CN104558981A - PFA fluorine color masterbatch and production process thereof - Google Patents
PFA fluorine color masterbatch and production process thereof Download PDFInfo
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- CN104558981A CN104558981A CN201310505233.2A CN201310505233A CN104558981A CN 104558981 A CN104558981 A CN 104558981A CN 201310505233 A CN201310505233 A CN 201310505233A CN 104558981 A CN104558981 A CN 104558981A
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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
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
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- 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
- B29C2948/92504—Controlled parameter
- B29C2948/92704—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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
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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
- 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
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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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a PFA fluorine color masterbatch and a production process thereof. The PFA fluorine color masterbatch produced by virtue of a formula and the production process has excellent corrosion resistance and electrical insulation performance and is relatively long in service life and low in cost. The PFA fluorine color masterbatch is produced from the following raw materials in percentage by weight: 65%-85% of PFA, 8%-25% of a high-temperature pigment, 3%-6% of a dispersing agent and 0.1%-2% of a machining aid. The invention also discloses the production process of the PFA fluorine color masterbatch, comprising the following steps: (1) burdening; (2) molding by extrusion; (3) cooling; (4) granulating; (5) dehydrating; (6) sorting; (7) drying; and (8) packaging and warehousing.
Description
Technical field
The present invention relates to fluoroplastics look female field, be specifically related to PFA fluorine look mother and production technique 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 PFA (soluble poly tetrafluoroethylene) fluorine look mother widely, the multipolymer of PFA mainly a small amount of perfluoro propyl perfluoroalkyl vinyl ether and tetrafluoroethylene.Fusion bonding strengthens, and melt viscosity declines, and performance is unchanged compared with tetrafluoroethylene; Have remarkable chemical resistance, all corrosion-resistant to all chemical, frictional coefficient is minimum in the plastic, and also have good electrical property, its electrical insulating property not temperature influence, has the title of " King ".Its chemical proofing is similar to tetrafluoroethylene, better than vinylidene.Its creep resistance and compressive strength are all good than tetrafluoroethylene, and tensile strength is high, and elongation can reach 100-300%.Dielectricity is good, and radiation resistance is excellent.Flame retardant resistance reaches.
But for a long time the formula technique of the female especially PFA 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 PFA 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 PFA fluorine look mother and production technique thereof are provided, the PFA fluorine look mother adopting this formula and production technique 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 PFA fluorine look female, is made up of the raw material of following weight proportion:
The PFA of 65% ~ 85%;
The hard fire colour of 8% ~ 25%;
The dispersion agent of 3% ~ 6%;
The processing aid of 0.1% ~ 2%.
The invention also discloses the production technique preparing above-mentioned PFA fluorine look mother, comprise following steps:
(1) prepare burden; Take the PFA of 65% ~ 85% by weight ratio, the hard fire colour of 8% ~ 25%, the dispersion agent of 3% ~ 6% and the processing aid of 0.1% ~ 2%;
(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 300 ~ 320 DEG C, the Heating temperature of the second to the 9th warm area is 310 ~ 350 DEG C, and the Heating temperature of the tenth warm area is 320 ~ 380 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 (4) carries out Rapid Circulation cooling by circulating water cooling system.
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 PFA fluorine look mother developed of the accumulation of technology and production technique and the production technique of PFA 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 production technique of PFA fluorine look mother disclosed in the present invention, and it can be directly used in the standardized production of the fluorine look mother that PFA disclosed in this invention fills a prescription, and finally can obtain the performance perameter of the PFA fluorine look mother shown in the form meeting end, this part.
PFA fluorine look of the present invention is female, can be made up of the raw material of following weight proportion:
The PFA of 65% ~ 85%;
The hard fire colour of 8% ~ 25%;
The dispersion agent of 3% ~ 6%;
The processing aid of 0.1% ~ 2%.
As shown in Figure 1, the invention also discloses the production technique of the above-mentioned a kind of PFA fluorine look mother of preparation, comprise following steps:
(1) prepare burden; Take the PFA of 65% ~ 85% by weight ratio, the hard fire colour of 8% ~ 25%, the dispersion agent of 3% ~ 6% and the processing aid of 0.1% ~ 2%;
(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 300 ~ 320 DEG C, the Heating temperature of the second to the 9th warm area is 310 ~ 350 DEG C, and the Heating temperature of the tenth warm area is 320 ~ 380 DEG C.Through our long knowhow accumulation, once exceed this scope, will make PFA hardened material, affect end product quality, this defect is especially obvious when being heated to 500 DEG C.
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 PFA fluorine look mother adopting formula of the present invention and production technique 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 PFA fluorine look female, it is characterized in that, be made up of the raw material of following weight proportion:
The PFA of 65% ~ 85%;
The hard fire colour of 8% ~ 25%;
The dispersion agent of 3% ~ 6%;
The processing aid of 0.1% ~ 2%.
