EP0943029B1 - Reinforcement materials and methods for the preparation thereof - Google Patents
Reinforcement materials and methods for the preparation thereof Download PDFInfo
- Publication number
- EP0943029B1 EP0943029B1 EP97949841A EP97949841A EP0943029B1 EP 0943029 B1 EP0943029 B1 EP 0943029B1 EP 97949841 A EP97949841 A EP 97949841A EP 97949841 A EP97949841 A EP 97949841A EP 0943029 B1 EP0943029 B1 EP 0943029B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- resin
- strengthening
- net
- sensitive
- adhering
- 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.)
- Expired - Lifetime
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0081—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments by wave energy or particle radiation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
Definitions
- the present invention relates to a method for manufacturing a self-adhesive strengthening material and to the thus obtained material and its applications.
- Cracks or deformations can occur in buildings and structural works such as roads, bridges, viaducts and the like owing to uneven expansion and shrinkage, settling of the building or structural work, too high a load and so on.
- a good example in road-building is the forming of ruts in asphalt roads due to overloading.
- Forming of cracks in buildings can for instance also occur in the finish thereof, such as in building materials applied therein such as gypsum plaster or cement plaster, or in floors, terraces, asphalt roofs, outside wall insulation systems and the like.
- the building material used is generally strengthened by means of a strengthening material.
- Known strengthening materials consist of open-mesh woven fabrics or webs, the fibres of which are generally protected against wear or the action of acids and/or bases by means of a resin. When used in building materials the strengthening material is then pressed into the preferably still wet base layer, whereafter a finishing layer is applied.
- JP-A-7,068,542 it is known to provide a reinforcing fibrous matrix impregnated with a sticky thermosetting resin.
- a sticky thermosetting resin In order to make one side non-sticky, an additional layer of a thermoplastic resin is applied onto the sticky surface, thus requiring an additional step and material.
- the above described method has a great number of advantages.
- Making the strengthening material self-adhesive as well as the encapsulation or impregnation of the strengthening fibres are carried out in one process.
- the coating layer and the glue are one product the binding strength of the strengthening fibres of the net with the resin is maximal.
- the self-adhesive strengthening material according to the invention has the advantage that no extra glue has to be applied. This not only saves the glue but also the operation of applying the glue.
- the invention further relates to the strengthening material which can be obtained by means of the method according to the invention.
- a self-adhesive strengthening material comprises for instance a coarse-mesh net consisting of strengthening fibres, which strengthening fibres are at least partially encapsulated or impregnated with an adhesive resin which is made non-adhering on one side of the net, wherein the resin is sensitive to, or can be made sensitive to, UV-light, and making the resin non-adhering on one side takes place by radiating the net, which is encapsulated or impregnated with resin on one side with UV-light.
- the strengthening material according to the invention can optionally be combined with other strengthening materials, such as threads, non-wovens, membranes, rovings, mats and others.
- the strengthening material according to the invention is particularly suitable as reinforcement for building materials and in particular for use in road-building, for instance as reinforcement in asphalt.
- the strengthening material according to the invention When the strengthening material according to the invention is fixed to surfaces or walls, it remains lying or hanging in place. This facilitates the processing, whereby it can also be used overhead and against vertical or inclining surfaces. However, as long as no finishing layer of asphalt, cement, plaster, paint, stucco and the like has been applied thereover, the strengthening material can be removed without damage and then fixed once again. This is particularly effective when the surface is dry and dust-free.
- the strengthening material is non-adhering on one side, it can be supplied for instance as a roll. Because it is non-adhering on one side the strengthening material is moreover not dirtied and does not adhere to machines, material, hands or feet during manufacture or when the finishing layers are applied.
- the open net structure ensures that the subsequent finishing layers penetrate well through the strengthening material and anchor it firmly to the base and the subsequent layers. It hereby comes to form part of the whole and can absorb all pressure and tensile forces, shear stresses and the like. The occurrence of cracks as a result of the settling of the ground, for instance in the case of walls, floors, roads etc. is thereby reduced or even prevented.
- the strengthening material according to the invention is used in asphalt roads it prevents the rut formation which occurs as a result of road traffic, in particular by trucks during the summer.
- a resin which can be made partially self-adhesive in one way or other.
- a resin which is sensitive to, or can be made sensitive to, UV light wherein making the resin non-adhering on one side takes place by radiating the net, which is encapsulated or impregnated with resin, on one side with UV light.
- examples of such resins which are UV-sensitive or can be made UV-sensitive are acrylate resins or a mixture of a plurality of acrylate resins with each other or with other types of resin.
- the net is for instance a woven fabric or web, and can be manufactured by weaving, knitting, stitching together, tying together or mutually adhering strengthening fibres.
- the strengthening fibres can have a random mutual angle. Angles between approximately 45° and 90° are recommended.
- the strengthening fibres forming the net can be threads or rovings, which are manufactured for instance from glass, carbon, aramid, polyester, acryl, polyvinyl alcohol or combinations thereof.
