CN107573683A - A kind of low-k fiber glass reinforced polyamide material and preparation method thereof - Google Patents
A kind of low-k fiber glass reinforced polyamide material and preparation method thereof Download PDFInfo
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- CN107573683A CN107573683A CN201710756560.3A CN201710756560A CN107573683A CN 107573683 A CN107573683 A CN 107573683A CN 201710756560 A CN201710756560 A CN 201710756560A CN 107573683 A CN107573683 A CN 107573683A
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Abstract
The present invention discloses a kind of low-k fiber glass reinforced polyamide material and preparation method thereof, and its material is made up of in parts by weight following components：10 70 parts of PA66；5 20 parts of PA6I/6T copolymers；20 60 parts of glass fibre；5 10 parts of zeolite；0.8 1.2 parts of antioxidant；0.5 1 parts of lubricant；Its preparation method is：After dried PA66, PA6I/6T, zeolite, antioxidant, mix lubricant double screw extruder will be added from main spout, glass fibre after silane coupler processing adds double screw extruder through side spout, by melting, extruding, being granulated, low-k fiber glass reinforced polyamide material is obtained.The polyamide material that the present invention is prepared into possesses low-k and low loss factors, is provided simultaneously with excellent mechanical property, splendid mobility and excellent anti-floating fibre effect.
Description
Technical field
The present invention relates to the technical field of polyamide material, and in particular to a kind of low-k fiber glass reinforced polyamide material
Material and preparation method thereof.
Background technology
Engineering plastics are generally configured with excellent mechanical strength, high temperature resistant, corrosion-resistant, scratch-resistant performance, and easy to process, when
Normal alternative metals are used to manufacture machine components.Engineering thermoplastic's material includes polyamide, polytetrafluoroethylene (PTFE), ABS plastic, poly- first
Aldehyde, polycarbonate-based material, it is widely used in the row such as electric, automobile, building, office equipment, machinery, Aero-Space
Industry.In recent years, fashion trend is turned into using engineering plastics process industry part, device housings.
Thermoplastic polyester polyamide, is commonly called as nylon, has excellent mechanical property, higher intensity and Zi Run
Slip, while there is excellent chemical-resistant.Modeling Dai Gang in engineering plastics, to mould in Dai Mu applications there is important work
With.With the development of mobile phone industry, the arrival in 5G epoch, the loss of the dielectric constant of mobile phone plastic material to signal extensively by
To attention.Infringement of the material of low-k to signal is smaller, more meets performance requirement of the 5G epoch to material.However, mesh
The dielectric constant of the preceding plastic material being commonly used is 3.8-3.9, and dielectric constant values are larger, also larger to loss of signal.
The content of the invention
For overcome the deficiencies in the prior art, the technical problem proposed for background technology, it is an object of the invention to
A kind of low-k fiber glass reinforced polyamide material and preparation method thereof is provided.
To realize the purpose of the present invention, realized by following technical scheme：
A kind of low-k fiber glass reinforced polyamide material, it is made up of in parts by weight following components：
Further, the relative viscosity of the PA66 is 2.4-3.2Pas.
Further, described glass fibre is the alkali-free glass fibre after silane coupler is handled.
Further, the silane coupler is at least one in KH-550, KH-560, KH-570, A-151 and A-171
Kind.
Further, suction ammonia amount >=130meq/100g of the zeolite.
Further, described antioxidant is at least one of antioxidant 1098 and irgasfos 168.
Further, the antioxidant 1098 and irgasfos 168 are used cooperatively, and its weight ratio is 1:2-3.
Further, the lubricant is at least one of Tissuemat E, montanic acid wax.
A kind of preparation method of low-k fiber glass reinforced polyamide material, step are as follows：By dried PA66,
PA6I/6T is put into high-speed mixer and mixed with zeolite, antioxidant, lubricant, and mixed material is fed from the master of double screw extruder
Material mouth is added to double screw extruder；Glass fibre after silane coupler is handled is added to twin-screw extrusion from side spout
In machine；By melting, extruding, being granulated, low-k fiber glass reinforced polyamide material is obtained.
Beneficial effects of the present invention：
Contain benzene ring structure in the PA6I/6T copolymer molecule chains that the present invention selects, it is blended with PA66, assigns blending material
Expect low warpage and agent of low hygroscopicity characteristic.
Zeolite possesses rack-like structure, and molecule connects together as building a framework in its crystal, and centre forms many cavitys,
Its special construction assigns the polyamide material low-k prepared, to meet that 5G epoch mobile phone plastics are wanted to dielectric constant
Ask.
Low-k fiber glass reinforced polyamide material produced by the present invention possesses excellent rigidity, can be applied to mould generation
Steel or to mould Dai Mu association area.Excellent mobility is provided simultaneously with, the injection demand of thin-gage goods can be met.
In addition, preparation technology of the present invention is simple to operate, processing step is easily controlled, suitable industrial production.
Embodiment：
To be best understood from the present invention, with reference to embodiment, the present invention is described further.Embodiment is only to this
Invention illustrates rather than it is limited.
