CN114621561A - Electronic product over-glow wire plastic and preparation method thereof - Google Patents
Electronic product over-glow wire plastic and preparation method thereof Download PDFInfo
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- CN114621561A CN114621561A CN202011444392.2A CN202011444392A CN114621561A CN 114621561 A CN114621561 A CN 114621561A CN 202011444392 A CN202011444392 A CN 202011444392A CN 114621561 A CN114621561 A CN 114621561A
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- 239000004033 plastic Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003063 flame retardant Substances 0.000 claims abstract description 25
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 24
- 239000003365 glass fiber Substances 0.000 claims abstract description 24
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 23
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 23
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 22
- 229920001577 copolymer Polymers 0.000 claims abstract description 22
- 239000000314 lubricant Substances 0.000 claims abstract description 22
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 22
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 17
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 14
- 238000005303 weighing Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 15
- 238000007493 shaping process Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The application discloses an electronic product glow-wire plastic and a preparation method thereof, and the electronic product glow-wire plastic comprises 30-50% of PBT plastic master batch, 0.5-0.8% of silane coupling agent, 12-22% of brominated organic flame retardant, 6-9% of zinc borate, 6-12% of melamine, 3-6% of ethylene-methyl acrylate-glycidyl methacrylate copolymer, 0.4-0.6% of antioxidant, 20-28% of alkali-free glass fiber, 0.5-0.7% of processing aid and 1-3% of lubricant; firstly, weighing PBT plastic master batch, a silane coupling agent, a brominated organic flame retardant, zinc borate, melamine, an ethylene-methyl acrylate-glycidyl methacrylate copolymer, an antioxidant, alkali-free glass fiber, a processing aid and a lubricant. The application adopts the PBT plastic master batch, the silane coupling agent, the brominated organic flame retardant and the alkali-free glass fiber for composite molding, enhances the flame retardance, the weather resistance and the chemical resistance of the over-glow-wire plastic, can meet the requirements of electronic products, and has a simpler preparation process.
Description
Technical Field
The application relates to an over-glow wire plastic, in particular to an electronic product over-glow wire plastic and a preparation method thereof.
Background
The electronic product is a related product based on electric energy, and mainly comprises: watches, smart phones, telephones, televisions, video disc players (VCD, SVCD, DVD), video recorders, camcorders, radios, radio cassettes, combination speakers, compact disc players (CD), computers, mobile communication products, and the like. Since the early products mainly use electronic tubes as the basic elements, they are named electronic products.
The plastic is a plastic (flexible) material formed by processing and molding or a rigid material formed by curing and crosslinking by using a high molecular weight synthetic resin as a main component and adding appropriate additives such as a plasticizer, a stabilizer, an antioxidant, a flame retardant, a colorant and the like.
The glow-wire plastic is widely applied to electronic products, the traditional glow-wire plastic is insufficient in flame retardance, weather resistance and chemical resistance, and the application range of the glow-wire plastic is reduced. Therefore, the over glow wire plastic for the electronic product and the preparation method thereof are provided for solving the problems.
Disclosure of Invention
An electronic product glowing filament plastic and a preparation method thereof, comprising 30-50% of PBT plastic master batch, 0.5-0.8% of silane coupling agent, 12-22% of brominated organic flame retardant, 6-9% of zinc borate, 6-12% of melamine, 3-6% of ethylene-methyl acrylate-glycidyl methacrylate copolymer, 0.4-0.6% of antioxidant, 20-28% of alkali-free glass fiber, 0.5-0.7% of processing aid and 1-3% of lubricant.
Further, the preparation method comprises the following steps:
s1, firstly, weighing PBT plastic master batches, a silane coupling agent, a brominated organic flame retardant, zinc borate, melamine, an ethylene-methyl acrylate-glycidyl methacrylate copolymer, an antioxidant, alkali-free glass fiber, a processing aid and a lubricant, and then drying the PBT plastic master batches, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber before processing;
s2, placing the PBT plastic master batch, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber in a high-speed mixer for mixing, then sequentially adding the antioxidant, the processing aid and the lubricant, and mixing for 4-6min to obtain a mixture;
s3, finally conveying the mixture to a feeding chamber and a mold of an extruder, and realizing semi-continuous extrusion molding by three steps of applying high pressure to move compressed powder, continuously sintering and cooling and shaping; and the temperature of the sintered material is gradually reduced after the sintered material enters the shaping section, and the temperature cannot be lower than 130 ℃, so that a product is formed, and the product can be cooled and granulated.
Further, the drying device in the step S2 adopts a vacuum drying oven, the drying temperature is 100 ℃, the drying time is 8-12 hours, and the water content is not more than 0.1%.
