CN103205116A - Preparation method of black high-strength polyamide material - Google Patents
Preparation method of black high-strength polyamide material Download PDFInfo
- Publication number
- CN103205116A CN103205116A CN2013101287254A CN201310128725A CN103205116A CN 103205116 A CN103205116 A CN 103205116A CN 2013101287254 A CN2013101287254 A CN 2013101287254A CN 201310128725 A CN201310128725 A CN 201310128725A CN 103205116 A CN103205116 A CN 103205116A
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- China
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- preparation
- polyamide material
- black
- polyamide
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Classifications
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- 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
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a preparation method of a black high-strength polyamide material, belonging to the technical field of the preparation of high polymer materials. The preparation method comprises the following steps of: mixing 34-39 parts of polyamide 66 resin, 12-15 parts of polyamide 6 resin, 3-6 parts of a toughening agent, 0.3-0.7 part of an antioxidant, 24-29 parts of a filler, 5-8 parts of glass beads, 21-31 parts of enhanced fiber and 2-3 parts of carbon black in a high-speed mixer, wherein the rotating speed is controlled to 520n/min; and leading the mixture into a parallel double-screw extruder for melt extrusion, and acquiring the black high-strength polyamide material after grain cutting, wherein the temperatures of screws of the double-screw extruder are as follows: the temperature of a first region is 215 DEG C, the temperature of a second region is 230 DEG C, the temperature of a third region is 240 DEG C, both the temperatures of a fourth region and a fifth region are 245 DEG C, and the temperature of a sixth region is 240 DEG C. The preparation method of the black high-strength polyamide material has the advantages of wide source and low price of raw materials and capability of meeting industrialized amplification production requirements; and the tensile strength is greater than 140-160MPa, the bending strength is greater than 230-250MPa, and the izod notched impact strength is greater than 9-13kj/m<2>.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of preparation method of black high-strength degree polyamide material.
Background technology
Polymeric amide is a kind of widely used engineering plastics, by its specific molecule structure, makes it have excellent physical and mechanical properties.Yet because polymeric amide amide containing polar group, thereby the water-intake rate height, thermal change type temperature is low, and not high the restriction widely of modulus and intensity used.Therefore, polyamide material is carried out modification, improve its intensity and modulus and paid close attention to by industry.Chinese patent CN1510084A discloses a kind of technical intelligence for preparing superpower nylon, and the expanding material of use band active reactive group increases the dispersion effect of final mixture, thus the enhancement of playing.But, the raw material sources rareness of this method, the scale operation inconvenience is necessary to be explored.
Summary of the invention
Task of the present invention is to provide a kind of preparation method of black high-strength degree polyamide material, and the raw materials used source of this method is wide, production is easy and can make the polyamide material that obtains possess excellent intensity.
Task of the present invention is finished like this, a kind of preparation method of black high-strength degree polyamide material, the preparation process of this method is: at first, to mix 15min in 21 ~ 31 parts of 5 ~ 8 parts of 24 ~ 29 parts of 0.3 ~ 0.7 part in 3 ~ 6 parts of 12～15 parts of 34～39 parts of polyamide 66 resins, polyamide 6 resins, toughner, oxidation inhibitor, fillers, the glass microballons, the fortifying fibres that take by weighing by weight and 2 ~ 3 parts of input high-speed mixers of carbon black, the rotating speed of high-speed mixer is controlled to be 520n/min, obtains compound; Then, to melt extrude in the parallel twin screw extruder of compound introducing, the extruder temperature of twin screw extruder is: 215 ℃ in a district, 230 ℃ in two districts, 240 ℃ in three districts, He Wu district, four districts are 240 ℃ in 245 ℃ and six districts, after pelletizing, obtain black high-strength degree polyamide material.
In one embodiment of the invention, described polyamide 66 resin be fusing point more than 225 ℃ and viscosity index be 2.4 polyamide 66 resin.
In another embodiment of the present invention, described polyamide 6 resin is the polycaprolactam polyimide resin, and fusing point is more than 210 ℃.
In yet another embodiment of the present invention, described toughner is the terpolymer EP rubber of maleic anhydride graft, and percentage of grafting is 0.8%.
In another embodiment of the present invention, described oxidation inhibitor is 2,2 methylene radical-two (4-methyl-6-tert butyl phenol).
Also have among the embodiment of the present invention, described filler is nano-calcium carbonate, and particle diameter is 60～150 nanometers.
More of the present invention and among embodiment, described glass microballon is hollow glass micropearl.
In of the present invention and then embodiment, described fortifying fibre is the alkali free glass fibre of length 6mm.
Of the present invention again more and among embodiment, described carbon black is thermally oxidized black.
