CN103881363A - Luminescent polyurethane film and preparation method thereof - Google Patents
Luminescent polyurethane film and preparation method thereof Download PDFInfo
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- CN103881363A CN103881363A CN201410133255.5A CN201410133255A CN103881363A CN 103881363 A CN103881363 A CN 103881363A CN 201410133255 A CN201410133255 A CN 201410133255A CN 103881363 A CN103881363 A CN 103881363A
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- polyurethane resin
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Abstract
The invention discloses a luminescent polyurethane film and a preparation method thereof. The polyurethane film comprises waterborne polyurethane resin as well as the following components counted by the mass of the waterborne polyurethane resin: 5-20% of fluorescent powder, 1-2% of extinction powder, 0.4-0.6% of a flatting agent and 0.4-0.6% of a peeling auxiliary agent. The polyurethane film comprises the waterborne polyurethane resin, the fluorescent powder, the extinction powder, the flatting agent and the peeling auxiliary agent; the waterborne polyurethane resin is taken as a film forming matter and is added with the fluorescent powder so as to realize a luminescent property of the film; and besides, by optimizing the contents of the added raw material components, the polyurethane film has water resistance and gas permeability.
Description
Technical field
The technical field that the present invention relates to polyurethane film, relates in particular to polyurethane film of a kind of noctilucence and preparation method thereof.
Background technology
Polyurethane film is applied to the preparation of ready-made clothes and fashionable dress more and more in recent years, and the clothes that adopt ventilative thin polyurethane mould material to prepare not only have respiratory function, can also be antistatic; Polyurethane film in sportwear and goods with making the fabrics such as submarine armor, swim suit, rhythm clothing and air Landing clothes, Aerated water bed, ball inner bag, boat, safety buoy and material inside.Shape memory polyurethane film newly developed, there is good crystallinity, block is gathered into microcell and plays physical crosslinking point, controlling the shape of shape memory polyurethane fixes and recovers, the shape memory temperature of these shape memory polyurethanes is decided to be to room temperature, for the production of compound fabric, as home wear facework, below room temperature, can play thermal effect, more than room temperature, can there is good water vapour permeability.It is good that thermoplasticity polyurethane film has soft feel, and intensity is high, windproof ventilative, outstanding features such as environmental protection and be widely used in textile composite fabric, and for Sport & Casual, the fields such as special type protection.
Luminescent powder is called again fluorescent material, is that a class is a kind ofly under ultraviolet ray, visible radiation and electric field action, to cause luminous material.Fluorescent material is mainly used in weak illumination light source and luminescent material.In recent years, fluorescent material is used to surface decoration material.For example, the coating that comprises fluorescent material is applied in the surface of the base materials such as wall, makes substrate surface compared with luminous under decreased light, decorates the decoration mode of LED at substrate surface, energy-conservation green.The polyurethane film of prior art is realized noctilucence by treat the coating of noctilucence in film surface coating.And polyurethane film itself does not possess noctilucence.
Summary of the invention
In view of this, one aspect of the present invention provides a kind of polyurethane film of noctilucence, and this polyurethane film has good noctilucence.
A polyurethane film for noctilucence, comprises waterborne polyurethane resin, and in the quality of waterborne polyurethane resin, 5～20% fluorescent material, 1～2% flatting silica, 0.4～0.6% flow agent, 0.4～0.6% the organic solvent that helps stripping agent and surplus.
Wherein, comprise waterborne polyurethane resin, and in the quality of waterborne polyurethane resin, 10% fluorescent material, 1.5% flatting silica, 0.5% flow agent, 0.5% help stripping agent, organic solvent with surplus, described organic solvent comprises quality 15～25% butanone, 15～25% toluene and the 25～35%N in waterborne polyurethane resin, dinethylformamide.
Wherein, described fluorescent material is one or more in rare earth doped alkaline-earth silicate, alkaline earth aluminate and alkaline-earth aluminosilicate, and wherein, rare earth element is selected from europium, yttrium, cerium and terbium one or more.
Wherein, the elongation at break under the tensile strength of 4～7Mpa of described waterborne polyurethane resin is 90～100%.
Wherein, described flatting silica is OK-412 flatting silica, and described flow agent is the alkyl-modified organopolysiloxane in C1～10, described in help stripping agent be polyether-modified polydimethylsiloxane.
In the feed composition of above polyurethane film, the organic solvent adding is dispersion medium, is understandable that, organic solvent refers to the liquid organic compound that dissolving power is stronger." surplus " is only enough to make flatting silica, flow agent, stripper and aqueous polyurethane fully to soak or dissolve the effect that it is fully disperseed to reach.The amount that it is concrete, those skilled in the art can obtain by simple practice.
