WO2005066428A1 - Element en sandwich pour l'isolation thermique et acoustique - Google Patents

Element en sandwich pour l'isolation thermique et acoustique Download PDF

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Publication number
WO2005066428A1
WO2005066428A1 PCT/EP2005/000207 EP2005000207W WO2005066428A1 WO 2005066428 A1 WO2005066428 A1 WO 2005066428A1 EP 2005000207 W EP2005000207 W EP 2005000207W WO 2005066428 A1 WO2005066428 A1 WO 2005066428A1
Authority
WO
WIPO (PCT)
Prior art keywords
sandwich element
element according
vacuum insulation
insulation panel
sandwich
Prior art date
Application number
PCT/EP2005/000207
Other languages
German (de)
English (en)
Inventor
Peter Randel
Manfred Rupprecht
Heinz-Werner Borger
Christoph Adelmann
Norbert Schneider
Original Assignee
Porextherm Dämmstoffe GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Porextherm Dämmstoffe GmbH filed Critical Porextherm Dämmstoffe GmbH
Publication of WO2005066428A1 publication Critical patent/WO2005066428A1/fr

Links

Classifications

    • 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
    • B32B5/18—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 features of a layer of foamed material
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/88—Insulating elements for both heat and sound
    • E04B1/90—Insulating elements for both heat and sound slab-shaped
    • 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
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • 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
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—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
    • B32B2307/304—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
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes
    • 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
    • B32B2471/00—Floor coverings
    • 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
    • B32B2607/00—Walls, panels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/242—Slab shaped vacuum insulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10—Insulation, e.g. vacuum or aerogel insulation

