CN1819903A - Take-off device for filament-reinforced resin structure and process for producing said structure - Google Patents
Take-off device for filament-reinforced resin structure and process for producing said structure Download PDFInfo
- Publication number
- CN1819903A CN1819903A CNA2005800005894A CN200580000589A CN1819903A CN 1819903 A CN1819903 A CN 1819903A CN A2005800005894 A CNA2005800005894 A CN A2005800005894A CN 200580000589 A CN200580000589 A CN 200580000589A CN 1819903 A CN1819903 A CN 1819903A
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- Prior art keywords
- resin
- fiber roving
- fiber
- thermoplastic resin
- dipping
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
- B29B11/16—Making preforms characterised by structure or composition comprising fillers or reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
- B29C70/527—Pulling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Reinforced Plastic Materials (AREA)
- Moulding By Coating Moulds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
A take-off device for a resin-impregnated fiber roving (23) which is obtained by cooling, to a specific temperature, a molten resin-impregnated fiber roving (22) being discharged from a shaping die (15) of an apparatus for producing a filament-reinforced thermoplastic resin structure, wherein it has a pair of endless belts, and the surface of the endless belt contacting with the resin-impregnated fiber roving (23) comprises a polyester polyurethane elastomer. The above take-off device can take a resin-impregnated fiber roving at a high speed for a long period of time, which results in the production of a filament-reinforced resin structure in a continuous manner with good efficiency with good economy.
Description
Technical field
The present invention relates to be used for the pulling device of the fiber roving of drawing resin dipping, this rove obtains with the molten resin dipping and with product figuration and cooling by fiber roving, the invention still further relates to use this pulling device to produce the method for the resin structure of long fibre enhancing.
In the present invention, the fiber construct that long fibre strengthens is the Essential Terms of yarn thigh, this yarn thigh is to obtain after cooling off by the fiber roving that the molten resin that uses the figuration mould figuration one-tenth shape that requires in the die head of right angle outlet floods, and obtains particle etc. by this yarn thigh of cutting.
The present invention can produce the resin structure that long fibre strengthens in long-time continuous ground.
Background technology
As the thermoplastic resin composition's who produces the long fibre enhancing method, pultrusion attracts much attention now.Wherein the technology that usually adopts comprises: when the pulling device drawing that fiber roving will illustrate by the back, and countless continuous yarn thigh (being also referred to as fiber roving) impregnated with molten thermoplastic resins in die head of right angle; It is desired shape that the fiber roving of molten resin dipping is handled figuration through the figuration mould; Fiber roving with molten resin dipping of the shape that requires cools off in cooling device; Make the fiber roving of the dry molten resin dipping of crossing form the yarn thigh on demand by pulling device; Then, use comminutor with the granulation of yarn thigh.
Fig. 1 represents the process units of the fiber construct that conventional and general long fibre strengthens.
As pair of rolls, shredding becomes flat yams to fiber roving 21 (for the sake of simplicity, Fig. 1 represents a fiber roving) by fibre-opening unit having 18, supplies with the inlet 19 of die head of right angle 2.In die head of right angle 2, the fiber roving dipping is gone up the molten resin that enters from resin charge door 12.Molten resin is by extruder (not shown) or other similar machine supply.
For example, die head of right angle 2 has a pair of flat waveform baffle plate 14, is located on the drawing direction of fiber roving of resin dipping.Constitute a pair of baffle plate like this, make protrusion and toward each other recessed.Fiber roving is pushed by protuberance, promotes the fiber roving dipping to go up resin and make fiber roving flood resin equably whereby.
The fiber roving of resin dipping is discharged by figuration mould 15 figurations and as the fiber roving 22 of molten resin dipping, makes the fiber roving 23 that is solidified into the resin dipping after its cooling by cooling device 30.The fiber roving 23 of resin dipping is got device 16 afterwards with comminutor 17 granulations through drawing.
The drawing fiber roving is used draws and gets device 16 and use usually: disclosed a pair of crawler type tape loop (a pair of belt) among the JP-A-06-293023; Disclosed driving pressure roller among the JP-A-05-162124; Or the like.
