CN106927139A

CN106927139A - The package body of polyvinyl alcohol film volume

Info

Publication number: CN106927139A
Application number: CN201611204810.4A
Authority: CN
Inventors: 朝田秀; 日笠慎太郎; 矶崎孝德
Original assignee: Kuraray Co Ltd
Current assignee: Kuraray Co Ltd
Priority date: 2012-01-04
Filing date: 2012-12-12
Publication date: 2017-07-07
Anticipated expiration: 2032-12-12
Also published as: KR20140109931A; TW201339065A; CN104024127A; TWI598277B; JP6077442B2; JP2016210509A; WO2013103074A1; JP6246874B2; KR102038164B1; CN106927139B; CN104024127B; JPWO2013103074A1

Abstract

A kind of package body, is that will batch PVA film（2）Volume packing film（4）The package body of packaging, with following constructions：At the both ends of package body（5）On, it is configured with foamed damping part successively towards outside from the inside of package body（7）, packing film（4）And neonychium（9）.By the construction, the injury of PVA film volume when can fully prevent from taking care of and when conveying can reduce cut-out during uniaxial tension.

Description

The package body of polyvinyl alcohol film volume

The application is that the Application No. 201280066036.9, applying date is on December 12nd, 2012, entitled " poly- second The divisional application of the application for a patent for invention of the package body of enol film roll ".

Technical field

The present invention relates to package body, its manufacturer that the volume packing film that will wrapped around polyvinyl alcohol film is packed The keeping of method and the volume or carrying method.

Background technology

The Polarizer of transmission and shielding function with light is liquid crystal display together with the liquid crystal of the switching function with light Device（LCD）Basic composed component.The application field of the LCD is from desk top computer and wrist-watch of initial stage of development or so etc. Mini-plant has been expanded to notebook computer, liquid crystal display, color liquid crystal projecting apparatus, liquid crystal TV set, vehicle-mounted in recent years With the various fields of navigation system, portable phone and the Measuring Device for using outward indoors etc..On the other hand, especially in liquid crystal electricity Reduced rapidly depending on price in the field of machine, it is desirable to yield rate when Polarizer is manufactured（Harvest product rate）Raising.

Polarizer is general by polyvinyl alcohol（Hereinafter, there is the situation that " polyvinyl alcohol " brief note is made " PVA "）Film Implement dyeing, uniaxial tension and implement again as needed after the fixing process of boron compound etc. produces polarizing film, By Triafol T of being fitted on the surface of the polarizing film（TAC）The diaphragms such as film are manufactured.

But, in above-mentioned uniaxial tension, typically there is its stretching ratio more high, the performance of the polarizing film for obtaining is higher Trend, so stretched until PVA film fracture the limit near situation it is more.Therefore, even if on PVA film slightly Slightly damage, also for starting point is cut off, there is the yield rate of polarizing film and then Polarizer here（Harvest product rate）And it is raw The problem that yield easily declines.Particularly, PVA film is generally protected with the form of the volume for batching the PVA film of size long Pipe is conveyed, but if there is damage on the end face of the volume, then has and asking for cut-out is susceptible in the uniaxial tension of PVA film Topic.So, the damage for reducing PVA film becomes important, but compared with the manufacture of PVA film, in its keeping or in conveying The situation that the damage occurs is more.

On such problem, it is known to following methods：To prevent in it wrapped around the keeping of volume of PVA film or conveying To brought on its end face damage, can be by PVA film stable pulling etc. for the purpose of, make the length of core more long than the width of PVA film, Packed with specific packing film（With reference to patent document 1）.

Furthermore it is known that there is following method：By making packed state, the volume of volume when being prevented from keeping or conveying is wrong The deterioration of position, the injury of film, film caused by adhesion, and can obtain optical to core from the volume peripheral part of volume Uneven less polarizing film of energy, the packed state will wind PVA film in the core pipe more long than thin-film width and form Volume vapor insulating package resin film packaging, packed with the packing film being made up of aluminum from it（With reference to specially Sharp document 2）.In patent document 2, record to prevent the attachment of the foreign matter of the injury or rubbish etc. of end, can be direct Or the neonychium with core pipe through hole is installed on the both ends of volume after packaging.

Patent document 1：JP 2001-315885 publications

Patent document 2：JP 2005-306483 publications.

The content of the invention

It can be seen that injury to a certain degree prevents effect, cut-out during stretching subtracts for the packaged configuration of above-mentioned conventional art It is few, but can cut off, there is the leeway of further improvement.Particularly, in recent years, the water for cleaning during Polarizer is manufactured It is flat to become strict, also become many using the situation of PVA film in clean room, but in this case, by PVA film to clear Clean interior is more by the situation of the possibility of the attachments such as dust packing film higher removal in advance before taking, and will now install Neonychium in the outside of packing film is also removed, so the injury of volume can not be adequately suppressed.In order to suppress such volume It is injured, it is also possible to consider neonychium is installed in the inner side of packing film as described in patent document 2, but only by only Using the structure, have because the problem of the influence of the neonychium being in direct contact with volume end face, on the contrary easy injury etc..

It is an object of the invention to provide it is a kind of can be substantially prevented from keeping when and volume during conveying it is injured, will roll up clear Also injury that volume can be suppressed in the case of clean indoor use, the PVA that can reduce cut-out during by PVA film uniaxial tension are thin The package body of the volume of film, the keeping of its manufacture method and volume or carrying method.

The present inventors are studied in order to achieve the above object, are found by the both ends of the volume in PVA film The volume is packed with packing film after upper installation foamed damping part, neonychium is installed to both ends from the upper side again, can reached Above-mentioned purpose, is further studied repeatedly based on the understanding, completes the present invention.

That is, the present invention on

［ 1 ］ a kind of package body, is the package body for packing volume packing film, and the volume is to wrapped around PVA film to form , the package body has following constructions：At the both ends of package body, hair is configured with successively towards outside from the inside of package body Bubble bolster, packing film and neonychium；

［ 2 ］ in the package body of above-mentioned ［ 1 ］, foamed damping part is formed by the foamed plastic of separated foam；

［ 3 ］ in the package body of above-mentioned ［ 1 ］ or ［ 2 ］, foamed damping part is formed by polyethylene foamed；

［ 4 ］ in the package body of any one of above-mentioned ［ 1 ］~［ 3 ］, the thickness of foamed damping part is more than 2mm；

［ 5 ］ in the package body of any one of above-mentioned ［ 1 ］~［ 4 ］, the water absorption rate of foamed damping part is 0.05g/cm²Below；

［ 6 ］ in the package body of any one of above-mentioned ［ 1 ］~［ 5 ］, volume aluminium class film packaging is formed；

