CN1078633C - Resin coating reinforced fiber filament, formation material and mfg. method thereof - Google Patents
Resin coating reinforced fiber filament, formation material and mfg. method thereof Download PDFInfo
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- CN1078633C CN1078633C CN96112208A CN96112208A CN1078633C CN 1078633 C CN1078633 C CN 1078633C CN 96112208 A CN96112208 A CN 96112208A CN 96112208 A CN96112208 A CN 96112208A CN 1078633 C CN1078633 C CN 1078633C
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- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
To provide a reinforcing fiber yarn capable of being simply manufactured by yarns made of reinforcing fiber and thermoplastic resin with excellent productivity and having excellent weaving property and stranding property, a method for manufacturing the same, and a molding material using the reinforcing fiber yarn and having excellent shaping properties at the time of molding and being scarcely impregnated. Reinforcing fiber yarn covered on the outer periphery of a fiber bundle so formed of many reinforcing continuous fibers with thermoplastic resin as not to almost impregnate within the fiber bundle and thermoplastic resin 14 melted on the periphery of the bundle 1 are extruded in a cylindrical state on the outer periphery of the bundle formed of may reinforcing continuous fibers, and brought into contact with the outer periphery of the bundle 1 in a zero-pressure state.
Description
The invention relates to the resin coating reinforced fiber filament used for the thermoplastic resin formed body that on continuous fibers, form to strengthen and, the manufacture method of this resin coating reinforced fiber filament.
Past strengthens the thermoplastic resin formed body owing to have the advantage of the potent fruit of heightening very much on continuous fibers, be utilized widely.Strengthen the thermoplastic resin formed body in order to make this continuous fibers, usually adopt thermoplastic resin contained and be immersed on the fortifying fibre, form lamination, the method of carrying out heating and pressurizing and being shaped, fabric that forms on the fortifying fibre silk and thermoplastic resin film intersect mutually and carry out lamination, the method that heating and pressurizing is shaped, perhaps, fortifying fibre silk and the filametntary braided fabric of thermoplastic resin are carried out lamination, the method that heating and pressurizing is shaped etc.But when using film or thin plate as laminated material, the formability when carrying out the three-dimensional shape shaping is bad.Have again, bad when using fabric for the impregnation of fortifying fibre resin, the mutual intersection point of fortifying fibre place in fabric particularly, the resin impregnation is more bad.In addition, when braiding fortifying fibre silk, fiber is easy to sustain damage, the single fiber dimension that constitutes a fortifying fibre silk can not be too much (for example, with monofilament directly is the glass fibre of 7 μ m, and limit is about 6000), can not accomplish to increase the single fiber dimension and boost productivity.
Therefore,, proposed to be made into the continuous fibers that contains pre-enhancing usefulness and the silk (bundle, yarn etc.) of thermoplastic resin, be made into fabric, this fabric has been made the shaping material use, following motion has been arranged as this with this silk in order to improve the resin impregnation.
(a) will strengthen with continuous fibers and thermoplastic resin fiber, with the fibrous stranded preformed yarn that makes.
(b) will strengthen with continuous fibers and thermoplastic resin fiber,, carry out the preformed yarn that combing makes with fibrous.
(c) the thermoplastic resin powder is adsorbed on enhancing with connecting on the fiber the pre-yarn that is made into ways such as towering electricity
(d) will strengthen with continuous fibers by the thermoplastic resin fusion tank, bundle is moulded in giving of being made into.
(e) containing the core periphery that strengthens with continuous fibers and thermoplastic resin fiber, provide thermoplastic resin, make it in the in-core impregnation, to form the synthetic silk (the flat 6-506643 communique of special table) that coats with high pressure.
Yet there is following problem respectively in the silk in the past shown in above-mentioned (a)～(e).
(a) preformed yarn, what need the spinning process of thermoplasticity material resin and fortifying fibre closes the sth. made by twisting operation, and expense is higher.And close in the operations such as operation weaving of twisting with the fingers operation and back, system line the easy damaged fortifying fibre at this.Intersection point place at the preformed yarn is easy to generate the impregnation bad phenomenon.
(b) preformed yarn, what need the spinning process of thermoplastic resin and fortifying fibre closes the sth. made by twisting operation, and expense is higher.And in closing operations such as twisting with the fingers and weave, make line, the fortifying fibre damage is very big.
(c) preformed yarn, the absorption of tree powder is inhomogeneous, is difficult to control amount of resin, and in engineerings such as weaving, system line, the fortifying fibre damage is very big.
(d) preformed yarn, flexible in the intrafascicular shortage of preformed, can not weave, the system line, in addition, productivity ratio is also low.
(e) synthetic silk needs the plying operation of the spinning process and the fortifying fibre of thermoplastic resin, and expense is very high.Because the resin-coated inside of immersing in large quantities, hardening is difficult to weaving and system line.
The present invention develops in view of the variety of problems in past, and its purpose is to provide a kind of manufacture method of resin coating reinforced fiber filament.This method can be made the silk of fortifying fibre and thermoplastic resin formation easily.Productivity ratio is good, weaving easily, and the system line also has flexibility, can prevent in weaving, damages fortifying fibre in the operations such as system line.
Present inventors are in order to address the above problem, through studying intensively, found that, periphery in the reinforcing fiber bundles that forms with continuous fibers with many enhancings, apply by thermoplastic resin, make it only to adhere to the fiber that is positioned at periphery, almost immerse inside, just can form resin coating reinforced fiber filament with flexibility, and, this resin coating reinforced fiber filament can be processed into fabric and plate etc. at an easy rate, simultaneously, this fabric and plate are as moulding material, have good characteristic, thereby reached the present invention.
