CN105419098A - High-performance chopped glass-fiber-reinforced thermoplastic material and preparation method thereof - Google Patents
High-performance chopped glass-fiber-reinforced thermoplastic material and preparation method thereof Download PDFInfo
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- CN105419098A CN105419098A CN201510977297.1A CN201510977297A CN105419098A CN 105419098 A CN105419098 A CN 105419098A CN 201510977297 A CN201510977297 A CN 201510977297A CN 105419098 A CN105419098 A CN 105419098A
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- glass fiber
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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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
- B29B9/02—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
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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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-performance chopped glass-fiber-reinforced thermoplastic material and a preparation method thereof. The preparation method includes the steps of heating chopped glass fibers, adding the chopped glass fibers to a plastified thermoplastic material melt through a feeding device, and performing mixing through a double-screw extruder and cutting the material into granules. The length of glass fibers is excellent in the material, so that the material is significantly improved in mechanical performance.
Description
Technical field
The invention belongs to engineering plastics technical field, relate to a kind of high-performance short glass fiber specifically and strengthen thermoplastic material and preparation method thereof.
Background technology
In modified plastic industry, after mixing by twin screw extruder on existing general raw material basis, the room for promotion of mechanical property is limited.And downstream client is when Injection moulded part, to mould Dai Gang, thin-walled property, the lightweight of product are all had higher requirement to the mechanical property of modified plastics.For meeting the user demand of client, not changing or changing a little on the basis of existing raw material and tooling cost, producing the high-performance short glass fiber enhancing thermoplastic material that can meet customer requirement is the difficult problem faced in industry.Present stage, although have very large space in raw-material selection, significantly increasing of material cost is difficult to meet downstream injection moulding producer to the requirement of raw materials cost.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of high-performance short glass fiber and strengthening thermoplastic material and preparation method thereof.
The present invention in order to the technical scheme solving its technical problem and adopt is:
A kind of high-performance short glass fiber strengthens thermoplastic material, comprises the component of following weight percentage:
Wherein, described base-material is thermoplastics, and described short glass fiber is the short glass fiber (e.g., base-material be PP, corresponding short glass fiber be PP short glass fiber) corresponding with this base-material.
As a further improvement on the present invention, described base-material be selected from polypropylene (PP), polymeric amide (PA6 or PA66), polycarbonate (PC), acrylonitrile-butadiene-phenylethylene polymkeric substance (ABS) one of them.
As a further improvement on the present invention, described coupling agent is silane coupling agent or aluminate coupling agent.
As a further improvement on the present invention, described selectivity auxiliary agent is one or more in oxidation inhibitor, lubricant, tinting material.
The present invention also provides a kind of high-performance short glass fiber to strengthen the preparation method of thermoplastic material, comprises the following steps:
Step is 1.: get out corresponding base-material, short glass fiber, coupling agent and selectivity auxiliary agent according to the component concentration of claim 1, for subsequent use;
Step is 2.: twin screw extruder is warming up to steady temperature 180 DEG C ~ 280 DEG C, actual temp is corresponding with base-material to be processed;
Step is 3.: described base-material, coupling agent and selectivity auxiliary agent are added in high-speed mixer and mix, and delivers in the A of material station by the mixing material mixed by transport pipe;
Step is 4.: be sent to by the short glass fiber corresponding with base-material in the B of material station;
Step is 5.: the ratio of the corresponding material station of input material used in continuous metering system, wherein material station A:40wt% ~ 95wt%; Material station B:5wt% ~ 60wt%;
Step is 6.: through continuous metering system, join in the main spout of twin screw extruder by material in the A of material station; By in the B of material station, material is through continuous metering system, and join in the side direction spout of twin screw extruder, in the B of this material station, material preheats in process being flow to by metering system in twin screw extruder side direction spout simultaneously;
Step is 7.: Twin screw extruder, by the mixture in the A of material station and the mixing rear cold drawn bar pelletizing of short glass fiber in the B of material station, namely obtains high-performance short glass fiber and strengthens thermoplastic material.
As a further improvement on the present invention, described step 6. in, in described material station B, material is preheated by short glass fiber heating system being flow to by metering system in the process in twin screw extruder side direction spout, this short glass fiber heating system be at least heating tube, heating rod and Infrared Heating one of them.
As a further improvement on the present invention, the heating and temperature control of described short glass fiber heating system is at 120 DEG C ~ 220 DEG C.
The invention has the beneficial effects as follows: this high-performance short glass fiber strengthens thermoplastic material and preparation method thereof, is not changing on the basis of material, significantly promote by the change of working method the mechanical property that short glass fiber strengthens thermoplastic material.
