CN104558977A - PVDF (Polyvinylidene Fluoride) color masterbatch and processing method thereof - Google Patents
PVDF (Polyvinylidene Fluoride) color masterbatch and processing method thereof Download PDFInfo
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- CN104558977A CN104558977A CN201310508893.6A CN201310508893A CN104558977A CN 104558977 A CN104558977 A CN 104558977A CN 201310508893 A CN201310508893 A CN 201310508893A CN 104558977 A CN104558977 A CN 104558977A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/16—Homopolymers or copolymers or vinylidene fluoride
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- 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
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/16—Homopolymers or copolymers of vinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2310/00—Masterbatches
Abstract
The invention discloses PVDF (Polyvinylidene Fluoride) color masterbatch and a processing technology thereof. The PVDF color masterbatch prepared by a formula and the processing method is relatively high in corrosion resistance, high in electric insulation performance, long in service life, and low in price. The PVDF color masterbatch is prepared from the following raw materials in percentage by weight: 70 to 90% of PVDF, 8 to 20% of high-temperature pigment, 3 to 6% of a dispersing agent, and 0.1 to 1.5% of a processing agent. The invention also discloses the processing technology of the PVDF color masterbatch. The processing technology comprises the following steps: (1) mixing materials; (2) extruding and forming; (3) cooling; (4) granulating; (5) dewatering; (6) sorting; (7) drying; (8) packaging and warehousing.
Description
Technical field
The present invention relates to fluoroplastics look female field, be specifically related to PVDF fluorine look mother and working method thereof.
Background technology
Fluoroplastics look mother is mainly used in the internal wire of aviation, naval vessels, electronics, fixture wire, computer network, subway, vehicle, the electric wire of the public arenas such as Highrise buildings, the fluoroplastics products such as the internal wire of conventional communication device;
In fluoroplastics look mother, the application of PVDF (polyvinylidene difluoride (PVDF)) fluorine look mother widely, PVDF mainly refers to the multipolymer of a small amount of fluorine-containing vinyl monomer of vinylidene fluoride homopolymer or vinylidene and other, it has the characteristic of fluoro-resin and resins for universal use concurrently, except there is good chemical resistance, high thermal resistance, scale resistance, weathering resistance, resistance to x radiation x performance, also there is the properties such as piezoelectricity, dielectricity, pyroelectricity, be the large product that in fluoro-containing plastic, output is at the second place, global annual capacity is more than 5.3 ten thousand tons.
But for a long time the formula technique of the female especially PVDF fluoroplastics look mother of fluoroplastics look and processing technology all monopolize by overseas enterprise, domestic use be mostly import material, therefore its price is higher, but the corrosion resistance nature of the female especially PVDF fluorine look mother of the fluoroplastics look that domestic processing obtains is poor, electrical insulation capability is poor, and work-ing life is short.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of PVDF fluorine look mother and complete processing thereof are provided, the PVDF fluorine look mother adopting this formula and working method to prepare has better corrosion resistance nature, electrical insulation capability, longer service life, meanwhile cheap.
The technical solution adopted for the present invention to solve the technical problems is: a kind of PVDF fluorine look female, is made up of the raw material of following weight proportion:
The PVDF of 70% ~ 90%;
The hard fire colour of 8% ~ 20%;
The dispersion agent of 3% ~ 6%;
The processing aid of 0.1% ~ 1.5%.
The invention also discloses the complete processing preparing above-mentioned PVDF fluorine look mother, comprise following steps:
(1) prepare burden; Take the PVDF of 70% ~ 90% by weight ratio, the hard fire colour of 8% ~ 20%, the dispersion agent of 3% ~ 6% and the processing aid of 0.1% ~ 1.5%;
(2) extrusion moulding; The batching taken in step (1) mixing is added twin screw extruder and carries out mixing plasticizing, and carry out vacuum water divisional processing, final extrusion moulding;
(3) cool; The product of step (2) extrusion moulding is cooled fast, make mixing after the rapid crystallization of product, reduce surface temperature, prevent product inter-adhesive;
(4) pelletizing; Product cooled in step (3) is sent into dicing machine pelletizing;
(5) dewater; The material grain of discharging in dicing machine is sent into centrifuge dewatering machine dewater, preliminary filtering surface-moisture, is convenient to subsequent sort;
(6) sort; Material grain after dehydration is sent into vibratory screening apparatus sorting, arranged by adjustment Vibration Screen screen distance simultaneously and sort out larger and less defective material grain, select the material grain that size is relatively uniform;
(7) dry; The equal refining grain that sorting obtains is delivered to dry agitation vat by conveying fan and carries out premix drying;
(8) packaging warehouse-in; By good for material particle packing complete for drying, warehouse-in.
Further: above-mentioned twin screw extruder is divided into first to the tenth totally ten warm areas by opening for feed to discharge port, wherein the Heating temperature of the first warm area is 150 ~ 170 DEG C, the Heating temperature of the second to the 9th warm area is 160 ~ 200 DEG C, and the Heating temperature of the tenth warm area is 180 ~ 220 DEG C.
