GB2307882A - Board - Google Patents

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Publication number
GB2307882A
GB2307882A GB9525085A GB9525085A GB2307882A GB 2307882 A GB2307882 A GB 2307882A GB 9525085 A GB9525085 A GB 9525085A GB 9525085 A GB9525085 A GB 9525085A GB 2307882 A GB2307882 A GB 2307882A
Authority
GB
United Kingdom
Prior art keywords
board
accordance
sheets
films
impregnated
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
GB9525085A
Other versions
GB9525085D0 (en
GB2307882B (en
Inventor
Alzualde Javier Ayestaran
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.)
Prodema SA
Original Assignee
Prodema SA
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 Prodema SA filed Critical Prodema SA
Priority to GB9525085A priority Critical patent/GB2307882B/en
Priority to FR9515610A priority patent/FR2742091B1/en
Priority to DE19549138A priority patent/DE19549138C2/en
Priority to NL1002038A priority patent/NL1002038C2/en
Publication of GB9525085D0 publication Critical patent/GB9525085D0/en
Publication of GB2307882A publication Critical patent/GB2307882A/en
Application granted granted Critical
Publication of GB2307882B publication Critical patent/GB2307882B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B32B21/06—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 paper or cardboard
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/026—Wood layer
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Description

2307882 1 BOARD Currently known board is made up with cores of timber
sheet or chipboard which have a limited life. It is used for a very specific purpose, for example appearance.
The applicant has developed a board of compound material, of the sandwich type, consisting of differentiated layers with the core different from the facing, providing a surface appearance of natural timber and a number of high performance features making it suitable for a very wide range of applications in construction, building, domestic fittings, decoration, etc. and providing it with optimum aging and durability.
According to this invention there is provided board, having a frontface and backface which comprises two sheets of laminated timber with a thickness of between 0.4 and 1.5 nim., and treated with a high dry extract phenolic resin, and having between them a core consisting of sheets of high substance absorbent cellulose sheets impregnated with phenolic resin, and on the timber sheet of the frontface an absorbent cellulose translucent/transparent film impregnated with polymerizing resins.
Its surfaces have a wide range of finishes in natural timbers and in different shades.
It is possible to offer various types of designs for the finishes.
It should be stressed that its good characteristics, both surface (waterproof, resistant to abrasion, cracking, UVA rays etc.) and those of the whole of the sandwich (physicochemical, mechanical, structural, etc.) make it a material which is highly suitable for use in the external environment (it is resistant to rain, ice, snow and sun, etc.).
In order to gain a better understanding of the present invention, a preferential form of the invention, susceptible of incidental changes which do not detract from its basis, is shown 2 in the drawings, in which:- Figure 1 is a sectional view of a board in accordance with the invention, and Figure 2 is a cutaway and exploded view of a practical realisation of the board with the different layers separated from one another to provide greater clarity.
Referring to the drawings a board 1 incorporates two sheets of timber mj, M2 laminated into a panel with a thickness e of each sheet of between 0.4 and 1.5 mm., treatedimpregnated with an alcohol-based high dry-extract >50% phenol-forTnaldehyde resin.
Other conditions for the timber sheets mj,M2are conventional such as stability, degree of humidity and the unrolling process.
If fire resistance of the board 1 is desired, the sheets m,,M2are treated by immersion in fire-proofing salts (arnmonium-phosphate) before treating with the phenol-formaldehyde resins mentioned above.
The board 1 has a face C, which is visible and a backfaceC2which may or may not be visible.
A group f of various films or laminates f,, f2, f3 are applied to the timber sheet m I, these being absorbent and lucent or parent cellulose sheets so that the user u can see, from the outside, the grain of the timber sheet m, and, where appropriate, that of the back surface sheet C2 can be similarly applied as will be described.
Some sheets f,, f2 have an aesthetic function and therefore they are impregnated with phenolic resins or other equivalent polymerizing resins together with the desired pigment, from absolute transparency to a given colour, with the corresponding transition zones, for 3 example, if it were wished to see the colour of the sheetM2, filMS fl, f2would be used with a transparent (colourless) pigment and, if an intermediate shade were required, a transparent film f, and another film f2pigmented with colour could be used, and so on in succession.
Other film sheets such as f3may have a utility ftmction and therefore the resins and the fillers may be different (silicon, heat-proofing, etc.., for example).
If the board 1 is intended to withstand abrasion, the film f, is impregnated with melamine and silicon; if it is intended that the colours should not degrade under the action of UVA rays, an acrylic resin is used in impregnating the film fi.
The core a consists of packages kI, k2... K of high-substance cellulose absorbent sheets, for example 190 gr/M2 at origin, impregnated with phenolic resin. These sheets are known as kraft board.
Packages kI, k2... K consist, as an example, of ten sheets (the number of "packages" and sheets/package depends on the final thickness for the core and the desired degree of uniformity) placed alternately with angular variations between the packages so that the cellulose fibres of the core a as a whole are multi-directional.
The backfaceC2consists of a group f of films f 1 f2, f3which can be made up in the same way as the films f,, f2, f3of face C, or in a similar manner, as has been explained, or in the case when the backfaceC2 is intended to be glued, fixed or applied to the floor, partition or wall, at least one sheet f l of the kraft type, out of those mentioned above as being used for the core a, is placed on the timber sheetM2.
Face C, and backfaceC2 can have designs or embossed patterns. This is achieved by means of moulds, with the design to be printed, placed between the board manufacturing 4 press plate and the board 1.
Preferably two or three films f,, f2, f3 are used on the face C,.
The conditions for pressing the board 1 with the degrees of humidity, temperatures and press time can be conventional.
The board 1 is cut into sections of a size and shape meeting the needs of the user and in accordance with the intended application.

