CN105949745A - Transparent TPU (thermoplastic polyurethane) film and preparation method and application thereof - Google Patents
Transparent TPU (thermoplastic polyurethane) film and preparation method and application thereof Download PDFInfo
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- CN105949745A CN105949745A CN201610347443.7A CN201610347443A CN105949745A CN 105949745 A CN105949745 A CN 105949745A CN 201610347443 A CN201610347443 A CN 201610347443A CN 105949745 A CN105949745 A CN 105949745A
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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
-
- 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
- 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
-
- 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
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- 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
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention provides a transparent TPU (thermoplastic polyurethane) film and a preparation method and application thereof. The transparent TPU film is prepared from, by weight, 60-70 parts of TPU particles, 25-40 parts of epoxy resin, 45-60 parts of polycarbonate particles, 5-10 parts of K glue and 5-20 parts of an antioxidant. By compatibility and synergistic effects of components of the TPU film, the TPU film is 6-8mm in transparency, 70-77MPa in tensile strength and 300-397% in elongation at break, and high transparency and excellent mechanical properties are achieved.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of transparent TPU thin film and its preparation method and application.
Background technology
TPU (Thermoplastic polyyrethane, thermoplastic polyurethane) is that a kind of novel organic polymer closes
Becoming material, properties is excellent, can substitute for rubber, soft polyvinyl chloride material PVC.TPU has the physical property of excellence, example
Such as wearability, resilience force is all better than conventional polyurethanes PU, PVC, and resistance to ag(e)ing is better than rubber, it may be said that be to substitute 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, but, the application in light guide panel material, usually because of
For its transparency by a definite limitation, some scholars are devoted to improve the transparency of TPU film at present.
CN104193957A discloses a kind of transparent TPU thin film and preparation method thereof, and described TPU film includes by weight
Following component: the polyether polyol of 20-30 part, the PEPA of 25-40 part, the polyisocyanate compound of 30-40 part and 5
～the mixture of chain extenders of 7 parts；Batch process two-step method and film-blowing process is used to prepare Polyurethane Thermoplastic Elastomer thin film.
Although the TPU film that this invention obtains has a light transmittance of more than 95%, but the much higher hard of this thin film.
Therefore, in this area, it is desirable to obtain a kind of TPU film with the high grade of transparency and good combination property.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of transparent TPU thin film and preparation method thereof and
Application.
For reaching this purpose, the present invention by the following technical solutions:
On the one hand, the present invention provides a kind of transparent TPU thin film, and described TPU film is mainly by the raw material system of following weight portion
For obtaining:
In the raw material of the transparent TPU thin film of the present invention, described TPU granule is polyester-type TPU granule and/or polyether-type
TPU granule.
In the raw material of the transparent TPU thin film of the present invention, the consumption of described TPU granule is 60-70 weight portion, such as 60 weights
Amount part, 60.5 weight portions, 61 weight portions, 61.5 weight portions, 62 weight portions, 62.5 weight portions, 63 weight portions, 63.5 weight portions,
64 weight portions, 64.5 weight portions, 65 weight portions, 65.5 weight portions, 66 weight portions, 66.5 weight portions, 67 weight portions, 67.5 weight
Part, 68 weight portions, 68.5 weight portions, 69 weight portions, 69.5 weight portions or 70 weight portions.
In the raw material of the transparent TPU thin film of the present invention, the consumption of described epoxy resin is 20-30 weight portion, such as 20
Weight portion, 21 weight portions, 22 weight portions, 23 weight portions, 24 weight portions, 25 weight portions, 26 weight portions, 27 weight portions, 28 weight
Part, 29 weight portions or 30 weight portions.
In the raw material of the transparent TPU thin film of the present invention, described polycarbonate pellets be poly-ethylenecarbonate granule and/
Or PTMC granule.
In the raw material of the transparent TPU thin film of the present invention, the consumption of described polycarbonate pellets is 30-50 weight portion, example
As 30 weight portions, 32 weight portions, 34 weight portions, 36 weight portions, 38 weight portions, 40 weight portions, 42 weight portions, 45 weight portions, 48
Weight portion or 50 weight portions.
In the raw material of the transparent TPU thin film of the present invention, the consumption of described K glue is 5-10 weight portion, such as 5 weight portions,
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 weights
Amount part or 10 weight portions.
