CN108912514A - Anti-floating fibre master batch, low floating fiber/glass fiber reinforced polypropylene compound material and preparation method thereof - Google Patents
Anti-floating fibre master batch, low floating fiber/glass fiber reinforced polypropylene compound material and preparation method thereof Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2423/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
Abstract
The invention belongs to field of polymer composite material, and in particular to a kind of anti-floating fibre master batch, low floating fiber/glass fiber reinforced polypropylene compound material and preparation method thereof.The anti-floating fibre master batch, is made of, wherein 15~30 parts of glass fibre glass fibre and PB Polybutene-1, and 6~20 parts of PB Polybutene-1.The present invention is by being prepared for a kind of new anti-floating fibre master batch for PB Polybutene-1 and glass fibre melting, PB Polybutene-1 has the thinning property of high shear, mobility is fabulous, the characteristics of low crystallization temperature, since PB Polybutene-1 has splendid mobility, melt mass flow rate is low, in injection molding more accessible to the surface of mold, can play the role of centainly covering to glass fibre.Simultaneously when preparing glass fiber reinforced polypropylene composite material, it also functions to covered effect to the fiber in composite material, keep the composite material combination property excellent, and surface has few floating fibre, with the manufacturing more demanding to floating fibre for automobile, space flight, electric appliance etc..
Description
Technical field
The invention belongs to field of polymer composite material, and in particular to a kind of anti-floating fibre master batch, low floating fiber/glass fiber increase
Strong PP composite material and preparation method thereof.
Background technique
Fiber glass reinforced polypropylene (GFRPP) has good light, anti-impact, fatigue toughness, short molding cycle, Ke Xunhuanliyong etc.
Advantage largely solves a series of deficiencies such as pure PP is easy to aging, low-temperature impact resistance is poor, after the seventies comes into operation
Just it has obtained widely answering in many fields such as mechanotronics, antiseptic project, building industry and aerospace, ship, vehicle
With.But in terms of engineer application, GF exposed phenomenon largely limits the use of GFRPP material again.In recent years,
With the raising to high molecular material use environment, cosmetic requirements, people propose the surface floating fiber situation of GFRPP composite material
Higher requirement is gone out.Glass and polypropylene are mixed and made into anti-floating fibre master batch by numerous researchs, then with polypropylene is secondary mixes system
At composite material, certain achievement is achieved, but still is had some limitations, production technology is complicated and the production cycle is long.
Long glass fiber-reinforced polypropylene master batch and high-impact, low fiber are utilized as 102070843 A of Chinese patent CN is disclosed
The mixed production high-impact of master batch batch, low floating fine Long Glass Fiber Reinforced PP Composite, can be improved the surface property of composite material,
But fine problem floating for Short Glass Fiber Reinforced Polypropylene composite material surface does not solve.
As 103772813 A of Chinese patent CN discloses a kind of chopped strand or the high flow rate of continuous fiber reinforcement is poly-
Propylene master batch and low flow rate polypropylene are mixed with low floating fiber composite material, reduce the floating fine situation of composite material, still
Complex process, production cycle are long, are not suitable for the batch production of enterprise's height.
In the prior art, the pre-pass preparation anti-floating fibre master batch of people occurs in the process to improve galss fiber reinforced resin
Floating fibre phenomenon.But it is a variety of anti-in addition to using zinc oxide or polyphenylene sulfide as main component, also needing to be added that current anti-floating shows master batch
A variety of auxiliary agents such as oxygen agent, coupling agent, compatilizer, preparation process is complicated, and at producing, the period is long, is also not suitable for large-scale production.
Summary of the invention
Serious for the floating fine problem of glass fiber reinforced polypropylene composite material existing in the prior art, production process is multiple
It is miscellaneous, it is not able to satisfy the requirement of appearance member and batch production, first purpose of the invention, which is to provide, a kind of to be prepared simple, raw material and be easy to get
Anti-floating fibre master batch, the floating fine problem of short glass fiber reinforced resin material is never had in the prior art with coping with
To effectively solving the problems, such as, while a kind of simple production process is proposed, with short production cycle, cheap, environmental-friendly is low
Floating fiber/glass fiber reinforced polypropylene compound material and preparation method thereof, with for automobile, space flight, electric appliance etc. to it is floating it is fine require compared with
High manufacturing.
The present invention is achieved by the following technical solutions：
A kind of anti-floating fibre master batch, is made of glass fibre and PB Polybutene-1, wherein 15~30 parts of glass fibre, polybutene-
16~20 parts.