Promptly, resin coating reinforced fiber filament of the present invention, it is characterized in that, make the used resin coating reinforced fiber filament of fiber reinforcement thermoplastic resin formed body, reinforcing fiber bundles that is formed with continuous fibers by a plurality of enhancings and the thermoplastic resin that is coated with at this reinforcing fiber bundles periphery bag are constituted, and this thermoplastic resin does not almost immerse the inside of above-mentioned reinforcing fiber bundles, but adhere on the continuous fibers that is positioned at periphery, and then the volume containing ratio that strengthens with continuous fibers is 40～60%.
As fortifying fibre used among the present invention, its form also can be the sub-thread shape so long as continuous fibers can be a monofilament.As kind, can use carbon fiber, organic fibers such as inorfil such as glass fibre, alumina fibre and aramid fibre do not have strict the qualification to this.With these fortifying fibres, a branch of with a plurality of formation, use with the form of reinforcing fiber bundles.The form of this reinforcing fiber bundles can only form aggregation bunches with a plurality of continuous fiberss, and perhaps, suitably in addition twisted forms yarn.Constitute the fibre diameter of the fortifying fibre of reinforcing fiber bundles, fiber number etc. can desired condition be determined according to moulding materials such as the fabric of this resin coating reinforced fiber filament manufacturing, plates the time.Reinforcing fiber bundles as described later in order to protect with resin-coating, when adopting subsequent handling, also seldom produces damage, for this reason, boundling number some more as far as possible.Specifically, when fortifying fibre was carbon fiber or glass fibre, fibre diameter was 3～20 μ m, best 5～10 μ m, the fiber number is 2000～17000, best 5000～15000, during aramid fibre, fibre diameter is 10～14 μ m in addition, fiber several 600～5000 for well.
As the thermoplastic resin that uses among the present invention, can use polyamide such as polyester, nylon 6, nylon 66, nylon 12 such as polyethylene terephalic acid ester, polybutene terephalic acid ester, polypropylene, polyethylene, Merlon, many aromatic radicals sulfone, polyimide, poly-subunit sulfite, polyether-ether-ketone etc., this not had strict the qualification.In addition, also several mixing of above-mentioned thermoplastic resin can be used, also can in above-mentioned thermoplastic resin, suitably add colouring agent, filler or fire retardant etc. and use.
In resin coating reinforced fiber filament of the present invention, enhancing uses the volume containing ratio of continuous fibers between 40～60%, and therefore, the volume containing ratio of thermoplastic resin also is chosen to be between 40～60%.At this, the volume containing ratio of thermoplastic resin is that if it is because when not enough more than 40%, the coating difficulty, and the film of Xing Chenging is very thin simultaneously, is easily peeled off in the operation of back, and the danger of generation fault is arranged.In addition, when the volume containing ratio of thermoplastic resin surpassed 60%, resinous principle was too much, causes the resin coating reinforced fiber filament hardening, processing difficulties in the operation of back.And then, but the scope of this fortifying fibre containing ratio is consistent with the scope of the fortifying fibre containing ratio of formed body, therefore also has, and only can be formed into the advantage of body with resin coating reinforced fiber filament of the present invention.
In resin coating reinforced fiber filament of the present invention, the thermoplastic resin that is coated does not almost immerse the inside of reinforcing fiber bundles, but contacts with the continuous fibers that is positioned at periphery.Do not immerse the inside of reinforcing fiber bundles like this by thermoplastic resin, make reinforcing fiber bundles inside, fiber is unfixing each other, so can keep whole flexibility.Moreover, contact with the continuous fibers that is positioned at the reinforcing fiber bundles periphery by the thermoplastic resin that is coated, so the thermoplastic resin coating is difficult for being peeled off, thereby prevent in the weaving of using this resin coating reinforced fiber filament, because of the thermoplastic resin coating peels off, and cause fault in the back operation such as system line etc.
The present invention also provides the manufacture method of making the resin coating reinforced fiber of said structure.Promptly, the manufacture method feature that the present invention makes resin coating reinforced fiber filament is, the reinforcing fiber bundles that under mobile status, forms with continuous fibers with a plurality of enhancings, surround this reinforcing fiber bundles from being configured in, but the ring-type that does not contact the position of this reinforcing fiber bundles is shootd out mouth, the thermoplastic resin of fusion is squeezed into hollow cylindrical, under pressure-less state, thermoplastic resin is contacted with the periphery of above-mentioned reinforcing fiber bundles, wrap and be coated with.
Below, will explain manufacture method of the present invention.Fig. 2 is the simple side view of an embodiment of implementing the used applying device of the inventive method, Fig. 1 is the simple sectional drawing of the right angle charging mould of this applying device, Fig. 3 is the simple sectional drawing that shoots out the resin part of this right angle feed die, and Fig. 4 is the cutaway view at A-A place among Fig. 3.The reinforcing fiber bundles that 1 expression is formed with continuous fibers by a plurality of enhancings, 2 the expression provide this reinforcing fiber bundles 1 to silk device, the rotary extruder of 3 expression resin melt extrusions, 4 are illustrated in the right angle feed die that reinforcing fiber bundles 1 periphery applies, 5 expression resin coating reinforced fiber filaments, 6 expression thermoplastic resin cooling baths, 7 expression coiler devices.