As shown in Figure 2, for example, a pair of belt operation is as follows.Last crawler type tape loop 1a fixes, and crawler type tape loop 1b can move up and down down.The fiber roving 23 that the many resins that obtain by cooling flood is clipped between the last crawler type tape loop 1a and following crawler type tape loop 1b of constant voltage, and transports forward.In this way, discharge continuously, supply with die head of right angle, from the figuration mould, discharge again, through apparatus for supercooling, in the comminutor of input back around the fiber roving that axle is reeled.
Therefore, this is easy to damage under the stringent condition of drawing gravitation, belt surface pressure, pull speed etc. to belt.Usually use natural rubber, SBR or acrylonitrile-butadiene rubber material, but be to use such strapping can produce following point as belt, as: the wearing and tearing scar that on belt surface, forms the yarn thigh when short time uses; The long-term use can form darker scar.Yarn thigh with dark scar gets loose and can not drawing, thereby belt must be changed in hundreds of hours.
Equally, there is following explanation the paragraph among the JP-A-05-32757 [0002] and [0004].With polyurethane elastomer with superior abrasion resistance, mechanical strength, resilience elasticity etc. as roller, belt etc.The method of producing polyurethane elastomer comprises makes the prepolymer that has NCO on the exposed terminated groups vulcanize with aromatic polyamides.This prepolymer obtains through reaction between following compounds: as the toluene di-isocyanate(TDI) (TDI) of isocyanate prepolymer composition; With long-chain polyhydric alcohol such as polytetramethylene ether diol (PTMG), polypropylene glycol (PPG) or PEPA as polyol component.
Summary of the invention
The objective of the invention is to make the long-time high speed drawing of fiber roving of resin dipping, and can produce the resin structure that long fibre strengthens continuously, effectively and economically.
After research fully, the present inventor finds that above-mentioned purpose can realize by using polyurethane to make strapping, finishes the present invention thus.
That is to say, according to first aspect present invention, a kind of pulling device that is used for thermoplastic resin-impregnated fibers rove (23) is provided, and this fiber roving (23) is to cool off by the fiber roving (22) that the molten resin that will discharge from the figuration mould (15) of fiber reinforced thermoplastic resin structure process units floods to obtain.This pulling device that is used for thermoplastic resin-impregnated fibers rove (23) is characterised in that and comprises a pair of tape loop that wherein this tape loop surface that contacts with the fiber roving (23) of resin dipping is made by polyurethane elastomer.
According to second aspect present invention, a kind of pulling device that is used for by the fiber roving of the resin of first aspect present invention dipping is provided, wherein polyurethane elastomer is the polyurethane elastomer of polyesters.
According to third aspect present invention, a kind of pulling device that is used for according to the fiber roving of the resin of first aspect present invention or second aspect dipping is provided, wherein polyurethane elastomer has 50～80 Xiao A hardness.
According to fourth aspect present invention, a kind of pulling device that is used for according to the fiber roving of the resin of first aspect present invention～third aspect either side dipping is provided, wherein every tape loop has the metal wire of enhancing in internal layer.
According to fifth aspect present invention, a kind of pulling device that is used for according to the fiber roving of the resin of first aspect present invention～fourth aspect either side dipping is provided, it is characterized in that being cooled to each root of fiber roving (23) of 1～100 resin dipping of 25～100 ℃ at pulling force, the 0.1kgf/cm of 1kgf (9.8N)～50kgf (490N)
2(9,800Pa)～5kgf/cm
2Carry out drawing under belt surface pressure (0.49MPa) and the pull speed of 3～80m/min.
According to sixth aspect present invention, a kind of pulling device that is used for according to the fiber roving of the resin of first aspect present invention～the 5th aspect either side dipping is provided, wherein: belt has 150mm or wideer width; And the contact length between the fiber roving (23) of belt and resin dipping is 500mm or longer.
According to seventh aspect present invention, a kind of method that produces the thermoplastic resin structure of long fibre enhancing is provided, this method is used the pulling device according to the fiber roving of the resin dipping of either side in first aspect present invention～the 6th aspect.
Brief description of drawings
Fig. 1 is the skiagraph of the thermoplastic resin structure body process units of conventional long fibre enhancing.
Fig. 2 is the skiagraph of the example of pulling device of the present invention.
Symbol description
1a, the 1b tape loop
2 die head of right angle
12 resin inlets
15 figuration moulds
16 pulling devices
17 comminutors
18 fibre-opening unit havings
19 inlets
20 outlets
21 fiber rovings
The fiber roving of 22 molten resins dipping
The fiber roving of 23 resins dipping
30 cooling devices
31 driving wheels
32 free pulleys
33 rollers
The specific embodiment
Below, set forth the present invention with reference to the accompanying drawings.