The PB Polybutene-1 refers to that melt index under the conditions of 190 DEG C/2.16Kg is the low flowing of 0.48g/10min
Any one of rate polybutylene -1 or the high flow rate PB Polybutene-1 of 16g/10min.
The glass fibre is that fibre diameter is 8~20 μm, and length is the alkali-free short glass fiber of 3.0~4.5mm.Choosing
Selecting alkali-free glass fibre can be improved the strength of materials.
The preparation method of the anti-floating fibre master batch is：
Glass fibre and PB Polybutene-1 are suppressed into flakiness, natural cooling 12h makes thin slice have certain degree of hardness, then with height
Fast mixing machine smashes thin slice uniformly mixed, obtains diameter in 15mm flakelet below, completes the preparation of PB-1/GF master batch
Journey.To guarantee that PB Polybutene-1 has splendid viscosity, reach preferable covered effect, wherein the processing temperature of the open mill
It is 130-140 DEG C.
Above-mentioned anti-floating fibre master batch can be used for preparing low floating fiber composite material, such as glass fiber reinforced polypropylene, glass fibre
Enhance nylon, fibre-glass reinforced polyester, glass fiber reinforced polyester carbon, glass fiber reinforced ABS, glass fiber reinforcement AS, glass
Glass fiber reinforcement PPS, glass fiber reinforcement PBT, glass fiber reinforcement PPA etc..
A kind of low floating fiber/glass fiber reinforced polypropylene compound material, including following parts by weight raw material：
The polypropylene be selected from one of atactic polypropylene, Isotactic polypropylene or syndiotactic polypropylenes or
It is several, polypropylene be melt index is 21.26g/10min under the conditions of 190 DEG C/2.16Kg high flow rate polypropylene or
The low flow rate polypropylene of 2.0-4.0g/10min.
The compatilizer is the PP-g-MAH or PP-g-GMA that grafting rate is 0.3~1.0%.
The antioxidant is one or more of mixtures of 1010,168, BHT, 164, DLTP.
The lubricant is one or more of mixtures of PE wax, microcrystalline wax, low-molecular-weight polypropylene, StCa.
The preparation method of above-mentioned low floating fiber/glass fiber reinforced polypropylene compound material is claimed in the present invention simultaneously：
By 45~70 parts of polypropylene, 0~15 part of glass fibre, 3 parts of compatilizer, 0.2~0.7 part of lubricant, antioxidant 0.2
~0.5 part is added in high-speed mixer after mixing together with 21~50 parts of anti-floating fibre master batch, adds twin-screw extrude,
The pellet for being 2~5mm at length through melting, extrusion, water cooling, pelletizing, obtains low floating fiber/glass fiber reinforced polypropylene composite wood
Material.Wherein, the processing temperature of the extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 231 by feed opening to head
DEG C, 230 DEG C, engine speed 100rpm.
Beneficial effect：The present invention by the way that PB Polybutene-1 and glass fibre melting are prepared for a kind of new anti-floating fibre master batch,
The characteristics of PB Polybutene-1 has the thinning property of high shear, and mobility is fabulous, low crystallization temperature, since PB Polybutene-1 has splendid stream
Dynamic property, melt mass flow rate is low, in injection molding more accessible to the surface of mold, can play certain covering to glass fibre
Effect.Simultaneously when preparing glass fiber reinforced polypropylene composite material, cladding is also functioned to the fiber in composite material
Effect keeps the composite material combination property excellent, and surface has few floating fibre, to be used for automobile, space flight, electric appliance etc. to floating
Fine more demanding manufacturing.
Detailed description of the invention
Fig. 1 is composite material SEM photograph prepared by the present invention.Wherein a is embodiment 1, and b is embodiment 2, and c is embodiment
3, d be embodiment 4, and e is embodiment 5, and f is embodiment 6, and g is comparative example 1, and h is comparative example 2, and i is comparative example 3.
Specific embodiment
To further appreciate that the present invention, embodiment of the present invention is described in conjunction with following instance, still, these descriptions
It is intended merely to further illustrate feature of the invention, rather than the limitation to claims of the present invention, the technology in the field are ripe
Practice personnel's some nonessential modifications and adaptations that content makes the present invention according to the present invention and still falls within protection model of the invention
It encloses.