In the raw material of the transparent TPU thin film of the present invention, the consumption of described CNT is 5-10 weight portion, 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 the transparent TPU thin film of the present invention, the consumption of described antioxidant is 5-20 weight portion, such as 5 weight
Part, 7 weight portions, 9 weight portions, 10 weight portions, 12 weight portions, 14 weight portions, 16 weight portions, 18 weight portions, 19 weight portions or 20
Weight portion.
On the other hand, the invention provides the preparation method of transparent TPU thin film as described in relation to the first aspect, described method is
Being pre-dried by each material composition, mix homogeneously, extrusion obtains described transparent TPU thin film.
In the preparation method of transparent TPU thin film of the present invention, described baking temperature is 60-70 DEG C, such as 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, such as 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 TPU thin film of the present invention, described extrusion utilizes casting machine to extrude.
Preferably, each section of temperature of described casting machine is provided that barrel temperature is 120-125 DEG C；Filter screen temperature is
130-150℃；Elbow temperature is 140-160 DEG C；Connect temperature and be 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 TPU thin film of the present invention comprises the following steps:
Each material composition is dried in advance at 60-70 DEG C 2-4h, mix homogeneously, extrudes through casting machine, casting machine each
Duan Wendu is provided that 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 described transparent TPU thin film.
Relative to prior art, the method have the advantages that
The present invention utilizes 60-70 weight portion TPU granule, 20-30 parts by weight epoxy resin, 30-50 weight part polycarbonate
Granule, 5-10 weight portion K glue, 5-10 parts by weight of carbon nanotubes and 5-20 weight portion antioxidant prepare TPU film.TPU is thin
Cooperating between each raw material components of film, synergism so that the transparency of TPU film is 6-8mm, hot strength is 70-
77MPa, elongation at break is 300-397%, it is thus achieved that higher transparency and good mechanical performance.
Detailed description of the invention
Technical scheme is further illustrated below by detailed description of the invention.Those skilled in the art should be bright
, the only help of described embodiment understands the present invention, is not construed as the concrete restriction to the present 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 in advance at 60 DEG C 4h, mix homogeneously, extrudes through casting machine, each section of temperature of casting machine
It is provided that barrel temperature is 120 DEG C；Filter screen temperature is 130 DEG C；Elbow temperature is 150 DEG C；Connecting temperature is 140 DEG C；Die head
Temperature is 170 DEG C, obtains described transparent TPU thin 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 in advance at 70 DEG C 2h, mix homogeneously, extrudes through casting machine, each section of temperature of casting machine
It is provided that barrel temperature is 125 DEG C；Filter screen temperature is 150 DEG C；Elbow temperature is 160 DEG C；Connecting temperature is 150 DEG C；Die head
Temperature is 180 DEG C, obtains described transparent TPU thin 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 in advance at 65 DEG C 3h, mix homogeneously, extrudes through casting machine, each section of temperature of casting machine
It is provided that barrel temperature is 125 DEG C；Filter screen temperature is 140 DEG C；Elbow temperature is 140 DEG C；Connecting temperature is 140 DEG C；Die head
Temperature is 175 DEG C, obtains described transparent TPU thin 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 in advance at 70 DEG C 3h, mix homogeneously, extrudes through casting machine, each section of temperature of casting machine
It is provided that barrel temperature is 125 DEG C；Filter screen temperature is 130 DEG C；Elbow temperature is 160 DEG C；Connecting temperature is 150 DEG C；Die head
Temperature is 180 DEG C, obtains described transparent TPU thin 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 in advance at 60 DEG C 2h, mix homogeneously, extrudes through casting machine, each section of temperature of casting machine
It is provided that barrel temperature is 120 DEG C；Filter screen temperature is 140 DEG C；Elbow temperature is 150 DEG C；Connecting temperature is 150 DEG C；Die head
Temperature is 170 DEG C, obtains described transparent TPU thin film.
Comparative example 1
This comparative example difference from Example 1 be only that raw materials used in do not comprise epoxy resin, remaining raw material is with former
Material consumption, and preparation method and condition the most same as in Example 1.
Comparative example 2
This comparative example difference from Example 1 be only that raw materials used in do not comprise polycarbonate pellets, remaining raw material
With raw material dosage, and preparation method and condition the most same as in Example 1.
