CN102096121A - Polymer membrane, membrane roller and knurling endowing roller - Google Patents
Polymer membrane, membrane roller and knurling endowing roller Download PDFInfo
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- CN102096121A CN102096121A CN2010105879958A CN201010587995A CN102096121A CN 102096121 A CN102096121 A CN 102096121A CN 2010105879958 A CN2010105879958 A CN 2010105879958A CN 201010587995 A CN201010587995 A CN 201010587995A CN 102096121 A CN102096121 A CN 102096121A
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- annular knurl
- roller
- crest line
- polymer film
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
Abstract
The invention provides a polymer membrane, a membrane roller and a knurling endowing roller. A membrane producing device produces band-shaped polymer membrane. The knurling endowing device disposed at the downstream of the membrane producing device endows the knurling to the side part of the polymer membrane, i.e. an edge. The polymer membrane which is endowed with the knurling is reeled to a core, forming the membrane roller. The knurling is provided with a boss projecting from the surface of the polymer membrane. The boss is provided with a plurality of ridges and summits. The summit is formed by the intersection of ridges. The knurling is disposed at the edge in order that the length total of ridges per unit area is above a predetermined value.
Description
Technical field
The present invention relates to a kind of polymer film, film roller, and annular knurl give roller.
Background technology
But polymer film has excellent photopermeability or advantages such as flexibility and light weight filming.Because of these advantages, polymer film is as blooming etc. and be used in the multiple use.Wherein, used the cellulose esters mesentery of acylated cellulose etc., be used for picture photosensitive with bloomings such as the diaphragm of the Polarizer headed by the film or phase retardation films.Polarizer or phase retardation film are the component parts of liquid crystal indicator, and the market of liquid crystal indicator enlarges in recent years.
As the method for making polymer film, known have fusion film-forming method or a solution film-forming method etc.According to these manufacture methods, can obtain banded polymer film.Consider that from the viewpoint of the operability of resulting polymer film the polymer film of resulting band shape is with the state keeping and the transportation of film roller.The film roller by with the extruding of the polymer film of resulting band shape, batch in the volume core and obtain.
For curling skew or curling the relaxing that prevents the polymer film in the film roller, for example in the open 2002-211803 communique of Jap.P., use annular knurl to give roller, at the Width both ends (hereinafter referred to as the edge) of polymer film annular knurl is set in advance.
Be provided with the edge of annular knurl, to compare thickness thick with the product department that annular knurl is not set.Its result if batch the polymkeric substance that has annular knurl at the edge, then produces the fault (hereinafter referred to as the fault of subsiding) that product section is subsided in the film roller.Following polymer film clearly has been shown in the patent documentation 1, promptly in order to prevent this fault of subsiding, the thickness distribution in the product section along with from two ends towards central portion attenuation gradually.
But as the open 2002-211803 communique of Jap.P., the polymer film that will be endowed annular knurl at the edge batches when the volume core, and the outer peripheral face that overlaps the film roller of the small film thickness difference between edge and the product department becomes the ladder difference and occurs.Batch on one side if push polymer film to the film roller that this species stage difference occurs on one side, then stress concentrates near the ladder difference.Its result causes edge and near extension (extending hereinafter referred to as the edge) thereof in the polymkeric substance.Because of the edge extends, near the thickness of the product department product department, the especially edge produces change.Because this thickness variation, optical characteristics or mechanical property etc. becomes inhomogeneous as product department's integral body.
In order to prevent that this edge from extending, and makes the pressure based on coiling tension (pulling up) or compression roller diminish sometimes.But, produce the skew or curling lax of curling this moment.And, because of reducing the height of annular knurl, be difficult to produce the edge and extend.But, be easy to generate the skew or curling lax of curling this moment.
In addition, if the long side direction elongated (hereinafter referred to as microsclerization) or the Width elongated (hereinafter referred to as fabric widthization) of polymer film then cause the fault of subsiding easily.So, in the method for the open 2002-211803 communique of Jap.P. boundary is arranged as the adding method that batches with annular knurl.
Summary of the invention
The objective of the invention is to, a kind of the curl skew or lax polymer film that prevents and film roller of extending with the edge of preventing that curl taken into account is provided; And, even polymer film becomes microsclerization or fabric widthization, also can control the polymer film and the film roller of the fault of subsiding; And the annular knurl that is used to make above-mentioned polymer film is given roller.
The polymer film of band shape of the present invention possesses annular knurl and gives zone and crest line.Described knurled region is for arranging the zone of a plurality of annular knurls.Described a plurality of annular knurl is outstanding from face respectively.Described annular knurl is given the both ends that the zone is in the Width of described polymer film.Crest line is arranged at the protruding end of described annular knurl.The length summation of described crest line is given the zone by every square millimeter of described annular knurl and is the following scope of the above 3mm of 0.95mm.
Described crest line preferably has the 1st crest line, the 2nd crest line and intersection point.Described the 2nd crest line and described the 1st crest line intersect.Described intersection point is the point that described the 1st crest line and the 2nd crest line intersect.
Described annular knurl preferably has the concave portion that is surrounded by described crest line.
Described annular knurl preferably has the flat that is surrounded by described crest line.
The 1st annular knurl is set on a preferred side's the face, the 2nd annular knurl is set on the opposing party's the face.
The height of described the 1st annular knurl is made as A, and when the height of described the 2nd annular knurl was made as B, the value of preferred A/B was more than 0.5 below 2.
Preferred described the 1st annular knurl has the concave portion that is surrounded by described crest line, and described the 2nd annular knurl has the flat that is surrounded by described crest line.
Film roller of the present invention possesses banded polymer film, annular knurl and gives the zone, reaches crest line.Polymer film to the curling band shape of long side direction.Annular knurl is given the both ends that the zone is arranged at the wide cut direction of described polymer film respectively.Described annular knurl is given and is arranged a plurality of annular knurls in the zone.Described a plurality of annular knurl is outstanding from face respectively.Crest line is arranged at the protruding end of described annular knurl.The length summation of described crest line is given the zone by every square millimeter of described annular knurl and is the following scope of the above 3mm of 0.95mm.
Annular knurl is given roller and is possessed roller main body and annular knurl tooth.The annular knurl tooth is arranged to from the side face of described roller main body outstanding.The length summation of the crest line that described annular knurl tooth is become with described side face is below the 3mm by the side face of every square millimeter of described roller main body.
