CN103289197A - Polypropylene composite material containing potassium titanate whiskers and glass fibers and preparation method thereof - Google Patents

Polypropylene composite material containing potassium titanate whiskers and glass fibers and preparation method thereof Download PDF

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Publication number
CN103289197A
CN103289197A CN2013102294518A CN201310229451A CN103289197A CN 103289197 A CN103289197 A CN 103289197A CN 2013102294518 A CN2013102294518 A CN 2013102294518A CN 201310229451 A CN201310229451 A CN 201310229451A CN 103289197 A CN103289197 A CN 103289197A
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potassium titanate
crystal whisker
titanate crystal
glass fibre
composite material
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CN103289197B (en
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朱辅华
潘进晶
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SUZHOU HECHANG JUHE MATERIAL Co Ltd
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SUZHOU HECHANG JUHE MATERIAL Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating

Abstract

The invention relates to a polypropylene composite material containing potassium titanate whiskers and glass fibers and a preparation method thereof. The polypropylene composite material comrpises the following components in percentage by weight: 49%-71% of polypropylene, 20%-35% of the glass fibers, 3%-5% of the potassium titanate whiskers, 5%-10% of compatilizers, 0.3%-0.5% of coupling agents, 0.1%-0.2% of nucleating agents, 0.1%-0.2% of lubricating agents and 0.2%-0.4% of antioxidants. According to the invention, the polypropylene is reinforced by compounding the potassium titanate whiskers and the glass fibers, and the mechanical property of the composite material and the processing property and surface smoothness of the composite material are enhanced by utilizing the characteristics of the potassium titanate whiskers; in addition, the binding force and high-temperature dimensional stability between a base body and a filler are enhanced by adding the compatilizers and the nucleating agents. By adopting the means, the prepared polypropylene composite material disclosed by the invention has the advantages of high mechanical property, good processing property, good dimensional stability, high surface smoothness, very good market application prospect, and the like.

