JPWO2018077806A5 - Vehicles that are lighter than air with an outer shell, laminates for such outer shells, methods of manufacturing such laminates - Google Patents
Vehicles that are lighter than air with an outer shell, laminates for such outer shells, methods of manufacturing such laminates Download PDFInfo
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- JPWO2018077806A5 JPWO2018077806A5 JP2019542798A JP2019542798A JPWO2018077806A5 JP WO2018077806 A5 JPWO2018077806 A5 JP WO2018077806A5 JP 2019542798 A JP2019542798 A JP 2019542798A JP 2019542798 A JP2019542798 A JP 2019542798A JP WO2018077806 A5 JPWO2018077806 A5 JP WO2018077806A5
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- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000000835 fiber Substances 0.000 claims description 62
- 239000004715 ethylene vinyl alcohol Substances 0.000 claims description 34
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 32
- 239000002648 laminated material Substances 0.000 claims description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 12
- 230000003014 reinforcing Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 230000001070 adhesive Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 238000007731 hot pressing Methods 0.000 claims description 2
- 229920003253 poly(benzobisoxazole) Polymers 0.000 claims description 2
- -1 polyethylene terephthalate Polymers 0.000 claims description 2
- 239000011257 shell material Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 7
- 229920000106 Liquid crystal polymer Polymers 0.000 description 5
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 5
- 229920001721 Polyimide Polymers 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- 230000001419 dependent Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 239000004979 Vectran Substances 0.000 description 1
- 229920000508 Vectran Polymers 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000004059 degradation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium(0) Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000000717 retained Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Description
本発明は外殻を有する空気より軽いビーヒクル（vehicle；飛行船などの乗物のほか、気球などを含む。）、そのような外殻用の積層体、及びそのような積層体の製造方法に関する。特に、本発明は補強繊維層とガスバリアフィルムを有する多機能積層体に関する。 The present invention relates to a vehicle having an outer shell, which is lighter than air (including a vehicle such as an airship, a balloon, etc.) , a laminate for such an outer shell, and a method for producing such a laminate. In particular, the present invention relates to a multifunctional laminate having a reinforcing fiber layer and a gas barrier film.
空気より軽いビーヒクルは、気体、典型的にはHeで充満された可撓性外殻を有する。ビーヒクルが内部構造フレーム体を有していない場合、それは軟式飛行船（blimp）とも呼ばれ、飛行船の形状（典型的には長尺状）は内部圧力によって保持される。外殻は、破裂しないために十分に安定であり、外殻内の典型的にはヘリウム（He)に対しガスバリアとして機能する、積層体によって作製されるべきである。 Vehicles that are lighter than air have a flexible outer shell filled with gas, typically He. If the vehicle does not have an internal structural frame, it is also called a blimp, and the shape of the airship (typically elongated) is retained by internal pressure. The outer shell should be made of a laminate that is stable enough to not rupture and that typically acts as a gas barrier against helium (He) within the outer shell.
高い高度で空気より軽いビーヒクルのための外殻材料には、多くの要件がある。それは軽量でありながら、同時に機械的安定性を提供しなければならない。高い高度における攻撃的な雰囲気、特に空気中のオゾンに化学的に抵抗しなければならない。同様に、UV抵抗性であり、高温及び低温で安定かつ可撓性でなければならない。これらの要件のそれぞれのための材料は公知であるが、それらの組合せになると、外殻材料の開発には厳しいチャレンジとなる。 There are many requirements for shell materials for vehicles at high altitudes and lighter than air. It must be lightweight while at the same time providing mechanical stability. It must chemically resist aggressive atmospheres at high altitudes, especially ozone in the air. Similarly, it must be UV resistant, stable and flexible at high and low temperatures. Materials for each of these requirements are known, but their combination poses a tough challenge in the development of shell materials.
