CN103862822B - Manufacturing method of composite mesh - Google Patents
Manufacturing method of composite mesh Download PDFInfo
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- CN103862822B CN103862822B CN201310641956.5A CN201310641956A CN103862822B CN 103862822 B CN103862822 B CN 103862822B CN 201310641956 A CN201310641956 A CN 201310641956A CN 103862822 B CN103862822 B CN 103862822B
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- mesh sheet
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 title abstract description 3
- 239000011347 resin Substances 0.000 claims abstract description 61
- 229920005989 resin Polymers 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims description 116
- 241000681094 Zingel asper Species 0.000 claims description 70
- 150000001875 compounds Chemical class 0.000 claims description 47
- 239000004744 fabric Substances 0.000 claims description 19
- 238000001879 gelation Methods 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 238000009954 braiding Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 23
- 238000007790 scraping Methods 0.000 description 9
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- 238000003475 lamination Methods 0.000 description 6
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- 108010010803 Gelatin Proteins 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 229920000159 gelatin Polymers 0.000 description 4
- 239000008273 gelatin Substances 0.000 description 4
- 235000019322 gelatine Nutrition 0.000 description 4
- 235000011852 gelatine desserts Nutrition 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 238000002844 melting Methods 0.000 description 3
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- 230000003044 adaptive Effects 0.000 description 2
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- 238000009940 knitting Methods 0.000 description 2
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- 229920000070 poly-3-hydroxybutyrate Polymers 0.000 description 2
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- 235000010409 propane-1,2-diol alginate Nutrition 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000003019 stabilising Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WHBMMWSBFZVSSR-UHFFFAOYSA-M 3-hydroxybutyrate Chemical compound CC(O)CC([O-])=O WHBMMWSBFZVSSR-UHFFFAOYSA-M 0.000 description 1
- XJKJWTWGDGIQRH-BFIDDRIFSA-N Alginic acid Chemical compound O1[C@@H](C(O)=O)[C@@H](OC)[C@H](O)[C@H](O)[C@@H]1O[C@@H]1[C@@H](C(O)=O)O[C@@H](C)[C@@H](O)[C@H]1O XJKJWTWGDGIQRH-BFIDDRIFSA-N 0.000 description 1
- 230000037250 Clearance Effects 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- JHIVVAPYMSGYDF-UHFFFAOYSA-N Cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 1
- 229940014259 Gelatin Drugs 0.000 description 1
- 229920000520 Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- HFQOLOYVZLYECE-CGXUPHRESA-N [(2R)-4-oxo-4-[(3R)-1-oxo-1-[(2R)-4-oxo-4-[(3R)-1-oxopentan-3-yl]oxybutan-2-yl]oxypentan-3-yl]oxybutan-2-yl] (3R)-3-[(3R)-3-hydroxybutanoyl]oxypentanoate Chemical compound O=CC[C@@H](CC)OC(=O)C[C@@H](C)OC(=O)C[C@@H](CC)OC(=O)C[C@@H](C)OC(=O)C[C@@H](CC)OC(=O)C[C@@H](C)O HFQOLOYVZLYECE-CGXUPHRESA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
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- 235000010443 alginic acid Nutrition 0.000 description 1
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- 229920001610 polycaprolactone Polymers 0.000 description 1
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- MAKUBRYLFHZREJ-JWBQXVCJSA-M sodium;(2S,3S,4R,5R,6R)-3-[(2S,3R,5S,6R)-3-acetamido-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5,6-trihydroxyoxane-2-carboxylate Chemical compound [Na+].CC(=O)N[C@@H]1C[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](C([O-])=O)O[C@@H](O)[C@H](O)[C@H]1O MAKUBRYLFHZREJ-JWBQXVCJSA-M 0.000 description 1
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Abstract
The invention provides a manufacturing method of a composite mesh, and the method is suitable for a small amount of production of more types, easy to operate and leaves no air bubbles in a sheet. The method comprises the steps of preparing a groove 2, a resin-containing solution 4, a mesh 8 and a blade plate 10; adding the resin-containing solution 4 into the groove 2; expanding the mesh 8 in a direction of a surface 5 of the resin-containing solution 4 and placing the mesh on the surface 5; enabling contact of the front end portion of the blade plate 10 with the mesh 8 while enabling the blade plate 10 moves relative to the groove 2, and sinking the mesh 8 into the resin-containing solution 4; and drying the resin-containing solution 4 with the sunken mesh 8.
Description
Technical field
The present invention relates to the manufacture method of compound mesh sheet, the compound mesh sheet is by mesh sheet is compound in tree to bury state
On fat piece.
Background technology
Since in the past, as the reinforcing countermeasure of resin sheet, it is known to the method being compound in mesh sheet on resin sheet.These are multiple
Close mesh sheet and resin bed are carried out lamination to implement typically by resin lamination process or melting extrusion etc..
