CN105908362A - Preparation method of polypropylene fiber-glass fiber thermoplastic composite material - Google Patents
Preparation method of polypropylene fiber-glass fiber thermoplastic composite material Download PDFInfo
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- CN105908362A CN105908362A CN201610255969.2A CN201610255969A CN105908362A CN 105908362 A CN105908362 A CN 105908362A CN 201610255969 A CN201610255969 A CN 201610255969A CN 105908362 A CN105908362 A CN 105908362A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Nonwoven Fabrics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a preparation method of a polypropylene fiber-glass fiber thermoplastic composite material. The preparation method comprises the following preparation steps of 1 preparing of polypropylene fibers; 2 preparing of glass fibers; 3 mixing of the polypropylene fibers and the glass fibers, wherein the polypropylene fibers and the glass fibers are mixed through a fiber self-weighing mixing system, the humidity of a mixing environment is controlled to be 33% to 43%, and the temperature of the mixing environment is controlled to be 20 DEG C to 30 DEG C; 4 fiber needling felt forming, wherein the precisely-mixed polypropylene fibers and glass fibers are carded with a carding machine and lapped through a clamping type lapping machine to obtain a fiber net, then fiber needling felt forming is conducted through pre-needling equipment and main needling equipment, and lastly cutting and rolling are conducted to obtain the polypropylene fiber-glass fiber thermoplastic composite material. According to the preparation method, the process steps are simple, the production process is continuous, the production efficiency is high, the equipment is simple, and the technology is convenient to master; the polypropylene fiber-glass fiber thermoplastic composite material has the advantages that on one hand, the good heat-conducting property is achieved, on the other hand, the mechanical property of a heat-conducting material is enhanced, and processing is convenient.
Description
Technical field
The present invention relates to the preparation method of a kind of polypropylene glass thermoplastic composite.
Background technology
There is the composite of number of different types, including plastic composite.Every kind of plastic resin all has
The special performance of its own, it generates when combining from different enhancing things has different machinery and physical property
Composite.Plastic composite is divided into two kinds of main species: same with thermosetting compound material and thermoplastic composite
Material.
For same with thermosetting compound material, after applying heat and pressure, thermosetting resin makes material
The chemical change of molecular structure crosslinking.Once solidifying, thermoset parts can not be reinvented.Because at thermosetting
The structure of the closely crosslinking found in plastics, thermosetting plastics tolerates higher temperature than most thermoplastic materials
Spend and higher dimensional stability is provided.
Compared with same with thermosetting compound material, thermoplastic composite has excellent shock resistance, it is easy to molding
Processing, repairing and multiplexing, be advantageous to environmental protection, deeply favored.Reach production-scale both at home and abroad at present
Thermoplastic composite be also only limited to chopped strand strengthen composite and very small amount glass mat strengthen
Composite.Its reason is that heat creeps the more difficult molding of composite, i.e. thermoplastic melt's viscosity is the highest,
It is difficult to be evenly distributed on formation composite among reinforcing fiber.The matrix components of thermoplastic composite is not
Crosslinking, therefore, do not have same with thermosetting compound material the most limited, and can be recovered and again shape with system
Make new parts.
Sharply increase with the thermoplastic forming thermoplastic composite with high intensity, high modulus fibre strengthening
Intensity and hardness and toughness and dimensional stability.Thermoplastic composite can be melted by heating, again
Shape and reshaping (if necessary), then solidified by cooling.Thermoplastic can be amorphism or
Hemicrystalline, every kind of one group of performance having its own.Typical matrices component for thermoplastic composite
Including polypropylene (PP), polyethylene (PE), polyether-ether-ketone (PEEK) and nylon.
Structure and the performance at fiber-matrix interface play master in the machinery determining composite and physical property
Act on.Acting on the stress in substrate to be passed on the fiber at interface, therefore fiber and substrate need
Interact to utilize the over-all properties of fiber.The intensity of this interaction may decide that composite is originally
The performance of body.Weak interacting produces tough and tensile composite, because energy can be drawn by such as fiber
The various mechanism pulled out are absorbed.Interaction strong between fiber and substrate can produce fragility composite.
Accordingly, it is desirable to provide have the composite of desirable physical properties.
Summary of the invention
It is an object of the invention to provide that a kind of technique is simple, production efficiency is high and can prepare and has intensity
The preparation method of the polypropylene glass thermoplastic composite of high, good heat conductivity.
