CN102416718A - Cluster fiber thermoplastic composite sheet material - Google Patents
Cluster fiber thermoplastic composite sheet material Download PDFInfo
- Publication number
- CN102416718A CN102416718A CN2011102074580A CN201110207458A CN102416718A CN 102416718 A CN102416718 A CN 102416718A CN 2011102074580 A CN2011102074580 A CN 2011102074580A CN 201110207458 A CN201110207458 A CN 201110207458A CN 102416718 A CN102416718 A CN 102416718A
- Authority
- CN
- China
- Prior art keywords
- fiber
- powder
- mixed
- sheet material
- clustered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 156
- 239000000463 material Substances 0.000 title claims abstract description 76
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 26
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 26
- 239000011812 mixed powder Substances 0.000 claims abstract description 62
- 238000002156 mixing Methods 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims description 37
- 239000010410 layer Substances 0.000 claims description 22
- 239000003365 glass fiber Substances 0.000 claims description 21
- 239000004743 Polypropylene Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 17
- 238000004062 sedimentation Methods 0.000 claims description 17
- 238000005520 cutting process Methods 0.000 claims description 11
- -1 polypropylene Polymers 0.000 claims description 11
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 230000000739 chaotic effect Effects 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 210000001161 mammalian embryo Anatomy 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 19
- 238000005452 bending Methods 0.000 abstract description 14
- 239000011159 matrix material Substances 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 13
- 239000000843 powder Substances 0.000 description 12
- 238000010410 dusting Methods 0.000 description 11
- 239000012528 membrane Substances 0.000 description 11
- 230000003068 static effect Effects 0.000 description 11
- 239000006185 dispersion Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000004927 fusion Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000001467 acupuncture Methods 0.000 description 4
- 238000001723 curing Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000032798 delamination Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention discloses a cluster fiber thermoplastic composite sheet material, comprising a sheet material upper superficial layer (37), an intermediate fiber and mixed powder matrix layer (35) and a sheet material lower superficial layer (36). The intermediate fiber and mixed powder matrix layer (35) is produced by the following steps: (1) fiber shearing; (2) pneumatic disperse-mixing-adherence; (3) mixing settlement to form net. The cluster fiber thermoplastic composite sheet material of the invention has enhanced shear behavior, strong tension and bending resistance mechanical properties at each direction, high puffed rate, low density, and high quality intensity, and is lightweight, humidity resistant, nontoxic and harmless.
Description
Technical field
The present invention relates to a kind of composite sheet, particularly relate to a kind of clustered fiber thermoplastic composite sheet material.
Background technology
No matter be the dry process or the fiber thermoplastic composite sheet material of wet processing preparation both at home and abroad at present; Like linen fiber composite plates material, PP glass composite board etc.; Because its technology, make that the fiber orientation is stronger in the matrix of sheet material, influence the mechanical index and the performance of sheet material.Dry process adopts combing, lapping, the needling process of non-textile technology; It is with fortifying fibre and meldable fibre after mixing, be prepared into Nomex through shredding, combing, lapping, acupuncture etc., acupuncture base felt through cure, compound, typing is prepared into fiber thermoplastic composite sheet material; Sheet base is laid by multilayer single fiber net and is formed; Fiber directionality is stronger, and the acupuncture fixed network is bigger to the damage of fiber, makes the vertical transverse strength ratio of composite board all greater than 1: 1.5; Combing acupuncture fiber base felt uniformity is relatively poor, causes the sheet material irregularity all 4%～7%; The sheet base of wet processing preparation is the paper technology manufacturing through having improved; It replaces the water in traditional slurry with foam; Usually slurry plays and carries fiber and mineral filler is formed the fiber base felt, the fiber base felt through hydrofuge, cure, compound, typing is prepared into composite board, sheet base is made up of the stack of multilayer single fiber net equally; Fiber receive liquid flow to influence directionality stronger, the vertical transverse strength ratio that causes wet processing composite board fiber is all greater than 1: 2.2.
Because above-mentioned thermoplastic composite sheet material process characteristic; Fibre web is laid and is superposeed by multilayer single fiber net and forms in the sheet material; Fiber is not had an isotropism; Make that sheet material vertical transverse strength ratio difference is different greatly, the sheet material anti-shearing force is relatively poor, height stretching gadget is remained by increasing material unit are grammes per square metre realize that the material reducing effect of lightweight is not remarkable at present.
Summary of the invention
Technical problem to be solved by this invention provides a kind of shear behavior and improves, and the tension of all directions and anti-bending mechanics performance are strong, and expansion rate is high, and density is low, group's clustered fiber thermoplastic composite sheet material that quality intensity is high.