Comparative example 3
This comparative example difference from Example 1 be only that raw materials used in do not comprise K glue, remaining raw material and raw material are used
Amount, and preparation method and condition the most same as in Example 1.
Comparative example 4
This comparative example difference from Example 1 is only that the consumption of raw materials used middle TPU granule is 58 weight portions, remaining
Raw material and raw material dosage, and preparation method and condition the most same as in Example 1.
Comparative example 5
This comparative example difference from Example 2 is only that the consumption of raw materials used middle TPU granule is 72 weight portions, remaining
Raw material and raw material dosage, and preparation method and condition the most same as in Example 2.
Comparative example 6
This comparative example difference from Example 1 is only that the consumption of raw materials used epoxy resin is 42 weight portions, its
Remaining raw material and raw material dosage, and preparation method and condition the most same as in Example 1.
Comparative example 7
This comparative example difference from Example 2 is only that the consumption of raw materials used epoxy resin is 24 weight portions, its
Remaining raw material and raw material dosage, and preparation method and condition the most same as in Example 2.
Comparative example 8
This comparative example difference from Example 3 is only that the consumption of raw materials used middle polycarbonate pellets is 44 weight
Part, remaining raw material and raw material dosage, and preparation method and condition are the most same as in Example 3.
Comparative example 9
This comparative example difference from Example 5 is only that the consumption of raw materials used middle polycarbonate pellets is 62 weight
Part, remaining raw material and raw material dosage, and preparation method and condition are the most same as in Example 5.
Comparative example 10
This 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 the most same as in Example 1.
Comparative example 11
This 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 the most same as in Example 5.
Comparative example 12
This comparative example difference from Example 1 be only that raw materials used in do not use CNT, remaining raw material is with former
Material consumption, and preparation method and condition the most same as in Example 1.
Comparative example 13
This comparative example difference from Example 1 is only that raw materials used middle CNT consumption is 12 weight portions, remaining
Raw material and raw material dosage, and preparation method and condition the most same as in Example 1.
Comparative example 14
This comparative example difference from Example 1 is only that raw materials used middle CNT consumption is 4 weight portions, and remaining is former
Material and raw material dosage, and preparation method and condition the most same as in Example 1.
Table 1
As can be seen from Table 1, the transparency of TPU film prepared by the present invention is 6-8mm, and hot strength is 72-77MPa,
Elongation at break is 310-395%, has good transparency and good mechanical performance.And when raw material does not comprise epoxy
Resin (comparative example 1) or do not comprise polycarbonate pellets (comparative example 2) or do not comprise K glue (comparative example 3) or do not comprise carbon nanometer
Pipe (comparative example 12) or by time outside in raw material, the consumption of certain component is limited to the scope of the present invention (comparative example 4-11 and
13-14), the transparency of the TPU film prepared is only 3-4mm, and mechanical performance also can not show a candle to the embodiment of the present invention and is prepared into
The mechanical performance of the TPU film arrived.Therefore, the present invention cooperates between each raw material components of TPU film, synergism,
TPU film is made to obtain higher transparency and good mechanical performance.
Applicant state, the present invention by above-described embodiment transparent TPU thin film that the present invention is described and preparation method thereof,
But the invention is not limited in above-described embodiment, i.e. do not mean that the present invention has to rely on above-described embodiment and could implement.Belonging to
Those skilled in the art it will be clearly understood that any improvement in the present invention, the equivalence of raw material each to product of the present invention replace and
The interpolation of auxiliary element, concrete way choice etc., within the scope of all falling within protection scope of the present invention and disclosure.
Claims (7)
1. a transparent TPU thin film, it is characterised in that described TPU film is mainly prepared by the raw material of following weight portion:
Transparent TPU thin film the most according to claim 1, it is characterised in that described TPU granule be polyester-type TPU granule and/
Or polyether-type TPU granule.
Transparent TPU thin film the most according to claim 1 and 2, it is characterised in that described polycarbonate pellets is poly-ethylidene
Carbonic ester granule and/or PTMC granule.
4. according to the preparation method of the transparent TPU thin film according to any one of claim 1-3, it is characterised in that described method
For being pre-dried by each material composition, mix homogeneously, extrusion obtains described transparent TPU thin film.