Flatting silica is the glossiness that reduces mould material, makes it reach half light or unglazed effect.OK-412 flatting silica is a kind of white powder, and taking silicon-dioxide as main component, composition is up to more than 98%, and its median size is at several microns.It has advantages of that easy dispersion, extinction are good, increase slip, suspension is good.
Flow agent is to impel glue in drying and forming-film process, to form smooth, smooth, a uniform film.The alkyl-modified organopolysiloxane in C1～10 is in macromolecular chain, to contain the polymkeric substance that a class of alkyl contains silicon-oxide structure unit.Alkyl wherein can improve thermostability, consistency and foam stability not, even has their defoaming function.
Help stripping agent to be called again release agent, add that can to impel dry film to be easy to from coated substrate separated.Polyether-modified polydimethylsiloxane is to adopt ethers oligopolymer and polydimethylsiloxane to carry out condensation reaction to obtain.It had both been dissolvable in water oil type solvent, was dissolvable in water again water.It can anti, increases wear resistance, increases separate-type paper and obtain access times and can obviously improve glossiness, weathering resistance and the vividness of coating, and this external enwergy gives leather smooth feel, can effectively improve the dispersiveness of pigment and filler, improves the homogeneity of color; Can be used as the waterproof processing of fabric coating.
The present invention provides a kind of method of preparing above-mentioned polyurethane film on the other hand, and the polyurethane film that the method obtains has good water-repellancy and ventilation property.
Prepare the method as above-mentioned polyurethane film, comprise the following steps:
(1) by the same waterborne polyurethane resin quality in waterborne polyurethane resin, 0.4～0.6% flow agent and 0.4～0.6% the stripping agent that helps are thoroughly mixed to form hybrid resin, and the flatting silica of quality 1～2% that accounts for waterborne polyurethane resin is well-dispersed in and in organic solvent, forms mixed solution;
(2) in hybrid resin, add mixed solution, be thoroughly mixed to form glue
(3) glue is inserted and make foaming formation aqueous polyurethane foam in bubble machine;
(4) after aqueous polyurethane foam is coated on coated substrate, coated substrate is dried, obtains polyurethane film.
Wherein, described mixed solution successively divides and is added to hybrid resin three times according to 30%, 30% and 40% add-on.
Wherein, the blowing ratio of the described foaming of step (3) is 4～6, is preferably 5; Flow is 8～12g/s, is preferably 10g/s.
Wherein, described dry being specially of step (4) inserted coated substrate in the baking oven of 60～150 DEG C and passes through baking oven with the speed of 10～20M/min.
Wherein, the glue spread of the described coating of step (4) is 140～180g/m
2, coated substrate is separate-type paper.
In polyurethane film of the present invention, comprise waterborne polyurethane resin, fluorescent material, flatting silica, flow agent, help stripping agent.Taking waterborne polyurethane resin as filmogen, by add fluorescent material in waterborne polyurethane resin, realize the noctilucence of film.In addition, add by the content optimization to each feed composition, make polyurethane film there is good water-repellancy and ventilation property.
Embodiment
The present invention is described in further detail in conjunction with the embodiments respectively below.
In below implementing, related each industrial chemicals source place is as follows:
Waterborne polyurethane resin is the DL-1537 that Bayer A.G becomes to produce.Flow agent is white general the produced ZBJ-002 in Tianjin.Helping stripping agent is white general the produced ZBJ-003 in Tianjin; OK-412 organosilicon flatting silica is degussa(Degussa) to be produced, fluorescent material is commercially available.
Embodiment 1: waterborne polyurethane resin, together with the quality in waterborne polyurethane resin, is thoroughly mixed to form to hybrid resin under the stirring of 0.4% flow agent and 0.4% to help stripping agent be 1000～1500rpm at rotating speed stirrer.By the quality in waterborne polyurethane resin, 1% OK-412 flatting silica and 5% fluorescent material add in deionized water, under the stirring of the homogenizer of 2500～3500rpm, form mixed solution.Divide and three times mixed solution be added in hybrid resin and obtain glue in the stirring of the stirrer of 200～500rpm according to 30%, 30% and 40% add-on.Then, glue is inserted and is made in bubble machine, and when the flow of 8～12g/s some time of foaming obtains aqueous polyurethane foam to the foaming according to 4～6.Then, aqueous polyurethane foam is coated in separate-type paper, inserted in baking oven, at 60～150 DEG C, make to be dried to polyurethane film with the speed of 10～20M/min by baking oven.Finally, polyurethane film separated and carries out trimming from separate-type paper, obtaining the finished product.
