CN102329505B - Nylon alloy with high thermal deformation resistance and preparation method thereof - Google Patents
Nylon alloy with high thermal deformation resistance and preparation method thereof Download PDFInfo
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- CN102329505B CN102329505B CN2011101070116A CN201110107011A CN102329505B CN 102329505 B CN102329505 B CN 102329505B CN 2011101070116 A CN2011101070116 A CN 2011101070116A CN 201110107011 A CN201110107011 A CN 201110107011A CN 102329505 B CN102329505 B CN 102329505B
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- Prior art keywords
- nylon alloy
- high thermal
- nylon
- thermal deformation
- alloy
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004677 Nylon Substances 0.000 title claims abstract description 57
- 239000000956 alloy Substances 0.000 title claims abstract description 57
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 57
- 229920001778 nylon Polymers 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 19
- -1 polypropylene Polymers 0.000 claims abstract description 15
- 239000004743 Polypropylene Substances 0.000 claims abstract description 14
- 229920001155 polypropylene Polymers 0.000 claims abstract description 14
- 238000005469 granulation Methods 0.000 claims abstract description 8
- 230000003179 granulation Effects 0.000 claims abstract description 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 3
- 230000008018 melting Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 25
- 230000003068 static effect Effects 0.000 claims description 18
- 239000003112 inhibitor Substances 0.000 claims description 16
- 150000004985 diamines Chemical class 0.000 claims description 14
- 125000003651 hexanedioyl group Chemical group C(CCCCC(=O)*)(=O)* 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 238000012986 modification Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 239000006229 carbon black Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract description 5
- 229920002302 Nylon 6,6 Polymers 0.000 abstract description 5
- 229920000578 graft copolymer Polymers 0.000 abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002216 antistatic agent Substances 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 5
- 150000002170 ethers Chemical class 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 4
- 229920000571 Nylon 11 Polymers 0.000 description 4
- 229920000299 Nylon 12 Polymers 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012296 anti-solvent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
Abstract
The invention which relates to a nylon alloy with high thermal deformation resistance and a preparation method thereof belongs to the technical field of nylon alloys. The nylon alloy (by nylon alloy) comprises the following components, by weight, 40-60% of polyhexamethylene adipamide, 8-15% of polypropylene, 25-35% of a glass fiber, 4-8% of a compatilizer, and 2-4% of an antistatic agent, and the nylon alloy is prepared through carrying out extrusion granulation on the components. The glass fiber which is added in the invention allows the mechanical performance of polyhexamethylene adipamide to be improved, so the shrinkage of the nylon alloy is reduced to 0.2-1% from 1-2%; and the compatilizer maleic anhydride graft copolymer which is added in above formula allows the density, the melting point, the elastic modulus and the like of the nylon alloy to be improved, so the nylon alloy of the invention which is a nylon alloy with alcohol and ether resistance and high thermal deformation resistance receives good graces of users.
Description
Technical field
The invention belongs to the nylon alloy technical field, be specifically related to a kind of nylon alloy modified plastics with anti-pure ethers, performance of high thermal deformation and preparation method thereof.
Background technology
Nylon alloy is the universal engineering plastics with excellent comprehensive performance, has excellent mechanical property with advantages such as Nai Mo, anti-solvent, oil resistants, be widely used in every profession and trade, application at machinery manufacturing industry, electronic apparatus and traffic and transport field is more and more extensive, and receives numerous users' very big concern.In recent years, the main development direction of macromolecular material is high performance more and more.Have obdurability although nylon material is compared with other engineering plastic materials, also have various shortcomings, as to acid and the resistibility of other its chlorizating agents a little less than, not anti-pure ether compound, high yielding etc. when hot.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the present invention is to provide nylon alloy modified plastics of a kind of anti-pure ethers, performance of high thermal deformation and preparation method thereof.
The nylon alloy of described a kind of anti-performance of high thermal deformation is characterized in that take nylon alloy as amount, and be comprised of the component of following weight percentage: poly-adipoyl is diamines 45-60%, polypropylene 8-15%, glass fibre 25-35%, compatilizer 4-8%, static inhibitor 2-4%.
The nylon alloy of described a kind of anti-performance of high thermal deformation is characterized in that take nylon alloy as amount, and be comprised of the component of following weight percentage: poly-adipoyl is diamines 45-55%, polypropylene 10-12%, glass fibre 28-32%, compatilizer 5-7%, static inhibitor 3-4%.
The nylon alloy of described a kind of anti-performance of high thermal deformation is characterized in that take nylon alloy as amount, and be comprised of the component of following weight percentage: poly-adipoyl is diamines 50%, polypropylene 11%, glass fibre 30%, compatilizer 6%, static inhibitor 3%.
The nylon alloy of described a kind of anti-performance of high thermal deformation is characterized in that described compatilizer is maleic anhydride graft copolymer.
The nylon alloy of described a kind of anti-performance of high thermal deformation is characterized in that described static inhibitor is superconductive carbon black.
