CN107163460A - A kind of coloured fluorine resin film of high temperature resistant, preparation method and the usage - Google Patents
A kind of coloured fluorine resin film of high temperature resistant, preparation method and the usage Download PDFInfo
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- CN107163460A CN107163460A CN201710591891.6A CN201710591891A CN107163460A CN 107163460 A CN107163460 A CN 107163460A CN 201710591891 A CN201710591891 A CN 201710591891A CN 107163460 A CN107163460 A CN 107163460A
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- fluororesin
- coloured
- high temperature
- film
- masterbatch
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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
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0892—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms containing monomers with other atoms than carbon, hydrogen or oxygen atoms
-
- 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
- C08J2327/00—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
- C08J2327/02—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
- C08J2327/12—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
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of coloured fluorine resin film of high temperature resistant, preparation method and the usage.The film is by fluororesin and the blending of fluororesin Masterbatch, melting extrusion, casting film-forming, described fluororesin selects any one or any two or more mixtures in FEP, ETFE or ECTFE, PFA, described fluororesin Masterbatch is blended 20 50 minutes by terms of accounting for the percentage of Masterbatch gross weight 30 50% organic pigment, 45 65% fluororesin and 5 10% dispersants, granulation is obtained, and its processing temperature is 350 400 DEG C.The method that the present invention is provided, fluororesin is mixed easily, fully with fluororesin Masterbatch, only need to add a small amount of lubricant, you can curtain coating film extrusion, the coloured film energy high temperature resistant being made, available for aerospace field, the mould release membrance in aircraft wing manufacturing process.
Description
Technical field
The present invention relates to the processing technology of coloured film, and in particular to a kind of coloured fluorine resin film of high temperature resistant, its preparation
Method and purposes.
Background technology
Inorganic pigment is conventional plastic colouring agent, although its tinting strength, tinting power is poor, its heat resistance, weatherability, resistance to migration
Superior and cheap, although it often contains heavy metal, its toxicity problem causes purposes to be restricted.
Organic pigment is because its is various in style, bright in color light, tinting strength, tinting power are high, application performance is excellent, important as plastics
Toner, but its weatherability is poor, is especially unable to resist processing high temperature, the substantial amounts of lubricant of needs is directly mixed with fluororesin, and add
Work is heterogeneous into the color of coloured film, and persistence is not strong, it is impossible to meet demand of the aerospace field to coloured film.Such as aircraft
Mould release membrance in wing manufacturing process, in order to improve identification, it is necessary to which color is presented.But the environment used due to it was, it is necessary to should
Mould release membrance can bear 200 DEG C of continuous temperature in use.
Common Masterbatch or organic pigment are mixed into fluororesin pellet to be processed together, reaches more than 380, just carbonization point
Solution so that whole film all changes colour nigrescences, has carbonized particles in film surface, influence outward appearance.
Accordingly, it is desirable to provide a kind of new preparation technology prepares the coloured fluorine resin film of high temperature resistant.
The content of the invention
Present invention aim to address the high temperature resistant problem of coloured fluorine resin film, there is provided a kind of fluorine after high-temperature process
Resin Masterbatch, it can be added in fluororesin with resistance to 420 DEG C processing high temperature, a kind of coloured fluororesin of high temperature resistant is made
Film, it can bear 200 DEG C of continuous temperature in use, and colourity is persistently pure.
In order to achieve the above object, the invention provides a kind of coloured fluorine resin film of high temperature resistant, the film is by fluorine tree
Fat and the blending of fluororesin Masterbatch, melting extrusion, casting film-forming, described fluororesin are selected in FEP, ETFE or ECTFE, PFA
Any one or any two or more mixtures, described fluororesin Masterbatch is by account for the percentage of Masterbatch gross weight
The organic pigment, 45-65% fluororesin and 5-10% dispersants for counting 30-50% are blended 20-50 minutes, and granulation is obtained, and it adds
Work temperature is 350-400 DEG C, and dispersant selection melting range is 77-80 DEG C of microwax.
It is preferred that also including lubricant in the raw material of the film.
It is preferred that lubricant selection Tissuemat E or OPE.
It is preferred that the raw material components of described film are as follows：Fluororesin 90-99 parts by weight, fluororesin Masterbatch 0.5-9.5
Parts by weight, lubricant 0.5-5 parts by weight.
It is preferred that the thickness of film is 20-250 μm.
It is preferred that any one in described organic pigment selection quinacridine ketone, the blue or green class pigment of phthalein and color lake class pigment
Plant or any two or more mixture.