［ 7 ］ in the package body of above-mentioned ［ 6 ］, after by volume with aluminium class film packaging, then formed with PE-PP composite waterproofing membrane；

［ 8 ］ in the package body of above-mentioned ［ 6 ］ or ［ 7 ］, aluminium class film is plural layers, and the plural layers have following constructions： Polyethylene film or stretched polypropene film are laminated with the two sides of aluminium foil；

［ 9 ］ in the package body of any one of above-mentioned ［ 6 ］~［ 8 ］, aluminium class film is plural layers, under the plural layers have State construction：It is laminated aluminium foil and nylon film；

［ 10 ］ in the package body of any one of above-mentioned ［ 1 ］~［ 9 ］, 25% compression stress of neonychium is more than 50kPa；

［ 11 ］ a kind of manufacture method, is the manufacture method of the package body of any one of above-mentioned ［ 1 ］~［ 10 ］, is had：The two of volume The operation of foamed damping part is installed on end, operation, Yi Jicong that the volume of foamed damping part is packed with packing film will be installed The top of packing film is installed by the operation of neonychium；

［ 12 ］ a kind of keeping of volume or carrying method, with the form keeping or defeated of the package body of any one of above-mentioned ［ 1 ］~［ 10 ］ Send volume.

Even in accordance with the invention it is possible to provide it is a kind of can fully prevent keeping when and conveying when volume injury, To roll up situation about being used in clean room can also suppress volume it is injured, cut-out during by PVA film uniaxial tension can be reduced The package body of volume of PVA film, the keeping of its manufacture method and volume or carrying method.

Brief description of the drawings

Fig. 1 is the skeleton diagram of the one of the section of end that represents package body of the invention.

Fig. 2 is the skeleton diagram of that represents volume of the invention.

Specific embodiment

Hereinafter, the present invention is explained.

The volume packing film packaging that package body of the invention will wrapped around PVA film is formed.Also, with following Construction：At the both ends of the package body（Near the both ends of the surface of volume）, foaming is configured with successively towards outside from the inside of package body Bolster, packing film and neonychium.

Package body of the invention as described above, with being configured successively towards outside at both ends, from the inside of package body There is the construction of foamed damping part, packing film and neonychium.The specific form of the package body is not particularly limited, Ke Yiju Go out and be for example arranged in sequence with towards outside from the inside of package body in each end（Volume end face）/ foamed damping part/packing film/guarantor Protection pad/（The outside of package body）Form；It is arranged in sequence with（Volume end face）/ foamed damping part/packing film/neonychium/packaging Film/（The outside of package body）Form；It is arranged in sequence with（Volume end face）/ foamed damping part/packing film/neonychium/packaging Film/neonychium/（The outside of package body）Form；It is arranged in sequence with（Volume end face）/ foamed damping part/packing film/protection Pad/packing film/neonychium/packing film/（The outside of package body）Form etc..In addition, in above-mentioned illustration, belonging to identical The part of category（Foamed damping part, packing film or neonychium）There can also be multi-ply construction, for example, have "/packing film/" Person, both can be a kind of packing film only exist 1 layer, or a kind of packing film exist more than 2 layers, or two kinds with On packing film be respectively present 1 layer or more than 2 layers.

In the specific form of above-mentioned package body, also because the manufacture of package body is easier to, it is preferred that Each end is arranged in sequence with from the inside of package body towards outside（Volume end face）/ foamed damping part/packing film/neonychium/（Bag Fill the outside of body）Form and be arranged in sequence with（Volume end face）/ foamed damping part/packing film/neonychium/packing film/（Bag Fill the outside of body）Form, be more preferably arranged in sequence with（Volume end face）/ foamed damping part/packing film/neonychium/（Bag Fill the outside of body）Form.

Fig. 1 is the skeleton diagram of the one of the section of end that represents package body of the invention.In Fig. 1, PVA film 2 form volume on cylindric core 1 described later.Also, the volume is packed by packing film 4a and 4b, packaging is formed Body.Arrow A in Fig. 1 represents the direction from the inside of package body towards outside, in the skeleton diagram of Fig. 1, from package body Portion is arranged in sequence with towards outside（Volume end face 6）Packing film 4a and the 4b/ neonychium 9/ of/foamed damping part 7/（Outside package body Side）.

The volume of package body of the invention batches PVA film and forms, for example, batch PVA film on cylindric core forming. Batched on cylindric core in the case that PVA film forms in volume, the both ends of the core preferably form the end face from volume Prominent protuberance.Fig. 2 is the skeleton diagram of that represents volume of the invention.In fig. 2, volume 11 is rolled up on cylindric core 12 PVA film 13 is taken to form.The both ends of cylindric core 12（An end 16 is only represented in fig. 2）The end from volume is formed respectively The prominent laterally protuberance on the length direction of core in face 14.Form protuberance by the both ends of core, foamed damping part and The installation of neonychium becomes easy, additionally, the keeping of volume and package body or conveying become easy.

The species of above-mentioned cylindric core is not particularly limited, can enumerate for example metal system, plastics system, it is made of paper, It is wooden etc..Additionally, using both structures of metal and plastics, both structures using metal and paper, using plastics and paper Both structures etc., the core of the form of complex can also be used.Among them, because intensity is higher, of the invention in addition Effect significantly more play, so metal and/or plastic core are preferred, even if because Reusability is not easy to be subject to The influence of abrasion etc., so more preferably metal core.Full matter of the quality of metal and plastics relative to cylindric core The shared ratio of amount is preferably more than 50 mass %, more preferably more than 80 mass %, it is further preferred that 95 mass % with On, particularly preferably 100 mass %.

As above-mentioned metal, such as iron, stainless steel, aluminium etc. can be enumerated, both can be used alone a kind in them, Can be used together two or more.Among them, from the viewpoint of intensity, light weight, price etc., aluminium is preferred.

Additionally, as above-mentioned plastics, such as polyvinyl chloride, polyvinylidene chloride, polyester, makrolon, poly- can be enumerated Acid amides, epoxy resin, polyurethane, polyureas, silicones etc., both can be used alone a kind in them, it is also possible to and with two kinds with On.Among them, preferably polyvinyl chloride.The plastics are from the viewpoint of intensity etc. it is also preferred that carbon fiber reinforced plastic etc. Fiber-reinforced plastic（FRP）.

The diameter of cylindric core is not specially limited, and from the viewpoint of intensity, operability etc., its external diameter is preferably 50 In the range of~800mm, in the range of more preferably 80~500mm, it is further preferred that in the range of 100~300mm, In the range of particularly preferably 150~250mm.

Additionally, the wall thickness of the core of cylindrical shape is from the viewpoint of intensity, operability etc., in the range of preferably 2~50mm, In the range of more preferably 3~20mm, it is further preferred that in the range of 4~10mm.

