CN108165003A - A kind of high content of glass fiber enhancing high-temperature nylon composite material and preparation method thereof - Google Patents
A kind of high content of glass fiber enhancing high-temperature nylon composite material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of high content of glass fiber enhancing high-temperature nylon composite materials and preparation method thereof, and by five kinds of high-temperature nylon resin, short glass fiber, toughener, antioxidant and lubricant into being grouped as, they are formed by following weight ratio：30~90 parts of high-temperature nylon resin, 20~60 parts of short glass fiber fiber, 1~10 part of toughener, 0.1~1 part of antioxidant, 0.2~2 part of lubricant.Compared with glass fiber reinforcement high-temperature nylon composite material common currently on the market, high content of glass fiber of the invention enhancing high-temperature nylon composite material has in the performances such as tensile strength, stretch modulus, impact strength significantly to be promoted.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to a kind of high content of glass fiber enhancing high-temperature nylon
Composite material and preparation method thereof.
Background technology
Nylon has good comprehensive performance, and glass fibre reinforced nylon composite material is that domestic and international application is wider at present
High-performance reinforcing material.High-temperature nylon since fusing point is higher, can at relatively high temperatures continuous work and by domestic and international every profession and trade
Concern.Glass fibre has a variety of excellent properties such as high mechanical strength, heat resistance is good, corrosion resistance is excellent, good insulating, quilt
It is widely used in the fields such as electronic equipments, construction material, sports equipment, aircraft automobile.However, glass fibre increases currently on the market
Strong nylon material is mostly to enhance based on PA6, PA66, and content of glass fiber, based on 10~40 parts, high content of glass fiber increases
It is less that strong nylon especially enhances high-temperature nylon material.High content of glass fiber enhancing high-temperature nylon composite material is exactly from market
It sets out, has higher force performance, and require material can be in higher temperature to solve some special industry product requirement materials
A kind of quality material spent lower continuous work and researched and developed.
Invention content
In order to overcome existing technical deficiency, a kind of mechanical property of present invention offer is good, can be under higher temperature environment
The high content of glass fiber enhancing high-temperature nylon composite material of continuous work.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of high content of glass fiber enhancing high-temperature nylon composite material, by high-temperature nylon resin, short glass fiber,
Into being grouped as, they are formed by following weight ratio for five kinds of toughener, antioxidant and lubricant：30~90 parts of high-temperature nylon resin,
20~60 parts of short glass fiber fiber, 1~10 part of toughener, 0.1~1 part of antioxidant, 0.2~2 part of lubricant.
The high-temperature nylon resin is one or several kinds of in nylon66 fiber, nylon 46, nylon 6T and nylon 9 T etc.
Combination.
The short glass fiber passes through the short glass fiber of silane coupling agent processing, length 6mm for surface.
The toughener is one or several kinds of combinations in EPDM, POE and SEBS of maleic anhydride grafting.
The antioxidant is hindered phenol antioxygen 1010, phosphite ester kind antioxidant 168 and the antioxidant of resistance to nitrogen oxides
One or several kinds in GA80 etc. compound.
The lubricant is one kind in polytetrafluoroethylene (PTFE) and molybdenum disulfide.
The preparation method of above-mentioned high content of glass fiber enhancing high-temperature nylon composite material, its step are as follows：
(1) fiberglass surfacing is handled：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
(2) raw material high-temperature nylon resin and other auxiliary agents are weighed according to weight proportion, the raw material weighed up is put into height
It is sufficiently mixed in fast mixer 3~5 minutes；
(3) substance that step (2) obtains is sent into double screw extruder, and through main feeder in double screw extruder
The glass fibre obtained through step (1) is added in side spout, by double screw extruder melting extrusion, expressing technique is：It is double
Screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C~320 DEG C of two area's temperature, three area's temperature 310 DEG C~320
DEG C, 310 DEG C~320 DEG C of four area's temperature, 310 DEG C~320 DEG C of five area's temperature, 305 DEG C~310 DEG C of six area's temperature, seven area's temperature 305
DEG C~310 DEG C, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature, 315 DEG C~325 DEG C of head temperature, screw rod
Rotating speed 300r/min~500r/min；
(4) substance for obtaining step (3) after tie rod by carrying out air cooling, pelletizing, drying process.