As shown in following patent documentations 1, the processing of resin lamination is generally by the following method carrying out:Make as resin sand
It is, between sheet substrate and eyelet fabric (equivalent to above-mentioned mesh sheet), they to be crimped so as to cambium layer that laminated resin layer is situated between
Product piece;Or after eyelet fabric is coincided with sheet substrate, laminated resin is coated to from above the eyelet fabric, by the mesh of eye cloth
Laminated resin and sheet substrate are carried out bonding so as to form laminated sheet by clearance portion.
In the laminated sheet for so eyelet fabric being combined and being strengthened, eyelet fabric is integrated with laminated resin layer;
But in the former method, due to thicker portions such as the cross parts in the tissue of the flat yarn (flat yarn) for constituting eyelet fabric
Point projection etc., be easily caused produce in laminate it is concavo-convex, deteriorate surface smoothness.In addition, in the method for the latter, due to net
Eye cloth is located at the centre of laminated sheet, can produce problem at following aspects sometimes:Sheet substrate is non-with the bearing surface of flat yarn
The state of bonding, can be such that its bond strength deteriorates so as to be easily peeled off as laminate.
On the other hand, in order to strengthen to the resin film being made up of the resin for being unsuitable for melting extrusion, also it is combined sometimes
Mesh sheet.In this case, it is considered to using making resin film, afterwards method as lamination mesh sheet first, but in the method, difficult
So that mesh sheet is compound on resin sheet with burying state, operation also increases.
In addition, as other methods, it is also considered that would prove unsuitable for melting extrusion resin be dissolved in solvent in and formed it is molten
Liquid, by the solution from slit die extrusion after lamination in mesh sheet.But, in this case, the unit scale for processing is larger,
And also there is a problem of that solution occurs gelation etc. when retaining, therefore be not suitable for multi items and produce on a small quantity.Further,
Cannot prevent the air brought into by mesh sheet from remaining in the product in the form of bubble.
As the solution for the problems referred to above, it is contemplated that following method:In mesh sheet flow down the solution of resin, it
After make solvent seasoning, compound mesh sheet resin sheet on is compound in bury state so as to obtain mesh sheet.But, in this side
In method, when in mesh sheet flowing down the solution of resin, mesh sheet floats, so that pushing down mesh sheet in advance, is that this can produce needs
Special fixture etc. and cause operation to become numerous and diverse such problem.Additionally, there are
And remain such problem in the product.Furthermore, it is impossible to be substantially prevented from air that mesh sheet is mingled with the form of bubble
Residual is in the product.
Prior art literature
Patent documentation
Patent documentation 1:Japanese Unexamined Patent Publication 08-090695 publication
The content of the invention
Invent problem to be solved
It is an object of the invention to provide one kind be suitable to multi items produce on a small quantity, it is simple to operate and hardly have in sheet material
The manufacture method of the compound mesh sheet of gas bubbles left.
The means to solve the problem
It is characterized by as the manufacture method of the compound mesh sheet of the present invention, which comprises the following steps:
Prepare groove, resin and contain liquid, mesh sheet and takeoff apron;
To in above-mentioned groove above-mentioned resin is added to contain liquid;
Above-mentioned mesh sheet on the liquid level direction that above-mentioned resin contains liquid is launched to be placed on the liquid level;
The leading section of above-mentioned takeoff apron is made to contact with above-mentioned mesh sheet while making the takeoff apron and above-mentioned groove relative movement,
Make the mesh sheet sink to above-mentioned resin to contain in liquid;
Above-mentioned resin to having sunk to above-mentioned mesh sheet contains liquid and is dried.
Above-mentioned resin contains the solution or dispersion liquid that liquid can be water-soluble resin.
It can be the liquid containing gelation macromolecular compound that above-mentioned resin contains liquid.
After above-mentioned resin can be made to contain pension gelation, which is dried.
Above-mentioned mesh sheet can be the fabric with thermoplastic fibre as main component, and which can be determined after braiding
The mesh sheet of long thermal finalization.
Above-mentioned mesh sheet can not pressurizeed to the inner side of the periphery according to heating pressurization is carried out to periphery
Mode has carried out the mesh sheet of fixed length thermal finalization.
Invention effect
According to the present invention it is possible to provide one kind be suitable to multi items produce on a small quantity, it is simple to operate and in sheet material hardly
There is the manufacture method of the compound mesh sheet of gas bubbles left.
Description of the drawings
Fig. 1 is the explanatory diagram for illustrating to the operation in the manufacture method of compound mesh sheet of the invention successively.
Fig. 2 is the explanatory diagram that illustrates of operation of the takeoff apron in the manufacture method to the compound mesh sheet of the present invention.