Annular knurl of the present invention is given roller and is possessed roller main body and annular knurl tooth.The annular knurl tooth is made of the hole at the side face opening of described roller main body.The bottom surface in described hole and the length summation of extending the crest line that the side became that is provided with through described side face from described bottom surface are more than the 0.95mm by the side face of every square millimeter of described roller main body.
According to the present invention, annular knurl is arranged in annular knurl gives the length of the crest line of the per unit area in the processing region and become more than the predetermined value, therefore can take into account the curl skew or lax prevent and the edge extends prevents of curling.In addition, even polymer film becomes microsclerization or fabric widthization, also can control the fault of subsiding.
Description of drawings
By the reference accompanying drawing and read the detailed description of preferred embodiment, can make the technician understand above-mentioned purpose, advantage easily.
Fig. 1 is the key diagram of the summary of expression membrane producing device.
Fig. 2 is the vertical view of the summary of expression annular knurl applicator.
Fig. 3 is the sectional view along the III-III line of Fig. 2.
Fig. 4 is the enlarged drawing that the 1st annular knurl is given the side face of roller.
Fig. 5 is that expression is given roller is given key diagram from the situation of the 1st annular knurl to polymer film by the 1st annular knurl.
Fig. 6 is the vertical view of summary that expression the 1st annular knurl is given the side face of roller.
Fig. 7 is the stereographic map of the summary of expression the 1st annular knurl.
Fig. 8 is the sectional view of the summary of expression the 1st annular knurl.
Fig. 9 is the vertical view of the summary of expression the 1st annular knurl.
Figure 10 is the enlarged drawing that the 2nd annular knurl is given the side face of roller.
Figure 11 is that expression is given roller is given key diagram from the situation of the 2nd annular knurl to polymer film by the 2nd annular knurl.
Figure 12 is the stereographic map of the summary of expression the 2nd annular knurl.
Figure 13 is the sectional view of the summary of expression the 2nd annular knurl.
Figure 14 is the vertical view of the summary of expression the 2nd annular knurl.
Figure 15 is that expression is given roller is given key diagram from the situation of the 3rd annular knurl to polymer film by the 3rd annular knurl.
Figure 16 is the sectional view of the summary of expression the 3rd annular knurl.
Figure 17 is the side view of the summary of the expression edge evaluation method of extending.
Figure 18 is the sectional view of the summary of the expression evaluation method of subsiding.
Embodiment
As shown in Figure 1, membrane producing device 10 has film manufacturing device 12 and take-up mechanism 14.Film manufacturing device 12 is made banded polymer film 11.Take-up mechanism 14 is made and is batched the film roller 13 that polymer film 11 forms.
The width W of polymer film 11 (with reference to Fig. 2) is preferably more than the 600mm, more preferably is below the above 2500mm of 1400mm.And the present invention also produces effect during greater than 2500mm in the width W of polymer film 11.The thickness of polymer film 11 is preferably below the above 200 μ m of 30 μ m, more preferably is below the above 150 μ m of 40 μ m, more preferably below the above 100 μ m of 40 μ m.The length of polymer film 11 is preferably more than the 2000m, more preferably is below the above 8000m of 4000m.And the diameter of film roller 13 (batching radius) is preferably more than the 450mm, more preferably is below the above 920mm of 650mm.
And, between film manufacturing device 12 and take-up mechanism 14, be provided with the transmission road of polymer film 11.In the transmission road of polymer film 11, to long side direction (hereinafter referred to as the A direction) the transmission polymer film 11 of polymer film 11.Membrane producing device 10 further has annular knurl applicator 15.Annular knurl applicator 15 is arranged in the transmission road between film manufacturing device 12 and the take-up mechanism 14.Annular knurl applicator 15 is given annular knurl to the both ends (edge) of the Width of polymer film 11.
Take-up mechanism 14 has columned volume core 21.If guide the polymer film 11 of coming from annular knurl applicator 15, then take-up mechanism 14 batches this polymer film 11 in volume core 21.In addition, take-up mechanism 14 has guide roller 22 and by pressure roller 23.Guide roller 22 will guide to volume core 21 from the polymer film 11 that annular knurl applicator 15 is sent.To push to the direction of volume core 21 by the polymer film 11 of guide roller 22 guiding by pressure roller 23.
As shown in Figures 1 and 2, annular knurl applicator 15 have respectively in the both sides on the transmission road of polymer film 11 annular knurl give roller to 26, displacement portion 27, well heater 28.Annular knurl is given the polymer film 11 that roller transmits to the A direction 26 clampings.Displacement portion 27 is regulated annular knurls and is given roller to 26 extruding force.Well heater 28 is regulated annular knurl and is given the temperature of roller to the side face of 26 each roller that is had.
Annular knurl is given roller to 26 both sides that are equipped on the Width (hereinafter referred to as the B direction) of polymer film 11 respectively.As shown in Figure 3, annular knurl is given roller to 26 having the 1st roller 31 cylindraceous, and separating the 2nd roller 32 cylindraceous that sets from the 1st roller 31.The 1st roller 31 rotatably possesses in the 1st turning axle 31x, and the 2nd roller 32 rotatably possesses in the 2nd turning axle 32x.Transmission Lu Yudi 2 rollers 32 of the 1st roller 31 by polymer film 11 over against.The 1st roller 31 is equipped on the 1st surperficial 11h side of polymer film 11.The 2nd roller 32 is equipped on the 2nd surperficial 11t side of polymer film 11.
As Fig. 4 and shown in Figure 5, with predetermined spacing a plurality of protruding annular knurl tooth 31b are set at the side face 31a of the 1st roller 31.Protruding annular knurl tooth 31b is arranged to from side face 31a outstanding, and forms quadrangular pyramid platform shape.The quadrangular pyramid platform excises the shape at quadrangular pyramid top for the face that intersects vertically in the short transverse with quadrangular pyramid.Be formed flatly the side face 32a of the 2nd roller 32.In addition, side face 32a is preferably smoothly.
As Fig. 4 and shown in Figure 6, the protruding annular knurl tooth 31b that forms quadrangular pyramid platform shape has the 1st side 33a～the 4th side 33d and top 33y.The 1st side 33a～the 4th side 33d is the face of the posture that erects from side face 31a.Top 33y is a square shape, and is formed flatly.In addition, above 33y can be platform shape, parallelogram, rhombus, rectangle, and square in any one.