Further, the high-speed mixer in the step S2 is a powder high-speed mixer, the stirring weight of the powder high-speed mixer is 200 KG/time, and the one-time stirring time is 3-4 min.
Further, the extruder in the step S2 is a ram extruder, and the rotation speed of the ram extruder is not higher than 10 r/min.
Further, the temperature in the step S2 should be lower than 120 ℃, and the uniformly mixed materials need to be continuously added into the hopper.
Further, the shaping end of the extruder in the step S2 is connected to a cooling water jacket for cooling, and cooling by cooling can be further adopted.
Further, the screw diameter of the extruder in the step S2 reached 700mm, and the throughput was 36 t/h.
Further, the barrel temperature of the extruder in the step S2 was 320-360 ℃, and the internal pressure thereof was 6-8.2 MPa.
Further, the antioxidant used in the step S2 is nubuck 1076, and the lubricant is OP wax.
The beneficial effect of this application is: the application provides an electronic product glowing filament plastic with high weather resistance and convenient preparation and a preparation method thereof.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a flow chart of a method according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to the schematic view of figure 1-1,
example one
An electronic product glowing filament plastic and a preparation method thereof, comprising 30 percent of PBT plastic master batch, 0.5 percent of silane coupling agent, 22 percent of brominated organic flame retardant, 6 percent of zinc borate, 6 percent of melamine, 3 percent of ethylene-methyl acrylate-glycidyl methacrylate copolymer, 0.4 percent of antioxidant, 20 percent of alkali-free glass fiber, 0.5 percent of processing aid and 1 percent of lubricant.
Further, the preparation method comprises the following steps:
s1, firstly, weighing PBT plastic master batches, a silane coupling agent, a brominated organic flame retardant, zinc borate, melamine, an ethylene-methyl acrylate-glycidyl methacrylate copolymer, an antioxidant, alkali-free glass fiber, a processing aid and a lubricant, and then drying the PBT plastic master batches, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber before processing;
s2, then placing the PBT plastic master batch, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber in a high-speed mixer for mixing, then sequentially adding the antioxidant, the processing aid and the lubricant, and mixing for 4-6min to obtain a mixture;
s3, finally conveying the mixture to a feeding chamber and a mold of an extruder, and realizing semi-continuous extrusion molding by three steps of applying high pressure to move compressed powder, continuously sintering and cooling and shaping; and the temperature of the sintered material is gradually reduced after the sintered material enters the shaping section, and the temperature cannot be lower than 130 ℃, so that a product is formed, and the product can be cooled and granulated.
Further, the drying device in the step S2 adopts a vacuum drying oven, the drying temperature is 100 ℃, the drying time is 8-12 hours, and the water content is not more than 0.1%.
Further, the high-speed mixer in the step S2 is a powder high-speed mixer, the stirring weight of the powder high-speed mixer is 200 KG/time, and the one-time stirring time is 3-4 min.
Further, the extruder in the step S2 is a ram extruder, and the rotation speed of the ram extruder is not higher than 10 r/min.
Further, the temperature in the step S2 should be lower than 120 ℃, and the blended materials should be continuously added into the hopper.
Further, the shaping end of the extruder in the step S2 is connected to a cooling water jacket for cooling, and cooling by cooling can be further adopted.
Further, the screw diameter of the extruder in the step S2 reached 700mm, and the throughput was 36 t/h.
Further, the barrel temperature of the extruder in the step S2 was 320-360 ℃, and the internal pressure thereof was 6-8.2 MPa.
Further, the antioxidant used in the step S2 is nubuck 1076, and the lubricant is OP wax.
Example two
An electronic product glowing filament plastic and a preparation method thereof, comprising 40% of PBT plastic master batch, 0.7% of silane coupling agent, 18% of brominated organic flame retardant, 7% of zinc borate, 8% of melamine, 4% of ethylene-methyl acrylate-glycidyl methacrylate copolymer, 0.5% of antioxidant, 22% of alkali-free glass fiber, 0.6% of processing aid and 2% of lubricant.
Further, the preparation method comprises the following steps:
s1, firstly, weighing PBT plastic master batches, a silane coupling agent, a brominated organic flame retardant, zinc borate, melamine, an ethylene-methyl acrylate-glycidyl methacrylate copolymer, an antioxidant, alkali-free glass fiber, a processing aid and a lubricant, and then drying the PBT plastic master batches, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber before processing;
s2, placing the PBT plastic master batch, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber in a high-speed mixer for mixing, then sequentially adding the antioxidant, the processing aid and the lubricant, and mixing for 4-6min to obtain a mixture;
s3, finally conveying the mixture to a feeding chamber and a mold of an extruder, and realizing semi-continuous extrusion molding by three steps of applying high pressure to move compressed powder, continuously sintering and cooling and shaping; and the temperature of the sintered material is gradually reduced after the sintered material enters the shaping section, and the temperature cannot be lower than 130 ℃, so that a product is formed, and the product can be cooled and granulated.