In order to solve the problems of the technologies described above; Provided by the invention clustered fiber thermoplastic composite sheet material; Comprise sheet material upper surface layer, median fiber and mixed-powder base layer and sheet material undersurface layer; Described median fiber and mixed-powder base layer are to adopt the following steps production method: the filament of fixed length enters into the jet of pneumatic dispersing and mixing chamber via conveyance conduit under the effect of delivery air; Receive delivery air, rise to disperse air-flow and organize more side direction stir cut the mutual shear action of air-flow after, make the filament that enters into pneumatic dispersing and mixing chamber fully disperseed the group's of formation clustered fiber and fibre single thread; Simultaneously, group's clustered fiber and fibre single thread reaches even with the mixed-powder that sprays into and mixes and adhesion; Group's clustered fiber and fibre single thread receive ascending air and side direction to stir the effect that air-flow forms the flow field of cutting; Continuously be delivered to the mixing expansion chamber through conveyance conduit; The group's clustered fiber that is stained with mixed-powder descends slowly and lightly under the effect in gravity and flow field in becoming net sedimentation bucket with fibre single thread and mixed-powder; The group's clustered fiber that becomes net sedimentation bucket will be stained with mixed-powder is deposited in on the net conveyer belt with fibre single thread and mixed-powder uniformly; Successively the group's clustered fiber that is stained with mixed-powder of sedimentation and fibre single thread and the mixed-powder three-dimensional that formed the chaotic that multilayer superposes is rolled into a ball clustered fiber embryo felt, promptly certain width, thickness, roll into a ball clustered fiber and mixed-powder base layer uniformly.
Described mixed-powder is polypropylene, polyethylene, polyvinyl chloride, polyester, calcium carbonate, talcum powder, kaolin or fire retardant filler.
Described non-twist fiber roving is carbon fiber, glass fibre, flaxen fiber or wood-fibred.
Described fibre length is 10mm～150mm.
In described median fiber and the mixed-powder base layer, the mass ratio of group's clustered fiber and mixed-powder is 50～65: 50～35.
Adopt group's clustered fiber thermoplastic composite sheet material of technique scheme; The sheet material fiber dispersion, to become net be to adopt pneumatic dispersed with stirring, mix, settle into the network process device and accomplish; It with continuous fiber through loosening, disperse, shear fixed length; Fiber after the shearing gets into pneumatic dispersing and mixing chamber under the effect of delivery air; The fiber that enters into pneumatic dispersing and mixing chamber is progressively got into by ascending air and flow field effect to disperse stirring region, through disperseing the fibre bundle of stirring region, receive many group clockwise directions and contrary pin direction to cut the effect of swirling eddy with the flow field simultaneously; Make fibre bundle disperse stirring region progressively to be dispersed into crooked ultimate fibre and the group's clustered fiber that curls; In the time of the fibre bundle dispersed with stirring under the effect of static the adhesion section mixed-powder, the group's clustered fiber after disperse adhering to is delivered to continuously and is mixed into the solarium under the effect in flow field; Enter into the group's clustered fiber and the mixed-powder of the adhesion that is mixed into the solarium; Get into electrostatic powder atomizing zone owing to used by flow field and white recast, mixed-powder forms the electrostatic powder atomizing under the effect of dust air-flow and static regional, makes the group clustered fiber surface through this zone further evenly adhere to mixed-powder; Evenly mix group's clustered fiber and mixed-powder after adhering to air-flow and white resedimentation in becoming lace curtaining; The fiber and the polypropylene powder of successive sedimentation have formed mixed and disorderly unordered group bunch shape fibre web, and the stack of the continuous group of multilayer bunch shape fibre web has formed the three-dimensional group's clustered fiber and the mixed-powder base layer of chaotic, three-dimensional group's bunch shape median fiber of chaotic and the mixed-powder base layer agglomerating clustered fiber thermoplastic composite sheet material of preparation after toasting, finalizing the design.
Advantage of the present invention is because the sheet material medium-length fibre exists in the thermoplastic sheets with group's bunch shape form; Its molding mode is an overall structure; Form by paved in multi-layers unlike traditional product; Do the time spent in lateral external forces, do not have phenomenons such as delamination, lamellar spacing, layer and fault position, so its shear behavior is superior to like product; Secondly the fiber existence form has isotropism, so the tension of its all directions and anti-bending mechanics superior performance in like product, reduce vertical transverse strength ratio; In addition polypropylene PP mixed-powder can be according to the market demand of sheet material, carries out modification and fire-retardant and waits processing, satisfies the characteristic demand of fibre sheet material, and fiber does not receive the damage of mechanical fixed network, mechanical strength, the expansion rate of raising fiber composite board in the embryo felt.
