CN103694563A - Novel high-gloss fiberglass-reinforced polypropylene composite material and preparation method thereof - Google Patents

Novel high-gloss fiberglass-reinforced polypropylene composite material and preparation method thereof Download PDF

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Publication number
CN103694563A
CN103694563A CN201310695227.8A CN201310695227A CN103694563A CN 103694563 A CN103694563 A CN 103694563A CN 201310695227 A CN201310695227 A CN 201310695227A CN 103694563 A CN103694563 A CN 103694563A
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polypropylene
composite material
polypropylene composite
parts
glass
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沈叶龙
娄小安
孟成铭
裘浩成
路海冰
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Shanghai Rizhisheng New Technology Development Co Ltd
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Shanghai Rizhisheng New Technology Development Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
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    • B29C2948/00—Indexing scheme relating to extrusion moulding
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    • B29C2948/92504—Controlled parameter
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
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    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
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    • C08K2201/003—Additives being defined by their diameter
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract

The invention relates to a novel high-gloss fiberglass-reinforced polypropylene composite material which is prepared from the following raw materials in parts by weight: 30 to 80 parts of polypropylene, 10 to 20 parts of polyethylene, 10 to 20 parts of mica, 10 to 40 parts of fiberglass, 3 to 12 parts of elastomer, 3 to 8 parts of compatilizer, 0.2 to 1 part of antioxidant and 0.2 to 2.0 parts of other aiding agents. The invention further provides a preparation method of the novel high-gloss fiberglass-reinforced polypropylene composite material. The method has the advantages that the polypropylene material having high strength, high rigidity and a stable size is obtained through the reinforcement function of the fiberglass to a high molecular material, and is suitable for the injection molding of various engineering plastic parts for vehicles and families; and the novel high-gloss reinforced polypropylene composite material having the high strength, high impact resistance and good size stability is prepared through the function of crystallization behavior of the elastomer to the polypropylene composite, and can be widely applied to the fields of pipes, containers, automobile parts, household appliances and the like.

Description

A kind of novel high gloss glass fiber reinforced polypropylene composite material and preparation method thereof
Technical field
The present invention relates to polyolefine technical field, specifically, is a kind of novel high gloss glass fiber reinforced polypropylene composite material and preparation method thereof, can be used for auto parts machinery, household electrical appliance.
Background technology
Polypropylene PP is as one of five large general-purpose plastics, density is little, production cost is low, comprehensive mechanical property is good, nontoxic, corrosion-resistant, be easy to processing and the advantage such as recovery, be widely used in various places, as fields such as household electrical appliance, inner and outer decorative parts of automobile, body-building apparatus, office appliance, daily necessities, toy and sanitary ware, in plastics, occupy critical role, but when making family's electric parts, its intensity, rigidity, glossiness often do not reach requirement, and product surface low in glossiness, floating fibre have seriously limited polyacrylic application.Relatively more conventional is that glass, filling etc. are carried out modification to polypropylene at present, the object strengthening to reach polypropylene.
At present, about the development and application of Novel polypropylene be mainly by compatilizer physical blending in polypropylene PP resin and glass.
Chinese patent 200610028823.0, discloses a kind of high gloss, the high glass fiber-reinforced nylon 6 composite material and preparation method thereof that flows, and has made that surface gloss is good, performance is good, the glass of easy processing strengthens high-gloss composite material.
Chinese patent 200610118565.5, discloses a kind of high gloss, the high long glass fiber-reinforced polyamide composite material that flows, and makes a kind of high glossiness good, the matrix material of mobility excellence.
Chinese patent 201110101749.1, discloses a kind of high gloss antifatigue glass fibre and has strengthened PP/PPR/PA alloy material, and this alloy material has good processing characteristics, high surface gloss and high rotating speed fatigue performance, and production technique is very simple.
Chinese patent literature CN 103265761 A, the low molecular polarity material of a kind of use maleic anhydride etc. is disclosed, initiator carries out to polypropylene surface the Novel reinforced polypropylene material that modification makes, although but this material mechanical property is greatly improved, floating fine problem is still obvious.