Fig. 3 is the top view of the structure for illustrating the mesh sheet used in the manufacture method of the compound mesh sheet of the present invention.
Fig. 4 is the preferred shape of the leading section of the takeoff apron for illustrating that the manufacture method in the compound mesh sheet of the present invention is used
The sectional view of shape.
Fig. 5 is that the other embodiment of the operation of the takeoff apron in the manufacture method for the compound mesh sheet of the present invention is said
Bright figure.
Fig. 6 is to illustrate the groove involved by the other embodiment used in the manufacture method of the compound mesh sheet of the present invention
Axonometric chart.
Fig. 7 is to illustrate the schematic plan view in the preferred scraper direction related to the mesh form of mesh sheet.
Specific embodiment
For the present invention easy to understand, to this specification in several terms be defined as below.
Mesh sheet:Refer to the cloth by will there is aeration obtained from strand or fiber process slabbing.
Resin contains liquid:Refer to resin be dissolved in solvent obtained from solution or resin dispersion obtain in liquid
Dispersion liquid.
Compound mesh sheet:Refer to mesh sheet the sheet material on resin sheet is compound in bury state.
Scrape and smear (ス キ ー ジ):According to the mode for pushing liquid open in the state of referring in the leading section press-in liquid by plate
The plate is made substantially to move up in liquid level side.
The manufacture method of the compound mesh sheet of the present invention is illustrated using accompanying drawing.First, as carrying out shown in Fig. 1
Operation preparation in advance, prepare groove 2, resin contain liquid 4, mesh sheet 8 and takeoff apron 10.
Then, as shown in Fig. 1 (a), in groove 2 resin is added to contain liquid 4 (hereinafter referred to as liquid 4) standby.With regard to groove 2
The middle method for adding liquid 4 is not particularly limited.It is, for example possible to use the feed unit such as pump (diagram is omitted), can also adopt
The method of artificial supply.Length of the groove 2 with the size corresponding to the compound mesh sheet for wanting to obtain, width.Under normal circumstances, it is long
Degree, width are 10cm~50cm or so, but are not limited to the scope.As long as the depth of groove 2 is can to load ormal weight
It is more than the depth of liquid 4.Preferably 2cm~5cm.Groove 2 is usually used flat groove, but bottom surface can also have it is concavo-convex or
For the face of 3-dimensional bending.
It is provided with a bottom side portion 15 of the inner bottom surface 6 of groove 2 and consolidates for the edge 11 (Fig. 1 (b)) for fixing mesh sheet 8
Order unit 16.
Then, as shown in Fig. 1 (b), by the mesh sheet 8 in deployed condition on the direction of liquid level 5 according to lamination in being added in
Mode on the liquid level 5 of the liquid 4 in groove 2 is placed.Mesh sheet 8 is non-bound state after being placed on liquid level 5.Now, though
So can be different but most of relative to wettability or mesh sheet 8 and the relative density difference of liquid 4 of liquid 4 because of mesh sheet 8
In the case of, the part that can be in mesh sheet 8 is deposited in the state in liquid 4.It should be noted that mesh sheet 8 is placed on liquid level 5
The meaning of operation is also included within the situation that at least a portion of mesh sheet 8 when carrying out the operation is entered in the liquid of liquid 4.Enter one
Step, also including making mesh sheet 8 fall the situation on liquid level 5.
Afterwards, as shown in Fig. 1 (c), made the takeoff apron edge 12 positioned at the leading section of takeoff apron 10 from the upper direction of liquid 4
An edge 11 of mesh sheet 8 and enter in liquid 4.If 8 rectangle of mesh sheet, then make takeoff apron edge 12 according to its long side direction with
The mode that the long side direction of one edge 11 of mesh sheet 8 is almost parallel is entered in liquid 4.Now, preferably by fixed cell 16
Clamp edge 11 for mesh sheet 8 etc. to fix mesh sheet 8, but the scraper in Fig. 1 (d) with 16 incidental fixture 18 of fixed cell
The movement of plate 10 for low speed in the case of etc. mesh sheet 8 substantially will not because scrape smear operation and in the case of transverse shifting, can save
Omit fixed cell 16 and fixture 18.In this case, an edge 11 of mesh sheet 8 is pressed into into liquid merely with the leading section of takeoff apron 10
In body 4.It should be noted that for the shape of mesh sheet 8 is not particularly limited, for example, however it is not limited to itself and with one
The relative another side in side is linear, or the wire of the wire, curve-like or waveform of bending.
The material of takeoff apron 10 can be resin (engineering plastics, rubber etc.), ceramics, metal, furthermore it is possible to possess can
The heater heated to takeoff apron 10, can control the temperature of takeoff apron 10 by controller etc..In addition, takeoff apron 10
Shape can be section the roughly the same bar-shaped, or knife-like of aspect ratio plate-shaped takeoff apron.
