CN109836815A - A kind of automobile parts PA6 flame retardant plastics production method - Google Patents
A kind of automobile parts PA6 flame retardant plastics production method Download PDFInfo
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- CN109836815A CN109836815A CN201910076871.4A CN201910076871A CN109836815A CN 109836815 A CN109836815 A CN 109836815A CN 201910076871 A CN201910076871 A CN 201910076871A CN 109836815 A CN109836815 A CN 109836815A
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Abstract
The invention discloses a kind of automobile parts PA6 flame retardant plastics production methods, specific production method steps are as follows: step 1: weighing PA6 resin, glass fibre, ceramic fibre, carbon nano-fiber, nanometer calcium carbonate, natural zeolite, nano aluminium oxide, antioxidant, coupling agent and the anti scuffing agent of corresponding parts by weight, spare；Step 2: natural zeolite in step 1 is put into and carries out pulverization process in pulverizer；Sieving processing is carried out to solid particle；Step 3: PA6 resin, glass fibre, ceramic fibre, carbon nano-fiber, nanometer calcium carbonate, the nano aluminium oxide of step 1 are added in electrical heating stirring tank and carry out quickly mixing the pre-heat treatment.Natural zeolite is added in the formula, natural zeolite is aluminosilicate mineral, the phenomenon that with that can generate the similar boiling of air bubble expansion after raw material Hybrid Heating, keep the PA6 plastic quality produced light, intensity is high, and sound-insulating heat insulation is significant, in automobile interior decoration assembly parts in use, significant effect.
Description
Technical field
The invention belongs to technical field of plastic production, and in particular to a kind of automobile parts PA6 flame retardant plastics production method.
Background technique
PA6 also known as nylon 6 are translucent or opaque milky white colored particles, have thermoplasticity, lightweight, good toughness, chemically-resistant
The characteristics such as product and durability are good are generally used for the products such as auto parts and components, mechanical part, electric equipment products, engineering accessory, but
It is that the automobile parts of existing PA6 plastics-production have the shortcomings that anti-flammability is low and use intensity is poor, and do not have sound insulation guarantor
The heat-insulated function of temperature, the short drawback of service life.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile parts PA6 flame retardant plastics production methods, to solve above-mentioned background
It is proposed in the technology but automobile parts of existing PA6 plastics-production have the shortcomings that anti-flammability is low and use intensity is poor, and
And do not have the heat-insulated function of sound-insulating, the problem of service life short drawback.
To achieve the above object, the invention provides the following technical scheme: a kind of automobile parts PA6 flame retardant plastics producer
Method, including following parts by weight material are made:
60~65 parts by weight of PA6 resin, 3~5 parts by weight of glass fibre, 2.5~4.5 parts by weight of ceramic fibre, carbon nanometer
3~5 parts by weight of fiber, 3~4 parts by weight of nanometer calcium carbonate, 1~2 parts by weight of natural zeolite, 3.5~4.5 weight of nano aluminium oxide
Part, 6.5~8.3 parts by weight of 0.5~0.8 parts by weight of antioxidant, 0.4~0.9 parts by weight of coupling agent and anti scuffing agent.
Specific production method steps are as follows:
Step 1: PA6 resin, glass fibre, ceramic fibre, carbon nano-fiber, the nano-calcium carbonate of corresponding parts by weight are weighed
Calcium, natural zeolite, nano aluminium oxide, antioxidant, coupling agent and anti scuffing agent, it is spare；
Step 2: natural zeolite in step 1 is put into and carries out pulverization process in pulverizer；Solid particle was carried out
Sieve processing；
Step 3: by the PA6 resin of step 1, glass fibre, ceramic fibre, carbon nano-fiber, nanometer calcium carbonate, nanometer
Aluminium oxide, which is added in electrical heating stirring tank, carries out quickly mixing the pre-heat treatment；
Step 4: the mixed raw material after preheating in step 3 being added to heat in torque rheometer and is melted, and blending 14~
20min, temperature setting are stirred at 240~250 DEG C, and by electric mixer；
Step 5: after step 4 Hybrid Heating, being added antioxidant, coupling agent and anti scuffing agent while stirring, final to add
Enter step 2 sieving treated zeolite powder；
Step 6: the raw material that step 5 has been stirred is added to blending extrusion in double screw extruder；
Step 7: when spraying one layer of titanium coating in step 6 plastic part surface, and spraying, the temperature of plastic part is cold
But it to 60~80 DEG C, is saved after natural cooling.