Lockheed Martin Corporationに譲渡されたLavan et alの米国特許第7,354,636号は、液晶ポリマー繊維層、例えばVectran（登録商標）と、液晶ポリマー繊維層に固定されたポリイミド(PI)層と、ＰＩ層に固定されたポリフッ化ビニリデン(PVDF)層とを有する積層体を開示する。これらの層はポリウレタン(PU)接着剤でお互いに固定されている。隣接する積層体は外側表面のPVDFカバーテープと内側表面の構造テープによってお互いに固定されてよい。構造テープはビーヒクルの一体性を確保するために液晶ポリマー繊維層とPI 層を含む。代替材料は、液晶ポリマー繊維層と液晶ポリマー繊維層の両側に配置されたPVDF 層を含んでよい。重量は5オンス／平方ヤード(170grams/square meter)程度である。引張強度は240 lbs/inch（420N/cm）程度である。 Lavan et al's US Pat. No. 7,354,636, transferred to Lockheed Martin Corporation, provides a liquid crystal polymer fiber layer, such as Vectran®, a polyimide (PI) layer secured to the liquid crystal polymer fiber layer, and a PI layer. Disclosed is a laminate having a polyvinylidene fluoride (PVDF) layer. These layers are secured to each other with a polyurethane (PU) adhesive. Adjacent laminates may be secured to each other by PVDF cover tape on the outer surface and structural tape on the inner surface. The structural tape contains a liquid crystal polymer fiber layer and a PI layer to ensure vehicle integrity. The alternative material may include a liquid crystal polymer fiber layer and PVDF layers arranged on both sides of the liquid crystal polymer fiber layer. It weighs about 5 ounces / square meter. The tensile strength is about 240 lbs / inch (420N / cm).
したがって、本発明の目的は、従来技術の改良を提供することである。改良された外殻を有する空気より軽いビーヒクルを提供することが別の目的である。とりわけ、改良された積層体外殻は、重量対強度並びに最小化気体透過率に関して最適化される。これらの目的は以下に詳細に記載される積層体を含む外殻を有する空気より軽いビーヒクルによって実現される。 Therefore, it is an object of the present invention to provide improvements to the prior art. Another objective is to provide a vehicle that is lighter than air with an improved outer shell. In particular, the improved laminate shell is optimized for weight vs. strength as well as minimized gas permeability. These objectives are achieved by a lighter vehicle than air with an outer shell containing the laminates described in detail below.
重量が重要である空気より軽いビーヒクルでは、40g/sqmと70g/sqmの間の重量を持つ繊維層において実験的な結果が得られた。 For vehicles that are lighter than air, where weight is important, experimental results were obtained for fiber layers with weights between 40 g / sqm and 70 g / sqm.
結論
高い高度で空気より軽いビーヒクルの外殻のための軽量積層体材料が開発され、その特性は改良されている。新規な積層体プロトタイプは類似の引張強度をもつ従来技術の積層体より顕著に軽いのみならず、類似の重量をもつ従来技術の積層体より顕著に強い。積層体プロトタイプの比強度(強度対重量比)は、現在の従来技術水準より顕著に高い。また、積層体プロトタイプは、熱劣化、光劣化、化学抵抗、特に単一項酸素及びオゾンに対する優れた抵抗性、優れたガスバリア性、及び優れたクリープ伸び抵抗を有する。さらに、最外側フィルム/層も優れた熱管理（低放射率を含む）を提供する。したがって、層状材料は高いレベルの多機能性を有する。この積層体設計概念は、積層体材料を、強度対重量比は大部分保持しながら、より低い又は高い重量に調整するために使用することが可能である。
以下に、本発明の実施態様の例を非限定的に示す。
（態様１）
外殻を含む空気より軽いビーヒクルであって、該外殻はガスバリア及び荷重担持構造としての積層体材料を具備し、該積層体材料は、補強繊維層と、該繊維層の一面で該繊維層に溶融結合した第一のエチレンビニルアルコール（EVOH）フィルムとを含み、そのEVOHは該補強繊維層に直接に接触している、空気より軽いビーヒクル。
（態様２）
第二のEVOHフィルムが該繊維層に該繊維層の反対の面で溶融結合しており、該第二のEVOHフィルムのEVOHが該補強繊維層に直接に接触している、態様１に記載の空気より軽いビーヒクル。