Then, as shown in Fig. 1 (d), the leading section and mesh sheet 8 for making takeoff apron 10 contacts and is pressed in liquid 4,
Contact site in the state of so according to mesh sheet 8 with takeoff apron 10 makes to scrape towards the mode that another edge 13 of mesh sheet 8 is moved
Knife plate 10 is moved towards another edge 13 on the direction of liquid level 5.Another edge 13 is the side of the mesh sheet 8 relative with an edge 11
Portion.But, considering from the relation with the shape of mesh sheet 8, the moving direction (scrape and smear direction) of takeoff apron 10 is not particularly limited.
For example, as in the present embodiment, be rectangle mesh sheet 8 in the case of, takeoff apron 10 can be made to move along its long side direction,
Takeoff apron 10 can also be made to move along short side direction.Or can also constitute as follows:Make takeoff apron 10 towards long side direction with
The direction movement that short side direction intersects.It should be noted that can be Sharp angles in the angle of the blade face of takeoff apron 10 and liquid level 5
Carry out scraping in the state of so smearing.In addition, in the moving process, takeoff apron edge 12 can be made basic with the distance of liquid level 5
Keep constant, it is also possible to carry out following action:Mesh sheet 8 is pressed into deeper using takeoff apron edge 12, or is relatively shallowly pressed into.
By the movement of the takeoff apron 10 so that mesh sheet 8 is press-fit in liquid 4, such as shown in Fig. 1 (e), net is formed
Piece 8 is buried in the state in liquid 4.In addition, by the movement of takeoff apron 10, mesh sheet 8 is in the shape for not having substantially gas bubbles left
State is lowered in liquid 4, it is achieved that gas remaining in the gap between the fiber of the mesh sheet 8 being buried in liquid 4
The shape that bubble or the bubble that is attached on the surface of mesh sheet 8 of remaining etc. there's almost no between bubble and mesh sheet 8 and liquid 4
Mesh sheet 8 be impregnated in into the state in liquid 4 under state.It should be noted that to each step completed shown in Fig. 1 (a)~Fig. 1 (e)
Till, preferably there is no the mode of gelation or solidification to carry out temperature and humidity management according to the liquid 4 at least groove 2.For example, exist
In liquid 4 containing the relatively low resin of gelation initial temperature in the case of etc., in order that liquid 4 maintain liquid condition, can be right
Groove 2 is heated.
Then, open fixture 18, in the liquid 4 placed in mesh sheet 8 is buried in groove 2 in the state of, be pointed in groove 2
Liquid 4 be thermally dried it is hereby achieved that compound mesh sheet.Drying can be the drying, or decompression of heat tracing
It is dried.For example, as shown in Fig. 1 (f), can be thermally dried with being put in heating drier 14 together with groove 2, thus
To compound mesh sheet.
Thus, the compound mesh sheet of leaving no air bubbles inside remaining can be obtained.In addition, the method is batch-type, the life of its sheet material
Speed is produced less than the continuation mode using slit die, but compared with continuation mode, production equipment is small, manufacturing condition changes
The switching of easy and kind is also easy, in addition, the operation of manufacture is also simple.Further, often walk device simple to operate, to be used
Structure is also and uncomplicated, therefore, it is possible to easily will often walk operation automation.For example, for takeoff apron 10 to the entrance in liquid 4,
The action of the retrogressing from liquid 4 and from an edge 11 to the movement of another edge 13 for, can be by being applied in combination 2
Linear actuatorss above or X-Y axles drive actuator to carry out sequential control, thus carry out aforesaid operations.
In the present invention, although can because the material of mesh sheet 8, fiber footpath, sheets of sizes and it is different, but sometimes by net
Before piece 8 is positioned over liquid level 5, enter in being immersed in or the treatment fluid with composition proximate to it identical with liquid 4 in advance
Row is processed, and in advance makes mesh sheet 8 with 4 identical treatment fluid of liquid or the treatment fluid with composition proximate to it so as to utilize
Fiber surface moistening, thus further reduces the generation of above-mentioned bubble.
For by the fixed cell 16 that an edge 11 of mesh sheet 8 is fixed be it is a kind of can be in the way of loading and unloading by mesh sheet 8
The fixed cell that one edge 11 is fixed, which proceeds as follows:An edge 11 is made to be jammed together with fixture 18 or by acupuncture
The operation such as wear to be fixed.As described above, the movement of takeoff apron 10 be low speed or takeoff apron 10 with the frictional force of mesh sheet 8 compared with
It is little under such circumstances, it is also possible to omit fixed cell 16.