As shown in Figure 6, incline 33ay, 33by, 33cy, 33dy above protruding annular knurl tooth 31b goes up and forms side rib 33ab, 33bc, 33cd, 33da, side face incline 33ax, 33bx, 33cx, 33dx, reaches.Side rib 33ab, 33bc, 33cd, 33da are formed by the 1st side 33a～the 4th side 33d.Side face incline 33ax, 33bx, 33cx, 33dx are formed by the 1st side 33a～the 4th side 33d and side face 31a.Top incline 33ay, 33by, 33cy, 33dy are formed by the 1st side 33a～the 4th side 33d and top 31y.
The angle θ 1 at least one angle is greater than below 0 ° and 90 ° in 4 angles that incline 33ay～33dy became above each.And the angle θ 1 at least one angle more preferably is greater than below 0 ° and 70 ° for greater than 0 ° and less than 90 ° in 4 angles that preferably incline 33ay～33dy became above each.If the angle θ 1 at least one angle is that then the angle at other angles also can become the obtuse angle greater than below 0 ° and 90 ° in the angle that incline 33ay～33dy became above each.In addition, among the figure, above the angle at the angle that become with 33by of incline 33ay with angle θ 1 expression.But the present invention is not limited to this, the also angle that top incline 33by can be become with top incline 33cy, above the angle that become with top incline 33dy of incline 33cy, above any one is made as angle θ 1 in incline 33dy and the angle that top incline 33ay is become.
The length summation L of each side face incline 33ax～33dx of the last every square centimeter of formation of side face 31a
33xBeing preferably below the 3mm, more preferably is below the 2.5mm.Thus, formation can take into account the curl skew or the lax annular knurl that prevents that extends with the edge of preventing that curls.Summation L
33xBeing preferably more than the 0.95mm, more preferably is more than the 1.0mm.And, the length summation L of incline 33ay～33dy above each of the last every square centimeter of formation of side face 31a
33yBeing preferably more than the 0.95mm, more preferably is more than the 1.0mm.Summation L
33yBeing preferably below the 3mm, more preferably is more than the 2.5mm.The length of each side face incline 33ax～33dx can equate mutually, also can be different.The length of preferred each side face incline 33ax～33dx for example is below the above 0.70mm of 0.25mm.Equally, preferably the length of incline 33ay～33dy above each for example is below the above 0.70mm of 0.25mm.In addition, to go up by every square centimeter be more than 50 below 120 for the preferred number of each side rib 33ab, 33bc, 33cd, 33da, side face 31a.
In addition, protruding annular knurl tooth 31b is not limited to quadrangular pyramid platform shape, can be triangular cone table shape, pentagonal pyramid platform shape, hexagonal frustum and circular cone shape and other frustums, can be columns such as cylinder or polygon also, also can be prominent bar more than 1 or 2.
As shown in Figures 1 and 2, displacement portion 27 make the 1st roller 31 and the 2nd roller in direction the opposing party displacement.Thus, annular knurl is given the edge 11a of roller to 26 clamping polymer films 11, and the extruding force when adjusting clamping.The width W e of edge 11a is preferably more than 0.001 times below 0.01 times of width W of polymer film 11.Be adjusted to predetermined temperature by well heater 28 the 1st roller 31 and the 2nd roller 32.Therefore, if by the adjustment based on well heater 28, annular knurl is given roller 26 temperature is risen, and then gives roller by this annular knurl the edge 11a of 26 clampings is heated.In addition, be provided with protruding annular knurl tooth 31b at the side face 31a of the 1st roller 31 as shown in Figure 4, therefore by thermal deformation, the profile of protruding annular knurl tooth 31b shifts (embossing) to edge 11a (with reference to Fig. 5).So, annular knurl is given zone 40 and is given roller to the 26 edge 11a (with reference to Fig. 2) that are formed at the 1st surperficial 11h side by annular knurl.It is by the part (with reference to Fig. 3) between the 1st roller 31 in the polymer film 11 and the 2nd roller 32 that annular knurl is given zone 40.Annular knurl is given and is arranged a plurality of annular knurls 41 (with reference to Fig. 4) in the zone 40.
As shown in Figure 2, annular knurl is given the width W in zone 40
40Be preferably polymer film 11 width W 0.1 * 10
-3Doubly above 2.0 * 10
-3Doubly.The end 11e of the B direction of polymer film 11 and annular knurl are given end (side in the outside on the B direction) 40e of zone 40 B direction can be consistent, also can from.End 11e on the B direction with the end 40e interval CL1 be preferably polymer film 11 width W 5 * 10
-3Doubly.
As shown in Figures 7 and 8, annular knurl 41 has protruding knurled portions 42 and recessed knurled portions 43.Protruding knurled portions 42 and recessed knurled portions 43 by having protruding annular knurl tooth 31b side face 31a and the extruding of side face 32a form (with reference to Fig. 5).Recessed knurled portions 43 is as the lower part, and the protruding end part of protruding annular knurl tooth 31b becomes mould and from the part of the recessed formation of the 1st surperficial 11h.Protruding knurled portions 42 is arranged at the periphery of recessed knurled portions 43, and gives prominence to and form from the 1st surperficial 11h.Protruding knurled portions 42 has limit 51 in the protruding end.The part (with reference to Fig. 5) of the polymer film 11 that protruding knurled portions 42 is extruded around protruding annular knurl tooth 31b for the extruding by protruding annular knurl tooth 31b and side face 32a.
As shown in Figure 9, protruding knurled portions 42 is made of 4 prominent bar 42a～42d that surround recessed knurled portions 43.Protruding end at each prominent bar 42a～42d forms crest line 52a～52d.The protruding end of the part that each prominent bar 42a～42d intersects forms the intersection point 53 of crest line 52a～52d.Like this, the limit 51 that is made of crest line 52a～52d and intersection point 53 is formed at the protruding end of protruding knurled portions 42.Height H 1 (with reference to Fig. 8) from the 1st surperficial 11h to each crest line 52a～52d is preferably more than the 3 μ m below the 30 μ m, more preferably is below the above 15 μ m of 3 μ m, especially is preferably below the above 9 μ m of 3 μ m.In addition, on the thickness direction of polymer film 11, the cross sectional shape of the protruding end part of protruding knurled portions 42 is preferably acute angle, promptly optimized angle φ greater than 0 ° less than 90 °.
