EP0014208A1 - Etancheite des bords d'un materiau en plaque - Google Patents
Etancheite des bords d'un materiau en plaqueInfo
- Publication number
- EP0014208A1 EP0014208A1 EP79900411A EP79900411A EP0014208A1 EP 0014208 A1 EP0014208 A1 EP 0014208A1 EP 79900411 A EP79900411 A EP 79900411A EP 79900411 A EP79900411 A EP 79900411A EP 0014208 A1 EP0014208 A1 EP 0014208A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- resin composition
- edge
- moisture
- resistant
- resin
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
- B29C70/76—Moulding on edges or extremities of the preformed part
- B29C70/763—Moulding on edges or extremities of the preformed part the edges being disposed in a substantial flat plane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
- B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
- B32B19/045—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/06—Unsaturated polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
- B32B2307/736—Shrinkable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/14—Mineral wool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/16—Wood, e.g. woodboard, fibreboard, woodchips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2386/00—Specific polymers obtained by polycondensation or polyaddition not provided for in a single one of index codes B32B2363/00 - B32B2383/00
Definitions
- This invention relates to a method for sealing the edge of plate material as well as edge-sealed plate materials.
- the method according to the invention for edge- sealing of a plate material comprises that the edge surfaces of said material are provided with a circum ⁇ ferential layer of a curable resin composition, said resin composition being of a nature which shrinks during curing, and that said layer of resin compo- . sition is cured to form a peripheral, coherent and fixed edge moulding.
- edge-seal Materials which it is of particular interest to edge-seal according to the invention are plate mate- ' rials comprising an ordinarily non-moisture-resistant core or base material, f.ex. chipboard, the surfaces of which have been made moisture-resistant, f.ex. by coverage with a moisture-resistant, laminate.
- f.ex. chipboard an ordinarily non-moisture-resistant core or base material
- the surfaces of which have been made moisture-resistant, f.ex. by coverage with a moisture-resistant, laminate To en ⁇ sure that such plates having moisture-resistant surf- aces may be useful under moist conditions, it is of decisive importance that also the edge can be made moisture-resistant.
- This invention provides a method for sealing the edge of plate materials, whereby there is obtained an edge-sealing having great resistance to moisture and changing weather conditions.
- Plates having moisture and weather-resistant surfaces and having the edges sealed according to the invention have wide utility, such as for different types of structural and building materials with parti ⁇ cular requirements to moisture-resistance, such as building facings, shower rooms and the like, equipment for boats and ships, furniture for outdoor use, etc.
- plates being edge-sealed according to the invention may also be used for purposes requiring no particular moisture-resistance, but where use of the edge-sealed plates is desirable , f.ex. for aesthe- tical reasons.
- the resin composition used for the edge-sealing is of a nature which shrinks during curing. It has been found appropriate to use a resin composition with a shrinkage of preferably not less than 2%, preferably 2 to 10%, and most preferred 5 to 8%.
- the plate material t the edge of which is to be sealed is provided on the edge surface with a circumferential layer of the resin composition which, if desired, may contain a filling material and/or a reinforcing material.
- the sealing operation may take place for example by placing the plate material in a frame surrounding the edge, said frame serving as a mould for moulding the resin composition, then the mould is filled, pre ⁇ ferably under pressure, with a flowable resin compo ⁇ sition which is then cured, preferably under addition of heat so as to form a peripheral, coherent and fixed edge moulding around the edge of the plate material.
- the edge-sealed plate can hereafter be withdrawn from the mould, part of the shrinkage possibly taking place by post-curing outside the mould. Although it is pre-, ferred to fill the mould under pressure, the filling operation may also take place by pouring or by means of vacuum.
- Examples of plate materials which may be edge- sealed according to the invention are: chipboard, straw- board, flaxboard, boards of different types of fibres such as mineral wool fibres, plastic foam boards, etc.
- the top and bottom surfaces of the plate materi ⁇ als may be made moisture-resistant for example by application, such as by glueing or welding, of moist ⁇ ure-resistant laminates, such as malamine laminate, plastic sheet, such as malamine sheet, possibly with decorative paper, application of lacquer film, f.ex. by stopping, filling or spraying or any other method known to those skilled in the art.
- the edge moulding of the cured resin material may have numerous different profiles.
- Figure 1 is a sectional view showing the edge portion of a plate element comprising a core material, such as for example chipboard, which on the two oppo ⁇ site surfaces is covered with moisture-resistant lami ⁇ nate sheets.
- the core material terminates a certain distance from the edges of the laminate sheets, and the resin moulding is moulded in the space defined by the core material and the laminate sheets.
- Figure 2 shows the above plate, partly from the top, and partly in sectional view.