Embodiment 1：
A kind of low-k fiber glass reinforced polyamide material, it is made up of in parts by weight following components：
(1) PA66 is dried into 3h at 100 DEG C, by PA66, PA6I/6T (Du Pont 3426), zeolite, antioxidant, lubricant
High-speed mixer and mixing 2-5 minutes are added to together；
(2) by mixed material through main spout, the alkali-free glass fibre after KH-550 processing adds double through side spout
Screw extruder, through melting, extruding, being granulated low-k fiber glass reinforced polyamide material is made.Wherein, extruder barrel temperature
Degree is arranged to 190 DEG C, 220 DEG C, 230 DEG C, 250 DEG C, 270 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 240 DEG C, screw speed 450r/
Min, vacuum are -0.06MPa.
Embodiment 2：
A kind of low-k fiber glass reinforced polyamide material, it is made up of in parts by weight following components：
(1) by PA66 at 100 DEG C dry 3h, by weight than PA66, PA6I/6T (Du Pont 3426), zeolite, antioxidant,
Lubricant is added to high-speed mixer and mixing 2-5 minutes together；
(2) by mixed material through main spout, the alkali-free glass fibre after KH-560 processing adds double through side spout
Screw extruder, through melting, extruding, being granulated low-k fiber glass reinforced polyamide material is made.Wherein, extruder barrel temperature
Degree is arranged to 190 DEG C, 220 DEG C, 230 DEG C, 250 DEG C, 270 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 240 DEG C, screw speed 450r/
Min, vacuum are -0.06MPa.
Embodiment 3：
A kind of low-k fiber glass reinforced polyamide material, it is made up of in parts by weight following components：
(1) by PA66 at 110 DEG C dry 4h, by weight than PA66, PA6I/6T (Du Pont 3426), zeolite, antioxidant,
Lubricant is added to high-speed mixer and mixing 2-5 minutes；
(2) by mixed material through main spout, the alkali-free glass fibre after A-151 processing adds double spiral shells through side spout
Bar extruder, through melting, extruding, being granulated low-k fiber glass reinforced polyamide material is made.Wherein, extruder barrel temperature
190 DEG C, 220 DEG C, 230 DEG C, 250 DEG C, 270 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 240 DEG C are arranged to, screw speed 450r/
Min, vacuum are -0.06MPa.
Comparative example：
A kind of fiber glass reinforced polyamide material, it is made up of in parts by weight following components：
(1) PA66 is dried into 4h at 110 DEG C, weight be added to than PA66, zeolite, antioxidant, lubricant together high
2-5 minutes are mixed in mixed machine；
(2) by mixed material through main spout, the alkali-free glass fibre after A-171 processing adds double spiral shells through side spout
Bar extruder, through melting, extruding, being granulated fiber glass reinforced polyamide material is made.Wherein, extruder barrel temperature setting is 190
DEG C, 220 DEG C, 230 DEG C, 250 DEG C, 270 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 240 DEG C, screw speed 450r/min, vacuum
For -0.06MPa.
For the effect of the checking present invention, above-described embodiment 1-3 is tested respectively according to corresponding standard and comparative example is made
The tensile strength of sample, bending strength, bending modulus, simply supported beam notch impact strength, melt index, dielectric constant, loss
The factor carries out contrast test, as a result as shown in table 1.
The composite property index of table 1
It is normal to possess relatively low dielectric from the low-k fiber glass reinforced polyamide material that shown in table 1, prepared by embodiment 1-3
Number, and dielectric constant and fissipation factor are directly proportional to the addition of glass fibre.Comparing embodiment and comparative example dielectric constant and
Dielectric loss difference, the low-k fiber glass reinforced polyamide material selection PA6I/6T and zeolite that the present invention generates are raw material,
Significantly reduce the dielectric constant and dielectric loss of material.Meet the requirement for stepping on communication electronics GB/T 12636, meet the 5G epoch pair
The requirement of mobile phone material.Tensile strength bending strength, bending modulus, simply supported beam notch impact strength, melt index are satisfied by going
Industry requirement.
It is above-mentioned that the preferred embodiment of the present invention is described as to embodiment.The invention is not restricted to embodiment here, sheet
Art personnel do not depart from improvement that scope made and modification all should be in the present invention according to the announcement of the present invention
Protection domain in.
Claims (9)
- A kind of 1. low-k fiber glass reinforced polyamide material, it is characterised in that：It is made up of in parts by weight following components：PA66 10-70 parts；PA6I/6T copolymer 5-20 parts；Glass fibre 20-60 parts；Zeolite 5-10 parts；Antioxidant 0.8-1.2 parts；1 part of lubricant 0.5-.
- A kind of 2. low-k fiber glass reinforced polyamide material according to claim 1, it is characterised in that：It is described PA66 relative viscosity is 2.4-3.2 Pas.
- A kind of 3. low-k fiber glass reinforced polyamide material according to claim 1, it is characterised in that：Described Glass fibre is the alkali-free glass fibre after silane coupler is handled.
