilic chain extender, under 80 DEG C of conditions, stir 4h, cool the temperature to 45 DEG C, then salt forming agent is added, obtain prepolymer after abundant stirring, described prepolymer is added and carries out, in the water stirred, being stirred to solution fully emulsified with 3000r/min speed, then add end-capping reagent, fully obtain described aqueous polyurethane emulsion after reaction.
Take above-mentioned aqueous polyurethane emulsion 105 parts, mould inhibitor 2 parts, thickening material 1 part and defoamer 1 part.Described thickening material is polyurethane associative thickener or cellulose thickener, and described defoamer is silicone based defoamer, and described mould inhibitor is water-soluble mildew preventive.Above-mentioned raw materials is mixed, obtains the wallpaper basement membrane of the present embodiment.
Embodiments of the invention three are:
Take polyester polyol 110 parts, vulcabond 50 parts, hydrophilic chain extender 11 parts, salt forming agent 8 parts, 285 parts, water and the end-capping reagent 0.7 part containing fluorocarbon group.Described polyester polyol is poly-hexanodioic acid system polyester diol.Described vulcabond is one or more in isophorone diisocyanate, tolylene diisocyanate, diphenylmethanediisocyanate and hexamethylene diisocyanate.Described hydrophilic chain extender is 2,2-dimethylol propionic acid.Described salt forming agent is triethylamine, and described end-capping reagent is trifluoroethanol.
Polyester polyol is mixed with vulcabond, 2.5h is stirred under 85 DEG C of conditions, then add hydrophilic chain extender, under 75 DEG C of conditions, stir 3.5h, cool the temperature to 40 DEG C, then salt forming agent is added, obtain prepolymer after abundant stirring, described prepolymer is added and carries out, in the water stirred, being stirred to solution fully emulsified with 1500r/min speed, then add end-capping reagent, fully obtain described aqueous polyurethane emulsion after reaction.
Take above-mentioned aqueous polyurethane emulsion 100 parts, mould inhibitor 1.5 parts, thickening material 0.7 part and defoamer 0.8 part.Described thickening material is polyurethane associative thickener or cellulose thickener, and described defoamer is silicone based defoamer, and described mould inhibitor is water-soluble mildew preventive.Above-mentioned raw materials is mixed, obtains the wallpaper basement membrane of the present embodiment.
Embodiments of the invention four are:
Only the component of wallpaper basement membrane is different, and other are identical with embodiment three.The wallpaper basement membrane of the present embodiment, comprises following raw material and is prepared from: above-mentioned aqueous polyurethane emulsion 100 parts, mould inhibitor 1 part, thickening material 0.5 part and defoamer 0.5 part.
Embodiments of the invention five are:
Only the component of wallpaper basement membrane is different, and other are identical with embodiment three.The wallpaper basement membrane of the present embodiment, comprises following raw material and is prepared from: above-mentioned aqueous polyurethane emulsion 100 parts, mould inhibitor 2 parts, thickening material 1 part and defoamer 1 part.
Embodiments of the invention six are:
Take 100g PPC-3000,45g IPDI, 10g DMPA, 7.8g triethylamine, 270g deionized water and 0.5g trifluoroethanol respectively.Under whipped state, PPC-3000 and IPDI is mixed, be warming up to 80 DEG C gradually, react 2 hours at remaining on 80 DEG C.Add DMPA, at remaining on 80 DEG C, continue reaction 4 hours.Prepolymer is cooled to 40 DEG C, adds the neutralizing agent triethylamine measured, in and 5 minutes, obtain prepolymer.Prepolymer is poured into emulsion dispersion in the deionized water of high-speed stirring, after fully emulsified, add end-capping reagent trifluoroethanol, obtain aqueous polyurethane emulsion of the present invention.
Get above-mentioned aqueous polyurethane emulsion 100g, add 1gLM-76,0.5g thickening material and 0.5g defoamer, stir under the condition that 800-1000 turns, obtain wallpaper basement membrane of the present invention.
Effect analysis
Get above-described embodiment one to embodiment six obtain wallpaper basement membrane, respectively film forming water-intake rate mensuration is carried out to them, and adopt mass concentration be 10% sodium hydroxide to its carry out 24 hours soak, namely to its carry out waterproof and alkali prevention test.
