CN103242654A - Preparation method of styrene-acrylonitrile copolymer modified polyamide composite material - Google Patents
Preparation method of styrene-acrylonitrile copolymer modified polyamide composite material Download PDFInfo
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- CN103242654A CN103242654A CN201310157286XA CN201310157286A CN103242654A CN 103242654 A CN103242654 A CN 103242654A CN 201310157286X A CN201310157286X A CN 201310157286XA CN 201310157286 A CN201310157286 A CN 201310157286A CN 103242654 A CN103242654 A CN 103242654A
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- styrene
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- acrylonitrile copolymer
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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
- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to a preparation method of a styrene-acrylonitrile copolymer modified polyamide composite material, and belongs to the technical field of preparation of high molecular materials. The preparation method comprises the following steps of: inputting 75-83 parts of polyamide 66 resin, 12-18 parts of polyamide 1212 resin, 15-22 parts of a styrene-acrylonitrile copolymer, 5-8 parts of a flexibilizer, 23-32 parts of a flame retardant, 0.7-1.2 parts of antioxygen and 1.8-2.6 parts of carbon black into a high speed mixer to mix; and then, transferring mixed materials to a parallel twin-screw extruder to be melted and extruded, and prilling to obtain a finished product, wherein the temperatures of the screw of the parallel twin-screw extruder from zone 1 to zone 10 are respectively controlled at 220 DEG C, 225 DEG C, 235 DEG C, 235 DEG C, 240 DEG C, 240 DEG C, 245 DEG C, 245 DEG C, 250 DEG C and 255 DEG C. The tensile strength is 110-134MPa, the bending strength is 190-220MPa, the notch impact strength of a cantilever beam is 9.5-12.5kj/m<2>, and the flame retardance reaches V-0(UL-94-3.0mm). The composition material soaked in vegetal oil for 12 hours is free from cracks.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of preparation method of polyamide compoiste material of styrene-acrylonitrile copolymer modification.
Background technology
Styrene-acrylonitrile copolymer is a kind of excellent engineering material, and it has high tenacity, high heat resistance, chemical resistant properties etc.Polymeric amide is very important engineering plastics of a class, is widely used in fields such as automobile, building, electronics.Therefore shortcomings such as but polymeric amide has the water-intake rate height, and high-temperature capability is low, necessaryly carry out modification to polymeric amide.As among the Chinese patent CN101875778A polymeric amide being carried out the toughness modification, use composite toughner to carry out, but the not resistance to chemical attack of toughner of selecting for use, in the chemical solvents environment, cause cracking easily, therefore still have further improved necessity, in order to satisfy the harsh service requirements in aforementioned field.
Summary of the invention
Task of the present invention is the preparation method that a kind of polyamide compoiste material of styrene-acrylonitrile copolymer modification will be provided, and the polyamide compoiste material that is prepared by this method has excellent intensity, desirable anti-solvent and the flame retardant effect of standing out from one's fellows.
Task of the present invention is finished like this, a kind of preparation method of polyamide compoiste material of styrene-acrylonitrile copolymer modification, it is in 0.7 ~ 1.2 part in 75～83 parts of polyamide 66 resins, 12～18 parts of polymeric amide 1212 resins, 15～22 parts of styrene-acrylonitrile copolymers, 5 ~ 8 parts of toughner, 23 ~ 32 parts of fire retardants, the oxidation inhibitor that will take by weighing by weight earlier and 1.8 ~ 2.6 parts of input high-speed mixers of carbon black and at rotating speed to be to mix 8.5min under the 520n/min, obtains compound; Again described compound is changed in the parallel twin screw extruder and melt extrude, obtain the polyamide compoiste material of styrene-acrylonitrile copolymer modification after granulation, wherein: extruder temperature Zi Yi district to ten district of described parallel twin screw extruder is controlled to be respectively: 220 ℃ of district's temperature, 225 ℃ of two district's temperature, 235 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 250 ℃ of nine district's temperature, 255 ℃ of ten district's temperature.
In one embodiment of the invention, described polyamide 66 resin be fusing point more than 230 ℃, the limiting viscosity index is 2.4 polyamide 66 resin.
In another embodiment of the present invention, described polymeric amide 1212 resins are that fusing point is at polymeric amide 1212 resins more than 210 ℃.
In yet another embodiment of the present invention, described styrene-acrylonitrile copolymer is that styrene content is 70% styrene-acrylonitrile copolymer.
In another embodiment of the present invention, described toughner is the styrene-acrylonitrile copolymer of maleic anhydride graft.
Also have among the embodiment of the present invention, described fire retardant is hypo-aluminum orthophosphate.
More of the present invention and among embodiment, described oxidation inhibitor is tricresyl phosphite (24-di-tert-butyl-phenyl) ester.
In of the present invention and then embodiment, described carbon black is furnace treated black.
