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CN107399426A - 一种航空用隔热保温模块 - Google Patents

一种航空用隔热保温模块 Download PDF

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Publication number
CN107399426A
CN107399426A CN201710600805.3A CN201710600805A CN107399426A CN 107399426 A CN107399426 A CN 107399426A CN 201710600805 A CN201710600805 A CN 201710600805A CN 107399426 A CN107399426 A CN 107399426A
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heat
aviation
insulation
preservation module
fine fibre
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陈照峰
马汝军
陈立鹤
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Suzhou Junyue New Material Technology Co Ltd
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Suzhou Junyue New Material Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/40—Sound or heat insulation, e.g. using insulation blankets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

本发明公开了一种航空用隔热保温模块，由多层超细玻璃纤维棉毡和轻质阻燃封装膜袋组成；其中，多层超细玻璃纤维棉毡由至少2层的航空级超细玻璃纤维棉毡叠加组成，轻质阻燃封装膜袋由使用尼龙网格增强的PVF/PET复合薄膜制成，使用超声热封机进行封装。本发明采用航空级超细玻璃纤维棉毡，保温效果好，尼龙纤维增强的PVF/PET复合薄膜强度高，具有优异的抗污耐腐蚀性能，结构简单，隔热模块的质量小，阻燃性能好，安全性高。