Test result is in table 1, and table 1 is waterproof and the alkali prevention table with test results of wallpaper basement membrane of the present invention.
Table 1
As shown in Table 1, the film forming water-intake rate of the wallpaper basement membrane that embodiment one to embodiment six obtains all is less than or equal to 3, all there is not considerable change soak 24h in the sodium hydroxide of 10% after in them, therefore, wallpaper basement membrane of the present invention has good waterproof alkali prevention performance.
In sum, aqueous polyurethane emulsion provided by the invention have have no irritating odor completely, environmental protection, good film forming properties and sticking power, well waterproof alkali prevention performance advantage, it is simple, easy to operate that the preparation method of aqueous polyurethane emulsion of the present invention has preparation method, be beneficial to the advantage of large-scale production application, wallpaper basement membrane of the present invention has the stability simultaneously ensureing good waterproof alkali prevention performance and product and the beneficial effect enriching wallpaper basement membrane product category.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing description of the present invention to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an aqueous polyurethane emulsion, it is characterized in that, comprise following raw material and be prepared from: polyester polyol 100-120 part, vulcabond 45-55 part, hydrophilic chain extender 10-12 part, salt forming agent 7-9 part, water 270-300 part and the end-capping reagent 0.5-1 part containing fluorocarbon group.
2. aqueous polyurethane emulsion according to claim 1, is characterized in that, described polyester polyol is poly-hexanodioic acid system polyester diol.
3. aqueous polyurethane emulsion according to claim 1, is characterized in that, described vulcabond is one or more in isophorone diisocyanate, tolylene diisocyanate, diphenylmethanediisocyanate and hexamethylene diisocyanate.
4. aqueous polyurethane emulsion according to claim 1, is characterized in that, described hydrophilic chain extender is 2,2-dimethylol propionic acid, and described salt forming agent is triethylamine.
5. aqueous polyurethane emulsion according to claim 1, is characterized in that, described end-capping reagent is trifluoroethanol.
6. the preparation method of the aqueous polyurethane emulsion described in a claim 1-5 any one, it is characterized in that, polyester polyol is mixed with vulcabond, 2-3h is stirred under 80-90 DEG C of condition, then hydrophilic chain extender is added, 3-4h is stirred under 70-80 DEG C of condition, cool the temperature to 35-45 DEG C, then salt forming agent is added, obtain prepolymer after abundant stirring, described prepolymer is added and carries out, in the water stirred, being stirred to solution fully emulsified with 800-3000r/min speed, then add end-capping reagent, fully obtain described aqueous polyurethane emulsion after reaction.
7. the aqueous polyurethane emulsion according to claim 1-5 any one is in the epilamellar application of wallpaper.
8. a wallpaper basement membrane, it is characterized in that, comprise following raw material to be prepared from: aqueous polyurethane emulsion 95-105 part, mould inhibitor 1-2 part, thickening material 0.5-1 part and defoamer 0.5-1 part, described aqueous polyurethane emulsion is the aqueous polyurethane emulsion described in claim 1 to 5 any one.
9. wallpaper basement membrane according to claim 8, is characterized in that, described thickening material is polyurethane associative thickener or cellulose thickener, and described defoamer is silicone based defoamer, and described mould inhibitor is water-soluble mildew preventive.
