CN106751716A - A kind of transparent antistatic TPU film and its preparation method and application - Google Patents
A kind of transparent antistatic TPU film and its preparation method and application Download PDFInfo
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/52—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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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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
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
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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
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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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
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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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
- C08L2201/04—Antistatic
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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
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- 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
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention provides transparent antistatic TPU film and preparation method thereof, the present invention prepares TPU film using 40 60 weight portion TPU particles, 30 40 parts by weight epoxy resin, 10 20 weight part polycarbonate particles, 5 10 weight portion K glue and 10 15 parts by weight of carbon nanotubes, 5 10 parts by weight of glass fiber and 25 weight portion antioxidant.Cooperated between each raw material components of TPU film, synergy so that the transparency of TPU film is 6 8mm, tensile strength is 72 77MPa, elongation at break is 365 390%, obtains transparency higher, preferable antistatic property and good mechanical performance.
Description
Technical field
The invention belongs to polymeric material field, it is related to a kind of transparent antistatic TPU film and its preparation method and application.
Background technology
TPU (Thermoplastic polyyrethane, thermoplastic polyurethane) is that a kind of new organic polymer is closed
Into material, properties are excellent, can replace rubber, soft polyvinyl chloride material PVC.TPU has excellent physical property, example
Such as wearability, screen resilience is all better than conventional polyurethanes PU, PVC, and resistance to ag(e)ing be better than rubber, it may be said that be replacement PVC and PU
Optimal material, is referred to as novel polymer material in the world.
Various excellent properties based on TPU, its purposes is quite varied, however, the application in light guide panel material, usually because
A definite limitation is subject to for its transparency, current some scholars are devoted to improving the transparency of TPU film.Electrostatic charge can be
Occur on electrical insulator or the product insulated by this insulator or the person, general this is unfavorable, prejudicial or has danger
Danger.Therefore, at present, the research for anti-static material turns into focus.
CN104193957A discloses a kind of transparent TPU film and preparation method thereof, and the TPU film includes by weight
Following component：20-30 parts of PPG, 25-40 parts of PEPA, 30-40 parts of polyisocyanate compound and 5
~7 parts of mixture of chain extenders；TPUE film is obtained using batch process two-step method and film-blowing process.
Although the TPU film that the invention is obtained has more than 95% light transmittance, the excessive high hardness of the film.
CN101410444A discloses a kind of antistatic polyurethane, and it contains the antisatic additive containing ionic liquid.
The invention strengthens the antistatic property of polyurethane by the additive containing ionic liquid so that polyurethane has relatively low surface electricity
Resistance rate, but the preparation of antistatic polyurethane needs to be modified material by chemical reaction in the invention, method ratio
It is more complicated.
Therefore, in this area, how to obtain a kind of high grade of transparency and the TPU film with anti-static function is urgent need to resolve
Problem.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of transparent antistatic TPU film and its preparation
Methods and applications.
It is that, up to this purpose, the present invention uses following technical scheme：
On the one hand, the present invention provides a kind of transparent antistatic TPU film, and the TPU film is main by following weight portion
Raw material is prepared：
In the raw material of transparent antistatic TPU film of the invention, the TPU particles are polyester-type TPU particles and/or gather
Ether type TPU particles.
In the raw material of transparent antistatic TPU film of the invention, the consumption of the TPU particles is 40-60 weight portions, example
Such as 40 weight portions, 42 weight portions, 44 weight portions, 46 weight portions, 48 weight portions, 50 weight portions, 53 weight portions, 55 weight portions, 58
Weight portion or 60 weight portions.
In the raw material of transparent antistatic TPU film of the invention, the consumption of the epoxy resin is 30-40 weight portions,
Such as 30 weight portions, 31 weight portions, 32 weight portions, 33 weight portions, 34 weight portions, 35 weight portions, 36 weight portions, 37 weight portions,
38 weight portions, 39 weight portions or 40 weight portions.
In the raw material of transparent antistatic TPU film of the invention, the polycarbonate pellets are poly- ethylenecarbonate
Particle and/or PTMC particle.