Right angle feed die 4, there is the fiber usefulness hole 10 by reinforcing fiber bundles 1 at heart place therein, and the cylindrical passage 11 by molten resin is arranged around it, forms ring-type in its lower end and shoots out mouth 12.Fiber can slowly pass through with the manufactured reinforcing fiber bundles 1 that will make of the size in hole.For example, when the circular cross section diameter of reinforcing fiber bundles 1 was decided to be 1mm, then fiber was decided to be 2-4mm with the internal diameter in hole 10.Shoot out mouthfuls 12 will with fiber by reinforcing fiber bundles 1 with hole 10 spaced apart configurations.Therefore, from shooing out mouthful 12 molten resins that spue 14, the periphery with reinforcing fiber bundles 1 under no pressure contacts.When shooing out mouthfuls 12 when too big at interval with hole 10 with fiber, to spend certain hour and just can touch on the reinforcing fiber bundles 1 from shooing out mouthful 12 resins that spue 14 with circular cross section, can produce the situation that can not get necessary bonding force this moment, so, usually be selected in below the 2mm, preferably be chosen to be 1mm.
Below, the method for using said apparatus to make resin coating reinforced fiber is described.At first, thermoplastic resin is packed in the funnel 3a of spiral extruder 3,, close in the right angle feed die 4 by spiral at cylindrical portion 3b place heating and melting, the molten resin of sending in the right angle feed die 4 14 passes through cylindrical passage 11, shoots out mouth 12 from the ring-type of lower end and tells into tubular.On the other hand, draw reinforcing fiber bundles 1 from giving silk device 2, at the fiber at the center of right angle feed die 4 with moving downwards in the hole 10.Therefore, be the state that surrounds the reinforcing fiber bundles 1 moving from shooing out mouthful 12 resins that spue 14.From shooing out mouthful 12 resins that spue 14 abutment surface gravitation and cooling is shunk, and then carry out radial contraction, touch the periphery of reinforcing fiber bundles 1, be bonded in simultaneously on the continuous fibers of this part by drawing downwards.Thereby resin 14 coats the periphery that is coated in reinforcing fiber bundles 1.Resin coating reinforced fiber filament 5 by this coating forms by thermoplastic resin cooling bath 6, is cooled subsequently, is wound at last on the coiler device 7.
Be coated with in the operation at above bag, thermoplastic resin spues from shooing out mouth 12, under the pressure release conditions, promptly under pressure-less state, contacts with the periphery of reinforcing fiber bundles 1.Thus, and reinforcing fiber bundles 1 contacted resin 14 almost can not immerse between the inner continuous fibers.Like this, the thermoplastic resin coating only is bonded on the continuous fibers that is positioned at reinforcing fiber bundles 1 periphery, thereby produces the resin coating reinforced fiber filament of this structure.At this, in order to ensure the continuous fibers that is positioned at reinforcing fiber bundles 1 periphery with surround bonding that its thermoplastic resin coating can be good, preferably making from shooing out mouthful 12 molten resins that spue 14 is not having under the state of complete cooling curing, contact with reinforcing fiber bundles 1, for this reason, preferably make the molten resin 14 that spues, below shooing out mouthfuls 12, between 5～30mm, contact with reinforcing fiber bundles 1.As the temperature that spues of thermoplastic resin, preferably adopt the high 30-60 of fusing point ℃ temperature than thermoplastic resin, the molten resin viscosity of this moment is preferably lower than 10000 pools.
The present invention uses the resin coating reinforced fiber filament of the invention described above, and the moulding material of making fiber reinforcement thermoplastic resin formed body also is provided.Below moulding material of the present invention will be described.The fabric that the moulding material of one of the present invention form is to use above-mentioned resin coating reinforced fiber filament to weave.This fabric.Organizine and tram all use above-mentioned resin coating reinforced fiber filament, also can organizine and the part of tram use above-mentioned resin coating reinforced fiber filament, remainder then uses the thermoplastic resin that is used for this resin coating reinforced fiber filament and the thermoplastic resin filament of homogeneity.Latter instance is enrolled the filametntary ratio of thermoplastic resin in the fabric by adjustment, can adjust the fortifying fibre containing ratio that obtains formed body with this fabric.
When using resin coating reinforced fiber filament and thermoplastic resin filament textile fabric, both configurations are arbitrarily, for example, can use following compound mode.
1. organizine and tram, both sides use resin coating reinforced fiber filament, thermoplastic resin filament.
2. organizine and tram have only a side to use resin coating reinforced fiber filament, thermoplastic resin filament, and the opposing party then uses resin coating reinforced fiber filament.
3. organizine and tram one side use resin coating reinforced fiber filament, thermoplastic resin filament, and the opposing party then only uses the thermoplastic resin filament.
4. organizine and tram have only a side to use resin coating reinforced fiber filament, and the opposing party then only uses the thermoplastic resin filament.
These combinations are suitably selected according to the hope characteristic that obtains formed body.For example, 1., 2. in the combination and since organizine, tram both sides all assortment fortifying fibre, can obtain the formed body of non-directional enhancing.In addition 3., 4. in the combination since only in organizine or tram one side assortment fortifying fibre, only can obtain formed body in unidirectional enhancing.3., 4. combination in addition,, when this fabric is carried out lamination, utilize the direction of fortifying fibre to report to the leadship after accomplishing a task and carry out lamination, also can obtain the formed body of non-directional enhancing even.
Not making particular determination as the knit stitches of used fabric in the present invention, can be flat fabric, drillipg etc., and it is also the same with the past to weave, and utilizes weaving loom to carry out usually.In this weaving operation, organizine, tram are not only crooked but also rub.Yet, use resin coating reinforced fiber filament of the present invention, owing to have the flexibility of appropriateness, even bending can not sustain damage yet, in addition, be subject to rub the reinforcing fiber bundles of damage, owing to covered one deck thermoplastic resin coating, fortifying fibre can not sustain damage, and can not produce burr etc.Because this thermoplastic resin coating is bonded on the continuous fibers of reinforcing fiber bundles periphery, peels off so can not produce.The fabric of Huo Deing constitutes its not damage of fortifying fibre like this.And possesses softness characteristics.