（態様３）
前記補強繊維層が液晶で作成された繊維を含む、態様１又は２に記載の空気より軽いビーヒクル。
（態様４）
前記液晶がポリ[p-フェニレン-2,6-ベンゾビスオキサゾール]（PBO）である、態様３に記載の空気より軽いビーヒクル。
（態様５）
前記液晶繊維の少なくとも一部が捩れている、態様３又は４に記載の空気より軽いビーヒクル。
（態様６）
前記捩れた液晶繊維がメートル当り30と50の間の捩れを含む、態様５に記載の空気より軽いビーヒクル。
（態様７）
前記繊維層が少なくとも第一の組の繊維と第二の組の繊維を含み、該第一の組の繊維の繊維は、捩れた液晶繊維であり、かつ第一の方向に配向されていて、該第二の組の繊維の繊維は、捩れていない液晶繊維であり、第一の方向と異なる第二の方向に配向されている、態様５又は６に記載の空気より軽いビーヒクル。
（態様８）
前記第一及び第二の方向が該方向間に少なくとも３０度の角度を有する、態様７に記載の空気より軽いビーヒクル。
（態様９）
前記第一及び第二の方向が直角である、態様７又は８に記載の空気より軽いビーヒクル。
（態様１０）
前記第一の組の繊維が第一の糸密度を有し、前記第二の組の繊維が該第一の糸密度と少なくとも２倍異なる第二の糸密度を有する、態様７～９のいずれか一項に記載の空気より軽いビーヒクル。
（態様１１）
前記繊維層の重量が40g/sqmと70g/sqmの間である、態様１～９のいずれか一項に記載の空気より軽いビーヒクル。
（態様１２）
前記第一のEVOHフィルムの厚さが10μｍと20μｍの間である、態様１～１０のいずれか一項に記載の空気より軽いビーヒクル。
（態様１３）
前記第二のEVOHフィルムの厚さが10μｍと20μｍの間である、態様２に直接又は間接に従属する態様２～１１のいずれか一項に記載の空気より軽いビーヒクル。
（態様１４）
前記積層体が第前記一のEVOHフィルムに溶融結合した耐候性層を含み、該耐候性層が金属化ポリマーフィルムを含む、態様１～１２のいずれか一項に記載の空気より軽いビーヒクル。
（態様１５）
前記金属化ポリマーフィルムが金属層を含み、該金属層は前記第一のEVOHフィルム層に前記第一のEVOHフィルム層によって溶融結合されている、態様１４に記載の空気より軽いビーヒクル。
（態様１６）
前記耐候性層の厚さが10μｍと20μｍの間である、態様１４又は１５に記載の空気より軽いビーヒクル。
（態様１７）
前記積層体が、前記積層体の前記耐候性層に対して反対側の面で前記第二のEVOHフィルムに溶融結合した、金属化ガスバリア層を含む、態様１～１５のいずれか一項に記載の空気より軽いビーヒクル。
（態様１８）
前記金属化ガスバリア層が、前記第二のEVOHフィルムに溶融結合した金属化ポリマーフィルムを含み、前記金属化ポリマーフィルムの前記第二のEVOHフィルムに対して反対側の面に金属層を有する、態様１７に記載の空気より軽いビーヒクル。
（態様１９）
前記金属化ポリマーフィルム層が、２μｍと６μｍの間の厚さを有するポリエチレンテレフタレート（PET)層である、態様１８に記載の空気より軽いビーヒクル。
（態様２０）
前記積層体が85gsmと120gsmの間の重量を有する、態様１～１９のいずれか一項に記載の空気より軽いビーヒクル。
（態様２１）
前記積層体のテナシティ対重量比が890kNm/kgより大きい、態様１～２０のいずれか一項に記載の空気より軽いビーヒクル。
（態様２２）
態様１～２１のいずれか一項に記載の空気より軽いビーヒクルのための積層体材料の製造方法であって、補強繊維層と、該繊維層の一面に第一のEVOHフィルム又は該繊維層のいずれかの面に第一及び第二のEVOHフィルムを提供し、これらの層を溶融結合するために175℃と200℃の間の温度で一緒に熱プレスすることを含む、空気より軽いビーヒクルのための積層体材料の製造方法。
（態様２３）
態様２及び態様２に直接又は間接に従属する場合の態様３～２１のいずれか一項に記載の空気より軽いビーヒクルのための積層体材料であって、前記積層体材料は、85gsmと120gsmの間の重量を有し、かつ、前記積層体材料は、ポリ[p-フェニレン-2, 6-ベンゾビスオキサゾール]繊維から作成られ、40gsmと70gsmの間の重量である、補強繊維層；及び、該繊維層のいずれかの面で該繊維層に溶融結合した第一及び第二の10-15μｍ厚EVOHフィルム；及び、該第一のEVOH層に溶融結合した金属化面を有する10-15μｍ厚ポリイミドフィルムを含む、積層体材料。
（態様２４）
前記積層体材料の前記耐候性層に対して反対側で前記第二のEVOHフィルムに溶融結合した4～12μｍ厚の金属化ポリマーフィルム層をさらに含む、態様２３に記載の積層体。
Conclusion Lightweight laminate materials have been developed for the outer shell of vehicles at higher altitudes and lighter than air, and their properties have been improved. The new laminate prototype is not only significantly lighter than prior art laminates with similar tensile strength, but also significantly stronger than prior art laminates with similar weight. The specific strength (strength to weight ratio) of the laminate prototype is significantly higher than the current level of conventional technology. In addition, the laminate prototype has excellent thermal degradation, photodegradation, chemical resistance, particularly excellent resistance to monomorphic oxygen and ozone, excellent gas barrier properties, and excellent creep elongation resistance. In addition, the outermost film / layer also provides excellent thermal control (including low emissivity). Therefore, the layered material has a high level of versatility. This laminate design concept can be used to adjust the laminate material to a lower or higher weight while preserving most of the strength-to-weight ratio.