Present invention also offers a kind of preparation method according to the above-mentioned coloured fluorine resin film of high temperature resistant, this method bag
Contain：
Step 1, fluororesin Masterbatch is prepared：By with the fluororesin and 5-10% of 30-50% organic pigment, 45-65%
Dispersant is blended 20-50 minutes at 350-400 DEG C, and granulation obtains fluororesin Masterbatch, to account for the percentage of Masterbatch gross weight
Meter；
Step 2, the profit of 90-99 parts by weight fluororesin, 0.5-9.5 parts by weight fluororesin Masterbatch and 0.5-5 parts by weight is taken
The coloured fluorine resin film of high temperature resistant is made in lubrication prescription, blending, melting extrusion, casting film-forming.
Present invention also offers a kind of purposes according to the above-mentioned coloured fluorine resin film of high temperature resistant, the film can serve as boat
Mould release membrance in empty space industry, aircraft wing manufacturing process.
The present invention is by the way that colored pigment is mixed with fluororesin, high-temperature process, and obtained fluororesin Masterbatch is resistant to 420 and taken the photograph
Family name's degree processes high temperature, and fluororesin Masterbatch can be sufficiently mixed easily with fluororesin, and the lubricant of consuming is less, and is cast into
Film, obtained coloured film good weatherability, pure color, and persistence is good, can meet aerospace field, aircraft wing manufacture
During mould release membrance requirement.
Embodiment
The invention provides a kind of coloured fluorine resin film of high temperature resistant, it is blended by fluororesin and fluororesin Masterbatch, melted
Melt extrusion, casting film-forming, described fluororesin selects any one or any two or more in FEP, ETFE or ECTFE, PFA
Mixture, described fluororesin Masterbatch by the 30-50% in terms of accounting for the percentage of Masterbatch gross weight organic pigment, 45-
65% fluororesin and 5-10% dispersants is blended 20-50 minutes, and granulation is obtained, and its processing temperature is 350-400 DEG C, and this disperses
Agent selection melting range is 77-80 DEG C of microwax.The organic pigment is mixed through fluororesin, the fluororesin master batch being made, and is resistant to
420 degree of processing high temperature, this high temperature resistant Masterbatch can be added in fluororesin pellet, needed during casting film-forming through
High temperature Screw Extrusion is crossed, this section of processing temperature can reach 395-410 DEG C, under this condition of high temperature, and high temperature resistant Masterbatch does not have
Be carbonized blackening, effectively keeps the effect of toner.
The preparation method of the film is included：
Step 1, fluororesin Masterbatch is prepared：By with the fluororesin and 5-10% of 30-50% organic pigment, 45-65%
Dispersant is in 350-400 DEG C of blending, and granulation obtains fluororesin Masterbatch, to account in terms of the percentage of Masterbatch gross weight；
Step 2, the profit of 90-99 parts by weight fluororesin, 0.5-9.5 parts by weight fluororesin Masterbatch and 0.5-5 parts by weight is taken
The coloured fluorine resin film of high temperature resistant is made in lubrication prescription, blending, melting extrusion, casting film-forming.
Technical scheme is described further with reference to embodiments.
Embodiment 1
Prepare fluororesin Masterbatch：By so that the quinacridone of 30 parts by weight is red, 65 parts by weight FEP (perfluoroethylenepropylenes
Copolymer) and the dispersant (melting range be 77-80 DEG C of microwax) of 5 parts by weight be blended about 20 minutes at 350-400 DEG C, make
Grain obtains fluororesin Masterbatch.
Prepare the coloured fluorine resin film of high temperature resistant：Take 90 parts by weight FEP, 9.5 parts by weight fluororesin Masterbatch and 0.5 weight
The coloured fluorine resin film of high temperature resistant, the μ of thickness 20 is made in the lubricant (Tissuemat E) of part, blending, melting extrusion, casting film-forming
m。
The film pure color, uniform, soft, film surface is clean, and no scratch, surfacing, resistant is easily peelable, can be used for
Mould release membrance in aircraft wing manufacturing process；It is tack-free and sense of touch is good；After testing, the film is resistant to 200 DEG C continuously using temperature
Degree, and colourity is lasting.
Embodiment 2
Prepare fluororesin Masterbatch：By with the ETFE of the phthalocyanine blue of 40 parts by weight, 50 parts by weight, (ethylene-tetrafluoroethylene is common
Polymers) and the dispersant (melting range be 77-80 DEG C of microwax) of 10 parts by weight be blended about 20 minutes at 350-400 DEG C, make
Grain obtains fluororesin Masterbatch.