It should be noted that in the manufacture method of the compound mesh sheet of the present invention, in the rank of the mobile end of takeoff apron 10
Section, by takeoff apron 10 from, during pull-up, another edge 13 for producing mesh sheet 8 sometimes is pulled up together with takeoff apron 10 in liquid 4
Such failure.Method as this failure is processed, for example, the operation for carrying out takeoff apron 10 as shown in Figure 2 is effective.
That is, as shown in Fig. 2 (a), in the stage of the mobile end of takeoff apron 10, according to the angle [alpha] of takeoff apron 10 and liquid level 5 be 90 degree with
Under mode, takeoff apron 10 is rotated according to the anti-clockwise direction in accompanying drawing visual angle of arrow A, then, shown in such as Fig. 2 (b),
It is from rotation status by the top of the pull-up to liquid level 5 in the direction of arrow B of takeoff apron 10, final as shown in Fig. 2 (c), be formed as scraping
The state that knife plate 10 departs from from liquid 4.In addition, during the pull-up, can according to the 5 nearly vertically pull-up of arrow B relative liquid surfaces,
Can also be inclined direction pull-up along relative liquid surface 5.It should be noted that the direction of rotation of the takeoff apron 10 can also be attached
Angle of field is clockwise.
As long as the resin that the resin for being used in the present invention is soluble in solvent is just not particularly limited.In view of solvent
Treatability in terms of, preferably water miscible resin.
The viscosity of liquid 4 is 1cP~100cP, and this allows for not making remaining in the resin of compound mesh sheet to have a bubble and excellent
Choosing.More preferably 1cP~30cP.
The translational speed of 10 opposed slot 2 of takeoff apron, that is, scraping and speed being smeared for 10mm/sec~100mm/sec, this allows for
It is preferred in terms of the stabilisation of operation.
In Fig. 1 (a), add depth h of liquid 4 into groove 2 depend on resulting compound mesh sheet as target
Mass area ratio (mesh pay), preferably 2mm~10mm.In terms of stabilisation in view of operation, more preferably 2.5mm~
5mm。
The concentration of the resin in the liquid 4 added in groove 2 is also as target according to resulting compound mesh sheet
The setting viscosity of mass area ratio and liquid 4 being adjusted, with 3 weight %~10 weight % as standard.
In Fig. 1 (c), the front end of the takeoff apron 10 from the takeoff apron edge 12 of the takeoff apron 10 entered in liquid 4
The width d in the gap between distance, i.e. takeoff apron 10 and inner bottom surface 6 to inner bottom surface 6 is preferably 1mm~2mm.
As in mesh sheet used in the present invention, it is possible to use netted fabric, netted weaven goods, perforated non-woven fabric
Deng.As long as the material of mesh sheet can Fibrotic resin be just not particularly limited.Can also be natural fiber.Need explanation
It is that, in the case of fixed length thermal finalization described later is carried out to mesh sheet, the material of mesh sheet is preferably thermoplastic fibre.Thermoplastic fibre is
Refer to the fiber being made up of the material softened by applying heat, more preferably by the material constituted with bioabsorbable material
Material.In addition, as the species on fabric (Knitting ground), never cause vision deviation and consider Stability Analysis of Structures this respect, preferred warp knit
Cloth.
The mesh of mesh sheet is preferably 2mm~10mm.The apparent thickness of mesh sheet is preferably 50 μm~100 μm.
Compound mesh sheet obtained by the manufacture method of compound mesh sheet of the invention can be adapted to use by selecting material
Make the medical organism adaptive sheet material as bioabsorbable sheet material.In this case, it is as the resin of liquid 4, excellent
Elect natural polymer as.As such natural polymer, collagen protein, gelatin, hyaluronic acid, alginic acid, shell can be gone out with example
Polysaccharide, shitosan etc..Wherein, gelatin is preferably used, during which can be easily soluble in water and excellent in workability.
The compound mesh sheet of the present invention is used as into the therapeutic medical organism adaptive sheet material as bioabsorbable sheet material
In the case of, as the material of the fiber for constituting mesh sheet 8, polylactide (PLA), PGA (PGA), second can be enumerated and handed over
Ester-lactide copolymer, lactide-ε caprolactone copolymers, poly- dioxa cyclohexanone, glycolide-trimethylene carbonate copolymerization
Thing, poly- 3-hydroxybutyrate (PHB), 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers (PHBV), poly butylene succinate
(PBS), poly epsilon caprolactone lactone (PLC), acetate fiber prime system (PH) polymer, Polyethylene Glycol succinate (PESu), polyesteramide
Deng.
The fineness for constituting the fiber of mesh sheet 8 is preferably 1tex~20tex.Constitute the rugosity (line density) of the strand of mesh sheet 8
Preferably 1/20g/m~1/100g/m.