Fig. 2 is the right skiagraph of belt of the present invention that is used for vertically (direction that the fiber roving of resin dipping advances) intercepting.Label 1a and 1b respectively represent tape loop (being abbreviated as belt).The driving wheel of label 31 representative drivings and mobile belt.Label 32 is represented free pulley, and label 33 is represented roller.At least one movably and another is to fix in following belt and the last belt.Movable belt moves up and down the fiber roving 23 that separates and clip the resin dipping to two belts.
The fiber roving 23 of importantly supplying with the right resin dipping of belt is cooled to 25～100 ℃, preferably to 50～80 ℃, more preferably to 60～70 ℃.The feed temperature of the fiber roving 23 of this resin dipping is too high, and degraded, the yarn thigh that can cause strapping becomes flat and be difficult in step subsequently by comminutor cutting fibre rove.On the contrary, the temperature of fiber roving 23 coolings of this resin dipping is low excessively, the life-span of uneconomical on Btu utilization, easy formation material bits and shortening comminutor cutting blade.
To parallel belt the number of the fiber roving 23 of the resin dipping of supply there is not special restriction.Yet the number of the fiber roving 23 of resin dipping is more than 1 or 1, and is preferred more than 10 or 10, more preferably more than 50 or 50, and for example is more than 100 or 100 usually.
About the size of pulling device, the width of belt is determined by the number of the fiber roving 23 of the resin dipping of wanting parallel processing to handle.The length that contacts between the fiber roving 23 of belt and resin dipping is preferably 500mm or longer, more preferably 1000mm or longer.Too short contact length not only reduces drawing fiber roving power, and quickens the wearing and tearing of belt.
About the ability of pulling device, every of the fiber roving (23) of 1～100 resin dipping can be at drawing gravitation, the 0.1kgf/cm of 1kgf (9.8N)～50kgf (490N)
2(9,800Pa)～5kgf/cm
2Drawing under belt surface pressure (0.49MPa) and the pull speed of 3～80m/min..
The tape loop that is used for pulling device has macroscopical flat structure, but preferably has the micro-rough surface.Like this, belt surface preferably is able to take polishing or polishing.
The tape loop that is used for pulling device has the surface of polyurethane elastomer.Used band internal layer comprises reinforcing agent such as synthetic resin fiber, synthetic resin fabric or makes the wire of core.This tape loop preferably comprises wire.Comprising reinforcing agent is to be made by polyurethane elastomer, other natural rubber, SBR, acrylonitrile-butadiene rubber, chloroprene rubber or silicon rubber or other as layer wiry.Making lip-deep polyurethane elastomer layer by different materials and comprising under the situation of metal wire layer, coming bonding with adhesive, solvent or heating between the layer.
From the life-span of belt, especially, the wearability of belt or suchlike viewpoint consider, polyurethane elastomer is the polyurethane elastomer of polyesters or the polyurethane elastomer of polycarbonate polyester class preferably.
The case hardness of polyurethane elastomer, promptly Xiao A hardness is preferably 50～80, and more preferably 55～75.When Xiao A hardness is more much lower than above-mentioned scope, cause the degraded that belt is serious, and this Xiao A hardness is bigger when many than above-mentioned, causes that then rove gets loose in the drawing process and the rove distortion.
Below by the production of the resin structure that long fibre strengthens is described with reference to figure 1.The inlet 19 that fiber roving 21 is supplied with in the die head of right angle 2, molten resin infeeds from resin charge door 12.In dipping part 14, the fiber roving dipping is gone up resin, and product is discharged from the figuration mould 15 that is arranged on die head of right angle 2 outlets as the fiber roving 22 of molten resin dipping.
Fiber roving 21 preferably becomes plane by the pair roller shredding in advance that fibre-opening unit having 18 for example presss from both sides fiber roving 21, helps the fiber roving dipping whereby and goes up resin.
In fact, for example, assemble per 5 of 30 fiber rovings a branch of, and make 6 bundle rove shreddings by pair roller.