Description

一种航空用隔热保温模块
技术领域
本发明涉及保温材料领域，特别涉及一种航空用隔热保温模块。
背景技术
玻璃纤维棉属于玻璃纤维中的一个类别，是一种人造无机纤维。采用石英砂、石灰石、 白云石等天然矿石为主要原料，配合一些纯碱、硼砂等化工原料熔成玻璃。在融化状态下，借助外力吹制成絮状细纤维，纤维和纤维之间为立体交叉，互相缠绕在一起，呈现出许多细小的间隙，这种间隙可看作孔隙。因此，玻璃棉可视为多孔材料，具有良好的绝热、吸声性能。玻璃棉能够吸声的原因不是由于表面粗糙，而是因为具有大量的内外连通的微小孔隙和孔洞，当声波入射到玻璃棉上时，声波能顺着孔隙进入材料内部，引起空隙中空气分子的振动。由于空气的粘滞阻力和空气分子与孔隙壁的摩擦，声能转化为热能而损耗。
玻璃纤维棉常作为保温材料被广泛运用于航空航天领域。航空航天领域对保温材料的要求较高，常规的用胶料粘结后包覆成型的玻璃纤维棉保温材料强度低，安装加工性能差，保温效果差，质量重，不能满足使用要求，单独使用的玻璃纤维棉毡受潮问题严重，维护费用高，不适于长时间服役。
申请公布号为CN201310669184.6A中国发明专利涉及一种航空专用保温绝热玻璃纤维复合材料，包括涤纶无纺布、玻璃纤维棉和粘结胶料，所述无纺布厚度为0.05-0.1mm，所述玻璃纤维棉直径为0.75-1.25μm，所述粘结胶料为酚醛树脂，其重量为复合材料总重的0.8-1.2%，所述玻璃纤维棉通过粘结胶料复合在无纺布表面。该发明制备该复合材料的方法，首先取适量氧化锌、硼砂、白砂、钾长石粉、纯碱、方解石、碳酸钾、碳酸钡并混合熔化；然后经初次成纤后用高温、高速气流牵引得到玻璃纤维棉；接着将玻璃纤维棉分散在无纺布表面并喷涂施胶，最后干燥得产品。该发明的保温绝热玻璃纤维复合材料的导热系数低，耐高温性能优异，密度低，强度高，但是玻璃纤维裸露于空气中的受潮问题并没有解决。
申请公开号为CN201310630801.1A中国发明专利涉及一种航空船舶用保温材料，其包括依次复合设置的第一锡层、纤维复合层、第二锡层、胶层和保护膜层，所述纤维复合层按重量份数计由以下各组分制作而成：碳纤维3-7份、聚苯乙烯树脂11-15份、发泡剂1-2份、氢氧化铝5-7份、甲苯二异氰酸酯20-30份、聚醚6-8份、辛酸亚锡0.05-0.08份、三乙基二胺0.05-0.08份和三氯化磷1-3份，保护膜层采用牛皮纸，上述的航空船舶用保温材料，结构简单，将第一锡层、纤维、第二锡层、胶层和保护膜层复合而成，生产成本低、保温效果好、抗拉伸强度高，但是用于航空领域时重量无法有效控制。
航空领域使用的保温材料要求极高，需要具备轻质、阻燃、抗污耐腐蚀、耐磨损等等性能，目前多用玻璃纤维棉毡作为主要航空保温材料，针对玻璃纤维使用中容易出现的受潮、质量控制等问题进行技术改进是十分有必要的。
发明内容
针对上述存在的技术问题，本发明的目的是：提出了一种轻质、防潮的航空用隔热保温模块。
为实现本发明的目的，所采用的技术方案是：一种航空用隔热保温模块，由多层超细玻璃纤维棉毡和轻质阻燃封装膜袋组成；所述的多层超细玻璃纤维棉毡由至少2层的航空级超细玻璃纤维棉毡叠加组成；所述的轻质阻燃封装膜袋由使用尼龙网格增强的PVF/PET复合薄膜制成，尼龙网格与PET使用氯乙烯共聚物类胶黏剂粘结，PVF面朝外，粘结尼龙网格的PET面朝内。
优选的，所述单层航空级超细玻璃纤维棉毡的厚度为9.5-25.4mm，纤维直径呈正态分布，直径分布区间为1.2-3.2μm。
优选的，所述玻璃纤维表面使用憎水性酚醛树脂做憎水处理，憎水率大于等于97%。
优选的，所述轻质阻燃封装膜袋的克重为40-70g/m2。
优选的，所述尼龙网格为经纬编织的尼龙66网格，单根尼龙线的D数为100-200，单个网格边长为2-5mm。
优选的，所述PVF/PET复合薄膜厚度为30-40μm。
优选的，所述轻质阻燃封装膜袋的四周使用超声热封机对附有氯乙烯共聚物类胶黏剂的尼龙线精确对接后进行热熔焊接，形成包裹多层超细玻璃纤维棉毡的封闭模块。
本发明所具有的有益效果是：①采用航空级超细玻璃纤维棉毡，保温效果好；②尼龙纤维增强的PVF/PET复合薄膜强度高，具有优异的抗污耐腐蚀性能；③结构简单，隔热模块的质量容易控制；④阻燃性能好，安全性高。
附图说明
下面结合附图对本发明技术方案作进一步说明：
附图1为本发明所述的一种航空用隔热模块结构示意图。
具体实施方式
下面结合具体实施例，进一步阐明本发明，应理解这些实施例仅用于说明本发明而不用于限制本发明的范围，在阅读了本发明之后，本领域技术人员对本发明的各种等价形式的修改均落于本申请所附权利要求所限定。
图1为一种航空用隔热保温模块，由多层超细玻璃纤维棉毡20和轻质阻燃封装膜袋10组成；所述的多层超细玻璃纤维棉毡20由至少2层的航空级超细玻璃纤维棉毡叠加组成，单层厚度约为约为9.5-25.4mm，纤维直径呈正态分布，直径分布主要集中于1.2-3.2μm，平均直径约为2.2μm，玻璃纤维表面使用憎水性酚醛树脂做憎水处理，憎水率不低于97%。
所述的轻质阻燃封装膜袋10由使用尼龙网格增强的PVF/PET复合薄膜制成，克重为40-70g/m2，尼龙网格为经纬编织的尼龙66网格，单根尼龙线的D数为100-200，单个网格边长为2-5mm，与PET一侧使用氯乙烯共聚物类胶黏剂粘结，PVF/PET复合薄膜厚度为30-40μm，PVF面朝外，粘结尼龙网格的PET面朝内。
所述轻质阻燃封装膜袋10四周使用超声热封机对附有氯乙烯共聚物类胶黏剂的尼龙线精确对接后进行热熔焊接，形成包裹多层超细玻璃纤维棉毡的封闭模块。
为了进一步说明本发明的方案，以下提供实施例1-5中的各项数值，如下表所示：
实施例1 实施例2 实施例3 实施例4 实施例5
玻璃纤维棉毡层数 3 2 3 3 2
玻璃纤维棉毡单层厚度 9.5mm 13.6mm 25.4mm 16.5mm 20.4mm
纤维直径 2.2μm 3.2μm 2.0μm 1.2μm 1.8μm
憎水率 98% 97% 98% 99% 98%
封装膜袋克重 50g/m2 70g/m2 40g/m2 60g/m2 55g/m2
单根尼龙线的D数 100 110 200 150 180
单个网格边长 4mm 3mm 5mm 4mm 2mm
PVF/PET复合薄膜厚度 30μm 32μm 38μm 40μm 35μm
上述仅为本发明的具体实施方式，但本发明的设计构思并不局限于此，凡利用此构思对本发明进行非实质性的改动，均应属于侵犯本发明保护的范围的行为。但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何形式的简单修改、等同变化与改型，仍属于本发明技术方案的保护范围。