As the PVA for constituting PVA film, can enumerate the polyvinyl ester saponification that for example obtains the vinyl esters that has been polymerized and The PVA for obtaining（Unmodified PVA）；The modified PVA of comonomer to the main chain graft copolymerization of PVA；By the ethene by copolymerization The modified poly ethylene ester saponification of base ester and comonomer and the modified PVA that manufactures；By the hydroxyl of unmodified PVA or modified PVA So-called polyvinyl acetal resin of the aldehydes such as a part of formalin, butyraldehyde, benzaldehyde crosslinking etc..

As the above-mentioned vinyl esters used in the manufacture of PVA, such as vinyl acetate, vinyl formate, third can be enumerated Sour ethene, butyric acid ethene, pivalic acid ethene, neodecanoic acid ethene, vinyl laurate, vinyl stearate, vinyl benzoate etc..At it Among, easiness from the manufacture of PVA, obtain easiness, cost etc., vinyl acetate is preferred.

It is purpose copolymerization that the above-mentioned comonomer used in the manufacture of modified PVA is mainly with being modified for PVA, not Damage and used in the range of purport of the invention.As such comonomer, such as ethene, propylene, 1- fourths can be enumerated The olefines such as alkene, isobutene；Acrylic acid or its salt；Methyl acrylate, ethyl acrylate, acrylic acid n- propyl ester, acrylic acid i- Propyl ester, acrylic acid n- butyl esters, acrylic acid i- butyl esters, t-butyl acrylate, 2-ethyl hexyl acrylate, lauryl The esters of acrylic acids such as base, octadecyl base；Methacrylic acid or its salt；Methyl methacrylate, EMA, Methacrylic acid n- propyl ester, methacrylic acid i- propyl ester, n-butyl methacrylate, methacrylic acid i- butyl esters, methyl The first such as t-butyl acrylate, methacrylic acid 2- ethylhexyl esters, lauryl base, methacrylic acid octadecyl Base esters of acrylic acid；Acrylamide, N methacrylamide, N- ethyl acrylamides, N,N-DMAA, two Acetone acrylamide, acrylamide propane sulfonic acid or its salt, acrylamide propyl dimethylamine or its salt, N hydroxymethyl acrylamide Or derivatives thereof wait acrylamide derivative；Methacrylamide, N- methyl methacrylamides, N- ethyl-methyl acryloyls Amine, Methacrylamide propane sulfonic acid or its salt, Methacrylamide diemethylamine or its salt, N- hydroxymethyl, methyl acryloyls The methacrylamide derivatives such as amine or derivatives thereof；N- vinyl formamides, N- vinyl acetamides, N- vinylpyridines The N- vinylamide classes such as pyrrolidone；Methyl vinyl ether, ethyl vinyl ether, n- propyl vinyl ethers, i- propyl ethylenes Base ether, n- butyl vinyl ethers, i- butyl vinyl ethers, t- butyl vinyl ethers, dodecyl vinyl, stearyl The vinyl ethers such as vinyl ethers；The nitriles such as acrylonitrile, methacrylonitrile；Vinyl chloride, vinylidene chloride, PVF, inclined difluoro The ethylene halide class such as ethene；The allyl compounds such as allyl acetate, chloropropene；Maleic acid or its salt or ester；Itaconic acid or its Salt or ester；The vinyl silyl groups compound such as vinyltrimethoxy silane；Isopropenyl acetate etc..Among them, Preferably alpha-olefin（For example, alpha-olefin of carbon number 2~30 etc.）, unsaturated carboxylic acid or derivatives thereof, unsaturated sulfonic acid or Its derivative, more preferably alpha-olefin, particularly preferably ethene.

In modified PVA, the modified amount carried out by comonomer is based on constituting the molal quantity of the full structure unit of modified PVA, Preferably 15 moles below %, more preferably 5 moles below %.

The degree of polymerization of PVA is not particularly limited, but from uniaxial tension make polarizing film and then Polarizer when it is inclined The aspect of optical property and durability etc., preferably more than 2000, more preferably more than 2300.Additionally, the PVA from homogeneous is thin The aspect of easiness, the draftability of the manufacture of film etc., the degree of polymerization of PVA be preferably less than 8000, more preferably 6000 with Under.In addition, the degree of polymerization of PVA described in this manual refers to according to the average of the record measurement of JIS K6726-1994 The degree of polymerization, can according to by PVA resaponifyings and it is refined after the limiting viscosity that is measured in 30 DEG C of water obtain.

The saponification degree of PVA is not particularly limited, but from uniaxial tension make polarizing film and then Polarizer when polarisation The aspect of performance and durability etc., preferably 99 moles more than %, more preferably 99.3 moles more than %, particularly preferably 99.8 moles of more than %.In addition, " saponification degree " of the PVA in this specification, refer to relative to PVA have can by saponification It is transformed to the structure unit of vinyl alcohol unit（Typically, vinyl esters unit）Total molal quantity, the second with vinyl alcohol unit Ratio shared by the molal quantity of enol unit（Mole %）.Saponification degree can be surveyed by the method described in JIS K6726-1994 Amount.

PVA film is preferably and contains plasticizer.Plasticizer is contained by PVA film, dyeability and draftability are improved, and And operation during PVA film manufacture is also improved by property.As plasticizer, preferably polyalcohol, such as second two can be enumerated Alcohol, glycerine, diglycerol, propane diols, diethylene glycol (DEG), triethylene glycol, tetraethylene glycol, trimethylolpropane etc., these plasticizer can be independent Using a kind or it is used in combination of two or more.Among them, from the raising of draftability work well in terms of, more preferably It is to use glycerine, diglycerol or ethylene glycol.

As the amount of the plasticizer in PVA film, 1~30 Quality Mgmt Dept is preferably relative to PVA100 Quality Mgmt Dept, More preferably 3~25 Quality Mgmt Dept, it is further preferred that 5~20 Quality Mgmt Dept.If above-mentioned amount is fewer than 1 Quality Mgmt Dept, There is the situation that dyeability and draftability decline, if more than 30 Quality Mgmt Dept, PVA film becomes excessively soft, under having an operability The situation of drop.

The raising of the fissility of dryer roll of the PVA film to be used from its manufacture, the operational raising of PVA film Deng aspect, preferably contain interfacial agent.It is not particularly limited in the species of interfacial agent, but it is preferred that making With anionic property or the interfacial agent of nonionic.

As anionic surfactant, the sulfuric esters such as the carboxylic acid types such as such as potassium laurate, sulfuric acid monooctyl ester can be enumerated Sulfonic acid types such as type, dodecyl benzene sulfonate etc..

