EP3999707A1 - Insulation for door- and window-frames - Google Patents
Insulation for door- and window-framesInfo
- Publication number
- EP3999707A1 EP3999707A1 EP20739680.5A EP20739680A EP3999707A1 EP 3999707 A1 EP3999707 A1 EP 3999707A1 EP 20739680 A EP20739680 A EP 20739680A EP 3999707 A1 EP3999707 A1 EP 3999707A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cavity
- insulation
- aluminum
- fins
- foamed
- 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
Links
- 238000009413 insulation Methods 0.000 title claims description 64
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 58
- 239000000203 mixture Substances 0.000 claims abstract description 57
- 229920000642 polymer Polymers 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 229920000728 polyester Polymers 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000004088 foaming agent Substances 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 27
- -1 polyethylene terephthalate Polymers 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000005187 foaming Methods 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 229920001169 thermoplastic Polymers 0.000 claims description 10
- 239000004416 thermosoftening plastic Substances 0.000 claims description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 9
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 9
- 229920002215 polytrimethylene terephthalate Polymers 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical class CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 7
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims description 6
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical class COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 6
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical class CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 claims description 6
- 229920001283 Polyalkylene terephthalate Polymers 0.000 claims description 5
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 5
- 239000004156 Azodicarbonamide Substances 0.000 claims description 4
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 4
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 4
- 229920001038 ethylene copolymer Polymers 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000013043 chemical agent Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- KJUGUADJHNHALS-UHFFFAOYSA-N 1H-tetrazole Substances C=1N=NNN=1 KJUGUADJHNHALS-UHFFFAOYSA-N 0.000 claims description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- 150000005323 carbonate salts Chemical class 0.000 claims description 2
- 150000002429 hydrazines Chemical class 0.000 claims description 2
- 239000011253 protective coating Substances 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 150000003536 tetrazoles Chemical class 0.000 claims description 2
- 239000006260 foam Substances 0.000 abstract description 42
- 239000004411 aluminium Substances 0.000 abstract 6
- 238000002048 anodisation reaction Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000005855 radiation Effects 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000007743 anodising Methods 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229920006245 ethylene-butyl acrylate Polymers 0.000 description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 2
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 2
- 229920006225 ethylene-methyl acrylate Polymers 0.000 description 2
- 239000005043 ethylene-methyl acrylate Substances 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229920006345 thermoplastic polyamide Polymers 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004727 Noryl Substances 0.000 description 1
- 229920001207 Noryl Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229920006285 olefinic elastomer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
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
- E06B3/26301—Frames with special provision for insulation with prefabricated insulating strips between two metal section members
- E06B3/26303—Frames with special provision for insulation with prefabricated insulating strips between two metal section members with thin strips, e.g. defining a hollow space between the metal section members
-
- 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
- E06B3/06—Single frames
- E06B3/08—Constructions depending on the use of specified materials
- E06B3/12—Constructions depending on the use of specified materials of metal
- E06B3/14—Constructions depending on the use of specified materials of metal of special cross-section
- E06B3/16—Hollow frames of special construction, e.g. made of folded sheet metal or of two or more section parts connected together
-
- 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
- E06B3/277—Frames with special provision for insulation with prefabricated insulating elements held in position by expansion of the extremities of the insulating elements
-
- 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
- E06B2003/26321—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section with additional prefab insulating materials in the hollow space
-
- 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
- E06B3/06—Single frames
- E06B3/08—Constructions depending on the use of specified materials
- E06B3/12—Constructions depending on the use of specified materials of metal
- E06B3/14—Constructions depending on the use of specified materials of metal of special cross-section
- E06B3/16—Hollow frames of special construction, e.g. made of folded sheet metal or of two or more section parts connected together
- E06B3/163—Hollow frames of special construction, e.g. made of folded sheet metal or of two or more section parts connected together with a filled cavity
Definitions
- the present invention relates to the insulation of aluminum profiles or frames for doors and windows and more particularly the insulation of the spaces between the interior and exterior profiles of a frame.
- Breaking the thermal bridge by barring is an insulation technique used on aluminum sashes and frames to increase the insulation performance of this type of frame.
- the principle is simple: a material that is not very thermally conductive (i.e. much less thermally conductive than aluminum) is crimped between the interior and exterior aluminum profiles of the sash and the frame to reduce reciprocal temperature exchanges of the inside to outside the building or vice versa.