Automobile interior inside gadget and building sound-absorbing decoration with the preparation of this clustered fiber thermoplastic compound plate have light weight, intensity is high, expansion rate is high, sheet material vertical transverse strength ratio is little, the advantage of sound-absorbing, heat insulation, environmental protection.
In sum, the present invention is that a kind of shear behavior improves, and the tension of all directions and anti-bending mechanics performance are strong, and expansion rate is high, and density is low, quality intensity height and have lightweight, humidity, nontoxic, harmless group's clustered fiber thermoplastic composite sheet material.
Description of drawings
Fig. 1 is the group's of making clustered fiber thermoplastic composite sheet material equipment overall diagram.
Fig. 2 is that pneumatic dispersion-mixing-static adheres to, settles into the net arrangement structural representation.
Fig. 3 is along A-A line cut-away view among Fig. 2.
Fig. 4 is a structural representation of the present invention;
Fig. 5 is 50 times of metallographs of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further.
Visible by Fig. 1, Fig. 2 and Fig. 3, fiber dispersion, static, shear structure are: metal guide wheel and rubber tire 1, licker-in 2, directive wheel 3 and shearing break bar 4 are arranged in order back butt joint awl bucket 5, bore bucket 5 butt joint conveyance conduits 6;
Pneumatic dispersion-mixing-static adheres to, sheds, settles into net arrangement and comprises: a bottom is the tapered unsteady dispersed gas distributions and the device of static distribution; Its inner cone bucket 10 is provided with the rising that is uniformly distributed with and disperses air-flow spout 12 and 4 groups of electrostatic atomisers 13; Inner cone bucket 10 is provided with jet 11; 11 pairs of jets are connected to jet-stream wind inlet 7 and conveyance conduit 6, and outer cone bucket 9 is provided with the import 8 of the air-flow that floats;
A pneumatic dispersing and mixing chamber 17 that is connected with outer cone bucket 9; Pneumatic dispersing and mixing chamber 17 is provided with stirs air-flow urceolus 16; The side direction that is provided with stirring air-flow urceolus 16 stirs and cuts air flow inlet 18; Pneumatic dispersing and mixing chamber 17 is provided with clockwise side direction and stirs and cut air-flow spout 14 and stir with side direction counterclockwise and cut air-flow spout 15; Clockwise side direction stirs and cuts air-flow spout 14 and side direction counterclockwise and stir and cut air-flow spout 15 each is formed by four～six groups respectively; The side direction stirring is cut air-flow spout 14 and is cut air-flow spout 15 not in same plane with counterclockwise side direction stirring clockwise; Pneumatic dispersing and mixing chamber 17 axially on alternately be provided with, clockwise side direction stir cut air-flow spout 14 and side direction counterclockwise stir cut air-flow spout 15 along the drum shaft of pneumatic dispersing and mixing chamber 17 to angle be 75～85 degree, cylindrical shell circumference tangential angle is 55～85 degree;
A transfer passage 21 that is connected with pneumatic dispersing and mixing chamber 17, unsteady gas plate 20 is provided with along the bottom camber line of transfer passage 21, and along the unsteady pore that the mass transport direction has 8～20 degree angles to be uniformly distributed with, is provided with the air flow inlet 19 that floats by unsteady gas plate 20;
A sedimentation mixing chamber 23 that is connected with transfer passage 21 other ends, sedimentation mixing chamber 23 is provided with four groups of electrostatic dusting spouts 22, and the bottom is for becoming to net sedimentation bucket 24.
Become 24 outlets of net sedimentation bucket to being connected into net conveyer belt 25; Become net conveyer belt 25 front ends to being connected to the first nonwoven running roller 28; Become on the net conveyer belt 25 after each becomes net sedimentation bucket 24, to be provided with running roller 26, become net conveyer belt 25 rear ends being connected to dusting device 27, high-temperature baking device 29, glued membrane running roller 30, the second nonwoven running roller 34, composite roll 31, chill roll 32 and shearing knife 33.
