CN105086427A - Thermal insulation and sound-absorbing noise reduction TPU film and preparation method thereof - Google Patents
Thermal insulation and sound-absorbing noise reduction TPU film and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a thermal insulation and sound-absorbing noise reduction TPU film and a preparation method thereof. The TPU film is prepared from, by weight, 75-85 parts of TPU particles, 15-20 parts of polycarbodiimide, 10-25 parts of epoxy resin, 30-40 parts of ceramsite, 20-40 parts of perlite and 5-10 parts of an antioxidant. The TPU film has good thermal insulation and sound-absorbing noise reduction performances, good mechanical properties, and wide application prospects.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film and preparation method thereof.
Background technology
Along with the development of industrial production, communications and transportation, urban architecture, and the increase of the density of population, increasing of home amenity (sound equipment, air-conditioning, televisor etc.), neighbourhood noise is day by day serious, and it has become the large public hazards polluting human society environment.Noise not only can affect hearing, but also has a negative impact to the cardiovascular systems of people, neural system, endocrine system.Therefore, the demand for absorbing sound and lowering noise, heat-insulating heat-preserving material increases greatly.
Polyurethane Thermoplastic Elastomer (TPU), because of its distinctive good characteristic, has been widely used in every profession and trade, and along with the development of technology, many industry requirement TPU film have sound-absorbing and heat insulation function.
CN104262945A discloses a kind of fire-retardant sound-absorbing TPU film and preparation method thereof, described TPU film comprises following component by weight: TPU particle 60-80 part, trimeric cyanamide 20-30 part, talcum 1-10 part, barium sulfate 1-10 part and auxiliary agent 1-3 part, the TPU film that this invention obtains has excellent flame retardant resistance, sound absorbing coefficient reaches 0.90-0.93, but this TPU film does not have outstanding heat insulation effect.
CN204169125U discloses a kind of foaming TPU film with good heat preservation effect, it is characterized in that comprising TPU membrane (1), foaming TPU film (2) and weaving face fabric (3), described TPU membrane (1) and weaving face fabric (3) are separately positioned on the upper and lower surface of foaming TPU film (2).Although the utility model obtains the foaming TPU film of good heat preservation effect, this film does not have outstanding absorbing sound and lowering noise performance.
Therefore, in this area, expect that exploitation one both had heat preservation and insulation, there is again the TPU film of absorbing sound and lowering noise performance.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film and preparation method thereof.
For reaching this object, the present invention by the following technical solutions:
The invention provides a kind of heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film, described TPU film prepares primarily of the raw material of following weight part:
In the raw material of heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film, the consumption of described TPU particle is 75-85 weight part, such as 75 weight parts, 76 weight parts, 77 weight parts, 78 weight parts, 79 weight parts, 80 weight parts, 81 weight parts, 82 weight parts, 83 weight parts, 84 weight parts or 85 weight parts.
Preferably, described TPU particle is polyester type TPU particle and/or polyether-type TPU particle.
In the raw material of heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film, the consumption of described polycarbodiimide is 15-20 weight part, such as 15 weight parts, 15.5 weight parts, 16 weight parts, 16.5 weight parts, 17 weight parts, 17.5 weight parts, 18 weight parts, 18.5 weight parts, 19 weight parts, 19.5 weight parts or 20 weight parts.
In the raw material of heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film, the consumption of described epoxy resin is 10-25 weight part, such as 10 weight parts, 12 weight parts, 14 weight parts, 15 weight parts, 17 weight parts, 20 weight parts, 21 weight parts, 22 weight parts, 23 weight parts, 24 weight parts or 25 weight parts.
Preferably, described epoxy resin is the mixture of a kind of in bisphenol A type epoxy resin, brominated bisphenol a type epoxy resin or phenol aldehyde type epoxy resin or at least two kinds.
In the raw material of heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film, the consumption of described haydite is 30-40 weight part, such as 30 weight parts, 31 weight parts, 32 weight parts, 33 weight parts, 34 weight parts, 35 weight parts, 36 weight parts, 37 weight parts, 38 weight parts, 39 weight parts or 40 weight parts.
In the raw material of heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film, described perlitic consumption is 20-40 weight part, such as 20 weight parts, 22 weight parts, 24 weight parts, 26 weight parts, 28 weight parts, 30 weight parts, 32 weight parts, 34 weight parts, 36 weight parts, 38 weight parts or 40 weight parts.