In the raw material of transparent antistatic TPU film of the invention, the consumption of the polycarbonate pellets is 10-20 weight
Part, such as 10 weight portions, 11 weight portions, 12 weight portions, 13 weight portions, 14 weight portions, 15 weight portions, 16 weight portions, 17 weight
Part, 18 weight portions, 19 weight portions or 20 weight portions.
In the raw material of transparent antistatic TPU film of the invention, the consumption of the K glue is 5-10 weight portions, such as 5 weights
Amount part, 5.5 weight portions, 6 weight portions, 6.5 weight portions, 7 weight portions, 7.5 weight portions, 8 weight portions, 8.5 weight portions, 9 weight portions,
9.5 weight portions or 10 weight portions.
In the raw material of transparent antistatic TPU film of the invention, the consumption of the CNT is 10-15 weight portions,
Such as 10 weight portions, 10.5 weight portions, 11 weight portions, 11.5 weight portions, 12 weight portions, 12.5 weight portions, 13 weight portions, 13.5
Weight portion, 14 weight portions, 14.5 weight portions or 15 weight portions.
In the raw material of transparent antistatic TPU film of the invention, the consumption of glass fibre is 5-10 weight portions, such as 5
Weight portion, 5.5 weight portions, 6 weight portions, 6.5 weight portions, 7 weight portions, 7.5 weight portions, 8 weight portions, 8.5 weight portions, 9 weight
Part, 9.5 weight portions or 10 weight portions.
In the raw material of transparent antistatic TPU film of the invention, the consumption of the antioxidant is 2-5 weight portions, such as 2
Weight portion, 2.3 weight portions, 2.5 weight portions, 2.8 weight portions, 3 weight portions, 3.2 weight portions, 3.5 weight portions, 3.8 weight portions, 4
Weight portion, 4.3 weight portions, 4.5 weight portions, 4.8 weight portions or 5 weight portions.
On the other hand, it is described the invention provides the preparation method of transparent antistatic TPU film as described in relation to the first aspect
Method is that each material composition is pre-dried, and is well mixed, and extrusion obtains the transparent antistatic TPU film.
In the preparation method of transparent antistatic TPU film of the present invention, the drying temperature is 60-70 DEG C, for example
60 DEG C, 61 DEG C, 62 DEG C, 63 DEG C, 64 DEG C, 65 DEG C, 66 DEG C, 67 DEG C, 68 DEG C, 69 DEG C or 70 DEG C, drying time be 2-4h, for example
2h, 2.2h, 2.4h, 2.6h, 2.8h, 3h, 3.3h, 3.5h, 3.8h, 3.9h or 4h.
In the preparation method of transparent antistatic TPU film of the present invention, the extrusion is using casting machine extrusion.
Preferably, each section of temperature setting of the casting machine is as follows：Barrel temperature is 120-125 DEG C；Filter screen temperature is
130-150℃；Elbow temperature is 140-160 DEG C；Connection temperature is 140-150 DEG C；Die head temperature is 170-180 DEG C.
As the preferred technical solution of the present invention, the preparation method of transparent antistatic TPU film of the present invention include with
Lower step：
Each material composition at 60-70 DEG C is dried into 2-4h in advance, is well mixed, extruded through casting machine, casting machine it is each
Section temperature setting is as follows：Barrel temperature is 120-125 DEG C；Filter screen temperature is 130-150 DEG C；Elbow temperature is 140-160 DEG C；Even
Jointing temp is 140-150 DEG C；Die head temperature is 170-180 DEG C, obtains the transparent antistatic TPU film.
Relative to prior art, the invention has the advantages that：
The present invention is using 40-60 weight portion TPU particles, 30-40 parts by weight epoxy resin, 10-20 weight part polycarbonates
Particle, 5-10 weight portion K glue, 10-15 parts by weight of carbon nanotubes, 5-10 parts by weight of glass fiber and 2-5 weight portion antioxidant systems
It is standby to obtain TPU film.Cooperated between each raw material components of TPU film, synergy so that the transparency of TPU film is
6-8mm, tensile strength is 72-77MPa, and elongation at break is 365-390%, obtain transparency higher, preferably resist it is quiet
Electrical property and good mechanical performance.