The polyamide compoiste material of the styrene-acrylonitrile copolymer modification of the inventive method preparation has following performance index after tested: tensile strength 110～134MPa, flexural strength 190～220MPa, socle girder notched Izod impact strength 9.5～12.5kj/m
2, flame retardant resistance reaches V-0 (UL-94-3.0mm), soaks 12 hours in vegetables oil, does not have cracking.
Embodiment
Embodiment 1:
Earlier the fusing point that will take by weighing by weight more than 230 ℃ and the limiting viscosity index be 2.4 83 parts of polyamide 66 resins, fusing point at 12 parts of polymeric amide 1212 resins more than 210 ℃, cinnamic quality % content be 70% 20 parts of styrene-acrylonitrile copolymers, by 2 parts of input high-speed mixers of carbon black of 1 part of 23 parts of 5 parts of styrene-acrylonitrile copolymers, hypo-aluminum orthophosphates, tricresyl phosphite (24-di-tert-butyl-phenyl) ester of maleic anhydride graft and oven process production in and be to mix 8.5min under the 520n/min at rotating speed, obtain compound; Again described compound is changed in the parallel twin screw extruder and melt extrude, obtain the polyamide compoiste material of styrene-acrylonitrile copolymer modification after granulation, wherein: extruder temperature Zi Yi district to ten district of described parallel twin screw extruder is controlled to be respectively: 220 ℃ of district's temperature, 225 ℃ of two district's temperature, 235 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 250 ℃ of nine district's temperature, 255 ℃ of ten district's temperature.
Embodiment 2:
Earlier the fusing point that will take by weighing by weight more than 230 ℃ and the limiting viscosity index be 2.4 75 parts of polyamide 66 resins, fusing point at 16 parts of polymeric amide 1212 resins more than 210 ℃, cinnamic quality % content be 70% 17 parts of styrene-acrylonitrile copolymers, by 1.8 parts of input high-speed mixers of carbon black of 1.2 parts of 32 parts of 6 parts of styrene-acrylonitrile copolymers, hypo-aluminum orthophosphates, tricresyl phosphite (24-di-tert-butyl-phenyl) esters of maleic anhydride graft and oven process production in and be to mix 8.5min under the 520n/min at rotating speed, obtain compound; Again described compound is changed in the parallel twin screw extruder and melt extrude, obtain the polyamide compoiste material of styrene-acrylonitrile copolymer modification after granulation, wherein: extruder temperature Zi Yi district to ten district of described parallel twin screw extruder is controlled to be respectively: 220 ℃ of district's temperature, 225 ℃ of two district's temperature, 235 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 250 ℃ of nine district's temperature, 255 ℃ of ten district's temperature.
Embodiment 3:
Earlier the fusing point that will take by weighing by weight more than 230 ℃ and the limiting viscosity index be 2.4 78 parts of polyamide 66 resins, fusing point at 14 parts of polymeric amide 1212 resins more than 210 ℃, cinnamic quality % content be 70% 15 parts of styrene-acrylonitrile copolymers, by 2.3 parts of input high-speed mixers of carbon black of 0.9 part of 28 parts of 8 parts of styrene-acrylonitrile copolymers, hypo-aluminum orthophosphates, tricresyl phosphite (24-di-tert-butyl-phenyl) ester of maleic anhydride graft and oven process production in and be to mix 8.5min under the 520n/min at rotating speed, obtain compound; Again described compound is changed in the parallel twin screw extruder and melt extrude, obtain the polyamide compoiste material of styrene-acrylonitrile copolymer modification after granulation, wherein: extruder temperature Zi Yi district to ten district of described parallel twin screw extruder is controlled to be respectively: 220 ℃ of district's temperature, 225 ℃ of two district's temperature, 235 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 250 ℃ of nine district's temperature, 255 ℃ of ten district's temperature.
Embodiment 4:
Earlier the fusing point that will take by weighing by weight more than 230 ℃ and the limiting viscosity index be 2.4 70 parts of polyamide 66 resins, fusing point at 18 parts of polymeric amide 1212 resins more than 210 ℃, cinnamic quality % content be 70% 22 parts of styrene-acrylonitrile copolymers, by 2.6 parts of input high-speed mixers of carbon black of 0.7 part of 25 parts of 7 parts of styrene-acrylonitrile copolymers, hypo-aluminum orthophosphates, tricresyl phosphite (24-di-tert-butyl-phenyl) ester of maleic anhydride graft and oven process production in and be to mix 8.5min under the 520n/min at rotating speed, obtain compound; Again described compound is changed in the parallel twin screw extruder and melt extrude, obtain the polyamide compoiste material of styrene-acrylonitrile copolymer modification after granulation, wherein: extruder temperature Zi Yi district to ten district of described parallel twin screw extruder is controlled to be respectively: 220 ℃ of district's temperature, 225 ℃ of two district's temperature, 235 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 250 ℃ of nine district's temperature, 255 ℃ of ten district's temperature.