Haydite and perlite synergy can strengthen heat-insulation and heat-preservation and the absorbing sound and lowering noise function of TPU film in the present invention.
In the raw material of heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film, the consumption of described oxidation inhibitor is 5-10 weight part, such as 5 weight parts, 5.3 weight parts, 5.5 weight parts, 5.8 weight parts, 6 weight parts, 6.3 weight parts, 6.5 weight parts, 6.8 weight parts, 7 weight parts, 7.4 weight parts, 7.8 weight parts, 8 weight parts, 8.3 weight parts, 8.5 weight parts, 8.8 weight parts, 9 weight parts, 9.3 weight parts, 9.5 weight parts, 9.8 weight parts or 10 weight parts.
Preferably, described oxidation inhibitor is the mixture of any one or at least two kinds in antioxidant 1010, antioxidant 1076, antioxidant 264, oxidation inhibitor TPP or antioxidant TNP.
On the other hand, the invention provides the preparation method of heat-insulation and heat-preservation as described in relation to the first aspect and absorbing sound and lowering noise TPU film, said method comprising the steps of:
(1) perlite is pulverized;
(2) perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor are mixed;
(3) mixture that step (2) obtains is extruded obtain described heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film.
In the preparation method of heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film, perlite powder is broken to 150-200 order by step (1), such as 150 orders, 155 orders, 160 orders, 165 orders, 170 orders, 175 orders, 180 orders, 185 orders, 190 orders, 195 orders or 200 orders.
In the preparation method of heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film, before step (2) described mixing, perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor are carried out dry in advance, described drying temperature is 100-110 DEG C, such as 100 DEG C, 101 DEG C, 102 DEG C, 103 DEG C, 104 DEG C, 105 DEG C, 106 DEG C, 107 DEG C, 108 DEG C, 109 DEG C or 110 DEG C, time of drying is 1-3h, such as 1h, 1.2h, 1.4h, 1.6h, 1.8h, 2h, 2.2h, 2.4h, 2.6h, 2.8h or 3h.
In the preparation method of heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film, extrude described in step (3) and utilize casting machine to extrude.
Preferably, each section of temperature of described casting machine arranges as follows: barrel temperature is 150-210 DEG C; Filter screen temperature is 150-190 DEG C; Elbow temperature is 180-220 DEG C; Connection temperature is 180-210 DEG C; Die head temperature is 190-230 DEG C.
As the preferred technical solution of the present invention, the preparation method of described heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film comprises the following steps:
(1) perlite powder is broken to 150-200 order;
(2) by the perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor in advance at 100-110 DEG C, dry 1-3h, mixes;
(3) extruded through casting machine by the mixture that step (2) obtains, each section of temperature of casting machine arranges as follows: barrel temperature is 150-210 DEG C; Filter screen temperature is 150-190 DEG C; Elbow temperature is 180-220 DEG C; Connection temperature is 180-210 DEG C; Die head temperature is 190-230 DEG C, obtains described heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film.
Relative to prior art, the present invention has following beneficial effect:
The present invention utilizes 75-85 weight part TPU particle, 15-20 weight part polycarbodiimide, 10-25 parts by weight epoxy resin, 30-40 weight part haydite, 20-40 weight part perlite and 5-10 weight part oxidation inhibitor prepare TPU film, the sound absorbing coefficient of this TPU film is 0.94-0.97, there is good absorbing sound and lowering noise performance, thermal conductivity is 0.02-0.05W/mk, there is good heat preservation and insulation, in addition, the tensile strength of TPU film prepared by the present invention is 60-66MPa, elongation at break is 596.87-625.31%, tear strength is 139-145MPa, there is good mechanical property.Therefore, the TPU film that the present invention prepares is the good heat-insulation and heat-preservation of a kind of over-all properties and absorbing sound and lowering noise TPU film, has broad application prospects.
Embodiment
Technical scheme of the present invention is further illustrated below by embodiment.Those skilled in the art should understand, described embodiment is only help to understand the present invention, should not be considered as concrete restriction of the present invention.
Embodiment 1
In the present embodiment, TPU film is prepared by following raw material:
Preparation method is as follows:
Just perlite powder is broken to 150 orders, then by the perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor dry 3h at 100 DEG C in advance, then mix, extrude through casting machine, each section of temperature of casting machine arranges as follows: barrel temperature is 150 DEG C; Filter screen temperature is 160 DEG C; Elbow temperature is 180 DEG C; Connecting temperature is 190 DEG C; Die head temperature is 190 DEG C, obtains TPU film.