Specific embodiment
Technical scheme is further illustrated below by specific embodiment.Those skilled in the art should be bright
, the embodiment be only to aid in understand the present invention, be not construed as to concrete restriction of the invention.
Embodiment 1
In the present embodiment, TPU film is mainly prepared by the raw material of following weight portion：
Each material composition is dried into 4h at 60 DEG C in advance, is well mixed, extruded through casting machine, each section of temperature of casting machine
Set as follows：Barrel temperature is 120 DEG C；Filter screen temperature is 130 DEG C；Elbow temperature is 150 DEG C；Connection temperature is 140 DEG C；Die head
Temperature is 170 DEG C, obtains the transparent antistatic TPU film.
Embodiment 2
In the present embodiment, TPU film is mainly prepared by the raw material of following weight portion：
Each material composition is dried into 2h at 70 DEG C in advance, is well mixed, extruded through casting machine, each section of temperature of casting machine
Set as follows：Barrel temperature is 125 DEG C；Filter screen temperature is 150 DEG C；Elbow temperature is 160 DEG C；Connection temperature is 150 DEG C；Die head
Temperature is 180 DEG C, obtains the transparent antistatic TPU film.
Embodiment 3
In the present embodiment, TPU film is mainly prepared by the raw material of following weight portion：
Each material composition is dried into 3h at 65 DEG C in advance, is well mixed, extruded through casting machine, each section of temperature of casting machine
Set as follows：Barrel temperature is 125 DEG C；Filter screen temperature is 140 DEG C；Elbow temperature is 140 DEG C；Connection temperature is 140 DEG C；Die head
Temperature is 175 DEG C, obtains the transparent antistatic TPU film.
Embodiment 4
In the present embodiment, TPU film is mainly prepared by the raw material of following weight portion：
Each material composition is dried into 3h at 70 DEG C in advance, is well mixed, extruded through casting machine, each section of temperature of casting machine
Set as follows：Barrel temperature is 125 DEG C；Filter screen temperature is 130 DEG C；Elbow temperature is 160 DEG C；Connection temperature is 150 DEG C；Die head
Temperature is 180 DEG C, obtains the transparent antistatic TPU film.
Embodiment 5
In the present embodiment, TPU film is mainly prepared by the raw material of following weight portion：
Each material composition is dried into 2h at 60 DEG C in advance, is well mixed, extruded through casting machine, each section of temperature of casting machine
Set as follows：Barrel temperature is 120 DEG C；Filter screen temperature is 140 DEG C；Elbow temperature is 150 DEG C；Connection temperature is 150 DEG C；Die head
Temperature is 170 DEG C, obtains the transparent antistatic TPU film.
Comparative example 1
The comparative example difference from Example 1 be only that it is raw materials used in not comprising polycarbonate pellets and K glue, remaining
Raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 2
The comparative example difference from Example 1 be only that it is raw materials used in not comprising polycarbonate pellets, K glue consumptions are
23 weight portions, remaining raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 3
The comparative example difference from Example 1 be only that it is raw materials used in not comprising K glue, polycarbonate pellets consumption is
23 weight portions, remaining raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 4
The comparative example difference from Example 1 be only that it is raw materials used in not comprising CNT and glass fibre, its
Remaining raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 5
The comparative example difference from Example 1 be only that it is raw materials used in not comprising CNT, the use of glass fibre
It is 15 weight portions to measure, remaining raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 6
The comparative example difference from Example 1 be only that it is raw materials used in not comprising glass fibre, the use of CNT
It is 15 weight portions to measure, remaining raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 7
The comparative example difference from Example 1 is only that the consumption of raw materials used middle TPU particles is 35 weight portions, remaining
Raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 8
The comparative example difference from Example 2 is only that the consumption of raw materials used middle TPU particles is 65 weight portions, remaining
Raw material and raw material dosage, and preparation method and condition it is same as Example 2.