Referring to Fig. 4 and Fig. 5, group's clustered fiber thermoplastic composite sheet material comprises sheet material upper surface layer 37, median fiber and mixed-powder base layer 35 and sheet material undersurface layer 36, and median fiber and mixed-powder base layer 35 are to adopt the following steps production method:
(1), fiber dispersion, static, shearing: when non-twist fiber roving rolls through metal guide wheel and rubber tire 1, make it be with electrostatic charge 50～110KV; The fibre bundle that has electrostatic charge is through licker-in 2 card wire combings; Owing to receive the combing with licker-in 2 that rolls of metal and rubber roll 1; Further generation is slided relatively, loosens, is disperseed between the monofilament of fibre bundle, and after fibre bundle after the dispersion and monofilament got into shearing break bars 4 through directive wheel 3, being sheared became the filament that length is 10mm～150mm; Fibre bundle after the shearing drops in the awl bucket 5, and it is 5～20m that jet-stream wind inlet 7 feeds flow
3The delivery air of/h, this moment, fibre bundle was brought into conveyance conduit 6 owing to receive the suction function of delivery air;
(2), pneumatic dispersion-mixing-static adheres to: the filament after the shearing enters into the jet 11 of pneumatic dispersing and mixing chamber 17 via conveyance conduit 6 under the effect of delivery air; Receive delivery air, rise to disperse the rising of air-flow spout 12 to disperse air-flow and organize more clockwise side direction stir cut air-flow spout 14 and counterclockwise side direction stir cut side direction that air-flow spout 15 sprays stir cut the mutual shear action of air-flow after; Make the fibre bundle that enters into pneumatic dispersing and mixing chamber 17 fully disperseed the group's of formation clustered fiber and fibre single thread, it is 20～100m that the rising of the dispersion air-flow spout 12 that rises disperses the flow of air-flow
3/H, clockwise side direction stirs and cuts air-flow spout 14 and side direction counterclockwise and stir the side direction of cutting air-flow spout 15 to stir the flow of cutting air-flow be 40～120m
3/ h; Simultaneously; The particle diameter that group's clustered fiber that disperses and fibre single thread and 4 groups of electrostatic atomisers 13 spray into electrostatic charge 50～110KV is that the mixed-powder of 75 μ m～500 μ m is issued to even the mixing and adhesion in the effect of electrostatic field, and the mass ratio of filament and mixed-powder is 70～80: 20～30; Group's clustered fiber after disperseing, mix, adhering to and fibre single thread receive ascending air and side direction to stir the effect that air-flow forms the flow field of cutting; Continuously be delivered to and mix expansion chamber 23 through transfer passage 21; The unsteady gas plate 20 that transfer passage 21 bottoms are provided with provides the gas that floats to group's clustered fiber and fibre single thread in the transfer passage 21 unsteady power to be provided, and the flow of the air-flow of the gas plate 20 that floats is 10～60m
3/ h;
(3), mixing settles into net: group's clustered fiber and fibre single thread entering mixing expansion chamber 23 backs are carried out static by four groups of electrostatic dusting spouts 22 and are sprayed mixed-powder; Make it further adhere to a certain amount of mixed-powder, the mass ratio of fibre single thread and mixed-powder is 55～70: 30～45; The group's clustered fiber that is stained with mixed-powder descends slowly and lightly under the effect in gravity and flow field in becoming net sedimentation bucket 24 with fibre single thread and mixed-powder; The group's clustered fiber that becomes net sedimentation bucket 24 will be stained with mixed-powder is deposited in on the net conveyer belt 25 with fibre single thread and mixed-powder uniformly; Successively the group's clustered fiber that is stained with mixed-powder of sedimentation and fibre single thread and the mixed-powder three-dimensional that formed the chaotic that multilayer superposes is rolled into a ball tufted fibrous web, promptly certain width, thickness, roll into a ball clustered fiber and mixed-powder base layer 35 uniformly;
(4), basic felt dusting: evenly roll into a ball clustered fiber and mixed-powder base layer 35 and after running roller 26 typings, handle basic felt surface, make its surface form 25g/m through dusting device 27 dustings
2～45g/m
2The mixed-powder layer to improve the flatness of plate surface, improves the intensity quality and the apparent mass of composite board;
(5), baking composite setting: the basic felt that step (4) is formed is accomplished hydrofuges, softening, fusion, plasticizing through high-temperature baking device 29; Basic felt after the plasticizing is through composite roll 31, chill roll 32 composite settings; Accomplish the shearing of compound, the shearing knife 33 of nonwoven that the nonwoven running roller 28 of sheet material provides, glued membrane that glued membrane running roller 30 provides then; Formation has certain intensity, the continuous group's clustered fiber thermoplastic composite sheet material of thickness, and promptly group's bunch shape glass fibre strengthens plastic composite board material.
Above-mentioned mixed-powder is polypropylene, polyethylene, polyvinyl chloride, polyester, calcium carbonate, talcum powder, kaolin or fire retardant filler.
Above-mentioned non-twist fiber roving is carbon fiber, glass fibre, flaxen fiber or wood-fibred.
