CN103205120A - Method for preparing black antiflaming polyamide composite material with high toughness - Google Patents
Method for preparing black antiflaming polyamide composite material with high toughness Download PDFInfo
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- CN103205120A CN103205120A CN2013101317688A CN201310131768A CN103205120A CN 103205120 A CN103205120 A CN 103205120A CN 2013101317688 A CN2013101317688 A CN 2013101317688A CN 201310131768 A CN201310131768 A CN 201310131768A CN 103205120 A CN103205120 A CN 103205120A
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- black
- high toughness
- polyamide
- matrix material
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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
- B29C48/03—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
-
- 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
- B29C48/92—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
- 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
Abstract
The invention discloses a method for preparing a black antiflaming polyamide composite material with high toughness, and belongs to the technology field on preparation of high polymer materials. The method comprises the following steps of: mixing materials: feeding 20 to 26 parts of polyamide 66 resin, 3 to 7 parts of polyamide 1010 resin, 2 to 5 parts of polypropylene resin, 2.5 to 4 parts of toughening agent, 6 to 11 parts of flame retardant, 0.2 to 0.6 part of antioxidant, 7 to 14 parts of glass fiber and 1 to 2.1 parts of carbon black into a high-speed mixer and mixing for 8 minutes at a speed of 450n/min; pelletizing: introducing the mixture obtained in the first step into a parallel double-screw extruder so as to be fused and extruded; obtaining a finished product after being cut and being dried, wherein the temperatures of first region to the twelfth region of the screw rods of the parallel double-screw extruder are respectively that: 220 DEG C in the first region, 225 DEG C in the second region, 235 DEG C from the third region to the twelfth region. The black antiflaming polyamide composite material has the following performance indexes: tensile strength being 130 to 150MPa, bending strength being 230 to 260MPa, bending modulus being 4500 to 5000 MPa, impact strength on gap of a cantilever beam being 14 to 18kj/m<2>, and flame retardancy being V-0(UL-94-3.0mm).
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of high toughness black Flameproof polyamide matrix material.
Background technology
Polymeric amide is the most widely used engineering plastic materials of a class, is widely used in fields such as automobile, electrical equipment, building.Polymeric amide has excellent machinery, physicals, but along with the material environment of applications is complicated day by day, for the research of the extreme case person's that becomes the developing material research direction.In some field, the snappiness of polymeric amide is still lower, can not satisfy application requiring.Chinese patent CN101875778A discloses a kind of super tough polyamide material, this patent scheme is when increasing toughness, rigidity of material descends to some extent, this uses material is unsatisfactory, because in a lot of occasions, improve constantly its toughness under the prerequisite of material require maintenance rigidity, thereby met the materials used in auto manufacturing characteristics.
Summary of the invention
Task of the present invention is the preparation method that a kind of high toughness black Flameproof polyamide matrix material will be provided, and by the polyamide compoiste material that this method obtains, has the high and good characteristics of shock-resistance of intensity.
Task of the present invention is finished like this, a kind of preparation method of high toughness black Flameproof polyamide matrix material, the first step: batch mixing, with in 7 ~ 14 parts in 0.2 ~ 0.6 part in 6 ~ 11 parts of 2.5 ~ 4 parts of 2～5 parts of 3～7 parts of 20～26 parts of polyamide 66 resins, polyamide 1010 resins, acrylic resins, toughner, fire retardants, the oxidation inhibitor, the glass fibre that take by weighing by weight and 1 ~ 2.1 part of input high-speed mixer of carbon black and under the speed of 450n/min, mix 8min, obtain compound; Second step: granulate, to be introduced in the parallel twin screw extruder by the compound that the first step obtains and melt extrude, after pelletizing and drying, obtain high toughness black Flameproof polyamide matrix material, wherein: a district of the screw rod of parallel twin screw extruder to the temperature of No.12 District is respectively: 220 ℃ in a district, 225 ℃ in two districts, three districts to No.12 District respectively is 235 ℃.
In one embodiment of the invention, described polyamide 66 resin be fusing point more than 220 ℃, the limiting viscosity index is 2.3 polyamide resin.
In another embodiment of the present invention, described polyamide 1010 resin is that fusing point is at the polyamide resin more than 210 ℃.
In yet another embodiment of the present invention, described acrylic resin is Co-polypropylene, and molten finger is 2～3g/10min, 160 ℃ of fusing points.
In another embodiment of the present invention, described toughner is the styrene-butadiene-styrene multipolymer of hydrogenation.
Also have among the embodiment of the present invention, described fire retardant is two ethers of ten bromines.
More of the present invention and among embodiment, described oxidation inhibitor is thio-2 acid two (18) ester.
In of the present invention and then embodiment, described glass fibre is the alkali free glass fibre of length 12mm.
Of the present invention again more and among embodiment, described carbon black is furnace treated black.