Comparative example 9
The comparative example difference from Example 1 is only that the consumption of raw materials used epoxy resin is 28 weight portions, its
Remaining raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 10
The comparative example difference from Example 2 is only that the consumption of raw materials used epoxy resin is 43 weight portions, its
Remaining raw material and raw material dosage, and preparation method and condition it is same as Example 2.
Comparative example 11
The comparative example difference from Example 3 is only that the consumption of raw materials used middle polycarbonate pellets is 8 weight portions,
Remaining raw material and raw material dosage, and preparation method and condition it is same as Example 3.
Comparative example 12
The comparative example difference from Example 5 is only that the consumption of raw materials used middle polycarbonate pellets is 22 weight
Part, remaining raw material and raw material dosage, and preparation method and condition it is same as Example 5.
Comparative example 13
The comparative example difference from Example 1 is only that the consumption of raw materials used middle K glue is 4 weight portions, remaining raw material
With raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 14
The comparative example difference from Example 5 is only that the consumption of raw materials used middle K glue is 11 weight portions, remaining raw material
With raw material dosage, and preparation method and condition it is same as Example 5.
Comparative example 15
The comparative example difference from Example 1 is only that raw materials used middle CNT consumption for 8 weight portions, and remaining is former
Material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 16
The comparative example difference from Example 1 is only that raw materials used middle CNT consumption for 17 weight portions, remaining
Raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 17
The comparative example difference from Example 1 is only that raw materials used middle glass fibre consumption for 3 weight portions, and remaining is former
Material and raw material dosage, and preparation method and condition it is same as Example 1.
Comparative example 18
The comparative example difference from Example 1 is only that raw materials used middle glass fibre consumption for 13 weight portions, remaining
Raw material and raw material dosage, and preparation method and condition it is same as Example 1.
Table 1
| Transparency/mm | Tensile strength/MPa | Elongation at break/% | Surface resistivity (Ω) | |
| Embodiment 1 | 8 | 72 | 380 | 3×106 |
| Embodiment 2 | 6 | 73 | 355 | 5×106 |
| Embodiment 3 | 7 | 76 | 375 | 6×106 |
| Embodiment 4 | 6 | 77 | 390 | 4×106 |
| Embodiment 5 | 7 | 75 | 365 | 1×106 |
| Comparative example 1 | 3 | 41 | 126 | 3×107 |
| Comparative example 2 | 3 | 38 | 131 | 1×107 |
| Comparative example 3 | 4 | 32 | 152 | 2×107 |
| Comparative example 4 | 5 | 34 | 154 | 3×109 |
| Comparative example 5 | 6 | 38 | 145 | 1×108 |
| Comparative example 6 | 5 | 41 | 174 | 3×108 |
| Comparative example 7 | 3 | 43 | 169 | 1×106 |
| Comparative example 8 | 3 | 42 | 168 | 8×106 |
| Comparative example 9 | 4 | 38 | 159 | 7×106 |
| Comparative example 10 | 3 | 40 | 162 | 6×106 |
| Comparative example 11 | 4 | 41 | 163 | 4×106 |
| Comparative example 12 | 3 | 32 | 160 | 5×106 |
| Comparative example 13 | 4 | 38 | 165 | 5×106 |
| Comparative example 14 | 4 | 39 | 167 | 6×106 |
| Comparative example 15 | 6 | 42 | 170 | 7×108 |
| Comparative example 16 | 7 | 45 | 173 | 3×108 |
| Comparative example 17 | 6 | 43 | 174 | 4×108 |
| Comparative example 18 | 6 | 46 | 171 | 3×108 |
As can be seen from Table 1, the transparency of TPU film prepared by the present invention is 6-8mm, and tensile strength is 72-77MPa,
Elongation at break is 365-390%, with good transparency and good mechanical performance.And work as in raw material not comprising poly- carbon
When acid esters particle and K glue one or both of which (comparative example 1-3), the transparency only 3-4mm of the TPU film for preparing,
Mechanical performance also can not show a candle to the mechanical performance of the TPU film that the embodiment of the present invention is prepared.By embodiment 1 and comparative example 1-3
Contrast can show that polycarbonate pellets and K glue have synergy in terms of the transparency of product is improved.