In the case where the fabrics such as the warp knitting cloth that will be made up of thermoplastic fibre are used as mesh sheet 8, preferred fabric is to carry out
Fabric after fixed length thermal finalization.By carrying out fixed length thermal finalization, form can be obtained with unrippled plane by fixed base
Cloth, can also obtain unrippled flat sheet material as compound mesh sheet.
Fixed length thermal finalization refer to by the constraint of the edge of sheet material be distance between relative edge be to piece after constant state
Material is heated so as to carry out thermal finalization.Between bound edge can be with (free state) and thermal finalization before constraint apart from LL
It is identical apart from Lf between front edge.Can also be LL>Lf.Can also be LL<Lf.
The temperature of fixed length thermal finalization is preferably the glass transition temperature of the material of mesh sheet 8 less than fusing point.
Processing method as fixed length thermal finalization, or mesh sheet is heated under plane pressurized state, but it is right
For the mesh sheet thus by plane pressurization by thermal finalization, the cross part of strand can be subject to crushing, and the bubble of this part is difficult to
Dissipation.In contrast, the edge of mesh sheet is only fettered come in the case of carrying out thermal finalization process, even if the cross part of strand is fixed in heat
Will not also be subject to crushing after type process, the bending (ル ー プ of strand can be maintained in the cross part of strand), therefore exist between strand
Gap, carry out scraping smear when bubble can dissipate from the gap.Therefore, it can reduction and remain in composite web bubbles within the pieces.
In view of the foregoing, if using plane pressuring machine, carry out in the edge (periphery) only to mesh sheet 8a as shown in Figure 3
Hot pressing is carried out in the state of pressurization, then can be according to the mode that periphery 20 is pressurized, the inner side of periphery 20 22 is not pressurized
To carry out thermal finalization process.Further, for such mesh sheet 8a, inner side the last 22 of the periphery 20 compared to periphery 20
Firmly so as to morphological stability is good.In addition, by making, thus periphery is strong to be fixed, therefore the network structure of inner side 22
The cross part of (cataloguing Agencies makes) is difficult activity, so also having the effect of the morphological stability that can also increase inner side 22.Therefore, net
The process of piece 8a is easy, from from the aspect of the manufacture method of compound mesh sheet for implementing the present invention, it may be preferred to use.
In addition, without departing from the scope of the subject in the invention, can be based on the knowledge of those skilled in the art according to this
The mode that invention applies various improvement, modification, change is implementing the present invention.For example, in Fig. 1 (a), liquid 4 is added in groove 2
When, can be with allotment resin and its solvent in groove 2.
In addition, in the above-described embodiment, with regard to takeoff apron 10 to the entrance (Fig. 1 (c)) in liquid 4 or from liquid 4
In retrogressing (Fig. 2 (c)) movement (Fig. 1 (d)) from from an edge 11 to another edge 13 of action and takeoff apron 10 operation,
It is that according to making the mode of the movement of takeoff apron 10 constituting, but these movements of takeoff apron 10 can also be relative to groove 2
Relative movement.That is, for takeoff apron 10 is to the entrance in liquid 4 or the action of the retrogressing from liquid 4, it is also possible to according to making groove
The mode of 2 raising and lowerings is constituting;For operation of the takeoff apron 10 from an edge 11 to the movement of another edge 13, it is also possible to
Constitute according to the mode for making groove 2 move to horizontal direction.
Further, as shown in figure 4, the cross sectional shape of the leading section of takeoff apron 10 is preferably with falling that taper chamfer machining is obtained
Angular shape (Fig. 4 (a)) or R shapes (Fig. 4 (b)).It is hereby achieved that following advantage:Reduce with the contact area of mesh sheet 8, will not
Depend on the angle adjustment of 10 relative liquid surface 5 of takeoff apron as shown in Figure 2 to operate, can avoid takeoff apron 10 from liquid 4
Produced failure during pull-up.With regard to this respect, if the cross sectional shape of the leading section of takeoff apron 10 is set as R shapes, should
A state of contact is kept close to during the minister of the contact with mesh sheet 8 in leading section such that it is able to contact area is limited in most
Little limit, is more highly preferred to from this viewpoint.
In addition, in the above-described embodiment, constitute as shown in Fig. 1 (c), according to an edge 11 of mesh sheet 8 is pressed
The mode entered into liquid 4 makes takeoff apron 10 enter liquid 4, but for the takeoff apron 10 when making takeoff apron 10 enter liquid 4 with
The relative position relation of mesh sheet 8 is not particularly limited.