Further, the electrical heating stirring tank preheating temperature in the step 3 is 60~80 DEG C.
Further, the mixing speed of electric mixer is respectively 120~140r/min in the step 4 and step 5
With 160~180r/min.
Further, the antioxidant is irgasfos 168, and coupling agent is super branched polyurethane, and anti scuffing agent is dimethyl
Polysiloxanes, glass fibre are E type alkali-free chopped strand.
Further, the aperture of the step 2 mesh screen is 0.5~1.0 μm.
Further, the blending processing temperature of double screw extruder is 255~265 DEG C in described six, screw speed 300
~400r/min.
Compared with prior art, the beneficial effects of the present invention are:
1, glass fibre and ceramic fibre are added in the formula, advantage is that good insulating, heat resistance be strong, corrosion resistance
Good, high mechanical strength makes the PA6 plastics high temperature resistant produced, and flame retardant effect is significant, anti-corrosion, and intensity is high, and stability is good, prolonged
It is durable.
2, natural zeolite is added in the formula, natural zeolite is aluminosilicate mineral, and can be produced after raw material Hybrid Heating
The phenomenon that similar boiling of raw air bubble expansion, keep the PA6 plastic quality produced light, intensity is high, and sound-insulating heat insulation is aobvious
It writes, in automobile interior decoration assembly parts in use, significant effect.
3, carbon nano-fiber is added in the formula has heat resistance, radiation hardness characteristic, chemical-resistant resistance characteristic, electrical isolation
Property, surface and interfacial characteristics etc. are more excellent than other materials, and effectively increase the plasticity of PA6 plastics, avoid plastics
Cross crisp, frangibility damage.
4, nanometer calcium carbonate is added in the formula, the rheological characteristic of plastic matrix can be improved, improve its mouldability.As modeling
It is toughened and reinforced to expect that filler has the function of, improves the bending strength and bending elastic modulus of plastics, heat distortion temperature and size are steady
It is qualitative, while it is stagnant hot also to assign plastics.
5, anti scuffing agent is added in the formula, improves the anti scuffing effect of PA6 frosting, wear-resisting property is significant,
Step 6 plastic part surface sprays one layer of titanium coating, forms layer protecting film in PA6 frosting, anti-oxidant, anticorrosive,
Beauty, strength of coating is high, not easily to fall off, effectively improves service life.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of automobile parts PA6 flame retardant plastics production method, including following parts by weight material are made:
60 parts by weight of PA6 resin, 3 parts by weight of glass fibre, 2.5 parts by weight of ceramic fibre, 3 parts by weight of carbon nano-fiber,
3 parts by weight of nanometer calcium carbonate, 1 parts by weight of natural zeolite, 3.5 parts by weight of nano aluminium oxide, 0.5 parts by weight of antioxidant, coupling agent
6.5 parts by weight of 0.4 parts by weight and anti scuffing agent.
Specific production method steps are as follows:
Step 1: PA6 resin, glass fibre, ceramic fibre, carbon nano-fiber, the nano-calcium carbonate of corresponding parts by weight are weighed
Calcium, natural zeolite, nano aluminium oxide, antioxidant, coupling agent and anti scuffing agent, it is spare；
Step 2: natural zeolite in step 1 is put into and carries out pulverization process in pulverizer；Solid particle was carried out
Sieve processing；
Step 3: by the PA6 resin of step 1, glass fibre, ceramic fibre, carbon nano-fiber, nanometer calcium carbonate, nanometer
Aluminium oxide, which is added in electrical heating stirring tank, carries out quickly mixing the pre-heat treatment；
Step 4: the mixed raw material after preheating in step 3 being added to heat in torque rheometer and is melted, and blending 14~
20min, temperature setting are stirred at 240~250 DEG C, and by electric mixer；
Step 5: after step 4 Hybrid Heating, being added antioxidant, coupling agent and anti scuffing agent while stirring, final to add
Enter step 2 sieving treated zeolite powder；
Step 6: the raw material that step 5 has been stirred is added to blending extrusion in double screw extruder；
Step 7: when spraying one layer of titanium coating in step 6 plastic part surface, and spraying, the temperature of plastic part is cold
But it to 60~80 DEG C, is saved after natural cooling.