The following describes the manufacturing process that uses this fabric.According to the thickness of want formed body, if with this fabric several be piled up place in the type tool just passable.This fabric is because soft, and plastic property is good, not only is suitable for even shape, and is suitable for the shape of flexure plane.When again fabric being placed in the type tool, in order to be adjusted to the containing ratio of fortifying fibre in the body.Can between fabric, dispose resin film, in addition,, only can dispose the fabric that constitutes by the fortifying fibre silk and with the fortifying fibre plying and soak resiniferous preforming material etc. in order to ensure necessary strength and rigidity.But because the plastic property of these resin films and preforming material is bad, so use less well, moreover only the fabric that is made of fortifying fibre is because impregnation is poor, and this also will use less to well.After in the embedded type tool, handle with the in the past the same pressurized, heated of carrying out.Pressure is 5～20Kg/cm
2, the temperature used is suitably high 30～50 ℃ for the melting point than resin.In view of the above, thermoplastic resin fusion and soaking is contained between the fortifying fibre, and forms behind the substrate by treating its cooling, curing, obtains fiber reinforcement thermoplastic resin formed body.
In resin coating reinforced fiber filament, because thermoplastic resin is enclosed in the periphery of reinforcing fiber bundles.So utilize pressurized, heated to soak when containing, the distance that molten resin flows will be lacked, and obtains certain impregnation thus.Even in addition at the mutual intersection point place of the fortifying fibre of impregnation difficulty, because resin-coated being present between the fortifying fibre, this part can not produce bad impregnation.Like this, the formed body that is obtained, impregnation does not almost have the space, and has extraordinary flexural strength.
The another kind of form of moulding material of the present invention is to use above-mentioned resin coating reinforced fiber filament to make the lattice plate of line.It is with the several silks of helical form assortment (to call S direction silk in the following text) on the S direction that this grate constitutes, with with its crisscross Z direction on, with the several silks of helical form assortment (to call Z direction silk in the following text), but in grate of the present invention, S direction line and Z direction silk can use above-mentioned resin coating reinforced fiber filament.S direction silk and Z direction silk also can a part use above-mentioned resin coating reinforced fiber filament, and remainder is used for the thermoplastic resin of this resin coating reinforced fiber filament and the thermoplastic resin filament of homogeneity.The latter can add the filametntary ratio of thermoplastic resin in the grate by adjusting, and adjusts the fortifying fibre containing ratio that uses this grate reed to be shaped.
When making the line grate with resin coating reinforced fiber filament and thermoplastic resin filament, both assortments are arbitrarily.For example can use following compound mode.
5. S direction silk and Z direction silk both sides use resin coating reinforced fiber filament, thermoplastic resin filament.
6. the side in S direction silk and the Z direction silk use resin coating reinforced fiber filament, thermoplastic resin filament, and the opposing party only uses resin coating reinforced fiber filament.
7. the side in S direction silk and the Z direction silk use resin coating reinforced fiber filament, thermoplastic resin fiber system, and the opposing party only uses the thermoplastic resin filament.
8. the side in S direction silk and the Z direction silk only use resin coating reinforced fiber filament, and the opposing party only uses the thermoplastic resin filament.
These combinations can suitably be selected according to the characteristic of prestige formed body.For example, 5., 6. the combination in, S direction silk and Z direction silk, both sides all assortment fortifying fibre, so can obtain the formed body of non-directional enhancing.In addition, 7., 8. in the combination, because the fortifying fibre that had only side's assortment in S direction silk and the Z direction silk, so can only obtain the formed body that single direction strengthens.7., 8. combination in addition,, with this grate lamination the time, press the direction intersection lamination of fortifying fibre, still can obtain the formed body of non-directional enhancing even.
The system line of above-mentioned grate does not use special device, available general twine machine.That is, be contained on the intubate on limit, the right side (revolving), limit, a left side (revolving) of twine machine, be made into grate with twine machine with giving the resin coating reinforced fiber filament (and giving the thermoplastic resin fiber that is wound on earlier on the system spool as required) of the system of being wound on earlier on the spool.At this moment, resin coating reinforced fiber filament is crooked on one side, Yi Bian rub, the same with above-mentioned weaving situation, use resin coating reinforced fiber filament of the present invention, owing to have the flexibility of appropriateness, even bending can not sustain damage yet, in addition, fortifying fibre can not produce damage burr etc. yet.And then, because this thermoplastic resin coating film is bonded on the continuous fibers of reinforcing fiber bundles periphery, do not peel off so do not produce yet.The grate of Huo Deing like this, the fortifying fibre that constitutes it can not sustain damage, and the tool softness characteristics.
Because grate of the present invention forms tubular, so be suitable for being processed into the formed body of fiber reinforcement thermoplastic resin pipe.Below explanation uses this grate to shape the method for fiber reinforcement thermoplastic resin forming tube (FRTP pipe).At first, the thickness according to formed body requires is coated on several grates on the excellent core.At this moment, because this grate has flexibility, so be easy to operation.When grate being arranged on the excellent core,, can between the grid flaggy, dispose pitch tube in order to be adjusted to the fortifying fibre containing ratio in the body.In addition, in order to ensure necessary strength and rigidity, also can between the grid flaggy, dispose be associated with fortifying fibre such as 0,90 ° contain resin pickup preform material and reinforcement fabrics etc.But,, use a little for well less because these resin films and preform material plastic property are very poor.Moreover the fabric that is formed by fortifying fibre is because impregnation is poor, so preferably also use less.