The metal guide wheel of roving glass fiber bundle by this device and rubber tire 1, licker-in 2, directive wheel 3, shearing break bar 4 in this technology; Be treated as fibre bundle and monofilament necessarily loose, fixed length, the fibre bundle of cut-out and monofilament by delivery air through conveyance conduit 6 and jet 11 to pneumatic dispersing and mixing chamber 17; Fibre bundle and monofilament stir in delivery air, the dispersion air-flow that rises, clockwise and counterclockwise side direction and cut air-flow, reach under the effect of static mixed-powder air-flow; The abundant dispersion of having accomplished fibre bundle forms cluster shape fiber, and reaches the adhesion that mixes of fibre single thread and static mixed-powder; Mix the glass fiber that adheres to and deliver to mixing expansion chamber 23 through transfer passage 21; Mix the cluster shape fiber and the filament that adhere to and pass through electrostatic dusting; Make a certain amount of static mixed-powder of its progressive adhesion; Adhere to static mixed-powder fibre single thread and static mixed-powder; Ground descends slowly and lightly in becoming net sedimentation bucket 24 under the effect of gravity and air velocity distribution, becomes net sedimentation bucket 24 filament and mixed-powders with mixing to be deposited in into uniformly on the net conveyer belt 25, according to the technology requirement of product; By the pneumatic combining form that is dispersed into net arrangement of varying number, make cluster shape fiber, fibre single thread, the mixed-powder base felt of the unordered disorder of fiber of certain width, thickness, surface density; The base felt is through typing, dusting, nonwoven, baking, glued membrane, composite setting, cooling and shaping, shear; Accomplish the operations such as typing, cooling, curing, shearing of the compound and sheet material of softening, fusion, glued membrane, nonwoven, be prepared into have certain intensity, cluster shape glass fibre that thickness is continuous strengthens plastic composite board material.
The present invention compares with existing technology; Because the sheet material medium-length fibre exists in the thermoplastic sheets with group's bunch shape form; Its molding mode is an overall structure, is made up of paved in multi-layers unlike traditional product, does the time spent in lateral external forces; There are not phenomenons such as delamination, lamellar spacing, layer and fault position, so its shear behavior is superior to like product; Secondly the fiber existence form has isotropism, so the tension of its all directions and anti-bending mechanics superior performance in like product, reduce vertical transverse strength ratio; In addition mixed-powder can be according to the market demand of sheet material, carries out modification and processing such as fire-retardant, satisfies the characteristic demand of fibre sheet material; And fiber does not receive the damage of mechanical fixed network in the embryo felt, can also form the combination of the sandwich structure of sheet material through the every group of pneumatic dispersed with stirring-fiber of one-tenth net arrangement of adjustment and the ratio of mixed-powder; Improve the expansion rate of sheet material, reduce density, increase the quality of sheet material; This technological process is simple simultaneously; Equipment investment is few, and energy consumption is low, advantages such as environmental protection and easy formation large-scale industrialized production.
Adopt the glass fibre of this prepared to strengthen plastic composite board material, through test, physical indexs such as this light weight board hot strength, stretch modulus, bending strength, bending modulus are superior.
Below through embodiment related content of the present invention is further specified.
Embodiment 1:
The diameter dimension of pneumatic dispersing and mixing chamber 17 is 800mm, conveyance conduit 6 diameters are Φ 20mm, rise to disperse air-flow spout 12 diameter of phi 15mm, clockwise side direction stir cut air-flow spout 14 and counterclockwise side direction stir the diameter of cutting air-flow spout 15 and be Φ 10mm.
Get the raw materials ready: alkali-free glass fibre 2400tex (roving, density 2.35g/cm
3, diameter 13 μ m), the glass fiber bundle sheared length is 50～75mm, 145#PP powder (density 0.91g/cm
3, 80 orders), the glue face adopts PP film 55g/m
2, nonwoven adopts the spunlace non-woven cloth 100g/m that is compounded with PE glue face
2(PE film 45g/m wherein
2, PET spunlace non-woven cloth 55g/m
2).
Glass delivery air speed is 4m/s, and the dispersion air velocity that rises is 3m/s, and it is 2.0m/s that side direction stirs the speed of cutting air-flow.
By the even basic felt that settles into the chaotic three-dimensional arrangement that net arrangement processes; Devices such as the base felt is compound through dusting, nonwoven, baking, glued membrane, composite roll, cooling and shaping, shearing; Accomplish the operations such as typing, cooling, curing, shearing of the compound and sheet material of softening, fusion, glued membrane, nonwoven; The glass fibre that is prepared into strengthens plastic composite board material, sheet material surface density 1570g/m
2, panel density 0.69g/cm
3, sheet metal thickness δ 3.2mm, through the test, sheet material hot strength 13.72Mpa, bending strength 10.97Mpa, elongation at break 3.12%.
