CN102643539A - Method for preparing antibacterial flame retardant nylon composite material - Google Patents
Method for preparing antibacterial flame retardant nylon composite material Download PDFInfo
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- CN102643539A CN102643539A CN2012101286416A CN201210128641A CN102643539A CN 102643539 A CN102643539 A CN 102643539A CN 2012101286416 A CN2012101286416 A CN 2012101286416A CN 201210128641 A CN201210128641 A CN 201210128641A CN 102643539 A CN102643539 A CN 102643539A
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- China
- Prior art keywords
- retardant nylon
- preparation
- matrix material
- parts
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A method for preparing an antibacterial flame retardant nylon composite material belongs to the technical field of high molecular material preparation. The method includes the following steps of weighing and obtaining materials of, by weight, 20-26 parts of nylon 610 resins, 25-32 parts of nylon 6 resins, 0.5-1.1 parts of coupling agents, 10-20 parts of fillers and 5-10 parts of flame retardants, throwing and mixing the materials in a high-speed mixer, then throwing materials of o.7-1.5 parts of antibacterial agents, 0.2-0.7 part of antioxidants, 23-28 parts of chopped glass fibers and 0.2-0.6 part of surface modifiers which are weighed and obtained by weight, continuing mixing to obtain raw materials for granulation, throwing the raw materials for the granulation in a double-screw extruder to be subjected to melt extrusion, and controlling the temperatures of first to sixth areas of the double-screw extruder to obtain the antibacterial flame retardant nylon composite material. The antibacterial flame retardant nylon composite material has the advantages that the tensile strength is larger than 125MPa, the flexural strength is larger than 210MPa, the izod notched impact strength is larger than 23kj per square meter, the melt index is larger than 22g/10min, the flame retardance reaches to V-0 (UL-94-3mm), and the antibacterial flame retardant nylon composite material can resist bacteria erosion.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of preparation method of antibiotic fire-retardant nylon matrix material.
Background technology
Such as industry the reason of knowledge, when nylon products is used in the dark wet environment, go mouldy easily, thereby influence the outward appearance of goods.And work as nylon products and make thinly more, then flame retardant properties is more fragile.Therefore explore nylon composite materials that the reasonable method preparation not only had the ideal antibacterial effect but also had an excellent flame-retardant and have reality and long-range positive effect, the technical scheme that will introduce below produces under this background.
Summary of the invention
Task of the present invention is to provide a kind of preparation method of antibiotic fire-retardant nylon matrix material, and the nylon composite materials that is obtained by this method had both had the ideal mechanical property, had good antibacterial property again, also had ultimate attainment flame retardant resistance.
Task of the present invention is accomplished like this, and a kind of preparation method of antibiotic fire-retardant nylon matrix material may further comprise the steps:
A) raw material is used in the preparation granulation; Take by weighing NYLON610 resin 20-26 part, Nylon 6 25-32 part, coupling agent 0.5-1.1 part, filler 10-20 part and fire retardant 5-10 part by weight; And mix in the input high-speed mixer; Then drop into antiseptic-germicide 0.7-1.5 part, oxidation inhibitor 0.2-0.7 part, short glass fiber 23-28 part and the surface-modifying agent 0.2-0.6 part that takes by weighing by weight, and continue to mix, obtain granulation and use raw material;
B) granulation will be by steps A) granulation that obtains drops in the twin screw extruder with raw material and melt extrudes, and the temperature distinguished of a district to six of control twin screw extruder, obtains antibiotic fire-retardant nylon matrix material.
In a concrete embodiment of the present invention, described NYLON610 resin is a fusing point at 230 ℃ resin; Described Nylon 6 is a fusing point at 220 ℃ resin.
In another concrete embodiment of the present invention, described coupling agent is an aminopropyl trimethoxysilane; Described filler is a hydrogen-oxygen flower aluminium.
In another concrete embodiment of the present invention, described fire retardant is a tetrabromo-bisphenol.
In another concrete embodiment of the present invention, described antiseptic-germicide is a pyridine zinc sulfate.
Also have among the concrete embodiment of the present invention, described oxidation inhibitor is two (2,4 di-tert-butyl-phenyl) pentaerythritol diphosphites.
more of the present invention and among concrete embodiment, described short glass fiber is the alkali-free short glass fiber of length 3mm.
In of the present invention and then concrete embodiment, described surface-modifying agent is the Stearinsaeure acid amides.
Of the present invention again more and among concrete embodiment, the described blended time is 7-9min; The described continuation blended time is 3-5min.
In again of the present invention and then concrete embodiment, the temperature in a district to six of described control twin screw extruder district is that temperature is controlled to be: 245 ℃ in 240 ℃ in a district, 245 ℃ in two districts, 245 ℃ in three districts, 250 ℃ in four districts, 250 ℃ in five districts and six districts.
