RU2422598C2 - Fire-resistant composite panel - Google Patents

Fire-resistant composite panel Download PDF

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Publication number
RU2422598C2
RU2422598C2 RU2008149670A RU2008149670A RU2422598C2 RU 2422598 C2 RU2422598 C2 RU 2422598C2 RU 2008149670 A RU2008149670 A RU 2008149670A RU 2008149670 A RU2008149670 A RU 2008149670A RU 2422598 C2 RU2422598 C2 RU 2422598C2
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RU
Russia
Prior art keywords
panel
fire
crystals
composite panel
microspheres
Prior art date
Application number
RU2008149670A
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Russian (ru)
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RU2008149670A (en
Inventor
Сергей Петрович Амельчугов (RU)
Сергей Петрович Амельчугов
Виталий Андреевич Негин (RU)
Виталий Андреевич Негин
Александр Ибадулович Клименков (RU)
Александр Ибадулович Клименков
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Общество с ограниченной ответственностью "Краспан"
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Priority to RU2008149670A priority Critical patent/RU2422598C2/en
Publication of RU2008149670A publication Critical patent/RU2008149670A/en
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Publication of RU2422598C2 publication Critical patent/RU2422598C2/en

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/045Polyalkenes
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/06Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • C04B18/08Flue dust, i.e. fly ash
    • C04B18/082Cenospheres
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

FIELD: construction. ^ SUBSTANCE: fire-resistant composite panel includes two surface layers from a metal and an inner connecting central layer on the basis of a polyethylene composition, representing a homogeneous phase filled with microspheres of carry-over ashes produced from burning of coals, inner cavities of which are filled with a fire retardant, such as crystals of ammonium polyphosphate and crystals of pentaerithrite. ^ EFFECT: fire resistance, manufacturability of production, relatively low labour intensiveness and cost of an item. ^ 1 cl, 2 dwg

Description

The invention relates to structures of panels used in industrial and civil engineering, namely for the manufacture of external walling, heat-insulating structures of buildings and structures (walls, panels, internal and external partitions).

A sandwich panel is known, including two surface layers of metal and a central part composed of pieces of mineral wool constituting longitudinal strips, the longitudinal axes of the pieces are parallel to the longitudinal axis of the panel, and the orientation of the fibers in the pieces is perpendicular to the plane of the surface layers, the ends of the pieces are displaced longitudinally relative to each other to a friend, characterized in that between the strips of pieces of mineral wool additionally introduced longitudinal strips of filling foam, and they are introduced sequentially between groups of polo with mineral wool, the number of mineral wool strips in the group is from 1 to 4, while the extreme stripes of the panel are made of pieces of mineral wool, and the width of the strip of filling foam is (1 ÷ 4) the width of the piece of mineral wool, and the length of the strips is the length of the panel (RU 2280132, 2006).

The known panel does not have sufficient fire resistance, is not technologically advanced in the manufacture of curtain wall systems and is relatively expensive.

A sandwich panel is known, including two surface layers of metal and a central part composed of pieces of mineral wool constituting longitudinal strips, the longitudinal axes of the pieces are parallel to the longitudinal axis of the panel, and the orientation of the fibers in the pieces is perpendicular to the plane of the surface layers, the ends of the pieces are displaced longitudinally relative to each other to a friend, characterized in that between the strips of pieces of mineral wool additionally introduced strips of pieces of expanded polystyrene, the longitudinal axis of which is parallel to the longitudinal axis of the panel, the extreme stripes of the panel are made of pieces of mineral wool, and the width of a piece of expanded polystyrene is 1.25 the width of a piece of mineral wool, the length of a piece is 1-3 the lengths of a piece of mineral wool, these pieces are offset longitudinally relative to each other, and the imaginary lines intersecting the ends of adjacent pieces in the panel, pass through points, one of which lies on the central axis of the panel, and the other is any point on the end face of the piece lying in the extreme strip of the panel, with the formation of an internal angle in the range of 50-130 ° (RU 2270902, 2006).

The known panel also does not have sufficient fire resistance, is not technologically advanced in the manufacture of curtain wall systems and is relatively expensive.