Embodiment 2:
The diameter dimension of pneumatic dispersing and mixing chamber 17 is 600mm, conveyance conduit 6 diameters are Φ 18mm, rise to disperse air-flow spout 12 diameter of phi 15mm, clockwise side direction stir cut air-flow spout 14 and counterclockwise side direction stir the diameter of cutting air-flow spout 15 and be Φ 10mm.
Get the raw materials ready: alkali-free glass fibre 2400tex (roving, density 2.35g/cm
3, diameter 13 μ m), the glass fiber bundle sheared length is 50～75mm, 145#PP powder (density 0.91g/cm
3, 80 orders), polyethylene (PE) powder (density 0.95g/cm
3, 60 orders), the glue face adopts PP film 55g/m
2, nonwoven adopts needle punched non-woven fabrics 80g/m
2
Glass delivery air speed is 5m/s, and the dispersion air velocity that rises is 4m/s, and it is 3m/s that side direction stirs the speed of cutting air-flow.
By the even basic felt that settles into the chaotic three-dimensional arrangement that net arrangement processes; Devices such as the base felt is compound through dusting, nonwoven, baking, glued membrane, composite roll, cooling and shaping, shearing; Accomplish the operations such as typing, cooling, curing, shearing of the compound and sheet material of softening, fusion, glued membrane, nonwoven; The glass fibre that is prepared into strengthens plastic composite board material, sheet material surface density 1550g/m
2, panel density 0.62g/cm
3, sheet metal thickness δ 3.0mm, through the test, sheet material hot strength 14.78Mpa, bending strength 12.68Mpa, elongation at break 2.96%.
Embodiment 3:
The diameter dimension of pneumatic dispersing and mixing chamber 17 is 500mm, the glass pipe diameter is Φ 25mm, rise to disperse the diameter of phi 15mm of air-flow spout 12, clockwise side direction stir cut air-flow spout 14 and counterclockwise side direction stir the diameter of cutting air-flow spout 15 and be Φ 8mm.
Get the raw materials ready: alkali-free glass fibre 2400tex (roving, density 2.35g/cm
3, diameter 13 μ m), the glass fiber bundle sheared length is 70～75mm, 145#PP powder (density 0.91g/cm
3, 80 orders), polyethylene (PE) powder (density 0.95g/cm
3, 60 orders), the glue face adopts PP film 55g/m
2, nonwoven adopts needle punched non-woven fabrics 80g/m
2
Glass delivery air speed is 3.5m/s, and the dispersion air velocity that rises is 3m/s, and it is 2.5m/s that side direction stirs the speed of cutting air-flow.
By the even basic felt that settles into the chaotic three-dimensional arrangement that net arrangement processes; Devices such as the base felt is compound through dusting, nonwoven, baking, glued membrane, composite roll, cooling and shaping, shearing; Accomplish the operations such as typing, cooling, curing, shearing of the compound and sheet material of softening, fusion, glued membrane, nonwoven; The glass fibre that is prepared into strengthens plastic composite board material, sheet material surface density 1620g/m
2, panel density 0.58g/cm
3, sheet metal thickness δ 3.5mm, through the test, sheet material hot strength 15.16Mpa, bending strength 12.83Mpa, elongation at break 3.76%.
Embodiment 4:
Get the raw materials ready: alkali-free glass fibre 2400t ex (roving, density 2.35g/cm
3, diameter 13 μ m), the glass fiber bundle sheared length is 60mm, 145# polypropylene PP powder (density 0.91g/cm
3, 80 orders), the mass ratio of glass and PP powder is 65: 35.
The clustered fiber thermoplastic compound plate face density 1570g/m of the present invention group
2, panel density 0.67g/cm
3, sheet metal thickness δ 3.2mm, through the test, sheet material transverse bending strength 13.08Mpa, sheet material longitudinal tensile strength 12.65Mpa; Sheet material transverse bending strength 8.10Mpa, sheet material buckling strength 9.08Mpa; Sheet material cures back expansion rate 520%.
Embodiment 5:
Get the raw materials ready: alkali-free glass fibre 2400tex (roving, density 2.35g/cm
3, diameter 13 μ m), the glass fiber bundle sheared length is 55mm, 145#PP powder (density 0.91g/cm
3, 80 orders), the mass ratio of glass and PP powder is 63: 37.