Chinese patent 200710172918.4 discloses a kind of ultralong unit extension glass bridal veil fiber reinforced polypropylene matrix material, comprises polypropylene, glass fibre, composite antioxidant and other auxiliary agents, and its advantage is, tension fracture elongation rate is high.
Chinese patent 201110008670.4 discloses a kind of high-impact, novel long glass fiber-reinforced polypropylene materials, adopt anti-impact, novel master batch to coordinate long fiber reinforced polypropylene agglomerate to carry out modification, the performance test such as tensile strength, shock strength shows, high, the floating fine phenomenon of its polypropylene material surface gloss of preparing is few.
Chinese patent 201110321904.0 discloses a kind of composite fiber reinforcement polypropylene material and preparation method thereof, comprises polypropylene, conjugated fibre, graft polypropylene, oxidation inhibitor, and advantage is that high glass fiber content still can keep good outward appearance.
Chinese patent 200810039829.7 discloses a kind of heat-resisting high-gloss reinforced polypropylene and preparation method thereof, comprise high gloss weighting agent, polypropylene, glass fibre, lubrication dispersing agent, oxidation inhibitor, its advantage is that material has high gloss, high temperature tolerance, higher rigidity and surface hardness.
Above technology is by processing glass or adding compatilizer to improve the consistency of the macromolecular materials such as polypropylene and glass; Its shortcoming is that the content of glass fiber adding can not be too much, otherwise that floating fibre exposes is still very serious, and processing characteristics is poor, causes product outward appearance bad, and glass fibre addition is too low, and strength of PP does not reach requirement.By adding mica part instead of glass fiber and elastomerics to improve the floating fine problem of product surface, the application in polypropylene at present not yet relates to.
Summary of the invention
The object of the invention is for deficiency of the prior art, a kind of novel high gloss glass fiber reinforced polypropylene composite material is provided.
Another object of the present invention is that a kind of preparation method of novel high gloss glass fiber reinforced polypropylene composite material is provided.
For achieving the above object, the technical scheme that the present invention takes is: a kind of novel high gloss glass fiber reinforced polypropylene composite material, by the raw material of following weight part, made: polypropylene 30-80, polyethylene 10 ~ 20, mica 10 ~ 20, glass fibre 10-40, elastomerics 3-12, compatilizer 3 ~ 8, oxidation inhibitor 0.2-1, other auxiliary agents 0.2-2.0.
Described a kind of novel high gloss glass fiber reinforced polypropylene composite material, it is characterized in that, described polypropylene is one or more in atactic polypropylene(APP), Isotactic polypropylene or syndiotactic polypropylenes, the quality melt flow rate (MFR) of polypropylene under 230 ℃ of temperature, load 21.17N condition is 2.0 ~ 50.0g/10min, tensile strength >=20Mpa.Described polyethylene is one or more in high density polyethylene(HDPE), Low Density Polyethylene or linear low density polyethylene, the quality melt flow rate (MFR) of polyethylene under 230 ℃ of temperature, load 21.17N condition is 10.0 ~ 40.0g/10min, tensile strength >=15Mpa.
Described mica is that one or both in phlogopite or white mica are composite, and size is 3～15 μ m.
Described glass fibre is alkali-free glass fiber, and its Fibre diameter is 8～20 μ m.
Described elastomerics is one or more in thermoplastic elastomer or thermo-setting elastomer.Described material is selected from: polybutadiene rubber, styrene-butadiene rubber(SBR), nitrile rubber, ethylene propylene rubber, terpolymer EP rubber, Toughening Effect of Ethylene Copolymer Elastomer etc. one or more.
Described compatilizer is one or more in polypropylene grafted vinylformic acid, toxilic acid, maleic anhydride, glycidyl acrylate.
