EP2910724A1 - Cadre rempli de matière thermo-isolante et son procédé de fabrication - Google Patents

Cadre rempli de matière thermo-isolante et son procédé de fabrication Download PDF

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Publication number
EP2910724A1
EP2910724A1 EP15154600.9A EP15154600A EP2910724A1 EP 2910724 A1 EP2910724 A1 EP 2910724A1 EP 15154600 A EP15154600 A EP 15154600A EP 2910724 A1 EP2910724 A1 EP 2910724A1
Authority
EP
European Patent Office
Prior art keywords
opening
heat
insulating material
frame
filling
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.)
Granted
Application number
EP15154600.9A
Other languages
German (de)
English (en)
Other versions
EP2910724B1 (fr
Inventor
Dirk Schäffner
Ann-Kathrin Herr
Gabriele Gärtner
Hark-Oluf Asbahr
Frank Menzel
Matthias Geisler
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.)
Evonik Operations GmbH
Original Assignee
Evonik Degussa 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 Evonik Degussa GmbH filed Critical Evonik Degussa GmbH
Priority to EP16182773.8A priority Critical patent/EP3128113A1/fr
Priority to PL15154600T priority patent/PL2910724T3/pl
Publication of EP2910724A1 publication Critical patent/EP2910724A1/fr
Application granted granted Critical
Publication of EP2910724B1 publication Critical patent/EP2910724B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42—Sliding wings; Details of frames with respect to guiding
    • E06B3/46—Horizontally-sliding wings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42—Sliding wings; Details of frames with respect to guiding
    • E06B3/46—Horizontally-sliding wings
    • E06B3/4609—Horizontally-sliding wings for windows
    • E06B3/4618—Horizontally-sliding wings for windows the sliding wing being arranged beside a fixed wing