Compared with glass fiber reinforcement high-temperature nylon composite material common currently on the market, high glass fibre of the invention
Content enhancing high-temperature nylon composite material has in the performances such as tensile strength, stretch modulus, impact strength significantly to be promoted.
Specific embodiment
Technical scheme of the present invention is further described with reference to specific example.
High content of glass fiber enhances high-temperature nylon composite material, and composition (weight ratio) is：High-temperature nylon resin 30~
90 parts, 20~60 parts of short glass fiber, 1~10 part of toughener, 0.1~1 part of antioxidant, 0.2~2 part of lubricant.
The high-temperature nylon resin that this product uses can be one kind in nylon66 fiber, nylon 46, nylon 6T and nylon 9 T etc.
Or several combination；Short glass fiber passes through the short glass fiber of silane coupling agent processing, length 6mm for surface；
The combination of one or more of EPDM, POE, the SEBS of toughener for maleic anhydride grafting；Antioxidant is by hindered phenol antioxygen
1010th, the one or several kinds in phosphite ester kind antioxidant 168 and the antioxidant of resistance to nitrogen oxides GA80 etc. compound；Lubrication
Agent is one kind in polytetrafluoroethylene (PTFE) and molybdenum disulfide.
The preparation method of high content of glass fiber enhancing high-temperature nylon composite material：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：Raw material high-temperature nylon resin and other auxiliary agents are weighed according to weight proportion, the raw material weighed up are put into height
It is sufficiently mixed in fast mixer 3~5 minutes；
3)：The substance that step (2) obtains is sent into double screw extruder, and through main feeder in double screw extruder
The glass fibre obtained through step (1) is added in side spout, by double screw extruder melting extrusion, expressing technique is：It is double
Screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C~320 DEG C of two area's temperature, three area's temperature 310 DEG C~320
DEG C, 310 DEG C~320 DEG C of four area's temperature, 310 DEG C~320 DEG C of five area's temperature, 305 DEG C~310 DEG C of six area's temperature, seven area's temperature 305
DEG C~310 DEG C, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature, 315 DEG C~325 DEG C of head temperature, screw rod
Rotating speed 300r/min~500r/min；
4)：The substance that step (3) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
For ease of being further understood to the present invention, in conjunction with specific embodiment, the present invention will be described in detail.
Embodiment 1：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：56.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
3)：The substance that step (2) obtains is sent into double screw extruder, and through main feeder in double screw extruder
The glass fibre that parts by weight are 40 parts is added in lateral spout；By double screw extruder melting extrusion, expressing technique is：
Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C~320 DEG C of two area's temperature, 310 DEG C of three area's temperature~
320 DEG C, 310 DEG C~320 DEG C of four area's temperature, 310 DEG C~320 DEG C of five area's temperature, 305 DEG C~310 DEG C of six area's temperature, seven area's temperature
305 DEG C~310 DEG C, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature, 315 DEG C~325 DEG C of head temperature,
Screw speed 300r/min~500r/min.
4)：The substance that step (3) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
Embodiment 2：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：51.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
3)：The substance that step (2) obtains is sent into through main feeder in double screw extruder, the main feeder turns
Speed is 30r.p.m, and the glass fibre that parts by weight are 45 parts is added in the lateral spout of double screw extruder；By double
Screw extruder melting extrusion, expressing technique are：Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, two area's temperature
310 DEG C~320 DEG C of degree, 310 DEG C~320 DEG C of three area's temperature, 310 DEG C~320 DEG C of four area's temperature, five area's temperature 310 DEG C~320
DEG C, 305 DEG C~310 DEG C of six area's temperature, 305 DEG C~310 DEG C of seven area's temperature, 310 DEG C~320 DEG C of eight area's temperature, nine area's temperature 310
DEG C~320 DEG C, 315 DEG C~325 DEG C of head temperature, screw speed 300r/min~500r/min.