Dipping part 14 in a narrow sense says only have the right-angle handpiece structure, wherein fiber roving 21 and the resin combination of flooding usefulness.Perhaps, dipping part 14 has sensu lato right-angle handpiece structure, and it also comprises the part of impelling fiber roving 21 even impregnating resins subsequently.
Dipping part 14 does not have special restriction, and can be by the combination of baffle plate, the combination of baffle plate and roller, formations such as the combination of roller.
The example of baffle combination is the pair of planar baffle plate, and it is undulate on the drawing direction of thermoplastic resin-impregnated fibers rove.
Many figurations hole is arranged in figuration mould 15.In die head of right angle, supply many fiber rovings usually, and a branch of fiber roving that is used to flood of some fibre rove set becoming is arranged.Some fiber rovings that are used to flood are arranged in the plane pattern.Like this, in figuration mould 15, these figuration holes are arranged embarks on journey or meander-like.
These fiber rovings are the fiber roving with resin dipping of the section configuration that requires by the every bundle in figuration hole by figuration, and every bundle rove is desired shape such as pencil, band shape or sheet by figuration.
Die head of right angle or figuration mould are preferably worked under temperature control.Temperature is controlled and is comprised, for example: detect the temperature in the mould, as the temperature near resin charge door part; And the heating consistent with design temperature.Used heater does not have special restriction.Yet, by in mould with the method for heater method as attached electric heater unit in mould, or the method for circulation heat medium can both be finished heating in mould.Perhaps, by also finishing heating with the method for infrared ray, hot-air or the external heat from mould like that.Wherein, in mould, carry out electrical heating or to heat from the mould outside be preferred.
The fiber roving 22 that the molten resin of discharging from figuration mould 15 floods cools off the cooling device 30 of curing schedule subsequently fully by being arranged on resin, obtains the fiber roving 23 of resin dipping whereby.
In the back of cooling device 30, there is the present invention to be used for drawing of fiber roving 23 of clamping resin dipping and gets device 16.In when beginning operation, the fiber roving that not have a resin on the dipping by die head of right angle, figuration mould, cooling device, draw the comminutor of getting device and being provided with as required.The various conditions of getting device are drawn in adjustment, and make fiber roving begin to flood resin.Change various conditions and make it to become the normal condition that is suitable for obtaining under the stable state product.
The yarn thigh that the pitch based fiber rove 23 of discharging can be used as this fiber roving is transferred to molded and shaped step.But; usually; for the fiber roving 23 that makes the resin dipping carries out forming processes such as injection moulding; be provided with comminutor 17 drawing the downstream of getting device 16; and fiber roving is cut into predetermined length; make resin particle or the resin particle of short fiber enhancing, the preferably resin particle of long fibre enhancing that long fibre strengthens whereby.
Every grain length degree of the resin particle that long fibre strengthens is 3～50mm, preferred 5～40mm, more preferably 5～30mm.
When particle length is littler when many than above-mentioned scope, damaged the advantage that long fibre strengthens.On the contrary, when particle length is bigger when many than above-mentioned scope, the problem that causes that the extruder hopper is jammed etc. causes the trouble on the feed
The fiber/resin weight ratio of the fiber roving 23 of resin dipping is 70%/30%～20%/80%, is preferably 65%/35%～25%/75%, more preferably 63%/37%～30%/70% (fiber and resin summation are 100%) here.
The resin of dipping and the ratio of fiber are damaged the abundant impregnating resin of fiber less than above-mentioned scope.On the contrary, when its ratio during, bring shortcoming economically greater than above-mentioned scope.
The material that is used for the present invention's fiber roving does not have special restriction.Its examples of material comprises: glass fibre such as E-glass and D-glass; Carbon fiber such as polyacrylonitrile-based carbon fibre, asphalt base carbon fiber and artificial silk base carbon fibre; Inorfil such as boron fibre and mineral fibres; Metallic fiber such as stainless steel and brass; Polyethylene fibre, polyformaldehyde fibre, vinal, liquid crystal aromatic polyester fiber, dacron fibre, Fanglun 1414 and the Fanglun 1313 of aromatic arginyl amine fiber as having super high molecular weight; Organic fiber such as polyacrylonitrile fibre, cotton and cellulose fibre such as jute; And composition thereof.Wherein, glass fibre preferably.
The shape of fiber roving does not have special restriction, and any continuous fiber such as rove or yarn can use.In the present invention, rove is the general term of any continuous fiber such as rove or yarn.