The selected preferred Taishan glass fiber Ltd of alkali-free short glass fiber, fibre diameter in following example
It is 8~20 μm, length is 3.0~4.5mm.The preferred West Pacific Petro chemical Co. Ltd. Dalian of polypropylene.PB Polybutene-1 is excellent
Select Shandong Rui Da Chemical Co., Ltd..Other commercially available short glass fibers, pp material, poly- fourth can of course also be selected
Alkene -1.
Embodiment 1
1, the cladding processing of glass fibre：
By 30 parts of glass fibre be 0.48 with melt index PB Polybutene-1 be 6 parts and uniformly mix by two-roll mills,
It is pressed into the thin slice with a thickness of 5mm, and natural cooling 12h makes thin slice have certain degree of hardness, then thin slice is beaten with high-speed mixer
It is broken to be uniformly mixed, diameter is obtained in 15mm flakelet below, completes the preparation process of PB-1/GF master batch.Wherein, the mill
The processing temperature of machine is 130 DEG C.
2, the preparation of low floating fiber/glass fiber reinforced polypropylene compound material：
By melt index be 21.26 59.4 parts of polypropylene, grafting rate 0.8% Compatibilizer PP-g-MAH be 3 parts, through table
Bread covers 36 parts of the anti-floating fibre master batch of processing and 0.5 part of lubricant PE wax, lubricant StCa are 0.2 part, antioxidant 1010 0.2
Part, irgasfos 168 are 0.2 part, are added in high-speed mixer after mixing, add twin-screw extrude together, melted,
The pellet that extrusion, water cooling, pelletizing are 2~5mm at length, obtains low floating fiber/glass fiber reinforced polypropylene compound material.Wherein,
The processing temperature of the extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 231 DEG C, 230 DEG C by feed opening to head,
Engine speed is 100rpm.
Embodiment 2
1, the cladding processing of glass fibre：
By 30 parts of glass fibre be 0.48 with melt index PB Polybutene-1 be 6 parts and uniformly mix by two-roll mills,
It is pressed into the thin slice with a thickness of 5mm, and natural cooling 12h makes thin slice have certain degree of hardness, then thin slice is beaten with high-speed mixer
It is broken to be uniformly mixed, diameter is obtained in 15mm flakelet below, completes the preparation process of PB-1/GF master batch.Wherein, the mill
The processing temperature of machine is 130 DEG C.
2, the preparation of low floating fiber/glass fiber reinforced polypropylene compound material：
By melt index be 2.8 55.4 parts of polypropylene, grafting rate 0.8% Compatibilizer PP-g-MAH be 3 parts, through surface
40 parts of the anti-floating fibre master batch and 0.5 part of lubricant PE wax, lubricant StCa for coating processing are 0.2 part, antioxidant 1010 0.2
Part, irgasfos 168 are 0.2 part, are added in high-speed mixer after mixing, add twin-screw extrude together, melted,
The pellet that extrusion, water cooling, pelletizing are 2~5mm at length, obtains low floating fiber/glass fiber reinforced polypropylene compound material.Wherein,
The processing temperature of the extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 231 DEG C, 230 DEG C by feed opening to head,
Engine speed is 100rpm.
Embodiment 3
1, the cladding processing of glass fibre：
By 15 parts of glass fibre be 0.48 with melt index PB Polybutene-1 be 10 parts and uniformly mix by two-roll mills,
It is pressed into the thin slice with a thickness of 5mm, and natural cooling 12h makes thin slice have certain degree of hardness, then thin slice is beaten with high-speed mixer
It is broken to be uniformly mixed, diameter is obtained in 15mm flakelet below, completes the preparation process of PB-1/GF master batch.Wherein, the mill
The processing temperature of machine is 130 DEG C.
2, the preparation of low floating fiber/glass fiber reinforced polypropylene compound material：
It is 21.26 55.4 parts of polypropylene by melt index, the compatilizer PP-g- of 15 parts of glass fibre, grafting rate 0.8%
MAH is 3 parts, 25 parts of the anti-floating fibre master batch through surface cladding processing and 0.5 part of lubricant PE wax, lubricant StCa are 0.2 part, is resisted
Oxygen agent 1010 is 0.2 part, irgasfos 168 is 0.2 part, is added in high-speed mixer together after mixing, and twin-screw is added and squeezes
Out in machine, the pellet for being 2~5mm at length through melting, extrusion, water cooling, pelletizing obtains low floating fiber/glass fiber reinforced polypropylene
Composite material.Wherein, the processing temperature of the extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 by feed opening to head
DEG C, 231 DEG C, 230 DEG C, engine speed 100rpm.