The polyamide compoiste material of the styrene-acrylonitrile copolymer modification 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 | 110 | 117 | 125 | 133 |
| Flexural strength MPa | 191 | 202 | 209 | 218 |
| Socle girder notched Izod impact strength kj/m 2 | 9.6 | 10．3 | 11.3 | 12.4 |
| Flame retardant resistance (UL-94-3.0mm) | V-0 | V-0 | V-0 | V-0 |
| Vegetables oil soaked 12 hours | Do not ftracture | Do not ftracture | Do not ftracture | Do not ftracture |
Claims (8)
1.
A kind of preparation method of polyamide compoiste material of styrene-acrylonitrile copolymer modification, it is characterized in that it is in 0.7 ~ 1.2 part in 75～83 parts of polyamide 66 resins, 12～18 parts of polymeric amide 1212 resins, 15～22 parts of styrene-acrylonitrile copolymers, 5 ~ 8 parts of toughner, 23 ~ 32 parts of fire retardants, the oxidation inhibitor that will take by weighing by weight earlier and 1.8 ~ 2.6 parts of input high-speed mixers of carbon black and at rotating speed is to mix 8.5min under the 520n/min, obtains compound; Again described compound is changed in the parallel twin screw extruder and melt extrude, obtain the polyamide compoiste material of styrene-acrylonitrile copolymer modification after granulation, wherein: extruder temperature Zi Yi district to ten district of described parallel twin screw extruder is controlled to be respectively: 220 ℃ of district's temperature, 225 ℃ of two district's temperature, 235 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 250 ℃ of nine district's temperature, 255 ℃ of ten district's temperature.
2.
The preparation method of the polyamide compoiste material of styrene-acrylonitrile copolymer modification according to claim 1, it is characterized in that described polyamide 66 resin be fusing point more than 230 ℃, the limiting viscosity index is 2.4 polyamide 66 resin.
3.
The preparation method of the polyamide compoiste material of styrene-acrylonitrile copolymer modification according to claim 1 is characterized in that described polymeric amide 1212 resins are that fusing point is at polymeric amide 1212 resins more than 210 ℃.
4.
The preparation method of the polyamide compoiste material of styrene-acrylonitrile copolymer modification according to claim 1 is characterized in that described styrene-acrylonitrile copolymer is that styrene content is 70% styrene-acrylonitrile copolymer.
5.
The preparation method of the polyamide compoiste material of styrene-acrylonitrile copolymer modification according to claim 1 is characterized in that described toughner is the styrene-acrylonitrile copolymer of maleic anhydride graft.
6.
The preparation method of the polyamide compoiste material of styrene-acrylonitrile copolymer modification according to claim 1 is characterized in that described fire retardant is hypo-aluminum orthophosphate.
7.
The preparation method of the polyamide compoiste material of styrene-acrylonitrile copolymer modification according to claim 1 is characterized in that described oxidation inhibitor is tricresyl phosphite (24-di-tert-butyl-phenyl) ester.
8.
The preparation method of the polyamide compoiste material of styrene-acrylonitrile copolymer modification according to claim 1 is characterized in that described carbon black is furnace treated black
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310157286XA CN103242654A (en) | 2013-04-28 | 2013-04-28 | Preparation method of styrene-acrylonitrile copolymer modified polyamide composite material |
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| CN201310157286XA CN103242654A (en) | 2013-04-28 | 2013-04-28 | Preparation method of styrene-acrylonitrile copolymer modified polyamide composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968800A (en) * | 2016-07-26 | 2016-09-28 | 潘明华 | Reinforced antistatic nylon composite and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040236030A1 (en) * | 2003-05-13 | 2004-11-25 | Taylor Made Golf Company, Inc. | Amine-modified ionomer resin |
| CN101407630A (en) * | 2008-11-21 | 2009-04-15 | 上海锦湖日丽塑料有限公司 | PA / ASA alloy material and preparation thereof |
| CN101550271A (en) * | 2008-04-03 | 2009-10-07 | 惠州市华聚塑化科技有限公司 | Super toughness nylon resin and method for preparing same |
| CN101787204A (en) * | 2009-11-09 | 2010-07-28 | 上海锦湖日丽塑料有限公司 | Low water absorption polyamide composite and preparation method thereof |
-
2013
- 2013-04-28 CN CN201310157286XA patent/CN103242654A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040236030A1 (en) * | 2003-05-13 | 2004-11-25 | Taylor Made Golf Company, Inc. | Amine-modified ionomer resin |
| CN101550271A (en) * | 2008-04-03 | 2009-10-07 | 惠州市华聚塑化科技有限公司 | Super toughness nylon resin and method for preparing same |
| CN101407630A (en) * | 2008-11-21 | 2009-04-15 | 上海锦湖日丽塑料有限公司 | PA / ASA alloy material and preparation thereof |
| CN101787204A (en) * | 2009-11-09 | 2010-07-28 | 上海锦湖日丽塑料有限公司 | Low water absorption polyamide composite and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968800A (en) * | 2016-07-26 | 2016-09-28 | 潘明华 | Reinforced antistatic nylon composite and preparation method thereof |
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Application publication date: 20130814 |