CN102746658A - Preparation method of metal fiber filled nylon composite material - Google Patents
Preparation method of metal fiber filled nylon composite material Download PDFInfo
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- CN102746658A CN102746658A CN2012101980506A CN201210198050A CN102746658A CN 102746658 A CN102746658 A CN 102746658A CN 2012101980506 A CN2012101980506 A CN 2012101980506A CN 201210198050 A CN201210198050 A CN 201210198050A CN 102746658 A CN102746658 A CN 102746658A
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- preparation
- nylon
- steel fiber
- composite materials
- nylon composite
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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
- B29C48/78—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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Belonging to the technical field of high polymer material preparation, the invention provides a preparation method of a metal fiber filled nylon composite material. The method comprises the steps of: preparing a granulation material: first putting 60-66 parts of nylon 1212 resin, 16-23 parts of nylon 66 resin, 0.6-1.3 parts of a coupling agent, 20-28 parts of a filling material and 23-31 parts of a metal fiber that are weighed by weight into a mixer for mixing, then putting 0.3-0.7 part of an antioxidant, 23-31 parts of a glass fiber, and 0.5-1.1 parts of a surface modifier that are weighed by weight into the mixer for further mixing so as to obtain the granulation material; and conducting granulation: putting the granulation material into a twin-screw extruder for melt extrusion, and controlling the temperature of each heating zone of the screws, thus obtaining the metal fiber filled nylon composite material, which not only has ideal thermal conductivity, but also can significantly reinforce the mechanical and physical strength of nylon. The whole technical scheme adopted by the invention achieves the dual effects of resource saving and environmental protection.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of preparation method of nylon composite materials of steel fiber filling
Background technology
can produce a large amount of very thin steel fibers in the process of metal being carried out cut; Usually this steel fiber is disposed with the depleted mode, so-called discarded mode is main but be not limited to following dual mode: the one, be sold to waste and old material department of recovery; The 2nd, landfill.The former helps the regenerated using of resource for the latter, and the latter can damage soil and water system and cause waste.But these two kinds of disposal options all are passive, and the maximization that promptly can not embody the utilization of resources is worth.Known; Steel fiber has metal properties and has electroconductibility, thermal conduction (thermal conductivity) and good fibre strength; Therefore, then can make thermal conduction that the material of nylon and so on embodies people's expectation undoubtedly and promote effect such as intensity if add them to non-metallic material for example in the nylon.But be not seen in the enlightenment that steel fiber is reasonably joined the preparation method in the nylon in the prior art, the applicant has done positive trial for this reason, and the technical scheme that will introduce below is based on producing under this background
Summary of the invention
task of the present invention is to provide the preparation method of the nylon composite materials that a kind of steel fiber fills, and this method technology is simple and help significantly to promote the intensity and the thermal conductivity that helps improving nylon of nylon.
Task of the present invention is accomplished like this, and the preparation method of the nylon composite materials that a kind of steel fiber is filled may further comprise the steps:
A) preparation granulation material; Earlier the nylon 1212 resin 60-66 part that takes by weighing, Nylon 66 16-23 part, coupling agent 0.6-1.3 part, filler 20-28 part and steel fiber 23-31 part are dropped in the mixing machine by weight and mix; Drop into oxidation inhibitor 0.3-0.7 part, spun glass 23-31 part and the tensio-active agent 0.5-1.1 part that takes by weighing by weight again; Continue to mix, obtain the granulation material;
B) granulation drops into the granulation material in the twin screw extruder and to melt extrude, and the temperature of each heating region of control screw rod, obtains the nylon composite materials that steel fiber is filled.
in one embodiment of the invention, described nylon 1212 resin is a fusing point at 220 ℃ resin.
in another embodiment of the present invention, described Nylon 66 is a fusing point at 210 ℃ resin.
in yet another embodiment of the present invention, described coupling agent is vinyl three (β methoxyethoxy) silane.
in another embodiment of the present invention, described filler is the white lake through activation treatment.
also have among the embodiment of the present invention, and described oxidation inhibitor is two (2,4 di-tert-butyl-phenyl) pentaerythritol diphosphites.
are more of the present invention and among embodiment, described steel fiber is the copper fiber.
in of the present invention and then embodiment, described spun glass is the alkali-free short glass fiber of length 3mm, and described surface-modifying agent is meant two stearic amides.
in the present invention again more and among concrete embodiment, the described blended time is 10-20min, the rotating speed of mixing machine is 150-300n/min; The described continuation blended time is 5-10min, and the rotating speed of the mixing machine when continuing to mix is 100-200n/min.
In again of the present invention and then concrete embodiment, the temperature of described each heating region of control screw rod is that temperature is controlled to be
: a district 225-235 ℃, two district 235-245 ℃, three district 235-245 ℃, 245-255 ℃ in four districts to seven district, eight district 240-245 ℃.
technical scheme provided by the invention is owing to be filled in steel fiber in nylon 1212 resin and the Nylon 66, so makes nylon composite materials not only have the ideal thermal conductivity, and the remarkable mechanical-physical intensity of Reinforced Nylon; Whole technical proposal has the effect of a stone two birds that economize on resources and protect environment.