Embodiment 2
In the present embodiment, TPU film is prepared by following raw material:
Preparation method is as follows:
Just perlite powder is broken to 200 orders, then by the perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor dry 1h at 110 DEG C in advance, then mix, extrude through casting machine, each section of temperature of casting machine arranges as follows: barrel temperature is 210 DEG C; Filter screen temperature is 190 DEG C; Elbow temperature is 220 DEG C; Connecting temperature is 210 DEG C; Die head temperature is 230 DEG C, obtains TPU film.
Embodiment 3
In the present embodiment, TPU film is prepared by following raw material:
Preparation method is as follows:
Just perlite powder is broken to 180 orders, then by the perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor dry 2h at 105 DEG C in advance, then mix, extrude through casting machine, each section of temperature of casting machine arranges as follows: barrel temperature is 190 DEG C; Filter screen temperature is 150 DEG C; Elbow temperature is 200 DEG C; Connecting temperature is 180 DEG C; Die head temperature is 220 DEG C, obtains TPU film.
Embodiment 4
In the present embodiment, TPU film is prepared by following raw material:
Preparation method is as follows:
Just perlite powder is broken to 200 orders, then by the perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor dry 1h at 100 DEG C in advance, then mix, extrude through casting machine, each section of temperature of casting machine arranges as follows: barrel temperature is 200 DEG C; Filter screen temperature is 180 DEG C; Elbow temperature is 210 DEG C; Connecting temperature is 210 DEG C; Die head temperature is 230 DEG C, obtains TPU film.
Embodiment 5
In the present embodiment, TPU film is prepared by following raw material:
Preparation method is as follows:
Just perlite powder is broken to 150 orders, then by the perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor dry 3h at 110 DEG C in advance, then mix, extrude through casting machine, each section of temperature of casting machine arranges as follows: barrel temperature is 180 DEG C; Filter screen temperature is 190 DEG C; Elbow temperature is 220 DEG C; Connecting temperature is 180 DEG C; Die head temperature is 230 DEG C, obtains TPU film.
Comparative example 1
The difference of this comparative example and embodiment 1 is only to prepare in the raw material of TPU film and does not comprise haydite and perlite, all the other raw materials and raw material dosage and preparation method all identical with embodiment 1 with condition.
Comparative example 2
The difference of this comparative example and embodiment 1 is only to prepare in the raw material of TPU film and does not comprise haydite, and perlitic consumption is 75 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 1 with condition.
Comparative example 3
The difference of this comparative example and embodiment 1 is only to prepare in the raw material of TPU film and does not comprise perlite, and the consumption of haydite is 75 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 1 with condition.
Comparative example 4
The consumption that the difference of this comparative example and embodiment 1 is only to prepare TPU particle in the raw material of TPU film is 73 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 1 with condition.
Comparative example 5
The consumption that the difference of this comparative example and embodiment 2 is only to prepare TPU particle in the raw material of TPU film is 86 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 2 with condition.
Comparative example 6
The consumption that the difference of this comparative example and embodiment 2 is only to prepare polycarbodiimide in the raw material of TPU film is 14 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 2 with condition.
Comparative example 7
The consumption that the difference of this comparative example and embodiment 3 is only to prepare polycarbodiimide in the raw material of TPU film is 22 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 3 with condition.
Comparative example 8
The difference of this comparative example and embodiment 2 is only that the consumption of the raw material epoxy resin preparing TPU film is 9 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 2 with condition.
Comparative example 9
The difference of this comparative example and embodiment 3 is only that the consumption of the raw material epoxy resin preparing TPU film is 26 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 3 with condition.
Comparative example 10
The consumption that the difference of this comparative example and embodiment 4 is only to prepare haydite in the raw material of TPU film is 42 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 4 with condition.
Comparative example 11
The consumption that the difference of this comparative example and embodiment 5 is only to prepare haydite in the raw material of TPU film is 28 weight parts, all the other raw materials and raw material dosage and preparation method all identical with embodiment 5 with condition.
Comparative example 12
It is 41 weight parts that the difference of this comparative example and embodiment 1 is only to prepare perlitic consumption in the raw material of TPU film, all the other raw materials and raw material dosage and preparation method all identical with embodiment 1 with condition.
