CN102731805A - Method for producing polyvinyl alcohol film and casting roller for the method - Google Patents
Method for producing polyvinyl alcohol film and casting roller for the method Download PDFInfo
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- CN102731805A CN102731805A CN2011101400262A CN201110140026A CN102731805A CN 102731805 A CN102731805 A CN 102731805A CN 2011101400262 A CN2011101400262 A CN 2011101400262A CN 201110140026 A CN201110140026 A CN 201110140026A CN 102731805 A CN102731805 A CN 102731805A
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- 239000004372 Polyvinyl alcohol Substances 0.000 title claims abstract description 96
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims abstract description 96
- 238000005266 casting Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000000654 additive Substances 0.000 claims abstract description 7
- 230000000996 additive effect Effects 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 43
- 239000002131 composite material Substances 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 11
- 239000011651 chromium Substances 0.000 claims description 11
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 238000007127 saponification reaction Methods 0.000 claims description 6
- 239000004902 Softening Agent Substances 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims 20
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 16
- 239000011347 resin Substances 0.000 description 16
- 238000007747 plating Methods 0.000 description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000007607 die coating method Methods 0.000 description 6
- -1 alkenes compounds Chemical class 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229910000856 hastalloy Inorganic materials 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 101150027068 DEGS1 gene Proteins 0.000 description 2
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N ethyl acetate Substances CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920001290 polyvinyl ester Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- VVXDXPYRHUQGRL-UHFFFAOYSA-N ethenyl acetate pentanoic acid Chemical compound C(=C)OC(C)=O.C(CCCC)(=O)O VVXDXPYRHUQGRL-UHFFFAOYSA-N 0.000 description 1
- MEGHWIAOTJPCHQ-UHFFFAOYSA-N ethenyl butanoate Chemical compound CCCC(=O)OC=C MEGHWIAOTJPCHQ-UHFFFAOYSA-N 0.000 description 1
- GFJVXXWOPWLRNU-UHFFFAOYSA-N ethenyl formate Chemical compound C=COC=O GFJVXXWOPWLRNU-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- LYBIZMNPXTXVMV-UHFFFAOYSA-N propan-2-yl prop-2-enoate Chemical compound CC(C)OC(=O)C=C LYBIZMNPXTXVMV-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
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- Moulding By Coating Moulds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention provides a method for manufacturing a polyvinyl alcohol film and a casting roller used for the method. The method for manufacturing the polyvinyl alcohol film comprises the steps of preparing a polyvinyl alcohol casting solution, casting the polyvinyl alcohol casting solution to a casting roller, and forming the polyvinyl alcohol film on the surface of the casting roller. Compared with the chrome-plated casting roller used in the prior art, the casting roller used in the method not only can be suitable for manufacturing polyvinyl alcohol films with large width, but also can be used for manufacturing high-quality polyvinyl alcohol films without adding a release additive after being continuously used for a long time, and is beneficial to industrial mass production.
Description
Technical field
The present invention relates to a kind of method of making PVA (PVOH) FILM, particularly a kind of method of utilizing solution-cast manufactured PVA (PVOH) FILM.
Background technology
Polaroid can be transformed into polar biased light with generally not having the natural light polarization of deflection polarity.The LCD liquid-crystal display utilizes this kind polar biased light exactly, adds the liquid crystal molecule torsional property, controls light and passes through.Along with the widespread use of liquid-crystal display, the demand market of polaroid, also when the river rises the boat goes up thereupon.Polaroid mainly utilizes Z 150PH (PVA) macromolecule membrane as polarization matrix, so the quality of PVA (PVOH) FILM will directly influence the result of use of polaroid.
Z 150PH is a kind of purposes high molecular weight water soluble polymer quite widely, behind the water-soluble formation solution of polyvinyl alcohol resin, has good film forming characteristics.Therefore, industry is often utilized solution-cast manufactured PVA (PVOH) FILM.In the past, PVA (PVOH) FILM utilized the steel band of single metal material as shaped device, but the steel band manufacturing can't be satisfied the PVA (PVOH) FILM demand of big fabric width, thereby transferred use cylinder moulding manufacturing PVA (PVOH) FILM gradually to.The solution casting method of PVA (PVOH) FILM is earlier that polyvinyl alcohol resin is soluble in water; Add softening agent and other added ingredientss and be mixed with the Z 150PH cast-solution; After filtering; Utilize T die coating machine to make said Z 150PH cast-solution be poured into casting cylinder, the temperature that casting cylinder itself needs heating to maintain 85-95 ℃ is gathered the moisture of ethanolic soln with removal.Heating casting cylinder forms PVA (PVOH) FILM after with most moisture removal, more said PVA (PVOH) FILM is peeled off from casting cylinder, is used to make polaroid.