Further, the drying device in the step S2 adopts a vacuum drying oven, the drying temperature is 100 ℃, the drying time is 8-12 hours, and the water content is not more than 0.1%.
Further, the high-speed mixer in the step S2 is a powder high-speed mixer, the stirring weight of the powder high-speed mixer is 200 KG/time, and the one-time stirring time is 3-4 min.
Further, the extruder in the step S2 is a ram extruder, and the rotation speed of the ram extruder is not higher than 10 r/min.
Further, the temperature in the step S2 should be lower than 120 ℃, and the uniformly mixed materials need to be continuously added into the hopper.
Further, the shaping end of the extruder in the step S2 is connected to a cooling water jacket for cooling, and cooling by cooling can be further adopted.
Further, the screw diameter of the extruder in the step S2 reached 700mm, and the throughput was 36 t/h.
Further, the barrel temperature of the extruder in the step S2 was 320-360 ℃, and the internal pressure thereof was 6-8.2 MPa.
Further, the antioxidant used in the step S2 is nubuck 1076, and the lubricant is OP wax.
EXAMPLE III
An electronic product glowing filament plastic and a preparation method thereof, comprising 50% of PBT plastic master batch, 0.8% of silane coupling agent, 12% of brominated organic flame retardant, 9% of zinc borate, 10% of melamine, 6% of ethylene-methyl acrylate-glycidyl methacrylate copolymer, 0.6% of antioxidant, 28% of alkali-free glass fiber, 0.7% of processing aid and 3% of lubricant.
Further, the preparation method comprises the following steps:
s1, firstly, weighing PBT plastic master batches, a silane coupling agent, a brominated organic flame retardant, zinc borate, melamine, an ethylene-methyl acrylate-glycidyl methacrylate copolymer, an antioxidant, alkali-free glass fiber, a processing aid and a lubricant, and then drying the PBT plastic master batches, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber before processing;
s2, placing the PBT plastic master batch, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber in a high-speed mixer for mixing, then sequentially adding the antioxidant, the processing aid and the lubricant, and mixing for 4-6min to obtain a mixture;
s3, finally conveying the mixture to a feeding chamber and a mold of an extruder, and realizing semi-continuous extrusion molding by three steps of applying high pressure to move compressed powder, continuously sintering and cooling and shaping; and the temperature of the sintered material is gradually reduced after the sintered material enters the shaping section, and the temperature cannot be lower than 130 ℃, so that a product is formed, and the product can be cooled and granulated.
Further, the drying device in the step S2 adopts a vacuum drying oven, the drying temperature is 100 ℃, the drying time is 8-12 hours, and the water content is not more than 0.1%.
Further, the high-speed mixer in the step S2 is a powder high-speed mixer, the stirring weight of the powder high-speed mixer is 200 KG/time, and the one-time stirring time is 3-4 min.
Further, the extruder in the step S2 is a ram extruder, and the rotation speed of the ram extruder is not higher than 10 r/min.
Further, the temperature in the step S2 should be lower than 120 ℃, and the uniformly mixed materials need to be continuously added into the hopper.
Further, the shaping end of the extruder in the step S2 is connected to a cooling water jacket for cooling, and cooling by cooling can be further adopted.
Further, the screw diameter of the extruder in the step S2 reached 700mm, and the throughput was 36 t/h.
Further, the barrel temperature of the extruder in the step S2 is 320-360 ℃, and the internal pressure thereof is 6-8.2 MPa.
Further, the antioxidant used in the step S2 is nubuck 1076, and the lubricant is OP wax.
The application has the advantages that: the application adopts the PBT plastic master batch, the silane coupling agent, the brominated organic flame retardant and the alkali-free glass fiber for composite molding, enhances the flame retardance, the weather resistance and the chemical resistance of the over-glow-wire plastic, can meet the requirements of electronic products, and has a simpler preparation process.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An electronic product glowing filament plastic is characterized in that: comprises 30-50% of PBT plastic master batch, 0.5-0.8% of silane coupling agent, 12-22% of brominated organic flame retardant, 6-9% of zinc borate, 6-12% of melamine, 3-6% of ethylene-methyl acrylate-glycidyl methacrylate copolymer, 0.4-0.6% of antioxidant, 20-28% of alkali-free glass fiber, 0.5-0.7% of processing aid and 1-3% of lubricant.