- the bars are generally plastic profiles with an elongated cross section and having at each end of this section a mechanical fastening system complementary to a fastening system provided on the internal faces of the inner and outer profiles, for example a fixing to dovetail.
- the interior and exterior aluminum profiles assembled by these bars form a composite profile, also called a frame, thus generally comprising one or more cavities between the two profiles, hereinafter called barrettage cavity (s).
- barrettage cavity s
- the barrettage cavity is at least partially filled with a foamed polymer material.
- the filling of the barrettage cavity cannot be coextruded with the profile (as for example in EP 2 501 530 A1), but must be done at the time of the barrettage or after, therefore during or after the assembly of two interior and exterior profiles by means of bars.
- a polymer foam profile of appropriate cross section is inserted either by being fixed beforehand to one of the bars (filling during assembly) or even simply by sliding a polymer foam profile into the cavity via one of the ends. of the assembled frame (filling after assembly).
- the aluminum frames are for the most part covered with one (or more) layer (s) of finish applied according to known techniques.
- a technique often used is powder coating. Powder coating is a process used to paint profiles in a sustainable manner. Once the profiles have been stripped, cleaned of impurities and pretreated to ensure perfect adhesion of the lacquer, a paint powder, for example a polyester paint powder, is applied to them via an electrostatic powder coating, depositing colored particles. In an oven heated to about 200 ° C, the polymerization then hardens everything to stabilize the chosen coating.
- the anodizing operation which is an operation not involving high temperatures such as powder coating, consists in producing a thin layer of aluminum oxide (alumina) resistant to surface of a profile, which can act on its decorative appearance. It is carried out through controlled oxidation by chemical or electrolytic coloring.
- the parts to be anodized are immersed in several successive baths, which first ensure the preparation of the surface of the profile or the frame, then the production of alumina with, if desired, the deposition of a appearance and color and, finally, stabilization of the alumina layer by a so-called “sealing" operation consisting in hydrating the alumina layer in order to obtain good corrosion resistance.
- the presence of foam in the cavities of a profile or a frame can affect the anodizing operation mainly due to the phenomenon of capillarity at the places of contact of the foam with the walls of the cavity. Since anodization requires the successive contact of the surfaces to be treated with different solutions, the capillary action prevents complete flow and the correct rinsing of the surfaces after each operation. The anodization treatment therefore risks being incomplete at the places of contact with the foam, respectively the incompletely rinsed treatment products risk damaging the foam and therefore also resulting in a lesser or even no insulation effect on the foam profile. inserted.
- An object of the present invention is therefore to provide a polymeric foam profile of suitable cross section for insulating an aluminum profile cavity and preferably a bar cavity by reducing energy losses by convection and / or radiation, which can be used both in profiles or frames likely to be anodized, as those intended for powder coating.
- the present invention provides, in a first aspect, a method of isolating a cavity of an aluminum profile or of a bar cavity of a frame in aluminum door or window sash or frame, the process comprising the following steps:
- an insulation device comprising a foamed body of a first polymeric composition of cross section polygonal provided on at least one surface, preferably on (each of) two opposing surfaces with one or more foamed or non-foamed fins of a second polymeric composition, wherein the distance between said finned surface and the surface opposed thereto, respectively preferably between the two opposed surfaces provided with fins of the foamed body represents 80 to 97% of the distance between the corresponding faces of the cavity, in which the foamed body of the first polymer composition is at base of one or more (co) polyesters, preferably of polyalkylene terephthalate type, such as for example polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polybutylene naphthalate (PEN), polytrimethylene terephthalate (PTT) , etc.,
- PET polyethylene terephthalate
- PBT polybutylene terephthalate
- PEN polybutylene naphthalate
- (b ') anodization comprising immersing the aluminum profile or the aluminum frame in several successive baths ensuring the preparation of the surface of the profile or the frame, the production of alumina on said surfaces, optionally with the deposition of a appearance and / or color and stabilization of the alumina layer by a sealing operation.
- the process comprising steps (a) and (b), further comprises, before or after step (a), a step (x) of spraying a paint powder, for example polyester, preferably by electrostatic powder coating, on the outer faces of the aluminum profile or the aluminum frame, the polyester paint powder melting in step (b) to form a protective coating (powder coated).
- a paint powder for example polyester, preferably by electrostatic powder coating
- a process comprising steps (a), (x) and (b) is therefore a powder coating process as described above.