10. wallpaper basement membrane according to claim 8, is characterized in that, comprises following raw material and is prepared from: aqueous polyurethane emulsion 100 parts, mould inhibitor 1-2 part, thickening material 0.5-1 part and defoamer 0.5-1 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216470.6A CN104804165A (en) | 2015-04-30 | 2015-04-30 | Waterborne polyurethane emulsion, preparation method for waterborne polyurethane emulsion, application of waterborne polyurethane emulsion to wallpaper basement membrane and wallpaper basement membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216470.6A CN104804165A (en) | 2015-04-30 | 2015-04-30 | Waterborne polyurethane emulsion, preparation method for waterborne polyurethane emulsion, application of waterborne polyurethane emulsion to wallpaper basement membrane and wallpaper basement membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104804165A true CN104804165A (en) | 2015-07-29 |
Family
ID=53689383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510216470.6A Pending CN104804165A (en) | 2015-04-30 | 2015-04-30 | Waterborne polyurethane emulsion, preparation method for waterborne polyurethane emulsion, application of waterborne polyurethane emulsion to wallpaper basement membrane and wallpaper basement membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104804165A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106318192A (en) * | 2016-09-12 | 2017-01-11 | 广东玉兰集团股份有限公司 | Water-based waterproof base film for wallpaper and preparation method of water-based waterproof base film |
| CN106589285A (en) * | 2016-11-01 | 2017-04-26 | 惠州市远安新材料有限公司 | Polyurethane emulsion with high fluoride content and preparation method thereof |
| CN107151525A (en) * | 2017-05-26 | 2017-09-12 | 张家港市五湖新材料技术开发有限公司 | A kind of preparation method of PVC base fabrics coating |
| CN109438643A (en) * | 2018-11-08 | 2019-03-08 | 合众（佛山）化工有限公司 | A kind of biology base fluorine modified aqueous polyurethane resin and preparation method thereof |
| CN109651947A (en) * | 2018-11-26 | 2019-04-19 | 河北晨阳工贸集团有限公司 | Aqueous basement membrane of a kind of anti-accumulation of salt in the surface soil of high osmosis and preparation method thereof |
| CN109723200A (en) * | 2019-01-26 | 2019-05-07 | 温州乐成装饰设计有限公司 | A kind of finishing uses solid wooden floor board |
| CN109943120A (en) * | 2019-03-18 | 2019-06-28 | 浙江吴越人家新材料股份有限公司 | A kind of wall paper basement membrane and its preparation process |
| CN111471161A (en) * | 2020-04-29 | 2020-07-31 | 福耀玻璃工业集团股份有限公司 | Waterborne polyurethane emulsion and preparation method thereof |
| CN115058183A (en) * | 2022-05-31 | 2022-09-16 | 河北工业大学 | Preparation method of short fluoroalkyl compound modified hydrophobic/super-hydrophobic aqueous polyurethane coating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245220A (en) * | 2007-02-16 | 2008-08-20 | 天津佳用水漆有限公司 | Polyurethane water paint |
| CN101885829A (en) * | 2010-07-12 | 2010-11-17 | 中科院广州化学有限公司 | Alcohol end capping nonionic polyurethane cross-linking agent and preparation method and application thereof |
| CN102115524A (en) * | 2009-12-30 | 2011-07-06 | 上海合达聚合物科技有限公司 | Fluorine-containing polyurethane and preparation method thereof |
| CN104403077A (en) * | 2014-11-07 | 2015-03-11 | 江苏中科金龙化工有限公司 | Preparation method and applications of aqueous polyurethane emulsion |
-
2015
- 2015-04-30 CN CN201510216470.6A patent/CN104804165A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245220A (en) * | 2007-02-16 | 2008-08-20 | 天津佳用水漆有限公司 | Polyurethane water paint |
| CN102115524A (en) * | 2009-12-30 | 2011-07-06 | 上海合达聚合物科技有限公司 | Fluorine-containing polyurethane and preparation method thereof |
| CN101885829A (en) * | 2010-07-12 | 2010-11-17 | 中科院广州化学有限公司 | Alcohol end capping nonionic polyurethane cross-linking agent and preparation method and application thereof |
| CN104403077A (en) * | 2014-11-07 | 2015-03-11 | 江苏中科金龙化工有限公司 | Preparation method and applications of aqueous polyurethane emulsion |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106318192A (en) * | 2016-09-12 | 2017-01-11 | 广东玉兰集团股份有限公司 | Water-based waterproof base film for wallpaper and preparation method of water-based waterproof base film |
| CN106589285A (en) * | 2016-11-01 | 2017-04-26 | 惠州市远安新材料有限公司 | Polyurethane emulsion with high fluoride content and preparation method thereof |
| CN107151525A (en) * | 2017-05-26 | 2017-09-12 | 张家港市五湖新材料技术开发有限公司 | A kind of preparation method of PVC base fabrics coating |