The antibiotic fire-retardant nylon matrix material that the inventive method obtains has following performance index through test: tensile strength is greater than 125MPa, and flexural strength is greater than 210MPa, and the socle girder notched Izod impact strength is greater than 23kj/m
2, melting index is greater than 22g/10min, and flame retardant resistance reaches V-0 (UL-94-3mm), and bacterium corrodes in opposing.
Embodiment
Embodiment 1:
A) raw material is used in the preparation granulation; Taking by weighing fusing point by weight is that 20.2 parts of NYLON610 resins, fusing point are that 25.3 parts of Nylon 6s, coupling agent are that 0.5 part of aminopropyl trimethoxysilane, filler are that 10.2 parts in white lake and fire retardant are 5.2 parts of tetrabromo-bisphenols at 220 ℃ resin at 230 ℃ resin; And mix 8min in the input high-speed mixer; Then dropping into the antiseptic-germicide that takes by weighing by weight is that 0.7 part in pyridine zinc sulfate, oxygen agent are two (2; 4 di-tert-butyl-phenyls) 0.2 part of pentaerythritol diphosphites, length are that 23.3 parts of alkali-free short glass fibers and the surface-modifying agent of 3mm are 0.2 part of Stearinsaeure acid amides; And continue to mix 4min, obtain granulation and use raw material;
B) granulation; Will be by steps A) granulation that obtains drops in the twin screw extruder with raw material and melt extrudes; The temperature Zi Yi district to six of twin screw extruder district is controlled to be: 245 ℃ in 240 ℃ in a district, 245 ℃ in two districts, 245 ℃ in three districts, 250 ℃ in four districts, 250 ℃ in five districts and six districts obtain antibiotic fire-retardant nylon matrix material.
Embodiment 2:
A) raw material is used in the preparation granulation; Taking by weighing fusing point by weight is that 22.6 parts of NYLON610 resins, fusing point are that 27.8 parts of Nylon 6s, coupling agent are that 0.7 part of aminopropyl trimethoxysilane, filler are that 13.3 parts in white lake and fire retardant are 7.3 parts of tetrabromo-bisphenols at 220 ℃ resin at 230 ℃ resin; And mix 7min in the input high-speed mixer; Then dropping into the antiseptic-germicide that takes by weighing by weight is that 0.9 part in pyridine zinc sulfate, oxygen agent are two (2; 4 di-tert-butyl-phenyls) 0.4 part of pentaerythritol diphosphites, length are that 25 parts of alkali-free short glass fibers and the surface-modifying agent of 3mm are 0.4 part of Stearinsaeure acid amides; And continue to mix 3min, obtain granulation and use raw material;
B) granulation; Will be by steps A) granulation that obtains drops in the twin screw extruder with raw material and melt extrudes; The temperature Zi Yi district to six of twin screw extruder district is controlled to be: 245 ℃ in 240 ℃ in a district, 245 ℃ in two districts, 245 ℃ in three districts, 250 ℃ in four districts, 250 ℃ in five districts and six districts obtain antibiotic fire-retardant nylon matrix material.
Embodiment 3:
A) raw material is used in the preparation granulation; Taking by weighing fusing point by weight is that 24.8 parts of NYLON610 resins, fusing point are that 29.7 parts of Nylon 6s, coupling agent are that 0.9 part of aminopropyl trimethoxysilane, filler are that 18.4 parts in white lake and fire retardant are 8.9 parts of tetrabromo-bisphenols at 220 ℃ resin at 230 ℃ resin; And mix 9min in the input high-speed mixer; Then dropping into the antiseptic-germicide that takes by weighing by weight is that 1.3 parts in pyridine zinc sulfate, oxygen agent are two (2; 4 di-tert-butyl-phenyls) 0.5 part of pentaerythritol diphosphites, length are that 26.5 parts of alkali-free short glass fibers and the surface-modifying agent of 3mm are 0.5 part of Stearinsaeure acid amides; And continue to mix 5min, obtain granulation and use raw material;
B) granulation; Will be by steps A) granulation that obtains drops in the twin screw extruder with raw material and melt extrudes; The temperature Zi Yi district to six of twin screw extruder district is controlled to be: 245 ℃ in 240 ℃ in a district, 245 ℃ in two districts, 245 ℃ in three districts, 250 ℃ in four districts, 250 ℃ in five districts and six districts obtain antibiotic fire-retardant nylon matrix material.