Hereinafter, examples of embodiments of the present invention are shown in a non-limiting manner.
(Aspect 1)
A vehicle that is lighter than air, including an outer shell, wherein the outer shell comprises a gas barrier and a laminate material as a load-bearing structure, wherein the laminate material is a reinforcing fiber layer and the fiber layer on one side of the fiber layer. A lighter than air vehicle comprising a first ethylene vinyl alcohol (EVOH) film melt-bonded to the EVOH, which is in direct contact with the reinforcing fiber layer.
(Aspect 2)
The second EVOH film according to aspect 1, wherein the second EVOH film is melt-bonded to the fiber layer on the opposite surface of the fiber layer, and the EVOH of the second EVOH film is in direct contact with the reinforcing fiber layer. Beehicle lighter than air.
(Aspect 3)
The vehicle lighter than air according to aspect 1 or 2, wherein the reinforcing fiber layer contains fibers made of liquid crystal display.
(Aspect 4)
A vehicle lighter than air according to aspect 3, wherein the liquid crystal is poly [p-phenylene-2,6-benzobisoxazole] (PBO).
(Aspect 5)
A vehicle lighter than air according to aspect 3 or 4, wherein at least a part of the liquid crystal fiber is twisted.
(Aspect 6)
A lighter vehicle than air according to aspect 5, wherein the twisted liquid crystal fibers contain a twist between 30 and 50 per meter.
(Aspect 7)
The fiber layer comprises at least a first set of fibers and a second set of fibers, wherein the fibers of the first set of fibers are twisted liquid crystal fibers and are oriented in the first direction. The lighter than air vehicle according to aspect 5 or 6, wherein the fibers of the second set of fibers are untwisted liquid crystal fibers, oriented in a second direction different from the first direction.
(Aspect 8)
The vehicle lighter than air according to aspect 7, wherein the first and second directions have an angle of at least 30 degrees between the directions.
(Aspect 9)
A vehicle lighter than air according to aspect 7 or 8, wherein the first and second directions are at right angles.
(Aspect 10)
Any of aspects 7-9, wherein the first set of fibers has a first yarn density and the second set of fibers has a second yarn density that is at least twice as different as the first yarn density. A vehicle that is lighter than the air described in item 1.
