CN106838548A - 一种真空隔热板及其制备方法 - Google Patents

一种真空隔热板及其制备方法 Download PDF

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CN106838548A
CN106838548A CN201710155852.1A CN201710155852A CN106838548A CN 106838548 A CN106838548 A CN 106838548A CN 201710155852 A CN201710155852 A CN 201710155852A CN 106838548 A CN106838548 A CN 106838548A
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insulation panel
vacuum insulation
glass
packed layer
ultra
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时尧兴
吴雪菲
谈波
谈一波
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YIXING SITONG HOUSEHOLD ELECTRICAL APPLIANCE FITTINGS CO Ltd
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YIXING SITONG HOUSEHOLD ELECTRICAL APPLIANCE FITTINGS CO Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • B32B5/02—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
    • B32B5/08—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 the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/002—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising natural stone or artificial stone
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/028—Composition or method of fixing a thermally insulating material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/06—Arrangements using an air layer or vacuum
    • F16L59/065—Arrangements using an air layer or vacuum using vacuum
    • 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
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    • B32B2262/10—Inorganic fibres
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness

Abstract

本发明公开了一种真空隔热板及其制备方法，所述真空隔热板包含数个层叠的无机纤维层，相邻的纤维层之间设置填充层，层与层间通过粘结剂连接，所述无机纤维层与填充层叠加后，经热压制成芯材，再经铝箔膜包裹，真空压制成真空隔热板。具有使用寿命长、强度大、综合性能高、隔热效果好的优点。

Description

一种真空隔热板及其制备方法
技术领域
本发明涉及隔热材料技术，尤其涉及一种真空隔热板及其制备方法。
背景技术
目前真空隔热板已运用于众多的领域，以节能低碳、环保、安全等优异性能满足客户对新型材料的需求。现有的真空隔热板主要由膜材料、芯材、吸气剂等材料组成，芯材采用多空隙率、导热系数低的材料，通过在芯材使用时加入吸气剂的方法，除去膜内及芯材中未除尽的气体及水份，能够在保证真空度的同时，提高真空隔热板的使用寿命。但是现有的真空隔热板芯材由于采用多空隙率材料，同样存在强度不高的问题，膜材料与芯材的结合也存在使用寿命较低的问题。
发明内容
本发明所要解决的技术问题是提供一种真空隔热板及其制备方法，该真空隔热板具有绝热系数低、隔热板性能优良、强度大、使用寿命长的优点。
本发明所述的一种真空隔热板，包括数个层叠的无机纤维层，层叠后的无机纤维层整体表面覆有铝箔膜，所述纤维层之间设置填充层，并通过粘结剂与纤维层粘结。层叠的无机纤维层与填充层通过粘结剂牢固固定后，可以有效提高隔热板的强度，延长使用寿命。无机纤维层本身也具有良好的隔热效果。
进一步的 ，所述填充层和纤维层间还混入吸气剂，吸气剂是片状的。
进一步的，所述无机纤维层包括玻璃纤维、超细玻璃纤维和超细岩棉。
进一步的，所述填充层由微硅粉、白炭黑、珍珠岩粉中的一种或几种组成。
进一步的，所述玻璃纤维直径为5~15μm，长度为4~20mm；所述超细玻璃纤维直径为1~4μm，长度为1~5mm，玻璃纤维和超细玻璃纤维重量比的范围是2:1~3:1。
本发明还提供了真空隔热板的制备方法，包括以下步骤：
S1、将玻璃纤维和超细玻璃纤维混合、分散，加入水、粘合剂混合配成0.5~1.0%浆料；
S2、将配制好的浆料输入至成型网上真空脱水，并放入烘干设备中烘干，烘干温度为100~120℃；
S3、将成型网上的玻璃纤维叠加成无机纤维层；
S4、使用硅微粉、白炭黑、珍珠岩粉中的一种或几种制成填充层；
S5、交替叠加无机纤维层和填充层，层与层之间使用粘结剂粘结，制成真空隔热板芯材；
S6、真空隔热板芯材上包覆铝箔膜并抽真空，通过热压制成真空隔热板。
本发明的有益效果是：（1）延长真空隔热板使用寿命；（2）增强真空隔热板的强度；（3）提高隔热板的综合性能隔热效果。
附图说明
图1是本发明结构示意图。
其中，1-无机纤维层，2-填充层。
具体实施方式
一种真空隔热板，如图1所示，包括数个层叠的无机纤维层1，层叠后的无机纤维层1整体表面覆有铝箔膜，所述无机纤维层1之间设置填充层2，并通过粘结剂与无机纤维层1粘结。所述填充层2和无机纤维层1间还混入吸气剂，吸气剂为片状，采用…材料构成，能够吸收水汽，保证材料干燥，提高产品品质。所述无机纤维层1包含玻璃纤维、超细玻璃纤维和超细岩棉。填充层2由微硅粉、白炭黑、珍珠岩粉中的一种或几种组成。玻璃纤维直径为5~15μm，长度为4~20mm；所述超细玻璃纤维直径为1~4μm，长度为1~5mm，玻璃纤维和超细玻璃纤维重量比的范围是2:1~3:1。
一种真空隔热板的制备方法，包括以下步骤：
S1、将玻璃纤维和超细玻璃纤维在配液池中混合、分散，加入水、粘合剂混合配成0.5~1.0%浆料，其中，粘合剂为0.012%的甲基纤维素；
S2、将配制好的浆料通过喷头输入至成型网上真空脱水，脱水后的纤维均匀沉积在成型网上，辊压玻璃纤维使其表面平整，放入烘干设备中烘干，烘干温度为100~120℃；
S3、将成型网上的纤维叠加成无机纤维层；
S4、使用硅微粉、白炭黑、珍珠岩粉中的一种或几种制成填充层；
S5、交替叠加无机纤维层和填充层，层与层之间使用粘结剂粘结，制成真空隔热板芯材；
S6、真空隔热板芯材上包覆铝箔膜并抽真空，通过热压制成真空隔热板，其真空隔热系数≤0.0025W/m·k。
本发明方法的具体应用途径很多，以上所述仅是本发明的优选实施方式。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进，这些改进也应视为本发明的保护范围。