Embodiment
Embodiment 1:
A) preparation granulation material; Be 60 parts of nylon 1212 resins, fusing point at 210 ℃ resin with the fusing point that takes by weighing at 220 ℃ resin by weight be that 23 parts of Nylon 66s, coupling agent are that 0.6 part in vinyl three (β methoxyethoxy) silane, filler mix 20min in promptly through 20 parts in the white lake of activation treatment and 18 parts of input mixing machines of copper fiber; The rotating speed of mixing machine is 150n/min; Dropping into the oxidation inhibitor that takes by weighing by weight again is two (2; 4 di-tert-butyl-phenyls) 0.3 part of pentaerythritol diphosphites, length are that 24 parts of alkali-free short glass fibers and the surface-modifying agent of 3 ㎜ are 0.8 part of two stearic amide; Continue to mix 5min, the rotating speed of mixing machine is 200n/min, obtains the granulation material;
B) granulation; Will be by steps A) the granulation material that obtains drops in the twin screw extruder and melt extrudes; The temperature of each heating region of screw rod is controlled to be: 225 ℃ in a district, 245 ℃ in two districts, 245 ℃ in three districts, 250 ℃ in four districts to seven district, 240 ℃ in eight districts obtain the nylon composite materials that steel fiber is filled.
Embodiment 2:
A) preparation granulation material; Be 66 parts of nylon 1212 resins, fusing point at 210 ℃ resin with the fusing point that takes by weighing at 220 ℃ resin by weight be that 16 parts of Nylon 66s, coupling agent are that 0.8 part in vinyl three (β methoxyethoxy) silane, filler mix 15min in promptly through 28 parts in the white lake of activation treatment and 12 parts of input mixing machines of copper fiber; The rotating speed of mixing machine is 280n/min; Dropping into the oxidation inhibitor that takes by weighing by weight again is two (2; 4 di-tert-butyl-phenyls) 0.5 part of pentaerythritol diphosphites, length are that 31 parts of alkali-free short glass fibers and the surface-modifying agent of 3 ㎜ are 0.5 part of two stearic amide; Continue to mix 6min, the rotating speed of mixing machine is 180n/min, obtains the granulation material;
B) granulation; Will be by steps A) the granulation material that obtains drops in the twin screw extruder and melt extrudes; The temperature of each heating region of screw rod is controlled to be: 235 ℃ in a district, 235 ℃ in two districts, 240 ℃ in three districts, 245 ℃ in four districts to seven district, 242 ℃ in eight districts obtain the nylon composite materials that steel fiber is filled.
Embodiment 3:
A) preparation granulation material; Be 62 parts of nylon 1212 resins, fusing point at 210 ℃ resin with the fusing point that takes by weighing at 220 ℃ resin by weight be that 18 parts of Nylon 66s, coupling agent are that 1.3 parts in vinyl three (β methoxyethoxy) silane, filler mix 18min in promptly through 24 parts in the white lake of activation treatment and 16 parts of input mixing machines of copper fiber; The rotating speed of mixing machine is 250n/min; Dropping into the oxidation inhibitor that takes by weighing by weight again is two (2; 4 di-tert-butyl-phenyls) 0.7 part of pentaerythritol diphosphites, length are that 28 parts of alkali-free short glass fibers and the surface-modifying agent of 3 ㎜ are 0.9 part of two stearic amide; Continue to mix 8min, the rotating speed of mixing machine is 150n/min, obtains the granulation material;
B) granulation; Will be by steps A) the granulation material that obtains drops in the twin screw extruder and melt extrudes; The temperature of each heating region of screw rod is controlled to be: 230 ℃ in a district, 240 ℃ in two districts, 240 ℃ in three districts, 255 ℃ in four districts to seven district, 245 ℃ in eight districts obtain the nylon composite materials that steel fiber is filled.
Embodiment 4:
A) preparation granulation material; Be 64 parts of nylon 1212 resins, fusing point at 210 ℃ resin with the fusing point that takes by weighing at 220 ℃ resin by weight be that 21 parts of Nylon 66s, coupling agent are that 1.1 parts in vinyl three (β methoxyethoxy) silane, filler mix 10min in promptly through 26 parts in the white lake of activation treatment and 14 parts of input mixing machines of copper fiber; The rotating speed of mixing machine is 300n/min; Dropping into the oxidation inhibitor that takes by weighing by weight again is two (2; 4 di-tert-butyl-phenyls) 0.6 part of pentaerythritol diphosphites, length are that 26 parts of alkali-free short glass fibers and the surface-modifying agent of 3 ㎜ are 1.1 parts of two stearic amides; Continue to mix 10min, the rotating speed of mixing machine is 100n/min, obtains the granulation material;
B) granulation; Will be by steps A) the granulation material that obtains drops in the twin screw extruder and melt extrudes; The temperature of each heating region of screw rod is controlled to be: 228 ℃ in a district, 242 ℃ in two districts, 235 ℃ in three districts, 248 ℃ in four districts to seven district, 240 ℃ in eight districts obtain the nylon composite materials that steel fiber is filled.