Claims (8)

1. - Board, having a frontface and backface which comprises a) two sheets of laminated timber with a thickness of between 0.4 and 1.5 mm., and treated with a high dry extract phenolic resin, and having between them b) a core consisting of sheets of high-substance absorbent cellulose sheets impregnated with phenolic resin, and c) on the timber sheet of the frontface an absorbent cellulose translucent/transparent film impregnated with polymerizing resins.
2. - Board, in accordance with claim 1 wherein sheets in the core are placed alternately with angular variations between one another.
3. - Board, in accordance with claims 1 or 2 wherein two or more of the said films are provided and at least one of the films has a pigmented filler.
4. - Board, in accordance with any of claims 1, 2 or 3 wherein the backface has applied to it a film or films similar to those of the frontface.
5. - Board, in accordance with any one of claims 1-3 wherein the backface consists of at least one layer of high-substance absorbent sheet impregnated with phenolic resin.
6. - Board, in accordance with any one of claims 1-4 wherein one of the films has silicon as filler and melamine as resin.
7. - Board, in accordance with any one of claims 1-4 wherein one of the films is c 6 impregnated with an acrylic resin.
8. - Board, in accordance with any one of the preceding claims wherein the external surface has an embossed design.
GB9525085A 1995-12-07 1995-12-07 Board Expired - Fee Related GB2307882B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9525085A GB2307882B (en) 1995-12-07 1995-12-07 Board
FR9515610A FR2742091B1 (en) 1995-12-07 1995-12-08 SANDWICH COMPOSITE MATERIAL PANEL
DE19549138A DE19549138C2 (en) 1995-12-07 1995-12-29 Laminate board
NL1002038A NL1002038C2 (en) 1995-12-07 1996-01-08 Sheet material.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9525085A GB2307882B (en) 1995-12-07 1995-12-07 Board
FR9515610A FR2742091B1 (en) 1995-12-07 1995-12-08 SANDWICH COMPOSITE MATERIAL PANEL
DE19549138A DE19549138C2 (en) 1995-12-07 1995-12-29 Laminate board
NL1002038A NL1002038C2 (en) 1995-12-07 1996-01-08 Sheet material.