Claims (7)

1.一种航空用隔热保温模块，由多层超细玻璃纤维棉毡（20）和轻质阻燃封装膜袋（10）组成；其特征在于：所述的多层超细玻璃纤维棉毡（20）由至少2层的航空级超细玻璃纤维棉毡叠加组成；所述的轻质阻燃封装膜袋（10）由使用尼龙网格增强的PVF/PET复合薄膜制成，尼龙网格与PET使用氯乙烯共聚物类胶黏剂粘结，PVF面朝外，粘结尼龙网格的PET面朝内。
2.根据权利要求1所述的航空用隔热保温模块，其特征在于：所述单层航空级超细玻璃纤维棉毡的厚度为9.5-25.4mm，纤维直径呈正态分布，直径分布区间为1.2-3.2μm。
3.根据权利要求1所述的航空用隔热保温模块，其特征在于：所述玻璃纤维表面使用憎水性酚醛树脂做憎水处理，憎水率大于等于97%。
4.根据权利要求1所述的航空用隔热保温模块，其特征在于：所述轻质阻燃封装膜袋（10）的克重为40-70g/m2。
5.根据权利要求1所述的航空用隔热保温模块，其特征在于：所述尼龙网格为经纬编织的尼龙66网格，单根尼龙线的D数为100-200，单个网格边长为2-5mm。
6.根据权利要求1所述的航空用隔热保温模块，其特征在于：所述PVF/PET复合薄膜厚度为30-40μm。
7.根据权利要求1所述的航空用隔热保温模块，其特征在于：所述轻质阻燃封装膜袋（10）的四周使用超声热封机对附有氯乙烯共聚物类胶黏剂的尼龙线精确对接后进行热熔焊接，形成包裹多层超细玻璃纤维棉毡的封闭模块。
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CN108943924A (zh) * 2018-06-05 2018-12-07 苏州宏久航空防热材料科技有限公司 一种航空内饰用复合膜封装玻璃棉毡
CN109442145A (zh) * 2018-12-26 2019-03-08 苏州市君悦新材料科技股份有限公司 一种保温隔热用复合棉毡及其制备方法
CN110552724A (zh) * 2019-09-20 2019-12-10 铁科创恒新材料科技有限公司 一种耐高温水汽封闭隔热毡及其安装方法
CN111055562A (zh) * 2020-01-06 2020-04-24 苏州市君悦新材料科技股份有限公司 一种飞行器用阻燃绝热隔音材料

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CN108943924A (zh) * 2018-06-05 2018-12-07 苏州宏久航空防热材料科技有限公司 一种航空内饰用复合膜封装玻璃棉毡
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CN111055562A (zh) * 2020-01-06 2020-04-24 苏州市君悦新材料科技股份有限公司 一种飞行器用阻燃绝热隔音材料

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Application publication date: 20171128