The clustered fiber thermoplastic compound plate face density 1550g/m of the present invention group
2, panel density 0.72g/cm
3, sheet metal thickness δ 3.0mm, through the test, sheet material transverse bending strength 13.78Mpa, sheet material longitudinal tensile strength 12.67Mpa; Sheet material transverse bending strength 11.40Mpa, sheet material buckling strength 10.97Mpa; Sheet material cures back expansion rate 580%.
Claims (5)
1. group's clustered fiber thermoplastic composite sheet material; Comprise sheet material upper surface layer (37), median fiber and mixed-powder base layer (35) and sheet material undersurface layer (36); It is characterized in that: described median fiber and mixed-powder base layer (35) are to adopt the following steps production method: the filament of fixed length enters into the jet of pneumatic dispersing and mixing chamber via conveyance conduit under the effect of delivery air; Receive delivery air, rise to disperse air-flow and organize more side direction stir cut the mutual shear action of air-flow after, make the filament that enters into pneumatic dispersing and mixing chamber fully disperseed the group's of formation clustered fiber and fibre single thread; Simultaneously, group's clustered fiber and fibre single thread reaches even with the mixed-powder that sprays into and mixes and adhesion; Group's clustered fiber and fibre single thread receive ascending air and side direction to stir the effect that air-flow forms the flow field of cutting; Continuously be delivered to the mixing expansion chamber through conveyance conduit; The group's clustered fiber that is stained with mixed-powder descends slowly and lightly under the effect in gravity and flow field in becoming net sedimentation bucket with fibre single thread and mixed-powder; The group's clustered fiber that becomes net sedimentation bucket will be stained with mixed-powder is deposited in on the net conveyer belt with fibre single thread and mixed-powder uniformly; Successively the group's clustered fiber that is stained with mixed-powder of sedimentation and fibre single thread and the mixed-powder three-dimensional that formed the chaotic that multilayer superposes is rolled into a ball clustered fiber embryo felt, promptly certain width, thickness, roll into a ball clustered fiber and mixed-powder base layer (35) uniformly.
2. according to claim 1 clustered fiber thermoplastic composite sheet material is characterized in that: described mixed-powder is polypropylene, polyethylene, polyvinyl chloride, polyester, calcium carbonate, talcum powder, kaolin or fire retardant filler.
3. according to claim 1 and 2 clustered fiber thermoplastic composite sheet material is characterized in that: described non-twist fiber roving is carbon fiber, glass fibre, flaxen fiber or wood-fibred.
4. according to claim 1 and 2 clustered fiber thermoplastic composite sheet material is characterized in that: described fibre length is 10mm～150mm.
5. according to claim 1 and 2 clustered fiber thermoplastic composite sheet material is characterized in that: in described median fiber and the mixed-powder base layer, the mass ratio of group's clustered fiber and mixed-powder is 50～65: 50～35.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110207458.0A CN102416718B (en) | 2011-07-22 | 2011-07-22 | Cluster fiber thermoplastic composite sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110207458.0A CN102416718B (en) | 2011-07-22 | 2011-07-22 | Cluster fiber thermoplastic composite sheet material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102416718A true CN102416718A (en) | 2012-04-18 |
| CN102416718B CN102416718B (en) | 2014-01-01 |
Family
ID=45941483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110207458.0A Active CN102416718B (en) | 2011-07-22 | 2011-07-22 | Cluster fiber thermoplastic composite sheet material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102416718B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738046A (en) * | 2013-12-02 | 2014-04-23 | 合肥杰迈特汽车新材料有限公司 | Processing method for light GMT sheet material |
| CN105778334A (en) * | 2016-03-16 | 2016-07-20 | 南京航空航天大学 | Glass fiber-thermoplastic plastic granules and method for preparing same |
| CN110048036A (en) * | 2019-04-19 | 2019-07-23 | 桑顿新能源科技有限公司 | Reinforcing rib piece and preparation method thereof, battery core and preparation method thereof and soft-package battery |
| CN114249038B (en) * | 2021-12-07 | 2023-05-05 | 南通中集翌科新材料开发有限公司 | Composite floor center sill and container |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020100548A1 (en) * | 2000-12-06 | 2002-08-01 | Japan Vilene Company, Ltd. | Powders-affixed nonwoven fabric, process for manufacturing same, and sheet material containing same |
| CN101132907A (en) * | 2004-12-28 | 2008-02-27 | 纳幕尔杜邦公司 | Filtration media for filtering particulate material from gas streams |
-
2011
