CN105017768A - Polyarmide fiber composite material and preparation technology thereof - Google Patents
Polyarmide fiber composite material and preparation technology thereof Download PDFInfo
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- CN105017768A CN105017768A CN201510361952.0A CN201510361952A CN105017768A CN 105017768 A CN105017768 A CN 105017768A CN 201510361952 A CN201510361952 A CN 201510361952A CN 105017768 A CN105017768 A CN 105017768A
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- CN
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- Prior art keywords
- tynex
- matrix material
- weight part
- polynite
- part ratio
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a polyarmide fiber composite material. The polyarmide fiber composite material comprises polyarmide fibers, a modifier maleic anhydride grafted POE, chitosan modified montmorillonite, and a compatibilizer. The invention also discloses a preparation technology of the polyarmide fiber composite material. POE is grafted and modified by maleic anhydride, so the modified POE can be well fused with the polyarmide fibers and other raw material components, thereby the heat resistance temperature of the composite material is improved, the permanent deformation decreases, and the tensile strength, the tearing strength and other main performance performances are greatly improved; and the modified montmorillonite is used to well enhance the toughness of the polyarmide fibers, so the polyarmide fiber material with high performances and good comprehensive performances is obtained.
Description
Technical field
The present invention relates to technical field of composite preparation, be specifically related to a kind of high performance tynex matrix material and preparation technology thereof.
Background technology
Tynex (nylon/PA) is mainly used in synthon, has good over-all properties, comprise mechanical property, wearability, thermotolerance, chemical proofing and self lubricity, and frictional coefficient is low, have certain flame retardant resistance, is easy to processing.The most outstanding advantage of tynex be wear resistance higher than other fibers, higher than cotton fibre wear resistance 10 times, higher than wool fiber 20 times, and when being stretched to 3-6%, elastic recovery rate can reach 100%; Tynex has very high intensity, and can stand up to ten thousand foldings and scratch and do not rupture, be 3 times of viscose fiber than cotton fibre height 1-2 doubly, than wool fiber height 4-5 doubly.Due to the excellent wear resistance of tynex, intensity, thermotolerance, chemical proofing and easy to process etc., thus obtain extensive application at automobile, aviation, military project, life Products Industry, and there is larger development prospect.
Along with the widespread use of tynex, industrial these tynex products to be had higher requirement, toughness and the photostabilization of tynex itself are poor, retentivity is not good yet, along with the prolongation of duration of service, its mechanical property and corrosion-resistant stability obviously decline, and these shortcomings have impact on the application of polyamide fiber material to a certain extent.
Summary of the invention
Not enough for prior art, the invention provides a kind of high-performance, over-all properties good tynex matrix material and preparation technology.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of tynex matrix material, comprises following raw material:
Tynex, described tynex is the mixture of polymeric amide-66 and polymeric amide-610, and the mass ratio of polymeric amide-610 and polymeric amide-66 is 1:3 ~ 5, and its weight part ratio is 60 ~ 80wt%;
Properties-correcting agent, maleic anhydride graft POE, its weight part ratio is 15 ~ 30wt%;
Chitin modified polynite, its weight part ratio is 5 ~ 10wt%;
Expanding material, its weight part ratio is 0.5 ~ 2wt%.
Further, described a kind of tynex matrix material also comprises one or more in dispersion agent, oxidation inhibitor, ultraviolet additive, and its total weight parts ratio is 0.5 ~ 1wt%.
Further, described solubilizing agent is cyclic acid anhydride type or imide-type solubilizing agent.
Further, the percentage of grafting of described maleic anhydride graft POE is 0.15 ~ 1.6%.
Further, the preparation method of described chitin modified polynite is: get nano level polynite and be placed in 20 ~ 100 times of pure water fully stirring 100 ~ 200h, then leave standstill 3 ~ 6h for subsequent use as the polynite aqueous solution; Chitosan is placed in 20 ~ 50 times of acetums and is mixed with chitosan solution; Chitosan solution and isopyknic polynite aqueous solution are stirred 15 ~ 25h, then centrifuging and taking solid substance deionized water wash, and is dried to moisture content <0.5%, be chitin modified polynite.
The preparation method of described a kind of tynex matrix material, comprises the following steps:
1) prepare raw material by described weight part ratio, and described raw material is placed in high-speed mixer mixing 3 ~ 5min, obtain Preblend;
2) Preblend of step 1 gained is placed in twin screw extruder melt extrude granulation both matrix material of the present invention, to melt extrude in technique and arrange to the temperature of head from spout: feeding section temperature 190 ~ 220 DEG C, fluxing zone temperature 220 ~ 240 DEG C, head temperature 220 ~ 240 DEG C, screw speed 250 ~ 300r/min.