Definitions

  • the invention relates to a sandwich element for sound and heat insulation of floor, wall and roof surfaces and for absorbing traffic loads in direct connection with top coverings.
  • the soft and therefore easily deformable insulation under the load distribution layer becomes an unavoidable compressibility of ax. 4 mm allowed.
  • the floor and tile-laying craft is prevented from completing the connection between the base and the floor, as the sinking of the load distribution layer can take several years.
  • a deficiency status arises for the executing craftsman, which is due to the inadequacy of the recognized rules of technology described here.
  • PET layers in thicknesses between 1 and 20 mm are mainly used in the floor area. Due to the flat and adhesion-friendly surface, they allow direct covering with top documents such as with tiles, natural stone, carpet and other soft coverings or parquet and other hard coverings. Furthermore, these load-distributing layers have very good impact sound insulation properties.
  • the present invention relates to a sandwich element for sound and heat insulation consisting of a composite of two plates made of a pressed, rolled, foam, reactive or fiber material with a non-positively embedded vacuum insulation panel between the plates.
  • the pressed, rolled, foam, reactive and fiber materials are, for example, a ze- or calcium sulfate-bound material, metal, wood, wood fiber, wood granulate, wood chips, polyethylene, polypropylene, polystyrene, polyurethane, polyethylene terephthalate (PET), cotton and their blends.
  • the two plates can be the same or different. It is preferably PET sheets, preferably sheets made of PET fibers.
  • production residues can preferably be prepared from PET nonwovens and preferably mixed with a low-melting binder (see DE 19950058).
  • the mixture is pressed into plates under pressure and temperature.
  • the PET plate preferably has a density of approximately 100-1000 kg / m 3 , a maximum application temperature of 100 ° C. and a mechanical load capacity of 5 kN / m 2 (DIN 1055).
  • the vacuum insulation panel preferably consists of an open-pore organic or inorganic foam or a fiber material or of mixtures as described in DE-A-4432896, DE-A-19618968, US-A-6589488, or in DE-A-10151479 (hereby incorpo rated) by reference) are disclosed.
  • Mixtures with pyrogenic silica are preferred, particularly preferably pyrogenic silica with a BET> 150 m 2 / g.
  • the layer density is preferably> 100 kg / m 3 .
  • the materials mentioned are preferably covered by a film which is gas-tight and suitable for vacuum.
  • the film can also be a composite film with an incorporated metal layer (eg aluminum) or several metallised layers, as is known, for example, from DE-A-10320630 or DE-A-10325607.
  • the vacuum insulation panel is preferably a microporous vacuum insulation panel, as is known from DE-A-10320630 or DE-A-10325607.
  • the sandwich element is preferably in the form of a three-layer plate.
  • the three layers are non-positively connected to one another.
  • the non-positive connection is preferably made using an adhesive.
  • the adhesive is preferably selected from reactive resin, plastic dispersion or a thermoplastic.
  • two sheets of pressed, rolled, foam, reactive, and fiber materials are bonded on one side with an adhesive fabric applied.
  • the vacuum insulation panel is positioned in the center of the adhesive bed of one plate and the second plate with the side to which the adhesive is applied is centered or offset by 5 to 20 mm, preferably by 5 to 15 mm, particularly preferably by 5 to 10 mm, to the first plate for training a circumferential rabbet positioned on the vacuum insulation panel.
  • the production is preferably carried out in such a way that the vacuum insulation panel is undersized all the way around the pressed, rolled, foam, reactive and fiber materials.
  • the undersize is preferably 2 to 15 mm on all sides. This protects the vacuum insulation panel in the sandwich element from all sides.
  • the sandwich element according to the invention preferably consists of a microporous vacuum insulation panel, which is embedded between two polyethylene terephthalate fiber plates in a force-locking manner.
  • the sandwich element consists of two 4 to 20 mm, preferably 4 to 10 mm, particularly preferably 4 to 5 mm thick PET sheets which are non-positively connected to a vacuum insulation panel with a thickness of 10 to 25 mm, preferably 12 to 20 mm, particularly preferably 13 to 15 mm.
  • the sandwich element according to the invention has excellent thermal and impact sound insulation properties.
  • an overall thickness of ⁇ 25 mm is also achieved, which is particularly attractive for the use of the sandwich element in the renovation of old buildings.
  • Such a sandwich element combines excellent thermal and impact sound insulation with a low layer thickness (less than 25mm) and high load transfer of up to 5kN / m 2 .
  • Vacuum insulation panels are often very susceptible to mechanical injuries due to their enveloping composite films, which leads to many failures due to air pulls, especially when used on construction sites.
  • the vacuum insulation panel of the PET layers is protected by the hard, preferably slightly protruding PET layers on all sides (approx. 2 to 15 mm).
  • the transport and processing properties as well as the mechanical resilience (e.g. through use). and the lifespan of the sandwich elements is improved compared to conventional vacuum insulation panels.
  • Microporous vacuum insulation panels are non-positively embedded between two PET layers, which have very tight dimensional tolerances, allowing the sandwich elements to be laid flat without gaps. Dimensional inaccuracies are preferably filled within the sandwich element by means of compression bands.
  • the sandwich element according to the invention has a pressure and bending activity that makes it possible to load it with a traffic load of up to 5 kN / m 2 (DIN 1055).
  • This sandwich element represents sound and heat insulation, which, in contrast to all known insulation materials, can be provided directly with top coverings and can be subjected to the traffic load mentioned. In contrast to all known insulation materials, no additional load distribution layer is required for your use.
  • the raw concrete ceiling is made with a bound bed, e.g. made of expanded glass and quick cement, with a uniform thickness, which is based on the thickest pipe , overdrawn.
  • bound fillings have the advantage that there is no deformation due to drying.
  • the sandwich panels on which the invention is based are laid in a half bond. Due to the high inherent stability of the sandwich panel, the change between fill and lines in the ground has no influence on the continuous load distribution.
  • the sandwich element with a thickness of ⁇ 25 mm offers the advantage of an undisturbed and untrimmed uniformly thick layer of insulation with a clearly defined and unrestricted insulation effect.
  • the sandwich element is constructed in such a way that the vacuum insulation panel (3) has an undersize compared to the pressed, rolled, foam, reactive and fiber materials (1), so a compensation tape (2) is preferably placed in the circumferential gap between the pressed, rolled, foam, reactive, and fiber materials in order to minimize thermal bridges where there is no vacuum insulation panel.
  • the flaps of the film of the vacuum insulation panel (4) are preferably folded over on one side (FIG. 4).
  • the sandwich element can be directly covered with ceramic and natural stone using the thin bed method according to DIN 18157.
  • soft coverings such as Carpet or linoleum according to DIN 18365, it is preferred to first apply a leveling compound. This also applies before laying with solid parquet, prefabricated parquet of any kind and laminate.
  • the sandwich elements are preferably used wherever dimensional stability and robustness are required with high insulation performance. They are primarily suitable for sound and heat insulation and for simultaneously diverting traffic loads from the top surface to the structure in the floor area. However, it is also possible to use other areas such as e.g. of walls, ceilings or roofs.
  • the invention thus also relates to insulation produced using a sandwich element according to the invention.
  • FIG. 1 shows the structure of a sandwich element consisting of a microporous vacuum insulation panel (vacuum insulation panel) between two polyethylene terephthalate fiber layers (PFS).
  • PV insulation panel vacuum insulation panel
  • PFS polyethylene terephthalate fiber layers
  • Fig. 4 shows the section on a sandwich element: 1: PET layer
  • Example 1 Production of a sandwich element
  • the cut microporous core material is inserted into a three-layer welded multi-layer film bag and sealed under vacuum.
  • the finished size of the vacuum insulation panel is 990mm * 590mm * 15mm.
  • the outer circumferential flap is folded over on one side and fixed with adhesive tape.
  • Two sheets of PET fibers are applied to one side with an adhesive.
  • the vacuum insulation panel is positioned in the center of the adhesive bed of one plate and the second plate with the adhesive-coated side is offset by 5 to 10 mm to the lower layer to form a circumferential fold on the vacuum insulation panel.
  • the sandwich element is stored temporarily until the adhesive has hardened.
  • the circumferential gap is filled with a compensation tape with a cross section of 10mm * 10mm.
  • the sandwich element can either be glued to the substrate or laid floating. Individual elements are to be arranged in a semi-union. When laying on the floor, an edge distance of> 5 mm must be maintained from all rising components such as columns and walls. It is advisable to place an edge insulation strip.
  • the subfloor must be stable (payload> 0.5 kN / m 2 ) and even in accordance with DIN 18202. Height compensation on storey ceilings above pipes is preferably made with a lightweight, bound bed.
  • the sandwich element can be laid on top when the bed has reached a compressive strength of at least 1.5 N / mm 2 .
  • Gluing On the liability-friendly surface, e.g. a plastic-coated thin-bed mortar with a 6 mm notched trowel, in which the sandwich element is immediately inserted. After the laying mortar has hardened, the top covering can be applied in a conventional manner.
  • a plastic-coated thin-bed mortar with a 6 mm notched trowel in which the sandwich element is immediately inserted. After the laying mortar has hardened, the top covering can be applied in a conventional manner.
  • Floating installation The sandwich elements are butted against each other. The butt joints are taped over in the middle with a crepe tape with a minimum width of 50 mm. The top covering can then be applied in a conventional manner.
  • Example 3 Conventional construction of an insulation and comparison of the properties of the conventional construction with the construction from Example 2 According to the recognized rules of technology for creating floors on load-bearing floor slabs and floors, the required sound and heat insulation is achieved Compared to the outside area or a foreign apartment, the following conventional structure is created:
  • a load-bearing component such as a reinforced concrete ceiling (approx. 180mm) was applied as rock wool sound insulation in a thickness of approx. 30mm. It was applied as polystyrene in a thickness of approx. 60mm. Finally, a screed was applied at a height of approx. 45mm as a load distribution layer.
  • This structure like the structure from example 2, was provided with a ceramic top covering of a height of approx. 10 mm.
  • Tab. 1 compares the dimensions and properties of the two floor structures
  • the insulation using the sandwich element is considerably thinner and still has better (thermal insulation, resilience) or equally good (impact sound insulation) properties as conventional insulation.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne un élément en sandwich pour l'isolation thermique et acoustique, lequel élément est constitué d'un composite, composé de deux panneaux en matériau pressé, laminé, alvéolaire, réactif ou fibreux et d'un panneau à vide d'isolation incorporé par liaison de force entre ces deux panneaux.
PCT/EP2005/000207 2004-01-12 2005-01-12 Element en sandwich pour l'isolation thermique et acoustique WO2005066428A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004001673.9 2004-01-12
DE102004001673A DE102004001673A1 (de) 2004-01-12 2004-01-12 Sandwichelement zur Schall- und Wärmedämmung

Publications (1)

Publication Number Publication Date
WO2005066428A1 true WO2005066428A1 (fr) 2005-07-21

Family

ID=34673106

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/000207 WO2005066428A1 (fr) 2004-01-12 2005-01-12 Element en sandwich pour l'isolation thermique et acoustique

Country Status (2)

Country Link
DE (1) DE102004001673A1 (fr)
WO (1) WO2005066428A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009083746A1 (fr) 2008-01-02 2009-07-09 Gyula Subotics Panneau laminaire d'isolation contre la chaleur et/ou le bruit et/ou l'humidité
CN102205648A (zh) * 2011-02-18 2011-10-05 中国船舶重工集团公司第七二五研究所 一种适用于内嵌阻尼层夹芯复合材料的真空辅助成型方法
EP2204513A3 (fr) * 2008-12-30 2011-11-16 Deutsche Amphibolin-Werke von Robert Murjahn Stiftung & Co KG Plaque d'isolation thermique multicouche et procédé de construction d'une façade à isolation thermique
CN102795879A (zh) * 2012-08-16 2012-11-28 青岛科瑞新型环保材料有限公司 带装饰的一体化真空绝热板及其加工方法
CN104912213A (zh) * 2015-06-16 2015-09-16 建研科技股份有限公司 一种真空绝热复合板及利用其制备薄抹灰系统的制备方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107642196B (zh) * 2017-09-21 2020-02-21 江苏声立方环保科技有限公司 一种保温外墙板

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997012100A1 (fr) * 1995-09-25 1997-04-03 Owens Corning Panneaux isolants modulaires et structures isolees
DE10039141A1 (de) * 2000-08-07 2002-02-21 Zae Bayern Verankerungselement für wärmeisolierende Vakuumpaneele und System zur Befestigung des Verankerungselementes an Wänden
EP1291300A2 (fr) * 2001-09-05 2003-03-12 Energy Storage Technologies, Inc. Matériau multicouche pour panneau à isolation sous vide et récipient comprenant un tel panneau
WO2004001149A2 (fr) * 2002-06-24 2003-12-31 Sager Ag Panneau a isolation par le vide, procede pour isoler thermiquement des objets et elements auxiliaires associes

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Publication number Priority date Publication date Assignee Title
DE3337247A1 (de) * 1982-12-23 1984-06-28 Heller, Alfred, 8700 Würzburg Verwendung von gummigranulat
GB2336565A (en) * 1998-04-24 1999-10-27 Micropore International Ltd Vacuum insulation panel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997012100A1 (fr) * 1995-09-25 1997-04-03 Owens Corning Panneaux isolants modulaires et structures isolees
DE10039141A1 (de) * 2000-08-07 2002-02-21 Zae Bayern Verankerungselement für wärmeisolierende Vakuumpaneele und System zur Befestigung des Verankerungselementes an Wänden
EP1291300A2 (fr) * 2001-09-05 2003-03-12 Energy Storage Technologies, Inc. Matériau multicouche pour panneau à isolation sous vide et récipient comprenant un tel panneau
WO2004001149A2 (fr) * 2002-06-24 2003-12-31 Sager Ag Panneau a isolation par le vide, procede pour isoler thermiquement des objets et elements auxiliaires associes

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009083746A1 (fr) 2008-01-02 2009-07-09 Gyula Subotics Panneau laminaire d'isolation contre la chaleur et/ou le bruit et/ou l'humidité
EP2204513A3 (fr) * 2008-12-30 2011-11-16 Deutsche Amphibolin-Werke von Robert Murjahn Stiftung & Co KG Plaque d'isolation thermique multicouche et procédé de construction d'une façade à isolation thermique
CN102205648A (zh) * 2011-02-18 2011-10-05 中国船舶重工集团公司第七二五研究所 一种适用于内嵌阻尼层夹芯复合材料的真空辅助成型方法
CN102795879A (zh) * 2012-08-16 2012-11-28 青岛科瑞新型环保材料有限公司 带装饰的一体化真空绝热板及其加工方法
CN104912213A (zh) * 2015-06-16 2015-09-16 建研科技股份有限公司 一种真空绝热复合板及利用其制备薄抹灰系统的制备方法
CN104912213B (zh) * 2015-06-16 2018-09-28 建研科技股份有限公司 一种真空绝热复合板及利用其制备薄抹灰系统的制备方法

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