Description

Contain polypropylene composite material of potassium titanate crystal whisker and glass fibre and preparation method thereof
Technical field
The present invention relates to a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre and preparation method thereof, belong to technical field of composite materials.
Background technology
Polypropylene (PP) has obtained application widely owing to have favorable mechanical performance, nontoxic, advantages such as relative density is low, heat-resisting, chemical-resistant resistance, cheap, easy-formation processing, recyclable utilization.But polypropylene low temperature fragility is poor, not wear-resisting, easily aging, molding shrinkage is big, impact resistance is poor, thereby limited its range of application.
The compound Reinforced Polypropylene of glass fibre is to improve the comprehensive physicals of polypropylene material the most universal the most effective method, but because glass fibre is thick, itself and resin compatible are bad, skewness in resin, smoothness, the aesthetic property of product surface are poor, and have that to add man-hour mobile poor, serious to die wear, in complicated die, be difficult to be evenly distributed, easily produce the poor pars fibrosa of bad mechanical strength, can not be used for injection molding and process various precise parts.
Potassium titanate crystal whisker is a kind of novel high performance strongthener, and its geometrical dimension is tiny, and length-to-diameter ratio is bigger, and it is less to include defective, and intensity is very high, has excellent mechanical property and physicals.During as packing material. potassium titanate crystal whisker not only can play enhancement, and it is less to the manufacturability influence of body material, thereby realize micro-enhancing, make isotropy, the surface quality height of resulting product, can improve creep resistant, low abrasion, thermotolerance and the dimensional stability etc. of material, can be used for making the precision parts of different shape complexity.
Summary of the invention
The purpose of this invention is to provide a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre and preparation method thereof.
Purpose of the present invention is achieved through the following technical solutions:
The polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, the quality percentage composition of its composition is: polypropylene 49wt%~71wt%, glass fibre 20wt%~35wt%, potassium titanate crystal whisker 3wt%~5wt%, compatilizer 5wt%~10wt%, coupling agent 0.3wt%~0.5wt%, nucleator 0.1wt~0.2wt%, lubricant 0.1wt%~0.2wt%, oxidation inhibitor 0.2wt%~0.4wt%.
Further, the above-mentioned polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, described polypropylene be in homopolymerization type polypropylene, the copolymerized type propene polymer one or both; Described glass fibre is alkali-free glass fiber; Described potassium titanate crystal whisker is crystal whisker of hexa potassium titanate, diameter 0.1um~1.0um, length 1.0um~100um, specific surface area 4m 2/ g; Described compatilizer is the polypropylene grafted maleic anhydride multipolymer, and the percentage of grafting of its maleic anhydride is 1%, and melt flow rate (MFR) is greater than 80g/10min; Described coupling agent is silane coupling agent KH550 ethanolic soln, and wherein the content of KH550 is 15wt%~30wt%; Described nucleator is super nucleator HPN-68L; Described lubricant is Zinic stearas or ethylene bis stearamide; Described oxidation inhibitor is antioxidant 1010 and oxidation inhibitor 168 composite dose, and antioxidant 1010 is 1:2 with the composite ratio of oxidation inhibitor 168.
Further, the above-mentioned polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, its component is: polypropylene 49wt%, glass fibre 35wt%, potassium titanate crystal whisker 5wt%, compatilizer 10wt%, coupling agent 0.5wt%, nucleator 0.1wt%, lubricant 0.2wt%, oxidation inhibitor 0.2wt%.
The present invention contains the preparation method of the polypropylene composite material of potassium titanate crystal whisker and glass fibre, may further comprise the steps:
1) potassium titanate crystal whisker surface treatment: potassium titanate crystal whisker is added in the stirrer, add coupling agent ethanolic soln stirring at low speed 20min~30min by proportioning, the potassium titanate crystal whisker that obtains handling well, the stirrer temperature is controlled at 90 ℃~120 ℃;
2) raw material mixes: polypropylene, compatilizer, nucleator, lubricant and oxidation inhibitor are added stirrer for mixing 3min~5min, and thing is uniformly mixed;
3) mixing in twin screw extruder: the mixture that step (2) is obtained adds in the twin screw extruder mixing, in extrusion, add glass fibre, potassium titanate crystal whisker adds from the side direction spout near the head position, the temperature of twin screw extruder is set in 170~220 ℃, the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
4) material is extruded the back pelletizing, namely obtains the described pellet that contains the polypropylene composite material of potassium titanate crystal whisker and glass fibre.
Again further, the preparation method of the above-mentioned polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, at first, 5 parts of potassium titanate crystal whiskers are added stirrer stir preheating, the control of stirrer temperature is between 90 ℃~120 ℃, add 0.5 part of silane coupling agent KH550 ethanolic soln stirring at low speed 20min~30min then, obtain the good potassium titanate crystal whisker of surface treatment; 49 parts of polypropylene, 10 parts of compatilizers, 0.1 portion of nucleator, 0.2 part of lubricant and 0.2 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, the potassium titanate crystal whisker that side direction adds 35 parts of glass fibre and handles well in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre; The temperature of twin screw extruder is set in 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