Then extract excellent core, load onto interior pressures such as silicon with pipe.In the mould of the regulation of again this set thing being packed into, on one side heating, pressurization is on one side inwardly pressed with gases such as nitrogen injection in the pipe or air.Moulding pressure is 5～20Kg/cm
2About, serviceability temperature is suitable for suitable high 30～50 ℃ than resin melting point.Pressurize again by this heating, make the thermoplastic resin fusion, and soak and be contained between the fortifying fibre, form matrix, subsequently, cooling die solidifies the thermoplastic resin matrix of molten condition, takes out formed body from mould.Through above operation, the thermoplastic resin hollow forming body that has obtained on continuous fibers, strengthening.The formed body that obtains does not almost have the space, demonstrates than fortifying fibre flexural strength the effect that transverse strength is better.
Resin coating reinforced fiber filament of the present invention is though its formation is to have coated thermoplastic resin on the reinforcing fiber bundles that is formed by many continuous fiberss; but; this thermoplastic resin be owing to almost can not soak the inside that is contained in reinforcing fiber bundles, though the resin containing ratio up to 40～60%, also it doesn't matter; still has flexibility; and the thermoplastic resin covering of periphery has been protected inner reinforcing fiber bundles, so in weaving; in the operations such as system line, prevented that fortifying fibre from sustaining damage.Moreover the thermoplastic resin covering sticks on the continuous fibers of reinforcing fiber bundles periphery, and has suitable thickness, so can not peeled off in operations such as weaving, system line.Thus, as the moulding material for making fiber reinforcement thermoplastic resin formed body, it is best to use its fabric or grate to make material.
The inventive method is the reinforcing fiber bundles that forms with continuous fibers with many enhancings, under mobile status, the thermoplastic resin of this reinforcing fiber bundles will be surrounded, extrude with hollow cylindrical, under pressure-less state, contact with the periphery of above-mentioned reinforcing fiber bundles, owing to constitute like this, so produce resin coating reinforced fiber filament of the present invention, wherein resin does not soak the inside that is contained in reinforcing fiber bundles, but sticks on the continuous fibers of periphery.At this moment, thermoplastic resin is molten condition extrude after owing to be under pressure-less state, to contact,, for example can be 200 meters/minute (m/min) so processing speed (translational speed of reinforcing fiber bundles) can be very big with the reinforcing fiber bundles periphery.For this reason, can enhance productivity.
Moulding material by the fabric that uses above-mentioned resin coating reinforced fiber filament weaving forms owing to used soft resin coating reinforced fiber filament, has flexibility, plastic property is fine for this reason, be suitable for being processed into the formed body with curved surface, simultaneously, the operability when lamination, figuration might as well.Simultaneously because hot castable resin is coated in the periphery of reinforcing fiber bundles equably, so the impregnation when being shaped is fine, though in fabric the mutual intersection point place of fortifying fibre, impregnation is also fine, and the dispersiveness of fortifying fibre is also fine.Thus can be in shorter time, lower pressure forms processing.
By the grate that uses above-mentioned resin coating reinforced fiber filament system line to be processed into, formed moulding material is the same with the situation of fabric, owing to used soft resin coating reinforced fiber filament, had flexibility, so plastic property is fine, lamination, the operability during figuration might as well.And because thermoplastic resin is coated in the periphery of reinforcing fiber bundles equably, so the impregnation when being shaped is fine, even the mutual intersection point of the fortifying fibre in fabric place, impregnation is also fine, and the dispersiveness of fortifying fibre might as well.For this reason can be at short notice, form under the low-pressure.Because this grate is tubular, so be suitable for being processed into fiber reinforcement thermoplastic resin tubulose formed body.
Under the following conditions, make resin coating reinforced fiber filament, obtain following result.
(1) uses material
Reinforcing fiber bundles: carbon fiber
HTA-6KCF (the eastern レ of nation-ヨ Application Co., Ltd. system)
Several 6000 of monofilament
Thermoplastic resin: polyamide
PA6 (Ube Industries, Ltd's system)
(2) coating condition
Structure shown in operative installations: Fig. 1～4
The fiber internal diameter in hole 10: 3.5mm
Shoot out the external diameter of mouth 12: 7mm internal diameter: 5.5mm
Right angle feed die temperature: 270 ℃
The barrel temperature of extruder 3: 250 ℃
Thermoplastic resin discharge-amount: 46 Grams Per Minutes
Winding speed: 200 meters/minute
(3) result
Obtain having the resin coating reinforced fiber filament that thermoplastic resin coats in the reinforcing fiber bundles periphery.The fortifying fibre volume containing ratio of gained resin coating reinforced fiber filament is 54% this resin coating reinforced fiber filament of cut-out, during with its section of electron microscope observation, forming the pad moldable resin that surrounds fortifying fibre and coating, this coating is to be bonded in fortifying fibre to come on the continuous fibers of periphery.Do not find that simultaneously resin contains the inside that is dipped into fortifying fibre.And then, peel the pad moldable resin off and coat, when now examining inner fortifying fibre and coming, do not send out yet and see inner fortifying fibre and sustain damage, therefore, conclude that in the bag working procedure of coating fortifying fibre not taking place sustains damage.
The gained resin coating reinforced fiber filament is soft, when carrying out textile testing, does not damage, and weaving is feasible.
By following condition, make resin coating reinforced fiber filament, the gained result is as follows.