POE has the excellent properties such as ageing-resistant, resistance to ozone, resistant to chemical media, by carrying out modified by maleic acid anhydride graft to POE, make its better and tynex and other material compositions merge, the heat resisting temperature of matrix material is enhanced, tension set reduces, the Main Mechanical such as tensile strength, tear strength all has significant improvement, with modified montmorillonoid with the use of, can well the toughness of reinforced polyamide fiber, obtain high-performance, over-all properties good polyamide fiber material.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1: a kind of tynex matrix material, comprises following raw material:
Tynex, described tynex is the mixture of polymeric amide-66 and polymeric amide-610, and the mass ratio of polymeric amide-610 and polymeric amide-66 is 1:3, and its weight part ratio is 70wt%; Properties-correcting agent, maleic anhydride graft POE, its weight part ratio is 22wt%; Chitin modified polynite, its weight part ratio is 7wt%; Expanding material, its weight part ratio is 0.5wt%.
In the present embodiment, described a kind of tynex matrix material also comprises dispersion agent, oxidation inhibitor and ultraviolet additive, and its total weight parts is than being 0.5wt%, and described dispersion agent, oxidation inhibitor and ultraviolet additive are commercial resins processing additives, and following examples are same; Described solubilizing agent is cyclic acid anhydride type solubilizing agent; The percentage of grafting of described maleic anhydride graft POE is 0.15 ~ 1.6%.
Further, the preparation method of described chitin modified polynite is: get nano level polynite and be placed in 20 times of pure water and fully stir 200h, then leaves standstill 3h for subsequent use as the polynite aqueous solution; Chitosan is placed in 50 times of acetums and is mixed with chitosan solution; Chitosan solution and isopyknic polynite aqueous solution are stirred 25h, then centrifuging and taking solid substance deionized water wash, and is dried to moisture content <0.5%, be chitin modified polynite.
The preparation method of described a kind of tynex matrix material, comprises the following steps:
1) prepare raw material by described weight part ratio, and described raw material is placed in high-speed mixer mixing 3min, obtain Preblend;
2) Preblend of step 1 gained is placed in twin screw extruder melt extrude granulation both matrix material of the present invention, to melt extrude in technique and arrange to the temperature of head from spout: feeding section spout temperature 190 DEG C, fluxing zone temperature arranges 220 DEG C, 225 DEG C, 230 DEG C, 235 DEG C, head temperature 230 DEG C, screw speed 270r/min.
Embodiment 2: a kind of tynex matrix material, comprises following raw material:
Tynex, described tynex is the mixture of polymeric amide-66 and polymeric amide-610, and the mass ratio of polymeric amide-610 and polymeric amide-66 is 1:5, and its weight part ratio is 60wt%; Properties-correcting agent, maleic anhydride graft POE, its weight part ratio is 30wt%; Chitin modified polynite, its weight part ratio is 7wt%; Expanding material, its weight part ratio is 2wt%.
In the present embodiment, described a kind of tynex matrix material also comprises oxidation inhibitor and ultraviolet additive, and its total weight parts is than being 1wt%; Described solubilizing agent is imide-type solubilizing agent; The percentage of grafting of described maleic anhydride graft POE is 0.15 ~ 1.6%.
Further, the preparation method of described chitin modified polynite is: get nano level polynite and be placed in 100 times of pure water and fully stir 100h, then leaves standstill 4h for subsequent use as the polynite aqueous solution; Chitosan is placed in 30 times of acetums and is mixed with chitosan solution; Chitosan solution and isopyknic polynite aqueous solution are stirred 18h, then centrifuging and taking solid substance deionized water wash, and is dried to moisture content <0.5%, be chitin modified polynite.
The preparation method of described a kind of tynex matrix material, comprises the following steps:
1) prepare raw material by described weight part ratio, and described raw material is placed in high-speed mixer mixing 4min, obtain Preblend;
2) Preblend of step 1 gained is placed in twin screw extruder melt extrude granulation both matrix material of the present invention, to melt extrude in technique and arrange to the temperature of head from spout: feeding section spout temperature 220 DEG C, fluxing zone temperature arranges 225 DEG C, 230 DEG C, 235 DEG C, 235 DEG C, head temperature 235 DEG C, screw speed 250r/min.
Embodiment 3: a kind of tynex matrix material, comprises following raw material:
Tynex, described tynex is the mixture of polymeric amide-66 and polymeric amide-610, and the mass ratio of polymeric amide-610 and polymeric amide-66 is 1:4, and its weight part ratio is 74wt%; Properties-correcting agent, maleic anhydride graft POE, its weight part ratio is 19wt%; Chitin modified polynite, its weight part ratio is 5wt%; Expanding material, its weight part ratio is 1.5wt%.