The nylon composite materials that the steel fiber that is obtained by the foregoing description 1-4 is filled has good heat transfer property and has the technique effect shown in the following table through test:
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength MPa | 120 | 123 | 125 | 127 |
| Flexural strength MPa | 240 | 242 | 245 | 246 |
| Socle girder notched Izod impact strength kj/m 2 | 24.0 | 24.2 | 24.5 | 24.7 |
| Melting index g/10min | 19 | 19.3 | 19.5 | 19.7 |
Claims (10)
1.
The preparation method of the nylon composite materials that a kind of steel fiber is filled is characterized in that may further comprise the steps:
A) preparation granulation material; Earlier the nylon 1212 resin 60-66 part that takes by weighing, Nylon 66 16-23 part, coupling agent 0.6-1.3 part, filler 20-28 part and steel fiber 23-31 part are dropped in the mixing machine by weight and mix; Drop into oxidation inhibitor 0.3-0.7 part, spun glass 23-31 part and the tensio-active agent 0.5-1.1 part that takes by weighing by weight again; Continue to mix, obtain the granulation material;
B) granulation drops into the granulation material in the twin screw extruder and to melt extrude, and the temperature of each heating region of control screw rod, obtains the nylon composite materials that steel fiber is filled.
2. the preparation method of
steel fiber according to claim 1 nylon composite materials of filling is characterized in that described nylon 1212 resin is a fusing point at 220 ℃ resin.
3. the preparation method of
steel fiber according to claim 1 nylon composite materials of filling is characterized in that described Nylon 66 is a fusing point at 210 ℃ resin.
4. the preparation method of the nylon composite materials of
steel fiber filling according to claim 1 is characterized in that described coupling agent is vinyl three (β methoxyethoxy) silane.
5. the preparation method of the nylon composite materials of
steel fiber filling according to claim 1 is characterized in that described filler is the white lake through activation treatment.
6. the preparation method of the nylon composite materials of
steel fiber filling 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 the nylon composite materials of
steel fiber filling according to claim 1 is characterized in that described steel fiber is the copper fiber.
8. the preparation method of
steel fiber according to claim 1 nylon composite materials of filling; It is characterized in that described spun glass is the alkali-free short glass fiber of length 3mm, described surface-modifying agent is meant two stearic amides.
9. the preparation method of the nylon composite materials of
steel fiber filling according to claim 1 is characterized in that the described blended time is 10-20min, and the rotating speed of mixing machine is 150-300n/min; The described continuation blended time is 5-10min, and the rotating speed of the mixing machine when continuing to mix is 100-200n/min.
10.
The preparation method of the nylon composite materials that steel fiber according to claim 1 is filled is characterized in that the temperature of described each heating region of control screw rod is that temperature is controlled to be: a district 225-235 ℃, two district 235-245 ℃, three district 235-245 ℃, four districts to seven are distinguished 245-255 ℃, eight district 240-245 ℃
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101980506A CN102746658A (en) | 2012-06-15 | 2012-06-15 | Preparation method of metal fiber filled nylon composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101980506A CN102746658A (en) | 2012-06-15 | 2012-06-15 | Preparation method of metal fiber filled nylon composite material |
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| CN102746658A true CN102746658A (en) | 2012-10-24 |
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| CN2012101980506A Pending CN102746658A (en) | 2012-06-15 | 2012-06-15 | Preparation method of metal fiber filled nylon composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552970A (en) * | 2013-10-25 | 2015-04-29 | 中国石油化工股份有限公司 | Polymer composite fiber containing superfine metal fibers and preparation method of polymer composite fiber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4569786A (en) * | 1983-04-12 | 1986-02-11 | Ube Industries, Ltd. | Electrically conductive thermoplastic resin composition containing metal and carbon fibers |
| CN101200588A (en) * | 2006-12-15 | 2008-06-18 | 上海杰事杰新材料股份有限公司 | Polyamide composition and method of making the same |
| CN101343410A (en) * | 2007-07-12 | 2009-01-14 | 上海化工研究院 | Halogen-free flame-proof reinforced polyamide composition |
-
2012
- 2012-06-15 CN CN2012101980506A patent/CN102746658A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4569786A (en) * | 1983-04-12 | 1986-02-11 | Ube Industries, Ltd. | Electrically conductive thermoplastic resin composition containing metal and carbon fibers |
| CN101200588A (en) * | 2006-12-15 | 2008-06-18 | 上海杰事杰新材料股份有限公司 | Polyamide composition and method of making the same |
| CN101343410A (en) * | 2007-07-12 | 2009-01-14 | 上海化工研究院 | Halogen-free flame-proof reinforced polyamide composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552970A (en) * | 2013-10-25 | 2015-04-29 | 中国石油化工股份有限公司 | Polymer composite fiber containing superfine metal fibers and preparation method of polymer composite fiber |
| CN104552970B (en) * | 2013-10-25 | 2018-11-30 | 中国石油化工股份有限公司 | A kind of polymer composite fibrous preparation method and its preparation containing ultrafine metal fibers it is polymer composite fibrous |
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Application publication date: 20121024 |