(1) uses material
Reinforcing fiber bundles: carbon fiber
HTA-6KCF (the eastern レ of nation-ヨ Application Co., Ltd. system)
Several 6000 of monofilament
Thermoplastic resin: polyphenyl sulfite
PPS (big Japanese イ Application キ Co., Ltd. system)
(2) coating condition
Structure shown in operative installations: Fig. 1～4
The fiber internal diameter in hole 10: 3.5mm
Shoot out the external diameter of mouth 12: 7mm.Internal diameter: 5.5mm
Right angle feed die temperature: 320 ℃
The barrel temperature of extruder 3: 290 ℃
Thermoplastic resin discharge-amount: 46g/ branch
Winding speed: 200m/ branch
(3) result
Obtain having the resin coating reinforced fiber filament that thermoplastic resin coats in the reinforcing fiber bundles periphery.The fortifying fibre volume containing ratio of gained resin coating reinforced fiber filament is 54%.This resin coating reinforced fiber filament also has the characteristic identical with embodiment 1.
By following condition, make resin coating reinforced fiber filament and obtain following result.
(1) uses material
Reinforcing fiber bundles: carbon fiber
HTA-6KCF (the eastern レ of nation-ヨ Application Co., Ltd. system)
Several 6000 of monofilament
Thermoplastic resin: polyamide
PA6 (Ube Industries, Ltd's system)
(2) coating condition
Structure shown in operative installations: Fig. 1～4
The fiber internal diameter in hole 10: 3.5mm
Shoot out the external diameter of mouth 12: 7mm.Internal diameter: 5.5mm
Right angle feed die temperature: 280 ℃
The barrel temperature of extruder 3: 250 ℃
Thermoplastic resin discharge-amount: 30g/ branch
Winding speed: 130m/ branch
(3) result
Obtain having the resin coating reinforced fiber filament that thermoplastic resin coats in the reinforcing fiber bundles periphery.The fortifying fibre volume containing ratio of gained resin coating reinforced fiber filament is that 54% this resin coating reinforced fiber filament also has the characteristic identical with embodiment 1.
By following condition, make resin coating reinforced fiber filament, obtain following result.
(1) uses material
Reinforcing fiber bundles: carbon fiber
HTA-12KCF (the eastern レ of nation-ヨ Application Co., Ltd. system)
Several 12000 of monofilament
Thermoplastic resin: polyamide
PA6 (emerging product Co., Ltd. of word portion system)
(2) coating condition
Structure shown in operative installations: Fig. 1～4
The fiber internal diameter in hole 10: 5mm
Shoot out the external diameter of mouth 12: 9mm.Internal diameter: 7mm
Right angle feed die temperature: 270 ℃
The barrel temperature of extruder 3: 250 ℃
Thermoplastic resin discharge-amount: 30g/ branch
Winding speed: 65m/ branch
(3) result
Obtain having the resin coating reinforced fiber filament that thermoplastic resin coats in the reinforcing fiber bundles periphery.The fortifying fibre volume containing ratio of gained resin coating reinforced fiber filament is that 54% this resin coating reinforced fiber filament also has the characteristic identical with embodiment 1.
Use the resin coating reinforced fiber filament of embodiment 3, by following condition, textile fabric.
Woven form: plain weave
Textile density: through 10/25mm, 10/25mm of latitude gained fabric sofetening, and footpath silk and tram are not found damage.Use this fabric, be processed into flat board by following condition.
Lamination constitutes: 8 layers (ply)
Molding condition: 270 ℃, 10Kgf/cm
2, 10 minutes, obtain the formed body that thickness is 2.1mm by such shaping.The special bosom of machinery measurement result about this formed body is shown in table 1.
Comparative example 1
Prepare the fabric and the thermoplastic resin film that form by reinforcing fiber bundles of following style.
Reinforcement fabrics.
Use fiber: carbon fiber
T-3006KCF fabric (eastern レ Co., Ltd. system)
Several 6000 of monofilament
Woven form: plain weave
Textile density: the 10/25mm in footpath, 10/25mm of latitude
Hot castable resin: polyamide
The thick 60 μ m of PA6 film (ュ ニ チ カ Co., Ltd. system)
Use this reinforcement fabrics and thermoplastic resin film, be processed into flat board by following condition.
Lamination constitutes: the surface is formed by the PA6 film, and PA6 film and reinforcement fabrics are intersected lamination mutually, and reinforcement fabrics is amassed 8 layers.
Molding condition: 270 ℃, 10Kgf/cm
2, 10 minutes
By such shaping, obtain the thick formed body of 2.2mm.Mechanical property measurement result about this formed body is shown inspection table 1.Measure bending strength according to JISK7203, measure proper tool impact value, measure voidage according to JISK7053 according to TISK7111.
Table 1
| | Comparative example 1 | |
| Fortifying fibre volume containing ratio (%) bending strength (Kgf/mm 2) proper tool impact value (Kgfcm/cm 2) voidage (%) | 54 70 92 1 | 54 12 38 21 |
Obviously know from table 1, the formed body that obtains with embodiment 5, the formed body of the comparative example 1 that obtains with reinforcement fabrics by the past has suitable excellent characteristic.
With the resin coating reinforced fiber filament of embodiment 4, by following condition system line grate.
Spool number: 24 dozens
Angle: 30 °
Grate footpath: 18mm
The grate softness that obtains is not found the resin coating reinforced fiber filament damaged.Use this grate, be processed into pipe by following condition.
Lamination constitutes: 3 layers (ply)
Molding condition: 260 ℃, interior pressure 10Kgf/cm
2, 20 minutes, cool off 15 ℃/minute, 80 ℃ with bottom knockout.