As non-ionic surfactant, the alkyl ether types such as such as polyoxyethylene oleyl ether, polyoxyethylene can be enumerated The alkane such as the alkyl esters such as the alkyl phenyl such as octyl phenyl ether ether type, polyoxyethylene laurate, polyoxyethylene laural base amino ethers Polypropylene glycol ether type, the oleic acid two such as alkylamide type, the polyoxyethylene poly-oxygen propylene aethers such as base amine type, polyoxyethylene laural acid acid amides Allyl phenyl ether type such as the alkylol amide types such as glycollic amide, polyoxyalkylene allyl phenyl ether etc..

These interfacial agents can be used alone, or be used in combination of two or more.

As the amount of the interfacial agent in PVA film, 0.01~1 matter is preferably relative to PVA100 Quality Mgmt Dept Amount portion, more preferably 0.02~0.5 Quality Mgmt Dept, particularly preferably 0.05~0.3 Quality Mgmt Dept.If above-mentioned amount ratio 0.01 Quality Mgmt Dept is few, then the raising effect for having fissility and operability is difficult to situation about presenting, on the other hand, if than 1 mass Portion is more, then the reason for interfacial agent is separated out on PVA film surface and turns into adhesion, there is the situation of operability decline.

PVA film can also contain the other compositions beyond PVA, plasticizer and interfacial agent, such as stabilizer（Oxygen Agent, ultra-violet absorber, heat stabilizer etc.）, solubilizer, anti-blocking agent, fire retardant, charged preventor, lubricant, dispersion Agent, flowing agent, antiseptic etc..These additives can be used alone, or be used in combination of two or more.

The containing ratio of the PVA in PVA film is preferably more than 50 mass %, more preferably more than 70 mass %, enters one Step is preferably more than 85 mass %.

PVA film can use and PVA has been dissolved in liquid medium and plasticizer, interfacial activity has also been dissolved as needed The masking stoste of agent, above-mentioned other compositions beyond them etc. contains containing PVA, liquid medium and as needed plasticising Agent, interfacial agent, above-mentioned other compositions beyond them etc., the masking stoste manufacture of PVA meltings, specifically, can make With for example going back mixed plasticizer, interfacial agent, above-mentioned other compositions beyond them etc. by PVA and as needed and liquid is situated between Matter and make masking stoste or the particle by the PVA containing liquid medium of solution or fused solution etc. as needed plasticising Melting in the presence of agent, interfacial agent, above-mentioned other compositions beyond them etc. and make the masking stoste manufacture of fused solution. In the modulation of masking stoste, it is possible to use stirring-type mixing arrangement, melt extruded machine etc..

As the aforesaid liquid medium used in the modulation of masking stoste, such as water, dimethyl sulfoxide (DMSO), two can be enumerated NMF, dimethylacetylamide, 1-METHYLPYRROLIDONE etc., it is possible to use a kind or two or more in them.Wherein, In terms of the load or recyclability brought to environment, preferably water.

The volatile ingredient ratio of masking stoste（In masking by the volatile ingredient of volatilization or the solvent for evaporating removing etc. , content ratio in masking stoste）It is different according to film forming condition etc., but it is preferred that in the range of 50~95 mass %.It is logical The volatile ingredient ratio for crossing masking stoste is that more than 50 mass %, the viscosity of masking stoste will not become too high, smoothly be made Filtering and deaeration when film stoste is modulated, the manufacture of foreign matter and the less PVA film of defect become easy.On the other hand, pass through The volatile ingredient ratio of masking stoste is that below 95 mass %, the concentration of masking stoste will not become too low, the industry of PVA film Manufacture becomes easy.

Had no particular limits in terms of film-forming method when using masking stoste by PVA film masking, example can be used Such as film by wet method, gel masking method, casting masking method, extruding masking method.These film-forming methods can both use a kind, Can combine using two or more.In above-mentioned film-forming method, it is preferred to use T-shaped slit die, hopper plate, I- moulds, lip are applied The known membranaceous device for discharging fixed of the machine of applying mould etc.（Membranaceous casting device）Casting masking method or extruding masking method.Made as casting The specific method of embrane method or extruding masking method, for example can be preferably by following method：By above-mentioned masking stoste to position In the roller of the heating of the rotation of most upstream side（Or band）Side face on membranaceous discharge or curtain coating, as needed and to spuing or flowing Prolong in the roller（Or band）Side face on film be not in contact with roller（Or band）On face（Noncontact face）Whole face blowing hot air （Preferably 50~150 DEG C, the hot blast of the temperature in the range of more preferably 70~120 DEG C）Deng, make volatile ingredient from The noncontact face is evaporated, and is preferably dried until the volatile ingredient ratio of film turns into the range of 15~30 mass %, is connect It is further dried on the side face for one or more dryer rolls being parallel to each other in the rotary shaft of side downstream in configuration, or makes it After being further dried in the hot-air drying devices such as hot-blast stove formula, batched by devices for taking-up.By the drying of dryer roll and Appropriately combined can also be implemented by the drying of hot-air drying device.Additionally, the film forming apparatus for using as needed can also With annealing device, humidity control device etc..

The PVA film for being batched by devices for taking-up as described above can both make as volume in package body of the invention as former state With, it is also possible to the structure after being batched again again after first extracting out is used as volume in package body of the invention.

The width of the PVA film for using in the present invention is not particularly limited, but in recent years, due to liquid crystal TV set and liquid Crystal display large screen, so in order to be efficiently used in them, the width of PVA film is preferably more than 3m, More preferably more than 4m, it is further preferred that more than 5m.On the other hand, polarizing film is being manufactured with the manufacturing machine of industry In the case of, if the width of PVA film is excessive, there is uniform uniaxial tension to become difficult situation, so the width of PVA film Preferably below 6m.

Additionally, the easness that the thickness of PVA film is processed from practicality, the easness of the manufacture of PVA film, uniaxial tension Deng aspect, in the range of preferably 5~80 μm, in the range of more preferably 10~60 μm, it is further preferred that 20 In the range of~50 μm.If the thickness of PVA film is less than 5 μm, there is appearance when for the uniaxial tension for manufacturing polarizing film The trend of easy fracture.On the other hand, if the thickness of PVA film is more than 80 μm, have for manufacturing the single shaft of polarizing film It is susceptible to stretch the trend of spot during stretching.

As long as the foamed damping part for using in the present invention just can be not have by manifesting cushioning effect with foaming construction There is especially limitation, can both be formed by the foamed plastic of separated foam, it is also possible to formed by the foamed plastic of continuous air bubbles, but Using in the case of the foamed damping part that the foamed plastic by continuous air bubbles is formed, the water absorption rate of the foamed damping part is larger Situation is more, have the moisture absorption in PVA film is produced the moisture rate spot of PVA film in package body, in PVA film The trend of cut-out is susceptible to during uniaxial tension, so foamed damping part is preferably being formed by the foamed plastic of separated foam.