In order to solve above-mentioned technical problem, adopt the following technical scheme that
A kind of preparation method of polypropylene glass thermoplastic composite, including following preparation process:
A the preparation of () polypropylene fibre: with the brand-new pellet of wire drawing grade polypropylene as dispensing, adds in dispensing
Compound antioxidant, described compound antioxidant is the antioxidant 1010 of 26-28%, 10-12% by mass fraction
The Omnistab 46 of antioxidant MD-1024,22-23%, the antioxidant 2246 of 14-15%, 24-26%
Calcium carbonate composition, control oxidation induction time more than 30min, obtain black polypropylene fiber.
B the preparation of () glass fibre: first choose alkali-free glass fibre long filament, cuts alkali-free glass fibre long filament
Break the length for 50mm, finally with multiaxis metallic card clothing pre-opener shredding.
(c) polypropylene fibre and the mixing of glass fibre: use fiber self-weighing hybrid system that polypropylene is fine
Peacekeeping glass fibre mix, control hybird environment humidity be 33～43%, control hybird environment temperature be 20～
30℃。
(d) needle felting: accurate mixed polypropylene fibre and glass fiber are first used carding machine combing, then
Obtain fleece through sandwich crosslapping machine lapping, then by pre-thorn and main thorn equipment needle felting, after warp
Shear and obtain polypropylene glass thermoplastic composite after rolling.
Preferably, in step (a), control oxidation induction time and be more than 60min,
Preferably, in step (a), the fiber dimensious of black polypropylene fiber is 6D, and fibre length is
51～65mm.
Further, in step (c), polypropylene fibre and the detailed process of glass fibre mixing: the first step
Polypropylene fibre and glass fibre first pass through premixing process, second step multiaxis metallic card clothing pre-opener
Thick shredding, polypropylene fibre and glass fibre are carried out whirlwind mixing by the 3rd step, the 4th step multiaxis metal needle
Cloth refined opener essence shredding, the 5th step essence shredding after polypropylene fibre and glass fibre in add big storehouse mix
Cotton, the 6th step carding machine carries out shredding process, makes glass fibre and polypropylene fibre accurately mix.
Preferably, in step (c), controlling hybird environment humidity is 35～41%.
Preferably, in step (c), controlling hybird environment temperature is 22～28 DEG C.
Owing to using technique scheme, have the advantages that
The present invention is the preparation method of a kind of polypropylene glass thermoplastic composite, the raw material polypropylene of the present invention
The employing of fiber and glass fibre is relatively broad, cheap, obtains easily, chooses mobility higher.This
Preparation method processing step is simple, and production process is continuous, and production efficiency is high, and equipment is simple, and technology is easy to
Grasp, it addition, the polypropylene glass thermoplastic composite gone out by this preparation method possesses high intensity, well
Impact resistance, the advantage such as heat absorption conductive performance；The present invention solves Heat Conduction Material intensity deficiency, is difficult to
Processing, waste resource, to environment, service life short problem, the polypropylene glass of the present invention
On the one hand fine thermoplastic composite possesses preferable heat conductivility, on the other hand enhances the machine of Heat Conduction Material
Tool performance, it is simple to processing.
Control hybird environment humidity is 35～41% by the present invention, and controlling hybird environment temperature is 22～28 DEG C,
So can farthest avoid the impact that polypropylene fibre and glass fibre are mixed by electrostatic.
The present invention uses multiaxis metallic card clothing pre-opener shredding, and shredding precision is good, effective, will not damage
Fibre length.
Detailed description of the invention
A kind of preparation method of polypropylene glass thermoplastic composite, including following preparation process:
A the preparation of () polypropylene fibre: with the brand-new pellet of wire drawing grade polypropylene as dispensing, adds in dispensing
Compound antioxidant, described compound antioxidant is the antioxidant 1010 of 26-28%, 10-12% by mass fraction
The Omnistab 46 of antioxidant MD-1024,22-23%, the antioxidant 2246 of 14-15%, 24-26%
Calcium carbonate composition, control oxidation induction time more than 30min, preferably control oxidation induction time and be more than
60min, obtains black polypropylene fiber, and the fiber dimensious of black polypropylene fiber is 6D, and fibre length is
51～65mm.
B the preparation of () glass fibre: first choose alkali-free glass fibre long filament, cuts alkali-free glass fibre long filament
Break the length for 50mm, finally with multiaxis metallic card clothing pre-opener shredding.
(c) polypropylene fibre and the mixing of glass fibre: use fiber self-weighing hybrid system that polypropylene is fine
Peacekeeping glass fibre mixes, and controlling hybird environment humidity is 33～43%, preferably controls hybird environment humidity and is
35～41%, controlling hybird environment temperature is 20～30 DEG C, and preferably controlling hybird environment temperature is 22～28 DEG C.