- A kind of 4. low-k fiber glass reinforced polyamide material according to claim 3, it is characterised in that：The silicon Alkane coupling agent is at least one of KH-550, KH-560, KH-570, A-151 and A-171.
- A kind of 5. low-k fiber glass reinforced polyamide material according to claim 1, it is characterised in that：The boiling The meq/100g of the suction ammonia amount of stone >=130.
- A kind of 6. low-k fiber glass reinforced polyamide material according to claim 1, it is characterised in that：Described Antioxidant is at least one of antioxidant 1098 and irgasfos 168.
- A kind of 7. low-k fiber glass reinforced polyamide material according to claim 6, it is characterised in that：It is described anti- Oxygen agent 1098 and irgasfos 168 are used cooperatively, and its weight ratio is 1:2-3.
- A kind of 8. low-k fiber glass reinforced polyamide material according to claim 1, it is characterised in that：The profit Lubrication prescription is at least one of Tissuemat E, montanic acid wax.
- 9. a kind of method of low-k fiber glass reinforced polyamide material as described in any one of claim 1-8 is prepared, its It is characterised by：Step is as follows：Dried PA66, PA6I/6T, zeolite, antioxidant, lubricant are put into high-speed mixer and mixed Close；Mixed material is added to double screw extruder, the glass after silane coupler processing from the main spout of double screw extruder Fiber is added to double screw extruder from side spout；Through melting, extruding, being granulated, low-k fiberglass reinforced polyamides is obtained Amine material.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108410167A (en) * | 2018-04-09 | 2018-08-17 | 贵州省材料产业技术研究院 | Low dielectric nylon material of a kind of fiberglass reinforced and preparation method thereof |
| CN111117224A (en) * | 2019-12-27 | 2020-05-08 | 会通新材料股份有限公司 | Low-water-absorption glass fiber reinforced polyamide material and preparation method thereof |
| CN112625439A (en) * | 2020-12-28 | 2021-04-09 | 广东优巨先进新材料股份有限公司 | Low-dielectric polyaramide liquid crystal composite material and preparation method and application thereof |
| CN112679946A (en) * | 2020-12-22 | 2021-04-20 | 浙江普利特新材料有限公司 | High-temperature-resistant high-humidity-resistant flame-retardant reinforced PA66 composite material and preparation method thereof |
| CN113235225A (en) * | 2021-04-14 | 2021-08-10 | 清华大学深圳国际研究生院 | Substrate material and preparation method thereof |
| CN113736254A (en) * | 2021-09-28 | 2021-12-03 | 浙江新力新材料股份有限公司 | Low-dielectric-constant flame-retardant reinforced bio-based high-temperature polyamide material and preparation method thereof |
| CN115413285A (en) * | 2020-03-13 | 2022-11-29 | 英威达纺织（英国）有限公司 | Thermoplastic resins for network applications |
| CN115819895A (en) * | 2022-12-28 | 2023-03-21 | 重庆会通科技有限公司 | Low-dielectric-constant polypropylene composite material, preparation method and application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519663A (en) * | 2016-11-21 | 2017-03-22 | 上海金发科技发展有限公司 | Flame-retardant and high temperature-resistant polyimide compound and preparation method thereof |
-
2017
- 2017-08-29 CN CN201710756560.3A patent/CN107573683B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519663A (en) * | 2016-11-21 | 2017-03-22 | 上海金发科技发展有限公司 | Flame-retardant and high temperature-resistant polyimide compound and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108410167A (en) * | 2018-04-09 | 2018-08-17 | 贵州省材料产业技术研究院 | Low dielectric nylon material of a kind of fiberglass reinforced and preparation method thereof |
| CN111117224A (en) * | 2019-12-27 | 2020-05-08 | 会通新材料股份有限公司 | Low-water-absorption glass fiber reinforced polyamide material and preparation method thereof |
| CN115413285A (en) * | 2020-03-13 | 2022-11-29 | 英威达纺织（英国）有限公司 | Thermoplastic resins for network applications |
| CN115413285B (en) * | 2020-03-13 | 2024-04-16 | 英威达纺织（英国）有限公司 | Thermoplastic resins for network applications |
| CN112679946A (en) * | 2020-12-22 | 2021-04-20 | 浙江普利特新材料有限公司 | High-temperature-resistant high-humidity-resistant flame-retardant reinforced PA66 composite material and preparation method thereof |
| CN112625439A (en) * | 2020-12-28 | 2021-04-09 | 广东优巨先进新材料股份有限公司 | Low-dielectric polyaramide liquid crystal composite material and preparation method and application thereof |
| CN113235225A (en) * | 2021-04-14 | 2021-08-10 | 清华大学深圳国际研究生院 | Substrate material and preparation method thereof |
| CN113736254A (en) * | 2021-09-28 | 2021-12-03 | 浙江新力新材料股份有限公司 | Low-dielectric-constant flame-retardant reinforced bio-based high-temperature polyamide material and preparation method thereof |
| CN115819895A (en) * | 2022-12-28 | 2023-03-21 | 重庆会通科技有限公司 | Low-dielectric-constant polypropylene composite material, preparation method and application |
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