- 2011-07-22 CN CN201110207458.0A patent/CN102416718B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020100548A1 (en) * | 2000-12-06 | 2002-08-01 | Japan Vilene Company, Ltd. | Powders-affixed nonwoven fabric, process for manufacturing same, and sheet material containing same |
| CN101132907A (en) * | 2004-12-28 | 2008-02-27 | 纳幕尔杜邦公司 | Filtration media for filtering particulate material from gas streams |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738046A (en) * | 2013-12-02 | 2014-04-23 | 合肥杰迈特汽车新材料有限公司 | Processing method for light GMT sheet material |
| CN105778334A (en) * | 2016-03-16 | 2016-07-20 | 南京航空航天大学 | Glass fiber-thermoplastic plastic granules and method for preparing same |
| CN105778334B (en) * | 2016-03-16 | 2018-04-03 | 南京航空航天大学 | A kind of glass fiber thermoplastic plastic granule and preparation method thereof |
| CN110048036A (en) * | 2019-04-19 | 2019-07-23 | 桑顿新能源科技有限公司 | Reinforcing rib piece and preparation method thereof, battery core and preparation method thereof and soft-package battery |
| CN110048036B (en) * | 2019-04-19 | 2024-05-17 | 桑顿新能源科技有限公司 | Reinforcing rib sheet and preparation method thereof, battery cell and preparation method thereof, and soft package battery |
| CN114249038B (en) * | 2021-12-07 | 2023-05-05 | 南通中集翌科新材料开发有限公司 | Composite floor center sill and container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102416718B (en) | 2014-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102416717B (en) | Production method of cluster-shaped fiber thermoplastic composite sheet material | |
| CA1262519A (en) | Fibre reinforced plastics structures | |
| CN1958946B (en) | Dry-process papermaking machine through meshwork formed by airflow method | |
| CN100540594C (en) | Utilize wet method to use the thermoplastic composite of chopped strand thigh (WUCS) | |
| CN102350254A (en) | Cluster fiber pneumatic stirring, dispersing and netting device | |
| US6451167B1 (en) | Wetlay process for manufacture of highly-oriented fibrous mats | |
| US5269049A (en) | Process and apparatus for dry forming of a material web from a long-fiber material | |
| CN102416718B (en) | Cluster fiber thermoplastic composite sheet material | |
| WO2017088721A1 (en) | Manufacturing methods for inner core material used for vacuum insulation panel and vacuum insulation panel | |
| CN101204825A (en) | Air current method forming net dry method paper machine | |
| CN112831920B (en) | Processing method of pure down wadding | |
| CN102535081A (en) | Non-woven fabric and process for producing same | |
| KR20180074718A (en) | Cellulose-based thermal insulation material and manufacturing method thereof | |
| CN102251348B (en) | Pneumatic stirring dispersion device for clustered fibers | |
| CN201012514Y (en) | Gas flow web formation dry way paper machine | |
| EP1651817A1 (en) | Conformable surfacing veil or reinforcement mat | |
| EP1690968B1 (en) | Method for producing a reinforced polyester non-woven material | |
| CN202170413U (en) | Cluster-shaped fiber pneumatic stirring dispersing device | |
| CN202169153U (en) | Device for pneumatically stirring, dispersing and netting cluster fibers | |
| CN203807711U (en) | Air suction board device of non-woven fabric lapping machine | |
| CN103009639B (en) | Production method of continuous glass fabric reinforced thermoplastic sheet | |
| CN103603137A (en) | Papermaking rubber roller with high-strength non-woven and production process | |
| CN203807712U (en) | Producing system for non-woven fabric | |
| CN201020783Y (en) | Air current method web formation dry method paper machine | |
| CN103437237B (en) | A kind of fiber web hygrometric state forming method and special purpose device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Cluster fiber thermoplastic composite sheet material Effective date of registration: 20200623 Granted publication date: 20140101 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: ARTIE INDUSTRIAL Co.,Ltd. CHINA Registration number: Y2020980003434 |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.28, Dazhong North Road, Changsha Economic and Technological Development Zone, Changsha, Hunan 410000 Patentee after: ARTIE INDUSTRIAL Co.,Ltd. CHINA Address before: No. 595, Zhongyi 2nd Road, Changsha, Hunan 410119 Patentee before: ARTIE INDUSTRIAL Co.,Ltd. CHINA |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220331 Granted publication date: 20140101 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: ARTIE INDUSTRIAL Co.,Ltd. CHINA Registration number: Y2020980003434 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Cluster fiber thermoplastic composite sheet Effective date of registration: 20220419 Granted publication date: 20140101 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: ARTIE INDUSTRIAL Co.,Ltd. CHINA Registration number: Y2022980004188 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230627 Granted publication date: 20140101 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: ARTIE INDUSTRIAL Co.,Ltd. CHINA Registration number: Y2022980004188 |