Shown in Fig. 7 and 9, the angle θ 2 at least one angle is greater than below 0 ° and 90 ° in 4 angles that each crest line 52a～52d became.If the angle θ 2 at least one angle is that then the angle at other angles also can become the obtuse angle greater than below 0 ° and 90 ° in the angle that each crest line 52a～52d became.Optimized angle θ 2 is less than 90 ° greater than 0 °.In addition, among the figure, the angle at the angle that angle θ 2 is become with 52b with crest line 52a is represented, but the present invention is not limited to this.For example, any one in the angle at the angle at the angle at the angle that also crest line 52b can be become with crest line 52c, angle that crest line 52c is become with crest line 52d, angle that crest line 52d is become with crest line 52a is made as angle θ 2.
As shown in Figure 8, recessed knurled portions 43 has depressed part 55.Depressed part 55 is arranged to be lower than the 1st surperficial 11h that annular knurl 41 is not set.In addition, among Fig. 8, the thickness of the polymer film 11 in the depressed part 55 is thinner than the thickness of the part that annular knurl 41 is not set, and the present invention is not limited to this.For example, the thickness of the polymer film 11 in the depressed part 55 can equate with the segment thickness that annular knurl 41 is not set, also may be thicker than the thickness of the part that annular knurl 41 is not set, at this, the part that annular knurl 41 is not set is meant removes the part that annular knurl is given zone 40 in the polymer film 11.
When batching polymer film 11 as film roller 13, the protruding knurled portions 42 that is arranged at edge 11a prevents polymer film 11 slip each other that overlaps.Therefore skew or curling lax prevents to curl.
Each crest line 52a～52d of protruding knurled portions 42 helps the increase of overlapping polymer film 11 confining force each other.In the past, in order to increase polymer film 11 confining force each other, further increased protruding knurled portions 42.But,, then be easy to generate the edge and extend the fault or the fault of subsiding if increase protruding knurled portions 42.According to the present invention, by closely forming crest line 52, need not protruding knurled portions 42 is increased to more than the needs, and increase polymer film 11 confining force each other.
More specifically, the length of each crest line 52d～52a of protruding knurled portions 42 (summation of La～Ld) annular knurl give zone 40 by every square millimeter for below the above 3mm of 0.95mm, therefore can take into account the curl skew or lax prevent and the edge extends prevents of curling.In addition, the length summation of preferred crest line 52 with annular knurl give the zone 40 every square millimeter be below the above 2.5mm of 1.0mm.And, the length of each crest line 52a～52d (La～Ld) be preferably respectively below the above 0.70mm of 0.25mm.In addition, (La～Ld) can equate mutually also can be different for the length of each crest line 52a～52d.
When crest line 52d～52a becomes quadrangle, the shape that crest line 52a～52d is become can for platform shape, parallelogram, rhombus, rectangle, and square in any one.
And the intersection point 53 of protruding knurled portions 42 also helps the increase of polymer film 11 confining force each other.Therefore, preferably closely form each crest line 52a～52d, and closely form intersection point 53.For example, to give in the zone 40 every square centimeter at annular knurl be more than 50 120 below each to the number of preferred intersection point 53.
In the above-mentioned embodiment, use the 1st roller 31 that has protruding annular knurl tooth 31b on the side face 31a and have the 2nd roller 32 of smooth side face 32a, and annular knurl 41 is arranged at edge 11a, but the present invention is not limited to this.As shown in figure 10, replace the 1st roller 31, also can use the 3rd roller 60 that has a plurality of recessed annular knurl tooth 60b on the side face 60a.That is, as shown in figure 11, also can be the mode of using the 2nd roller 32 and the 3rd roller 60 to come gripping edge 11a.Based on this mode, can be arranged at edge 11a as Figure 12 and protruding annular knurl 65 shown in Figure 13 with a plurality of.Protruding annular knurl 65 is outstanding and be provided with and form quadrangular pyramid platform shape from the 1st surperficial 11h of polymer film 11.Protruding annular knurl 65 has a plurality of crest lines 67, by the crossing summit that forms 68 of crest line 67, and the par 69 that surrounded by a plurality of crest lines 67.Par 69 is the part integral body of being surrounded by a plurality of crest lines 67.
As Figure 10 and shown in Figure 14, recessed annular knurl tooth 60b has the hole 61 of a plurality of quadrangular pyramid platform shapes at side face 60a opening.Bottom surface 61z is formed on 61 bottom in the hole.61 sidepiece forms from bottom surface 61z and extends 4 the 1st side 61a～the 4th side 61d that is provided with through side face 60a in the hole.Bottom surface 61z is a square shape, and is formed flatly.In addition, bottom surface 61z also can be any one in platform shape, parallelogram, rhombus, rectangle and the square.
Recessed annular knurl tooth 60b goes up and forms side rib 61ab, 61bc, 61cd, 61da, side face incline 61ax, 61bx, 61cx, 61dx and bottom surface incline 61az, 61bz, 61cz, 61dz.Side rib 61ab, 61bc, 61cd, 61da are formed by the 1st side 61a～the 4th side 61d.Side face incline 61ax, 61bx, 61cx, 61dx are formed by the 1st side 61a～the 4th side 61d and side face 60a.Bottom surface incline 61az, 61bz, 61cz, 61dz are formed by the 1st side 61a～the 4th side 61d and bottom surface 61z.
The angle θ 3 at least one angle is greater than below 0 ° and 90 ° in 4 angles that each bottom surface incline 61az～61dz is become.And the angle θ 3 at least one angle is preferably more than 0 ° and less than 90 ° in 4 angles that each bottom surface incline 61az～61dz is become, and more preferably is greater than below 0 ° and 70 °.If the angle θ 3 at least one angle is that then the angle at other angles also can become the obtuse angle greater than below 0 ° and 90 ° in the angle that each bottom surface incline 61az～61dz is become.In addition, among the figure, bottom surface incline 61az represents with angle θ 3 with the angle at incline angle that 61bz becomes, bottom surface.But the present invention is not limited to this.For example, the also angle that bottom surface incline 61bz can be become with bottom surface incline 61cz, any one is made as angle θ 3 in the angle that bottom surface incline 61cz is become with bottom surface incline 61dz, bottom surface incline 61dz and angle that bottom surface incline 61az is become.