The preparation method of the nylon alloy of described a kind of anti-performance of high thermal deformation is characterized in that comprising the steps:
1) static inhibitor of the compatilizer of the polypropylene of the poly-adipoyl of the 40-60% weight part of weight part diamines, 8-15% weight part, 4-8% weight part and 2-4% weight part is even in stirrer for mixing, add granulation in the forcing machine, extrusion temperature is 203-250 ℃, is cut into the material grain through the plastics stock cutter;
2) the material grain that obtains in the step 1) and the glass fibre of 25-35% weight part are mixed, behind 240-260 ℃ of melt blending, be cut into the material grain by stock cutter, namely obtain the nylon alloy of modification.
The preparation method of the nylon alloy of described a kind of anti-performance of high thermal deformation is characterized in that described extrusion temperature is 220-240 ℃.
The preparation method of the nylon alloy of described a kind of anti-performance of high thermal deformation is characterized in that described melt temperature is 250-255 ℃ of melting.
The nylon alloy of described a kind of anti-performance of high thermal deformation is characterized in that described maleic anhydride graft vinyl copolymer is maleic anhydride graft propylene copolymer or maleic anhydride grafted ethene multipolymer.
By adopting technique scheme, compared with prior art, beneficial effect of the present invention shows:
1) the present invention can improve the mechanical property of diamines of poly-adipoyl by adding glass fibre, makes its shrinking percentage be reduced to 0.2-1% from 1-2%;
2)The present invention is by adding the compatilizer maleic anhydride graft copolymer in prescription, can improve the density, fusing point, Young's modulus of nylon alloy etc., makes it reach the nylon alloy of anti-pure ethers, high thermal distortion;
3)Because the volume specific resistance of polymkeric substance is generally up to 1010～1020 Ω cm, easy savings static and causing danger, the present invention is by adding the static inhibitor superconductive carbon black in prescription, can make frosting affinity moisture, ionogenic surfactant also has electric action, thereby static is in time leaked.
)Nylon alloy of the present invention is by adopting diamines 45-60% of poly-adipoyl, polypropylene 8-15%, glass fibre 25-35%, compatilizer 4-8% and static inhibitor 2-4% are mixed to get, have better mechanical property, density is little, and quality is light, flexible, toughness is better, ductility is good, low-temperature impact resistance is good, and water-intake rate is low, size is more stable, and cost performance is high, and manufacturing cost reduces about 10%, be down to 110,000 7 thousand/ton from 130,000/ton, obtain user's favorable comment.
Embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1 is take nylon alloy as amount, by the component of following weight percentage: will gather diamines 40% of adipoyl, polypropylene 15%, compatilizer 8%, static inhibitor 2% is even in stirrer for mixing, adds the forcing machine granulation, mix at 203-250 ℃, be cut into the material grain through the plastics stock cutter; In this material grain, add glass fibre 35%, mix, again behind 240-260 ℃ of melt blending, be cut into the material grain by stock cutter, namely obtain the nylon alloy of modification, and this product is carried out performance test, its physical parameter sees Table 1, and pure ether solvent infiltration capacity data are seen Table 2.
Embodiment 2 is take nylon alloy as amount, component by following weight percentage: will gather diamines 60% of adipoyl, polypropylene 8%, compatilizer 4%, static inhibitor 3% is even in stirrer for mixing, adds the forcing machine granulation, mixes at 220-240 ℃, be cut into the material grain through the plastics stock cutter, be cut into the material grain through the plastics stock cutter; In this material grain, add glass fibre 25%, mix, behind 240-260 ℃ of melt blending, be cut into the material grain by stock cutter again, namely obtain the nylon alloy of modification, and this product is carried out performance test.
Embodiment 3 is take nylon alloy as amount, by the component of following weight percentage: will gather diamines 45% of adipoyl, polypropylene 12%, compatilizer 7%, static inhibitor 4% is even in stirrer for mixing, adds granulation in the forcing machine, mix at 203-250 ℃, be cut into the material grain through the plastics stock cutter; In this material grain, add glass fibre 32%, mix, add again in the forcing machine, behind 240-260 ℃ of melt blending, be cut into the material grain by stock cutter, namely obtain the nylon alloy of modification, and this product is carried out performance test.
Embodiment 4 is take nylon alloy as amount, by the component of following weight percentage: will gather diamines 55% of adipoyl, polypropylene 10%, compatilizer 5%, static inhibitor 4% is even in stirrer for mixing, adds granulation in the forcing machine, mix at 203-250 ℃, be cut into the material grain through the plastics stock cutter; In this material grain, add glass fibre 30%, mix, behind 240-260 ℃ of melt blending, be cut into the material grain by stock cutter again, namely obtain the nylon alloy of modification, and this product is carried out performance test.
Embodiment 5 is take nylon alloy as amount, component by following weight percentage: will gather diamines 50% of adipoyl, polypropylene 11%, glass fibre 30%, compatilizer 6%, static inhibitor 3%, even in stirrer for mixing, add granulation in the forcing machine, mix at 203-250 ℃, be cut into the material grain through the plastics stock cutter; In this material grain, add glass fibre 30%, mix, add again in the forcing machine, behind 250-255 ℃ of melt blending, be cut into the material grain by stock cutter, namely obtain the nylon alloy of modification, and this product is carried out performance test.