Embodiment
Below in conjunction with embodiment, the present invention is elaborated; but protection scope of the present invention is not limited to following embodiment; namely the simple equivalence in every case done with the present patent application the scope of the claims and description changes and modifies, and all still belongs within patent covering scope of the present invention.
The major equipment that following examples adopt is:
Kodak high-speed mixer: 400L, rotating speed 450rpm/min ~ 550rpm/min, rate of feeding: 500kg/h ~ 850kg/h, devolatilization vacuum tightness :-0.08MPa ~-0.1MPa.
Twin screw extruder: Nanjing Ou Li TSE-75D/600-250-40 parallel dual-screw extruding machine.
Continuous metering system: Bradley originally reaches.
Embodiment 1:
Twin screw extruder is warming up to steady temperature 180 DEG C ~ 230 DEG C, by acrylic resin 68kg, silane coupling agent 0.6kg and selectivity auxiliary agent 1.4kg mixes in high-speed mixer, sends in the A of material station by the mixing material mixed by transport pipe;
The short glass fiber of 30kgPP is sent in the B of material station;
The ratio A:70wt% of corresponding feeding station material used is inputted in continuous metering system; B:30wt%;
Start short glass fiber heating system.Described short glass fiber heating system is, heating tube, the Infrared Heating such as heating rod, setup control Heating temperature 140 DEG C.
Start twin screw extruder and continuous metering system, in the A of material station, material is through continuous metering system, joins in twin-screw extrusion owner spout; In the B of material station, material is through continuous metering system, is added in twin screw extruder side direction spout by feeding machine.In the B of material station, material is being flow in twin screw extruder side direction spout in process by short glass fiber heating system by metering system, PP short glass fiber is heated to design temperature 140 DEG C.
Twin screw extruder, by the mixture in material station A and material station B and the mixing rear cold drawn bar pelletizing of PP short glass fiber, show that short glass fiber strengthens PP finished product.By PP finished product injection moulding machine according to the sample preparation of ISO527, ISO178 and ISO180 standard, detect mechanical property.
Comparative example 1:
Twin screw extruder is warming up to steady temperature 180 DEG C ~ 230 DEG C, by acrylic resin 68kg, silane coupling agent 0.6kg and selectivity auxiliary agent 1.4kg mixes in high-speed mixer, sends in the A of material station by the mixing material mixed by transport pipe;
The short glass fiber of 30kgPP is sent in the B of material station;
The ratio A:70wt% of corresponding feeding station material used is inputted in continuous metering system; B:30wt%;
Start twin screw extruder and continuous metering system, in the A of material station, material is through continuous metering system, joins in twin-screw extrusion owner spout; In the B of material station, material is through continuous metering system, is added in twin screw extruder side direction spout by feeding machine.
Twin screw extruder, by the mixture in material station A and material station B and the mixing rear cold drawn bar pelletizing of PP short glass fiber, show that short glass fiber strengthens PP finished product.By PP finished product injection moulding machine according to the sample preparation of ISO527, ISO178 and ISO180 standard, detect mechanical property.
Embodiment 2:
Twin screw extruder is warming up to steady temperature 180 DEG C ~ 230 DEG C, by ABS resin 68kg, silane coupling agent 0.6kg and selectivity auxiliary agent 1.4kg mixes in high-speed mixer, sends in the A of material station by the mixing material mixed by transport pipe;
The short glass fiber of 30kgABS is sent in the B of material station;
The ratio A:70wt% of corresponding feeding station material used is inputted in continuous metering system; B:30wt%;
Start short glass fiber heating system.Described short glass fiber heating system is, heating tube, the Infrared Heating such as heating rod, setup control Heating temperature 140 DEG C.
Start twin screw extruder and continuous metering system, in the A of material station, material is through continuous metering system, joins in twin-screw extrusion owner spout; In the B of material station, material is through continuous metering system, is added in twin screw extruder side direction spout by feeding machine.In the B of material station, material is being flow in twin screw extruder side direction spout in process by short glass fiber heating system by metering system, ABS short glass fiber is heated to design temperature 140 DEG C.
Twin screw extruder, by the mixture in material station A and material station B and the mixing rear cold drawn bar pelletizing of ABS short glass fiber, draws short GF reinforced ABS finished product.By ABS finished product injection moulding machine according to the sample preparation of ISO527, ISO178 and ISO180 standard, detect mechanical property.
Comparative example 2:
Twin screw extruder is warming up to steady temperature 180 DEG C ~ 230 DEG C, by ABS resin 68kg, silane coupling agent 0.6% and selectivity auxiliary agent 1.4% mix in high-speed mixer, send in the A of material station by the mixing material mixed by transport pipe;
The short glass fiber of 30kgABS is sent in the B of material station;
The ratio A:70wt% of corresponding feeding station material used is inputted in continuous metering system; B:30wt%;
Start twin screw extruder and continuous metering system, in the A of material station, material is through continuous metering system, joins in twin-screw extrusion owner spout; In the B of material station, material is through continuous metering system, is added in twin screw extruder side direction spout by feeding machine.
