CN104312089B - Static resistant polyamide matrix material and preparation method thereof - Google Patents
Static resistant polyamide matrix material and preparation method thereof Download PDFInfo
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- CN104312089B CN104312089B CN201410513006.9A CN201410513006A CN104312089B CN 104312089 B CN104312089 B CN 104312089B CN 201410513006 A CN201410513006 A CN 201410513006A CN 104312089 B CN104312089 B CN 104312089B
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Abstract
The invention discloses static resistant polyamide matrix material and preparation method thereof, this static resistant polyamide matrix material comprises the raw material of following parts by weight: polymeric amide 40 ~ 50 parts, polyphenylene sulfide 20 ~ 30 parts, polyvinylpyridine 20 ~ 30 parts, polyimide 30 ~ 80 parts, calcium acetate 40 ~ 60 parts, carbon black 20 ~ 30 parts, 20 ~ 70 parts, sulphur, 30 ~ 60 parts, barium sulfate, tolylene diisocyanate 4 ~ 15 parts, stablizer 10 ~ 30 parts, titanium dioxide 10 ~ 30 parts, resin 40 ~ 90 parts.Preparation method: add in reactor by polymeric amide, polyphenylene sulfide, polyvinylpyridine, stirs and is heated to 115 ~ 120 DEG C; In 15 ~ 45min, add polyimide, calcium acetate, carbon black, sulphur, be warming up to 200 ~ 250 DEG C of reaction 1 ~ 2h; Add remaining ingredient, mix, extruding pelletization.The surface resistivity of gained static resistant polyamide matrix material of the present invention is 3.2 × 10
6~ 3.8 × 10
6Ω, arc resistance is 120 ~ 125s, has good antistatic effect.
Description
Technical field
The invention belongs to polymeric material field, particularly relate to static resistant polyamide matrix material and preparation method thereof.
Background technology
Polymeric amide, English name is polyamide, is called for short PA.Being commonly called as nylon (Nylon), is the kind that in five large-engineering plastics, output is maximum, kind maximum, purposes is the widest.Principal item in nylon is nylon 6 and nylon66 fiber, accounts for absolute dominant position, and nylon 6 is polycaprolactam, and nylon66 fiber is PA 66, nylon66 fiber l2% harder than nylon 6; Next is nylon 11, nylon 12, NYLON610, nylon 612, and also have nylon 1010, nylon 46, nylon 7, nylon 9, nylon 13 in addition, new variety have nylon 6I, nylon 9 T and special nylon MXD 6 (barrier resin) etc., the transformed lines show of nylon.Principal item has nylon 6, nylon, nylon 11. nylon 12, NYLON610, nylon 612, nylon 4fi, nylon 1010 etc.Wherein nylon 6, nylon66 fiber output are maximum, account for more than 90% of nylon output.Nylon 11, nylon 12 have outstanding low-temperature flexibility; Nylon 46 has excellent thermotolerance and is developed rapidly, and nylon 1010 take Viscotrol C as the distinctive kind of China of raw material production.Because the chemical structure of various nylon is different, its performance is also variant, but they have common characteristic: can form hydrogen bond between the molecule of nylon, make structure easy, occur crystallization and, between molecule, co-acting force is comparatively large, gives nylon with high-melting-point and mechanical property; Because amide group is hydrophilic radical, water-absorbent is larger.In the chemical structure of nylon, also there is methylene radical and aryl, make nylon have necessarily submissive or rigidity.The ratio of the sub-carboxylic acid in nylon is larger, and in molecule, hydrogen bond number is fewer, and intermolecular forces is less, and flexible increase, water-absorbent is less.Therefore, nylon engineering plastic generally all has excellent mechanical performances, electrical property, and thermotolerance and toughness also have excellent oil-proofness, wear resistance, self lubricity, chemical-resistant and molding processibility.