Wherein, the electrical heating stirring tank preheating temperature in the step 3 is 60~80 DEG C.
Wherein, the mixing speed of electric mixer is respectively 120~140r/min and 160 in the step 4 and step 5
~180r/min.
Wherein, the antioxidant is irgasfos 168, and coupling agent is super branched polyurethane, and anti scuffing agent is the poly- silicon of dimethyl
Oxygen alkane, glass fibre are E type alkali-free chopped strand.
Wherein, the aperture of the step 2 mesh screen is 0.5~1.0 μm.
Wherein, the blending processing temperature of double screw extruder is 255~265 DEG C in described six, screw speed is 300~
400r/min。
Embodiment 2
A kind of automobile parts PA6 flame retardant plastics production method, including following parts by weight material are made:
65 parts by weight of PA6 resin, 5 parts by weight of glass fibre, 4.5 parts by weight of ceramic fibre, 5 parts by weight of carbon nano-fiber,
4 parts by weight of nanometer calcium carbonate, 2 parts by weight of natural zeolite, 4.5 parts by weight of nano aluminium oxide, 0.8 parts by weight of antioxidant, coupling agent
8.3 parts by weight of 0.9 parts by weight and anti scuffing agent.
Specific production method steps are as follows:
Step 1: PA6 resin, glass fibre, ceramic fibre, carbon nano-fiber, the nano-calcium carbonate of corresponding parts by weight are weighed
Calcium, natural zeolite, nano aluminium oxide, antioxidant, coupling agent and anti scuffing agent, it is spare；
Step 2: natural zeolite in step 1 is put into and carries out pulverization process in pulverizer；Solid particle was carried out
Sieve processing；
Step 3: by the PA6 resin of step 1, glass fibre, ceramic fibre, carbon nano-fiber, nanometer calcium carbonate, nanometer
Aluminium oxide, which is added in electrical heating stirring tank, carries out quickly mixing the pre-heat treatment；
Step 4: the mixed raw material after preheating in step 3 being added to heat in torque rheometer and is melted, and blending 14~
20min, temperature setting are stirred at 240~250 DEG C, and by electric mixer；
Step 5: after step 4 Hybrid Heating, being added antioxidant, coupling agent and anti scuffing agent while stirring, final to add
Enter step 2 sieving treated zeolite powder；
Step 6: the raw material that step 5 has been stirred is added to blending extrusion in double screw extruder；
Step 7: when spraying one layer of titanium coating in step 6 plastic part surface, and spraying, the temperature of plastic part is cold
But it to 60~80 DEG C, is saved after natural cooling.
Wherein, the electrical heating stirring tank preheating temperature in the step 3 is 60~80 DEG C.
Wherein, the mixing speed of electric mixer is respectively 120~140r/min and 160 in the step 4 and step 5
~180r/min.
Wherein, the antioxidant is irgasfos 168, and coupling agent is super branched polyurethane, and anti scuffing agent is the poly- silicon of dimethyl
Oxygen alkane, glass fibre are E type alkali-free chopped strand.
Wherein, the aperture of the step 2 mesh screen is 0.5~1.0 μm.
Wherein, the blending processing temperature of double screw extruder is 255~265 DEG C in described six, screw speed is 300~
400r/min。
Embodiment 3
A kind of automobile parts PA6 flame retardant plastics production method, including following parts by weight material are made:
62.5 parts by weight of PA6 resin, 4 parts by weight of glass fibre, 3.5 parts by weight of ceramic fibre, 4 weight of carbon nano-fiber
Part, 3.5 parts by weight of nanometer calcium carbonate, 1.5 parts by weight of natural zeolite, 4 parts by weight of nano aluminium oxide, 0.65 parts by weight of antioxidant,
7.4 parts by weight of 0.65 parts by weight of coupling agent and anti scuffing agent.