Also known is a reinforced, lightweight, and resistant to deformation panel, capable of being supported in the frame to withstand shear stress loads, characterized in that it contains a homogeneous phase obtained by curing an aqueous mixture of reactive powders containing (dry) 35-75 wt. .% alpha calcium sulfate hemihydrate, 20-55 wt.% hydraulic cement, 0.2-3.5 wt.% lime and 5-25 wt.% active pozzolana, while the aforementioned homogeneous phase is uniformly reinforced with alkali-resistant glass fibers and it contains uniformly distributed ceramic microspheres, having an average diameter of about 10-500 microns (RU 2268148, 2004 YG).

The known panel also does not have sufficient fire resistance, is not technologically advanced in the manufacture of curtain wall systems and is relatively expensive.

As the closest analogue, a fire-resistant composite panel was selected, including a metal (iron) plate clamped on both sides by the main flame-retardant material, which can be used as a polyethylene composition, lined, in turn, with metal plates (JP 10030290 A, Е04В 1 / 94, 02/03/1998).

The disadvantages of this panel include its lack of fire resistance, a sufficiently large weight of the panel due to the presence of an additional metal plate, which complicates its use as a facing. The manufacturing technology of the known panel due to the presence of multilayer in it is also complicated.

The objective of the invention is to create a composite panel with the possibility of its universal use, including as a facing, with high fire resistance and technological manufacturing.

The objective of the present invention is solved in that in a fire-resistant composite panel comprising two surface layers of metal and an inner connecting layer based on a polyethylene composition, according to the claimed invention, the inner connecting layer based on a polyethylene composition is a homogeneous phase filled with fly ash microspheres obtained from burning coal, the internal cavities of which are filled with a flame retardant, which is used as crystals of ammonium polyphosphate and crystals of pentaerythritol.

Distinctive features from the closest analogue are the following:

- the implementation of the polyethylene composition in the form of a homogeneous phase filled with microspheres of fly ash obtained from the combustion of coal;

- filling the internal cavities of the microspheres with a flame retardant, which is used as crystals of ammonium polyphosphate and pentaerythritol crystals (which allows the microspheres to function as microcontainers with the formation of durable reinforcement in the inner layer, which prevents the burning of polyethylene and provides the necessary fire resistance of the panels.)

At the same time, the presence in the composite panel of only surface metal layers without an additional inner metal layer greatly facilitates the panel and increases the manufacturability of its manufacture.

Each component of the composition, ammonium polyphosphate crystals and pentaerythritol crystals, being a flame retardant, has the properties inherent to this functional group - it complicates the ignition process, absorbs a large amount of heat for melting, evaporation, which reduces the heating rate of protected materials, has intumescent properties. At the same time, the combined presence in the microspheres of ammonium polyphosphate crystals and pentaerythritol crystals allows to increase the fire resistance of the panel due to the achievement of a synergistic effect, which manifests itself independently of the ratio of components, which is currently regulated by the existing price for ammonium pentaerythritol and polyphosphate.

The invention is illustrated by drawings, where figure 1 shows a section of a panel, figure 2 is an enlarged fragment of a section of a panel.

The fire-resistant composite panel consists of two surface layers of metal 1,2 made, for example, of light alloy, and an inner connecting layer 3 based on polyethylene filled with hollow microspheres 4.

Fire-resistant composite panel is made as follows.

Previously, the microspheres 4 are immersed in a saturated aqueous solution of pentaerythritol and ammonium polyphosphate, the solution fills the internal cavity of the microspheres through microcracks on their surface. After heating and drying the microspheres, pentaerythritol and ammonium polyphosphate crystallize inside the microspheres, while the latter turn into microcontainers with pentaerythritol crystals and crystals of ammonium polyphosphate.

Further, by known technology, the microspheres are introduced into a mass of polyethylene granules, which are mixed before being fed into the extruder and fed to the panel molding. Fire-resistant composite panel operates as follows. When a surface fire occurs and the surface layers of metal 1, 2 of the composite panel are heated, the polyethylene is heated and microspheres 4 are heated at the same time, and when the temperature exceeds 200 ° C, pentaerythritol crystals change the tetragonal modification of the crystal lattice to cubic with an increase in volume. The microspheres as a result of this are destroyed with the release of products of thermal decomposition of pentaerythritol and ammonium polyphosphate into melting polyethylene, which contribute to the formation of a coke “cap” of porous foam coke with an increase in volume and a decrease in thermal conductivity (A.A. Berlin, Soros Educational Journal No. 9, 1996, pp. 62-63), contributing to the suppression of combustion of the Central layer of the panel.