Polypropylene fibre and the detailed process of glass fibre mixing: the first step is by polypropylene fibre and glass fibre elder generation warp
Crossing premixing to process, the second step multiaxis thick shredding of metallic card clothing pre-opener, the 3rd step is by polypropylene fibre
Carrying out whirlwind mixing with glass fibre, the multiaxis metallic card clothing refined opener essence shredding of the 4th step, the 5th step exists
Essence shredding after polypropylene fibre and glass fibre in add big storehouse mixed cotton, the 6th step carding machine carries out shredding
Process, make glass fibre and polypropylene fibre accurately mix.
(d) needle felting: accurate mixed polypropylene fibre and glass fiber are first used carding machine combing, then
Obtain fleece through sandwich crosslapping machine lapping, then by pre-thorn and main thorn equipment needle felting, after warp
Shear and obtain polypropylene glass thermoplastic composite after rolling.
Omnistab 46 is the blue-light absorbers product of the steady moral in European well-known polymeric additive brand Europe, this indigo plant
Light absorber is for the high-efficiency absorbent of blue wave band in the UVA wave band in ultraviolet and visible ray.
The present invention is the preparation method of a kind of polypropylene glass thermoplastic composite, the raw material polypropylene of the present invention
The employing of fiber and glass fibre is relatively broad, cheap, obtains easily, chooses mobility higher.This
Preparation method processing step is simple, and production process is continuous, and production efficiency is high, and equipment is simple, and technology is easy to
Grasp, it addition, the polypropylene glass thermoplastic composite gone out by this preparation method possesses high intensity, well
Impact resistance, the advantage such as heat absorption conductive performance；The present invention solves Heat Conduction Material intensity deficiency, is difficult to
Processing, waste resource, to environment, service life short problem, the polypropylene glass of the present invention
On the one hand fine thermoplastic composite possesses preferable heat conductivility, on the other hand enhances the machine of Heat Conduction Material
Tool performance, it is simple to processing.
Control hybird environment humidity is 35～41% by the present invention, and controlling hybird environment temperature is 22～28 DEG C,
So can farthest avoid the impact that polypropylene fibre and glass fibre are mixed by electrostatic.
The present invention uses multiaxis metallic card clothing pre-opener shredding, and shredding precision is good, effective, will not damage
Fibre length.
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1
A the preparation of () polypropylene fibre: with the brand-new pellet of wire drawing grade polypropylene as dispensing, adds in dispensing
Compound antioxidant, described compound antioxidant by the antioxidant 1010 that mass fraction is 26%, 12% anti-
Oxidant MD-1024,22% Omnistab 46,15% antioxidant 2246,25% calcium carbonate composition,
Control oxidation induction time is 35min, obtains black polypropylene fiber, the fiber dimensious of black polypropylene fiber
For 6D, fibre length is 51mm.
B the preparation of () glass fibre: first choose alkali-free glass fibre long filament, cuts alkali-free glass fibre long filament
Break the length for 50mm, finally with multiaxis metallic card clothing pre-opener shredding.
(c) polypropylene fibre and the mixing of glass fibre: use fiber self-weighing hybrid system that polypropylene is fine
Peacekeeping glass fibre mixes, and controlling hybird environment humidity is 33%, and controlling hybird environment temperature is 20 DEG C.
(d) needle felting: accurate mixed polypropylene fibre and glass fiber are first used carding machine combing, then
Obtain fleece through sandwich crosslapping machine lapping, then by pre-thorn and main thorn equipment needle felting, after warp
Shear and obtain polypropylene glass thermoplastic composite after rolling.
Embodiment 2
A the preparation of () polypropylene fibre: with the brand-new pellet of wire drawing grade polypropylene as dispensing, adds in dispensing
Compound antioxidant, described compound antioxidant by the antioxidant 1010 that mass fraction is 27%, 11% anti-
Oxidant MD-1024, the calcium carbonate of antioxidant 2246,25% of Omnistab 46,14.5% of 22.5%
Composition, control oxidation induction time is 50min, obtains black polypropylene fiber, the fibre of black polypropylene fiber
Dimension specification is 6D, and fibre length is 55mm.
B the preparation of () glass fibre: first choose alkali-free glass fibre long filament, cuts alkali-free glass fibre long filament
Break the length for 50mm, finally with multiaxis metallic card clothing pre-opener shredding.
(c) polypropylene fibre and the mixing of glass fibre: use fiber self-weighing hybrid system that polypropylene is fine
Peacekeeping glass fibre mixes, and controlling hybird environment humidity is 43%, and controlling hybird environment temperature is 30 DEG C.