(Aspect 11)
A vehicle lighter than air according to any one of aspects 1 to 9, wherein the fiber layer weighs between 40 g / sqm and 70 g / sqm .
(Aspect 12)
The vehicle lighter than air according to any one of aspects 1 to 10, wherein the thickness of the first EVOH film is between 10 μm and 20 μm.
(Aspect 13)
The vehicle lighter than air according to any one of aspects 2 to 11, which is directly or indirectly dependent on embodiment 2, wherein the thickness of the second EVOH film is between 10 μm and 20 μm.
(Aspect 14)
The vehicle lighter than air according to any one of aspects 1 to 12, wherein the laminate comprises a weatherable layer melt-bonded to the first EVOH film, wherein the weathered layer comprises a metallized polymer film.
(Aspect 15)
The vehicle lighter than air according to aspect 14, wherein the metallized polymer film comprises a metal layer, the metal layer being melt-bonded to the first EVOH film layer by the first EVOH film layer.
(Aspect 16)
A vehicle lighter than air according to aspect 14 or 15, wherein the weathering layer has a thickness of between 10 μm and 20 μm.
(Aspect 17)
13. A vehicle that is lighter than the air.
(Aspect 18)
An embodiment in which the metallized gas barrier layer contains a metallized polymer film melt-bonded to the second EVOH film, and has a metal layer on a surface opposite to the second EVOH film of the metallized polymer film. A vehicle that is lighter than the air described in 17.
(Aspect 19)
The vehicle lighter than air according to aspect 18, wherein the metallized polymer film layer is a polyethylene terephthalate (PET) layer having a thickness between 2 μm and 6 μm.
(Aspect 20)
The vehicle lighter than air according to any one of aspects 1 to 19, wherein the laminate has a weight between 85 gsm and 120 gsm .
(Aspect 21)
A vehicle lighter than air according to any one of aspects 1 to 20, wherein the laminate has a tenacity to weight ratio of more than 890 kNm / kg.
(Aspect 22)
The method for producing a laminate material for a vehicle lighter than air according to any one of aspects 1 to 21, wherein the reinforcing fiber layer and the first EVOH film or the fiber layer are formed on one surface of the fiber layer. A lighter vehicle than air, comprising providing first and second EVOH films on either side and hot pressing together at temperatures between 175 ° C and 200 ° C to melt bond these layers. A method for manufacturing a laminate material for.
(Aspect 23)
The laminate material for a vehicle lighter than air according to any one of aspects 3 to 21 when directly or indirectly dependent on the second aspect and the second aspect, wherein the laminate material is 85 gsm and 120 gsm. The reinforcing fiber layer; First and second 10-15 μm thick EVOH films melt-bonded to the fiber layer on any surface of the fiber layer; and 10-15 μm thick having a metallized surface melt-bonded to the first EVOH layer. Laminate material, including polyimide film.
(Aspect 24)
23. The laminate according to aspect 23, further comprising a 4-12 μm thick metallized polymer film layer melt-bonded to the second EVOH film on the opposite side of the weatherable layer of the laminate material.