The design of the composite panel provides good fire resistance (reduced combustibility, flammability, smoke generating ability, toxicity of combustion products and with a reduced spread of flame over the surface), is technologically advanced in manufacturing, and is universal in use.

Claims (1)

  1. Fire-resistant composite panel comprising two surface layers of metal and an inner connecting central layer based on a polyethylene composition, characterized in that the inner connecting central layer based on a polyethylene composition is a homogeneous phase filled with fly ash microspheres obtained from burning coal, internal cavities which are filled with a flame retardant, which is used as crystals of ammonium polyphosphate and crystals of pentaerythritol.
RU2008149670A 2008-12-16 2008-12-16 Fire-resistant composite panel RU2422598C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2008149670A RU2422598C2 (en) 2008-12-16 2008-12-16 Fire-resistant composite panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2008149670A RU2422598C2 (en) 2008-12-16 2008-12-16 Fire-resistant composite panel

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RU2008149670A RU2008149670A (en) 2010-06-27
RU2422598C2 true RU2422598C2 (en) 2011-06-27

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WO2017099996A1 (en) * 2015-12-08 2017-06-15 Whirlpool Corporation Insulating material and a method of its formation
US10222116B2 (en) 2015-12-08 2019-03-05 Whirlpool Corporation Method and apparatus for forming a vacuum insulated structure for an appliance having a pressing mechanism incorporated within an insulation delivery system
US10345031B2 (en) 2015-07-01 2019-07-09 Whirlpool Corporation Split hybrid insulation structure for an appliance
US10350817B2 (en) 2012-04-11 2019-07-16 Whirlpool Corporation Method to create vacuum insulated cabinets for refrigerators
US10365030B2 (en) 2015-03-02 2019-07-30 Whirlpool Corporation 3D vacuum panel and a folding approach to create the 3D vacuum panel from a 2D vacuum panel of non-uniform thickness
US10422569B2 (en) 2015-12-21 2019-09-24 Whirlpool Corporation Vacuum insulated door construction
US10422573B2 (en) 2015-12-08 2019-09-24 Whirlpool Corporation Insulation structure for an appliance having a uniformly mixed multi-component insulation material, and a method for even distribution of material combinations therein
US10429125B2 (en) 2015-12-08 2019-10-01 Whirlpool Corporation Insulation structure for an appliance having a uniformly mixed multi-component insulation material, and a method for even distribution of material combinations therein
US10514198B2 (en) 2015-12-28 2019-12-24 Whirlpool Corporation Multi-layer gas barrier materials for vacuum insulated structure
US10605519B2 (en) 2015-12-08 2020-03-31 Whirlpool Corporation Methods for dispensing and compacting insulation materials into a vacuum sealed structure
US10610985B2 (en) 2015-12-28 2020-04-07 Whirlpool Corporation Multilayer barrier materials with PVD or plasma coating for vacuum insulated structure
US10663217B2 (en) 2012-04-02 2020-05-26 Whirlpool Corporation Vacuum insulated structure tubular cabinet construction
US10712080B2 (en) 2016-04-15 2020-07-14 Whirlpool Corporation Vacuum insulated refrigerator cabinet
US10731915B2 (en) 2015-03-11 2020-08-04 Whirlpool Corporation Self-contained pantry box system for insertion into an appliance
US10808987B2 (en) 2015-12-09 2020-10-20 Whirlpool Corporation Vacuum insulation structures with multiple insulators
US10807298B2 (en) 2015-12-29 2020-10-20 Whirlpool Corporation Molded gas barrier parts for vacuum insulated structure
US10828844B2 (en) 2014-02-24 2020-11-10 Whirlpool Corporation Vacuum packaged 3D vacuum insulated door structure and method therefor using a tooling fixture
US10907888B2 (en) 2018-06-25 2021-02-02 Whirlpool Corporation Hybrid pigmented hot stitched color liner system
US10907891B2 (en) 2019-02-18 2021-02-02 Whirlpool Corporation Trim breaker for a structural cabinet that incorporates a structural glass contact surface
US10914505B2 (en) 2019-06-12 2021-02-09 Whirlpool Corporation Vacuum insulated door construction