Further: above-mentioned first warm area is feed zone warm area, described tenth warm area is discharging section warm area.
Further: between above-mentioned steps (1) and step (2), also comprise the step be uniformly mixed, this step all batchings in step (1) is sent into stirring mixer carry out high-speed stirring mixing, and the twin screw extruder in step (2) finally sent into by mixed raw material.
Further: the cooling in above-mentioned steps (3) carries out Rapid Circulation air cooling by blower fan.
Further: between above-mentioned steps (6) and step (7), also comprise the step that first sample confirms, this step is checked the specification of the material grain sorted out at the beginning in step (6).
Further: the step also comprising inspection after construction between above-mentioned steps (7) and step (8), this step is that complete material grain dry in step (7) is carried out quality test, pick out underproof product, completely qualified product is carried out the packaging warehouse-in of step (8).
The present invention compared with prior art has the following advantages:
The present invention be we in order to comply with the market requirement, through effort innovation in recent years, and the formula of PVDF fluorine look mother developed of the accumulation of technology and complete processing and the complete processing of PVDF fluorine look mother; It has the feature of corrosion-and high-temp-resistant, and select fluorine resin to be carrier and high molecular auxiliary agent, import pigment mixture manufacturing forms, and product can match in excellence or beauty with the fluoroplastics look parent phase of import, has filled up domestic blank market, the quality of import, domestic price; This product has excellent corrosion resistance nature, is dissolved in any organic solvent hardly, can resist the corrosion of strong acid or highly basic, has excellent electrical insulation capability, high voltage withstanding, and insulation resistance is large, has excellent resistance to combustion, ageing-resistant performance, long service life.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the invention is described:
Fig. 1 shows the working method of PVDF fluorine look mother disclosed in the present invention, it can be directly used in the standardized production of the fluorine look mother that PVDF disclosed in this invention fills a prescription, and finally can obtain the performance perameter of the PVDF fluorine look mother shown in the form meeting end, this part.
PVDF fluorine look of the present invention is female, can be made up of the raw material of following weight proportion:
The PVDF of 70% ~ 90%;
The hard fire colour of 8% ~ 20%;
The dispersion agent of 3% ~ 6%;
The processing aid of 0.1% ~ 1.5%.
As shown in Figure 1, the invention also discloses the working method of the above-mentioned a kind of PVDF fluorine look mother of preparation, comprise following steps:
(1) prepare burden; Take the PVDF of 70% ~ 90% by weight ratio, the hard fire colour of 8% ~ 20%, the dispersion agent of 3% ~ 6% and the processing aid of 0.1% ~ 1.5%;
(2) extrusion moulding; The batching taken in step (1) mixing is added twin screw extruder and carries out mixing plasticizing, and carry out vacuum water divisional processing, final extrusion moulding;
(3) cool; The product of step (2) extrusion moulding is cooled fast, make mixing after the rapid crystallization of product, reduce surface temperature, prevent product inter-adhesive;
(4) pelletizing; Product cooled in step (3) is sent into dicing machine pelletizing;
(5) dewater; The material grain of discharging in dicing machine is sent into centrifuge dewatering machine dewater, preliminary filtering surface-moisture, is convenient to subsequent sort;
(6) sort; Material grain after dehydration is sent into vibratory screening apparatus sorting, arranged by adjustment Vibration Screen screen distance simultaneously and sort out larger and less defective material grain, select the material grain that size is relatively uniform;
(7) dry; The equal refining grain that sorting obtains is delivered to dry agitation vat by conveying fan and carries out premix drying;
(8) packaging warehouse-in; By good for material particle packing complete for drying, warehouse-in.
In order to improve the quality of extrusion moulding, above-mentioned twin screw extruder is divided into first to the tenth totally ten warm areas by opening for feed to discharge port, wherein the Heating temperature of the first warm area is 150 ~ 170 DEG C, the Heating temperature of the second to the 9th warm area is 160 ~ 200 DEG C, and the Heating temperature of the tenth warm area is 180 ~ 220 DEG C.Through our long knowhow accumulation, once exceed this scope, PVDF hardened material will be made, affect end product quality.
Concrete, above-mentioned first warm area is feed zone warm area, and described tenth warm area is discharging section warm area.
Preferably, the step be uniformly mixed also is comprised between above-mentioned steps (1) and step (2), this step all batchings in step (1) is sent into stirring mixer carry out high-speed stirring mixing, and the twin screw extruder in step (2) finally sent into by mixed raw material.
Preferably, the cooling in above-mentioned steps (3) carries out Rapid Circulation air cooling by blower fan.
Preferably, also comprise the step that first sample confirms between above-mentioned steps (6) and step (7), this step is checked the specification of the material grain sorted out at the beginning in step (6).
Preferably, the step of inspection after construction is also comprised between above-mentioned steps (7) and step (8), this step is that complete material grain dry in step (7) is carried out quality test, pick out underproof product, completely qualified product is carried out the packaging warehouse-in of step (8).
Following table discloses the salient features data of the PVDF fluorine look mother adopting formula of the present invention and working method to obtain, and these data are all parameters that actual production obtains:
Above the preferred embodiment for the present invention is explained in detail, but the invention is not restricted to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from present inventive concept.