2. prepare the production technique of a kind of PFA fluorine look mother according to claim 1, comprise following steps:
(1) prepare burden; Take the PFA of 65% ~ 85% by weight ratio, the hard fire colour of 8% ~ 25%, the dispersion agent of 3% ~ 6% and the processing aid of 0.1% ~ 2%;
(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. production technique 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 300 ~ 320 DEG C, the Heating temperature of the second to the 9th warm area is 310 ~ 350 DEG C, and the Heating temperature of the tenth warm area is 320 ~ 380 DEG C.
4. production technique 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. production technique 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. production technique 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. production technique 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. production technique 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 |
|---|---|---|---|
| CN201310505233.2A CN104558981A (en) | 2013-10-24 | 2013-10-24 | PFA fluorine color masterbatch and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505233.2A CN104558981A (en) | 2013-10-24 | 2013-10-24 | PFA fluorine color masterbatch and production process thereof |
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| CN104558981A true CN104558981A (en) | 2015-04-29 |
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| CN201310505233.2A Pending CN104558981A (en) | 2013-10-24 | 2013-10-24 | PFA fluorine color masterbatch and production process thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479094A (en) * | 2016-10-31 | 2017-03-08 | 安徽博泰氟材料科技有限公司 | A kind of organic fluoride additive of agricultural mulching aging resistance |
| CN106700337A (en) * | 2016-12-16 | 2017-05-24 | 全椒祥瑞塑胶有限公司 | Cold-resistant compound modified plastic and preparation method thereof |
| CN107163460A (en) * | 2017-07-19 | 2017-09-15 | 日氟荣高分子材料(上海)有限公司 | A kind of coloured fluorine resin film of high temperature resistant, preparation method and the usage |
| CN107936424A (en) * | 2017-11-20 | 2018-04-20 | 安徽华美新材料科技有限公司 | A kind of PFA fluorine color masterbatch and its production technology |
| CN109877991A (en) * | 2019-03-06 | 2019-06-14 | 浙江金淳高分子材料有限公司 | A kind of production technology and its process equipment of non-woven fabrics packaging material Masterbatch |
| 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 |
| CN111716584A (en) * | 2020-05-18 | 2020-09-29 | 泰州市季氟隆塑胶制品有限公司 | Large-size PFA forming process |
Citations (3)
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|---|---|---|---|---|
| CN87103955A (en) * | 1987-05-29 | 1988-12-14 | 上海市有机氟材料研究所 | Colored masterbatch of fluor-oplastics and preparation method thereof |
| CN101560325A (en) * | 2009-05-26 | 2009-10-21 | 上海科特高分子材料有限公司 | High-temperature resistant PTC electroconductive composition, high-temperature resistant PTC device containing composition and manufacturing method thereof |
| CN101633767A (en) * | 2009-07-02 | 2010-01-27 | 江苏金工科技集团有限公司 | Centrifugal manufacturing method of PFA inside lining and PFA inside lining steel pipe |
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2013
- 2013-10-24 CN CN201310505233.2A patent/CN104558981A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87103955A (en) * | 1987-05-29 | 1988-12-14 | 上海市有机氟材料研究所 | Colored masterbatch of fluor-oplastics and preparation method thereof |
| CN101560325A (en) * | 2009-05-26 | 2009-10-21 | 上海科特高分子材料有限公司 | High-temperature resistant PTC electroconductive composition, high-temperature resistant PTC device containing composition and manufacturing method thereof |
| CN101633767A (en) * | 2009-07-02 | 2010-01-27 | 江苏金工科技集团有限公司 | Centrifugal manufacturing method of PFA inside lining and PFA inside lining steel pipe |
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| Title |
|---|
| 刘炳义: "《中国石油化工商品手册》", 31 March 2003, 中国石化出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479094A (en) * | 2016-10-31 | 2017-03-08 | 安徽博泰氟材料科技有限公司 | A kind of organic fluoride additive of agricultural mulching aging resistance |
| CN106700337A (en) * | 2016-12-16 | 2017-05-24 | 全椒祥瑞塑胶有限公司 | Cold-resistant compound modified plastic and preparation method thereof |
| CN107163460A (en) * | 2017-07-19 | 2017-09-15 | 日氟荣高分子材料(上海)有限公司 | A kind of coloured fluorine resin film of high temperature resistant, preparation method and the usage |
| CN107936424A (en) * | 2017-11-20 | 2018-04-20 | 安徽华美新材料科技有限公司 | A kind of PFA fluorine color masterbatch and its production technology |
| CN109877991A (en) * | 2019-03-06 | 2019-06-14 | 浙江金淳高分子材料有限公司 | A kind of production technology and its process equipment of non-woven fabrics packaging material Masterbatch |
| 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 |
| CN111716584A (en) * | 2020-05-18 | 2020-09-29 | 泰州市季氟隆塑胶制品有限公司 | Large-size PFA forming process |
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Application publication date: 20150429 |