Twin screw extruder, by the mixture in material station A and material station B and the mixing rear cold drawn bar pelletizing of ABS short glass fiber, draws short GF reinforced ABS finished product.By ABS finished product injection moulding machine according to the sample preparation of ISO527, ISO178 and ISO180 standard, detect mechanical property.
Embodiment 3:
Twin screw extruder is warming up to steady temperature 210 DEG C ~ 250 DEG C, PA6 resin 68kg, silane coupling agent 0.6kg and selectivity auxiliary agent 1.4kg are mixed in high-speed mixer, the mixing material mixed is sent in the A of material station by transport pipe;
The short glass fiber of 30kgPA6 is sent in the B of material station;
The ratio A:70wt% of corresponding feeding station material used is inputted in continuous metering system; B:30wt%;
Start short glass fiber heating system.Described short glass fiber heating system is, heating tube, the Infrared Heating such as heating rod, setup control Heating temperature 180 DEG C.
Start twin screw extruder and continuous metering system, in the A of material station, material is through continuous metering system, joins in twin-screw extrusion owner spout; In the B of material station, material is through continuous metering system, is added in twin screw extruder side direction spout by feeding machine.In the B of material station, material is being flow in twin screw extruder side direction spout in process by short glass fiber heating system by metering system, PA6 short glass fiber is heated to design temperature 180 DEG C.
Twin screw extruder, by the mixture in material station A and material station B and the mixing rear cold drawn bar pelletizing of PA6 short glass fiber, show that short glass fiber strengthens PA6 finished product.By PA6 finished product injection moulding machine according to the sample preparation of ISO527, ISO178 and ISO180 standard, detect mechanical property.
Comparative example 3:
Twin screw extruder is warming up to steady temperature 210 DEG C ~ 250 DEG C, PA6 resin 68kg, silane coupling agent 0.6kg and selectivity auxiliary agent 1.4kg are mixed in high-speed mixer, the mixing material mixed is sent in the A of material station by transport pipe;
The short glass fiber of 30kgPA6 is sent in the B of material station;
The ratio A:70wt% of corresponding feeding station material used is inputted in continuous metering system; B:30wt%;
Start twin screw extruder and continuous metering system, in the A of material station, material is through continuous metering system, joins in twin-screw extrusion owner spout; In the B of material station, material is through continuous metering system, is added in twin screw extruder side direction spout by feeding machine.
Twin screw extruder, by the mixture in material station A and material station B and the mixing rear cold drawn bar pelletizing of PA6 short glass fiber, show that short glass fiber strengthens PA6 finished product.By PA6 finished product injection moulding machine according to the sample preparation of ISO527, ISO178 and ISO180 standard, detect mechanical property.
The test result of sample in table 1 embodiment 1 and comparative example 1
The test result of sample in table 2 embodiment 2 and comparative example 2
The test result of sample in table 3 embodiment 3 and comparative example 3
As can be seen from the mechanical experimental results of above-described embodiment and comparative example, the performance that thermoplastic material prepared by the present invention retains in length etc. at tensile strength, Izod notched impact strength, flexural strength, modulus in flexure and glass is all improved largely, thus meet industry customer's demand, do not improving on the basis of material cost, obtaining the better high-performance short glass fiber of mechanical property and strengthen thermoplastic material.
Claims (7)
1. high-performance short glass fiber strengthens a thermoplastic material, it is characterized in that, comprises the component of following weight percentage:
Wherein, described base-material is thermoplastics, and described short glass fiber is the short glass fiber corresponding with this base-material.
2. high-performance short glass fiber according to claim 1 strengthens thermoplastic material, it is characterized in that: described base-material be selected from polypropylene, polymeric amide, polycarbonate, acrylonitrile-butadiene-phenylethylene polymkeric substance one of them.
3. high-performance short glass fiber according to claim 1 strengthens thermoplastic material, it is characterized in that: described coupling agent is silane coupling agent or aluminate coupling agent.
4. high-performance short glass fiber according to claim 1 strengthens thermoplastic material, it is characterized in that: described selectivity auxiliary agent is one or more in oxidation inhibitor, lubricant, tinting material.