Embodiment 4
1, the cladding processing of glass fibre：
By 15 parts of glass fibre be 0.48 with melt index PB Polybutene-1 be 15 parts and uniformly mix by two-roll mills,
It is pressed into the thin slice with a thickness of 5mm, and natural cooling 12h makes thin slice have certain degree of hardness, then thin slice is beaten with high-speed mixer
It is broken to be uniformly mixed, diameter is obtained in 15mm flakelet below, completes the preparation process of PB-1/GF master batch.Wherein, the mill
The processing temperature of machine is 130 DEG C.
2, the preparation of low floating fiber/glass fiber reinforced polypropylene compound material：
It is 21.26 50.4 parts of polypropylene by melt index, the compatilizer PP-g- of 15 parts of glass fibre, grafting rate 0.8%
MAH is 3 parts, 30 parts of the anti-floating fibre master batch through surface cladding processing and 0.5 part of lubricant PE wax, lubricant StCa are 0.2 part, is resisted
Oxygen agent 1010 is 0.2 part, irgasfos 168 is 0.2 part, is added in high-speed mixer together after mixing, and twin-screw is added and squeezes
Out in machine, the pellet for being 2~5mm at length through melting, extrusion, water cooling, pelletizing obtains low floating fiber/glass fiber reinforced polypropylene
Composite material.Wherein, the processing temperature of the extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 by feed opening to head
DEG C, 231 DEG C, 230 DEG C, engine speed 100rpm.
Embodiment 5
1, the cladding processing of glass fibre：
By 30 parts of glass fibre be 16 with melt index PB Polybutene-1 be 10 parts and uniformly mix by two-roll mills, press
The thin slice with a thickness of 5mm is made, and natural cooling 12h makes thin slice have certain degree of hardness, then thin slice is smashed with high-speed mixer
It is uniformly mixed, obtains diameter in 15mm flakelet below, complete the preparation process of PB-1/GF master batch.Wherein, the open mill
Processing temperature be 130 DEG C.
2, the preparation of low floating fiber/glass fiber reinforced polypropylene compound material：
By melt index be 21.26 55.4 parts of polypropylene, grafting rate 0.8% Compatibilizer PP-g-MAH be 3 parts, through table
Bread covers 40 parts of the anti-floating fibre master batch of processing and 0.5 part of lubricant PE wax, lubricant StCa are 0.2 part, antioxidant 1010 0.2
Part, irgasfos 168 are 0.2 part, are added in high-speed mixer after mixing, add twin-screw extrude together, melted,
The pellet that extrusion, water cooling, pelletizing are 2~5mm at length, obtains low floating fiber/glass fiber reinforced polypropylene compound material.Wherein,
The processing temperature of the extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 231 DEG C, 230 DEG C by feed opening to head,
Engine speed is 100rpm.
Embodiment 6
1, the cladding processing of glass fibre：
By 30 parts of glass fibre be 16 with melt index PB Polybutene-1 be 10 parts and smash thin slice by two-roll mills
Uniformly mixing, is pressed into the thin slice with a thickness of 5mm, natural cooling 12h makes thin slice have certain degree of hardness, then uses high-speed mixer
It is uniformly mixed, obtains diameter in 15mm flakelet below, complete the preparation process of PB-1/GF master batch.To guarantee PB Polybutene-1
Have splendid viscosity, reach preferable covered effect, wherein the processing temperature of the open mill is 130-140 DEG C.
2, the preparation of low floating fiber/glass fiber reinforced polypropylene compound material：
By poly- melt index be 21.26 55.4 parts of propylene, grafting rate 0.8% compatilizer PP-g-GMA be 3 parts, through table
Bread covers 40 parts of the anti-floating fibre master batch of processing and 0.5 part of lubricant PE wax, lubricant StCa are 0.2 part, antioxidant 1010 0.2
Part, irgasfos 168 are 0.2 part, are added in high-speed mixer after mixing, add twin-screw extrude together, melted,
The pellet that extrusion, water cooling, pelletizing are 2~5mm at length, obtains low floating fiber/glass fiber reinforced polypropylene compound material.Wherein,
The processing temperature of the extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 231 DEG C, 230 DEG C by feed opening to head,
Engine speed is 100rpm.