Publications (3)

Publication Number Publication Date
GB9525085D0 GB9525085D0 (en) 1996-02-07
GB2307882A true GB2307882A (en) 1997-06-11
GB2307882B GB2307882B (en) 1999-07-28

Family

ID=27438259

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9525085A Expired - Fee Related GB2307882B (en) 1995-12-07 1995-12-07 Board

Country Status (4)

Country Link
DE (1) DE19549138C2 (en)
FR (1) FR2742091B1 (en)
GB (1) GB2307882B (en)
NL (1) NL1002038C2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001005587A1 (en) 1999-07-15 2001-01-25 Prodema, S.A. Sandwich type panel
EP1110714A1 (en) * 1999-12-15 2001-06-27 Educa Sallent S.A. Laminate material for the manufacture of toys and games
WO2004009274A1 (en) * 2002-07-19 2004-01-29 Prodema, S.A. Sandwich-type panel

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2154967B1 (en) * 1998-02-13 2001-11-16 Prodema S A BOARD.
US6811628B1 (en) 2000-10-03 2004-11-02 3M Innovative Properties Company Method of finishing a wood substrate
DE10304333B3 (en) * 2003-02-04 2004-03-04 Kronotec Ag The wooden derivative panel, or especially laminate flooring panel, has a core of wood fibers or chippings compressed and mixed with bonding agent

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH477272A (en) * 1967-06-22 1969-08-31 Plotz Reinhold Laminate board
JPS50114560A (en) * 1974-02-25 1975-09-08
BR8603154A (en) * 1986-07-07 1988-03-08 Madeirit Ind Sa PROCESS FOR OBTAINING WATER RESISTANT, INTEMPERIES AND ATTACK OF FUNGI

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2096943A1 (en) * 1970-07-20 1972-03-03 Rougier & Fils Sa Reinforced plywood - with internal layers of resin impregnated (glass) cloth, mat or mesh
US3775230A (en) * 1971-11-01 1973-11-27 R Hilton Rigid laminate of creped secondary fiber sheets
DE2843971A1 (en) * 1978-10-09 1980-04-24 Roemmler H Resopal Werk Gmbh DECORATIVE LAMINATE PANEL WITH A SURFACE STRUCTURE
US4552792A (en) * 1984-10-31 1985-11-12 Champion International Corporation Decorative laminated wall panel and process for making same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH477272A (en) * 1967-06-22 1969-08-31 Plotz Reinhold Laminate board
JPS50114560A (en) * 1974-02-25 1975-09-08
BR8603154A (en) * 1986-07-07 1988-03-08 Madeirit Ind Sa PROCESS FOR OBTAINING WATER RESISTANT, INTEMPERIES AND ATTACK OF FUNGI

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001005587A1 (en) 1999-07-15 2001-01-25 Prodema, S.A. Sandwich type panel
US6703140B2 (en) * 1999-07-15 2004-03-09 Prodema, S.A. Sandwich type board
EP1110714A1 (en) * 1999-12-15 2001-06-27 Educa Sallent S.A. Laminate material for the manufacture of toys and games
WO2004009274A1 (en) * 2002-07-19 2004-01-29 Prodema, S.A. Sandwich-type panel
ES2200700A1 (en) * 2002-07-19 2004-03-01 Prodema S A Sandwich-type panel

Also Published As

Publication number Publication date
NL1002038A1 (en) 1997-07-09
NL1002038C2 (en) 1997-07-09
DE19549138A1 (en) 1997-07-03
FR2742091B1 (en) 1998-01-30
FR2742091A1 (en) 1997-06-13
DE19549138C2 (en) 1999-04-29
GB9525085D0 (en) 1996-02-07
GB2307882B (en) 1999-07-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20101207