Described initiator is any in peroxidation tert-butyl acetate, dicumyl peroxide, di-t-butyl peroxide DTBP or peroxidized t-butyl perbenzoate TPB
Described oxidation inhibitor is Hinered phenols antioxidant.Described auxiliary agent is thermo-stabilizer, lubricant, anti UV agent or pigment.
For realizing above-mentioned second object, the technical scheme that the present invention takes is: the preparation method of described novel high gloss glass fiber reinforced polypropylene composite material, comprises the following steps: by proportioning, weigh raw material; Other components except glass fibre are placed in to high-speed mixer and mixing 5-10min, by side spout, glass fibre is added to forcing machine, dual-screw-stem machine is extruded, cooling, granulation, finally particle is dried, obtain novel high gloss glass fiber reinforced polypropylene composite material.
The rotating speed of described twin screw extruder is 200-500r/min, and forcing machine is set to from being fed to the temperature setting of head: 185 ℃, 190 ℃, 205 ℃, 210 ℃, 210 ℃, 210 ℃, 200 ℃, 185 ℃, 180 ℃, and vacuum tightness≤0.06MPa.
The invention has the advantages that:
1, the present invention utilizes the enhancement of glass fibre to macromolecular material, has obtained the polypropylene material of high strength, high rigidity, dimensional stabilizing, is suitable for all kinds of automobile-used, household electrical appliances engineering plastics parts of injection molding;
2, the present invention has utilized the effect of elastomerics to the crystallization behavior of polypropene composition, be prepared into a kind of enhancing high-gloss polypropylene matrix material with high strength, high impact-resistant, novel, good stability of the dimension, can be widely used in the fields such as tubing, container, auto parts machinery, household electrical appliance.
3, the present invention has utilized part polyethylene to substitute polypropylene, has improved the intrinsic glossiness of base material.、
4, by mica part instead of glass fiber, both keep the intrinsic intensity of matrix material, reduced the consumption of glass fibre simultaneously, reduced floating dimension, improved the surface gloss of material.
Embodiment
Below embodiment provided by the invention is elaborated.
Concrete component and the weight part proportioning thereof of the novel high gloss fiber glass reinforced polypropylene in following examples 1-3 are as shown in table 1.Wherein, take polypropylene as base-material, the mixture of atactic polypropylene(APP), Isotactic polypropylene and linear low density polyethylene of take is base-material; The glass fibre, mica, elastomerics, compatilizer and other auxiliary agents that add different ratios.
Table 1: the weight proportion of the novel high gloss fiber glass reinforced polypropylene of embodiment 1-3 composition component
embodiment 1
(1) take by weight ratio raw material: polypropylene 40, polyethylene 20, elastomerics 5, compatilizer 5, oxidation inhibitor 0.5, other auxiliary agents 1;
(2) polypropylene, elastomerics, grafted monomer, initiator, oxidation inhibitor are placed in to high-speed mixer and mixing 10 minutes together with other auxiliary agents;
(3) material is added in twin screw extruder, control rate of feeding, by side, feed mouth glass is added to forcing machine; Control glass radical and rate of feeding, control content of glass fiber 30.Granulation, the rotating speed of dual-screw-stem machine is 300 turn/min; Twin-screw extrusion complete processing is listed in table 2.
Table 2: twin-screw extrusion complete processing
Figure 880520DEST_PATH_IMAGE002
embodiment 2
(1) take by weight ratio raw material: polypropylene 40, polyethylene 20, mica 5, elastomerics 5, compatilizer 5, oxidation inhibitor 0.5, other auxiliary agents 1;
(2) polypropylene, elastomerics, grafted monomer, mica, initiator, oxidation inhibitor are placed in to high-speed mixer and mixing 10 minutes together with other auxiliary agents;
(3) material is added in twin screw extruder, control rate of feeding, by side, feed mouth glass is added to forcing machine; Control glass radical and rate of feeding, control content of glass fiber 25.Granulation, the rotating speed of dual-screw-stem machine is 300 turn/min; Twin-screw extrusion complete processing is with embodiment 1.