The Chinese patent application that application number is 201310251813.3, denomination of invention is " antistatic reinforced nylon 66 matrix material " discloses a kind of antistatic reinforced nylon 66 matrix material, belong to technical field of polymer materials, it is characterized in that comprising the following raw material according to weight parts: PA6690 ~ 110 part, 0.5 ~ 0.8 part, oxidation inhibitor, oxyethyl group laurylamide 0.5 ~ 2 part, lubricant TAF0.1 ~ 0.5 part, aramid fiber 5 ~ 10 parts, boric acid ester coupler 0.2 ~ 0.5 part.This invention product, in the advantage keeping prior art, enhances the stability of nylon66 fiber.This matrix material, in order to strengthen its antistatic effect, adds oxyethyl group laurylamide, but relative like this reduces its toughness.
Application number is 200910247295.1, the Chinese patent application that denomination of invention is " antistatic reinforced nylon 66 composition and method of making the same of warpage-resistant " discloses a kind of antistatic reinforced nylon 66 composition and method of making the same of warpage-resistant, said composition comprises following component and content (wt%): nylon 66 slice 40-75, glass fibre 10-30, glass microballon 10-30, static inhibitor 1-5, compatilizer 0.1-10, oxidation inhibitor 0.1-1, lubricant 0.1-1, other raw material except glass fibre is placed in high mixer, the mixture obtained and glass fibre import in screw machine, extruding pelletization, obtain product.Compared with prior art, this invention has excellent dimensional stability, good warpage-resistant ability, there is good antistatic effect simultaneously, to meet the use in the product that dimensional requirement is relatively high, can be used for textile manufacturing machine and mining machinery, and various electronic apparatus, power tool and automotive field.Said composition improves its antistatic effect by directly adding static inhibitor, and the relative content improving static inhibitor then reduces the content of other raw materials, makes antistatic and plasticising toughness reinforcing etc. can not realize simultaneously.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide static resistant polyamide matrix material and preparation method thereof, static resistant polyamide composite material toughness is strong, and antistatic effect is good.
The present invention is by the following technical solutions:
Static resistant polyamide matrix material, comprises the raw material of following parts by weight: polymeric amide 40 ~ 50 parts, polyphenylene sulfide 20 ~ 30 parts, polyvinylpyridine 20 ~ 30 parts, polyimide 30 ~ 80 parts, calcium acetate 40 ~ 60 parts, carbon black 20 ~ 30 parts, 20 ~ 70 parts, sulphur, 30 ~ 60 parts, barium sulfate, tolylene diisocyanate 4 ~ 15 parts, stablizer 10 ~ 30 parts, titanium dioxide 10 ~ 30 parts, resin 40 ~ 90 parts.
As a further improvement on the present invention, the raw material of following parts by weight is comprised: polymeric amide 45 parts, polyphenylene sulfide 25 parts, polyvinylpyridine 25 parts, polyimide 50 parts, calcium acetate 50 parts, carbon black 25 parts, 50 parts, sulphur, 40 parts, barium sulfate, tolylene diisocyanate 10 parts, stablizer 20 parts, titanium dioxide 20 parts, resin 70 parts.
As a further improvement on the present invention, stablizer is sodium stearate or Sodium Benzoate.
As a further improvement on the present invention, the particle diameter of titanium dioxide is 5 ~ 8 microns.
As a further improvement on the present invention, resin is the one in resol, silicone resin or fluoro-resin.
The preparation method of static resistant polyamide matrix material, comprises the following steps:
(1) polymeric amide, polyphenylene sulfide, polyvinylpyridine are added in reactor, stir and be heated to 115 ~ 120 DEG C;
(2) in 15 ~ 45min, add polyimide, calcium acetate, carbon black, sulphur, be warming up to 200 ~ 250 DEG C of reaction 1 ~ 2h;
(3) add barium sulfate, tolylene diisocyanate, stablizer, titanium dioxide, resin, mix, by twin screw extruder extruding pelletization.
As a further improvement on the present invention, step (2) temperature of reaction is 230 DEG C, and the reaction times is 1.5h.
As a further improvement on the present invention, step (3) extrusion temperature is 220 ~ 230 DEG C.
Principle: the gravitation added on the one hand between reduction molecule of barium sulfate, thus reduce electrostatic; On the other hand, the matrix material obtained can be made to possess stronger mechanical property.
Technique effect
Surface resistivity of the present invention is 3.2 × 10
6~ 3.8 × 10
6Ω, arc resistance is 120 ~ 125s, and the surface resistivity of barium sulfate-containing is not 1.1 × 10
8Ω, arc resistance is 80s, illustrates that the present invention has good antistatic effect.In addition, breaking tenacity of the present invention is 80 ~ 84MPa, and therefore, the present invention also has stronger mechanical property.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described in detail.