It is not particularly limited in the material of foamed damping part, for example, can be used by polyethylene foamed, foaming polyphenyl second The foamed damping part that the foamed plastics such as alkene, polyurathamc, foamed polyvinyl chloride are formed, in the material easily uprised using water absorption rate In the case of the foamed damping part of matter, moisture rate spot, the single shaft in PVA film of PVA film are produced in package body due to having The trend of cut-out is susceptible to during stretching, it is preferred that using the foaming by water absorption rate to be easily suppressed to relatively low level The foamed damping part that polyethylene is formed.

The thickness of foamed damping part is preferably more than 2mm, more preferably more than 3mm, it is further preferred that 5mm with On, particularly preferably more than 7mm.It is more than 2mm by thickness, the injury of the end face of volume can be more efficiently prevented from.For The upper limit of the thickness of foamed damping part is not particularly limited, but from terms of operability, the thickness is preferably below 15mm.In addition, In the case where above-mentioned thickness is difficult to ensure that with 1 foamed damping part, it is also possible to which multi-disc foamed damping part is overlapped, as total Thickness ensure above-mentioned thickness.

25% compression stress of foamed damping part is preferably more than 50kPa, more preferably more than 70kPa, further excellent Choosing is more than 100kPa.It is more than 50kPa by 25% compression stress, can more efficiently prevents from rolling up the injury of end face.If 25% compression stress of foamed damping part is excessive, it is likely that end face injury is rolled up by foamed damping part, so 25% compression Stress is preferably below 300kPa, particularly preferably more preferably below 250kPa, below 200kPa.

25% compression stress of foamed damping part can be according to JIS K7220：2006 measure.

The water absorption rate of foamed damping part is preferably 0.05g/cm²Hereinafter, more preferably 0.03g/cm²Hereinafter, further Preferably 0.01g/cm²Below.If water absorption rate is more than 0.05g/cm², then have the foamed damping part in package body that PVA is thin Moisture absorption in film and produce the moisture rate spot of PVA film, becoming for cut-out be susceptible in the uniaxial tension of PVA film To.Lower limit for water absorption rate is not particularly limited, but because water absorption rate is more low then harder, shock-absorbing capacity has the trend of decline, So water absorption rate is, for example, 0.0002g/cm²More than.In addition, the water absorption rate in this specification refers to by JIS A9511： The water absorption that measuring method described in 2006R is obtained.

Package body of the invention forms volume packing film packaging.The kind of the packing film for using in the present invention Class is not particularly limited, it is possible to use aluminium class film, polyethylene film, polyester film, nylon film etc., but it is preferred that making Aluminium class film is used at least a kind of packing film.By package body be by volume aluminium class film packaging into, with this When the form of the package body of invention will be rolled up keeping or be conveyed, can effectively suppress moisture to the infiltration inside package body.

In package body of the invention, volume can both be packed with a kind of packing film, it is also possible to packed with two or more Film packaging, but due to the characteristic that can all possess respective packing film, it is preferred that thin with two or more packing Film is packed, it is therefore particularly preferred that respectively by the good packing film configuration of vapor insulating in inner side, mechanical property is good Packing film configure in outside.

It is that by volume aluminium class film packaging in the case of, the package body is preferably volume aluminium class is thin in package body After film packaging, again with PE-PP composite waterproofing membrane.Aluminium class film is possible to open aperture and vapor insulating declines, But polyethylene film is configured by the outside of aluminium class film, is difficult to output aperture on aluminium class film, be not susceptible to vapor The decline of insulating.

Used as above-mentioned aluminium class film, the preferably good person of vapor insulating can be enumerated for example by aluminium foil and plastics The structure or aluminium-vapour deposition film of film stacking, but due to vapor insulating more preferably, it is preferred that aluminium foil and plastics is thin The folded structure of film layer.

In such aluminium class film for being laminated aluminium foil and plastic sheeting, because with the stacking on the two sides of aluminium foil The plural layers of the construction of polyethylene film or stretched polypropene film have appropriate flexibility and are difficult to output aperture, institute Being preferred.With being laminated with the plural layers of the construction of polyethylene film on the two sides of aluminium foil, its at least one In the case of the layer of polyethylene film is configured with individual surface, can be after volume packing film be wound by heat in packaging The method of sealing etc. will be rolled up with the shape of generally tubular and sealed, and can more effectively suppress water to the infiltration inside package body, institute Being preferred.

Additionally, as the above-mentioned aluminium class film for being laminated aluminium foil and plastic sheeting, it is also preferred that having aluminium foil and Buddhist nun The plural layers of imperial film layered configuration.Nylon film is higher due to intensity, and institute is in case injury is good.The plural layers are excellent Choosing is that the structure of nylon film is laminated in the one or two sides of aluminium foil or polyethylene is laminated in the one or two sides of aluminium foil The structure of film or stretched polypropene film.

In package body of the invention, for the volume number rolled up when being packed with each packing film is not particularly limited, both may be used Rolled up with the multilayer for being level 1 volume, or level 2 volume or 3 layers of volume above.Here, more than so-called level 1 volume, level 2 volume and 3 layers of volume, point It does not refer to the major part of the outer peripheral face in volume（For example, more than the 50% of the area of the outer peripheral face of volume）In the packing film have 1 Layer, 2 layers and more than 3 layers.

The material of neonychium and construction for using in the present invention are not particularly limited, and can be used as neonychium In the past known structure.As the material of neonychium, such as polystyrene, polyethylene, polypropylene, polyester, polychlorostyrene can be enumerated Cellulose families such as ethene, paper etc., in terms of water imbibition, particularly preferably polyethylene.Additionally, on construction, it is also possible to use Non-woven fabrics, foaming body, the neonychium for being combined with the presentation cushioning effect such as their structure, in terms of buffering effect, particularly preferably Be foaming body.

The thickness of neonychium is preferably more than 3mm, more preferably more than 5mm, it is further preferred that more than 10mm, Particularly preferably more than 15mm.It is more than 3mm by thickness, the injury of the end face of volume can be more efficiently prevented from.For protecting The upper limit of the thickness of protection pad is not particularly limited, but in terms of operability, the thickness is preferably below 20mm.In addition, with 1 In the case that piece neonychium is difficult to ensure that above-mentioned thickness, it is also possible to overlap multi-disc neonychium, ensure as total thickness Above-mentioned thickness.

25% compression stress of neonychium is preferably more than 50kPa, more preferably more than 70kPa, further preferred It is more than 100kPa.It is more than 50kPa by 25% compression stress, can more efficiently prevents from rolling up the injury of end face.For protection The higher limit of 25% compression stress of pad is not particularly limited, but if the excessive then protective value of 25% compression stress declines, so 25% compression stress is, for example, below 300kPa.