Substantive distinguishing features and obvious improvement that technical solution of the present invention is outstanding are mainly reflected in:
1. the present invention adopts potassium titanate crystal whisker strongthener as a supplement, and it has been carried out surface modification with coupling agent, has improved its consistency dispersed and matrix;
2. adopt the side direction feeding to add glass fibre and potassium titanate crystal whisker, simplified complete processing, reduced the residence time of potassium titanate crystal whisker in forcing machine simultaneously, the length-to-diameter ratio of potassium titanate crystal whisker is kept;
3. adopt the polypropylene grafted maleic anhydride multipolymer as expanding material, improve the consistency of glass fibre, potassium titanate crystal whisker and matrix resin, the enhancement of filler is given full play to;
4. add nucleator, be conducive to improve polyacrylic crystalline texture, reduce the rearrangement of polypropylene segment, increase the dimensional stability of goods when high temperature;
5. adopt the compound Reinforced Polypropylene of potassium titanate crystal whisker and glass fibre, improved the mechanical property of polypropylene material, improved processing characteristics, dimensional stability and surface smoothness simultaneously.
Embodiment
A kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, its composition is: polypropylene 49%~71%, glass fibre 20t%~35%, potassium titanate crystal whisker 3%~5%, compatilizer 5%~10%, coupling agent 0.3%~0.5%, nucleator 0.1wt~0.2%, lubricant 0.1%~0.2%, oxidation inhibitor 0.2%~0.4%.Screening formulation is: polypropylene: 49wt%, glass fibre: 35wt%, potassium titanate crystal whisker: 5wt%, compatilizer: 10wt%, coupling agent 0.5wt%, nucleator: 0.1wt%, lubricant: 0.2wt%, oxidation inhibitor: 0.2wt%.Wherein, polypropylene be in homopolymerization type polypropylene or the copolymerized type propene polymer one or more; Glass fibre is alkali-free glass fiber; Potassium titanate crystal whisker is crystal whisker of hexa potassium titanate, diameter 0.1um~1.0um, length 1.0um~100um, specific surface area 4m 2/ g; Compatilizer is the polypropylene grafted maleic anhydride multipolymer, and wherein maleic anhydride grafting ratio is 1%, and melt flow rate (MFR) is greater than 80g/10min; Coupling agent is silane coupling agent KH550 ethanolic soln, and wherein the content of KH550 is 15wt%~30wt%; Nucleator is super nucleator HPN-68L; Lubricant is Zinic stearas or ethylene bis stearamide; Described oxidation inhibitor is the compound (antioxidant 1010 is 1:2 with the composite ratio of oxidation inhibitor 168) of antioxidant 1010 and oxidation inhibitor 168.
Concrete preparation process is: (1) potassium titanate crystal whisker surface treatment: potassium titanate crystal whisker is added in the stirrer, add KH550 coupling agent ethanolic soln stirring at low speed 20min~30min by proportioning, the potassium titanate crystal whisker that obtains handling well, the stirrer temperature is controlled at 90 ℃~120 ℃; (2) raw material mixes: will stir except other raw material adding height of glass fibre and potassium titanate crystal whisker and mix 3min~5min in the machine, thing is uniformly mixed; (3) mixing in twin screw extruder: the mixture that step (2) is obtained adds in the twin screw extruder mixing, adds glass fibre in extrusion, and potassium titanate crystal whisker is from the side direction spout adding near the head position.The temperature of twin screw extruder is set between 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1(4) material is extruded the back pelletizing, namely obtains the described pellet that contains the polypropylene composite material of potassium titanate crystal whisker and glass fibre.Material has characteristics such as mechanical property height, good processability, dimensional stability are good, surface smoothness height.
The potassium titanate crystal whisker geometrical dimension is tiny. and length-to-diameter ratio is bigger, and it is less to include defective, and intensity is very high, has excellent mechanical property and physicals.When making packing material, potassium titanate crystal whisker not only can play enhancement, and less to the manufacturability influence of body material, thereby realize micro-enhancing, make isotropy, the surface quality height of resulting product, improve the creep resistant of material, low abrasion, thermotolerance and dimensional stability etc.
Embodiment 1:
5 parts of potassium titanate crystal whiskers are added stirrer stir preheating, the stirrer temperature is controlled between 90 ℃~120 ℃, adds 0.5 part of KH550 ethanolic soln stirring at low speed 20min~30min then, obtains the good potassium titanate crystal whisker of surface treatment; 49 parts of polypropylene, 10 parts of compatilizers, 0.1 portion of nucleator, 0.2 part of lubricant and 0.2 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, the potassium titanate crystal whisker that side direction adds 35 parts of glass fibre and handles well in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre.The temperature of twin screw extruder is set between 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
Comparative Examples1:
54.5 parts of polypropylene, 10 parts of compatilizers, 0.1 portion of nucleator, 0.2 part of lubricant and 0.2 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, and side direction adds 35 parts of glass fibre in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre.The temperature of twin screw extruder is set between 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