2. A method of manufacturing according to claim 1, wherein: the preparation method comprises the following steps:
s1, firstly, weighing PBT plastic master batches, a silane coupling agent, a brominated organic flame retardant, zinc borate, melamine, an ethylene-methyl acrylate-glycidyl methacrylate copolymer, an antioxidant, alkali-free glass fiber, a processing aid and a lubricant, and then drying the PBT plastic master batches, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber before processing;
s2, placing the PBT plastic master batch, the silane coupling agent, the brominated organic flame retardant, the zinc borate, the melamine, the ethylene-methyl acrylate-glycidyl methacrylate copolymer and the alkali-free glass fiber in a high-speed mixer for mixing, then sequentially adding the antioxidant, the processing aid and the lubricant, and mixing for 4-6min to obtain a mixture;
s3, finally conveying the mixture to a feeding chamber and a mold of an extruder, and realizing semi-continuous extrusion molding by three steps of applying high pressure to move compressed powder, continuously sintering and cooling and shaping; the temperature of the sintered material is gradually reduced after entering the shaping section, the temperature can not be lower than 130 ℃, and then a product is formed, and the product can be cooled by water and cut into granules.
3. The electronic product glow-wire plastic and the preparation method thereof as claimed in claim 2, wherein the electronic product glow-wire plastic is characterized in that: and the drying equipment in the step S2 adopts a vacuum drying oven, the drying temperature is 100 ℃, the drying time is 8-12 hours, and the water content is not more than 0.1%.
4. The electronic product glow-wire plastic and the preparation method thereof as claimed in claim 2, wherein: and the high-speed mixer in the step S2 adopts a powder high-speed mixer, the stirring weight of the powder high-speed mixer is 200 KG/time, and the one-time stirring time is 3-4 min.
5. The electronic product glow-wire plastic and the preparation method thereof as claimed in claim 2, wherein: the extruder in the step S2 is a plunger extruder, and the rotating speed of the plunger extruder is not higher than 10 r/min.
6. The electronic product glow-wire plastic and the preparation method thereof as claimed in claim 2, wherein: the temperature in the step S2 is lower than 120 ℃, and the uniformly mixed materials need to be continuously added into the hopper.
7. The electronic product glow-wire plastic and the preparation method thereof as claimed in claim 2, wherein: and the shaping end of the extruder in the step S2 is connected with a cooling water jacket for cooling, and the temperature can be further reduced by cooling separately.
8. The electronic product glow-wire plastic and the preparation method thereof as claimed in claim 2, wherein the electronic product glow-wire plastic is characterized in that: the screw diameter of the extruder in the step S2 reached 700mm, and the throughput was 36 t/h.
9. The electronic product glow-wire plastic and the preparation method thereof as claimed in claim 2, wherein the electronic product glow-wire plastic is characterized in that: the barrel temperature of the extruder in the step S2 is 320-360 ℃, and the internal pressure thereof is 6-8.2 MPa.
10. The electronic product glow-wire plastic and the preparation method thereof as claimed in claim 2, wherein: the antioxidant used in the step S2 was nubuck 1076, and the lubricant was OP wax.
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| CN202011444392.2A CN114621561A (en) | 2020-12-11 | 2020-12-11 | Electronic product over-glow wire plastic and preparation method thereof |
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| CN202011444392.2A CN114621561A (en) | 2020-12-11 | 2020-12-11 | Electronic product over-glow wire plastic and preparation method thereof |
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| CN102391623A (en) * | 2011-09-30 | 2012-03-28 | 中山市纳普工程塑料有限公司 | Ultrahigh-glowing filament temperature and flame-retardant reinforced PBT (polybutylece terephthalate) composite material and preparation method thereof |
| CN107418156A (en) * | 2017-04-21 | 2017-12-01 | 金旸（厦门）新材料科技有限公司 | A kind of high glow-wire enhancing flame retardant type PBT composite and preparation method thereof |
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2020
- 2020-12-11 CN CN202011444392.2A patent/CN114621561A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885904A (en) * | 2010-07-19 | 2010-11-17 | 中山市纳普工程塑料有限公司 | Flame-retardant reinforced PBT plastic with non-combustible glowing filament at 750 DEG C and production method thereof |
| CN102391623A (en) * | 2011-09-30 | 2012-03-28 | 中山市纳普工程塑料有限公司 | Ultrahigh-glowing filament temperature and flame-retardant reinforced PBT (polybutylece terephthalate) composite material and preparation method thereof |
| CN107418156A (en) * | 2017-04-21 | 2017-12-01 | 金旸（厦门）新材料科技有限公司 | A kind of high glow-wire enhancing flame retardant type PBT composite and preparation method thereof |
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Application publication date: 20220614 |