Table 1 product of the present invention and existing nylon alloy physical parameter synopsis
Can find out that from upper table 1 nylon alloy of the present invention compared with prior art has better mechanical property, density is little, and quality is light, flexible, toughness is better, ductility is good, low-temperature impact resistance is good, and water-intake rate is low, size is more stable, obtains user's favorable comment.
Under 60 ℃ of environment, with nylon alloy of the present invention with ordinary method to the M15(15% methanol gasoline) the methanol gasoline infiltration capacity tests, be respectively nylon 12 pipe (PA12), nylon 12+30% fiberglass pipes (PA12+30%GF), （Fen Mo/Ke Li） Nylon11 in powder/granular form pipe (PA11), （Fen Mo/Ke Li） Nylon11 in powder/granular form+30% fiberglass pipe (PA11+30%GF), nylon 6 pipes (PA6), nylon 66 pipe (PA66) and the nylon alloy pipes of the present invention (JH6630) of 1mm by wall thickness with M15 gasoline, test the leakage of methyl alcohol in 24 hours, measure comparative unit: gram/square meter, result such as following table 2.
Table 2 product of the present invention and currently available products are to pure ethers infiltration capacity data synopsis
As can be seen from Table 2, compare with nylon 12, nylon 12+30% glass fibre, （Fen Mo/Ke Li） Nylon11 in powder/granular form, （Fen Mo/Ke Li） Nylon11 in powder/granular form+30% glass fibre, nylon 6, nylon 66, nylon alloy JH6630 of the present invention is minimum to the methyl alcohol in 15% methanol gasoline, toluene, octane-iso infiltration capacity, illustrate that nylon alloy of the present invention is anti-pure ethers alloy, therefore nylon alloy product of the present invention can be under the organic solvent environment such as methyl alcohol, long-term operation has organic solvent resistance.
Claims (5)
1. the nylon alloy of an anti-performance of high thermal deformation, it is characterized in that take nylon alloy as amount, component by following weight percentage forms: poly-adipoyl is diamines 45-60%, polypropylene 8-15%, glass fibre 25-35%, compatilizer 4-8%, static inhibitor 2-4%, described compatilizer is the maleic anhydride graft propylene copolymer, and described static inhibitor is superconductive carbon black.
2. the nylon alloy of a kind of anti-performance of high thermal deformation according to claim 1 is characterized in that take nylon alloy as amount, and be comprised of the component of following weight percentage: poly-adipoyl is diamines 50%, polypropylene 11%, glass fibre 30%, compatilizer 6%, static inhibitor 3%.
3. the preparation method of the nylon alloy of a kind of anti-performance of high thermal deformation according to claim 1 is characterized in that comprising the steps:
1) static inhibitor of the compatilizer of the polypropylene of the poly-adipoyl of the 45-60% weight part of weight part diamines, 8-15% weight part, 4-8% weight part and 2-4% weight part is even in stirrer for mixing, add granulation in the forcing machine, extrusion temperature is 203-250 ℃, is cut into the material grain through the plastics stock cutter;
2) the material grain that obtains in the step 1) and the glass fibre of 25-35% weight part are mixed, behind 240-260 ℃ of melt blending, be cut into the material grain by stock cutter, namely obtain the nylon alloy of modification.
4. the preparation method of the nylon alloy of a kind of anti-performance of high thermal deformation according to claim 3 is characterized in that described extrusion temperature is 220-240 ℃.
5. the preparation method of the nylon alloy of a kind of anti-performance of high thermal deformation according to claim 3 is characterized in that described melt temperature is 250-255 ℃ of melting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101070116A CN102329505B (en) | 2011-04-27 | 2011-04-27 | Nylon alloy with high thermal deformation resistance and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101070116A CN102329505B (en) | 2011-04-27 | 2011-04-27 | Nylon alloy with high thermal deformation resistance and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102329505A CN102329505A (en) | 2012-01-25 |
| CN102329505B true CN102329505B (en) | 2013-04-03 |
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| CN2011101070116A Expired - Fee Related CN102329505B (en) | 2011-04-27 | 2011-04-27 | Nylon alloy with high thermal deformation resistance and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103396611B (en) * | 2013-07-30 | 2015-07-22 | 暨南大学 | Low-water-absorptivity heat-conducting wear-resistant polymer alloy, and preparation method and application thereof |
| CN107216651A (en) * | 2017-07-21 | 2017-09-29 | 宁波市特尔佳塑料科技有限公司 | A kind of composition of toughness reinforcing antistatic PA 66 |
| CN113502050B (en) * | 2021-07-29 | 2023-05-30 | 东风商用车有限公司 | Automobile air conditioner pipe material and preparation method thereof |
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| CN100372885C (en) * | 2006-02-23 | 2008-03-05 | 广州金发科技股份有限公司 | Continuous long fiber reinforced composite nylon/polyolefin material and its prepn |
| CN100430441C (en) * | 2006-07-12 | 2008-11-05 | 扬州大学 | Polyamide/graphite nano conductive composite material and its prepairng method |
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