- Another aspect of the invention relates to a device for isolating a cavity of an aluminum profile or of a barrettage cavity of an aluminum frame of an opening or a door or window frame, comprising a foamed body of a first polymeric composition of polygonal cross section provided on at least one surface, preferably on (each of) two opposing surfaces with one or more foamed or non-foamed fins of a second polymeric composition, wherein the foamed body of the first polymer composition comprises a foam based on polyesters, preferably of the polyalkylene terephthalate type, such as, for example, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polybutylene naphthalate (PEN), polytrimethylene terephthalate (PTT), etc.
- PET polyethylene terephthalate
- PBT polybutylene terephthalate
- PEN polybutylene naphthalate
- PTT polytrimethylene terephthalate
- the problem of the insulation of a cavity is twofold: on the one hand the foam inside the cavity must cover the entire distance between the bars to be able to guarantee the absence of convection and / or radiation between the two internal faces of the two outer and inner profiles, and, in the case of a powder coating, it must remain intact even after a heats without the bars softened by the powder coating heat becoming deformed, and in the case of anodization, it must prevent the retention of liquids from successive baths by capillarity, that is to say, it must allow the correct drainage and rinsing of the surfaces of the profile or frame.
- the first polymer composition comprises (co) polyesters exhibiting good rigidity even at the high temperatures of powder coating.
- the inventors have found that by proceeding in this manner, the forces exerted by the foam subjected to thermal expansion is liable to deform the bars.
- the trend is to improve the insulation performance of the strips by making them less dense (by foaming for example) and / or thinner, which further increases the risk of deformation during powder coating.
- the inventors have observed that the foam can recontact (at least partially) during cooling to room temperature after heating or powder coating and thus again release part of the distance between the strips and therefore reduce performance insulation of the chassis.
- the inventors then designed the insulation devices according to the invention by slightly reducing the initial size of the foam body relative to the distance between two bars and by providing at least one side of the fins which at the temperature of heating or powder coating will soften or melt, will be crushed by the thermally expanding foam, above all, will solidify later (at a lower temperature) than the foam in the body and will thus not only fill any recontraction space, even if necessary glue the foam body to the bars.
- Such bonding depending on the choice of the nature of the second polymer composition, is moreover particularly advantageous, because it makes it possible to increase not only the insulation performance, but also the mechanical rigidity of the assembly.
- the inventors have determined that in certain variants, for the isolation device to be particularly suitable in an isolation process comprising steps (a) and (b) or steps (a), (x) and (b), it is preferable to choose the second polymer composition preferably from polymer compositions capable of softening or of melting at a temperature below a temperature between 180 and 250 ° C.
- an isolation device can also be useful in an isolation process comprising steps (a) and (b) or steps (a), (x) and (b), even though the softening or melting temperature of the second composition is only slightly lower, or even identical, to that of the first composition, that is to say of the foamed body.
- the fins being located closer to the surfaces of the profile, they tend to heat up more quickly than the foamed body. It is to highlight that in these cases, however, the heating step must be controlled more precisely both in terms of temperature and in terms of heating time.
- the fins provided according to the invention play the role of spacer elements which make it possible to maintain the surface or surfaces of the foam body at a certain distance from the corresponding surfaces of the profile or frame, of preferably at a distance of 4 to 8 mm, preferably 5 to 6 mm, so as to ensure the normal flow (without capillary effect) of the liquids from the treatment baths.
- the inventors have further determined that it is not essential to avoid losses by convection and / or radiation that the opposite sides of an insulation device according to the invention cover the entire distance between the corresponding surfaces of the profile or frame (i.e. the insulation device must be in contact on two opposite sides with the profile or frame), but a gap of up to approx. 2 to 3 mm, preferably up to about 1 to 2 mm, does not significantly decrease the insulation performance. Indeed, it has been observed that a slit of such a small width does not allow significant convection through the slit (and therefore a significant loss of heat). This is also true for the radiation losses which are extremely low and therefore negligible under these conditions.
- an insulation device according to the invention can be chosen so as to be up to 3 mm, preferably up to 1 to 2 mm below those of the cavity without reducing the insulation performance, even in the case of an anodizing process without an additional expansion step of the foam.
- a particular advantage is that the isolation device is all the easier to insert into said cavity.
- the fins can be of generally any cross section, preferably of polygonal shape and particularly preferably of roughly triangular or trapezoidal section.
- the number of fins per side of the foam body will be chosen appropriately, in particular according to the dimensions of the cavity to be insulated, and will often be between 1 and 10, preferably between 2 and 5.
- the insertion of the isolation device in step (a) can be done in any suitable manner.