Preparation method the most according to claim 4, it is characterised in that described baking temperature is 60-70 DEG C, drying time is
2-4h。
6. according to the preparation method described in claim 4 or 5, it is characterised in that described extrusion utilizes casting machine to extrude；
Preferably, each section of temperature of described casting machine is provided that barrel temperature is 130-140 DEG C；Filter screen temperature is 140-150
℃；Elbow temperature is 150-160 DEG C；Connect temperature and be 135-150 DEG C；Die head temperature is 150-165 DEG C.
7. according to the preparation method according to any one of claim 4-6, it is characterised in that the preparation of described transparent TPU thin film
Method comprises the following steps: each material composition is dried at 60-70 DEG C 2-4h, mix homogeneously in advance, extrudes through casting machine, stream
The each section of temperature prolonging machine is provided that barrel temperature is 120-125 DEG C；Filter screen temperature is 130-150 DEG C；Elbow temperature is 140-
160℃；Connect temperature and be 140-150 DEG C；Die head temperature is 170-180 DEG C, obtains described transparent TPU thin film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610347443.7A CN105949745A (en) | 2016-05-24 | 2016-05-24 | Transparent TPU (thermoplastic polyurethane) film and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610347443.7A CN105949745A (en) | 2016-05-24 | 2016-05-24 | Transparent TPU (thermoplastic polyurethane) film and preparation method and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106751716A (en) * | 2016-11-18 | 2017-05-31 | 无锡明盛纺织机械有限公司 | A kind of transparent antistatic TPU film and its preparation method and application |
| CN107177193A (en) * | 2017-06-30 | 2017-09-19 | 周远华 | A kind of transparent antistatic TPU film and its preparation method and application |
| WO2018182289A3 (en) * | 2017-03-27 | 2018-11-22 | 주식회사 엘지화학 | Thermoplastic polyurethane film and preparation method therefor |
| CN110885550A (en) * | 2019-11-29 | 2020-03-17 | 东莞市吉鑫高分子科技有限公司 | Organic silicon modified thermoplastic polyurethane elastomer and preparation method thereof |
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| CN104379643A (en) * | 2012-06-27 | 2015-02-25 | 拜耳材料科技股份有限公司 | Dielectric polyurethane film |
| CN104987701A (en) * | 2015-07-22 | 2015-10-21 | 东莞市雄林新材料科技股份有限公司 | Electrostrictive TPU film and preparation method and application thereof |
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| WO2008048705A2 (en) * | 2006-03-10 | 2008-04-24 | Goodrich Corporation | Low density lightning strike protection for use in airplanes |
| CN104379643A (en) * | 2012-06-27 | 2015-02-25 | 拜耳材料科技股份有限公司 | Dielectric polyurethane film |
| CN104987701A (en) * | 2015-07-22 | 2015-10-21 | 东莞市雄林新材料科技股份有限公司 | Electrostrictive TPU film and preparation method and application thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106751716A (en) * | 2016-11-18 | 2017-05-31 | 无锡明盛纺织机械有限公司 | A kind of transparent antistatic TPU film and its preparation method and application |
| WO2018182289A3 (en) * | 2017-03-27 | 2018-11-22 | 주식회사 엘지화학 | Thermoplastic polyurethane film and preparation method therefor |
| TWI673303B (en) * | 2017-03-27 | 2019-10-01 | 南韓商Ｌｇ化學股份有限公司 | Thermoplastic polyurethane film and manufacturing method for the same |
| US11299624B2 (en) | 2017-03-27 | 2022-04-12 | Lg Chem, Ltd. | Thermoplastic polyurethane film and preparation method thereof |
| CN107177193A (en) * | 2017-06-30 | 2017-09-19 | 周远华 | A kind of transparent antistatic TPU film and its preparation method and application |
| CN110885550A (en) * | 2019-11-29 | 2020-03-17 | 东莞市吉鑫高分子科技有限公司 | Organic silicon modified thermoplastic polyurethane elastomer and preparation method thereof |
| CN110885550B (en) * | 2019-11-29 | 2021-09-17 | 东莞市吉鑫高分子科技有限公司 | Organic silicon modified thermoplastic polyurethane elastomer and preparation method thereof |
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