Definitions

  • the invention relates to a frame filled with a heat-insulating material, and to a method for filling frames with a heat-insulating material.
  • DE4240431A1 discloses a method for filling frames, in which a heat-insulating material is introduced on fully assembled frame in the inner chambers of the frame-forming composite profiles.
  • the heat-insulating material is in the form of small particles. Specifically mentioned are silicates, metal oxides or foamed plastic materials such as polyamide, polyethylene, polystyrene or polyurethane.
  • the introduction of the heat-insulating material is preferably carried out by filling or in that it is blown from a reservoir and / or sucked. It is recommended that the heat-insulating material be placed at the highest point of the frame. It is further disclosed, in addition to at least one air inlet opening, at least one air outlet opening covered with a screen for retaining the particles.
  • CH703403A1 discloses a method for the complete filling of a hollow section, in which one can completely fill the cavities by blowing an insulating material. Furthermore, it is disclosed that the blowing can be assisted by a suction at a second opening and the injected material is to be distributed throughout the cavity.
  • AT3074U1 discloses a method in which a thermal insulation material is introduced by at least one filling opening as a granular material in the profile of a frame and that the filling opening is closed after insertion.
  • the insulating material is injected with compressed air into the insulating chambers. It is particularly favorable with regard to a complete filling, when the filling openings are made respectively in the corners of the frame or to be drilled.
  • thermal insulation materials are called foamed plastics and insulating fibers.
  • the frame is preferably a window frame.
  • Figure 1A shows a principal embodiment of the invention. Where a represents the frame, b the profiles forming the frame. The item numbers 1 to 4 correspond to the above-mentioned openings. The dotted area represents the heat-insulating material.
  • FIG. 1A shows the effect of the openings (3) and (4) on the side profiles in the corner to the upper profile.
  • the upper area of the side profiles is not filled.
  • the heat-insulating material has no constituents of more than 1000 microns.
  • Suitable silica are silica aerogels, precipitated silicas and fumed silicas. The best results are obtained with fumed silicas.
  • Pyrogenic silicas are prepared by flame hydrolysis of silicon compounds such as chlorosilanes.
  • a hydrolyzable silicon halide is reacted with a flame formed by combustion of hydrogen and an oxygen-containing gas.
  • the combustion flame thereby provides water for the hydrolysis of the silicon halide and sufficient heat for the hydrolysis reaction.
  • a silica prepared in this way is called fumed silica.
  • primary particles are initially formed, which are almost free of internal pores. These primary particles fuse during the process via so-called "sintering necks" to aggregates.
  • the primary particles have a diameter of about 5 - 50 nm.
  • the diameter of the aggregates is usually at 100 to 500 nm.
  • the aggregates can also aggregates in the form loosely adhering to each other Form aggregates.
  • the diameter of these agglomerates is in the range of 1 to 100 microns.
  • fumed silica is an ideal thermal insulation material because the aggregate structure provides sufficient mechanical stability, minimizes heat transfer through solid-state conductivity across the "sintered necks", and produces sufficiently high porosity.
  • fumed silicas having a BET surface area of 150-600 m 2 / g.
  • Explicitly mentioned are the AEROSIL ® 200, AEROSIL ® 300 or AEROSIL ® 380, all of them Evonik Industries.
  • the surface of the silicas may be modified by reaction with organosilanes.
  • Suitable hydrophobic fumed silicas are AEROSIL ® R972, Aerosil ® R974, Aerosil ® R106, Aerosil ® R202, Aerosil ® R805 and Aerosil ® R812, all Evonik Industries.
  • the frame may also contain IR opacifiers.
  • IR opacifiers Preference is given to titanium oxides, zirconium oxides, ilmenites, iron titanates, iron oxides, zirconium silicates, silicon carbides, manganese oxides, graphites and / or carbon blacks, or mixtures of substances which comprise at least one of the abovementioned constituents.
  • Particularly preferred is silicon carbide.
  • the particle size of the opacifiers is usually between 0.1 to 25 microns. In the case of silicon carbide and titanium oxides, the mean particle diameter d 50 is preferably 1 to 10 ⁇ m, more preferably 2 to 8 ⁇ m.
  • the proportion of opacifier particles on the heat-insulating material is preferably 10 to 30 wt .-%.
  • a thermal insulating material comprising silica and IR opacifier can be obtained by means of conventional solids mixing equipment such as a plowshare mixer.
  • the heat-insulating material is advantageously compacted to a bulk density of 100-200 g / l. In this area the thermal insulation is best.
  • the compression can be done for example by means of a vacuum roller compressor.
  • Another object of the invention is a method for filling the hollow profile of a frame with a heat-insulating material by applying in a first step to the opening (2) a negative pressure, the openings (3) and (4) holds closed and via opening (1 ) the heat-insulating material in the form of a pourable material, for example a powder, a powder mixture or granules so long aspirated until a degree of filling of 50 - 85% is reached,