4)：The substance that step (3) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
Embodiment 3：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：46.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
3)：The substance that step (2) obtains is sent into through main feeder in double screw extruder, the main feeder turns
Speed is 30r.p.m, and the glass fibre that parts by weight are 50 parts is added in the lateral spout of double screw extruder；By double
Screw extruder melting extrusion, expressing technique are：Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, two area's temperature
310 DEG C~320 DEG C of degree, 310 DEG C~320 DEG C of three area's temperature, 310 DEG C~320 DEG C of four area's temperature, five area's temperature 310 DEG C~320
DEG C, 305 DEG C~310 DEG C of six area's temperature, 305 DEG C~310 DEG C of seven area's temperature, 310 DEG C~320 DEG C of eight area's temperature, nine area's temperature 310
DEG C~320 DEG C, 315 DEG C~325 DEG C of head temperature, screw speed 300r/min~500r/min.
4)：The substance that step (3) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
Embodiment 4：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：36.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
3)：The substance that step (2) obtains is sent into through main feeder in double screw extruder, the main feeder turns
Speed is 30r.p.m, and the glass fibre that parts by weight are 60 parts is added in the lateral spout of double screw extruder；By double
Screw extruder melting extrusion, expressing technique are：Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, two area's temperature
310 DEG C~320 DEG C of degree, 310 DEG C~320 DEG C of three area's temperature, 310 DEG C~320 DEG C of four area's temperature, five area's temperature 310 DEG C~320
DEG C, 305 DEG C~310 DEG C of six area's temperature, 305 DEG C~310 DEG C of seven area's temperature, 310 DEG C~320 DEG C of eight area's temperature, nine area's temperature 310
DEG C~320 DEG C, 315 DEG C~325 DEG C of head temperature, screw speed 300r/min~500r/min.
4)：The substance that step (3) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
Comparative example 1：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：86.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
3)：The substance that step (2) obtains is sent into through main feeder in double screw extruder, the main feeder turns
Speed is 30r.p.m, and 10 parts of short glass fiber is added in the lateral spout of double screw extruder；Pass through twin-screw extrusion
Machine melting extrusion, expressing technique are：Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C of two area's temperature~
320 DEG C, 310 DEG C~320 DEG C of three area's temperature, 310 DEG C~320 DEG C of four area's temperature, 310 DEG C~320 DEG C of five area's temperature, six area's temperature
305 DEG C~310 DEG C, 305 DEG C~310 DEG C of seven area's temperature, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature,
315 DEG C~325 DEG C of head temperature, screw speed 300r/min~500r/min.
4) substance for obtaining step (3) after tie rod by carrying out air cooling, pelletizing, drying process.
Comparative example 2：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：76.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
3)：The substance that step (2) obtains is sent into through main feeder in double screw extruder, the main feeder turns
Speed is 30r.p.m, and 20 parts of short glass fiber is added in the lateral spout of double screw extruder；Pass through twin-screw extrusion
Machine melting extrusion, expressing technique are：Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C of two area's temperature~
320 DEG C, 310 DEG C~320 DEG C of three area's temperature, 310 DEG C~320 DEG C of four area's temperature, 310 DEG C~320 DEG C of five area's temperature, six area's temperature
305 DEG C~310 DEG C, 305 DEG C~310 DEG C of seven area's temperature, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature,
315 DEG C~325 DEG C of head temperature, screw speed 300r/min~500r/min.
4)：The substance that step (3) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
Comparative example 3：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：71.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
3)：The substance that step (2) obtains is sent into through main feeder in double screw extruder, the main feeder turns
Speed is 30r.p.m, and 25 parts of short glass fiber is added in the lateral spout of double screw extruder；Pass through twin-screw extrusion
Machine melting extrusion, expressing technique are：Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C of two area's temperature~
320 DEG C, 310 DEG C~320 DEG C of three area's temperature, 310 DEG C~320 DEG C of four area's temperature, 310 DEG C~320 DEG C of five area's temperature, six area's temperature
305 DEG C~310 DEG C, 305 DEG C~310 DEG C of seven area's temperature, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature,
315 DEG C~325 DEG C of head temperature, screw speed 300r/min~500r/min.
4)：The substance that step (3) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
Comparative example 4：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：66.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
3)：The substance that step (2) obtains is sent into through main feeder in double screw extruder, the main feeder turns
Speed is 30r.p.m, and 30 parts of short glass fiber is added in the lateral spout of double screw extruder；Pass through twin-screw extrusion
Machine melting extrusion, expressing technique are：Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C of two area's temperature~
320 DEG C, 310 DEG C~320 DEG C of three area's temperature, 310 DEG C~320 DEG C of four area's temperature, 310 DEG C~320 DEG C of five area's temperature, six area's temperature
305 DEG C~310 DEG C, 305 DEG C~310 DEG C of seven area's temperature, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature,