Embodiment 1
Static resistant polyamide matrix material, comprises the raw material of following parts by weight: polymeric amide 40 parts, polyphenylene sulfide 20 parts, polyvinylpyridine 20 parts, polyimide 30 parts, calcium acetate 40 parts, carbon black 20 parts, 20 parts, sulphur, 30 parts, barium sulfate, tolylene diisocyanate 4 parts, stablizer 10 parts, titanium dioxide 10 parts, resin 40 parts.
Stablizer is sodium stearate.
The particle diameter of titanium dioxide is 5 microns.
Resin is resol.
The preparation method of static resistant polyamide matrix material, comprises the following steps:
(1) polymeric amide, polyphenylene sulfide, polyvinylpyridine are added in reactor, stir and be heated to 115 DEG C;
(2) in 15min, add polyimide, calcium acetate, carbon black, sulphur, be warming up to 200 DEG C of reaction 1h;
(3) add barium sulfate, tolylene diisocyanate, stablizer, titanium dioxide, resin, mix, by twin screw extruder extruding pelletization.
Step (3) extrusion temperature is 220 DEG C.
Embodiment 2
Static resistant polyamide matrix material, comprises the raw material of following parts by weight: polymeric amide 50 parts, polyphenylene sulfide 30 parts, polyvinylpyridine 30 parts, polyimide 80 parts, calcium acetate 60 parts, carbon black 30 parts, 70 parts, sulphur, 60 parts, barium sulfate, tolylene diisocyanate 15 parts, stablizer 30 parts, titanium dioxide 30 parts, resin 90 parts.
Stablizer is Sodium Benzoate.
The particle diameter of titanium dioxide is 8 microns.
The preparation method of static resistant polyamide matrix material, comprises the following steps:
(1) polymeric amide, polyphenylene sulfide, polyvinylpyridine are added in reactor, stir and be heated to 120 DEG C;
(2) in 45min, add polyimide, calcium acetate, carbon black, sulphur, be warming up to 250 DEG C of reaction 2h;
(3) add barium sulfate, tolylene diisocyanate, stablizer, titanium dioxide, resin, mix, by twin screw extruder extruding pelletization.
Step (3) extrusion temperature is 230 DEG C.
Embodiment 3
Static resistant polyamide matrix material, comprises the raw material of following parts by weight: polymeric amide 45 parts, polyphenylene sulfide 25 parts, polyvinylpyridine 25 parts, polyimide 50 parts, calcium acetate 50 parts, carbon black 25 parts, 50 parts, sulphur, 40 parts, barium sulfate, tolylene diisocyanate 10 parts, stablizer 20 parts, titanium dioxide 20 parts, resin 70 parts.
Stablizer is sodium stearate.
The particle diameter of titanium dioxide is 7 microns.
Resin is silicone resin.
The preparation method of static resistant polyamide matrix material, comprises the following steps:
(1) polymeric amide, polyphenylene sulfide, polyvinylpyridine are added in reactor, stir and be heated to 118 DEG C;
(2) in 25min, add polyimide, calcium acetate, carbon black, sulphur, be warming up to 230 DEG C of reaction 1.5h;
(3) add barium sulfate, tolylene diisocyanate, stablizer, titanium dioxide, resin, mix, by twin screw extruder extruding pelletization.
Step (3) extrusion temperature is 225 DEG C.
Embodiment 4
Static resistant polyamide matrix material, comprises the raw material of following parts by weight: polymeric amide 42 parts, polyphenylene sulfide 22 parts, polyvinylpyridine 22 parts, polyimide 35 parts, calcium acetate 42 parts, carbon black 22 parts, 30 parts, sulphur, 35 parts, barium sulfate, tolylene diisocyanate 8 parts, stablizer 15 parts, titanium dioxide 15 parts, resin 48 parts.
Stablizer is Sodium Benzoate.
The particle diameter of titanium dioxide is 7 microns.
Resin is fluoro-resin.