Generally speaking; When utilizing solution casting method to make PVA (PVOH) FILM, if casting cylinder surface irregularity or pin hole is arranged can make PVA (PVOH) FILM produce defective; Therefore, the casting cylinder that is used to make PVA (PVOH) FILM must have high firmness to resist unexpected slight impact and scratch.On the other hand; The casting cylinder material that is used to make PVA (PVOH) FILM must have high-compactness and anticorrosion properties; So that polishing is ground to the minute surface degree; Make PVA (PVOH) FILM be easy to peel off, avoid cylinder surface generation corrosion situation simultaneously and influence the face quality of PVA (PVOH) FILM at said casting cylinder surface forming.
In order to meet the demand, processing is electroplated at cylinder surface by regular meeting, for example carries out the work program of electronickelling or electrodeposited chromium at surface of steel plate, to promote the hardness and the erosion resistance on casting cylinder surface.Yet said plating work program often need carry out repeatedly repeatedly, just can reach required standard.In addition; Because process demand; Cylinder need maintain 85 to 95 ℃ in order to removing PVA (PVOH) FILM moisture, under long-time the use, the bad problem of binding property is arranged easily between electrolytic coating and metal mother metal; Cause cylinder surface easily because of thermal expansion produces the phenomenon of peeling off, and then influence the face weight of PVA (PVOH) FILM.
Therefore, still need a kind of can be for a long time and make the method for high quality PVA (PVOH) FILM continuously.
Summary of the invention
The object of the present invention is to provide a kind of can be for a long time and make the method for high quality PVA (PVOH) FILM and the casting cylinder that is used for this method continuously.
On realizing, take off and other purposes; The present invention provides a kind of method of making PVA (PVOH) FILM; Comprise preparation Z 150PH cast-solution, and make said Z 150PH cast-solution be poured into casting cylinder, and form PVA (PVOH) FILM on said casting cylinder surface.The employed casting cylinder of the inventive method is after making metal mother metal and noncorroding metal plate form composite sheet through the blast laminating type, to utilize said composite sheet to be made again.Compared to employed chromium plating casting cylinder in the past; The inventive method is not only applicable to the PVA (PVOH) FILM of making big wide cut; And said casting cylinder is after long-time continuous is used; Smooth slick state still can be kept in the surface, and the situation that corrosion can not take place or peel off can avoid formed PVA (PVOH) FILM surface to produce defectives such as bubble.
The present invention provides a kind of casting cylinder that solution casting method forms polyvinyl alcohol film that is used for again, and said casting cylinder is to be processed by metallic composite panel, and said metallic composite panel is to be fitted and formed by metal mother metal and noncorroding metal plate utilization blast.The present invention is used for the casting cylinder that solution casting method forms polyvinyl alcohol film; Need not carry out loaded down with trivial details chromium plating processing treatment can make the surface have excellent erosion resistance; And have the careful characteristics of high firmness and smooth surface concurrently; After being used to for a long time make PVA (PVOH) FILM, smooth slick state, the situation that corrosion can not take place or peel off still can be kept in the casting cylinder surface.Said casting cylinder has excellent peel property, under the condition of not using release additive, can from said casting cylinder surface PVA (PVOH) FILM be separated easily, obtains the PVA (PVOH) FILM of good quality.
Description of drawings
Fig. 1 is that the present invention makes the method for PVA (PVOH) FILM and the synoptic diagram of casting cylinder.
Wherein, description of reference numerals is following:
110T die coating machine
120 casting cylinders
130 PVA (PVOH) FILMs.
Embodiment
Below through particular specific embodiment embodiment of the present invention is described, these those skilled in the art can understand advantage of the present invention and effect easily by the content that this specification sheets disclosed.The present invention also can implement or use through other different embodiment, and each item details in this specification sheets also can be based on different viewpoints and application, gives different modifications and change under the disclosed spirit not deviating from.