embodiment 3
(1) take by weight ratio raw material: polypropylene 40, polyethylene 20, mica 10, elastomerics 5, compatilizer 5, oxidation inhibitor 0.5, other auxiliary agents 1;
(2) polypropylene, elastomerics, grafted monomer, mica, initiator, oxidation inhibitor are placed in to high-speed mixer and mixing 10 minutes together with other auxiliary agents;
(3) material is added in twin screw extruder, control rate of feeding, by side, feed mouth glass is added to forcing machine; Control glass radical and rate of feeding, control content of glass fiber 20.Granulation, the rotating speed of dual-screw-stem machine is 300 turn/min; Twin-screw extrusion complete processing is with embodiment 1.
The halogen-free flame-proof reinforced polypropylene composition that embodiment 1-3 is made carries out Mechanics Performance Testing contrast, and result is shown as table 3.
Table 3: embodiment 1-3 glass fiber reinforced polypropylene composite material performance comparison
Figure 634849DEST_PATH_IMAGE003
The glass fiber reinforced polypropylene composite material of developing according to above-mentioned formula and technique is along with the increase of mica addition, and considerable change does not occur material mechanical performance, and glossiness is greatly improved.This material can be widely used in the fields such as auto parts machinery, household electrical appliance.
In following examples 4-6, contrast different elastomerics additions, concrete component and the weight part proportioning thereof of the novel high gloss glass fiber reinforced polypropylene composite material that other component changes are as shown in table 4.Wherein, take polypropylene as base-material, the mixture of atactic polypropylene(APP), Isotactic polypropylene and linear low density polyethylene of take is base-material; The elastomerics that adds different ratios, and the glass fibre of corresponding ratio, mica, elastomerics, compatilizer and other auxiliary agents.
 
Table 4: the weight proportion of the novel high gloss fiber glass reinforced polypropylene of embodiment 4-6 composition component
Figure 371861DEST_PATH_IMAGE004
embodiment 4
(1) take by weight ratio raw material: polypropylene 50, polyethylene 15, mica 10, elastomerics 0, compatilizer 5, oxidation inhibitor 0.5, other auxiliary agents 1;
(2) polypropylene, elastomerics, grafted monomer, mica, initiator, oxidation inhibitor are placed in to high-speed mixer and mixing 10 minutes together with other auxiliary agents;
(3) material is added in twin screw extruder, control rate of feeding, by side, feed mouth glass and mica are added respectively to forcing machine; Control glass radical and rate of feeding, control content of glass fiber 20.Granulation, the rotating speed of dual-screw-stem machine is 300 turn/min; Twin-screw extrusion complete processing is with embodiment 1.
embodiment 5
(1) take by weight ratio raw material: polypropylene 45, polyethylene 15, mica 10, elastomerics 5, compatilizer 5, oxidation inhibitor 0.5, other auxiliary agents 1;
(2) polypropylene, elastomerics, grafted monomer, mica, initiator, oxidation inhibitor are placed in to high-speed mixer and mixing 10 minutes together with other auxiliary agents;
(3) material is added in twin screw extruder, control rate of feeding, by side, feed mouth glass and mica are added respectively to forcing machine; Control glass radical and rate of feeding, control content of glass fiber 20.Granulation, the rotating speed of dual-screw-stem machine is 300 turn/min; Twin-screw extrusion complete processing is with embodiment 1.
embodiment 6
(1) take by weight ratio raw material: polypropylene 40, polyethylene 15, elastomerics 10, mica 10, compatilizer 5, oxidation inhibitor 0.5, other auxiliary agents 1;
(2) polypropylene, elastomerics, grafted monomer, mica, initiator, oxidation inhibitor are placed in to high-speed mixer and mixing 10 minutes together with other auxiliary agents;
(3) material is added in twin screw extruder, control rate of feeding, by side, feed mouth glass is added to forcing machine; Control glass radical and rate of feeding, control content of glass fiber 20.Granulation, the rotating speed of dual-screw-stem machine is 300 turn/min; Twin-screw extrusion complete processing is with embodiment 1.