Specific production method steps are as follows:
Step 1: PA6 resin, glass fibre, ceramic fibre, carbon nano-fiber, the nano-calcium carbonate of corresponding parts by weight are weighed
Calcium, natural zeolite, nano aluminium oxide, antioxidant, coupling agent and anti scuffing agent, it is spare；
Step 2: natural zeolite in step 1 is put into and carries out pulverization process in pulverizer；Solid particle was carried out
Sieve processing；
Step 3: by the PA6 resin of step 1, glass fibre, ceramic fibre, carbon nano-fiber, nanometer calcium carbonate, nanometer
Aluminium oxide, which is added in electrical heating stirring tank, carries out quickly mixing the pre-heat treatment；
Step 4: the mixed raw material after preheating in step 3 being added to heat in torque rheometer and is melted, and blending 14~
20min, temperature setting are stirred at 240~250 DEG C, and by electric mixer；
Step 5: after step 4 Hybrid Heating, being added antioxidant, coupling agent and anti scuffing agent while stirring, final to add
Enter step 2 sieving treated zeolite powder；
Step 6: the raw material that step 5 has been stirred is added to blending extrusion in double screw extruder；
Step 7: when spraying one layer of titanium coating in step 6 plastic part surface, and spraying, the temperature of plastic part is cold
But it to 60~80 DEG C, is saved after natural cooling.
Wherein, the electrical heating stirring tank preheating temperature in the step 3 is 60~80 DEG C.
Wherein, the mixing speed of electric mixer is respectively 120~140r/min and 160 in the step 4 and step 5
~180r/min.
Wherein, the antioxidant is irgasfos 168, and coupling agent is super branched polyurethane, and anti scuffing agent is the poly- silicon of dimethyl
Oxygen alkane, glass fibre are E type alkali-free chopped strand.
Wherein, the aperture of the step 2 mesh screen is 0.5~1.0 μm.
Wherein, the blending processing temperature of double screw extruder is 255~265 DEG C in described six, screw speed is 300~
400r/min。
Working effect of the invention: being added glass fibre and ceramic fibre in the formula, and advantage is good insulating, heat-resisting
Property it is strong, corrosion resistance is good, high mechanical strength, makes the PA6 plastics high temperature resistant produced, flame retardant effect is significant, anti-corrosion, and intensity is high,
Stability is good, durable；Natural zeolite is added in the formula, natural zeolite is aluminosilicate mineral, mixes and adds with raw material
The phenomenon that similar boiling of air bubble expansion can be generated after heat, keeps the PA6 plastic quality produced light, and intensity is high, sound-insulating every
Thermal effect is significant, in automobile interior decoration assembly parts in use, significant effect；Carbon nano-fiber is added in the formula with heat-resisting
Property, radiation hardness characteristic, chemical-resistant resistance characteristic, electrical insulating property, surface and interfacial characteristics etc. are more excellent than other materials, and
The plasticity of PA6 plastics is effectively increased, avoids plastics excessively crisp, frangibility damage；Nanometer calcium carbonate is added in the formula, it can
The rheological characteristic for improving plastic matrix, improves its mouldability.Have the function of as plastic filler toughened and reinforced, improves the curved of plastics
Qu Qiangdu and bending elastic modulus, heat distortion temperature and dimensional stability, while it is stagnant hot also to assign plastics；Add in the formula
Enter anti scuffing agent, improve the anti scuffing effect of PA6 frosting, wear-resisting property is significant, sprays one in step 6 plastic part surface
Layer titanium coating forms layer protecting film in PA6 frosting, and anti-oxidant, anticorrosive, beautiful, strength of coating is high, is not easy to take off
It falls, effectively improves service life.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of automobile parts PA6 flame retardant plastics production method, which is characterized in that be made including following parts by weight material:
60~65 parts by weight of PA6 resin, 3~5 parts by weight of glass fibre, 2.5~4.5 parts by weight of ceramic fibre, carbon nano-fiber 3
~5 parts by weight, 1~2 parts by weight of natural zeolite, 3.5~4.5 parts by weight of nano aluminium oxide, resist 3~4 parts by weight of nanometer calcium carbonate
6.5~8.3 parts by weight of 0.5~0.8 parts by weight of oxygen agent, 0.4~0.9 parts by weight of coupling agent and anti scuffing agent；
Specific production method steps are as follows:
Step 1: PA6 resin, glass fibre, ceramic fibre, carbon nano-fiber, nanometer calcium carbonate, the day of corresponding parts by weight are weighed
Right zeolite, nano aluminium oxide, antioxidant, coupling agent and anti scuffing agent, it is spare；
Step 2: natural zeolite in step 1 is put into and carries out pulverization process in pulverizer；Solid particle is carried out at sieving
Reason；
Step 3: by the PA6 resin of step 1, glass fibre, ceramic fibre, carbon nano-fiber, nanometer calcium carbonate, nano oxidized
Aluminium, which is added in electrical heating stirring tank, carries out quickly mixing the pre-heat treatment；
Step 4: the mixed raw material after preheating in step 3 being added to heat in torque rheometer and is melted, and blending 14~
20min, temperature setting are stirred at 240~250 DEG C, and by electric mixer；
Step 5: after step 4 Hybrid Heating, antioxidant, coupling agent and anti scuffing agent is added while stirring, ultimately joins step
Rapid two sievings treated zeolite powder；
Step 6: the raw material that step 5 has been stirred is added to blending extrusion in double screw extruder；
Step 7: when spraying one layer of titanium coating in step 6 plastic part surface, and spraying, the temperature of plastic part is cooled to
It 60~80 DEG C, is saved after natural cooling.