For example, as shown in figure 5, takeoff apron 10 can be offset between position (Fig. 5 of mesh sheet 8 to the in-position in liquid 4
(a)), or position (Fig. 5 (b)) as the central part of press-in mesh sheet 8.Or, it is also possible to enter takeoff apron 10 upper
Optional position beyond stating.Now, according to fashionable takeoff apron 10 and the relative position relation of mesh sheet 8 is entered in liquid 4, may be used also
Think composition as described below:Make mesh sheet 8 with the contact site of takeoff apron 10 according to for example from 11 lateral another edge of an edge
The mode that 13 sides or its rightabout reciprocatingly move carries out scraping smears operation.
Further, for for mesh sheet 8 is sunk to scraping in liquid 4 smear operation for, it is also possible to using more than 2 scrape
Knife plate 10 is carrying out.Can also be using following composition:For example, as shown in Fig. 5 (b), according to the central part press-in liquid by mesh sheet 8
After mode in 4 makes the takeoff apron 10 of more than 2 enter in liquid 4, according to mesh sheet 8 and each takeoff apron 10 contact site to
The mode of the direction movement being located remotely from each other makes each takeoff apron 10 and 2 relative movement of groove.Thus, in the present invention, as long as can be
Almost mesh sheet 8 is sunk in liquid 4 in the state of bubble-free attachment, for scrape smear operation original position, scrape the number of times smeared with
And the quantity of the takeoff apron 10 used in smearing is scraped with regard to unrestricted.
In addition, for for adding the groove 2 of liquid 4, it is not necessarily required to be integrated the groove of type, or can be by
The groove of the component parts appropriate separation of more than 2.Groove as groove 2 ' as shown in Figure 6 can be for example used, which possesses base plate
Part 2a and placed frame parts 2b on the interarea of base plate part 2a.Can arrange on the interarea of base plate part 2a
There is the jut (not shown) for for example being positioned to frame parts 2b.In addition, frame parts 2b be configured to can be by structure
Bar-like member into its each edge is further separated;Or can also be the part for integrally linking.Further, it is dropped in groove
Liquid 4 in 2 ' be containing the liquid of gelation macromolecular compound as gelatin etc. in the case of, in order to prevent liquid
There is gelation to the input of groove 2 ' in body 4, can be by heating units such as heaters come the temperature of adjustment tank 2 ' in the near future.
It should be noted that liquid 4 is the feelings containing the liquid of gelation macromolecular compound as gelatin etc.
Under condition, above-mentioned each step (Fig. 1 (a)~(e)) is carried out using groove 2 ', after making to have sunk to 4 gelation of liquid of mesh sheet 8, can
To be dried to which in the state of separating with base plate part 2a in frame parts 2b.Method as 4 gelation of liquid is made, can
To enumerate following method:For example liquid 4 cooled down (include the natural cooling by placement etc.), be gelled to the addition of liquid 4
Agent or to liquid 4 apply vibration etc. method.As the method for the gelation by cooling, can enumerate
The chillers such as note (Peltier) cooler are come the method that carries out mandatory cooling.Specifically, base plate part 2a can be carried
Pressure cooling is carried out from below after being placed on the plate for be provided with chiller, it is also possible to directly pacified with base plate part 2a
Dress chiller.Or can also by base plate part 2a automatic or manuals be transferred to as refrigerator cool down space it is cold to carry out
But.These methods can be according to the species of the gelation macromolecular compound contained by liquid 4 and its gelling characteristics, liquid
Content of gelation macromolecular compound in 4 etc. is suitably selecting.
If the groove 2 ' used in the manufacture method of the compound mesh sheet of the present invention, can be separated into base plate part 2a and framework
Part 2b is so as to simultaneously can using them in different operations.Thus, it is possible to greatly reduce frame parts 2b relative to base plate
The number of part 2a, while the production efficiency of compound mesh sheet further can be improved.In addition, also having the groove after easily carrying out use
Advantage as 2 ' washing and cleaning operation.
It should be noted that in the manufacture method of the compound mesh sheet of the present invention, for the mesh form of mesh sheet 8 is smeared with scraping
The relation in direction (that is, making the direction of takeoff apron 10 and groove 2 relative movement in the horizontal direction) be not particularly limited, in order to enter one
Step reduces attachment of the bubble near mesh (intrusion of the caused bubble of scraper institute), is preferably scraped in direction shown below
Smear.That is, as shown in fig. 7, mesh sheet 8 mesh form for square when (Fig. 7 (a)) or for rhombus when (Fig. 7 (b)), preferably exist
Carry out scraping smearing with the direction (such as direction diagonally) that each side of its mesh form intersects is specified.