The FRTP pipe that obtains, external diameter 20mm, thickness 1.2mm, the volume containing ratio of fortifying fibre is 55%.Its mechanical property measurement result is shown in table 2.
Comparative example 2
By following condition, make the interweave grate of type of 12KCF/PA6, make FRTP and manage with the interior shape method that is pressed into it.
(1) uses material
Reinforcing fiber bundles: carbon fiber
HTA-12KCF (the eastern レ of nation-ヨ Application Co., Ltd. system)
Single line silk number: 12000
Filament diameter: 7 μ m
Thermoplastic resin fiber: nylon fiber
PA6 (Ube Industries, Ltd's system)
Several 72 of monofilament
Filament diameter 82 μ m
Yarn count 460TEX
(2) braiding condition
Spool number: 48 dozens
Angle: 30 °
Grate diameter: 18mm
With carbon fiber left-handed, dextrorotation, nylon fiber system spool, fortifying fibre equivalent on crisscross is mutually arranged in respectively 1 placement in every interval, makes the type grate that interweaves
(3) be pressed into shape in
With the grate that obtains, make FRTP shape pipe by following condition.
Lamination constitutes: 3 layers
Molding condition: 260 ℃, interior pressure 8kgf/cm
2, 15 ℃/minute of 10 minutes, cooling at 80 ℃ with bottom knockout
The FRTP pipe that obtains, external diameter 20mm, thickness 1.2mm, the volume containing ratio of fortifying fibre is 55%, its mechanical property measurement result is shown in table 2.
Comparative example 3
By following condition, make the 1 direction type grate of 12KCF/PA6, be processed into the FRTP pipe with it with interior pressure forming process.
(1) uses the material reinforcing fiber bundles: carbon fiber
HTA-12KCF (the eastern レ of nation-ヨ Application Co., Ltd. system)
Monofilament number: 12000
Filament diameter: 7 μ m
Thermoplastic resin fiber: nylon fiber
PA6 (Ube Industries, Ltd's system)
Monofilament number: 72
Filament diameter: 82 μ m
Yarn count: 460TEX
(2) weaving condition
Spool number: 32 dozens
Angle: 30 °
Grate diameter: 18mm
On left-handed intubate, place carbon fiber system spool respectively, place the system spool of nylon fiber on the dextrorotation intubate, make the Z direction and strengthen grate.On the dextrorotation intubate, place carbon fiber system spool, place nylon system spool on the left-handed intubate, make the grate that the S direction strengthens.
(3) be pressed into shape in
With the grate that obtains, make the FRTP forming tube by following condition.
Lamination constitutes: 4 layers, Z direction enhancing grate and S direction enhancing grate are handed over lamination mutually, and make 4 layers.
Molding condition: 260 ℃, interior pressure 8Kgf/cm
2, 10 minutes, cool off 15 ℃/minute, 80 ℃ with bottom knockout.
The FRTP pipe that obtains, external diameter, 20mm, thickness 1.1mm, the volume containing ratio of fortifying fibre is 55%, its mechanical property measurement result is listed in table 2.Measure bending strength according to JISK7203, measure voidage according to JISK7053.
| Bending strength (kgf/mm 2) | Voidage (%) | |
| | 110 75 90 | 2.5 8.5 5.0 |
Know,, compare to have more excellent characteristic with the comparative example 2,3 that obtains with fortifying fibre grate in the past with the formed body that this embodiment 6 obtains from table 2 is clear.
As above explanation; resin coating reinforced fiber filament of the present invention; be coated with the guarantor with thermoplastic resin and obtain the reinforcing fiber bundles that is formed by a plurality of continuous fibers; and; flexibility with appropriateness; so do not damage and be suitable as the fabric or the grate materials'use that use for making the fine moulding material that strengthens the thermoplastic resin formed body in the operations such as weaving, line processed; and; during shaping; resin is good to the impregnation of fortifying fibre, and its effect can be processed into high-quality formed body. Moreover this resin coating reinforced fiber filament because thermoplastic resin is integrated coating form to fortifying fibre, closes the preform yarn of sth. made by twisting or combing formation and compares with fiber chemical combination fortifying fibre, and manufacturing process is simple, low cost. And then, owing to protected fortifying fibre with the thermoplastic resin coating, in rear operation, can not break down. Thus, can consist of reinforcing fiber bundles with a lot of ultimate fibres, have the good texts of production performance.
The moulding material of the present invention of the formation of fabrics that is woven into above-mentioned resin coating reinforced fiber filament, owing to used soft resin coating reinforced fiber filament, has flexibility, plastic property is good for this reason, be suitable for being processed into the formed body with curved surface, simultaneously, the operability when lamination, figuration is fine. And because thermoplastic resin is coated in the periphery of reinforcing fiber bundles equably, the impregnation during shaping is good, even the mutual intersection point of the fortifying fibre in fabric place, impregnation is also fine, and the dispersiveness of fortifying fibre is also fine. Thus, but within a short period of time, the processing that is shaped under the low-pressure can be made clearancen, and the crack rate is low, the high formed body of enhancing effect.
The moulding material of the present invention that consists of with the grate of above-mentioned resin coating reinforced fiber filament line formation processed, also the situation with fabric is the same, owing to used soft resin coating reinforced fiber filament, have flexibility, for this reason, plastic property is fine, lamination, the operability during figuration is also fine. Because thermoplastic resin is coated in the periphery of reinforcing fiber bundles equably, the right impregnation that is shaped is fine. So can within a short period of time, processing is shaped under the low-pressure. It is low to produce voidage, strengthens the high formed body of effect. Its effect is very suitable for being processed into fiber reinforcement thermoplastic resin tubulose formed body.