Prepare the coloured fluorine resin film of high temperature resistant：Take 99 parts by weight ETFE, 0.5 parts by weight fluororesin Masterbatch and 0.5 weight
The lubricant (OPE) of part is measured, the coloured fluorine resin film of high temperature resistant is made in blending, melting extrusion, casting film-forming, thick
80 μm of degree.
The film pure color, uniform, soft, film surface is clean, and no scratch, surfacing, resistant is easily peelable, can be used for
Mould release membrance in aircraft wing manufacturing process；It is tack-free and sense of touch is good；After testing, the film is resistant to 200 DEG C continuously using temperature
Degree, and colourity is lasting.
Embodiment 3
Prepare fluororesin Masterbatch：By with the dark green of 20 parts by weight, 25 parts by weight azarin quinacridones, 47 parts by weight
(melting range is 77-80 DEG C for PFA (tetrafluoroethene-perfluorinated alkoxy vinyl ether copolymer) and the dispersant of 8 parts by weight
Microwax) it is blended about 20 minutes at 350-400 DEG C, granulation obtains fluororesin Masterbatch.
Prepare the coloured fluorine resin film of high temperature resistant：Take 70 parts by weight PFA, the 24 parts by weight ECTFE (CTFEs of ethene one
Copolymer), lubricant (OPE and the Tissuemat E 1 of 1 parts by weight fluororesin Masterbatch and 5 parts by weight:1 mass is mixed
Close), the coloured fluorine resin film of high temperature resistant, 150 μm of thickness is made in blending, melting extrusion, casting film-forming.
The film pure color, uniform, soft, film surface is clean, and no scratch, surfacing, resistant is easily peelable, can be used for
Mould release membrance in aircraft wing manufacturing process；It is tack-free and sense of touch is good；After testing, the film is resistant to 200 DEG C continuously using temperature
Degree, and colourity is lasting.
Embodiment 4
Prepare fluororesin Masterbatch：By with 50 parts by weight 1-Nitroso-2-naphthol iron color lakes, the ETFE of 22.5 parts by weight,
22.5 parts by weight FEP's and 5 parts by weight dispersant (melting range is 77-80 DEG C of microwax) in 350-400 DEG C of blending about
20 minutes, granulation obtained fluororesin Masterbatch.
Prepare the coloured fluorine resin film of high temperature resistant：Take 45 parts by weight ETFE, 45 parts by weight FEP, 7 parts by weight fluororesin color masterbatch
Grain and the lubricant of 3 parts by weight (OPE and Tissuemat E 2:1 mass mixing), blending, melting extrusion are cast into
Film, is made the coloured fluorine resin film of high temperature resistant, 250 μm of thickness.
The film pure color, uniform, soft, film surface is clean, and no scratch, surfacing, resistant is easily peelable, can be used for
Mould release membrance in aircraft wing manufacturing process；It is tack-free and sense of touch is good；After testing, the film is resistant to 200 DEG C continuously using temperature
Degree, and colourity is lasting.
In organic pigment selection quinacridine ketone, the blue or green class pigment of phthalein and the color lake class pigment of the present invention any one or appoint
The two or more mixture of meaning.
Wherein, quinacridone-type pigments include red quinacridone, purplish red quinacridone pigment, the brown red quinacridone face of gold-tinted
Material and azarin quinacridone pigment etc., resistance to migration, light resistance and heat resistance are very excellent.
Phthalein green grass or young crops class pigment includes phthalocyanine blue and dark green, with excellent heat-resisting, fast light, weather resistance.
Color lake class pigment, mainly a small number of naphtholsulfonic acid (carboxylic acid) type of red mordant pigments, because molecular polarity is larger, has
Preferable heat endurance and high tinting strength, tinting power.
In summary, present invention also offers a kind of preparation method of the coloured fluorine resin film of high temperature resistant, this method passes through
Fluororesin Masterbatch is made in organic pigment so that (common organic pigment can be decomposed its energy resist processing high temperature, but pass through this
Organic toner of the fluororesin parcel of invention just can be with high temperature resistant)；The fluororesin Masterbatch is mixed with fluororesin, need to only be added few
Measure lubricant, you can curtain coating film extrusion, the coloured film energy high temperature resistant being made, available for aerospace field, aircraft wing
Mould release membrance in manufacturing process.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a kind of coloured fluorine resin film of high temperature resistant, it is characterised in that the film be by fluororesin and the blending of fluororesin Masterbatch,
In melting extrusion, casting film-forming, described fluororesin selection FEP, ETFE or ECTFE, PFA any one or it is any two kinds with
On mixture, described fluororesin Masterbatch by the 30-50% in terms of accounting for the percentage of Masterbatch gross weight organic pigment,
45-65% fluororesin and 5-10% dispersants is blended 20-50 minutes, and granulation is obtained, and its processing temperature is 350-400 DEG C.