The length summation L of each bottom surface incline 61az～61dz of the last every square centimeter of formation of side face 60a
61zBeing preferably below the 0.95mm, more preferably is below the 1.0mm.Thus, formation can take into account the curl skew or the lax annular knurl that prevents that extends with the edge of preventing that curls.Summation L
61zBeing preferably below the 3mm, more preferably is below the 2.5mm.And, the length summation L of each side face incline 61ax～61dx of the last every square centimeter of formation of side face 60a
61xBeing preferably below the 3mm, more preferably is below the 2.5mm.Summation L
61xBeing preferably more than the 0.95mm, more preferably is more than the 1.0mm.The length of each side face incline 61ax～61dx can equate mutually, also can be different.The length of preferred each side face incline 61ax～61dx for example is below the above 0.70mm of 0.25mm.Equally, the length of each bottom surface incline 616az～61dz can equate mutually, also can be different.The length of preferred each side face incline 616ax～61dx for example is below the above 0.70mm of 0.25mm.In addition, preferably the number of each side rib 61ab, 61bc, 61cd, 61da on side face 60a every square centimeter be more than 50 below 120.
In addition, hole 61 is not limited to quadrangular pyramid platform shape, can be triangular cone table shape, pentagonal pyramid platform shape, hexagonal frustum and circular cone shape and other frustums, can be the column of cylinder or polygon etc. also, and the groove more than 1 or 2 also can be arranged.
And, as shown in figure 15, also can use the 1st roller 31 (with reference to Fig. 4) and the 3rd roller 60 (with reference to Figure 10) annular knurl 70 to be set at edge 11a.As shown in figure 16, annular knurl 70 has the 1st annular knurl 71 that is arranged at the 1st surperficial 11h and the 2nd annular knurl 72 that is arranged at the 2nd surperficial 11t.It is protruding knurled portions 71a and the recessed knurled portions 71b of H1 that the 1st annular knurl 71 has from the height of the 1st surperficial 11h.It is the protruding knurled portions 72a of H2 that the 2nd annular knurl 72 has from the height of the 2nd surperficial 11t.Protruding knurled portions 71a and protruding knurled portions 72a have crest line, reach the crossing summit that forms by this crest line in protruding end separately.
The length summation of crest line with annular knurl give the zone 40 every square millimeter be below the above 3mm of 0.95mm.Be meant the value of length summation of the crest line of the length summation of the crest line that adds up to protruding knurled portions 71a and protruding knurled portions 72a in this " length summation of crest line ".In addition, the length summation of preferred crest line with annular knurl give the zone 40 every square millimeter be below the above 2.5mm of 1.0mm.
The height H 1 of protruding knurled portions 71a is preferably below the above 30 μ m of 3 μ m, more preferably is below the above 15 μ m of 3 μ m, especially is preferably below the above 9 μ m of 3 μ m.The value of H1/H2 is preferably more than 0.5 below 2, more preferably is more than 1.0 below 1.5.
In addition, the formation spacing of the 1st annular knurl 71 and the 2nd annular knurl 72 can equate, also can be different.And the position that the 2nd annular knurl 72 is set can be made as the dead astern of the position that the 1st annular knurl 71 is set, and also can be made as between 2 the 1st annular knurls 71.The dead astern of the 1st annular knurl 71 preferably is set in addition.Therefore, the formation spacing that is preferably disposed on the protruding annular knurl tooth 31b of side face 31a equates with the formation spacing of the recessed annular knurl tooth 60b that is arranged at side face 60a.And, preferably adjust the 1st roller 31 on the sense of rotation and the 3rd roller 30 direction so that protruding annular knurl tooth 31b and recessed annular knurl tooth 60b over against state under clamping polymer film 11.For example, also can adjust the direction of the 1st roller 31 and the 3rd roller 30 by displacement portion 27.
In the above-mentioned embodiment, the 1st annular knurl 71 is arranged at the 1st surperficial 11h to be gone up and the 2nd annular knurl 72 is arranged on the 2nd surperficial 11t, but the present invention is not limited to this, also the 1st annular knurl 71 can be arranged at the 2nd surperficial 11t and go up and the 2nd annular knurl 72 is arranged on the 1st surperficial 11h.
In the above-mentioned embodiment, the protruding knurled portions that is provided with quadrangular pyramid platform shape is as protruding knurled portions, but the present invention is not limited to this, for example, triangular cone table shape, pentagonal pyramid platform shape, hexagonal frustum and circular cone shape and other frustums can be, also prominent bar more than 1 or 2 can be.
In addition, the direction of each annular knurl being set can be towards any one direction.In addition, the direction of each annular knurl also can be towards equidirectional, also can be for irregular.
(manufacture method of polymer film)
In film manufacturing device 12, carry out solution film-forming method, fusion film-forming method or other film-forming methods and make polymer film.With regard to solution film-forming method, make the polymer solution of polymer dissolution in solvent that becomes raw material flow to supporter, make liquid film.Afterwards, peel liquid film and make solvent from liquid film evaporation, and as polymer film.In addition, from the overburden operation this point of supporter, before peeling from supporter, also can carry out self-supporting discovery operation.Self-supporting discovery operation is the operation of the self-supporting of discovery liquid film.In the self-supporting discovery operation, also liquid film can be cooled to and find till the self-supporting, also can make solvent from liquid film evaporation till find self-supporting.And the fusion film-forming method be to use extruder, and the raw polymer of fusion is extruded into membranaceous method.
(polymkeric substance)
In the above-mentioned embodiment, there is no particular limitation to become the polymkeric substance (hereinafter referred to as raw polymer) of the raw material of polymer film.When carrying out solution film-forming method,, acylated cellulose or cyclic polyolefin etc. are for example arranged as raw polymer.On the other hand, when carrying out the fusion film-forming method, as raw polymer, for example can enumerate acylated cellulose, contain lactonic ring polymkeric substance, cyclic polyolefin, polycarbonate etc.Wherein preferred acylated cellulose, cyclic polyolefin, the cyclic polyolefin that wherein more preferably comprises the acylated cellulose of acetoxy group, propionyloxy, obtains by addition polymerization, the more preferably cyclic polyolefin that obtains by polyaddition.