(d) needle felting: accurate mixed polypropylene fibre and glass fiber are first used carding machine combing, then
Obtain fleece through sandwich crosslapping machine lapping, then by pre-thorn and main thorn equipment needle felting, after warp
Shear and obtain polypropylene glass thermoplastic composite after rolling.
Embodiment 3
A the preparation of () polypropylene fibre: with the brand-new pellet of wire drawing grade polypropylene as dispensing, adds in dispensing
Compound antioxidant, described compound antioxidant by the antioxidant 1010 that mass fraction is 28%, 10% anti-
Oxidant MD-1024,23% Omnistab 46,14% antioxidant 2246,25% calcium carbonate composition,
Control oxidation induction time is 65min, obtains black polypropylene fiber, the fiber dimensious of black polypropylene fiber
For 6D, fibre length is 60mm.
B the preparation of () glass fibre: first choose alkali-free glass fibre long filament, cuts alkali-free glass fibre long filament
Break the length for 50mm, finally with multiaxis metallic card clothing pre-opener shredding.
(c) polypropylene fibre and the mixing of glass fibre: use fiber self-weighing hybrid system that polypropylene is fine
Peacekeeping glass fibre mixes, and controlling hybird environment humidity is 35%, and controlling hybird environment temperature is 25 DEG C.
(d) needle felting: accurate mixed polypropylene fibre and glass fiber are first used carding machine combing, then
Obtain fleece through sandwich crosslapping machine lapping, then by pre-thorn and main thorn equipment needle felting, after warp
Shear and obtain polypropylene glass thermoplastic composite after rolling.
Embodiment 4
A the preparation of () polypropylene fibre: with the brand-new pellet of wire drawing grade polypropylene as dispensing, adds in dispensing
Compound antioxidant, described compound antioxidant by the antioxidant 1010 that mass fraction is 27%, 12% anti-
Oxidant MD-1024,22% Omnistab 46,15% antioxidant 2246,24% calcium carbonate composition,
Control oxidation induction time is 70min, obtains black polypropylene fiber, the fiber dimensious of black polypropylene fiber
For 6D, fibre length is 65mm.
B the preparation of () glass fibre: first choose alkali-free glass fibre long filament, cuts alkali-free glass fibre long filament
Break the length for 50mm, finally with multiaxis metallic card clothing pre-opener shredding.
(c) polypropylene fibre and the mixing of glass fibre: use fiber self-weighing hybrid system that polypropylene is fine
Peacekeeping glass fibre mixes, and controlling hybird environment humidity is 38%, and controlling hybird environment temperature is 25 DEG C.
(d) needle felting: accurate mixed polypropylene fibre and glass fiber are first used carding machine combing, then
Obtain fleece through sandwich crosslapping machine lapping, then by pre-thorn and main thorn equipment needle felting, after warp
Shear and obtain polypropylene glass thermoplastic composite after rolling.
Embodiment 5
A the preparation of () polypropylene fibre: with the brand-new pellet of wire drawing grade polypropylene as dispensing, adds in dispensing
Compound antioxidant, described compound antioxidant by the antioxidant 1010 that mass fraction is 28%, 11% anti-
Oxidant MD-1024, the calcium carbonate of antioxidant 2246,24% of Omnistab 46,14.5% of 22.5%
Composition, control oxidation induction time is 80min, obtains black polypropylene fiber, the fibre of black polypropylene fiber
Dimension specification is 6D, and fibre length is 56mm.
B the preparation of () glass fibre: first choose alkali-free glass fibre long filament, cuts alkali-free glass fibre long filament
Break the length for 50mm, finally with multiaxis metallic card clothing pre-opener shredding.
(c) polypropylene fibre and the mixing of glass fibre: use fiber self-weighing hybrid system that polypropylene is fine
Peacekeeping glass fibre mixes, and controlling hybird environment humidity is 40%, and controlling hybird environment temperature is 28 DEG C.
(d) needle felting: accurate mixed polypropylene fibre and glass fiber are first used carding machine combing, then
Obtain fleece through sandwich crosslapping machine lapping, then by pre-thorn and main thorn equipment needle felting, after warp
Shear and obtain polypropylene glass thermoplastic composite after rolling.