The method that the present invention makes PVA (PVOH) FILM is to prepare the Z 150PH cast-solution earlier, more said Z 150PH cast-solution is poured into casting cylinder, forms PVA (PVOH) FILM after the drying.The employed Z 150PH cast-solution of the inventive method mainly comprises Z 150PH, softening agent and water, and said Z 150PH is to be that to obtain polyvinyl ester be that resin carries out saponification reaction again and forms in the resin monomer polymerization through vinyl acetate.The monomeric instance of this polyvinyl ester comprises, but non-being limited to, vinyl esters polymkeric substance such as vinyl formate, vinyl-acetic ester, propionate, vinyl butyrate, valeric acid vinyl acetate, sad vinyl acetate are preferably vinyl-acetic ester.In addition; Also can use alkenes compounds; For example ethene, propylene, butylene etc.; Or acrylate derivative, for example vinylformic acid, methyl acrylate, ethyl propenoate, vinylformic acid n-propyl, isopropyl acrylate, n-butyl acrylate etc. are the multipolymer that monomer copolymerizable forms with above-mentioned vinyl acetate.Usually, the saponification deg of said polyvinyl alcohol resin is more than 90%, is preferably more than 99%, to obtain better optical characteristics.The polymerization degree of the employed polyvinyl alcohol resin of the inventive method is between 800 to 10000, and the polymerization degree is higher than 1200 and has preferable processing characteristics, is unfavorable for dissolving if be higher than 10000.
Generally speaking, in the employed Z 150PH cast-solution, as if the quantity not sufficient that contains of polyvinyl alcohol resin, the cast-solution viscosity is low excessively, and drying load is excessive, can cause film forming efficiency to worsen.On the other hand, if the too high levels of polyvinyl alcohol resin, polyvinyl alcohol resin is difficult for dissolving, and the cast-solution viscosity is too high, and the insolubles that is produced is understood gelation and influenced into film uniformity.Therefore, in the employed Z 150PH cast-solution of the inventive method, the content of said polyvinyl alcohol resin is usually between 10 to 60 weight %, preferably between 15 to 40 weight %, again more preferably between 20 to 30 weight %.
In the employed Z 150PH cast-solution of the inventive method,, also can contain softening agent and give birth to promote film forming processing except polyvinyl alcohol resin.Examples of plasticizers commonly used comprises polyvalent alcohol, and for example 7 glycol, two terepthaloyl moietie, triethylene glycol, TEG, Ucar 35, USP Kosher etc. are preferably terepthaloyl moietie and USP Kosher., plasticizer loading deficiency, then formed PVA (PVOH) FILM influence the dyeing usefulness of following process if being easy to generate crystallization.On the other hand, if plasticizer loading is too high, then can destroy the mechanical properties of PVA (PVOH) FILM.Therefore, the addition of said polyol plasticiser is with respect to polyvinyl alcohol resin, usually between 3 to 30 weight parts, preferably between 7 to 20 weight parts.
As shown in Figure 1; In the inventive method, with polyvinyl alcohol resin and softening agent be dissolved in form the Z 150PH cast-solution in the solvent after, re-use strainer and filter; Utilize toothed gear pump (gear pump) and T die coating machine 110 at last again; Make said Z 150PH cast-solution be poured into casting cylinder 120, form PVA (PVOH) FILM 130, more said PVA (PVOH) FILM is peeled off from said casting cylinder 120 through high temperature drying.The formed PVA (PVOH) FILM of the inventive method can be used for making the polarisation material, for example the blooming of Polarizer or polaroid glasses after processing.
In the inventive method, said casting cylinder 120 is made by metal mother metal and the formed metallic composite panel of noncorroding metal plate blast applying, and said metal mother metal can be general steel plate.In one specific examples; The carbon steel that uses SB410 for example is as the metal mother metal; With contain the anticorrosive nickel weight percent that has flexibility concurrently greater than 5% and high firmness weight of chromium per-cent greater than 10% steel alloy as the noncorroding metal plate, the applying of exploding forms metallic composite panel.The instance of said noncorroding metal plate comprises dual phase steel, Hastelloy (HASTELLOY), SUS 316 and 904L etc.
The present invention is used for the casting cylinder that solution casting method forms polyvinyl alcohol film, and the metallic composite panel that is to use metal mother metal and noncorroding metal plate blast applying to form is made.Because said casting cylinder is that the composite metal plate that utilizes metal mother metal and the blast of noncorroding metal plate to fit is made; Itself had high firmness and corrosion resistant characteristic; The surface does not need to carry out loaded down with trivial details chromium plating processing again or other electroplate processing treatment, and long-time continuous is used the situation that also is not prone to corrosion.On the other hand; Said casting cylinder has the characteristic of high firmness, but surface grinding and polishing to ultra minute surface degree, when being used to make PVA (PVOH) FILM; Do not use release additive in the Z 150PH cast-solution; The PVA (PVOH) FILM that can make shaping is easily from said casting cylinder sur-face peeling, and can avoid formed PVA (PVOH) FILM surface to produce defectives such as bubble, can be used for making the high quality Z 150PH blooming of big wide cut.