(acylated cellulose)
As acylated cellulose, especially preferred Triafol T (TAC).And, even in acylated cellulose, more preferably use the ratio of the cellulosic hydroxyl of carboxylic esterification, that is, the degree of substitution of acyl group satisfies all following formulas (I)～(III).In addition, in following formula (I)～(III), A and B represent the degree of substitution of acyl group, and A is the degree of substitution of acetyl group, and B is the degree of substitution of the acyl group of carbon number 3～22.In addition, 90% weight of preferred TAC is above is the particle of 0.1mm～4mm.
(I)2.0≤A+B≤3.0
(II)0≤A≤3.0
(III)0≤B≤2.9
The glucose unit that constitutes cellulosic β-1,4 combination has free hydroxyl at 2,3 and 6.Acylated cellulose is for by carbon number being a part or the whole polymkeric substance (polymer) of these hydroxyls of acyl group esterification more than 2.The acyl degree of substitution is meant that respectively to 2,3 and 6, the hydroxyl of vitamin carries out the ratio (100% esterification is a degree of substitution 1) of esterification.
Full acidylate degree of substitution, promptly DS2+DS3+DS6 is preferably 2.00～3.00, more preferably is 2.22～2.90, especially is preferably 2.40～2.88.And DS6/ (DS2+DS3+DS6) is preferably more than 0.28, more preferably is more than 0.30, especially is preferably 0.31～0.34.At this; DS2 is based on the degree of substitution of the acyl group of 2 hydroxyls of glucose unit (hereinafter referred to as " 2 acyl degree of substitution "); DS3 is the degree of substitution (hereinafter referred to as " 3 acyl degree of substitution ") of 3 hydroxyls based on acyl group, and DS6 is the degree of substitution (hereinafter referred to as " 6 acyl degree of substitution ") of 6 hydroxyls based on acyl group.
The acyl group that is used for acylated cellulose of the present invention can only use a kind, perhaps also can use the acyl group more than 2 kinds.When using the acyl group more than 2 kinds, preferably one of them is an acetyl group.If will be made as DSA based on the degree of substitution summation of 2,3 and 6 hydroxyls, 2,3 and 6 hydroxyls are made as DSB based on the degree of substitution summation of the acyl group beyond the acetyl group, then the value of DSA+DSB more preferably is 2.22～2.90, especially is preferably 2.40～2.88.And DSB is 0.30, especially is preferably more than 0.7.In addition, its of DSB is the substituting group of 6 hydroxyls more than 20%, but more preferably is the substituting group of 6 hydroxyls more than 25%, and more preferably more than 30%, especially preferred is the substituting group of 6 hydroxyls more than 33%.And 6 degree of substitution also can further enumerating acylated cellulose are more than 0.75, further are more than 0.80, especially are the acylated cellulose more than 0.85.Can make the solution (dope) of dissolubility excellence by these acylated celluloses.Especially in the chlorine-free organic solvent, can make good solution.And it is low to make viscosity, the solution that filterableness is good.
As the cellulose of the raw material of acylated cellulose also can be from linter, slurry any acquisition.
As the carbon number of acylated cellulose of the present invention is acyl group more than 2, can be that fatty group also can be an aryl, does not limit especially.These for example are cellulosic alkyl carbonyl ester, alkene carbonyl ester or aromatic series carbonyl ester, aromatic series alkyl carbonyl ester etc., also can further have the base of replacement respectively.As these preferred example, can enumerate propiono, bytyry, amylalcohol acyl group, caproyl, caprylyl, capryl, dodecane acyl group, tridecane acyl group, tetradecane acyl group, hexadecane acyl group, octadecanoyl, isobutyryl, uncle's bytyry, cyclohexane carbonyl, oleoyl, benzoyl, naphthalene carbonyl, cinnamoyl etc.In the middle of these, preferred propiono, bytyry, dodecane acyl group, octadecanoyl, uncle's bytyry, oleoyl, benzoyl, naphthalene carbonyl, cinnamoyl etc., especially preferred propiono, bytyry.
(solvent)
Solvent as the modulation dope (for example can be enumerated aromatic hydrocarbon, benzene, toluene etc.), halogenated hydrocarbon (for example, methylene chloride, chlorobenzene etc.), alcohol (for example, methyl alcohol, ethanol, n-propanol, normal butyl alcohol, diglycol etc.), ketone (for example, acetone, MEK etc.), ester (for example, methyl acetate, ethyl acetate, propyl acetate etc.) and ether (for example, tetrahydrofuran, methyl cellosolve etc.) etc.In addition, in the present invention, dope is meant polymer dissolution or is scattered in the solvent and the polymer solution that obtains, dispersion liquid.
In the middle of these, preferably using carbon number is 1～7 halogenated hydrocarbon, most preferably uses methylene chloride.With the dissolubility of TAC, casting films from the fissility of supporter, the mechanicalness intensity of film etc., and the viewpoint of the physical property of the optical characteristics of film etc. consider that preferably a kind of and even several carbon numbers of mixing are 1～5 alcohol except that methylene chloride.The amount of alcohol is 2 weight %～25 weight % with respect to solvent integral body preferably, more preferably is 5 weight %～20 weight %.Concrete example as alcohol can be enumerated methyl alcohol, ethanol, n-propanol, isopropyl alcohol, normal butyl alcohol etc., but preferably uses methyl alcohol, ethanol, normal butyl alcohol or their potpourri.
But, be purpose will the influence of environment be controlled to Min. recently, solvent combination when not using methylene chloride is also discussed, for this purpose, preferably using carbon number is that 4～12 ether, carbon number are that 3～12 ketone, carbon number are that 3～12 ester, carbon number are 1～12 alcohol.Sometimes suitably mixing these uses.For example, can enumerate the mixed solvent of methyl acetate, acetone, ethanol, normal butyl alcohol.These ethers, ketone, ester and alcohol can have ring texture.And, have 2 above ethers, ketone, ester and alcohol functional group (that is ,-O-,-CO-,-COO-and-any compound more than two kinds in OH) also can be used as solvent.