- the isolation device is inserted into the bar cavity after the profiles have been assembled into a frame by inserting it through one end of the frame.
- the isolation device is inserted with one of the bars at the time of assembly.
- the fixing of the insulation device on the bar is done for example by gluing, welding, coextrusion, etc.
- the fins are located at least on the side opposite to the side attached to the bar and possibly on other sides, but not on the side attached to the bar.
- the side attached to the bar effectively prevents the capillary effect in the event of anodization.
- the insulation method according to the invention is used for the insulation of a bar cavity of an aluminum frame.
- the fins or at least part of them are located facing a bar, either in direct contact or at a very small distance of less than 3 mm, or even less than 2 mm.
- the first polymer composition is preferably a composition comprising (co) polyesters, in particular PET, PBT, PTT, PEN, ..., or mixtures thereof, as the sole polymers or optionally in combination with other (co) polymers, such as impact modifying polymers known for (co) polyesters, ethylene copolymers, such as ethylene-vinyl acetate (EVA) copolymers, ethylene-methyl acrylate (EMA) copolymers , ethylene-ethyl acrylate (EEA) copolymers, ethylene-butyl acrylate (EBA) copolymers, ethylene copolymers modified with groups such as, for example, maleic anhydride or glycidyl methacrylate, etc., , elastomeric thermoplastics (TPE), such as polyester elastomer thermoplastics (TPC), unvulcanized (TPO) or vulcanized (TPV) ole
- EVA ethylene-vinyl acetate
- EMA
- the second polymer composition comprises one or more polymers chosen from crosslinked polyethylene, copolymers of ethylene modified or not by groups such as by example maleic anhydride, thermoplastic elastomers (TPE, such as TPS, TPU, TPC, TPV, TPO), (co) polyesters (PET, PBT, PTT, PEN, etc.) and is optionally foamed.
- TPE thermoplastic elastomers
- the densities of the fins will generally be greater than 25 kg / m 3 , preferably between 100 kg / m 3 and the non-foamed density of the second polymer composition.
- the first polymer composition that is to say - say the foamed body
- the second polymer composition that is to say the fins
- foaming agent (s) additional to the other physical and / or chemical foaming agents used for the initial foaming of these compositions, an amount between 0.001 and 5% by weight, preferably between 0.01 and 3% by weight, in particular from 0.1 to 2% by weight of at least one chemical foaming agent chosen from chemical agents which decompose at temperatures higher than those used for the initial foaming of the foamed body, preferably the chemical agents which can be used which decompose at high temperatures temperatures above 180 ° C and are chosen advantageously from hydrazine derivatives, such as azodicarbonamide, t
- chemical post-foaming in the case of chemical foaming agents is done by the additional volume of gas generated by the decomposition of the chemical foaming agent, the gas initially contained in the cells and the gas generated during heating to more high temperature being moreover simultaneously subjected to thermal expansion.
- the first polymer composition and / or the second polymer composition therefore introduced before the initial foaming of the foamed body and / or where appropriate of the fins, can (t / vent) understand, as the only agent foaming agent or in addition to other physical and / or chemical foaming agents commonly used for foaming such compositions, an amount between 0.001 and 5% by weight, preferably between 0.01 and 3% by weight, in particular 0 , 1 to 2% by weight of at least one physical foaming agent that is liquid at room temperature (and at atmospheric pressure), preferably chosen from alkanes having a boiling point greater than 25 ° C, in particular n-pentane , isopentane or cyclopentane, hexanes (all isomers), heptanes, etc., or else from ethanol, dimethyl ether, etc., or mixtures thereof.
- the only agent foaming agent or in addition to other physical and / or chemical foaming agents commonly used for foaming such compositions an amount between 0.001 and 5%
- foaming agents in the first and / or second polymer composition will cause post-foaming inside the cavity during heating or powder coating.
- the phenomenon responsible for the so-called physical post-foaming in the case of liquid physical foaming agents at ambient temperatures results not only from the liquefaction and then the re-evaporation of the initial physical foaming agent, but results from a combination with the phenomenon of gas exchange through cell walls. This phenomenon is well known in the field and is the reason why the gas initially responsible for foaming will generally be gradually exchanged by atmospheric air.
- the so-called physical post-foaming described here benefits the air permeability and the liquefaction of normally liquid agents at room temperature which results in the entry of air into the cells being increased by reducing the volume of the agent.