Comparative example 13
It is 18 weight parts that the difference of this comparative example and embodiment 3 is only to prepare perlitic consumption in the raw material of TPU film, all the other raw materials and raw material dosage and preparation method all identical with embodiment 3 with condition.
Carry out performance test to TPU film prepared by embodiment 1-5 and comparative example 1-13, test result is as shown in table 1:
Table 1
As can be seen from Table 1, the sound absorbing coefficient of TPU film (embodiment 1-5) prepared by the present invention is 0.94-0.97, there is good absorbing sound and lowering noise performance, thermal conductivity is 0.02-0.05W/mk, has good heat-insulation and heat-preservation, in addition, the tensile strength of TPU film prepared by the present invention is 60-66MPa, elongation at break is 596.87-625.31%, and tear strength is 139-145MPa, has good mechanical property.
When not comprising haydite and perlite in preparation TPU film raw material (comparative example 1), the sound absorbing coefficient of the TPU film obtained is only 0.28, and thermal conductivity is 0.09W/mk; When not comprising haydite in the raw material preparing TPU film (comparative example 2), although owing to making the sound absorbing coefficient of TPU film increase to some extent perlitic adding, be also only 0.45, because the perlitic thermal conductivity that adds is reduced to 0.082W/mk; When not comprising perlite in the raw material preparing TPU film (comparative example 3), because adding of haydite makes the sound absorbing coefficient of TPU film increase to some extent, but be also only 0.52, because the thermal conductivity that adds of haydite is reduced to 0.081W/mk; And add haydite and perlite simultaneously, and when each raw material dosage is limited within the scope of the present invention (embodiment 1), but the sound absorbing coefficient of TPU film can be made to be increased to 0.95, thermal conductivity is reduced to 0.02W/mk, therefore, haydite and perlite are improving TPU film heat-insulation and heat-preservation and absorbing sound and lowering noise aspect of performance have synergy.In addition, cooperatively interact between each feed composition of the present invention and achieve the good TPU film of over-all properties, when the consumption of certain component in the raw material preparing TPU film too much or very few time (comparative example 4-13), heat preservation and insulation, the absorbing sound and lowering noise performance of TPU film of preparation, and the performance of TPU film that mechanical property is prepared less than the present invention all far away.
Therefore, the TPU film that the present invention utilizes 75-85 weight part TPU particle, 15-20 weight part polycarbodiimide, 10-25 parts by weight epoxy resin, 30-40 weight part haydite, 20-40 weight part perlite and 5-10 weight part oxidation inhibitor to prepare, there is good heat-insulation and heat-preservation and absorbing sound and lowering noise performance, and good mechanical property, application prospect is very wide.
Applicant states, the present invention illustrates heat-insulation and heat-preservation of the present invention and absorbing sound and lowering noise TPU film and preparation method thereof by above-described embodiment, but the present invention is not limited to above-described embodiment, does not namely mean that the present invention must rely on above-described embodiment and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (9)
1. heat-insulation and heat-preservation and an absorbing sound and lowering noise TPU film, is characterized in that, described TPU film prepares primarily of the raw material of following weight part:
2. heat-insulation and heat-preservation according to claim 1 and absorbing sound and lowering noise TPU film, is characterized in that, described TPU particle is polyester type TPU particle and/or polyether-type TPU particle.
3. heat-insulation and heat-preservation according to claim 1 and 2 and absorbing sound and lowering noise TPU film, is characterized in that, described epoxy resin is the mixture of a kind of in bisphenol A type epoxy resin, brominated bisphenol a type epoxy resin or phenol aldehyde type epoxy resin or at least two kinds.
4. the heat-insulation and heat-preservation according to any one of claim 1-3 and absorbing sound and lowering noise TPU film, it is characterized in that, described oxidation inhibitor is the mixture of any one or at least two kinds in antioxidant 1010, antioxidant 1076, antioxidant 264, oxidation inhibitor TPP or antioxidant TNP.
5. the preparation method of the heat-insulation and heat-preservation according to any one of claim 1-4 and absorbing sound and lowering noise TPU film, is characterized in that, said method comprising the steps of:
(1) perlite is pulverized;
(2) perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor are mixed;
(3) mixture that step (2) obtains is extruded obtain described heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film.
6. preparation method according to claim 5, is characterized in that, perlite powder is broken to 150-200 order by step (1).