In addition, in order to make the better and resin adhesion of fiber, fiber can be through the processing of surface conditioning agent.Fiber floods the molten thermoplastic resin subsequently in die head of right angle before, preferably reinforcing fiber bundles is heated in advance high temperature and it is contacted with molten resin.In addition, preferably reinforcing fiber bundles is got roller and carried out shredding as drawing by fibre-opening unit having in advance.
The resin material that uses can be resin such as crystalline resins, noncrystalline resin, biodegradable resin, abiotic degradable resin, synthetic resin, natural resin, resins for universal use, engineering resin or the polymer alloy of any type.The example of this resin material comprises: polyolefin such as polyethylene and polypropylene; Polyvinyl chloride; Polystyrene; Aromatic polyester such as PET and polybutylene terephthalate; Aliphatic polyester such as poly-succinic second diester, poly-adipic acid fourth diester and contain the terpolymer of poly-succinic second diester, poly-adipic acid fourth diester and caprolactone; Polyamide such as nylon 6, nylon 66, nylon 11, nylon 12, NYLON610, nylon 612 and nylon 46; And engineering resin such as polyacetals, Merlon, polyurethanes, polyphenylene sulfide, polyphenylene oxide, polysulfones, polyether-ketone, polyetheramides and PEI.The use that can combine of two or more resins.Usually, the resin of use preferably has the HMW that is fit to various molding process such as injection moulding and extrusion modling.In addition, when having only resin to immerse fiber, used resin preferably can show enough enhancing effects.
In addition, the structure of the thermoplastic resin that strengthens according to long fibre of the present invention can mix with resin additive or filler on demand.The example comprises: antioxidant; Stabilizing agent such as heat-resisting stabilizing agent or ultra-violet absorber; Antistatic additive; Lubricant; Plasticizer; Releasing agent; Fire retardant; Flame retardant; Crystallization promoter; Colouring agent such as dyestuff or pigment; And filler such as talcum.Resin additive or filler can be pre-mixed in the thermoplastic resin and re-use.
In addition, the present invention can also be used to form the mould of the film of continuous fiber dipping or sheet and be used to form the mould of the pipe of continuous fiber dipping.
Embodiment
Hereinafter, more specifically set forth the present invention with reference to embodiment.But the present invention is not limited to these embodiment.
In an embodiment, use following products.
Resin: modified polypropene is as the resin of dipping usefulness.The method that obtains modified polypropene is: in the polypropylene 2 of the maleic anhydride of interpolation 1wt% and 500ppm, and 5-dimethyl-2,5-two (t-butyl peroxy) hexin-3; And be beneficial to reaction in 200 ℃ of whole materials of following melt kneading.
Fortifying fibre: every 4,000 filamentary bundles of glass (through typing) with 17 μ m diameters use as fibre glass roving.
Every 24,000 single carbon fibers (through typing) with 7 μ m diameters use as a branch of carbon fiber rove.
Embodiment 1
Use the thermoplastic resin structure body process units of long fibre enhancing shown in Figure 1 and pulling device shown in Figure 2.Used belt has the superficial layer of polyesters polyurethane (Xiao A hardness is 70) and has the chloroprene rubber internal layer that wire strengthens, and two-layer bonding through adhesive.Supply 30 fibre glass rovings and assemble 6 bundle, in addition shreddings.By extruder supply melt polypropylene, make the fibre glass roving bundle pass through die head of right angle again so that flood resin down at 260～280 ℃.The fiber roving of molten resin dipping with 15m/min speed from the figuration mould, pull out, be cooled to 65 ℃, cut off by comminutor again, obtaining each whereby, to have fibre density be that 50wt% and length are the particle of 11mm.Can produce continuously 1,000 hour, and on belt surface, not observe anomaly, not variable color of particle, and the pull speed of the fiber roving of resin dipping does not reduce yet.
Embodiment 2
Except superficial layer changed polyesters polyurethanes (Xiao A hardness 60) into, particle adopted the mode identical with embodiment 1 to produce.Produce continuous 1,000 hour, and on the surface of belt, do not observe anomaly.Particle is variable color not, and the pull speed of the fiber roving of resin dipping does not reduce yet.