The high-performance black flame-retardant polyamide material that the inventive method obtains has following performance index after tested: tensile strength 130～150MPa, flexural strength 230～260MPa, modulus in flexure 4500～5000MPa, socle girder notched Izod impact strength 14～18kj/m
2, flame retardant resistance reaches V-0 (UL-94-3.0mm).
Embodiment
Embodiment 1:
The first step: batch mixing, with the fusing point that takes by weighing by weight more than 220 ℃ and the limiting viscosity index be 20 parts of 2.3 polyamide resins, fusing point is 7 parts of the polyamide resins more than 210 ℃, molten finger is that melting index is that 2～3g/10min and fusing point are 160 ℃ 3 parts of Co-polypropylene, 4 parts of the styrene-butadiene-styrene multipolymers of hydrogenation, 8 parts of decabromodiphynly oxides, 0.2 part of thio-2 acid two (18) ester, length is 14 parts of the alkali free glass fibres of 12mm and by in 1 part of input high-speed mixer of carbon black of oven process production and mix 8min under the speed of 450n/min, obtains compound; Second step: granulate, to be introduced in the parallel twin screw extruder by the compound that the first step obtains and melt extrude, after pelletizing and drying, obtain high toughness black Flameproof polyamide matrix material, wherein: a district of the screw rod of parallel twin screw extruder to the temperature of No.12 District is controlled to be: 220 ℃ in a district, 225 ℃ in two districts, three districts to No.12 District is 235 ℃.
Embodiment 2:
The first step: batch mixing, with the fusing point that takes by weighing by weight more than 220 ℃ and the limiting viscosity index be 22 parts of 2.3 polyamide resins, fusing point is 3 parts of the polyamide resins more than 210 ℃, molten finger is that melting index is that 2～3g/10min and fusing point are 160 ℃ 2 parts of Co-polypropylene, 2.5 parts of the styrene-butadiene-styrene multipolymers of hydrogenation, 11 parts of decabromodiphynly oxides, 0.6 part of thio-2 acid two (18) ester, length is 7 parts of the alkali free glass fibres of 12mm and by in 2.1 parts of input high-speed mixers of carbon black of oven process production and mix 8min under the speed of 450n/min, obtains compound; Second step: granulate, to be introduced in the parallel twin screw extruder by the compound that the first step obtains and melt extrude, after pelletizing and drying, obtain high toughness black Flameproof polyamide matrix material, wherein: a district of the screw rod of parallel twin screw extruder to the temperature of No.12 District is controlled to be: 220 ℃ in a district, 225 ℃ in two districts, three districts to No.12 District is 235 ℃.
Embodiment 3:
The first step: batch mixing, with the fusing point that takes by weighing by weight more than 220 ℃ and the limiting viscosity index be 26 parts of 2.3 polyamide resins, fusing point is 6 parts of the polyamide resins more than 210 ℃, molten finger is that melting index is that 2～3g/10min and fusing point are 160 ℃ 5 parts of Co-polypropylene, 3 parts of the styrene-butadiene-styrene multipolymers of hydrogenation, 10 parts of decabromodiphynly oxides, 0.4 part of thio-2 acid two (18) ester, length is 10 parts of the alkali free glass fibres of 12mm and by in 1.5 parts of input high-speed mixers of carbon black of oven process production and mix 8min under the speed of 450n/min, obtains compound; Second step: granulate, to be introduced in the parallel twin screw extruder by the compound that the first step obtains and melt extrude, after pelletizing and drying, obtain high toughness black Flameproof polyamide matrix material, wherein: a district of the screw rod of parallel twin screw extruder to the temperature of No.12 District is controlled to be: 220 ℃ in a district, 225 ℃ in two districts, three districts to No.12 District is 235 ℃.
Embodiment 4:
The first step: batch mixing, with the fusing point that takes by weighing by weight more than 220 ℃ and the limiting viscosity index be 24 parts of 2.3 polyamide resins, fusing point is 5 parts of the polyamide resins more than 210 ℃, molten finger is that melting index is that 2～3g/10min and fusing point are 160 ℃ 4 parts of Co-polypropylene, 3.5 parts of the styrene-butadiene-styrene multipolymers of hydrogenation, 6 parts of decabromodiphynly oxides, 0.5 part of thio-2 acid two (18) ester, length is 12 parts of the alkali free glass fibres of 12mm and by in 1.8 parts of input high-speed mixers of carbon black of oven process production and mix 8min under the speed of 450n/min, obtains compound; Second step: granulate, to be introduced in the parallel twin screw extruder by the compound that the first step obtains and melt extrude, after pelletizing and drying, obtain high toughness black Flameproof polyamide matrix material, wherein: a district of the screw rod of parallel twin screw extruder to the temperature of No.12 District is controlled to be: 220 ℃ in a district, 225 ℃ in two districts, three districts to No.12 District is 235 ℃.