When CNT and glass fibre is not included in raw material (such as comparative example 4-6), the TPU film for preparing
Surface resistivity is significantly higher than the surface resistivity of the TPU film of present invention preparation, and it is seen that CNT and glass
Fiber is reducing the surface resistivity of product, and improving has synergy on the antistatic property of product.
When the consumption of the raw material that the present invention is used is excessive or very few can influence be produced (for example to some performances of material
Comparative example 7-18), therefore, cooperated between each raw material components of TPU film in the present invention, synergy so that TPU film
Obtain transparency higher, preferable antistatic property and good mechanical performance.
Applicant states that the present invention illustrates transparent antistatic TPU film of the invention and its system by above-described embodiment
Preparation Method, but the invention is not limited in above-described embodiment, that is, do not mean that the present invention has to rely on above-described embodiment ability real
Apply.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention, to the equivalent of each raw material of product of the present invention
Replacement and addition, the selection of concrete mode of auxiliary element etc., within the scope of all falling within protection scope of the present invention and disclosing.
Claims (7)
1. a kind of transparent antistatic TPU film, it is characterised in that prepared by the main raw material by following weight portion of the TPU film
Obtain：
2. transparent antistatic TPU film according to claim 1, it is characterised in that the TPU particles are polyester-type TPU
Particle and/or polyether-type TPU particles.
3. transparent antistatic TPU film according to claim 1 and 2, it is characterised in that the polycarbonate pellets are poly-
Ethylenecarbonate particle and/or PTMC particle.
4. the preparation method of the transparent antistatic TPU film according to any one of claim 1-3, it is characterised in that institute
The method of stating is that each material composition is pre-dried, and is well mixed, and extrusion obtains the transparent antistatic TPU film.
5. preparation method according to claim 4, it is characterised in that the drying temperature is 60-70 DEG C, drying time is
2-4h。
6. the preparation method according to claim 4 or 5, it is characterised in that the extrusion is extruded using casting machine；
Preferably, each section of temperature setting of the casting machine is as follows：Barrel temperature is 130-140 DEG C；Filter screen temperature is 140-150
℃；Elbow temperature is 150-160 DEG C；Connection temperature is 135-150 DEG C；Die head temperature is 150-165 DEG C.
7. the preparation method according to any one of claim 4-6, it is characterised in that the transparent antistatic TPU film
Preparation method comprise the following steps：Each material composition is dried into 2-4h at 60-70 DEG C in advance, is well mixed, through casting machine
Extrusion, each section of temperature setting of casting machine is as follows：Barrel temperature is 120-125 DEG C；Filter screen temperature is 130-150 DEG C；Elbow temperature
Spend is 140-160 DEG C；Connection temperature is 140-150 DEG C；Die head temperature is 170-180 DEG C, obtains the transparent antistatic TPU thin
Film.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177193A (en) * | 2017-06-30 | 2017-09-19 | 周远华 | A kind of transparent antistatic TPU film and its preparation method and application |
| CN108587120A (en) * | 2017-12-21 | 2018-09-28 | 东莞市雄林新材料科技股份有限公司 | A kind of TPU film and preparation method thereof with infrared Absorption function |
| CN112341791A (en) * | 2020-09-21 | 2021-02-09 | 江苏鑫易达新材料科技有限公司 | TPU embossed film for high-temperature-resistant anti-sticking clothes and preparation method thereof |
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| CN112341791A (en) * | 2020-09-21 | 2021-02-09 | 江苏鑫易达新材料科技有限公司 | TPU embossed film for high-temperature-resistant anti-sticking clothes and preparation method thereof |
| CN112341791B (en) * | 2020-09-21 | 2022-06-07 | 江苏鑫易达新材料科技有限公司 | TPU embossed film for high-temperature-resistant anti-sticking clothes and preparation method thereof |
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