Embodiment 6
A the preparation of () polypropylene fibre: with the brand-new pellet of wire drawing grade polypropylene as dispensing, adds in dispensing
Compound antioxidant, described compound antioxidant by the antioxidant 1010 that mass fraction is 27%, 10% anti-
Oxidant MD-1024,23% Omnistab 46,14% antioxidant 2246,26% calcium carbonate composition,
Control oxidation induction time is 90min, obtains black polypropylene fiber, the fiber dimensious of black polypropylene fiber
For 6D, fibre length is 53mm.
B the preparation of () glass fibre: first choose alkali-free glass fibre long filament, cuts alkali-free glass fibre long filament
Break the length for 50mm, finally with multiaxis metallic card clothing pre-opener shredding.
(c) polypropylene fibre and the mixing of glass fibre: use fiber self-weighing hybrid system that polypropylene is fine
Peacekeeping glass fibre mixes, and controlling hybird environment humidity is 36%, and controlling hybird environment temperature is 24 DEG C.
(d) needle felting: accurate mixed polypropylene fibre and glass fiber are first used carding machine combing, then
Obtain fleece through sandwich crosslapping machine lapping, then by pre-thorn and main thorn equipment needle felting, after warp
Shear and obtain polypropylene glass thermoplastic composite after rolling.
These are only the specific embodiment of the present invention, but the technical characteristic of the present invention is not limited thereto.Any
Based on the present invention, for solving essentially identical technical problem, it is achieved essentially identical technique effect, institute
Make ground simple change, equivalent or modification etc., be all covered by among protection scope of the present invention.
Claims (6)
1. the preparation method of a polypropylene glass thermoplastic composite, it is characterised in that include following preparation process:
The preparation of (a) polypropylene fibre: with the brand-new pellet of wire drawing grade polypropylene as dispensing, compound antioxidant is added in dispensing, described compound antioxidant is made up of the Omnistab 46 of antioxidant MD-1024,22-23% that mass fraction is the antioxidant 1010 of 26-28%, 10-12%, the antioxidant 2246 of 14-15%, the calcium carbonate of 24-26%, obtaining black polypropylene fiber, the oxidation induction time of polypropylene fibre is more than 30min；
B the preparation of () glass fibre: first choose alkali-free glass fibre long filament, is cut to the length of 50mm, finally with multiaxis metallic card clothing pre-opener shredding by described alkali-free glass fibre long filament；
(c) polypropylene fibre and the mixing of glass fibre: using fiber self-weighing hybrid system polypropylene fibre and glass fibre to be mixed, controlling hybird environment humidity is 33～43%, and controlling hybird environment temperature is 20～30 DEG C；
(d) needle felting: accurate mixed described polypropylene fibre and described glass fiber are first used carding machine combing, fleece is obtained again through sandwich crosslapping machine lapping, then by pre-thorn and main thorn equipment needle felting, after the most clipped and rolling, polypropylene glass thermoplastic composite is obtained.
A kind of preparation method of polypropylene glass thermoplastic composite, it is characterised in that: in described step (a), control oxidation induction time more than 60min.
A kind of preparation method of polypropylene glass thermoplastic composite, it is characterised in that: in described step (a), the fiber dimensious of described black polypropylene fiber is 6D, and fibre length is 51～65mm.
A kind of preparation method of polypropylene glass thermoplastic composite, it is characterized in that: in described step (c), described polypropylene fibre and the detailed process of glass fibre mixing: described polypropylene fibre and described glass fibre are first passed through premixing and process by the first step, the second step multiaxis thick shredding of metallic card clothing pre-opener, described polypropylene fibre and described glass fibre are carried out whirlwind mixing by the 3rd step, the multiaxis metallic card clothing refined opener essence shredding of 4th step, 5th step essence shredding after described polypropylene fibre and described glass fibre in add big storehouse mixed cotton, 6th step carding machine carries out shredding process, glass fibre and polypropylene fibre is made accurately to mix.
A kind of preparation method of polypropylene glass thermoplastic composite, it is characterised in that: in described step (c), controlling hybird environment humidity is 35～41%.
A kind of preparation method of polypropylene glass thermoplastic composite, it is characterised in that: in described step (c), controlling hybird environment temperature is 22～28 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760283A (en) * | 2016-12-13 | 2017-05-31 | 无锡市明江保温材料有限公司 | The preparation method of ornamental glass fibre prickling plate |
| CN107326531A (en) * | 2017-08-28 | 2017-11-07 | 吉林省华纺静电材料科技有限公司 | Multi-functional polypropylene fibre and glass fibre needle-punched composite and preparation method thereof |
| CN109023719A (en) * | 2018-06-06 | 2018-12-18 | 常州大学 | A kind of blended hot composite reinforcing material of polypropylene fibre continuous glass fibre and preparation method thereof |
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