The preparation method of static resistant polyamide matrix material, comprises the following steps:
(1) polymeric amide, polyphenylene sulfide, polyvinylpyridine are added in reactor, stir and be heated to 119 DEG C;
(2) in 16min, add polyimide, calcium acetate, carbon black, sulphur, be warming up to 220 DEG C of reaction 1.8h;
(3) add barium sulfate, tolylene diisocyanate, stablizer, titanium dioxide, resin, mix, by twin screw extruder extruding pelletization.
Step (3) extrusion temperature is 228 DEG C.
Comparative example
Identical with embodiment 1, unlike: not barium sulfate-containing.
Performance test
Performance test is carried out to embodiment 1 ~ 3 and comparative example, the results are shown in Table 1.
Table 1
Conclusion: known according to table 1, surface resistivity of the present invention is 3.2 × 10
6~ 3.8 × 10
6Ω, arc resistance is 120 ~ 125s, and the surface resistivity of the comparative example of barium sulfate-containing is not 1.1 × 10
8Ω, arc resistance is 80s, illustrates that the present invention has good antistatic effect.In addition, breaking tenacity of the present invention is 80 ~ 84MPa, and far above the 32MPa of comparative example, therefore, the present invention also has stronger mechanical property.
Claims (8)
1. static resistant polyamide matrix material, it is characterized in that, comprise the raw material of following parts by weight: polymeric amide 40 ~ 50 parts, polyphenylene sulfide 20 ~ 30 parts, polyvinylpyridine 20 ~ 30 parts, polyimide 30 ~ 80 parts, calcium acetate 40 ~ 60 parts, carbon black 20 ~ 30 parts, 20 ~ 70 parts, sulphur, 30 ~ 60 parts, barium sulfate, tolylene diisocyanate 4 ~ 15 parts, stablizer 10 ~ 30 parts, titanium dioxide 10 ~ 30 parts, resin 40 ~ 90 parts.
2. static resistant polyamide matrix material according to claim 1, is characterized in that: the raw material comprising following parts by weight: polymeric amide 45 parts, polyphenylene sulfide 25 parts, polyvinylpyridine 25 parts, polyimide 50 parts, calcium acetate 50 parts, carbon black 25 parts, 50 parts, sulphur, 40 parts, barium sulfate, tolylene diisocyanate 10 parts, stablizer 20 parts, titanium dioxide 20 parts, resin 70 parts.
3. static resistant polyamide matrix material according to claim 1, is characterized in that: stablizer is sodium stearate or Sodium Benzoate.
4. static resistant polyamide matrix material according to claim 1, is characterized in that: the particle diameter of titanium dioxide is 5 ~ 8 microns.
5. static resistant polyamide matrix material according to claim 1, is characterized in that: resin is the one in resol, silicone resin or fluoro-resin.
6. the preparation method of static resistant polyamide matrix material according to claim 1, is characterized in that: comprise the following steps:
(1) polymeric amide, polyphenylene sulfide, polyvinylpyridine are added in reactor, stir and be heated to 115 ~ 120 DEG C;
(2) in 15 ~ 45min, add polyimide, calcium acetate, carbon black, sulphur, be warming up to 200 ~ 250 DEG C of reaction 1 ~ 2h;
(3) add barium sulfate, tolylene diisocyanate, stablizer, titanium dioxide, resin, mix, by twin screw extruder extruding pelletization.
7. the preparation method of static resistant polyamide matrix material according to claim 6, is characterized in that: step (2) temperature of reaction is 230 DEG C, and the reaction times is 1.5h.
8. the preparation method of static resistant polyamide matrix material according to claim 6, is characterized in that: step (3) extrusion temperature is 220 ~ 230 DEG C.
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| CN103289394A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Antistatic reinforced Nylon 66 composite |
| CN103613924A (en) * | 2013-11-12 | 2014-03-05 | 苏州博利迈新材料科技有限公司 | Anti-electrostatic, reinforced and toughened nylon 612 composite material and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103289394A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Antistatic reinforced Nylon 66 composite |
| CN103613924A (en) * | 2013-11-12 | 2014-03-05 | 苏州博利迈新材料科技有限公司 | Anti-electrostatic, reinforced and toughened nylon 612 composite material and preparation method and application thereof |
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