5. the high-performance short glass fiber according to any one of Claims 1-4 strengthens a preparation method for thermoplastic material, it is characterized in that, comprises the following steps:
Step is 1.: get out corresponding base-material, short glass fiber, coupling agent and selectivity auxiliary agent according to the component concentration of claim 1, for subsequent use;
Step is 2.: twin screw extruder is warming up to steady temperature 180 DEG C ~ 280 DEG C, actual temp is corresponding with base-material to be processed;
Step is 3.: described base-material, coupling agent and selectivity auxiliary agent are added in high-speed mixer and mix, and delivers in the A of material station by the mixing material mixed by transport pipe;
Step is 4.: be sent to by the short glass fiber corresponding with base-material in the B of material station;
Step is 5.: the ratio of the corresponding material station of input material used in continuous metering system, wherein material station A:40wt% ~ 95wt%; Material station B:5wt% ~ 60wt%;
Step is 6.: through continuous metering system, join in the main spout of twin screw extruder by material in the A of material station; By in the B of material station, material is through continuous metering system, and join in the side direction spout of twin screw extruder, in the B of this material station, material preheats in process being flow to by metering system in twin screw extruder side direction spout simultaneously;
Step is 7.: Twin screw extruder, by the mixture in the A of material station and the mixing rear cold drawn bar pelletizing of short glass fiber in the B of material station, namely obtains high-performance short glass fiber and strengthens thermoplastic material.
6. high-performance short glass fiber according to claim 5 strengthens the preparation method of thermoplastic material, it is characterized in that: described step 6. in, in described material station B, material is preheated by short glass fiber heating system being flow to by metering system in the process in twin screw extruder side direction spout, this short glass fiber heating system be at least heating tube, heating rod and Infrared Heating one of them.
7. high-performance short glass fiber according to claim 6 strengthens the preparation method of thermoplastic material, it is characterized in that: the heating and temperature control of described short glass fiber heating system is at 120 DEG C ~ 220 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977297.1A CN105419098A (en) | 2015-12-23 | 2015-12-23 | High-performance chopped glass-fiber-reinforced thermoplastic material and preparation method thereof |
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| CN201510977297.1A CN105419098A (en) | 2015-12-23 | 2015-12-23 | High-performance chopped glass-fiber-reinforced thermoplastic material and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202011136U (en) * | 2011-04-06 | 2011-10-19 | 柳州市海达新型材料科技有限公司 | Modified plastic extruder |
| CN102276955A (en) * | 2011-07-18 | 2011-12-14 | 余姚市中发工程塑料有限公司 | Antistatic glass fiber reinforcement ABS (acrylonitrile butadiene styrene) composite material |
| CN102604353A (en) * | 2012-02-21 | 2012-07-25 | 北京泰合源通生物科技有限公司 | Glass fiber reinforced polycarbonate composite material and preparation method thereof |
| CN103342858A (en) * | 2013-06-29 | 2013-10-09 | 金发科技股份有限公司 | Chopped glass fiber reinforced polypropylene composite material and preparation method and application thereof |
| CN104277327A (en) * | 2014-09-25 | 2015-01-14 | 广东中科顺威新材料科技发展有限公司 | Polypropylene material and preparation method thereof |
| CN104804416A (en) * | 2015-03-17 | 2015-07-29 | 南京利华工程塑料有限公司 | Colorful photoaging-resistant glass fiber reinforced polyamide and preparation method thereof |
| CN105111590A (en) * | 2015-09-18 | 2015-12-02 | 南京利华工程塑料有限公司 | High-weather-resistant anti-aging glass fiber reinforced polypropylene material and preparation method thereof |
-
2015
- 2015-12-23 CN CN201510977297.1A patent/CN105419098A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202011136U (en) * | 2011-04-06 | 2011-10-19 | 柳州市海达新型材料科技有限公司 | Modified plastic extruder |
| CN102276955A (en) * | 2011-07-18 | 2011-12-14 | 余姚市中发工程塑料有限公司 | Antistatic glass fiber reinforcement ABS (acrylonitrile butadiene styrene) composite material |
| CN102604353A (en) * | 2012-02-21 | 2012-07-25 | 北京泰合源通生物科技有限公司 | Glass fiber reinforced polycarbonate composite material and preparation method thereof |
| CN103342858A (en) * | 2013-06-29 | 2013-10-09 | 金发科技股份有限公司 | Chopped glass fiber reinforced polypropylene composite material and preparation method and application thereof |
| CN104277327A (en) * | 2014-09-25 | 2015-01-14 | 广东中科顺威新材料科技发展有限公司 | Polypropylene material and preparation method thereof |
| CN104804416A (en) * | 2015-03-17 | 2015-07-29 | 南京利华工程塑料有限公司 | Colorful photoaging-resistant glass fiber reinforced polyamide and preparation method thereof |
| CN105111590A (en) * | 2015-09-18 | 2015-12-02 | 南京利华工程塑料有限公司 | High-weather-resistant anti-aging glass fiber reinforced polypropylene material and preparation method thereof |
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Application publication date: 20160323 |