25% compression stress of neonychium can be according to JIS K7220：2006 measurements.

Manufacture method for package body of the invention is not particularly limited, manufactured with what kind of manufacture method can, But due to can well and swimmingly pack volume efficiency, it is preferred that installed using the both ends at least having to rolling up sending out The operation of steeping bolster, the operation of the volume packing film packaging that will be installed with foamed damping part and from packing film The method that the operation of neonychium is installed in top.

Package body of the invention, the injury of volume when can fully prevent from taking care of as described above and when conveying, Even will roll up situation about being used in clean room can also suppress the injury of volume.Thus, the present invention is included with the invention described above Package body form will roll up keeping or conveying volume keeping or carrying method.

For maintaining requirement when rolling up keeping is not particularly limited, but as storage humidity, preferably -20~50 In the range of DEG C, in the range of more preferably -10~40 DEG C, it is further preferred that in the range of -5~30 DEG C.Additionally, As keeping humidity, more preferably preferably below 80%RH, below 50%RH.

It is not also specifically limited, the scope of such as preferably 1 day~1 year during keeping during for package body being taken care of It is interior, in the range of more preferably 2 days~6 months.

So, package body of the invention, the injury of volume when can fully prevent from taking care of and when conveying, even Situation about being used in clean room will be rolled up can also suppress the injury of volume, it is possible to reducing during by PVA film uniaxial tension Cut-out.Thus, the PVA film packed by the form of package body of the invention can be preferably as uniaxial tension when in use , used for manufacturing the PVA film of the film for optical use such as polarizing film.

In the feed side during polarizing film is manufactured using the PVA film of the form packaging by package body of the invention Method is not particularly limited, and can for example be removed packing film from package body of the invention using in the past known method Deng and after batching out, implement dyeing treatment, uniaxial tension treatment and according to need by the PVA film extracted out from the volume To implement fixing process, dried process, heat treatment etc. again to manufacture polarizing film.In the case, dyeing treatment, uniaxial tension The order of the operations such as treatment, fixing process is not particularly limited.Additionally, as needed, it is also possible to by 1 of above-mentioned treatment or two Carried out twice or more than it more than individual.

For removing method when batching out is not particularly limited from package body, but due to making in clean room by volume Effect of the invention is significantly more played in the case of, it is preferred that using cleaning it is outdoor from package body by neonychium With packing film pull down method that is rear, foamed damping part being pulled down in clean room.Here, foamed damping part is preferably and is inciting somebody to action Volume is pulled down after setting in the polarizing film manufacture devices such as stretching-machine.

In the manufacture of polarizing film above-mentioned dyeing treatment uniaxial tension treatment before and uniaxial tension treatment simultaneously, Carried out in which after uniaxial tension treatment can in stage.As the dyestuff used in being processed in dyeing, can enumerate IKI；Direct black 17,19,154；Direct brown 44,106,195,210,223；Directly red 2,23,28,31,37,39, 79、81、240、242、247；Direct blue 1,15,22,78,90,98,151,168,202,236,249,270；Directly purple 9,12, 51、98；Direct green 1,85；Direct yellow 8,12,44,86,87；Dichroic dyes such as direct orange 26,39,106,107 etc., they were both Can be used alone, or can also be used in combination of two or more.

Dyeing treatment typically makes PVA film be impregnated into the solution containing dyestuff to carry out, but be not limited to this, can be with Using the method for coating dyestuff for example on PVA film, to adding dyestuff simultaneously for advance in the masking stoste for manufacturing PVA film Method of PVA film of dyeing etc. is directly manufactured by masking.Treatment conditions and specific processing method during dyeing treatment etc. It is not particularly limited.

By which kind of of wet tensile method or xeothermic pulling method, carry out can for above-mentioned uniaxial tension treatment.And then, it is single Axle stretch processing can both be carried out in the warm water containing boric acid, it is also possible in the solution containing above-mentioned dyestuff or described later solid Carried out in fixed treatment bath, it is also possible to carried out in atmosphere using the PVA film after water suction, it is also possible to carried out with other method.It is single Draft temperature during axle stretch processing is not particularly limited, but is stretched in warm water by PVA film（Wet tensile）Situation It is lower preferably to use 30~90 DEG C, be more preferably using 40~70 DEG C, further preferably using 45~65 DEG C of model Interior temperature is enclosed, preferably using the temperature in the range of 50~180 DEG C in the case of xeothermic stretching.Additionally, single shaft draws Stretch the stretching ratio for the treatment of（It is total stretching ratio in the case where uniaxial tension is carried out with multistage）In terms of polarizing properties, Based on the length before stretching, preferably more than 4 times, more preferably more than 5 times, it is further preferred that more than 5.5 times.Draw The upper limit for stretching multiplying power does not set especially, but in order to uniformly be stretched, preferably less than 8 times.The single shaft of PVA film draws Stretch the viewpoint from productivity ratio, it is preferred to use stretch rolls etc. and the length direction of the PVA film in size long（MD）It is upper continuous Carry out.

Film after uniaxial tension（Polarizing film）Thickness in terms of polarizing properties, operability, durability etc., preferably Be 3~75 μm, particularly preferably 5~50 μm.

In the manufacture of polarizing film, in order that dyestuff becomes firm to the absorption of film, the situation for the treatment of is fixed It is more.Fixing process is generally and widely used film（Such as film after uniaxial tension treatment）It is impregnated into and with the addition of boric acid And/or the method in the fixing process bath of boron compound.Now, iodate can also be added in fixing process bath as needed to close Thing.

Can also the film that uniaxial tension treatment or uniaxial tension treatment and fixing process carried out be implemented to dry place again Reason and/or heat treatment.Dried process and/or the temperature of heat treatment are preferably 30~150 DEG C, particularly preferably 50~140 Temperature in the range of DEG C.If dried process and/or the temperature of heat treatment are too low, the dimensionally stable of the polarizing film for obtaining Property have the trend of decline, on the other hand, there is decline that the polarizing properties along with the decomposition of dyestuff etc. occur if too high Tend to.

By the two sides of the polarizing film to obtaining as described above or single-sided lamination optical clear and with mechanical strength Diaphragm, Polarizer can be produced.As the diaphragm in the case of this, it is possible to use Triafol T（TAC）Film, Cellulose acetate butyrate（CAB）Film, acrylic film, polyester film etc..Additionally, as diaphragm of fitting Bonding agent, generally uses PVA classes bonding agent or polyurethanes bonding agent etc., wherein being preferably used PVA class bonding agents.