- the space de ⁇ fined by the core material and the laminate sheets may for example be provided by removing the corresponding part of the core material by milling.
- a core material comprising a plast ⁇ ic foam material, f.ex. rigid polyurethane foam, may be moulded between possibly primed laminate sheets in a press, whereby strong solid steel profiles are in- serted between the marginal sections of the laminate sheets to a certain distance, for example 5 mm, from the border of the laminates.
- a certain distance for example 5 mm
- the desired gap or space which may then be sealed according to the invention. Nailing and screwing points may, if desired, be strengthened by inserting blocks of wood or similar bodies prior to the foaming operation.
- Resins useful for the resin composition or mould ⁇ ing compound used according to the invention are in particular polyesters, but also other resins which shrink during curing may be used, such as for example cellulose acetate, epoxy resins, silicone rubbers, and acrylic resins.
- polyester types may be mentioned un- saturated polyesters based on isophthalic acid, ortho- phthalic acid, bis-phenol and vinyl esters.
- the curing of the polyester resin is initiated by adding an accelerator and a catalyst.
- accelerator may for example be used an organic cobalt compound, such as cobaltoctoate, or an amine compound such as-dimethyl aniline
- catalyst may for example be used methylethylketone peroxide or other peroxide compounds, such as benzoyl peroxide or tert.-butylperoxyethylhexanoate.
- Polyesters useful in the moulding compound which is used for edge-sealing according to the invention typically shrink 5 to 8% by curing, and typically they have an elongation at rupture of 2.5 to 6%.
- the amount and type of catalyst and accelerator is typically so selected that there is obtained a gel time of 1.5 to 8 minutes at 80 - 90°C and a potlife at room tempera-
- the moulding compound may be dyed, in case of a polyester resin for example with a co ⁇ loured gel coat polyester and, furthermore, there may be added light filtering agents and fire-proofing agents.
- edge-moulding and for example the laminate sheet, with which the plate material is cover- ed obtain the same light sensitivity.
- light filtering agents may for example be used "TINUVIN 320" or "TINUVIN P" which are added in an amount of about 0.02 to about 0.05% based on the poly ⁇ ester resin.
- fire-proofing agents may for example be used chlorparaffin and antimony trioxide, and polyester moulding compounds to which has been added 4% chlor ⁇ paraffin and 4% antimony trioxide may be character ⁇ ised as being self-extinguishing according to the standard of ASTM D 635-68.
- the primer may be a poly ⁇ ester resin of the same type as used in the moulding compound whereto has been added styrene, and the primer may conveniently consist of two parts of polyester and one part of styrene whereto there is added about 2% of a commercial 10% dimethylaniline product as accelera ⁇ tor and about 1% of a commercial 50% benzoyl peroxide product as catalyst.
- the priming is appropriately per ⁇ formed 1 to 3 hours before moulding of the resin compo ⁇ sition.
- OMPI. /,, IPO -v, In the edge moulding may, if desired, be cast a layer of decorative paper by applying this ' to the mould with primer prior to the moulding operation.
- Jotun Group which is an isophthalic acid polyester, is mixed with 2 parts coboltoctoate (1%) as accelerator. Next there is added 15 parts "NORPOL GI” (distributed by the Jotun Group) , which is a dyed gel coat based on isophthalic acid polyester, as well as 1.2 parts methylethyIketone peroxide (50%) as catalyst.
- the resin composition thus obtained has a volume shrinkage on curing (ASTM D-2566) of 7 to 8% and a gel time at 20°C of 17-23 minutes. _
- Example 1 is repeated, with the exception that dimethylaniline (10%) 'is substituted for the accelera ⁇ tor and benzoyl peroxide (50%) is substituted for the catalyst, and there is obtained a resin composition having a volume shrinkage on curing (ASTM D-2566) of 7 to 8% and a gel time at 20°C of 23 - 30 min.
- the resin composition thus obtained has a gel time at 20°C of 25 - 32 min.
- Example 1 is repeated, with the exception that 1 part dimethylaniline (10%) is substituted for the accelerator and 1.2 parts “TRIGONOX S-21” (distributed by Akzo Chemie) (95% tert.butylperoxy-2-ethylhexanoate) are substituted for the catalyst, and there is obtained * .
- a resin composition having a volume shrinkage on curing " of 7 to 8% and a gel time at 80-90°C of 2 - 3 min.
- a plate material is edge-sealed in laboratory scale as follows.
- elamine laminate there is cut a circular test sample having a diameter of 190 mm.
- the chipboard material is removed between the laminate sheets to a depth of 5 mm by milling, corresponding to the embodiment shown in the drawing.
- the sample is set up in a mould encircling the edge of the plate.