Do not depart from the spirit and scope of the present invention and can make other changes many and remodeling.Should be appreciated that and the invention is not restricted to specific embodiment, scope of the present invention is defined by the following claims.
Claims (8)
1. a PVDF fluorine look female, it is characterized in that, be made up of the raw material of following weight proportion:
The PVDF of 70% ~ 90%;
The hard fire colour of 8% ~ 20%;
The dispersion agent of 3% ~ 6%;
The processing aid of 0.1% ~ 1.5%.
2. prepare the working method of a kind of PVDF fluorine look mother according to claim 1, comprise following steps:
(1) prepare burden; Take the PVDF of 70% ~ 90% by weight ratio, the hard fire colour of 8% ~ 20%, the dispersion agent of 3% ~ 6% and the processing aid of 0.1% ~ 1.5%;
(2) extrusion moulding; The batching taken in step (1) mixing is added twin screw extruder and carries out mixing plasticizing, and carry out vacuum water divisional processing, final extrusion moulding;
(3) cool; The product of step (2) extrusion moulding is cooled fast, make mixing after the rapid crystallization of product, reduce surface temperature, prevent product inter-adhesive;
(4) pelletizing; Product cooled in step (3) is sent into dicing machine pelletizing;
(5) dewater; The material grain of discharging in dicing machine is sent into centrifuge dewatering machine dewater, preliminary filtering surface-moisture, is convenient to subsequent sort;
(6) sort; Material grain after dehydration is sent into vibratory screening apparatus sorting, arranged by adjustment Vibration Screen screen distance simultaneously and sort out larger and less defective material grain, select the material grain that size is relatively uniform;
(7) dry; The equal refining grain that sorting obtains is delivered to dry agitation vat by conveying fan and carries out premix drying;
(8) packaging warehouse-in; By good for material particle packing complete for drying, warehouse-in.
3. working method as claimed in claim 2, it is characterized in that: described twin screw extruder is divided into first to the tenth totally ten warm areas by opening for feed to discharge port, wherein the Heating temperature of the first warm area is 150 ~ 170 DEG C, the Heating temperature of the second to the 9th warm area is 160 ~ 200 DEG C, and the Heating temperature of the tenth warm area is 180 ~ 220 DEG C.
4. working method as claimed in claim 3, it is characterized in that: described first warm area is feed zone warm area, described tenth warm area is discharging section warm area.
5. working method as claimed in claim 2, it is characterized in that: between described step (1) and step (2), also comprise the step be uniformly mixed, this step all batchings in step (1) is sent into stirring mixer carry out high-speed stirring mixing, and the twin screw extruder in step (2) finally sent into by mixed raw material.
6. working method as claimed in claim 2, is characterized in that: the cooling in described step (3) carries out Rapid Circulation air cooling by blower fan.
7. working method as claimed in claim 2, it is characterized in that: also comprise the step that first sample confirms between described step (6) and step (7), this step is checked the specification of the material grain sorted out at the beginning in step (6).
8. working method as claimed in claim 2, it is characterized in that: the step also comprising inspection after construction between described step (7) and step (8), this step is that complete material grain dry in step (7) is carried out quality test, pick out underproof product, completely qualified product is carried out the packaging warehouse-in of step (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310508893.6A CN104558977A (en) | 2013-10-23 | 2013-10-23 | PVDF (Polyvinylidene Fluoride) color masterbatch and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310508893.6A CN104558977A (en) | 2013-10-23 | 2013-10-23 | PVDF (Polyvinylidene Fluoride) color masterbatch and processing method thereof |
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| Publication Number | Publication Date |
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| CN104558977A true CN104558977A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310508893.6A Pending CN104558977A (en) | 2013-10-23 | 2013-10-23 | PVDF (Polyvinylidene Fluoride) color masterbatch and processing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034549A (en) * | 2016-11-29 | 2017-08-11 | 郑佳丹 | A kind of radiation proof chemical industry fibrous material |
| CN109912990A (en) * | 2019-03-29 | 2019-06-21 | 台州见龙科技有限公司 | Color masterbatch is used in a kind of ETFE coloring |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516691A (en) * | 2011-10-28 | 2012-06-27 | 江苏昊华光伏科技有限公司 | Manufacturing method of polyvinylidene difluoride special-purposed white master batch for solar-energy backboard membrane |
-
2013
- 2013-10-23 CN CN201310508893.6A patent/CN104558977A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516691A (en) * | 2011-10-28 | 2012-06-27 | 江苏昊华光伏科技有限公司 | Manufacturing method of polyvinylidene difluoride special-purposed white master batch for solar-energy backboard membrane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034549A (en) * | 2016-11-29 | 2017-08-11 | 郑佳丹 | A kind of radiation proof chemical industry fibrous material |
| CN109912990A (en) * | 2019-03-29 | 2019-06-21 | 台州见龙科技有限公司 | Color masterbatch is used in a kind of ETFE coloring |
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Application publication date: 20150429 |