Embodiment 2: except the quality in waterborne polyurethane resin, outside 0.6% flow agent, 0.6% the fluorescent material that helps stripping agent, 2% OK-412 organosilicon flatting silica and 20%, other conditions are with embodiment 1.
Embodiment 3: except the quality in waterborne polyurethane resin, outside 0.45% flow agent, 0.4% the OK-412 flatting silica that helps stripping agent 1% and 7% fluorescent material, other conditions are with embodiment 1.
Embodiment 4: except the quality in waterborne polyurethane resin, outside 0.4% flow agent, 0.45% the fluorescent material that helps stripping agent, 1.3% OK-412 flatting silica and 11%, other conditions are with embodiment 1.
Embodiment 5: except the quality in waterborne polyurethane resin, outside 0.4% flow agent, 0.45% the fluorescent material that helps stripping agent, 1.6% OK-412 flatting silica and 12%, other conditions are with embodiment 1.
Embodiment 6: except the quality in waterborne polyurethane resin, outside 0.55% flow agent, 0.55% the fluorescent material that helps stripping agent, 1.8% OK-412 flatting silica and 15%, other conditions are with embodiment 1.
Embodiment 7: except the quality in waterborne polyurethane resin, outside 0.50% flow agent, 0.50% the fluorescent material that helps stripping agent, 1.5% OK-412 flatting silica and 10%, other conditions are with embodiment 1.
By after the polyurethane film extinction 10min obtaining according to embodiment 1～7, insert the time of recording its continuous luminous under dark surrounds.According to ASTM D737 standard, ventilation property (taking vapor transfer rate as index) is tested.According to JIS L1099B standard to water-repellancy (taking resistance to hydrostatic pressure as index).Endwise tensile strength and transverse tensile strength are tested according to GB/T4757-1997.Above-mentioned test result is as following table:
As can be seen from the above table, the lasting fluorescent lifetime of embodiment 7 is 12h, is less than embodiment 6.The vapor transfer rate of embodiment 7 and resistance to hydrostatic pressure all want large compared with other embodiment, illustrate that implementing 7 has good ventilation property and water-repellancy.Except this, the endwise tensile strength of embodiment 7 and transverse tensile strength want large compared with other embodiment, illustrate that implementing 7 has good tensile strength.Consider, the present invention preferably implements 7 for optimum formula, in the quality of waterborne polyurethane resin, 1.5% fluorescent material, 1.5% flatting silica, 0.5% flow agent, 0.5% help stripping agent.
Should be noted that and understand, in the case of not departing from the spirit and scope of accompanying claim the present invention for required protection, can make various amendments and improvement to the present invention of foregoing detailed description.Therefore, the scope of claimed technical scheme is not subject to the restriction of given any specific exemplary teachings.
Applicant's statement, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, and the selections of the equivalence replacement to the each raw material of product of the present invention and the interpolation of ancillary component, concrete mode etc., within all dropping on protection scope of the present invention and open scope.
Claims (10)
1. the polyurethane film of a noctilucence, it is characterized in that, comprise waterborne polyurethane resin, and in the quality of waterborne polyurethane resin, 5～20% fluorescent material, 1～2% flatting silica, 0.4～0.6% flow agent, 0.4～0.6% the organic solvent that helps stripping agent and surplus.
2. polyurethane film according to claim 1, it is characterized in that, comprise waterborne polyurethane resin, and in the quality of waterborne polyurethane resin, 10% fluorescent material, 1.5% flatting silica, 0.5% flow agent, 0.5% help stripping agent, with the organic solvent of surplus, described organic solvent comprises quality 15～25% butanone, 15～25% toluene and the 25～35%N in waterborne polyurethane resin, dinethylformamide.
3. polyurethane film according to claim 1, it is characterized in that, described fluorescent material is one or more in rare earth doped alkaline-earth silicate, alkaline earth aluminate and alkaline-earth aluminosilicate, and wherein, rare earth element is selected from europium, yttrium, cerium and terbium one or more.
4. polyurethane film according to claim 1, is characterized in that, the elongation at break of described waterborne polyurethane resin under the tensile strength of 4～7Mpa is 90～100%.
5. polyurethane film according to claim 1, is characterized in that, described flatting silica is OK-412 flatting silica, and described flow agent is the alkyl-modified organopolysiloxane in C1～10, described in help stripping agent be polyether-modified polydimethylsiloxane.