Comparative Examples 1
Except use has the belt (Xiao A hardness is 50) on carbon black acrylonitrile-butadiene rubber surface, by producing particle with embodiment 1 same way as.Produce and carried out continuously 50 hours, on the surface of belt, form the wearing and tearing scar.After production was carried out 100 hours continuously, the scar of wearing and tearing obviously enlarged and the fibre bundle surface stain.Therefore, production stops.
Comparative Examples 2
Except use has the belt (Xiao A hardness 60) of carbon black silastic surface, by producing particle with embodiment 1 same way as.Produce and continue 100 hours, formation wearing and tearing scar on the surface of belt.Produce and continue after 150 hours the surface stain of obvious expansion of wearing and tearing scar and fibre bundle.Therefore, production stops.
Comparative Examples 3
Except use has the belt (Xiao A hardness 70) of carbon black silastic surface, by producing particle with embodiment 1 same way as.Produce and continue 100 hours, formation wearing and tearing scar on the surface of belt.Production continued after 150 hours, and the wearing and tearing scar obviously enlarges, and the surface stain of fibre bundle.Therefore, production stops.
Industrial applicibility
The present invention can make the fiber roving of a large amount of resin-dippings carry out for a long time the high speed drawing and need not Change belt, and can produce continuously, effectively and economically the resin structure of long fiber reinforcement.
Claims (7)
1. pulling device that is used for thermoplastic resin-impregnated fibers rove (23), this fiber roving (23) is to cool off by the fiber roving (22) that the molten resin that will discharge from the figuration mould (15) of fiber reinforced thermoplastic resin structure process units floods to obtain, this pulling device that is used for thermoplastic resin-impregnated fibers rove (23) is characterised in that and comprises a pair of tape loop that wherein this tape loop surface that contacts with the fiber roving (23) of resin dipping is made by polyurethane elastomer.
2. according to the pulling device that is used for the thermoplastic resin-impregnated fibers rove of claim 1, wherein polyurethane elastomer comprises the polyesters polyurethane elastomer.
3. according to the pulling device that is used for the thermoplastic resin-impregnated fibers rove of claim 1 or 2, wherein polyurethane elastomer has 50～80 Xiao A hardness.
4. according to each the pulling device that is used for the thermoplastic resin-impregnated fibers rove in the claim 1～3, wherein the internal layer of each tape loop has the wire that is used to strengthen.
5. according to each the pulling device that is used for the thermoplastic resin-impregnated fibers rove in the claim 1～4, it is characterized in that being cooled to every pulling force, the 0.1kgf/cm of fiber roving (23) of 1～100 resin dipping of 25～100 ℃ at 1kgf (9.8N)～50kgf (490N)
2(9,800Pa)～5kgf/cm
2Drawing under belt surface pressure (0.49MPa) and the pull speed of 3～80m/min.
6. according to each the pulling device that is used for the thermoplastic resin-impregnated fibers rove in the claim 1～5, wherein: the band of this drawing has 150mm or wideer width; Contact length between the fiber roving (23) of band and resin dipping is 500mm or longer.
7. method that produces the thermoplastic resin structure body that long fibre strengthens, this method are used in claim 1～6 each the pulling device that is used for the thermoplastic resin-impregnated fibers rove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004202335 | 2004-07-08 | ||
| JP202335/2004 | 2004-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1819903A true CN1819903A (en) | 2006-08-16 |
Family
ID=35783951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005800005894A Pending CN1819903A (en) | 2004-07-08 | 2005-07-06 | Take-off device for filament-reinforced resin structure and process for producing said structure |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4516073B2 (en) |
| KR (1) | KR20070029035A (en) |