Embodiment 2:
4 parts of potassium titanate crystal whiskers are added stirrer stir preheating, the stirrer temperature is controlled between 90 ℃~120 ℃, adds 0.4 part of KH550 ethanolic soln stirring at low speed 20min~30min then, obtains the good potassium titanate crystal whisker of surface treatment; 57 parts of polypropylene, 8 parts of compatilizers, 0.1 portion of nucleator, 0.2 part of lubricant and 0.3 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, the potassium titanate crystal whisker that side direction adds 30 parts of glass fibre and handles well in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre.The temperature of twin screw extruder is set between 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
Comparative Examples 2:
59.5 parts of polypropylene, 10 parts of compatilizers, 0.1 portion of nucleator, 0.2 part of lubricant and 0.2 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, and side direction adds 30 parts of glass fibre in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre.The temperature of twin screw extruder is set between 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
Embodiment 3:
3 parts of potassium titanate crystal whiskers are added stirrer stir preheating, the stirrer temperature is controlled between 90 ℃~120 ℃, adds 0.3 part of KH550 ethanolic soln stirring at low speed 20min~30min then, obtains the good potassium titanate crystal whisker of surface treatment; 71 parts of polypropylene, 5 parts of compatilizers, 0.2 portion of nucleator, 0.1 part of lubricant and 0.4 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, the potassium titanate crystal whisker that side direction adds 20 parts of glass fibre and handles well in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre.The temperature of twin screw extruder is set between 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
Comparative Examples3:
74.3 parts of polypropylene, 5 parts of compatilizers, 0.2 portion of nucleator, 0.1 part of lubricant and 0.4 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, and side direction adds 20 parts of glass fibre in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre.The temperature of twin screw extruder is set between 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
Embodiment 4:
3 parts of potassium titanate crystal whiskers are added stirrer stir preheating, the stirrer temperature is controlled between 90 ℃~120 ℃, adds 0.3 part of KH550 ethanolic soln stirring at low speed 20min~30min then, obtains the good potassium titanate crystal whisker of surface treatment; 56 parts of polypropylene, 10 parts of compatilizers, 0.1 portion of nucleator, 0.2 part of lubricant and 0.4 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, the potassium titanate crystal whisker that side direction adds 30 parts of glass fibre and handles well in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre.The temperature of twin screw extruder is set between 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
Embodiment 5:
4 parts of potassium titanate crystal whiskers are added stirrer stir preheating, the stirrer temperature is controlled between 90 ℃~120 ℃, adds 0.4 part of KH550 ethanolic soln stirring at low speed 20min~30min then, obtains the good potassium titanate crystal whisker of surface treatment; 67 parts of polypropylene, 8 parts of compatilizers, 0.1 portion of nucleator, 0.2 part of lubricant and 0.3 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, the potassium titanate crystal whisker that side direction adds 20 parts of glass fibre and handles well in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre.The temperature of twin screw extruder is set between 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
With being injection molded into the standard batten after the above embodiment products obtained therefrom drying, test its performance by national standard, the result is as shown in table 1.
Table 1 embodiment, Comparative Examples test result
As seen from the above table, when improving material mechanical performance, add melt flow index, shrinking percentage and surface smoothness that potassium titanate crystal whisker can significantly improve matrix material.
In sum, the present invention adopts potassium titanate crystal whisker reinforcing filler as a supplement, and it has been carried out surface modification with coupling agent, has improved its consistency dispersed and matrix.Adopt the side direction feeding to add glass fibre and potassium titanate crystal whisker, simplified complete processing, reduced the residence time of potassium titanate crystal whisker in forcing machine simultaneously, the length-to-diameter ratio of potassium titanate crystal whisker is kept.Adopt the polypropylene grafted maleic anhydride multipolymer as expanding material, improve the consistency of glass fibre, potassium titanate crystal whisker and matrix resin, the enhancement of filler is given full play to.Add nucleator, be conducive to improve polyacrylic crystalline texture, reduce the rearrangement of polypropylene segment, increase the dimensional stability of goods when high temperature.The present invention has improved the mechanical property of polypropylene material by potassium titanate crystal whisker and the compound Reinforced Polypropylene of glass fibre, has improved processing characteristics, dimensional stability and surface smoothness simultaneously, and the modified polypropylene material of preparation has good application prospects.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the rights protection scope of the present invention.