Comparative example 1
By melt index be 21.26 55.4 parts of polypropylene, Compatibilizer PP-g-MAH be 3 parts, 30 parts of glass fibre, melting
The PB-1 that index is 0.48 is 10 parts and 0.5 part of lubricant PE wax, lubricant StCa are 0.2 part, antioxidant 1010 is 0.2 part,
Irgasfos 168 is 0.2 part, is added in high-speed mixer after mixing together, adds twin-screw extrude, melted, squeezed
Out, the pellet that water cooling, pelletizing are 2~5mm at length, obtains low floating fiber/glass fiber reinforced polypropylene compound material.Wherein, institute
The processing temperature for stating extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 231 DEG C, 230 DEG C by feed opening to head, main
Machine revolving speed is 100rpm.
Comparative example 2
By melt index be 21.26 55.4 parts of polypropylene, Compatibilizer PP-g-MAH be 3 parts, 30 parts of glass fibre, melting
The PB-1 that index is 16 is 10 parts and 0.5 part of lubricant PE wax, lubricant StCa are 0.2 part, and antioxidant 1010 is 0.2 part, resists
Oxygen agent 168 be 0.2 part, together be added high-speed mixer in after mixing, add twin-screw extrude, through melting, extrusion,
The pellet that water cooling, pelletizing are 2~5mm at length, obtains low floating fiber/glass fiber reinforced polypropylene compound material.Wherein, described
The processing temperature of extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 231 DEG C, 230 DEG C, host by feed opening to head
Revolving speed is 100rpm.
Comparative example 3
By melt index be 2.8 65.4 parts of polypropylene, Compatibilizer PP-g-MAH be 3 parts, 30 parts of glass fibre and lubrication
0.5 part of agent PE wax, lubricant StCa are 0.2 part, and antioxidant 1010 is 0.2 part, irgasfos 168 is 0.2 part, and high speed is added together
In mixing machine after mixing, it adds twin-screw extrude, the grain for being 2~5mm at length through melting, extrusion, water cooling, pelletizing
Material, obtains low floating fiber/glass fiber reinforced polypropylene compound material.Wherein, the processing temperature of the extruder is by feed opening to machine
Head is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 231 DEG C, 230 DEG C, engine speed 100rpm.
Performance evaluation mode：
Above-described embodiment 1-6 and low floating fiber/glass fiber reinforced polypropylene compound material prepared by comparative example 1-3 is equal
It is molded into national standard batten according to unified technique, mechanical performance is carried out respectively to it according to testing standard and condition listed in table 1
Test, test data are as shown in table 2.Sample surfaces microscopic appearance is swept using SEM (Japan Electronics Corporation, JSM-6460LV)
Retouch electron microscope analysis.
The performance test standard and condition of 1 composite material of table
The performance test results of each composite material in 2 case study on implementation of table
As can be seen that the mechanical property of Contrast enhanced PP composite material and outer under the same conditions from table 2 and Fig. 1
Situation is seen it can be concluded that draw a conclusion：1, under same recipe composition and fabrication process condition, using the sample of anti-floating fibre master batch preparation
Product can achieve application level compared with the direct mixing granulation sample mechanical strength of PP/GF/PB-1；2, using the preparation of anti-floating fibre master batch
Composite material is directly granulated floating fine situation compared with PP/GF/PB-1 and is significantly improved, and material surface floats fibre and significantly reduces, even if there is portion
GF is divided also tightly to be wrapped by resin.
As can be seen that the glass fiber reinforced polypropylene composite material power prepared using anti-floating fibre master batch from above-mentioned conclusion
It learns performance to meet the requirements, and surface there is no or only slight floating fibre, make fiber reinforcement compound material piece table all the time
The floating fine phenomenon in face is resolved, and can satisfy the manufacturing more demanding to floating fibre for automobile, space flight, electric appliance etc., and
The simple production process of material, it is low in cost, it is without secondary pollution.
The preferable specific embodiment of the above, only the invention, but the protection scope of the invention is not
It is confined to this, anyone skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection scope it
It is interior.
Claims (7)
1. a kind of anti-floating fibre master batch, which is characterized in that be made of glass fibre and PB Polybutene-1, wherein glass fibre 15~30
Part, 6~20 parts of PB Polybutene-1.
2. anti-floating fibre master batch according to claim 1, which is characterized in that the PB Polybutene-1 melt index is 0.48g/
10min or 16g/10min.