The glass fiber reinforced polypropylene composite material that embodiment 4-6 is made carries out Mechanics Performance Testing contrast, and result is shown as table 5.
Table 5: novel high gloss fiber glass reinforced polypropylene composition properties contrast
Figure 895246DEST_PATH_IMAGE005
The glass fiber reinforced polypropylene composite material of developing according to above-mentioned formula and technique is along with the increase of elastomerics addition, and the floating fibre of product surface has decline trend, and glossiness improves.This material can be widely used in the fields such as auto parts machinery, household electrical appliance.
In following examples 7-9, contrast different compatilizer additions, it is as shown in table 6 that the high light of novel enhanced that other component changes is translated concrete component and the weight part proportioning thereof of polypropylene composite material.Wherein, take polypropylene as base-material, add the compatilizer of different ratios and the glass fibre of corresponding ratio, mica, elastomerics, compatilizer and other auxiliary agents.
Table 6: embodiment 7-9 glass strengthens the weight proportion of high-gloss polypropylene composite material component
Figure 636675DEST_PATH_IMAGE006
embodiment 7
(1) take by weight ratio raw material: polypropylene 54, polyethylene 10, mica 10, elastomerics 6, compatilizer 0, oxidation inhibitor 0.5, other auxiliary agents 1;
(2) polypropylene, elastomerics, grafted monomer, initiator, oxidation inhibitor are placed in to high-speed mixer and mixing 10 minutes together with other auxiliary agents;
(3) material is added in twin screw extruder, control rate of feeding, by side, feed mouth glass is added respectively to forcing machine; Control glass radical and rate of feeding, control content of glass fiber 20.Granulation, the rotating speed of dual-screw-stem machine is 300 turn/min; Twin-screw extrusion complete processing is with embodiment 1.
embodiment 8
(1) take by weight ratio raw material: polypropylene 52, polyethylene 10, mica 10, elastomerics 6, compatilizer 2, oxidation inhibitor 0.5, other auxiliary agents 1;
(2) polypropylene, elastomerics, grafted monomer, initiator, oxidation inhibitor are placed in to high-speed mixer and mixing 10 minutes together with other auxiliary agents;
(3) material is added in twin screw extruder, control rate of feeding, by side, feed mouth glass is added to forcing machine; Control glass radical and rate of feeding, control content of glass fiber 20.Granulation, the rotating speed of dual-screw-stem machine is 300 turn/min; Twin-screw extrusion complete processing is with embodiment 1.
embodiment 9
(1) take by weight ratio raw material: polypropylene 46, polyethylene 10, mica 10, elastomerics 6, compatilizer 8, oxidation inhibitor 0.5, other auxiliary agents 1;
(2) polypropylene, elastomerics, grafted monomer, initiator, oxidation inhibitor are placed in to high-speed mixer and mixing 10 minutes together with other auxiliary agents;
(3) material is added in twin screw extruder, control rate of feeding, by side, feed mouth glass is added to forcing machine; Control glass radical and rate of feeding, control content of glass fiber 20.Granulation, the rotating speed of dual-screw-stem machine is 300 turn/min; Twin-screw extrusion complete processing is with embodiment 1.
The glass fiber reinforced polypropylene composite material that embodiment 7-9 is made carries out Mechanics Performance Testing contrast, and result is shown as table 7.
Table 7: glass fiber reinforced polypropylene composite material performance comparison
The glass fiber reinforced polypropylene composite material of developing according to above-mentioned formula and technique, along with the increase of compatilizer addition, has improved the consistency of glass fibre and polypropylene material, and the floating fibre of product surface has decline trend, and glossiness improves.
embodiment 10-15
Table 8: the weight proportion of embodiment 10-15 fiber glass reinforced polypropylene composition component
Figure 215741DEST_PATH_IMAGE008
Table 9: the various materials that embodiment 10-15 fiber glass reinforced polypropylene composition is required
Figure 859212DEST_PATH_IMAGE009
Figure 194378DEST_PATH_IMAGE010
Figure 736349DEST_PATH_IMAGE011
Embodiment 10-15 concrete technology, with embodiment 1, makes polypropene composition to embodiment 10-15 and carries out Mechanics Performance Testing contrast, and result is shown as table 10.