Claims (10)

1. the polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, the quality percentage composition that it is characterized in that its composition is: polypropylene 49wt%~71wt%, glass fibre 20wt%~35wt%, potassium titanate crystal whisker 3wt%~5wt%, compatilizer 5wt%~10wt%, coupling agent 0.3wt%~0.5wt%, nucleator 0.1wt~0.2wt%, lubricant 0.1wt%~0.2wt%, oxidation inhibitor 0.2wt%~0.4wt%.
2. the polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1 is characterized in that: described polypropylene be in homopolymerization type polypropylene, the copolymerized type propene polymer one or both.
3. the polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1, it is characterized in that: described glass fibre is alkali-free glass fiber.
4. the polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1, it is characterized in that: described potassium titanate crystal whisker is crystal whisker of hexa potassium titanate, diameter 0.1um~1.0um, length 1.0um~100um, specific surface area 4m 2/ g.
5. the polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1, it is characterized in that: described compatilizer is the polypropylene grafted maleic anhydride multipolymer, and the percentage of grafting of its maleic anhydride is 1%, and melt flow rate (MFR) is greater than 80g/10min.
6. the polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1, it is characterized in that: described coupling agent is silane coupling agent KH550 ethanolic soln, and wherein the content of KH550 is 15wt%~30wt%.
7. the polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1, it is characterized in that: described nucleator is super nucleator HPN-68L.
8. the polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1, it is characterized in that: described lubricant is Zinic stearas or ethylene bis stearamide.
9. the preparation method who contains the polypropylene composite material of potassium titanate crystal whisker and glass fibre according to claim 1 is characterized in that may further comprise the steps:
1) potassium titanate crystal whisker surface treatment: potassium titanate crystal whisker is added in the stirrer, add coupling agent ethanolic soln stirring at low speed 20min~30min by proportioning, the potassium titanate crystal whisker that obtains handling well, the stirrer temperature is controlled at 90 ℃~120 ℃;
2) raw material mixes: polypropylene, compatilizer, nucleator, lubricant and oxidation inhibitor are added stirrer for mixing 3min~5min, and thing is uniformly mixed;
3) mixing in twin screw extruder: the mixture that step (2) is obtained adds in the twin screw extruder mixing, in extrusion, add glass fibre, potassium titanate crystal whisker adds from the side direction spout near the head position, the temperature of twin screw extruder is set in 170~220 ℃, the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
4) material is extruded the back pelletizing, namely obtains the described pellet that contains the polypropylene composite material of potassium titanate crystal whisker and glass fibre.
10. the preparation method who contains the polypropylene composite material of potassium titanate crystal whisker and glass fibre according to claim 9, it is characterized in that: at first, 5 parts of potassium titanate crystal whiskers are added stirrer stir preheating, the control of stirrer temperature is between 90 ℃~120 ℃, add 0.5 part of silane coupling agent KH550 ethanolic soln stirring at low speed 20min~30min then, obtain the good potassium titanate crystal whisker of surface treatment; 49 parts of polypropylene, 10 parts of compatilizers, 0.1 portion of nucleator, 0.2 part of lubricant and 0.2 part of oxidation inhibitor are added height stir and stir 3min~5min in the machine, thing is uniformly mixed; Mixture is mixing through twin screw extruder, the potassium titanate crystal whisker that side direction adds 35 parts of glass fibre and handles well in the extrusion, and last pelletizing obtains containing the pellet of the polypropylene composite material of potassium titanate crystal whisker and glass fibre; The temperature of twin screw extruder is set in 170~220 ℃, and the total residence time of mixture in twin screw extruder is 3~8min, and the twin screw extruder rotating speed is at 200~250r.min -1
CN201310229451.8A 2013-06-09 2013-06-09 Polypropylene composite material of containing potassium titanate whisker and glass fibre and preparation method thereof Active CN103289197B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107118437A (en) * 2017-05-18 2017-09-01 中广核俊尔新材料有限公司 Lower shrinkage, Long Glass Fiber Reinforced PP Composite of low warpage and its preparation method and application
CN107459804A (en) * 2017-08-16 2017-12-12 宜宾天原集团股份有限公司 Toughened and reinforced poly (arylene ether nitrile) composite material of inorganic crystal whisker and preparation method thereof
CN111961285A (en) * 2020-08-26 2020-11-20 安徽国泰智能科技有限公司 Modified polypropylene kuppe for van

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1468897A (en) * 2003-06-10 2004-01-21 上海英泰塑胶有限公司 Composite polypropylene material containing potassium titanate whisker and glass fiber

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1468897A (en) * 2003-06-10 2004-01-21 上海英泰塑胶有限公司 Composite polypropylene material containing potassium titanate whisker and glass fiber

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107118437A (en) * 2017-05-18 2017-09-01 中广核俊尔新材料有限公司 Lower shrinkage, Long Glass Fiber Reinforced PP Composite of low warpage and its preparation method and application
CN107118437B (en) * 2017-05-18 2019-08-13 中广核俊尔新材料有限公司 Lower shrinkage, Long Glass Fiber Reinforced PP Composite of low warpage and its preparation method and application
CN107459804A (en) * 2017-08-16 2017-12-12 宜宾天原集团股份有限公司 Toughened and reinforced poly (arylene ether nitrile) composite material of inorganic crystal whisker and preparation method thereof
CN111961285A (en) * 2020-08-26 2020-11-20 安徽国泰智能科技有限公司 Modified polypropylene kuppe for van

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