In addition, about the detailed content of acylated cellulose, be recorded in open 2005-104148 number of Jap.P. from [0140] section to [0195] section.These record contents are also applicable to the present invention.And, about solvent and plastifier, anti-deterioration agent, ultraviolet light absorber (UV agent), optical anisotropy inhibitor, delay inhibitor, dyestuff, deluster, remover, peel off adjuvant such as promoter too write up in [0196] section of open 2005-104148 number of Jap.P. to [0516] section.
(purposes)
Polymer film of the present invention is effectively as polarization board protective film or phase retardation film.Also can give optical anisotropic band, anti-reflection layer, anti-dazzle functional layer and as high functional membrane to this polymer film.
[embodiment]
Then, in order to confirm to have or not effect of the present invention, carried out experiment 1～6.In experiment 1, be described in detail,, omit and the explanation of testing 1 the same terms place, different parts only is described about testing 2～6.
(experiment 1)
In film manufacturing device shown in Figure 1 12, having made length is that 5000m, width are that 1500mm, thickness are the cellulose acylate film of 80 μ m.Afterwards, by having the annular knurl applicator 15 of the 1st roller 31 and the 2nd roller 32, the annular knurl 41 (with reference to Fig. 6) that will have recessed knurled portions 43 and protruding knurled portions 42 is arranged at the edge 11a of cellulose acylate film.Protruding knurled portions 42 is made of 4 prominent bars that surround recessed knurled portions 43.And take-up mechanism 14 will batch at the cellulose acylate film that edge 11a gives annular knurl 41 in volume core 21 and as film roller 13.
The length L 1 that is arranged at the crest line 52 of each prominent bar all is 0.25mm.The summation ∑ L1 of the length L 1 of the crest line 52 of each annular knurl 41 is 1.00mm.The crest line 52 that is arranged at each prominent bar intersects with approximate right angle with the crest line 52 that is arranged at adjacent prominent bar.And, give in the zone 40 length d of crest line 52 of every square millimeter protruding knurled portions 42 at annular knurl
∑ L1Be 0.8605mm
-1The height H 1 of protruding knurled portions 42 is 10 μ m.
(experiment 2～4)
Summation ∑ L1, the annular knurl of the length L 1 of the length L 1 of crest line 52, crest line 52 are given in the zone 40 length d of every square millimeter crest line 52
∑ L1, and the height H 1 of protruding knurled portions 42 be made as the value shown in the table 1, identical with experiment 1 in addition, will batch in volume core 21 and as film roller 13 at the cellulose acylate film that edge 11a gives annular knurl 41.
(experiment 5～6)
Use has the annular knurl applicator of the 1st roller 31 and the 3rd roller 60, is provided with on the 1st surperficial 11h with cellulose acylate film on the 1st annular knurl the 71, the 2nd surperficial 11t the 2nd annular knurl 72 is set.The summation ∑ L1 of the length L 1 of the crest line of the 1st annular knurl 71, the length L 1 of crest line, annular knurl are given in the zone 40 every square millimeter the length d of crest line
∑ L1, and the height H 1 of protruding knurled portions as shown in table 1 respectively.Equally, summation ∑ L2, the annular knurl of the length L 2 of the length L 2 of the crest line of the 2nd annular knurl 72, crest line are given in the zone 40 every square millimeter the length d of crest line
∑ L2, and the height H 2 of protruding knurled portions as shown in table 1 respectively.Other are 1 identical with experiment, will batch in volume core 21 and as film roller 13 at the cellulose acylate film that edge 11a gives annular knurl 71,72 respectively.
(evaluation)
Resulting film roller is carried out following evaluation.
1. batch lax evaluation
In the evaluation of " batching lax ", estimated the film roller 13 that batches after the end whether batch radius even on its all direction.Particularly, as described in Figure 17, the volume core 21 of measuring the film roller 13 after batching end is gone up the radius R that batches of direction and the extension of following direction respectively towards figure
U, R
LAnd, calculate R from its measurement result
UWith R
LThe up and down i.e. diameter difference Δ R of difference.And, with following benchmark diameter difference Δ R about this is estimated.
A：ΔR＜2mm
B：2mm≤ΔR＜5mm
C：ΔR≥5mm
2. the evaluation of edge extension
In the evaluation of " edge extension ", measure the width W e1 at the edge after batching preceding border width We0 and batching, calculate (We1/We0).And, to (We1/We0), estimate with following benchmark.At this, the width W e0 at the edge before batching is as the polymer film before batching, and is the width at the edge that is endowed annular knurl.And the width W e1 at the edge after batching is as batching behind the volume core, and the polymer film of sending from the volume core is the width at the edge of giving annular knurl.
A：We1/We0＜4
B：4≤We1/We0＜9
C：We1/We0≥9
3. the evaluation of subsiding
In the evaluation of " subsiding ", measure the depth D of the portion of subsiding 90 of film roller 13.At first, as shown in figure 18, in the two ends of film roller 13 backguy 91, and slotted line 91 and the distance between the portion 90 of subsiding.Secondly, the depth D that is made as the portion of subsiding 90 of maximum in the Determination of distance value of the line 91 and the portion 90 of subsiding.And the thickness D to the portion of subsiding 90 estimates with following benchmark.
A：D＜10
B：10≤D＜20
C：D≥20
[table 1]
Evaluation result summary to each assessment item is shown in Table 1.In addition, the sequence number that is shown in the evaluation result of table 1 is illustrated in sequence number additional on the lattice assessment item.
Claims (10)
1. the polymer film of a band shape is characterized in that, possesses following content:
Annular knurl is given the zone, arranges a plurality of annular knurls of giving prominence to from face respectively, and is in the both ends of the surface of the Width of described polymer film; And
Crest line is arranged at the protruding end of described annular knurl, and its length summation is given the zone by every square millimeter of described annular knurl and is the following scope of the above 3mm of 0.95mm.
2. polymer film as claimed in claim 1, wherein,
Described crest line has the 1st crest line, the 2nd crest line and intersection point, and described the 2nd crest line and the 1st crest line intersect, and described intersection point is the point that described the 1st crest line and described the 2nd crest line intersect.
3. polymer film as claimed in claim 1, wherein,
Described annular knurl has the concave portion that is surrounded by described crest line.
4. polymer film as claimed in claim 1, wherein,
Described annular knurl has the flat that is surrounded by described crest line.
5. polymer film as claimed in claim 1, wherein,
The 1st annular knurl is set on one side's the face, the 2nd annular knurl is set on the opposing party's the face.