6. prepare a method for polyurethane film as claimed in claim 1, it is characterized in that, comprise the following steps:
(1) by the same waterborne polyurethane resin quality in waterborne polyurethane resin, 0.4～0.6% flow agent and 0.4～0.6% help stripping agent be thoroughly mixed to form hybrid resin, by the quality in waterborne polyurethane resin, 1～2% flatting silica and 5～20% fluorescent material are well-dispersed in and in organic solvent, form mixed solution;
(2) in hybrid resin, add mixed solution, be thoroughly mixed to form glue;
(3) glue is inserted and make foaming formation aqueous polyurethane foam in bubble machine;
(4) after aqueous polyurethane foam is coated on coated substrate, coated substrate is dried, obtains polyurethane film.
7. method according to claim 6, is characterized in that, described mixed solution successively divides and is added to hybrid resin three times according to 30%, 30% and 40% add-on.
8. method according to claim 6, is characterized in that, the blowing ratio of the described foaming of step (3) is 4～6, and flow is 8～12g/s.
9. method according to claim 6, is characterized in that, described dry being specially of step (4) inserted coated substrate in the baking oven of 60～150 DEG C and pass through baking oven with the speed of 10～20M/min.
10. method according to claim 6, is characterized in that, the glue spread of the described coating of step (4) is 140～180g/m
2, coated substrate is separate-type paper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410133255.5A CN103881363A (en) | 2014-04-03 | 2014-04-03 | Luminescent polyurethane film and preparation method thereof |
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| CN201410133255.5A CN103881363A (en) | 2014-04-03 | 2014-04-03 | Luminescent polyurethane film and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629672A (en) * | 2015-03-06 | 2015-05-20 | 盐城工业职业技术学院 | Fluorescent waterproof and moisture permeable sizing material and production method thereof |
| CN106996044A (en) * | 2017-04-25 | 2017-08-01 | 福建隆上超纤有限公司 | A kind of water-fast wiping artificial leather and preparation method thereof |
| CN107226919A (en) * | 2017-06-09 | 2017-10-03 | 广州雷诺丽特塑料有限公司 | A kind of long afterglow PVC paint films and preparation method thereof |
| CN109371780A (en) * | 2018-11-23 | 2019-02-22 | 福建乐动体育场材料有限公司 | A kind of luminous plastic runway |
| CN110903632A (en) * | 2019-11-15 | 2020-03-24 | 西安思后网络科技有限公司 | Keyboard antibacterial fluorescent protective film and preparation method thereof |
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| CN101883803A (en) * | 2007-12-06 | 2010-11-10 | 三井化学株式会社 | Aqueous polyurethane resin, hydrophilic resin and film |
| CN102113720A (en) * | 2011-03-31 | 2011-07-06 | 渤扬复合面料科技(昆山)有限公司 | Waterproof, gas-permeable and light-emitting cloth with bacteriostatic coating |
| CN102744940A (en) * | 2012-07-19 | 2012-10-24 | 龙之族（中国）有限公司 | Method for producing waterproof moisture permeability fabric based on water foaming system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101068842A (en) * | 2004-12-10 | 2007-11-07 | 三井化学聚氨酯株式会社 | Aqueous polyurethane resin, method for producing aqueous polyurethane resin and film |
| CN101883803A (en) * | 2007-12-06 | 2010-11-10 | 三井化学株式会社 | Aqueous polyurethane resin, hydrophilic resin and film |
| CN102113720A (en) * | 2011-03-31 | 2011-07-06 | 渤扬复合面料科技(昆山)有限公司 | Waterproof, gas-permeable and light-emitting cloth with bacteriostatic coating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629672A (en) * | 2015-03-06 | 2015-05-20 | 盐城工业职业技术学院 | Fluorescent waterproof and moisture permeable sizing material and production method thereof |
| CN106996044A (en) * | 2017-04-25 | 2017-08-01 | 福建隆上超纤有限公司 | A kind of water-fast wiping artificial leather and preparation method thereof |
| CN107226919A (en) * | 2017-06-09 | 2017-10-03 | 广州雷诺丽特塑料有限公司 | A kind of long afterglow PVC paint films and preparation method thereof |
| CN109371780A (en) * | 2018-11-23 | 2019-02-22 | 福建乐动体育场材料有限公司 | A kind of luminous plastic runway |
| CN109371780B (en) * | 2018-11-23 | 2021-10-08 | 福建乐动体育场材料有限公司 | Noctilucent plastic track |
| CN110903632A (en) * | 2019-11-15 | 2020-03-24 | 西安思后网络科技有限公司 | Keyboard antibacterial fluorescent protective film and preparation method thereof |
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Application publication date: 20140625 |