7. the preparation method according to claim 5 or 6, it is characterized in that, before step (2) described mixing, perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor are carried out dry in advance, described drying temperature is 100-110 DEG C, and time of drying is 1-3h.
8. the preparation method according to any one of claim 5-7, is characterized in that, extrudes and utilize casting machine to extrude described in step (3);
Preferably, each section of temperature of described casting machine arranges as follows: barrel temperature is 150-210 DEG C; Filter screen temperature is 150-190 DEG C; Elbow temperature is 180-220 DEG C; Connection temperature is 180-210 DEG C; Die head temperature is 190-230 DEG C.
9. the preparation method according to any one of claim 5-8, is characterized in that, the preparation method of described heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film comprises the following steps:
(1) perlite powder is broken to 150-200 order;
(2) by the perlite after shattering and TPU particle, polycarbodiimide, epoxy resin, haydite and oxidation inhibitor in advance at 100-110 DEG C, dry 1-3h, mixes;
(3) extruded through casting machine by the mixture that step (2) obtains, each section of temperature of casting machine arranges as follows: barrel temperature is barrel temperature is 150-210 DEG C; Filter screen temperature is 150-190 DEG C; Elbow temperature is 180-220 DEG C; Connection temperature is 180-210 DEG C; Die head temperature is 190-230 DEG C, obtains described heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film.
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| CN105482436A (en) * | 2015-12-01 | 2016-04-13 | 武汉大学 | Biomass-power-plant-ash-based polyurethane sound absorption noise reduction material |
| CN105924933A (en) * | 2016-05-23 | 2016-09-07 | 无锡市嘉邦电力管道厂 | Heat-insulation-preservation and sound-absorption-noise-reduction TPU film and preparing method thereof |
| CN106046760A (en) * | 2016-05-31 | 2016-10-26 | 陕西科技大学 | Anti-impact and anti-corrosion polyurethane protective film and preparation method and application thereof |
| CN106433097A (en) * | 2016-09-30 | 2017-02-22 | 无锡市明盛强力风机有限公司 | TPU (thermoplastic polyurethane) film with thermal insulation, sound insulation and noise reduction properties and preparation method of TPU film |
| CN106497013A (en) * | 2016-11-18 | 2017-03-15 | 无锡明盛纺织机械有限公司 | A kind of heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film and preparation method thereof |
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| CN115895238A (en) * | 2022-12-10 | 2023-04-04 | 昆山红苹果塑胶新材料有限公司 | High-temperature-resistant TPU (thermoplastic polyurethane) film and preparation process thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105482436A (en) * | 2015-12-01 | 2016-04-13 | 武汉大学 | Biomass-power-plant-ash-based polyurethane sound absorption noise reduction material |
| CN105482436B (en) * | 2015-12-01 | 2018-04-20 | 武汉大学 | A kind of biomass power plant ash based polyurethanes sound absorption and noise reduction material |
| CN105924933A (en) * | 2016-05-23 | 2016-09-07 | 无锡市嘉邦电力管道厂 | Heat-insulation-preservation and sound-absorption-noise-reduction TPU film and preparing method thereof |
| CN106046760A (en) * | 2016-05-31 | 2016-10-26 | 陕西科技大学 | Anti-impact and anti-corrosion polyurethane protective film and preparation method and application thereof |
| CN106046760B (en) * | 2016-05-31 | 2018-10-30 | 陕西科技大学 | The anti-anti-corrosion polyurethane protective film and its preparation method and application that collides with of one kind |
| CN106433097A (en) * | 2016-09-30 | 2017-02-22 | 无锡市明盛强力风机有限公司 | TPU (thermoplastic polyurethane) film with thermal insulation, sound insulation and noise reduction properties and preparation method of TPU film |
| CN106497013A (en) * | 2016-11-18 | 2017-03-15 | 无锡明盛纺织机械有限公司 | A kind of heat-insulation and heat-preservation and absorbing sound and lowering noise TPU film and preparation method thereof |
| CN106519648A (en) * | 2016-11-18 | 2017-03-22 | 无锡明盛纺织机械有限公司 | Heat insulation, sound absorption and noise reduction TPU film and production method thereof |
| CN115895238A (en) * | 2022-12-10 | 2023-04-04 | 昆山红苹果塑胶新材料有限公司 | High-temperature-resistant TPU (thermoplastic polyurethane) film and preparation process thereof |
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Application publication date: 20151125 |