| CN (1) | CN1819903A (en) |
| WO (1) | WO2006006614A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104602863A (en) * | 2012-06-25 | 2015-05-06 | 维斯塔斯风力系统有限公司 | A method and an apparatus for providing a tapered edge on a sheet comprising a fibrous material |
| CN107405842A (en) * | 2015-02-13 | 2017-11-28 | 赫克赛尔合成两合公司 | Pultrusion equipment and method |
| CN111212714A (en) * | 2017-10-16 | 2020-05-29 | 费德玛有限责任两合公司 | Device and method for impregnating fiber bundles with polymer melt |
| CN111873489A (en) * | 2020-07-30 | 2020-11-03 | 上海电气风电集团股份有限公司 | Plate processing equipment, plate pultrusion process and plate |
| CN113604921A (en) * | 2021-07-13 | 2021-11-05 | 开滦（集团）有限责任公司 | Polyformaldehyde staple fiber yarn and manufacturing method thereof |
| CN116021806A (en) * | 2021-10-25 | 2023-04-28 | 重庆国际复合材料股份有限公司 | Infiltration device and method for preparing LFT-G composite material |
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| TWI504414B (en) | 2010-06-04 | 2015-10-21 | Bayer Schering Pharma Ag | Method for production of f-18 labeled aβ ligands |
| CN108099051B (en) * | 2017-12-18 | 2023-07-07 | 金发科技股份有限公司 | Melt impregnation equipment and melt impregnation method |
| KR102408314B1 (en) * | 2021-02-10 | 2022-06-14 | 주식회사 신성소재 | Pultrusion apparatus by injection |
| WO2022175723A1 (en) * | 2021-02-17 | 2022-08-25 | Universidade Do Minho | Impregnation device to produce continuous fibre reinforced thermoplastic filaments for 3d printing, and impregnation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK0517883T3 (en) * | 1990-12-27 | 1996-11-11 | Gates Rubber Co | High temperature polyurethanrem |
| JP3321240B2 (en) * | 1993-04-08 | 2002-09-03 | 住友化学工業株式会社 | Method for producing long fiber reinforced thermoplastic resin composition |
| JP2629130B2 (en) * | 1994-01-31 | 1997-07-09 | 株式会社ケー・エフ・シー | FRP rock bolt |
| JP3007418B2 (en) * | 1994-07-14 | 2000-02-07 | ザ ゲイツ コーポレイション | High temperature polyurethane / urea elastomer |
| JP2898896B2 (en) * | 1995-01-10 | 1999-06-02 | ニッタ株式会社 | Polyurethane belt |
| JPH10119141A (en) * | 1996-10-17 | 1998-05-12 | Sanyo Chem Ind Ltd | Apparatus and method for producing fiber reinforced resin molded product |
| JP2000343534A (en) * | 1999-06-04 | 2000-12-12 | Bando Chem Ind Ltd | Manufacture of polyurethane belt and polyurethane belt |
-
2005
- 2005-07-06 KR KR1020057021066A patent/KR20070029035A/en not_active Application Discontinuation
- 2005-07-06 WO PCT/JP2005/012883 patent/WO2006006614A1/en active Application Filing
- 2005-07-06 JP JP2006519631A patent/JP4516073B2/en active Active
- 2005-07-06 CN CNA2005800005894A patent/CN1819903A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602863A (en) * | 2012-06-25 | 2015-05-06 | 维斯塔斯风力系统有限公司 | A method and an apparatus for providing a tapered edge on a sheet comprising a fibrous material |
| CN104602863B (en) * | 2012-06-25 | 2017-04-26 | 维斯塔斯风力系统有限公司 | A method and an apparatus for providing a tapered edge on a sheet comprising a fibrous material |
| CN107405842A (en) * | 2015-02-13 | 2017-11-28 | 赫克赛尔合成两合公司 | Pultrusion equipment and method |
| CN107405842B (en) * | 2015-02-13 | 2019-12-06 | 赫克赛尔合成两合公司 | Pultrusion apparatus and method |
| CN111212714A (en) * | 2017-10-16 | 2020-05-29 | 费德玛有限责任两合公司 | Device and method for impregnating fiber bundles with polymer melt |
| CN111212714B (en) * | 2017-10-16 | 2022-05-10 | 费德玛有限责任两合公司 | Device and method for impregnating a fiber strand with a polymer melt |
| CN111873489A (en) * | 2020-07-30 | 2020-11-03 | 上海电气风电集团股份有限公司 | Plate processing equipment, plate pultrusion process and plate |
| CN113604921A (en) * | 2021-07-13 | 2021-11-05 | 开滦（集团）有限责任公司 | Polyformaldehyde staple fiber yarn and manufacturing method thereof |
| CN116021806A (en) * | 2021-10-25 | 2023-04-28 | 重庆国际复合材料股份有限公司 | Infiltration device and method for preparing LFT-G composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4516073B2 (en) | 2010-08-04 |
| WO2006006614A1 (en) | 2006-01-19 |
| KR20070029035A (en) | 2007-03-13 |
| JPWO2006006614A1 (en) | 2008-04-24 |
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