2. the coloured fluorine resin film of high temperature resistant as claimed in claim 1, it is characterised in that dispersant selection melting range is
77-80 DEG C of microwax.
3. the coloured fluorine resin film of high temperature resistant as claimed in claim 1, it is characterised in that also comprising profit in the raw material of the film
Lubrication prescription.
4. the coloured fluorine resin film of high temperature resistant as claimed in claim 3, it is characterised in that the lubricant select Tissuemat E or
OPE.
5. the coloured fluorine resin film of high temperature resistant as claimed in claim 3, it is characterised in that the raw material components of described film are such as
Under：Fluororesin 90-99 parts by weight, fluororesin Masterbatch 0.5-9.5 parts by weight, lubricant 0.5-5 parts by weight.
6. the coloured fluorine resin film of high temperature resistant as claimed in claim 1, it is characterised in that the thickness of film is 20-250 μm.
7. the coloured fluorine resin film of high temperature resistant as claimed in claim 1, it is characterised in that described organic pigment selection quinoline a word used for translation
Any one or any two or more mixtures in the blue or green class pigment of pyridine ketone, phthalein and color lake class pigment.
8. a kind of preparation method of the coloured fluorine resin film of high temperature resistant according to claim 1, it is characterised in that this method
Comprising：
Step 1, fluororesin Masterbatch is prepared：By being disperseed with 30-50% organic pigment, 45-65% fluororesin and 5-10%
Agent is in 350-400 DEG C of blending, and granulation obtains fluororesin Masterbatch, to account in terms of the percentage of Masterbatch gross weight；
Step 2, the lubricant of 90-99 parts by weight fluororesin, 0.5-9.5 parts by weight fluororesin Masterbatch and 0.5-5 parts by weight is taken,
The coloured fluorine resin film of high temperature resistant is made in blending, melting extrusion, casting film-forming.
9. a kind of purposes of the coloured fluorine resin film of high temperature resistant according to claim 1, it is characterised in that the film can be used
Make the mould release membrance in aerospace field, aircraft wing manufacturing process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710591891.6A CN107163460A (en) | 2017-07-19 | 2017-07-19 | A kind of coloured fluorine resin film of high temperature resistant, preparation method and the usage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710591891.6A CN107163460A (en) | 2017-07-19 | 2017-07-19 | A kind of coloured fluorine resin film of high temperature resistant, preparation method and the usage |
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| CN201710591891.6A Pending CN107163460A (en) | 2017-07-19 | 2017-07-19 | A kind of coloured fluorine resin film of high temperature resistant, preparation method and the usage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499964A (en) * | 2020-06-22 | 2020-08-07 | 中广核高新核材科技（苏州）有限公司 | ETFE coloring master batch and application thereof |
| CN112552624A (en) * | 2020-12-11 | 2021-03-26 | 四川大学 | Method for improving processability of polychlorotrifluoroethylene resin and mechanical toughness of product thereof |
| CN113147137A (en) * | 2021-05-13 | 2021-07-23 | 日氟荣高分子材料(上海)有限公司 | Multifunctional composite material and preparation method thereof |
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| CN103497464A (en) * | 2013-10-24 | 2014-01-08 | 周志坚 | FEP fluorine color master batch and processing technique thereof |
| CN103937133A (en) * | 2014-04-02 | 2014-07-23 | 湖州森诺氟材料科技有限公司 | Individual black expanded polytetrafluoroethylene (e-PTFE) membrane used in electronics industry and preparation method thereof |
| CN104558981A (en) * | 2013-10-24 | 2015-04-29 | 深圳市万利实业有限公司 | PFA fluorine color masterbatch and production process thereof |
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| CN102532759A (en) * | 2011-12-26 | 2012-07-04 | 天津市天塑滨海氟塑料制品有限公司 | Color polytetrafluoroethylene release film and preparation method thereof |
| CN103275386A (en) * | 2013-05-30 | 2013-09-04 | 日氟荣高分子材料(上海)有限公司 | ETFE (Ethyl Tetra Fluoro Ethylene) thin film as well as preparation method and application thereof |
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| CN112552624A (en) * | 2020-12-11 | 2021-03-26 | 四川大学 | Method for improving processability of polychlorotrifluoroethylene resin and mechanical toughness of product thereof |
| CN113147137A (en) * | 2021-05-13 | 2021-07-23 | 日氟荣高分子材料(上海)有限公司 | Multifunctional composite material and preparation method thereof |
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