The Polarizer for obtaining as described above can fit and make on the glass substrate after the adhesives such as covering acrylic compounds For the part of LCD device is used.When Polarizer is fitted on glass substrate, it is also possible to while phase difference of fitting Film, angle of visibility improve film, luminance brightness-improving film etc..

Embodiment

Hereinafter enumerate embodiment and specifically describe the present invention, but the present invention is not limited by following embodiment completely.

<<Embodiment 1>>

（1）By width 400cm, 75 μm of thickness, length 10000m PVA film（The saponification degree of the degree of polymerization 2400, PVA of PVA 99.9 moles of %, contain the mass % of glycerine 11, the mass % of moisture rate 4.0）Be wound to length 450cm, 6 inches of diameter it is cylindric In aluminium core, rolled up.Now, batched in the way of each end face each prominent 25cm of the core from volume.The diameter of the volume for obtaining is 115cm.The end face and outer peripheral face of the volume are visually observed, damage is can't see.

（2）On two end faces of above-mentioned volume, as foamed damping part, each 1 polyethylene foamed by thickness 5mm is installed The part that thin slice is matched with the shape of volume end face and cuts.The polyethylene foamed thin slice is the separated foam of 10 times of expansion ratio Type, water absorption rate is 0.01g/cm², 25% compression stress is 130kPa.

The volume aluminium class film packaging of above-mentioned foamed damping part will be installed.Now, make to be close between volume and aluminium class film To make air not enter as far as possible, 1 layer is packaged as.Here, as aluminium class film, the stretching for having stacked gradually 20 μm of thickness is used Polypropylene film（OPP film）, 15 μm of thickness low-density polyethylene film（Ldpe film）, 7 μm of thickness aluminium foil and thickness The structure of 15 μm of ldpe film, with OPP film side as inner side.

The PE-PP composite waterproofing membrane of 40 μm of thickness will be again used with the volume after above-mentioned aluminium class film packaging.Now, make aluminium class thin It is close to make air not enter as far as possible between film and polyethylene film, is packaged as 1 layer.Here, using being colored as the poly- of red Vinyl film, easily to differentiate when rolling up injured.

In addition, as packing film（Aluminium class film and polyethylene film）And using has the length for comparing aluminium core enough The film of width long, in packaging, the unnecessary part near both ends is pressed into the inner side of core.Also, using poly- second After alkene film packaging, the peripheral part of the protuberance protruded from the end face of volume in core fixes packign film rubber belt.

And then, from the top of packing film, both ends are installed with each 1 has the substantially thickness 10mm's of volume end surface shape Neonychium.The neonychium is that the polyethylene foamed thin slice of separated foam type is left compared to the big 10mm of shape of volume end face with most external diameter What right mode cut, 25% compression stress is 130kPa.

The outward appearance of the package body that confirmation is obtained as described above, does not see and is contemplated for exception as injury.

（3）Above-mentioned package body is placed on pallet and is conveyed to warehouse, taken care of 3 months in warehouse.Carried to pallet When putting, band is wound on the protuberance of core, it is sling with winch, be placed on pallet.Confirm after being placed on pallet The outward appearance of package body, exception is not seen on volume part.In addition, the pallet for using is only by the protuberance of core from upper lower support Construction, be pallet contact less construction of possibility for injuring the end face or outer peripheral face of volume on volume part.

Package body is sling from pallet after taking care of 3 months, is placed on again on clean room pallet.Then, will pack The neonychium in the outside of film is pulled down, and then pulls down packing film.Observe the outer peripheral face of volume and be close on the end face of volume Foamed damping part, all can't see injury.Additionally, fold as also can't see moisture absorption on PVA film surface.

（4）The above-mentioned volume for being close to be installed with foamed damping part on the end face of volume is put into together with clean room pallet In clean room, volume is installed on stretching-machine.Foamed damping part is pulled down, the end face of volume is confirmed, injury is not seen.Additionally, surveying Cleannes around measuring, are the levels of grade 1000, are and phase same level before volume is taken in clean room.

（5）The PVA film that will be extracted out from above-mentioned volume with stretching-machine（8000m）Uniaxial tension is carried out with stretching ratio 5 again, is not had Cut off.

<<Embodiment 2>>

（1）By width 440cm, 60 μm of thickness, length 12500m PVA film（The saponification degree of the degree of polymerization 2400, PVA of PVA 99.9 moles of %, contain the mass % of glycerine 11, the mass % of moisture rate 4.0）Be wound to length 480cm, 6 inches of diameter it is cylindric On iron core, rolled up.Now, batched in the way of each end face each prominent 20cm of the core from volume.The diameter of the volume for obtaining is 122cm.The end face and outer peripheral face of the volume are visually observed, damage is can't see.

（2）On two end faces of above-mentioned volume, as foamed damping part, each poly- second of 1 foaming by thickness 10mm is installed The part that alkene thin slice is matched with the shape of volume end face and cuts.The polyethylene foamed thin slice is the separated foam of 20 times of expansion ratio Type, water absorption rate is 0.03g/cm², 25% compression stress is 60kPa.

The volume aluminium class film packaging of above-mentioned foamed damping part will be installed.Now, make to be close between volume and aluminium class film To make air not enter as far as possible, 1 layer is packaged as.Here, as aluminium class film, the OPP for having stacked gradually 20 μm of thickness is used Film, the ldpe film of 15 μm of thickness, the aluminium foil of 7 μm of thickness, the ldpe film of 15 μm of thickness, the nylon film of 15 μm of thickness （Ny films）With the structure of 15 μm of ldpe film of thickness, with OPP film side as inner side.

The PE-PP composite waterproofing membrane of 40 μm of thickness will be again used with the volume after above-mentioned aluminium class film packaging.Now, make aluminium class thin It is close to make air not enter as far as possible between film and polyethylene film, is packaged as 2 layers.Here, using being colored as the poly- of red Vinyl film, easily to differentiate when rolling up injured.

In addition, as packing film（Aluminium class film and polyethylene film）And using has the length for comparing iron core enough The film of width long, in packaging, the unnecessary part near both ends is pressed into the inner side of core.Also, using poly- second After alkene film packaging, the peripheral part of the protuberance protruded from the end face of volume in core fixes packign film rubber belt.

<<Comparative example 1>>

（2）On two end faces of above-mentioned volume, foamed damping part is not installed, and by volume aluminium class film packaging.Make volume It is close to make air not enter as far as possible between aluminium class film, is packaged as 1 layer.Here, as aluminium class film, layer successively is used The ldpe film of 15 μm of OPP film, the ldpe film of 15 μm of thickness, the aluminium foil of 7 μm of thickness and the thickness of 20 μm of thickness is folded Structure, with OPP film side as inner side.