2. a kind of automobile parts according to claim 1 PA6 flame retardant plastics production method, it is characterised in that: the step
Electrical heating stirring tank preheating temperature in rapid three is 60~80 DEG C.
3. a kind of automobile parts according to claim 1 PA6 flame retardant plastics production method, it is characterised in that: the step
Rapid four and step 5 in the mixing speed of electric mixer be respectively 120~140r/min and 160~180r/min.
4. a kind of automobile parts according to claim 1 PA6 flame retardant plastics production method, it is characterised in that: described anti-
Oxygen agent is irgasfos 168, and coupling agent is super branched polyurethane, and anti scuffing agent is dimethyl polysiloxane, glass fibre be E type without
Alkali chopped strand.
5. a kind of automobile parts according to claim 1 PA6 flame retardant plastics production method, it is characterised in that: the step
The aperture of rapid two mesh screen is 0.5~1.0 μm.
6. a kind of automobile parts according to claim 1 PA6 flame retardant plastics production method, it is characterised in that: described six
The blending processing temperature of middle double screw extruder is 255~265 DEG C, and screw speed is 300~400r/min.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914288A (en) * | 2010-08-30 | 2010-12-15 | 南京聚隆科技股份有限公司 | Nylon 6 mineral fiber composite material for automobile engine cover lid and preparation method thereof |
| CN103194026A (en) * | 2013-04-10 | 2013-07-10 | 山西潞安环保能源开发股份有限公司 | Novel composite material for self-rescuer shell and preparation method of material |
| WO2018031731A1 (en) * | 2016-08-12 | 2018-02-15 | Dow Global Technologies Llc | Compositions comprising carbon fibers and at least one thermoplastic polyolefin elastomer |
| CN109135240A (en) * | 2018-08-06 | 2019-01-04 | 南京欧纳壹有机光电有限公司 | A kind of thermoplastic engineering plastic preparation process |
| CN109233262A (en) * | 2018-07-28 | 2019-01-18 | 广东龙道新材料有限公司 | A kind of new-energy automobile accessory fire-retardant toughened Nylon composite material and preparation method |
-
2019
- 2019-01-27 CN CN201910076871.4A patent/CN109836815A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914288A (en) * | 2010-08-30 | 2010-12-15 | 南京聚隆科技股份有限公司 | Nylon 6 mineral fiber composite material for automobile engine cover lid and preparation method thereof |
| CN103194026A (en) * | 2013-04-10 | 2013-07-10 | 山西潞安环保能源开发股份有限公司 | Novel composite material for self-rescuer shell and preparation method of material |
| WO2018031731A1 (en) * | 2016-08-12 | 2018-02-15 | Dow Global Technologies Llc | Compositions comprising carbon fibers and at least one thermoplastic polyolefin elastomer |
| CN109233262A (en) * | 2018-07-28 | 2019-01-18 | 广东龙道新材料有限公司 | A kind of new-energy automobile accessory fire-retardant toughened Nylon composite material and preparation method |
| CN109135240A (en) * | 2018-08-06 | 2019-01-04 | 南京欧纳壹有机光电有限公司 | A kind of thermoplastic engineering plastic preparation process |
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