315 DEG C~325 DEG C of head temperature, screw speed 300r/min~500r/min.
4)：The substance that step (3) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
Comparative example 5：
1)：Fiberglass surfacing processing：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are mixed
Solution is deployed into, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes takes glass fibre
Go out drying, you can obtain surface treated glass fibre；
2)：61.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
3)：The substance that step (2) obtains is sent into through main feeder in double screw extruder, the main feeder turns
Speed is 30r.p.m, and 35 parts of short glass fiber is added in the lateral spout of double screw extruder；Pass through twin-screw extrusion
Machine melting extrusion, expressing technique are：Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C of two area's temperature~
320 DEG C, 310 DEG C~320 DEG C of three area's temperature, 310 DEG C~320 DEG C of four area's temperature, 310 DEG C~320 DEG C of five area's temperature, six area's temperature
305 DEG C~310 DEG C, 305 DEG C~310 DEG C of seven area's temperature, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature,
315 DEG C~325 DEG C of head temperature, screw speed 300r/min~500r/min.
4)：The substance that step (3) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
Comparative example 6：
1)：56.2 parts of feedstock nylon 6T resins are weighed, and dry through baking oven according to weight proportion；3 parts of toughener are added in,
0.3 part of antioxidant, 0.5 part of lubricant are stirred 3~5 minutes in high speed machine；
2)：The substance that step (1) obtains is sent into through main feeder in double screw extruder, the main feeder turns
Speed is 30r.p.m, and 40 parts of short glass fiber is added in the lateral spout of double screw extruder；Pass through twin-screw extrusion
Machine melting extrusion, expressing technique are：Double screw extruder humidity province：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C of two area's temperature~
320 DEG C, 310 DEG C~320 DEG C of three area's temperature, 310 DEG C~320 DEG C of four area's temperature, 310 DEG C~320 DEG C of five area's temperature, six area's temperature
305 DEG C~310 DEG C, 305 DEG C~310 DEG C of seven area's temperature, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature,
315 DEG C~325 DEG C of head temperature, screw speed 300r/min~500r/min.
3)：The substance that step (2) is obtained after tie rod by carrying out air cooling, pelletizing, drying process.
Performance test：
Tensile strength and stretch modulus are detected according to ASTM D638 standards, tensile speed 50mm/min；
Bending strength and bending modulus are detected according to ASTM D790 standards, rate of bending 20mm/min；
Impact strength and notch impact strength are detected according to ASTMD256 standards；
The formula and material property of embodiment 1-4 is shown in Table 1：
1 Example formulations of table and test performance
2 comparative formulation of table and test performance
The high content of glass fiber enhancing high-temperature nylon that can be seen that the present invention from above example and comparative example performance is answered
Condensation material is that a kind of high intensity, high impact properties, high heat-resisting, product size performance stablize excellent composite material, such as according to reality
Example 1 is applied, glass fibre is 40% enhancing PA6T, and (content of glass fiber is 35% enhancing to mechanical property higher than comparative example 5
PA6T)；Since glass fibre is handled without active surface, material is difficult to draw after squeezing out through double screw extruder comparative example 6
Item and pelletizing fail to obtain product；The preparation method of the present invention is easy to operate, and product price has advantage, is suitble to industry
Metaplasia is produced and application.
Claims (7)
1. a kind of high content of glass fiber enhancing high-temperature nylon composite material, it is characterised in that：Its by high-temperature nylon resin, be chopped
Into being grouped as, they are formed by following weight ratio for five kinds of glass fibre, toughener, antioxidant and lubricant：High-temperature nylon resin
30~90 parts, 20~60 parts of short glass fiber fiber, 1~10 part of toughener, 0.1~1 part of antioxidant, lubricant 0.2~2
Part.
2. a kind of high content of glass fiber enhancing high-temperature nylon composite material according to claim 1, it is characterised in that：Institute
The high-temperature nylon resin stated is one or several kinds of combinations in nylon66 fiber, nylon 46, nylon 6T and nylon 9 T etc..