Package body is sling from pallet after taking care of 3 months, is placed on again on clean room pallet.Then, will pack The neonychium in the outside of film is pulled down, and then pulls down packing film.The outward appearance of volume is observed, in the outer peripheral face and end face of volume Less than injury.Additionally, fold as also can't see moisture absorption on PVA film surface.

（4）The above-mentioned volume that packing film will have been pulled down is put into clean room together with clean room pallet, in stretching-machine On install volume.Confirm the end face of the volume, it is seen that injured.Additionally, measurement cleannes around, are the levels of grade 1000, it is and incites somebody to action Roll up phase same level before taking in clean room.

（5）The PVA film that will be extracted out from above-mentioned volume with stretching-machine（8000m）Uniaxial tension is carried out with stretching ratio 5 again, is sent out The injury for having given birth to the end face for thinking volume for 3 times is the cut-out of reason.

<<Comparative example 2>>

The volume aluminium class film packaging of above-mentioned foamed damping part will be installed.Now, make to be close between volume and aluminium class film To make air not enter as far as possible, 1 layer is packaged as.Here, as aluminium class film, the OPP for having stacked gradually 20 μm of thickness is used The structure of the ldpe film of 15 μm of film, the ldpe film of 15 μm of thickness, the aluminium foil of 7 μm of thickness and thickness, be with OPP film side Inner side.

Outward appearance that confirmation is obtained as described above, being fitted without protecting pad package, do not see be contemplated for it is injured that The exception of sample.

（3）Above-mentioned package body is placed on pallet and is conveyed to warehouse, taken care of 3 months in warehouse.Carried to pallet When putting, band is wound on the protuberance of core, it is sling with winch, be placed on pallet.Confirm after being placed on pallet The outward appearance of package body.It, only by the protuberance of core from the construction of upper lower support, is pallet contact on volume part that the pallet for using is And the less construction of possibility for injuring the end face or outer peripheral face of volume, but the volume after being placed on pallet end face part See band and hit against such vestige, there is breakage on packing film.

Package body is sling from pallet after taking care of 3 months, is placed on again on clean room pallet.Then, will pack Film is pulled down.The foamed damping part observed the outer peripheral face of volume and be close on the end face of volume, is being close on the end face of volume Pushing vestige is seen on foamed damping part.Additionally, as seeing moisture absorption on the PVA film surface of the vicinity of volume end face Fold.

（4）The above-mentioned volume for being close to be installed with foamed damping part on the end face of volume is put into together with clean room pallet In clean room, volume is installed on stretching-machine.Foamed damping part pulled down, the end face of volume is confirmed, it is seen that injury.Additionally, measurement The cleannes of surrounding, are the levels of grade 1000, phase same level before being and taking in clean room volume.

（5）The PVA film that will be extracted out from above-mentioned volume with stretching-machine（8000m）Uniaxial tension is carried out with stretching ratio 5 again, is sent out The injury for having given birth to the end face for thinking volume for 5 times is the cut-out of reason.

<<Comparative example 3>>

（2）On two end faces of above-mentioned volume, as non-foamed bolster, each 1 is installed by the polyethylene system of thickness 5mm The part that nonwoven fabric sheet is matched with the shape of volume end face and cuts.

The volume aluminium class film packaging of above-mentioned non-foamed bolster will be installed.Now, make tight between volume and aluminium class film Patch is packaged as 1 layer to make air not enter as far as possible.Here, as aluminium class film, using having stacked gradually 20 μm of thickness The structure of the ldpe film of 15 μm of OPP film, the ldpe film of 15 μm of thickness, the aluminium foil of 7 μm of thickness and thickness, with OPP film Side is inner side.

Package body is sling from pallet after taking care of 3 months, is placed on again on clean room pallet.Then, will pack The neonychium in the outside of film is pulled down, and then pulls down packing film.Observe the outer peripheral face of volume and be close on the end face of volume Non-foamed bolster, all can't see injury.Additionally, fold as also can't see moisture absorption on PVA film surface.

（4）The above-mentioned volume for being close to be installed with non-foamed bolster on the end face of volume is put into together with clean room pallet To in clean room, volume is installed on stretching-machine.Non-foamed bolster is pulled down, the end face of volume is confirmed, injury is not seen.This Outward, the cleannes around measurement, are the levels of grade 10000, and it, than volume is taken into level low before in clean room, is individual asking to be Topic.It is contemplated that be likely to be from non-foamed bolster（Polyethylene nonwoven fabric sheet）Generate dust etc..

Result by more than is aggregated into table 1.

Description of reference numerals

The core of 1 cylindrical shape；2 PVA films；The outer peripheral face of volume 3；4a packing films；4b packing films；The end of 5 package bodies Portion；The end face of volume 6；7 foamed damping parts；8 rubber belts；9 neonychiums；Volume 11；The core of 12 cylindrical shapes；13 PVA films； The end face of volume 14；The outer peripheral face of volume 15；The end of 16 cores.

Claims

1. a kind of package body, is the package body for packing volume packing film, the volume be winding polyvinyl alcohol film and Into, the package body is characterised by,

With following constructions：At the both ends of package body, be configured with successively from the inside of package body towards outside foamed damping part, Packing film and neonychium.

2. package body as claimed in claim 1, it is characterised in that

Foamed damping part is formed by the foamed plastic of separated foam.

3. package body as claimed in claim 1 or 2, it is characterised in that

Foamed damping part is formed by polyethylene foamed.

4. the package body as any one of claims 1 to 3, it is characterised in that

The thickness of foamed damping part is more than 2mm.

5. the package body as any one of Claims 1 to 4, it is characterised in that

The water absorption rate of foamed damping part is 0.05g/cm²Below.

6. the package body as any one of Claims 1 to 5, it is characterised in that

Volume aluminium class film packaging is formed.

7. package body as claimed in claim 6, it is characterised in that

After by volume with aluminium class film packaging, then formed with PE-PP composite waterproofing membrane.

8. package body as claimed in claims 6 or 7, it is characterised in that

Aluminium class film is plural layers, and the plural layers have following constructions：It is thin polyethylene to be laminated with the two sides of aluminium foil Film or stretched polypropene film.

9. the package body as any one of claim 6~8, it is characterised in that

Aluminium class film is plural layers, and the plural layers have following constructions：It is laminated aluminium foil and nylon film.

10. the package body as any one of claim 1~9, it is characterised in that

25% compression stress of neonychium is more than 50kPa.

A kind of 11. manufacture methods, are the manufacture methods of the package body any one of claim 1~10, it is characterised in that

Have：The operation of foamed damping part is installed on the both ends of volume, the volume packing film of foamed damping part will be installed The operation of the operation of packaging and the top installation neonychium from packing film.

A kind of keeping of 12. volumes or carrying method, it is characterised in that

With the form keeping of the package body any one of claim 1~10 or handling rolls.