Embodiment 4:
A) raw material is used in the preparation granulation; Taking by weighing fusing point by weight is that 25.9 parts of NYLON610 resins, fusing point are that 31.8 parts of Nylon 6s, coupling agent are that 1.1 parts of aminopropyl trimethoxysilane, filler are that 20 parts in white lake and fire retardant are 9.8 parts of tetrabromo-bisphenols at 220 ℃ resin at 230 ℃ resin; And mix 7.5min in the input high-speed mixer; Then dropping into the antiseptic-germicide that takes by weighing by weight is that 1.5 parts in pyridine zinc sulfate, oxygen agent are two (2; 4 di-tert-butyl-phenyls) 0.7 part of pentaerythritol diphosphites, length are that 27.6 parts of alkali-free short glass fibers and the surface-modifying agent of 3mm are 0.6 part of Stearinsaeure acid amides; And continue to mix 4.5min, obtain granulation and use raw material;
B) granulation; Will be by steps A) granulation that obtains drops in the twin screw extruder with raw material and melt extrudes; The temperature Zi Yi district to six of twin screw extruder district is controlled to be: 245 ℃ in 240 ℃ in a district, 245 ℃ in two districts, 245 ℃ in three districts, 250 ℃ in four districts, 250 ℃ in five districts and six districts obtain antibiotic fire-retardant nylon matrix material.
The antibiotic fire-retardant nylon matrix material that is obtained by the foregoing description 1 to 4 has the technique effect shown in the following table through test.
Claims (10)
1.
A kind of preparation method of antibiotic fire-retardant nylon matrix material is characterized in that may further comprise the steps:
A) raw material is used in the preparation granulation; Take by weighing NYLON610 resin 20-26 part, Nylon 6 25-32 part, coupling agent 0.5-1.1 part, filler 10-20 part and fire retardant 5-10 part by weight; And mix in the input high-speed mixer; Then drop into antiseptic-germicide 0.7-1.5 part, oxidation inhibitor 0.2-0.7 part, short glass fiber 23-28 part and the surface-modifying agent 0.2-0.6 part that takes by weighing by weight, and continue to mix, obtain granulation and use raw material;
B) granulation will be by steps A) material of making that obtains drops in the twin screw extruder with raw material and melt extrudes, and the temperature distinguished of a district to six of control twin screw extruder, obtains antibiotic fire-retardant nylon matrix material.
2. the preparation method of
antibiotic fire-retardant nylon matrix material according to claim 1 is characterized in that described NYLON610 resin is a fusing point at 230 ℃ resin; Described Nylon 6 is a fusing point at 220 ℃ resin.
3. the preparation method of
antibiotic fire-retardant nylon matrix material according to claim 1 is characterized in that described coupling agent is an aminopropyl trimethoxysilane; Described filler is a hydrogen-oxygen flower aluminium.
4. the preparation method of
antibiotic fire-retardant nylon matrix material according to claim 1 is characterized in that described fire retardant is a tetrabromo-bisphenol.
5. the preparation method of
antibiotic fire-retardant nylon matrix material according to claim 1 is characterized in that described antiseptic-germicide is a pyridine zinc sulfate.
6. the preparation method of
antibiotic fire-retardant nylon matrix material according to claim 1 is characterized in that described oxidation inhibitor is two (2,4 di-tert-butyl-phenyl) pentaerythritol diphosphites.
7. the preparation method of
antibiotic fire-retardant nylon matrix material according to claim 1 is characterized in that described short glass fiber is the alkali-free short glass fiber of length 3 ㎜.
8. the preparation method of
antibiotic fire-retardant nylon matrix material according to claim 1 is characterized in that described surface-modifying agent is the Stearinsaeure acid amides.
9. the preparation method of
antibiotic fire-retardant nylon matrix material according to claim 1 is characterized in that the described blended time is 7-9min; The described continuation blended time is 3-5min.
10.
The preparation method of antibiotic fire-retardant nylon matrix material according to claim 1 is characterized in that the temperature in a district to six district of described control twin screw extruder is that temperature is controlled to be: 245 ℃ in 240 ℃ in a district, 245 ℃ in two districts, 245 ℃ in three districts, 250 ℃ in four districts, 250 ℃ in five districts and six districts
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CN2012101286416A CN102643539A (en) | 2012-04-27 | 2012-04-27 | Method for preparing antibacterial flame retardant nylon composite material |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103642192A (en) * | 2013-11-25 | 2014-03-19 | 常熟市蓝天新材料科技有限公司 | Preparation method of antibacterial toughening modified polyphenyl ether alloy material |
CN106589931A (en) * | 2016-11-16 | 2017-04-26 | 马鞍山市华能电力线路器材有限责任公司 | High-toughness flame-retardant nylon composite for electric power fitting and preparation method of nylon composite |
CN109265988A (en) * | 2018-08-01 | 2019-01-25 | 西安工程大学 | A kind of preparation method for adding organometallic complex antimicrobial composite material |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103642192A (en) * | 2013-11-25 | 2014-03-19 | 常熟市蓝天新材料科技有限公司 | Preparation method of antibacterial toughening modified polyphenyl ether alloy material |
CN106589931A (en) * | 2016-11-16 | 2017-04-26 | 马鞍山市华能电力线路器材有限责任公司 | High-toughness flame-retardant nylon composite for electric power fitting and preparation method of nylon composite |
CN109265988A (en) * | 2018-08-01 | 2019-01-25 | 西安工程大学 | A kind of preparation method for adding organometallic complex antimicrobial composite material |
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Application publication date: 20120822 |