- the cells therefore not only contain the amount of foaming agent initial (whose volume is reduced by its change of state), but also a large quantity of air. If such a foam is subsequently heated, its volume will consequently increase further, when the liquid foaming agent evaporates again.
- step (b) does not negatively influence the performance of the isolation device.
- step (b) it is moreover envisaged to also perform step (b).
- the foaming agents which can be used for the initial foaming of the first and / or second polymeric compositions can be physical or chemical foaming agents or a combination of these two types.
- the physical foaming agents such as in particular molecular nitrogen, carbon dioxide, linear or branched C 1 to C 4 alkanes, are present in the form of gas under normal temperature and pressure conditions. These gases or liquids are soluble in the polymer compositions melted at high temperature and under high pressure and form a single phase under the appropriate conditions of pressure and temperature. By depressurizing the monophasic system, the nucleation and growth of gas bubbles that have become insoluble generate a cellular structure.
- the foaming agent (s) are preferably chosen from propane, isobutane, n-butane and / or carbon dioxide.
- Chemical foaming agents decompose when the temperature rises. They can be classified into two families: exothermic chemical foaming agents, such as azodicarbonamide, OxydiBenzeneSulfonyl Hydrazide, etc. which decompose by producing heat.
- exothermic chemical foaming agents such as azodicarbonamide, OxydiBenzeneSulfonyl Hydrazide, etc. which decompose by producing heat.
- azodicarbonamide decomposes at around 210 ° C (see above if its decomposition is not desired during the initial foaming), but in the presence of a suitable decomposition accelerator, such as zinc oxide and / or zinc stearate, the decomposition temperature can be lowered by about 60 ° C.
- Endothermic chemical foaming agents break down on absorbing heat. For example, citric acid,
- the invention also relates to aluminum profiles or aluminum frames comprising at least one cavity provided with an insulation device as described here.
- the aluminum profiles or aluminum frames have been subjected to powder coating or anodization after the insertion of the insulation device in at least one of the cavities of the profile or frame.
- the cavity provided with an insulation device according to the invention is a barrettage cavity of a frame.
- the invention contemplates in yet another aspect the use of an insulation device according to the invention for the insulation of cavities in aluminum profiles or in bar cavities of an aluminum frame for improve their insulation performance.
- a barrettage cavity is the cavity formed when two profiles are attached (generally one intended to be located outside and one intended to be located inside a building) by means of bars in order to avoid a thermal bridge between the two profiles.
- a barrettage cavity is therefore generally of polygonal section, often roughly rectangular, delimited on the one hand by two bars and on the other hand by the internal faces (facing each other) of the two profiles.
- the bars that can be used for the barrettage of two sections to form a frame are those generally used in the field, preferably they are made of polyamide, in particular of polyamide 6.6, as a mixture composed of poly (phenylene oxide) and polystyrene ( PS / PPO), for example Noryl, dense or foamed, possibly reinforced with glass fibers, and they have a generally essentially linear central section comprising at each end a partial section allowing mechanical fixing with a corresponding section provided on the profiles, for example example a so-called dovetail or similar section. It should be noted that the bars may have a more complex cross section, but they nevertheless always comprise at least two regions for mechanical attachment of (at least) two sections. Brief description of the drawings
- Fig. 1 is a cross section through one embodiment of an insulation device according to the invention
- Fig. 2 is a cross section through an embodiment of a door or window frame, in which a variant of an insulation device according to Fig. 1 was inserted into a barrette cavity, before the heating procedure (b) or the anodization procedure (b ’); and
- Fig. 3 is a cross section through the door or window frame embodiment of FIG. 2, in which is shown the variant of an insulation device in the barrettage cavity after having been subjected to heating (step (b)), for example during powder coating.
- FIG. 1 shows a variant of an insulation device 40 according to the invention which comprises a foamed body 41 and fins 42 arranged on at least one side (here two opposite sides) of the foamed body 41.
- the foamed body 41 preferably has the shape of the cross section of the cavity to be isolated, but its dimensions are smaller (at least in the direction joining the bars), for example 80 to 97% of the distance between the corresponding opposite sides of the cavity .
- the fins 42 can be non-foamed (compact) or foamed.
- FIG. 2 shows the isolation device 40 shown in FIG. 1 after its insertion into a cavity (11, 21, 31), here the bar cavity 31 of a frame formed by the inner profile 10, the outer profile 20 and the bar formed by the bars 30.
- the isolation device 40 has not yet undergone post-foaming treatment by heating to higher temperatures than during its extrusion so as to decompose the chemical post-foaming agent.