3. a kind of high content of glass fiber enhancing high-temperature nylon composite material according to claim 1, it is characterised in that：Institute
The short glass fiber stated passes through the short glass fiber of silane coupling agent processing, length 6mm for surface.
4. a kind of high content of glass fiber enhancing high-temperature nylon composite material according to claim 1, it is characterised in that：Institute
The toughener stated is one or several kinds of combinations in EPDM, POE and SEBS of maleic anhydride grafting.
5. a kind of high content of glass fiber enhancing high-temperature nylon composite material according to claim 1, it is characterised in that：Institute
The antioxidant stated is in hindered phenol antioxygen 1010, phosphite ester kind antioxidant 168 and the antioxidant of resistance to nitrogen oxides GA80 etc.
One or several kinds compound.
6. a kind of high content of glass fiber enhancing high-temperature nylon composite material according to claim 1, it is characterised in that：Institute
The lubricant stated is one kind in polytetrafluoroethylene (PTFE) and molybdenum disulfide.
7. the preparation method of high content of glass fiber enhancing high-temperature nylon composite material described in claim 1, it is characterised in that：Its
Step is as follows：
(1) fiberglass surfacing is handled：20wt% silane coupling agents, 72wt% absolute ethyl alcohols, 8wt% water are subjected to mixing preparation
Into solution, glass fibre is added in solution and carries out immersion treatment, then immersion treatment 3~5 minutes is taken out glass fibre dry
It is dry, you can to obtain surface treated glass fibre；
(2) raw material high-temperature nylon resin and other auxiliary agents are weighed according to weight proportion, the raw material weighed up is put into mixed at a high speed
It is sufficiently mixed in clutch 3~5 minutes；
(3) substance that step (2) obtains is sent into through main feeder in double screw extruder, and is fed in the side of double screw extruder
The glass fibre obtained through step (1) is added in material mouth, by double screw extruder melting extrusion, expressing technique is：Twin-screw
Extruder temperature area：One 310 DEG C of area's temperature~320 DEG C, 310 DEG C~320 DEG C of two area's temperature, 310 DEG C~320 DEG C of three area's temperature,
Four 310 DEG C of area's temperature~320 DEG C, 310 DEG C~320 DEG C of five area's temperature, 305 DEG C~310 DEG C of six area's temperature, 305 DEG C of seven area's temperature
~310 DEG C, 310 DEG C~320 DEG C of eight area's temperature, 310 DEG C~320 DEG C of nine area's temperature, 315 DEG C~325 DEG C of head temperature, screw rod turn
Fast 300r/min~500r/min；
(4) substance for obtaining step (3) after tie rod by carrying out air cooling, pelletizing, drying process.
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| CN109553937A (en) * | 2018-12-07 | 2019-04-02 | 裘国良 | A kind of high-speed rail railway carriage glass fiber reinforcement PET material and preparation method thereof |
| CN110041698A (en) * | 2019-03-27 | 2019-07-23 | 江门市亿高电器有限公司 | A kind of high-strength injection plastic material formula |
| CN110938303A (en) * | 2019-12-07 | 2020-03-31 | 厦门鑫宝升塑胶材料有限公司 | Special cold-resistant reinforced nylon material for ice and snow areas and preparation method thereof |
| CN111718576A (en) * | 2019-03-19 | 2020-09-29 | 上海术博新材料技术有限公司 | High-strength friction-resistant nylon composite material and preparation method thereof |
| CN112521748A (en) * | 2020-12-18 | 2021-03-19 | 株洲春华实业有限责任公司 | Thermoplastic material for manufacturing automobile air suspension part and preparation method thereof |
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| CN113201218A (en) * | 2021-04-27 | 2021-08-03 | 维沃移动通信有限公司 | Composite material, preparation method of composite material and electronic equipment |
| CN114058042A (en) * | 2021-09-03 | 2022-02-18 | 广东博事达新材料有限公司 | Glass fiber reinforced nylon 66 composite material containing high-speed heat insulation strips |
| CN114196198A (en) * | 2021-11-29 | 2022-03-18 | 安徽中鼎橡塑制品有限公司 | Floating-fiber-free glass fiber reinforced nylon composite material and preparation method thereof |
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