In the present embodiment, described a kind of tynex matrix material also comprises oxidation inhibitor, and its weight part ratio is 0.5wt%; Described solubilizing agent is cyclic acid anhydride type solubilizing agent; The percentage of grafting of described maleic anhydride graft POE is 0.15 ~ 1.6%.
Further, the preparation method of described chitin modified polynite is: get nano level polynite and be placed in 75 times of pure water and fully stir 135h, then leaves standstill 4h for subsequent use as the polynite aqueous solution; Chitosan is placed in 35 times of acetums and is mixed with chitosan solution; Chitosan solution and isopyknic polynite aqueous solution are stirred 19h, then centrifuging and taking solid substance deionized water wash, and is dried to moisture content <0.5%, be chitin modified polynite.
The preparation method of described a kind of tynex matrix material, comprises the following steps:
1) prepare raw material by described weight part ratio, and described raw material is placed in high-speed mixer mixing 3min, obtain Preblend;
2) Preblend of step 1 gained is placed in twin screw extruder melt extrude granulation both matrix material of the present invention, to melt extrude in technique and arrange to the temperature of head from spout: feeding section spout temperature 200 DEG C, fluxing zone temperature arranges 220 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, head temperature 240 DEG C, screw speed 300r/min.
Embodiment 4: a kind of tynex matrix material, comprises following raw material:
Tynex, described tynex is the mixture of polymeric amide-66 and polymeric amide-610, and the mass ratio of polymeric amide-610 and polymeric amide-66 is 1:3, and its weight part ratio is 66wt%; Properties-correcting agent, maleic anhydride graft POE, its weight part ratio is 24wt%; Chitin modified polynite, its weight part ratio is 8wt%; Expanding material, its weight part ratio is 1.3wt%.
In the present embodiment, described a kind of tynex matrix material also comprises dispersion agent, and its weight part ratio is 0.7wt%; Described solubilizing agent is imide-type solubilizing agent; The percentage of grafting of described maleic anhydride graft POE is 0.15 ~ 1.6%.
Further, the preparation method of described chitin modified polynite is: get nano level polynite and be placed in 25 times of pure water and fully stir 187h, then leaves standstill 5h for subsequent use as the polynite aqueous solution; Chitosan is placed in 50 times of acetums and is mixed with chitosan solution; Chitosan solution and isopyknic polynite aqueous solution are stirred 19h, then centrifuging and taking solid substance deionized water wash, and is dried to moisture content <0.5%, be chitin modified polynite.
The preparation method of described a kind of tynex matrix material, comprises the following steps:
1) prepare raw material by described weight part ratio, and described raw material is placed in high-speed mixer mixing 3min, obtain Preblend;
2) Preblend of step 1 gained is placed in twin screw extruder melt extrude granulation both matrix material of the present invention, to melt extrude in technique and arrange to the temperature of head from spout: feeding section spout temperature 200 DEG C, fluxing zone temperature arranges 220 DEG C, 225 DEG C, 230 DEG C, 230 DEG C, head temperature 220 DEG C, screw speed 280r/min.
Above embodiment resulting materials is as shown in the table according to GB testing standard test performance result.
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example * |
| Flexural strength MPa | 193.3 | 189.9 | 210.1 | 192.4 | 93.2 |
| Tensile strength MPa | 168.9 | 160.3 | 173.8 | 163.9 | 74.6 |
| Elongation at break % | 57.6 | 55.7 | 61.3 | 65.2 | 38.8 |
| Notched Izod impact strength KJ/m 2 | 39.0 | 37.5 | 40.5 | 38.7 | 17.3 |
* comparative example is the material that polymeric amide-66 and polymeric amide-610 are prepared by the preparation method in embodiment arbitrary in the embodiment of the present invention 1 ~ 4, and wherein the mass ratio of polymeric amide-66 and polymeric amide-610 is 1:4.
The performance test results of embodiment gained matrix material is known, a kind of tynex matrix material prepared by the present invention has a distinct increment compared with the performance of common polyamide material, contribute to the range of application widening polyamide fiber material, especially the use in automobile product field, be a kind of high-performance, over-all properties good tynex matrix material.
Claims (6)
1. a tynex matrix material, is characterized in that, comprises following raw material:
Tynex, described tynex is the mixture of polymeric amide-66 and polymeric amide-610, and the mass ratio of polymeric amide-610 and polymeric amide-66 is 1:3 ~ 5, and the weight part ratio of described tynex is 60 ~ 80wt%;
Properties-correcting agent, maleic anhydride graft POE, its weight part ratio is 15 ~ 30wt%;
Chitin modified polynite, its weight part ratio is 5 ~ 10wt%;
Expanding material, its weight part ratio is 0.5 ~ 2wt%.