The inventive method is the reinforcing fiber bundles of using a plurality of enhancings to form with continuous fiber, be under the mobile status, the thermoplastic resin that surrounds this reinforcing fiber bundles is squeezed into hollow cylindrical, under without the pressure situation, contact with the periphery of above-mentioned reinforcing fiber bundles, manufacture according to this resin coating reinforced fiber filament of the present invention, so, wherein resin does not contain the inside that is dipped into reinforcing fiber bundles, but is bonded on the continuous fiber of periphery. At this moment, the thermoplastic resin of melting contacts with the periphery of reinforcing fiber bundles under pressure-less state, so processing speed can be very large, has the effect that can boost productivity.
Fig. 1 is illustrated in the simple sectional drawing of example of a right angle feed die of applying device used in the manufacture method of the present invention.
Fig. 2 represents the summary lateral view of this applying device.
Fig. 3 represents that the resin of right angle feed die shoots out the simple sectional drawing of part.
Fig. 4 is the A-A cutaway view of Fig. 3.
Symbol among the figure is:
1 reinforcing fiber bundles 2 is given silk device
3 spiral extruder 4 right angle feed die
5 resin coating reinforced fiber filaments, 6 thermoplastic resin cooling baths
7 coiler devices, 10 fibers are used the hole
11 cylindrical passage 12 are shootd out mouth
14 resins
Claims (1)
1. manufacture method of making resin coating reinforced fiber filament, it is characterized in that, make the reinforcing fiber bundles that forms by the many all continuous fiberss of enhancing be mobile status, surround this reinforcing fiber bundles from being configured in, but the ring-type that does not contact the position of this reinforcing fiber bundles is shootd out mouth, the thermoplastic resin of fusion is squeezed into hollow cylindrical, under pressure-less state, thermoplastic resin is contacted with the periphery of above-mentioned reinforcing fiber bundles, apply with this.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP169247/95 | 1995-06-12 | ||
| JP16924795A JP3620103B2 (en) | 1995-06-12 | 1995-06-12 | Method for producing resin-coated reinforcing fiber yarn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1154423A CN1154423A (en) | 1997-07-16 |
| CN1078633C true CN1078633C (en) | 2002-01-30 |
Family
ID=15882978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96112208A Expired - Fee Related CN1078633C (en) | 1995-06-12 | 1996-06-12 | Resin coating reinforced fiber filament, formation material and mfg. method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3620103B2 (en) |
| CN (1) | CN1078633C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911678A (en) * | 2014-04-17 | 2014-07-09 | 华中科技大学 | Coaxial nozzle for electrofluid spray printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101460673B (en) * | 2006-05-01 | 2011-06-22 | 日本板硝子株式会社 | Reinforcing cord, method for producing the same, and product using the reinforcing cord |
| FR2922144B1 (en) * | 2007-10-11 | 2009-12-04 | Michelin Soc Tech | DEVICE FOR CUTTING A SYMMETRIC FEED CHANNEL SHEET |
| KR100888808B1 (en) * | 2008-08-04 | 2009-03-13 | 에코얀주식회사 | Polyester yarn fiber coating composition |
| JP5592775B2 (en) * | 2010-07-01 | 2014-09-17 | ダイセルポリマー株式会社 | Carbon fiber wound tape and manufacturing method thereof |
| US8529814B2 (en) * | 2010-12-15 | 2013-09-10 | General Electric Company | Supported hollow fiber membrane |
| CN103938802A (en) * | 2013-01-17 | 2014-07-23 | 青岛天力建筑加固工程有限公司 | Bendable fiber rib |
| KR101599477B1 (en) * | 2014-07-11 | 2016-03-14 | 임수영 | Carbon fiber complex formed by coating twisted carbon fiber with thermoplastic resin, manufacturing method thereof, and manufacturing apparatus thereof |
| DE102017205615A1 (en) | 2016-04-05 | 2017-10-05 | Asahi Kasei Kabushiki Kaisha | Composite yarn, textile and method of making the same |
| CN107385594A (en) * | 2016-04-05 | 2017-11-24 | 旭化成株式会社 | Complex yarn and cloth and silk and their manufacture method |
| JP7286264B2 (en) * | 2017-03-13 | 2023-06-05 | 旭化成株式会社 | Cloth, its manufacturing method and continuous fiber reinforced resin composite |
| CN111670274B (en) * | 2018-03-05 | 2022-07-01 | 旭化成株式会社 | Composite yarn and method for producing same, continuous fiber-reinforced resin molded body, and method for producing composite material molded body |
| CN109735910B (en) * | 2018-12-26 | 2020-05-26 | 浙江华斐服饰股份有限公司 | Functional composite fiber processing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082125A (en) * | 1992-07-31 | 1994-02-16 | 佐治亚科技研究公司 | Soft multiply predipped yarn, with its product of making and preparation method |
-
1995
- 1995-06-12 JP JP16924795A patent/JP3620103B2/en not_active Expired - Fee Related
-
1996
- 1996-06-12 CN CN96112208A patent/CN1078633C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082125A (en) * | 1992-07-31 | 1994-02-16 | 佐治亚科技研究公司 | Soft multiply predipped yarn, with its product of making and preparation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911678A (en) * | 2014-04-17 | 2014-07-09 | 华中科技大学 | Coaxial nozzle for electrofluid spray printing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3620103B2 (en) | 2005-02-16 |
| JPH08336879A (en) | 1996-12-24 |
| CN1154423A (en) | 1997-07-16 |
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