Embodiment
Reference examples 1
(99.9 moles of saponification degs are more than the % with 100 weight account polyethylene alcohol resins; The polymerization degree 2600), 10 weight part glycerine, 250 weight parts waters, and 100ppm non-ionics (release additive) add lixator, heating for dissolving forms the Z 150PH cast-solution under 130 ℃ of conditions.Said Z 150PH cast-solution is after strainer filters; Carry via toothed gear pump (gear pump) and pipeline; And after filtering once more, get into T die coating machine (T-DIE); Make said Z 150PH cast-solution be poured into the made casting cylinder of SCM440 (said material chromium weight metal degree is less than 3%, and nickel weight metal degree is less than 3%), dry back obtains PVA (PVOH) FILM.The processibility of casting cylinder and behaviour in service, the face detected result of formed PVA (PVOH) FILM is recorded in table 1.
Reference examples 2
Repeat the step of reference examples 1, use the made casting cylinder of SB 410 (said material chromium weight metal degree is less than 3%, and nickel weight metal degree is less than 3%) instead.The processibility of casting cylinder and behaviour in service, the face detected result of formed PVA (PVOH) FILM is recorded in table 1.
Reference examples 3
Repeat the step of reference examples 1, use the made casting cylinder of SB 410 instead, chromium plating processing is carried out on the casting cylinder surface.The processibility of casting cylinder and behaviour in service, the face detected result of formed PVA (PVOH) FILM is recorded in table 1.
Reference examples 4
Repeat the step of reference examples 1, the addition of release additive is adjusted into 1000ppm, uses the made casting cylinder of SB 410 instead, and the casting cylinder surface is carried out nickel plating and chromium plating in regular turn and processed.The processibility of casting cylinder and behaviour in service, the face detected result of formed PVA (PVOH) FILM is recorded in table 1.
Embodiment 1
With 100 weight account polyethylene alcohol resins (saponification deg 99.9 moles more than the %, the polymerization degree 2600), 10 weight part glycerine, and 250 weight parts waters add lixator, heating for dissolving forms the Z 150PH cast-solution under 130 ℃ of conditions.Said Z 150PH cast-solution is after strainer filters; Carry via toothed gear pump (gear pump) and pipeline; And after filtering once more, get into T die coating machine (T-DIE); Make said Z 150PH cast-solution be poured into SB 410 and the made casting cylinder of the dual phase steel blast formed metallic composite panel of applying, dry back obtains PVA (PVOH) FILM.The processibility of casting cylinder and behaviour in service, the face detected result of formed PVA (PVOH) FILM is recorded in table 1.
Embodiment 2
(99.9 moles of saponification degs are more than the % with 100 weight account polyethylene alcohol resins; The polymerization degree 2600), 10 weight part glycerine, 250 weight parts waters, and the 100ppm non-ionics add lixator, heating for dissolving forms the Z 150PH cast-solution under 130 ℃ of conditions.Said Z 150PH cast-solution is after strainer filters; Carry via toothed gear pump (gear pump) and pipeline; And after filtering once more, get into T die coating machine (T-DIE); Make said Z 150PH cast-solution be poured into the fit casting cylinder of formed metallic composite panel manufacturing of SB 410 and Hastelloy (HASTELLOY) blast, dry back obtains PVA (PVOH) FILM.The processibility of casting cylinder and behaviour in service, the face detected result of formed PVA (PVOH) FILM is recorded in table 1.
Embodiment 3
Repeat the step of embodiment 1, use the casting cylinder that SB 410 and the formed metallic composite panel of SUS 316 blast applyings are made instead.The processibility of casting cylinder and behaviour in service, the face detected result of formed PVA (PVOH) FILM is recorded in table 1.
Table 1
The present invention utilizes solution-cast to make the method for PVA (PVOH) FILM, the fit casting cylinder of metallic composite panel made of formation of the metal mother metal that is to use Carbon Steel Plate for example and the blast of noncorroding metal plate.Show according to The above results; The employed casting cylinder of the inventive method need not carry out complicated plating processing; Can have excellent anticorrosion properties and hardness, be used to make PVA (PVOH) FILM, be duration of service more than 2 years; The casting cylinder surface still corrosion situation can not occur, and formed PVA (PVOH) FILM face all can pass through quality inspection standard.
On the other hand; The employed casting cylinder of the inventive method need not carry out complicated plating processing, and material density height and impurity are few, help to increase the separability of shaping membrane; Under the condition of not using release additive, still can form the PVA (PVOH) FILM of good quality.