The high toughness black Flameproof polyamide matrix material 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 | 122 | 131 | 142 | 149 |
| Flexural strength MPa | 231 | 238 | 245 | 258 |
| Modulus in flexure MPa | 4550 | 4680 | 4820 | 4970 |
| Socle girder notched Izod impact strength kj/m 2 | 14.3 | 15．6 | 16.7 | 17.9 |
| Flame retardant resistance (UL-94-3.0mm) | V-0 | V-0 | V-0 | V-0 |
Claims (9)
1.
A kind of preparation method of high toughness black Flameproof polyamide matrix material, it is characterized in that the first step: batch mixing, with in 7 ~ 14 parts in 0.2 ~ 0.6 part in 6 ~ 11 parts of 2.5 ~ 4 parts of 2～5 parts of 3～7 parts of 20～26 parts of polyamide 66 resins, polyamide 1010 resins, acrylic resins, toughner, fire retardants, the oxidation inhibitor, the glass fibre that take by weighing by weight and 1 ~ 2.1 part of input high-speed mixer of carbon black and under the speed of 450n/min, mix 8min, obtain compound; Second step: granulate, to be introduced in the parallel twin screw extruder by the compound that the first step obtains and melt extrude, after pelletizing and drying, obtain high toughness black Flameproof polyamide matrix material, wherein: a district of the screw rod of parallel twin screw extruder to the temperature of No.12 District is respectively: 220 ℃ in a district, 225 ℃ in two districts, three districts to No.12 District respectively is 235 ℃.
2.
High toughness black Flameproof polyamide matrix material according to claim 1, it is characterized in that described polyamide 66 resin be fusing point more than 220 ℃, the limiting viscosity index is 2.3 polyamide resin.
3.
High toughness black Flameproof polyamide matrix material according to claim 1 is characterized in that described polyamide 1010 resin is that fusing point is at the polyamide resin more than 210 ℃.
4.
High toughness black Flameproof polyamide matrix material according to claim 1 is characterized in that described acrylic resin is Co-polypropylene, and molten finger is 2～3g/10min, 160 ℃ of fusing points.
5.
High toughness black Flameproof polyamide matrix material according to claim 1 is characterized in that described toughner is the styrene-butadiene-styrene multipolymer of hydrogenation.
6.
High toughness black Flameproof polyamide matrix material according to claim 1 is characterized in that described fire retardant is two ethers of ten bromines.
7.
High toughness black Flameproof polyamide matrix material according to claim 1 is characterized in that described oxidation inhibitor is thio-2 acid two (18) ester.
8.
High toughness black Flameproof polyamide matrix material according to claim 1 is characterized in that described glass fibre is the alkali free glass fibre of length 12mm.
9.
High toughness black Flameproof polyamide matrix material according to claim 1 is characterized in that described carbon black is furnace treated black
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101317688A CN103205120A (en) | 2013-04-16 | 2013-04-16 | Method for preparing black antiflaming polyamide composite material with high toughness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101317688A CN103205120A (en) | 2013-04-16 | 2013-04-16 | Method for preparing black antiflaming polyamide composite material with high toughness |
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| CN103205120A true CN103205120A (en) | 2013-07-17 |
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| CN2013101317688A Pending CN103205120A (en) | 2013-04-16 | 2013-04-16 | Method for preparing black antiflaming polyamide composite material with high toughness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401284A (en) * | 2018-09-26 | 2019-03-01 | 河南恒翔塑业科技有限公司 | A kind of wear-resisting LED cooling lamp holder and preparation method thereof |
Citations (4)
| 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 |
| CN101613505A (en) * | 2009-07-31 | 2009-12-30 | 广州市石磐石阻燃材料有限公司 | A kind of environment-friendly flame-proof polypropylene material of not separating out fire retardant and preparation method thereof |
| CN101955655A (en) * | 2010-09-09 | 2011-01-26 | 邵峰 | Nylon composition for labyrinth inner and outer sealing rings |
| CN102675866A (en) * | 2012-05-22 | 2012-09-19 | 苏州新区华士达工程塑胶有限公司 | Formula of enhanced flame retardant nylon 6 |
-
2013
- 2013-04-16 CN CN2013101317688A patent/CN103205120A/en active Pending
Patent Citations (4)
| 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 |
| CN101613505A (en) * | 2009-07-31 | 2009-12-30 | 广州市石磐石阻燃材料有限公司 | A kind of environment-friendly flame-proof polypropylene material of not separating out fire retardant and preparation method thereof |
| CN101955655A (en) * | 2010-09-09 | 2011-01-26 | 邵峰 | Nylon composition for labyrinth inner and outer sealing rings |
| CN102675866A (en) * | 2012-05-22 | 2012-09-19 | 苏州新区华士达工程塑胶有限公司 | Formula of enhanced flame retardant nylon 6 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401284A (en) * | 2018-09-26 | 2019-03-01 | 河南恒翔塑业科技有限公司 | A kind of wear-resisting LED cooling lamp holder and preparation method thereof |
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Application publication date: 20130717 |