- the above mentioned materials and net-forming methods are of course only examples which have a particular preference but which can be replaced by the skilled person by equivalents which also fall within the scope of the present invention.
- the invention further comprises a method for strengthening building materials, comprising the arrangement of the strengthening material on a base layer and applying thereover one or more finishing layers.
- the finishing layers can be plaster layers of gypsum or cement, layers of asphalt, concrete, paint, stucco and the like.
- a roving of 1 x 600 Tex per centimetre is woven onto a warp consisting of two threads of 272 Tex per centimetre.
- An open-mesh or coarse-mesh woven fabric hereby results with a mesh size of 1 cm 2 .
- This woven fabric is subsequently coated with a UV-sensitive self-adhesive acrylate dispersion and after drying irradiated on one side with UV lamps in order to make this side non-adhering.
Description
Claims (8)
- Method for manufacturing a self-adhesive strengthening material, comprising the steps of:a) providing a coarse-mesh net consisting at least partially of strengthening fibres;b) at least partly encapsulating or impregnating the strengthening fibres of the net with a coating layer of adhesive resin; andc) making the resin non-adhering on one side of the net, characterized in that the resin is sensitive to, or can be made sensitive to, UV light, and making the resin non-adhering on one side takes place by radiating the net, which is encapsulated or impregnated with resin, on one side with UV light.
- Method as claimed in claim 1, characterized in that the resin which is UV-sensitive or can be made UV-sensitive is an acrylate resin or a mixture of a plurality of acrylate resins with each other or with other types of resin.
- Method as claimed in claims 1 and 2, characterized in that providing of the net takes place by weaving, knitting, stitching together, tying together or mutually adhering the strengthening fibres.
- Method as claimed in claims 1, 2 and 3, characterized in that the strengthening fibres forming the net form a mutual angle between 0 and 90°, preferably between 45° and 90°.
- Method as claimed in any of the claims 1-4, characterized in that the strengthening fibres forming the net are threads or rovings, which are manufactured from glass, carbon, aramid, polyester, acryl, polyvinyl alcohol or combinations thereof.
- Self-adhesive strengthening material comprising a coarse-mesh net consisting of strengthening fibres, which strengthening fibres are at least partially encapsulated or impregnated with an adhesive resin which is non-adhering on one side of the net, characterized in that the resin is sensitive to, or can be made sensitive to, UV light, and making the resin non-adhering on one side takes place by radiating the net, which is encapsulated or impregnated with resin, on one side with UV light.
- Use of a self-adhesive strengthening material as claimed in claim 6, as reinforcement for building materials, in particular for use in road-building.
- Method for strengthening building materials, comprising of arranging a strengthening material as claimed in claims 6 or 7 on a basis and applying thereover one or more finishing layers.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1004692 | 1996-12-04 | ||
NL1004692A NL1004692C2 (en) | 1996-12-04 | 1996-12-04 | Reinforcing materials and methods for their manufacture. |
PCT/BE1997/000131 WO1998024966A1 (en) | 1996-12-04 | 1997-12-03 | Reinforcement materials and methods for the preparation thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0943029A1 EP0943029A1 (en) | 1999-09-22 |
EP0943029B1 true EP0943029B1 (en) | 2002-07-31 |
Family
ID=19763992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97949841A Expired - Lifetime EP0943029B1 (en) | 1996-12-04 | 1997-12-03 | Reinforcement materials and methods for the preparation thereof |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0943029B1 (en) |
AU (1) | AU5304698A (en) |
NL (1) | NL1004692C2 (en) |
WO (1) | WO1998024966A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03277682A (en) * | 1989-04-26 | 1991-12-09 | Nichiban Co Ltd | Laminated self-adhesive material |
JP3006180B2 (en) * | 1991-07-17 | 2000-02-07 | 日立化成工業株式会社 | Photocurable moisture-proof insulating paint and method of manufacturing moisture-proof insulated electronic components |
JPH06228512A (en) * | 1992-12-28 | 1994-08-16 | New Oji Paper Co Ltd | Anti-slip pressure-sensitive adhesive sheet and its production |
JPH0768542A (en) * | 1993-08-31 | 1995-03-14 | Somar Corp | Prepreg having non-sticking surface and production thereof |
-
1996
- 1996-12-04 NL NL1004692A patent/NL1004692C2/en not_active IP Right Cessation
-
1997
- 1997-12-03 WO PCT/BE1997/000131 patent/WO1998024966A1/en active IP Right Grant
- 1997-12-03 AU AU53046/98A patent/AU5304698A/en not_active Abandoned
- 1997-12-03 EP EP97949841A patent/EP0943029B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL1004692C2 (en) | 1998-06-05 |
WO1998024966A1 (en) | 1998-06-11 |
EP0943029A1 (en) | 1999-09-22 |
AU5304698A (en) | 1998-06-29 |
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