The foregoing description only illustrates principle of the present invention and effect thereof, but not is used to limit the present invention.Any these those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, rights protection scope of the present invention should be listed like claims.
Claims (12)
1. a method of making PVA (PVOH) FILM is characterized in that, comprises the following steps:
(A) preparation Z 150PH cast-solution; And
(B) make said Z 150PH cast-solution be poured into casting cylinder, and form PVA (PVOH) FILM on said casting cylinder surface; Wherein, said casting cylinder is processed by metallic composite panel, and said metallic composite panel is fitted by metal mother metal and the utilization of noncorroding metal plate blast and formed.
2. the method for manufacturing PVA (PVOH) FILM as claimed in claim 1 is characterized in that, said metal mother metal is a Carbon Steel Plate.
3. the method for manufacturing PVA (PVOH) FILM as claimed in claim 1 is characterized in that, said noncorroding metal plate be selected from contain the nickel weight percent greater than 5% and weight of chromium per-cent greater than 10% steel alloy.
4. the method for manufacturing PVA (PVOH) FILM as claimed in claim 1 is characterized in that, processing treatment is electroplated on said casting cylinder surface.
5. the method for manufacturing PVA (PVOH) FILM as claimed in claim 1 is characterized in that, said Z 150PH cast-solution contains Z 150PH, softening agent and water.
6. the method for manufacturing PVA (PVOH) FILM as claimed in claim 5 is characterized in that, the scope of the polymerization degree of said Z 150PH between 800 to 10000.
7. the method for manufacturing PVA (PVOH) FILM as claimed in claim 5 is characterized in that, the saponification deg of said Z 150PH is greater than 90 moles of %.
8. the method for manufacturing PVA (PVOH) FILM as claimed in claim 5 is characterized in that, said Z 150PH cast-solution does not contain release additive.
9. one kind is used for the casting cylinder that solution casting method forms PVA (PVOH) FILM, and said casting cylinder is processed by metallic composite panel, and said metallic composite panel is fitted by metal mother metal and noncorroding metal plate utilization blast and formed.
10. casting cylinder as claimed in claim 9 is characterized in that, said metal mother metal is a Carbon Steel Plate.
11. casting cylinder as claimed in claim 9 is characterized in that, said noncorroding metal sheet material be selected from contain the nickel weight percent greater than 5% and weight of chromium per-cent greater than 10% steel alloy.
12. casting cylinder as claimed in claim 9 is characterized in that, processing treatment is electroplated on said casting cylinder surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100112421 | 2011-04-11 | ||
| TW100112421A TWI470012B (en) | 2011-04-11 | 2011-04-11 | A method for producing a polyvinyl alcohol film and a molding drum for use in the method |
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| Publication Number | Publication Date |
|---|---|
| CN102731805A true CN102731805A (en) | 2012-10-17 |
| CN102731805B CN102731805B (en) | 2014-05-14 |
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| CN201110140026.2A Active CN102731805B (en) | 2011-04-11 | 2011-05-24 | Method for producing polyvinyl alcohol film and casting roller for the method |
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| KR102392226B1 (en) * | 2012-03-30 | 2022-04-28 | 주식회사 쿠라레 | Polyvinyl alcohol-based polymer film |
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|---|---|---|---|---|
| CN1323999A (en) * | 2000-05-12 | 2001-11-28 | 可乐丽股份有限公司 | Polyvinyl alcohol polymer film and polarization film |
| CN101678705A (en) * | 2007-05-22 | 2010-03-24 | 日本合成化学工业株式会社 | Base film for liquid pressure transfer printing, method for production of base film for liquid pressure transfer printing, and liquid pressure transfer method |
| CN101784590A (en) * | 2007-08-24 | 2010-07-21 | 株式会社可乐丽 | Polyvinyl alcohol film and method for producing the same |
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- 2011-04-11 TW TW100112421A patent/TWI470012B/en active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323999A (en) * | 2000-05-12 | 2001-11-28 | 可乐丽股份有限公司 | Polyvinyl alcohol polymer film and polarization film |
| CN101678705A (en) * | 2007-05-22 | 2010-03-24 | 日本合成化学工业株式会社 | Base film for liquid pressure transfer printing, method for production of base film for liquid pressure transfer printing, and liquid pressure transfer method |
| CN101784590A (en) * | 2007-08-24 | 2010-07-21 | 株式会社可乐丽 | Polyvinyl alcohol film and method for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102731805B (en) | 2014-05-14 |
| TWI470012B (en) | 2015-01-21 |
| TW201241057A (en) | 2012-10-16 |
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