Claims (6)

1.一种真空隔热板，其特征在于，包括数个层叠的无机纤维层，层叠后的无机纤维层整体表面覆有铝箔膜，所述纤维层之间设置填充层，并通过粘结剂与纤维层粘结。
2.根据权利要求1所述的一种真空隔热板，其特征在于，所述填充层和纤维层间还混入吸气剂。
3.根据权利要求1所述的一种真空隔热板，其特征在于，所述无机纤维层包含玻璃纤维、超细玻璃纤维和超细岩棉。
4.根据权利要求2所述的一种真空隔热板，其特征在于，所述玻璃纤维直径为5~15μm，长度为4~20mm；所述超细玻璃纤维直径为1~4μm，长度为1~5mm，玻璃纤维和超细玻璃纤维重量比的范围是2:1~3:1。
5.根据权利要求1、2或3所述的一种真空隔热板，其特征在于，所述填充层由微硅粉、白炭黑、珍珠岩粉中的一种或几种组成。
6.一种真空隔热板的制备方法，其特征在于，包括以下步骤：
将玻璃纤维和超细玻璃纤维混合、分散，加入水、粘合剂混合配成0.5~1.0%浆料；
将配制好的浆料输入至成型网上真空脱水，并放入烘干设备中烘干，烘干温度为100~120℃；
将成型网上的纤维叠加成无机纤维层；
使用硅微粉、白炭黑、珍珠岩粉中的一种或几种制成填充层；
交替叠加无机纤维层和填充层，层与层之间使用粘结剂粘结，制成真空隔热板芯材；
真空隔热板芯材上包覆铝箔膜并抽真空，通过热压制成真空隔热板。
CN201710155852.1A 2017-03-16 2017-03-16 一种真空隔热板及其制备方法 Pending CN106838548A (zh)

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