Table 10: embodiment 10-15 Properties of Polypropylene Composite contrast
Figure 815164DEST_PATH_IMAGE012
The quality melt flow rate (MFR) of polypropylene under 230 ℃ of temperature, load 21.17N condition is 2.0 ~ 50.0g/10min, tensile strength >=20Mpa.The quality melt flow rate (MFR) of polyethylene under 230 ℃ of temperature, load 21.17N condition is 10.0 ~ 40.0g/10min, tensile strength >=15Mpa.
Compared with prior art, the present invention has the following advantages:
The invention has the advantages that ingenious mica powder, elastomerics and the compatilizer performance to the enhancing high gloss of polypropylene material of utilizing, obtained high strength, high impact properties, novel, glossiness good, the polypropylene material of dimensional stabilizing, is suitable for all kinds of automobile-used, household electrical appliances engineering plastics parts of injection molding.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the inventive method; can also make some improvement and supplement, these improvement and supplement and also should be considered as protection scope of the present invention.

Claims (9)

1. a novel high gloss glass fiber reinforced polypropylene composite material, it is characterized in that, by the raw material of following weight part, made: polypropylene 30-80, polyethylene 10 ~ 20, mica 10 ~ 20, glass fibre 10-40, elastomerics 3-12, compatilizer 3 ~ 8, oxidation inhibitor 0.2-1, other auxiliary agents 0.2-2.0.
2. polypropylene composite material according to claim 1, is characterized in that, described polypropylene is one or more in atactic polypropylene(APP), Isotactic polypropylene or syndiotactic polypropylenes.
3. polypropylene composite material according to claim 1, is characterized in that, described polyethylene is one or more in high density polyethylene(HDPE), Low Density Polyethylene or linear low density polyethylene.
4. polypropylene composite material according to claim 1, is characterized in that, described mica is that one or both in phlogopite or white mica are composite, and size is 3～15 μ m.
5. polypropylene composite material according to claim 1, is characterized in that, described glass fibre is alkali-free glass fiber, and its Fibre diameter is 8～20 μ m.
6. polypropylene composite material according to claim 1, is characterized in that, described elastomerics is selected from: polybutadiene rubber, styrene-butadiene rubber(SBR), nitrile rubber, ethylene propylene rubber, terpolymer EP rubber, Toughening Effect of Ethylene Copolymer Elastomer one or more.
7. polypropylene composite material according to claim 1, is characterized in that, described compatilizer is one or more in polypropylene grafted vinylformic acid, toxilic acid, maleic anhydride, glycidyl acrylate.
8. according to the arbitrary described polypropylene composite material preparation method of claim 1-7, it is characterized in that, comprise the following steps: by proportioning, weigh raw material; Other components except glass fibre are placed in to high-speed mixer and mixing 5-10min, and discharging, adds forcing machine by side spout by glass fibre, at dual-screw-stem machine, extrudes, and cooling, granulation, finally dries particle, obtains polypropylene composite material.
9. preparation method according to claim 8, it is characterized in that, the rotating speed of described twin screw extruder is 200-500r/min, forcing machine is set to from being fed to the temperature setting of head: 165 ℃, 170 ℃, 175 ℃, 180 ℃, 190 ℃, 190 ℃, 190 ℃, 185 ℃, 180 ℃, and vacuum tightness≤0.06MPa.
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CN112029192A (en) * 2020-08-12 2020-12-04 中广核俊尔(浙江)新材料有限公司 Low-emission low-warpage long glass fiber reinforced polypropylene composite material suitable for automobile sunroof guide rail and preparation method and application thereof
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