  • a pourable material for example a powder, a powder mixture or granules so long aspirated until a degree of filling of 50 - 85% is reached
  • the opening (1) closes and over the opening (3) and (4) soak the heat-insulating material until a degree of filling of at least 95% is present.
  • the openings (3) and (4) allow filling in the upper corners of the cavity.
  • the opening (2) is designed as a pipe piece, wherein the pipe piece is in a position flush with the profile at the beginning of the filling, and at the end of the filling in a position in which it is up to 95% of the length protrudes into the cavity to the opposite wall of the cavity.
  • FIG. 2 illustrates this embodiment.
  • FIG. 2A shows the situation at the beginning of the filling.
  • FIG. 2B to the end of the filling.
  • the pipe section is flush with the cavity, ie it does not protrude into the cavity. Subsequently, the pipe section is pushed further into the cavity, so that there is only a small distance to the frame.
  • the suction is carried out by applying a negative pressure to the opening 2.
  • the negative pressure is to be chosen so that as little as possible or no heat-insulating material is discharged and the filling time is minimized.
  • the vacuum is 100 - 300 mbar.
  • Heat-insulating material A mixture of 80 parts by weight of AEROSIL® R974, Evonik Industries and 20 parts by weight Silcarbide Silica G14, ESK-SiC GmbH, is mixed by means of a plowshare mixer and then by means of a vacuum compacting roller, Vacupress, to a bulk density of 122 g / l and compacted a tamped density of 140 g / l.
  • Window frame For the experiment a model made of PLEXIGLAS®, Evonik Industries, with openings, M8 tapped hole is used.
  • the cavity to be filled has a height of 700 mm, a width of 550 mm, a web width of 40 mm and a depth of 17 mm. This results in a volume of 1.59 liters to be filled.
  • the respective test material is sucked into the window frame.
  • the negative pressure is by a water jet pump, Fa. Brand, final pressure ⁇ 16 mbar abs ; Power 400 l / h).
  • a filter Between the water jet pump and the opening (2) is a filter.
  • the filter used is an analysis filter AGF-PV-S2, Bühler® Technologies. He has a glass structure in which the material discharge is immediately recognizable.
  • Example 1 (comparison): The heat-insulating material is sucked in via the opening 1 and the venting takes place via the opening 2. The filter settles rapidly due to the material discharge. Replacing the filling and venting opening resulted in an even faster addition of the filter.
  • Example 2 (comparison): The heat-insulating material is sucked in through the opening 1 and the venting takes place via the opening 2. The performance of
  • Water jet pump is throttled to 80% to less fluidize the material and reduce material discharge.
  • the frame can be filled so evenly on both sides up to a height of about 500 mm and the upper surface almost completely. This corresponds to a filling level of approx. 83%.
  • the suction power at the filling opening 1 is equal to zero.
  • Increasing the water jet pump capacity from 80% to 100% leads to greater fluidization and discharge of the material due to the larger air flow. Due to larger agglomerates in heat-insulating material, there are always blockages in the pipes.
  • Example 3 (comparison): Shares of> 800 ⁇ m are sieved out of the heat-insulating material. The frame is then filled first as in Example 2. Thereafter, the opening 1 was closed and filled through the openings 5 and 8. The capacity of the water-jet pump is reduced from 80% to approx. 20% in order to reduce the fluidization and thus the material discharge. The filling level can be increased to approx. 89% with this setup. However, clear cavities are still visible in the upper corners.
  • Example 4 Shares of> 800 ⁇ m are sieved out of the heat-insulating material.
  • the frame is first filled via opening 1 and then via openings 7 and 8.
  • the power of the water jet pump is throttled from the beginning to about 30%. This has a positive influence on the sedimentation behavior of the compressed mixture and thus on the degree of filling.
  • the vent tube is flush with the inner cavity, i. it did not protrude into the cavity.
  • the tube is pushed further into the cavity, so that only a distance of 3 mm to the frame.
  • the degree of filling to about 98%. increase.
  • the average bulk density in the window frame of 150 g / l is calculated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermal Insulation (AREA)
EP15154600.9A 2014-02-20 2015-02-11 Cadre rempli de matière thermo-isolante et son procédé de fabrication Active EP2910724B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16182773.8A EP3128113A1 (fr) 2014-02-20 2015-02-11 Cadre rempli de matière thermo-isolante et son procédé de fabrication
PL15154600T PL2910724T3 (pl) 2014-02-20 2015-02-11 Rama wypełniona materiałem termoizolacyjnym i sposób jej wytwarzania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014203091.9A DE102014203091A1 (de) 2014-02-20 2014-02-20 Mit einem wärmedämmenden Material befüllter Rahmen und Verfahren zu dessen Herstellung