2. a kind of tynex matrix material according to claim 1, is characterized in that, also comprises one or more in dispersion agent, oxidation inhibitor, ultraviolet additive, and its total weight parts ratio is 0.5 ~ 1wt%.
3. a kind of tynex matrix material according to claim 1, is characterized in that, described solubilizing agent is cyclic acid anhydride type or imide-type solubilizing agent.
4. a kind of tynex matrix material according to claim 1, is characterized in that, the percentage of grafting of described maleic anhydride graft POE is 0.15 ~ 1.6%.
5. a kind of tynex matrix material according to claim 1, it is characterized in that, the preparation method of described chitin modified polynite is: get nano level polynite and be placed in 20 ~ 100 times of pure water fully stirring 100 ~ 200h, then leave standstill 3 ~ 6h for subsequent use as the polynite aqueous solution; Chitosan is placed in 20 ~ 50 times of acetums and is mixed with chitosan solution; Chitosan solution and isopyknic polynite aqueous solution are stirred 15 ~ 25h, then centrifuging and taking solid substance deionized water wash, and is dried to moisture content <0.5%, be chitin modified polynite.
6. the preparation method of the arbitrary described a kind of tynex matrix material of claim 1 ~ 5, is characterized in that, comprise the following steps:
1) prepare raw material by described weight part ratio, and described raw material is placed in high-speed mixer mixing 3 ~ 5min, obtain Preblend;
2) Preblend of step 1 gained is placed in twin screw extruder melt extrude granulation both matrix material of the present invention, to melt extrude in technique and arrange to the temperature of head from spout: feeding section temperature 190 ~ 220 DEG C, fluxing zone temperature 220 ~ 240 DEG C, head temperature 220 ~ 240 DEG C, screw speed 250 ~ 300r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510361952.0A CN105017768A (en) | 2015-06-26 | 2015-06-26 | Polyarmide fiber composite material and preparation technology thereof |
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| CN201510361952.0A CN105017768A (en) | 2015-06-26 | 2015-06-26 | Polyarmide fiber composite material and preparation technology thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469318A (en) * | 2017-02-23 | 2018-08-31 | 华邦电子股份有限公司 | Pressure sensor and its manufacturing method |
| CN108641348A (en) * | 2018-05-21 | 2018-10-12 | 芜湖瑞德机械科技有限公司 | A kind of improved composition and preparation method thereof of heat resistanceheat resistant collapsed seal circle |
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| CN1663990A (en) * | 2005-03-11 | 2005-09-07 | 华东理工大学 | Chitosan/montmorillonite nano composite materials and method for preparing same |
| CN102002233A (en) * | 2010-11-12 | 2011-04-06 | 华东理工大学 | Mixture for preparing nylon nano composite material and preparation method of composite material |
| CN102276978A (en) * | 2011-06-28 | 2011-12-14 | 江苏金发科技新材料有限公司 | Lightweight noise-reducing modified nylon material and preparation method thereof |
| CN102732017A (en) * | 2012-06-15 | 2012-10-17 | 苏州宇度医疗器械有限责任公司 | Preparation method for nylon composite material filled with calcium sulfate whiskers |
| CN103827210A (en) * | 2011-09-21 | 2014-05-28 | 罗地亚运作公司 | Composition comprising polyamide 66 and a polyamide chosen from the group consisting of: polyamide 610, polyamide 1010 and polyamide 1012 |
-
2015
- 2015-06-26 CN CN201510361952.0A patent/CN105017768A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663990A (en) * | 2005-03-11 | 2005-09-07 | 华东理工大学 | Chitosan/montmorillonite nano composite materials and method for preparing same |
| CN102002233A (en) * | 2010-11-12 | 2011-04-06 | 华东理工大学 | Mixture for preparing nylon nano composite material and preparation method of composite material |
| CN102276978A (en) * | 2011-06-28 | 2011-12-14 | 江苏金发科技新材料有限公司 | Lightweight noise-reducing modified nylon material and preparation method thereof |
| CN103827210A (en) * | 2011-09-21 | 2014-05-28 | 罗地亚运作公司 | Composition comprising polyamide 66 and a polyamide chosen from the group consisting of: polyamide 610, polyamide 1010 and polyamide 1012 |
| CN102732017A (en) * | 2012-06-15 | 2012-10-17 | 苏州宇度医疗器械有限责任公司 | Preparation method for nylon composite material filled with calcium sulfate whiskers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469318A (en) * | 2017-02-23 | 2018-08-31 | 华邦电子股份有限公司 | Pressure sensor and its manufacturing method |
| CN108641348A (en) * | 2018-05-21 | 2018-10-12 | 芜湖瑞德机械科技有限公司 | A kind of improved composition and preparation method thereof of heat resistanceheat resistant collapsed seal circle |
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