- the mould is filled with the resin composi ⁇ tion of example 1 after addition hereto of about 1 volume glass powder per 4 volumes and the moulding com pound is cured at room temperature (21-22°C) for 45 minutes. Then the sample is withdrawn from the mould and post-cured for at least 24 hours at room tempera ⁇ ture before testing.
- test sample is subjected to accelerated test ⁇ ing in a climate box whith 100% relative humidity, whereby the temperature varies between room temperatur and 40°C according to the following 6 hours cycle: during half an hour heating from room temperature to 40°C, which is maintained for l,5h, with subsequent cooling during 0.5h to room temperature which is main ⁇ tained for 3.5h.
Abstract
Methode pour assurer une protection etanche des bords d'un materiau en plaque, en particulier d, un materiau en plaque comprenant un noyau ou materiau de base non resistant a l'humidite, dont les surfaces ont ete rendues resistantes a l'humidite, par exemple en les recouvrant avec un lamine resistant a l'humidite. La methode consiste a deposer sur les surfaces des bords dudit materiau une couche circonferentielle d'une composition de resine durcissable, ladite composition de resine subissant un retrait lors de son durcissement, et a laisser durcir ladite couche d'une composition de resine pour former un moulage fixe et coherent sur le pour tour des bords.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1385378 | 1978-04-08 | ||
GB1385378 | 1978-04-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0014208A1 true EP0014208A1 (fr) | 1980-08-20 |
Family
ID=10030564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP79900411A Withdrawn EP0014208A1 (fr) | 1978-04-08 | 1979-11-08 | Etancheite des bords d'un materiau en plaque |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0014208A1 (fr) |
JP (1) | JPS55500259A (fr) |
DE (1) | DE2945434A1 (fr) |
DK (1) | DK523079A (fr) |
GB (1) | GB2035898A (fr) |
SE (1) | SE7910043L (fr) |
WO (1) | WO1979000904A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2175820B (en) * | 1985-12-20 | 1989-10-11 | Strand Furniture Limited | Plastics laminated worktop |
IT1318513B1 (it) * | 2000-05-11 | 2003-08-27 | Pozzi Arosio Ind Vernici Speci | Metodo per produrre manufatti compositi e manufatto compositoottenuto. |
ITMI20012064A1 (it) * | 2001-10-05 | 2003-04-05 | Sacea Spa | Procedimento per la smussatura di pannelli in truciolato di legno o materiale simile e pannelli smussati cosi' ottenuti |
NZ546130A (en) * | 2003-09-19 | 2009-03-31 | Kingspan Res & Dev Ltd | A panel |
DE102015219108A1 (de) | 2015-10-02 | 2017-04-06 | Homag Gmbh | Verfahren sowie Vorrichtung zur Schmalflächenbeschichtung |
CN216380345U (zh) * | 2020-06-17 | 2022-04-26 | 程建平 | 一种三聚氰胺饰面板的无封边结构 |
CN113083646B (zh) * | 2021-04-06 | 2022-09-16 | 嵊州市艺匠木艺股份有限公司 | 铝木复合板侧面油漆涂装方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3388651A (en) * | 1966-01-28 | 1968-06-18 | Top Flite Models Inc | Covering for airplanes and method for applying same |
SE381071B (sv) * | 1974-01-11 | 1975-11-24 | Casco Ab | Beleggning och tetning av spanskivekanter |
SE396199B (sv) * | 1975-03-11 | 1977-09-12 | Casco Ab | Sett for beleggning av kanterna hos span- och trefiberskivor och liknande cellulosabaserade formkroppar |
-
1979
- 1979-04-06 JP JP50066279A patent/JPS55500259A/ja active Pending
- 1979-04-06 WO PCT/DK1979/000013 patent/WO1979000904A1/fr unknown
- 1979-04-06 DE DE792945434A patent/DE2945434A1/de active Pending
- 1979-04-06 GB GB7944215A patent/GB2035898A/en not_active Withdrawn
- 1979-11-08 EP EP79900411A patent/EP0014208A1/fr not_active Withdrawn
- 1979-12-06 SE SE7910043A patent/SE7910043L/xx unknown
- 1979-12-07 DK DK523079A patent/DK523079A/da not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO7900904A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPS55500259A (fr) | 1980-05-01 |
WO1979000904A1 (fr) | 1979-11-15 |
GB2035898A (en) | 1980-06-25 |
SE7910043L (sv) | 1979-12-06 |
DE2945434A1 (en) | 1980-12-11 |
DK523079A (da) | 1979-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed | ||
AK | Designated contracting states |
Designated state(s): FR |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19810801 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: NIELSEN, ROBERT THOR |