One of advantage of the inventive method, raw material sources are extensive and cheap, can satisfy the industrial amplification production requirement; Two, the mechanical and physical performance excellence of the polyamide material that obtains, tensile strength are greater than 140～160MPa, flexural strength is greater than 230～250MPa, the socle girder notched Izod impact strength is greater than 9～13kj/m
2
Embodiment
Embodiment 1:
At first, with the fusing point that takes by weighing by weight more than 225 ℃ and viscosity index be 39 parts of 2.4 polyamide 66 resins, fusing point is 12 parts of the polycaprolactam polyimide resins more than 210 ℃, maleic anhydride graft and percentage of grafting be 4.5 parts of 0.8% terpolymer EP rubbers, 2,0.3 part of 2 methylene radical-two (4-methyl-6-tert butyl phenol), particle diameter is 29 parts of the nano-calcium carbonates of 60～150 nanometers, 5 parts of hollow glass micropearls, length is to mix 15min in 26 parts of the alkali free glass fibres of 6mm and 3 parts of input high-speed mixers of carbon black that channel process is produced under the speed of 520n/min, obtains compound; Then, to melt extrude in the parallel twin screw extruder of compound introducing, the extruder temperature of twin screw extruder is: 215 ℃ in a district, 230 ℃ in two districts, 240 ℃ in three districts, He Wu district, four districts are 240 ℃ in 245 ℃ and six districts, after pelletizing, obtain black high-strength degree polyamide material.
Embodiment 2:
At first, with the fusing point that takes by weighing by weight more than 225 ℃ and viscosity index be 34 parts of 2.4 polyamide 66 resins, fusing point is 13 parts of the polycaprolactam polyimide resins more than 210 ℃, maleic anhydride graft and percentage of grafting be 3 parts of 0.8% terpolymer EP rubbers, 2,0.7 part of 2 methylene radical-two (4-methyl-6-tert butyl phenol), particle diameter is 24 parts of the nano-calcium carbonates of 60～150 nanometers, 8 parts of hollow glass micropearls, length is to mix 15min in 31 parts of the alkali free glass fibres of 6mm and 2 parts of input high-speed mixers of carbon black that channel process is produced under the speed of 520n/min, obtains compound; Then, to melt extrude in the parallel twin screw extruder of compound introducing, the extruder temperature of twin screw extruder is: 215 ℃ in a district, 230 ℃ in two districts, 240 ℃ in three districts, He Wu district, four districts are 240 ℃ in 245 ℃ and six districts, after pelletizing, obtain black high-strength degree polyamide material.
Embodiment 3:
At first, with the fusing point that takes by weighing by weight more than 225 ℃ and viscosity index be 38 parts of 2.4 polyamide 66 resins, fusing point is 15 parts of the polycaprolactam polyimide resins more than 210 ℃, maleic anhydride graft and percentage of grafting be 6 parts of 0.8% terpolymer EP rubbers, 2,0.6 part of 2 methylene radical-two (4-methyl-6-tert butyl phenol), particle diameter is 28 parts of the nano-calcium carbonates of 60～150 nanometers, 6 parts of hollow glass micropearls, length is to mix 15min in 21 parts of the alkali free glass fibres of 6mm and 2.4 parts of input high-speed mixers of carbon black that channel process is produced under the speed of 520n/min, obtains compound; Then, to melt extrude in the parallel twin screw extruder of compound introducing, the extruder temperature of twin screw extruder is: 215 ℃ in a district, 230 ℃ in two districts, 240 ℃ in three districts, He Wu district, four districts are 240 ℃ in 245 ℃ and six districts, after pelletizing, obtain black high-strength degree polyamide material.
Embodiment 4:
At first, with the fusing point that takes by weighing by weight more than 225 ℃ and viscosity index be 36 parts of 2.4 polyamide 66 resins, fusing point is 14 parts of the polycaprolactam polyimide resins more than 210 ℃, maleic anhydride graft and percentage of grafting be 5 parts of 0.8% terpolymer EP rubbers, 2,0.5 part of 2 methylene radical-two (4-methyl-6-tert butyl phenol), particle diameter is 26 parts of the nano-calcium carbonates of 60～150 nanometers, 7 parts of hollow glass micropearls, length is to mix 15min in 28 parts of the alkali free glass fibres of 6mm and 2.8 parts of input high-speed mixers of carbon black that channel process is produced under the speed of 520n/min, obtains compound; Then, to melt extrude in the parallel twin screw extruder of compound introducing, the extruder temperature of twin screw extruder is: 215 ℃ in a district, 230 ℃ in two districts, 240 ℃ in three districts, He Wu district, four districts are 240 ℃ in 245 ℃ and six districts, after pelletizing, obtain black high-strength degree polyamide material.
The high strength polyamide material of the black that is obtained by above-described embodiment 1 to 4 has following technique effect after tested:
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength MPa | 140 | 145 | 153 | 159 |
| Flexural strength MPa | 230.2 | 236.4 | 242.7 | 249.6 |
| Socle girder notched Izod impact strength kj/m 2 | 9.2 | 10.1 | 11.7 | 12.8 |
Claims (9)
1.