- the insulation device will remain essentially unchanged (unlike in the case of heating as in step (b)) and it can be seen in Fig. 1 that the configuration of the device insulation makes it possible to avoid capillarity phenomena and therefore allows easy flow of the treatment bath liquids.
- This figure also illustrates in a certain way the case of the insulation device having undergone heating (step (b)) in the absence of chemical foaming agent after cooling and recontraction of the foamed body, except that in this particular case the fins would have lost their original shape due to the compression by the expansion of the foamed body due to heating and their stretching due to the recontraction of the foamed body on cooling.
- FIG. 3 shows the isolation device 40 of FIG. 2 after the heating procedure (step (b)), for example after powder coating, in the particular case where the foamed body 41 included a certain quantity of chemical foaming agent not yet decomposed before heating and / or a foaming agent physical liquid at room temperature, as described in more detail above, the foamed body having increased in volume by post-foaming (and also by physical expansion of the gas contained in the cells of the foam) and having crushed the softened fins 42 or melted, then resolidified after cooling to room temperature.
- the molten and resolidified fins 42 adhere both to the bars 30 and to the foamed body 41 thus forming an effective insulation device against convection and / or radiation between the two outer 20 and inner 10 sections of the frame.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Refrigerator Housings (AREA)
- Special Wing (AREA)
- Wing Frames And Configurations (AREA)
- Door And Window Frames Mounted To Openings (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI202030261T SI3999707T1 (en) | 2019-07-18 | 2020-07-13 | Insulation of door and window frames |
DE20739680.5T DE20739680T1 (en) | 2019-07-18 | 2020-07-13 | INSULATION FOR DOOR AND WINDOW FRAMES |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE20195471A BE1027432B1 (en) | 2019-07-18 | 2019-07-18 | DOOR AND WINDOW FRAME INSULATION |
PCT/EP2020/069752 WO2021009120A1 (en) | 2019-07-18 | 2020-07-13 | Insulation for door- and window-frames |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3999707A1 true EP3999707A1 (en) | 2022-05-25 |
EP3999707B1 EP3999707B1 (en) | 2023-08-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20739680.5A Active EP3999707B1 (en) | 2019-07-18 | 2020-07-13 | Insulation of door and window frames |
Country Status (7)
Country | Link |
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EP (1) | EP3999707B1 (en) |
BE (1) | BE1027432B1 (en) |
DE (1) | DE20739680T1 (en) |
ES (1) | ES2961633T3 (en) |
PL (1) | PL3999707T3 (en) |
SI (1) | SI3999707T1 (en) |
WO (1) | WO2021009120A1 (en) |
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DE102020114544A1 (en) * | 2020-05-29 | 2021-12-02 | Salamander Industrie-Produkte Gmbh | Extrusion profile, method for producing an extrusion profile and door and / or window system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202008000076U1 (en) * | 2008-01-11 | 2009-02-19 | Henkenjohann, Johann | A multi-chamber hollow profile |
US8632868B2 (en) | 2009-11-21 | 2014-01-21 | Mikron Industries, Inc. | Integrated insulation extrusion and extrusion technology for window and door systems |
EP2799654B1 (en) * | 2013-04-30 | 2015-11-04 | Recticel N.V. | Method of assembly of a window profile comprising insulation material |
-
2019
- 2019-07-18 BE BE20195471A patent/BE1027432B1/en active IP Right Grant
-
2020
- 2020-07-13 PL PL20739680.5T patent/PL3999707T3/en unknown
- 2020-07-13 WO PCT/EP2020/069752 patent/WO2021009120A1/en unknown
- 2020-07-13 EP EP20739680.5A patent/EP3999707B1/en active Active
- 2020-07-13 ES ES20739680T patent/ES2961633T3/en active Active
- 2020-07-13 DE DE20739680.5T patent/DE20739680T1/en active Pending
- 2020-07-13 SI SI202030261T patent/SI3999707T1/en unknown
Also Published As
Publication number | Publication date |
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DE20739680T1 (en) | 2022-09-08 |
BE1027432A1 (en) | 2021-02-09 |
ES2961633T3 (en) | 2024-03-13 |
WO2021009120A1 (en) | 2021-01-21 |
EP3999707B1 (en) | 2023-08-09 |
BE1027432B1 (en) | 2021-02-15 |
PL3999707T3 (en) | 2024-02-05 |
SI3999707T1 (en) | 2023-10-30 |
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