| CN109438643A (en) * | 2018-11-08 | 2019-03-08 | 合众（佛山）化工有限公司 | A kind of biology base fluorine modified aqueous polyurethane resin and preparation method thereof |
| CN109651947A (en) * | 2018-11-26 | 2019-04-19 | 河北晨阳工贸集团有限公司 | Aqueous basement membrane of a kind of anti-accumulation of salt in the surface soil of high osmosis and preparation method thereof |
| CN109723200A (en) * | 2019-01-26 | 2019-05-07 | 温州乐成装饰设计有限公司 | A kind of finishing uses solid wooden floor board |
| CN109943120A (en) * | 2019-03-18 | 2019-06-28 | 浙江吴越人家新材料股份有限公司 | A kind of wall paper basement membrane and its preparation process |
| CN111471161A (en) * | 2020-04-29 | 2020-07-31 | 福耀玻璃工业集团股份有限公司 | Waterborne polyurethane emulsion and preparation method thereof |
| CN115058183A (en) * | 2022-05-31 | 2022-09-16 | 河北工业大学 | Preparation method of short fluoroalkyl compound modified hydrophobic/super-hydrophobic aqueous polyurethane coating |
| CN115058183B (en) * | 2022-05-31 | 2023-08-25 | 河北工业大学 | Preparation method of short fluoroalkyl compound modified hydrophobic/super-hydrophobic waterborne polyurethane coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104804165A (en) | Waterborne polyurethane emulsion, preparation method for waterborne polyurethane emulsion, application of waterborne polyurethane emulsion to wallpaper basement membrane and wallpaper basement membrane | |
| CN104804168A (en) | Waterborne polyurethane emulsion as well as preparation method thereof, application of waterborne polyurethane emulsion to wallpaper basement membrane, and wallpaper basement membrane | |
| CN101845217B (en) | Preparation method of water-based polyurethane/nano-silicon dioxide composite emulsion | |
| CN103570915B (en) | A kind of preparation method of high-solid-content hydroxyl waterborne polyurethane resin | |
| CN106084352A (en) | A kind of high performance polyurethane modification NBR latex glove and preparation method thereof | |
| CN103059770B (en) | Starch adhesive, its preparation method and application | |
| CN103709363A (en) | Sulfonate polyurethane emulsion with high solid content as well as preparation method and application thereof | |
| CN106700029B (en) | Polyurethane resin for shoe sole and preparation method and application thereof | |
| CN103193954A (en) | Preparation method of aqueous polyurethane dispersion and application of aqueous polyurethane dispersion | |
| WO2011105595A1 (en) | Moisture-permeable water-proofing cloth | |
| CN108034349B (en) | Preparation method of octanitrosilsesquioxane modified bi-component waterborne polyurethane emulsion | |
| CN102977320A (en) | Method for modifying water-based polyurethane by using hydroxyl terminated polybutadiene | |
| CN102250564A (en) | Manufacture method of white latex | |
| CN103013321A (en) | High-strength high-elongation water-based coating agent for powderless PVC (polyvinyl chloride) glove and preparation method | |
| CN104311776A (en) | Self-degradable soap-free waterborne polyurethane emulsion and preparation method thereof | |
| CN103497301A (en) | Method for preparing hyperbranched waterborne polyurethane for artificial leather and synthetic leather | |
| CN105462479A (en) | Environment-friendly weather-proof self-stratifying one-component waterproof paint and preparation method thereof | |
| CN102418275A (en) | Preparation method of antibacterial polyurethane PU finishing agent | |
| TWI667264B (en) | Sulfonic acid based aqueous polyurethane emulsion and process of producing the same | |
| CN107190511B (en) | A kind of AS resin modified polyurethane resin textile slurry and preparation method thereof | |
| CN107236494A (en) | A kind of organic fiber cord dip adhesive composition and preparation method thereof | |
| JP2003165950A (en) | Aqueous coating material having excellent solvent resistance | |
| CN104231581B (en) | A kind of environmental protection poly-β-hydroxybutyric acid plastic material | |
| CN107267057A (en) | A kind of antibiotic water paint | |
| CN102977327A (en) | Waterborne polyurethane sizing reinforcing agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 350300 Fuqing City, Fujian Province, Jiangyin Industrial Zone, the holy Road Applicant after: FUJIAN POLYTECH TECHNOLOGY CORP. LTD. Address before: 350300 Fuqing City, Fujian Province, Jiangyin Industrial Zone, the holy Road Applicant before: Fujian Polytech Group Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |