WO2017210068A1 - Enduit comprenant un nid d'abeilles et un matériau à base de ciment, d'argile ou de géopolymère - Google Patents

Enduit comprenant un nid d'abeilles et un matériau à base de ciment, d'argile ou de géopolymère Download PDF

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Publication number
WO2017210068A1
WO2017210068A1 PCT/US2017/034377 US2017034377W WO2017210068A1 WO 2017210068 A1 WO2017210068 A1 WO 2017210068A1 US 2017034377 W US2017034377 W US 2017034377W WO 2017210068 A1 WO2017210068 A1 WO 2017210068A1
Authority
WO
WIPO (PCT)
Prior art keywords
core
render
layer
cementitious
honeycomb
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2017/034377
Other languages
English (en)
Inventor
Jacques Gilbert De Cauwer
Daniele Diederich WALDMANN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of WO2017210068A1 publication Critical patent/WO2017210068A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • E04C5/073—Discrete reinforcing elements, e.g. fibres
    • E04C5/076—Specially adapted packagings therefor, e.g. for dosing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/28—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups combinations of materials fully covered by groups E04C2/04 and E04C2/08
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • E04C2/365—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels by honeycomb structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal

Definitions

  • This invention pertains to the field of building construction and, in particular, to reinforced crack-resistant render.
  • cementitious materials are known to be fragile while under tensile load.
  • the traditional solution to this problem is to reinforce the cement like matrix with rigid materials having high tensile strength and high modulus.
  • Japanese publication JP1 1336249 discloses a thermal insulation and acoustic-proof wall panel structure for outer walls of buildings that has honeycomb panels in which mortar is filled into the cell walls of the honeycomb but not to fully fill the cell walls.
  • the honeycomb is made from ceramic, aluminum or paper.
  • This invention pertains to a render layer for a building comprising (i) a honeycomb core of nonwoven polypropylene web, and
  • the nonwoven web has a porosity of from 5 microns to 600 microns
  • the core has a cell size of from 5 mm to 200 mm, and
  • the expansion and contraction across the plane of the core is greater than the expansion and contraction of the cementitious or clay or geopolymer material filling the cells of the core.
  • Figures 1 A and 1 B are representations of views of a hexagonal shaped honeycomb.
  • Figure 2 is a representation of another view of a hexagonal cell shaped honeycomb.
  • Figure 3 is an illustration of a cladding structure on a building wall.
  • the render layer for a building comprising a honeycomb core of nonwoven polypropylene web, and a cementitious material fully filling the cells of the core,
  • Figure 1A is a plan view illustration of one honeycomb 1 of this invention and shows cells 2 formed by cell walls 3.
  • Figure 1 B is an elevation view of the honeycomb shown in Figure 1 A and shows the two exterior surfaces, or faces 4 formed at both ends of the cell walls. The core also has edges 5.
  • Figure 2 is a three-dimensional view of the honeycomb. Shown is honeycomb 1 having hexagonal cells 2 and cell walls 3. The "T" dimension or the thickness of the honeycomb is shown in Figure 2. Hexagonal cells are shown, however other geometric
  • the core has a cell size of from 5 to 200 mm, preferably from 5 to 50 mm and more preferably from 1 1 to 22 mm.
  • the cell size is the diameter of an inscribed circle within the cell of the core that touches at least two cell walls.
  • the core comprises a nonwoven polypropylene web having a porosity of from 5 microns to 600 microns. In another embodiment, the core comprises a nonwoven polypropylene web having a porosity of from 10 microns to 500 microns or even 80 to 120 microns. By porosity is meant the Apparent Opening Size (AOS) ⁇ 95 as measured according to ASTM D4751 -12. If the web porosity is less than 5 microns the cementitious material does not penetrate into the nonwoven web and thus there is no effective bond between those two materials. If the web porosity is greater than 600 microns the cementitious material can penetrate fully into the web and the cell walls lose its spring effect i. e. the ability of the cell walls to expand or contract.
  • the core can be of any desired thickness but core thicknesses of from 5 - 12 mm are particularly useful.
  • the expansion and contraction across the plane of the core is greater than the expansion and contraction of the cementitious material filling the cells of the core. In some embodiments the expansion and contraction across the plane of the core is at least 10% greater than the expansion and contraction of the cementitious material filling the cells of the core.
  • Cementitious material is a component of the render layer.
  • Suitable cementitious materials include plaster, mortar or concrete.
  • the cementitious material may include mineral or a binder.
  • the render may be organic or mineral in nature. In some embodiments, an organic render is preferred.
  • Renders of clay or geopolymer concrete are also suitable materials. Typically a geopolymer concrete is characterized by long chains or networks of inorganic molecules.
  • the filled core structure may be produced by dispensing the wet cementitious material over the core so as to fill the cell walls followed by scraping off surplus cement or by placing the core into a wet slab of cement or by a combination of both.
  • the cementitious material is then allowed to cure (set).
  • the cementitious material fully fills the cells of the core.
  • the cementitious material is partly impregnated into the cell walls of the core.
  • This partial impregnation which is facilitated by the selected porosity of the web material, provides enhanced cohesive adhesion between the core and the cementitious material without the need for additional binding agents.
  • Figure 3 is a schematic of a composite cladding structure for a building wall, comprising in order
  • insulation layer is affixed to the building wall
  • the building wall is shown as 31 , the insulation layer as 33, the render (honeycomb core filled with cementitious material) layer as 34 and the at least one decorative layer is 35.
  • the figure is shown in a partly exploded view and the render is not shown inside the cells of the core.
  • Exemplary means of mechanically fixing the insulation layer to the building wall include bolts, nails, pins , screws, or staples.
  • Exemplary adhesive materials for fixing the insulation layer to the building wall are liquids, films, powders or pastes.
  • the ahesive may be supported by a lightweight scrim.
  • An example of an adhesive bond is shown as 32 in Figure 3.
  • insulation materials are glass, aerogel or mineral fiber batts and foam such as expanded polystyrene or polyurethane foams.
  • the decorative layer is a thin render layer which is organic in nature, is pigmented and may optionally contain some hydrophobic agents. However, other materials may sometimes be used.
  • the compressive resistance of the honeycomb core helps to reduce impact damage to a cladded structure.
  • EICS External Thermal Insulation Composite Systems
  • Two types of evaluation were completed (i) weathering in a climatic chamber to observe microcracking during curing and (ii) a shock or impact test with 10 Joules of energy from a 63.5 mm steel ball dropped from a height of 1.02 m (ISO 7892 issued 1998).
  • the render was a mineral material SM700 available from Knauf Insulation, Shelbyville, IN.
  • the render was poured to fully fill the cells of the core and allowed to harden. All examples were left for 30 days after pouring of the render in ambient conditions to allow shrinkage to develop.
  • the temperatures generally ranged from 17 to 22 degrees C although temperature drops to as low as 14 degrees C occurred at weekends when the heating was turned off.
  • Relative humidity was between 25 to 43% with one spike at 55
  • This example comprised a 10mm thick slab of render without honeycomb core or any other reinforcement material.
  • the core was made from 190 gsm Typar® polypropylene sheet available from E. I. DuPont de Nemours and Company, Wilmington, DE.
  • the core thickness was 10mm.
  • the cell shape approximated to a trapezoidal shape with a longest dimension of about 17 mm and a shortest dimension of about 12 mm. This gave a core that was more rigid in one direction, the long direction.
  • the core was filled to the top with render.
  • Example 1 The results showed that the incorporation of a honeycomb structure into cementitious material as in Example 1 gave a product that significantly reduced the shrinkage of the render when compared to the honeycomb- free render of Example A and was comparable to that of the fabric backed render of Example B.
  • the first series of tests were Comparative Examples C and D and inventive Examples 2-5.
  • the render was SM 700.
  • All the examples were tested for impact resistance by measurement of residual deformation and a visual observation as to the extent of cracking.
  • All examples were prepared on a 1 m x 0.5 m expanded polystyrene (EPS) plate that was 50 mm thick unless indicated otherwise.
  • the EPS plate for Comparative Examples A-B and Examples 3-5 was placed in a metal frame representative of a window frame.
  • This sample comprised a 7 mm thick core having a cell size of 1 1 mm made from 150 gsm Typar® polypropylene sheet.
  • the core was filled with SM700 render.
  • Example 2 This was as Example 2 except that there was a 1 mm thick SM700 render layer on one outer surfaces of the core.
  • Example 3 This was as Example 3 except that the 1 mm thick render layer was a finishing render of SKAP 1 .7 mm grain from Knholz.
  • Example 2 This was as Example 2 except that there was an additional 1 mm thick finishing render layer of SKAP 1 .7 mm grain from Knauf on top of the 1 mm thick SM700 render layer.
  • honeycomb containing examples performed no worse than the
  • the second series of tests were inventive Examples 6-16. All of these examples had core made from 190 gsm Typar® polypropylene sheet. The core thickness was either 7 mm or 10 mm and the cell size was 1 1 mm.
  • the renders filling the core cells were both organic renders either type ZF-SIL 3585 from Brillux GmbH, Muenster, Germany or Plastol P394 from Kniller. In some examples there was also a 3 mm thick fiberglass net on top of the render filled core. In some other examples there was also a decorative layer as an outer surface. The decorative material was either Rausan KR K# 3517 from Brillux or SKA P31 1 from Kniller.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une couche d'enduit pour un bâtiment, qui comprend un noyau en nid d'abeilles de bande de polypropylène non tissée, et un matériau cimentaire remplissant totalement les cellules du noyau, (i) la bande non tissée ayant une porosité de 5 microns à 600 microns, (ii) le noyau ayant une dimension de cellule de 5 mm à 200 mm, (iii) l'expansion et la contraction à travers le plan du noyau étant supérieures à l'expansion et à la contraction du matériau cimentaire remplissant les cellules du noyau, et (iv) le matériau cimentaire étant partiellement imprégné dans les parois de cellule du noyau.
PCT/US2017/034377 2016-06-01 2017-05-25 Enduit comprenant un nid d'abeilles et un matériau à base de ciment, d'argile ou de géopolymère Ceased WO2017210068A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/170,054 2016-06-01
US15/170,054 US20170350125A1 (en) 2016-06-01 2016-06-01 Render comprising honeycomb and cementitious or clay or geopolymer material

Publications (1)

Publication Number Publication Date
WO2017210068A1 true WO2017210068A1 (fr) 2017-12-07

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PCT/US2017/034377 Ceased WO2017210068A1 (fr) 2016-06-01 2017-05-25 Enduit comprenant un nid d'abeilles et un matériau à base de ciment, d'argile ou de géopolymère

Country Status (2)

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US (1) US20170350125A1 (fr)
WO (1) WO2017210068A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11566746B2 (en) 2021-01-22 2023-01-31 Saudi Arabian Oil Company Fabric jacket to prevent nonmetallic equipment from extreme heat, external damage and fire
US11619019B2 (en) 2021-04-06 2023-04-04 Saudi Arabian Oil Company Automated system and installation process for a flexible mat fabric

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD841011S1 (en) * 2016-08-23 2019-02-19 Amazon Technologies, Inc. Electronic device cover
USD915110S1 (en) * 2019-04-24 2021-04-06 Yajun Hu Desktop with honeycomb pattern
US11572691B1 (en) * 2019-10-25 2023-02-07 Newton Design, LLC Modular wall system
USD946577S1 (en) * 2020-02-18 2022-03-22 Amazon Technologies, Inc. Electronic device cover
USD897697S1 (en) * 2020-03-20 2020-10-06 Shenzhen Sande Technology Co., Ltd. Makeup mirror
USD950286S1 (en) * 2020-05-16 2022-05-03 Yajun Hu Glass desktop with honeycomb pattern
USD955794S1 (en) * 2020-05-16 2022-06-28 Yajun Hu Glass desktop with triangular pattern
USD1087100S1 (en) * 2022-06-13 2025-08-05 Amazon Technologies, Inc. Electronic device cover
USD1112231S1 (en) * 2024-05-16 2026-02-10 Shenzhen Simpleway Technology Co., Ltd. Protective cover for tablet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879780A (en) * 1996-09-20 1999-03-09 Hexcel Corporation Lightweight self-sustaining anisotropic honeycomb material
JPH11336249A (ja) 1998-05-25 1999-12-07 Atsushi Sasaki 建築物用外壁
WO2002025034A1 (fr) * 2000-09-19 2002-03-28 James Hardie Research Pty Limited Systeme d'enduction au ciment
WO2005118275A2 (fr) * 2004-05-07 2005-12-15 Petritech, Inc. Materiaux composites, notamment structuraux, ameliores et leur procedes de fabrication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879780A (en) * 1996-09-20 1999-03-09 Hexcel Corporation Lightweight self-sustaining anisotropic honeycomb material
JPH11336249A (ja) 1998-05-25 1999-12-07 Atsushi Sasaki 建築物用外壁
WO2002025034A1 (fr) * 2000-09-19 2002-03-28 James Hardie Research Pty Limited Systeme d'enduction au ciment
WO2005118275A2 (fr) * 2004-05-07 2005-12-15 Petritech, Inc. Materiaux composites, notamment structuraux, ameliores et leur procedes de fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EUROPEAN ORGANISATION FOR TECHNICAL APPROVALS: "ETAG 004- GUIDELINE FOR EUROPEAN TECHNICAL APPROVAL of EXTERNAL THERMAL INSULATIONCOMPOSITE SYSTEMS (ETICS) WITH RENDERING", - February 2013 (2013-02-01), pages 1 - 143, Retrieved from the Internet <URL:http://www.sgpstandard.cz/editor/files/stav_vyr/dok_es/eta/etag/004_en.pdf>

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11566746B2 (en) 2021-01-22 2023-01-31 Saudi Arabian Oil Company Fabric jacket to prevent nonmetallic equipment from extreme heat, external damage and fire
US12072057B2 (en) 2021-01-22 2024-08-27 Saudi Arabian Oil Company Fabric jacket to prevent nonmetallic equipment from extreme heat, external damage and fire
US11619019B2 (en) 2021-04-06 2023-04-04 Saudi Arabian Oil Company Automated system and installation process for a flexible mat fabric

Also Published As

Publication number Publication date
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