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP16182773.8A Division EP3128113A1 (fr) 2014-02-20 2015-02-11 Cadre rempli de matière thermo-isolante et son procédé de fabrication
EP16182773.8A Division-Into EP3128113A1 (fr) 2014-02-20 2015-02-11 Cadre rempli de matière thermo-isolante et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP2910724A1 true EP2910724A1 (fr) 2015-08-26
EP2910724B1 EP2910724B1 (fr) 2019-04-03

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EP16182773.8A Withdrawn EP3128113A1 (fr) 2014-02-20 2015-02-11 Cadre rempli de matière thermo-isolante et son procédé de fabrication
EP15154600.9A Active EP2910724B1 (fr) 2014-02-20 2015-02-11 Cadre rempli de matière thermo-isolante et son procédé de fabrication

Family Applications Before (1)

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EP16182773.8A Withdrawn EP3128113A1 (fr) 2014-02-20 2015-02-11 Cadre rempli de matière thermo-isolante et son procédé de fabrication

Country Status (4)

Country Link
EP (2) EP3128113A1 (fr)
DE (1) DE102014203091A1 (fr)
DK (1) DK2910724T3 (fr)
PL (1) PL2910724T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017097768A1 (fr) * 2015-12-10 2017-06-15 Evonik Degussa Gmbh Procédé d'isolation thermique d'un contenant pouvant être mis sous vide
WO2018134275A1 (fr) 2017-01-18 2018-07-26 Evonik Degussa Gmbh Matériau granulaire thermo-isolant et son procédé de fabrication
US11427506B2 (en) 2016-07-29 2022-08-30 Evonik Operations Gmbh Method for producing hydrophobic heat insulation material
US11920735B2 (en) 2017-06-09 2024-03-05 Evonik Operations Gmbh Method for thermally insulating an evacuable container
US11958981B2 (en) 2018-07-17 2024-04-16 Evonik Operations Gmbh Granular mixed oxide material and thermal insulating composition on its basis
US11987528B2 (en) 2018-07-18 2024-05-21 Kingspan Insulation Limited Process for hydrophobizing shaped insulation-material bodies based on silica at ambient pressure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3324723A1 (de) * 1983-07-08 1985-01-17 Industrieverband Brandschutz im Ausbau e.V., 5000 Köln Feuerschutztuer
DE4240431A1 (de) 1992-12-02 1994-06-09 Wicona Bausysteme Gmbh Verfahren zur Verbesserung der Wärmedämmung an Rahmen aus wärmegedämmten Verbundprofilen
AT3074U1 (de) 1998-12-03 1999-09-27 Technoplast Kunststofftechnik Verfahren zur herstellung von rahmen für fenster oder türen
EP1296013A1 (fr) * 2001-07-07 2003-03-26 Bemofensterbau Gmbh Profilé de construction résistant au feu et procédé pour sa fabrication
CH703403A1 (de) 2010-07-06 2012-01-13 Swissstarsysteme Ag Rahmen.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2579844C2 (ru) * 2011-07-27 2016-04-10 Эвоник Дегусса Гмбх Способ изготовления гидрофобных теплоизоляционных формованных изделий

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3324723A1 (de) * 1983-07-08 1985-01-17 Industrieverband Brandschutz im Ausbau e.V., 5000 Köln Feuerschutztuer
DE4240431A1 (de) 1992-12-02 1994-06-09 Wicona Bausysteme Gmbh Verfahren zur Verbesserung der Wärmedämmung an Rahmen aus wärmegedämmten Verbundprofilen
AT3074U1 (de) 1998-12-03 1999-09-27 Technoplast Kunststofftechnik Verfahren zur herstellung von rahmen für fenster oder türen
EP1296013A1 (fr) * 2001-07-07 2003-03-26 Bemofensterbau Gmbh Profilé de construction résistant au feu et procédé pour sa fabrication
CH703403A1 (de) 2010-07-06 2012-01-13 Swissstarsysteme Ag Rahmen.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017097768A1 (fr) * 2015-12-10 2017-06-15 Evonik Degussa Gmbh Procédé d'isolation thermique d'un contenant pouvant être mis sous vide
US11427506B2 (en) 2016-07-29 2022-08-30 Evonik Operations Gmbh Method for producing hydrophobic heat insulation material
WO2018134275A1 (fr) 2017-01-18 2018-07-26 Evonik Degussa Gmbh Matériau granulaire thermo-isolant et son procédé de fabrication
US11920735B2 (en) 2017-06-09 2024-03-05 Evonik Operations Gmbh Method for thermally insulating an evacuable container
US11958981B2 (en) 2018-07-17 2024-04-16 Evonik Operations Gmbh Granular mixed oxide material and thermal insulating composition on its basis
US11987528B2 (en) 2018-07-18 2024-05-21 Kingspan Insulation Limited Process for hydrophobizing shaped insulation-material bodies based on silica at ambient pressure

Also Published As

Publication number Publication date
EP3128113A1 (fr) 2017-02-08
DK2910724T3 (da) 2019-06-24
DE102014203091A1 (de) 2015-08-20
PL2910724T3 (pl) 2019-09-30
EP2910724B1 (fr) 2019-04-03

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