Claims (21)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662411764P | 2016-10-24 | 2016-10-24 | |
| US62/411,764 | 2016-10-24 | ||
| PCT/EP2017/077009 WO2018077806A1 (en) | 2016-10-24 | 2017-10-23 | A lighter-than-air vehicle with a hull, a laminate for such hull and a method of production of such laminate |
Publications (5)
| Publication Number | Publication Date |
|---|---|
| JP2019533610A JP2019533610A (en) | 2019-11-21 |
| JP2019533610A5 JP2019533610A5 (en) | 2020-12-03 |
| JPWO2018077806A5 true JPWO2018077806A5 (en) | 2022-01-31 |
| JP7110215B2 JP7110215B2 (en) | 2022-08-01 |
| JP7110215B6 JP7110215B6 (en) | 2022-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2019542798A Active JP7110215B6 (en) | 2016-10-24 | 2017-10-23 | Lighter-than-air vehicle having a shell, laminate for such shell, method of making such laminate |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US11285707B2 (en) |
| EP (1) | EP3529146B1 (en) |
| JP (1) | JP7110215B6 (en) |
| KR (1) | KR102431137B1 (en) |
| CN (1) | CN109963779B (en) |
| AU (1) | AU2017351564B2 (en) |
| BR (1) | BR112019008047B1 (en) |
| CA (1) | CA3041392C (en) |
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| PE (1) | PE20191141A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2019387317B2 (en) | 2018-11-26 | 2023-12-07 | Sceye Sa | Graphene-oxide grafted pbo (zylon®) fibers; method for production and applications to airship hulls and lighter than air vehicles |
| CN113564937B (en) * | 2021-07-23 | 2023-07-21 | 中国乐凯集团有限公司 | Polyurethane composition for capsule material, and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3688000T2 (en) * | 1985-05-16 | 1993-10-21 | Chemfab Corp | Flexible composite laminates containing a fluoropolymer. |
| US5082721A (en) * | 1989-02-16 | 1992-01-21 | Smith Novis W Jr | Fabrics for protective garment or cover |
| US6074722A (en) | 1994-09-30 | 2000-06-13 | Lockheed Martin Corporation | Flexible material for use in an inflatable structure |
| MY113596A (en) | 1995-04-11 | 2002-04-30 | Daicel Chem | Barrier composite films and method of producing the same |
| US6914021B2 (en) * | 1998-12-07 | 2005-07-05 | Lockheed Martin Corporation | Flexible wall material for use in an inflatable structure |
| JP4588156B2 (en) * | 2000-02-29 | 2010-11-24 | 株式会社クラレ | Laminated sheet |
| JP3698666B2 (en) * | 2000-10-31 | 2005-09-21 | 東レ・デュポン株式会社 | Composite membrane |
| US20030228821A1 (en) * | 2002-06-06 | 2003-12-11 | Reiyao Zhu | Fire-retardant fabric with improved tear, cut, and abrasion resistance |
| US6979479B2 (en) | 2003-03-14 | 2005-12-27 | Lockheed Martin Corporation | Flexible material for lighter-than-air vehicles |
| US7713890B2 (en) * | 2005-08-23 | 2010-05-11 | Milliken & Company | Flexible sheet-like composites |
| ATE505324T1 (en) | 2005-09-21 | 2011-04-15 | Lockheed Corp | METALLIC, FLEXIBLE LAMINATE MATERIAL FOR LIGHTER THAN AIR VEHICLES |
| US20070281570A1 (en) | 2006-05-30 | 2007-12-06 | Liggett Paul E | Reduced weight flexible laminate material for lighter-than-air vehicles |
| US8399080B2 (en) | 2006-06-07 | 2013-03-19 | Toray Plastics (America), Inc. | Lighter than air balloon made from a biaxially oriented polyester film |
| CA2685360A1 (en) | 2007-04-28 | 2008-11-06 | Kamal Alavi | Flexible multi-layer material, preferably for an inflatable balloon casing, and method for the production of an inflatable casing |
| US8152093B2 (en) | 2008-04-18 | 2012-04-10 | Lockheed Martin Corporation | Laminate structure with electronic devices and method |
| US9221213B2 (en) | 2009-09-25 | 2015-12-29 | Toray Plastics (America), Inc. | Multi-layer high moisture barrier polylactic acid film |
| DE102012006416A1 (en) * | 2011-12-09 | 2013-06-13 | Maria Soell High Technology Films Gmbh | Metal-layer-free multilayer film with a low basis weight |
| FR2993284B1 (en) | 2012-07-12 | 2015-02-20 | Cie Chomarat | TEXTILE REINFORCING COMPLEX FOR COMPOSITE PARTS, AND COMPOSITE COMPONENTS INTEGRATING SUCH COMPLEX |
| CA2935744A1 (en) * | 2014-01-27 | 2015-07-30 | E. I. Du Pont De Nemours And Company | Light weight trauma reducing body armor |
| CN104742469A (en) * | 2015-03-18 | 2015-07-01 | 东莞前沿技术研究院 | Capsule material composite layer and aerostat |
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2021
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