A kind of preparation method of black high-strength degree polyamide material, the preparation process that it is characterized in that this method is: at first, to mix 15min in 21 ~ 31 parts of 5 ~ 8 parts of 24 ~ 29 parts of 0.3 ~ 0.7 part in 3 ~ 6 parts of 12～15 parts of 34～39 parts of polyamide 66 resins, polyamide 6 resins, toughner, oxidation inhibitor, fillers, the glass microballons, the fortifying fibres that take by weighing by weight and 2 ~ 3 parts of input high-speed mixers of carbon black, the rotating speed of high-speed mixer is controlled to be 520n/min, obtains compound; Then, to melt extrude in the parallel twin screw extruder of compound introducing, the extruder temperature of twin screw extruder is: 215 ℃ in a district, 230 ℃ in two districts, 240 ℃ in three districts, He Wu district, four districts are 240 ℃ in 245 ℃ and six districts, after pelletizing, obtain black high-strength degree polyamide material.
2.
The preparation method of black high-strength degree polyamide material according to claim 1, it is characterized in that described polyamide 66 resin be fusing point more than 225 ℃ and viscosity index be 2.4 polyamide 66 resin.
3.
The preparation method of black high-strength degree polyamide material according to claim 1 is characterized in that described polyamide 6 resin is the polycaprolactam polyimide resin, and fusing point is more than 210 ℃.
4.
The preparation method of black high-strength degree polyamide material according to claim 1 is characterized in that described toughner is the terpolymer EP rubber of maleic anhydride graft, and percentage of grafting is 0.8%.
5.
The preparation method of black high-strength degree polyamide material according to claim 1 is characterized in that described oxidation inhibitor is 2,2 methylene radical-two (4-methyl-6-tert butyl phenol).
6.
The preparation method of black high-strength degree polyamide material according to claim 1 is characterized in that described filler is nano-calcium carbonate, and particle diameter is 60～150 nanometers.
7.
The preparation method of black high-strength degree polyamide material according to claim 1 is characterized in that described glass microballon is hollow glass micropearl.
8.
The preparation method of black high-strength degree polyamide material according to claim 1 is characterized in that described fortifying fibre is the alkali free glass fibre of length 6mm.
9.
The preparation method of black high-strength degree polyamide material according to claim 1 is characterized in that described carbon black is thermally oxidized black
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101287254A CN103205116A (en) | 2013-04-15 | 2013-04-15 | Preparation method of black high-strength polyamide material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101287254A CN103205116A (en) | 2013-04-15 | 2013-04-15 | Preparation method of black high-strength polyamide material |
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| CN103205116A true CN103205116A (en) | 2013-07-17 |
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| CN2013101287254A Pending CN103205116A (en) | 2013-04-15 | 2013-04-15 | Preparation method of black high-strength polyamide material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104987706A (en) * | 2015-07-29 | 2015-10-21 | 苏州新区华士达工程塑胶有限公司 | Soundproof and noise-reduction car plastic |
| CN105273398A (en) * | 2014-06-20 | 2016-01-27 | 瑞安市君诚塑胶制造有限公司 | Environmental-friendly engineering plastic particle formula, and processing method |
| CN110028786A (en) * | 2019-04-29 | 2019-07-19 | 深圳市兴盛迪新材料有限公司 | A kind of yacht stern tube bearing 6 material of modified polyamide 6 and preparation method thereof |
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| CN1569931A (en) * | 2004-04-26 | 2005-01-26 | 东莞市正昱塑胶五金有限公司 | Fiber reinforced thermolplastic plastic preparation method |
| CN102010593A (en) * | 2010-12-23 | 2011-04-13 | 南京聚隆科技股份有限公司 | Mineral and long glass fiber reinforced nylon 6 composite material and preparation method thereof |
| 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 |
| CN102585491A (en) * | 2012-01-09 | 2012-07-18 | 金发科技股份有限公司 | Reinforced polyamide composition with high liquidity and low warpage and preparation method and application thereof |
| CN102993686A (en) * | 2012-09-29 | 2013-03-27 | 天津金发新材料有限公司 | Polyamide composition, and preparation method and application thereof |
-
2013
- 2013-04-15 CN CN2013101287254A patent/CN103205116A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569931A (en) * | 2004-04-26 | 2005-01-26 | 东莞市正昱塑胶五金有限公司 | Fiber reinforced thermolplastic plastic preparation method |
| CN102010593A (en) * | 2010-12-23 | 2011-04-13 | 南京聚隆科技股份有限公司 | Mineral and long glass fiber reinforced nylon 6 composite material and preparation method thereof |
| 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 |
| CN102585491A (en) * | 2012-01-09 | 2012-07-18 | 金发科技股份有限公司 | Reinforced polyamide composition with high liquidity and low warpage and preparation method and application thereof |
| CN102993686A (en) * | 2012-09-29 | 2013-03-27 | 天津金发新材料有限公司 | Polyamide composition, and preparation method and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105273398A (en) * | 2014-06-20 | 2016-01-27 | 瑞安市君诚塑胶制造有限公司 | Environmental-friendly engineering plastic particle formula, and processing method |
| CN104987706A (en) * | 2015-07-29 | 2015-10-21 | 苏州新区华士达工程塑胶有限公司 | Soundproof and noise-reduction car plastic |
| CN110028786A (en) * | 2019-04-29 | 2019-07-19 | 深圳市兴盛迪新材料有限公司 | A kind of yacht stern tube bearing 6 material of modified polyamide 6 and preparation method thereof |
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Application publication date: 20130717 |