6. polymer film as claimed in claim 5, wherein,
The height of described the 1st annular knurl is made as A, and when the height of described the 2nd annular knurl was made as B, the value of A/B was more than 0.5 below 2.
7. polymer film as claimed in claim 5, wherein,
Described the 1st annular knurl has the concave portion that is surrounded by described crest line, and described the 2nd annular knurl has the flat that is surrounded by described crest line.
8. a film roller is characterized in that, possesses following content:
Polymer film to the curling band shape of long side direction;
Annular knurl is given the zone, is arranged at the both ends of the Width of described polymer film respectively, and described annular knurl is given and being arranged with in the zone respectively from the outstanding a plurality of annular knurls of face; And
Crest line is arranged at the protruding end of described annular knurl, and its length summation is given the zone by every square millimeter of described annular knurl and is the following scope of the above 3mm of 0.95mm.
9. an annular knurl is given roller, it is characterized in that possessing:
The roller main body; And
The annular knurl tooth is arranged to give prominence to from the side face of described roller main body, and the length summation of the crest line that described annular knurl tooth is become with described side face is below the 3mm by the side face of every square millimeter of described roller main body.
10. an annular knurl is given roller, it is characterized in that possessing:
The roller main body; And
The annular knurl tooth is made of the hole at the side face opening of described roller main body, and the bottom surface in described hole and the length summation of extending the crest line that the side became that is provided with through described side face from described bottom surface are more than the 0.95mm by the side face of every square millimeter of described roller main body.
Applications Claiming Priority (2)
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| JP282691/2009 | 2009-12-14 | ||
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| CN106363899A (en) * | 2015-07-21 | 2017-02-01 | 富士胶片株式会社 | Polymer film |
| CN107020777A (en) * | 2016-02-25 | 2017-08-08 | 住友化学株式会社 | The manufacture method of laminated optical film |
| CN114104793A (en) * | 2021-11-10 | 2022-03-01 | 深圳市三利谱光电科技股份有限公司 | Polaroid storage roll, auxiliary tool for polaroid storage roll and manufacturing method |
| TWI813251B (en) * | 2021-05-28 | 2023-08-21 | 日商東洋鋼鈑股份有限公司 | Rolled film body and method for producing wound film body |
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| JP5704759B2 (en) * | 2011-08-31 | 2015-04-22 | 富士フイルム株式会社 | Polymer film |
| JP5650140B2 (en) * | 2012-01-10 | 2015-01-07 | 富士フイルム株式会社 | Knurling roller, apparatus, web roll manufacturing method and optical film |
| JP5466250B2 (en) * | 2012-02-16 | 2014-04-09 | 富士フイルム株式会社 | Knurling roller, apparatus, film roll manufacturing method and optical film |
| JP5922613B2 (en) * | 2013-05-08 | 2016-05-24 | 富士フイルム株式会社 | Knurling apparatus and method, and film roll manufacturing method |
| JP6407805B2 (en) * | 2015-06-24 | 2018-10-17 | 富士フイルム株式会社 | Web manufacturing method and web |
| CN108602240B (en) | 2016-02-26 | 2020-05-19 | 日本瑞翁株式会社 | Long film |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5670188A (en) * | 1994-12-19 | 1997-09-23 | Eastman Kodak Company | Apparatus for single-sided, cold mechanical knurling |
| JP2003117997A (en) * | 2001-10-16 | 2003-04-23 | Fuji Photo Film Co Ltd | Working method for controlling web thickness and web |
| CN1420008A (en) * | 2001-11-16 | 2003-05-28 | 富士胶片株式会社 | Film mfg. method, winding method and film coil |
| CN101180172A (en) * | 2005-03-16 | 2008-05-14 | 富士胶片株式会社 | Method for producing resin sheet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5393589A (en) | 1992-06-24 | 1995-02-28 | Eastman Kodak Company | Apparatus and method for variably knurling edges of web and product produced thereby |
| JPH11262950A (en) * | 1998-01-16 | 1999-09-28 | Fuji Photo Film Co Ltd | Method and apparatus for thickening processing of web |
| JP4752084B2 (en) * | 1999-01-21 | 2011-08-17 | 東洋紡績株式会社 | Biaxially oriented polyester film and roll |
| JP2007091784A (en) * | 2005-09-27 | 2007-04-12 | Sumitomo Chemical Co Ltd | Acrylic film |
-
2010
- 2010-11-22 JP JP2010259878A patent/JP5684545B2/en active Active
- 2010-12-13 KR KR1020100126833A patent/KR101755040B1/en active IP Right Grant
- 2010-12-14 CN CN201010587995.8A patent/CN102096121B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5670188A (en) * | 1994-12-19 | 1997-09-23 | Eastman Kodak Company | Apparatus for single-sided, cold mechanical knurling |
| JP2003117997A (en) * | 2001-10-16 | 2003-04-23 | Fuji Photo Film Co Ltd | Working method for controlling web thickness and web |
| CN1420008A (en) * | 2001-11-16 | 2003-05-28 | 富士胶片株式会社 | Film mfg. method, winding method and film coil |
| CN101180172A (en) * | 2005-03-16 | 2008-05-14 | 富士胶片株式会社 | Method for producing resin sheet |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363899A (en) * | 2015-07-21 | 2017-02-01 | 富士胶片株式会社 | Polymer film |
| CN106363899B (en) * | 2015-07-21 | 2019-12-06 | 富士胶片株式会社 | Polymer film |
| CN107020777A (en) * | 2016-02-25 | 2017-08-08 | 住友化学株式会社 | The manufacture method of laminated optical film |
| TWI813251B (en) * | 2021-05-28 | 2023-08-21 | 日商東洋鋼鈑股份有限公司 | Rolled film body and method for producing wound film body |
| CN114104793A (en) * | 2021-11-10 | 2022-03-01 | 深圳市三利谱光电科技股份有限公司 | Polaroid storage roll, auxiliary tool for polaroid storage roll and manufacturing method |
Also Published As
| Publication number | Publication date |
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| KR101755040B1 (en) | 2017-07-06 |
| KR20110068878A (en) | 2011-06-22 |
| CN102096121B (en) | 2014-11-12 |
| JP2011143710A (en) | 2011-07-28 |
| JP5684545B2 (en) | 2015-03-11 |
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