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RU2464393C1 (en) * 2011-03-09 2012-10-20 Общество с ограниченной ответственностью "Краспан" Metal composite panel

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US10697697B2 (en) 2012-04-02 2020-06-30 Whirlpool Corporation Vacuum insulated door structure and method for the creation thereof
US10663217B2 (en) 2012-04-02 2020-05-26 Whirlpool Corporation Vacuum insulated structure tubular cabinet construction
US10746458B2 (en) 2012-04-02 2020-08-18 Whirlpool Corporation Method of making a folded vacuum insulated structure
US10350817B2 (en) 2012-04-11 2019-07-16 Whirlpool Corporation Method to create vacuum insulated cabinets for refrigerators
US10828844B2 (en) 2014-02-24 2020-11-10 Whirlpool Corporation Vacuum packaged 3D vacuum insulated door structure and method therefor using a tooling fixture
US10365030B2 (en) 2015-03-02 2019-07-30 Whirlpool Corporation 3D vacuum panel and a folding approach to create the 3D vacuum panel from a 2D vacuum panel of non-uniform thickness
US10731915B2 (en) 2015-03-11 2020-08-04 Whirlpool Corporation Self-contained pantry box system for insertion into an appliance
US10345031B2 (en) 2015-07-01 2019-07-09 Whirlpool Corporation Split hybrid insulation structure for an appliance
US10907886B2 (en) 2015-12-08 2021-02-02 Whirlpool Corporation Methods for dispensing and compacting insulation materials into a vacuum sealed structure
US10429125B2 (en) 2015-12-08 2019-10-01 Whirlpool Corporation Insulation structure for an appliance having a uniformly mixed multi-component insulation material, and a method for even distribution of material combinations therein
US10605519B2 (en) 2015-12-08 2020-03-31 Whirlpool Corporation Methods for dispensing and compacting insulation materials into a vacuum sealed structure
US10222116B2 (en) 2015-12-08 2019-03-05 Whirlpool Corporation Method and apparatus for forming a vacuum insulated structure for an appliance having a pressing mechanism incorporated within an insulation delivery system
US10105928B2 (en) 2015-12-08 2018-10-23 Whirlpool Corporation Super insulating nano-spheres for appliance insulation and method for creating a super insulating nano-sphere material
US10661527B2 (en) 2015-12-08 2020-05-26 Whirlpool Corporation Super insulating nano-spheres for appliance insulation and method for creating a super insulating nano-sphere material
US10422573B2 (en) 2015-12-08 2019-09-24 Whirlpool Corporation Insulation structure for an appliance having a uniformly mixed multi-component insulation material, and a method for even distribution of material combinations therein
WO2017099996A1 (en) * 2015-12-08 2017-06-15 Whirlpool Corporation Insulating material and a method of its formation
US10808987B2 (en) 2015-12-09 2020-10-20 Whirlpool Corporation Vacuum insulation structures with multiple insulators
US10422569B2 (en) 2015-12-21 2019-09-24 Whirlpool Corporation Vacuum insulated door construction
US10610985B2 (en) 2015-12-28 2020-04-07 Whirlpool Corporation Multilayer barrier materials with PVD or plasma coating for vacuum insulated structure
US10514198B2 (en) 2015-12-28 2019-12-24 Whirlpool Corporation Multi-layer gas barrier materials for vacuum insulated structure
US10807298B2 (en) 2015-12-29 2020-10-20 Whirlpool Corporation Molded gas barrier parts for vacuum insulated structure
US10712080B2 (en) 2016-04-15 2020-07-14 Whirlpool Corporation Vacuum insulated refrigerator cabinet
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US10914505B2 (en) 2019-06-12 2021-02-09 Whirlpool Corporation Vacuum insulated door construction

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Effective date: 20131227

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