3. anti-floating fibre master batch according to claim 1, which is characterized in that the glass fibre is that fibre diameter is 8~20 μ
M, length are the alkali-free short glass fiber of 3.0~4.5mm.
4. the preparation method of anti-floating fibre master batch as described in claim 1, which is characterized in that
Glass fibre and PB Polybutene-1 are suppressed into flakiness, natural cooling makes thin slice have certain degree of hardness, then uses mixed at high speed
Machine smashes thin slice uniformly mixed, obtains diameter in 15mm flakelet below, completes the preparation process of PB-1/GF master batch,
In, the processing temperature of the open mill is 130-140 DEG C.
5. anti-floating fibre master batch as described in claim 1 is applied on preparing low floating fiber composite material.
6. a kind of low floating fiber/glass fiber reinforced polypropylene compound material prepared using anti-floating fibre master batch described in claim 1,
It is characterised in that it includes following parts by weight raw material：
The polypropylene is selected from one of atactic polypropylene, Isotactic polypropylene or syndiotactic polypropylenes or several
Kind, polypropylene is the high flow rate polypropylene or 2.0- that melt index is 21.26g/10min under the conditions of 190 DEG C/2.16Kg
4.0g/10min low flow rate polypropylene；
The compatilizer is the PP-g-MAH or PP-g-GMA that grafting rate is 0.3~1.0%；
The antioxidant is one or more of mixtures of 1010,168, BHT, 164, DLTP；
The lubricant is one or more of mixtures of PE wax, microcrystalline wax, low-molecular-weight polypropylene, StCa.
7. the preparation method of low floating fiber/glass fiber reinforced polypropylene compound material as claimed in claim 6, which is characterized in that will
45~70 parts of polypropylene, 0~15 part of glass fibre, 3 parts of compatilizer, 0.2~0.7 part of lubricant, 0.2~0.5 part of antioxidant and
In 21~50 parts of addition high-speed mixers of anti-floating fibre master batch after mixing, add twin-screw extrude, through melting, extrusion,
The pellet that water cooling, pelletizing are 2~5mm at length, obtains low floating fiber/glass fiber reinforced polypropylene compound material, wherein described
The processing temperature of extruder is followed successively by 199 DEG C, 230 DEG C, 230 DEG C, 230 DEG C, 231 DEG C, 230 DEG C, host by feed opening to head
Revolving speed is 100rpm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679435.1A CN108912514A (en) | 2018-06-27 | 2018-06-27 | Anti-floating fibre master batch, low floating fiber/glass fiber reinforced polypropylene compound material and preparation method thereof |
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Cited By (5)
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| CN110041609A (en) * | 2019-04-28 | 2019-07-23 | 东风汽车集团有限公司 | A kind of low floating fine continuously Long Glass Fiber Reinforced PP Composite and the preparation method and application thereof |
| CN110564056A (en) * | 2019-09-03 | 2019-12-13 | 会通新材料股份有限公司 | Carbon fiber reinforced PP-PA6 composite material and preparation method thereof |
| CN112280180A (en) * | 2020-11-06 | 2021-01-29 | 江苏金发科技新材料有限公司 | Polypropylene composition with good appearance and good touch and preparation method thereof |
| CN112480539A (en) * | 2020-12-03 | 2021-03-12 | 株洲时代工程塑料实业有限公司 | Polypropylene composition and preparation method thereof |
| WO2022001018A1 (en) * | 2020-06-28 | 2022-01-06 | 金发科技股份有限公司 | Anti-floating fiber agent and anti-floating fiber polypropylene reinforced composite material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041609A (en) * | 2019-04-28 | 2019-07-23 | 东风汽车集团有限公司 | A kind of low floating fine continuously Long Glass Fiber Reinforced PP Composite and the preparation method and application thereof |
| CN110564056A (en) * | 2019-09-03 | 2019-12-13 | 会通新材料股份有限公司 | Carbon fiber reinforced PP-PA6 composite material and preparation method thereof |
| WO2022001018A1 (en) * | 2020-06-28 | 2022-01-06 | 金发科技股份有限公司 | Anti-floating fiber agent and anti-floating fiber polypropylene reinforced composite material |
| CN112280180A (en) * | 2020-11-06 | 2021-01-29 | 江苏金发科技新材料有限公司 | Polypropylene composition with good appearance and good touch and preparation method thereof |
| CN112480539A (en) * | 2020-12-03 | 2021-03-12 | 株洲时代工程塑料实业有限公司 | Polypropylene composition and preparation method thereof |
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