But, it is non-parallel that the direction of scraper need not be all sides of the mesh form of relative regulation mesh sheet 8.Example
Such as, mesh sheet as shown in Figure 38 like that, on the side that mesh form is polygon-shaped etc the regulation mesh form such as hexagon
When quantity is more, even if there will not be special problem scraper is carried out for parallel direction with respect to certain.In addition, in mesh sheet
In the case that 8 mesh form is for square or rhombus, it is also possible to carrying out scraping smearing for parallel direction with respect to certain.
Industrial applicibility
The manufacture method of the compound mesh sheet of the present invention can be suitable as the medical life as raw body absorbent sheet
The manufacture method of the sheet material of body fitness.Particularly in surgical operation, as the wound portion organized in raw body with play hemostasis,
Air-prevention leakage, tissue regeneration ability, for the purpose of preventing adhesiving effect and using the manufacture method of compound mesh sheet be useful.
The explanation of symbol
2:Groove
4:Resin contains liquid
6:Inner bottom surface
8、8a:Mesh sheet
10:Takeoff apron
14:Heating drier
Claims (6)
1. a kind of manufacture method of compound mesh sheet, which comprises the following steps:
Prepare groove, resin and contain liquid, mesh sheet and takeoff apron;
To in the groove resin is added to contain liquid;
The mesh sheet on the liquid level direction that the resin contains liquid is launched to be placed on the liquid level;
The leading section of the takeoff apron is contacted with the mesh sheet while making the takeoff apron and the groove relative movement, make this
Mesh sheet sinks to the resin and contains in liquid;
The resin to having sunk to the mesh sheet contains liquid and is dried,
The resin contain liquid refer to resin be dissolved in solvent obtained from solution or resin dispersion obtained from the liquid
Dispersion liquid.
2. the manufacture method of mesh sheet is combined as claimed in claim 1, wherein, the resin contains liquid for the molten of water-soluble resin
Liquid or dispersion liquid.
3. the manufacture method of mesh sheet is combined as claimed in claim 1 or 2, wherein, it is containing gelation that the resin contains liquid
The liquid of property macromolecular compound.
4. the manufacture method of mesh sheet is combined as claimed in claim 3, wherein, it is after making the resin contain pension gelation, right
Which is dried.
5. the manufacture method of mesh sheet as claimed in claim 4 compound, wherein, the mesh sheet be with thermoplastic fibre for mainly into
The fabric for dividing, which is the mesh sheet that fixed length thermal finalization has been carried out after braiding.
6. the manufacture method of mesh sheet as claimed in claim 5 compound, wherein, the mesh sheet is according to heating to periphery
The mode pressurizeed and do not pressurizeed to the inner side of the periphery has carried out the mesh sheet of fixed length thermal finalization.
Priority Applications (1)
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CN201310641956.5A CN103862822B (en) | 2012-12-07 | 2013-12-03 | Manufacturing method of composite mesh |
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JP2012-268623 | 2012-12-07 | ||
JP2012-2868623 | 2012-12-07 | ||
CN201310641956.5A CN103862822B (en) | 2012-12-07 | 2013-12-03 | Manufacturing method of composite mesh |
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CN103862822B true CN103862822B (en) | 2017-04-12 |
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JPS5618917A (en) * | 1979-07-25 | 1981-02-23 | Watanabe Yakuhin Kogyo Kk | Sheet hydrous gel |
CN1403163A (en) * | 2002-10-23 | 2003-03-19 | 东南大学 | Absorbable fiber reinforced multilayer film material and its prepn |
CN1621016A (en) * | 2003-11-25 | 2005-06-01 | 伊西康公司 | Hemostatic wound dressings containing proteinaceous polymers |
CN1840774A (en) * | 2005-03-30 | 2006-10-04 | 中国科学技术大学 | Antibacterial active carbon fiber coated by chitosan porous membrane and process for preparing same |
CN102120043A (en) * | 2011-02-23 | 2011-07-13 | 中国人民解放军军事医学科学院基础医学研究所 | Absorbent cotton gauze containing nanometer silver and chitosan, preparation device as well as method thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS5618917A (en) * | 1979-07-25 | 1981-02-23 | Watanabe Yakuhin Kogyo Kk | Sheet hydrous gel |
CN1403163A (en) * | 2002-10-23 | 2003-03-19 | 东南大学 | Absorbable fiber reinforced multilayer film material and its prepn |
CN1621016A (en) * | 2003-11-25 | 2005-06-01 | 伊西康公司 | Hemostatic wound dressings containing proteinaceous polymers |
CN1840774A (en) * | 2005-03-30 | 2006-10-04 | 中国科学技术大学 | Antibacterial active carbon fiber coated by chitosan porous membrane and process for preparing same |
CN102120043A (en) * | 2011-02-23 | 2011-07-13 | 中国人民解放军军事医学科学院基础医学研究所 | Absorbent cotton gauze containing nanometer silver and chitosan, preparation device as well as method thereof |
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