FR2838744A1 - Synthetic material for use in furnishing, construction and roofing applications comprises hollow glass spheres in a matrix of resin and sand - Google Patents

Abstract

Synthetic material for use in furnishing, construction and roofing applications comprises hollow glass spheres (2) in a matrix (1) of resin and sand. An Independent claim is also included for producing the material by pouring the liquid resin into a container, adding the hollow glass spheres, adding the sand, mixing, pouring the mixture into a mold, allowing the mixture to solidify, and storing and drying the product.

Description

flavoring of a polymer or copolymer of styrene.

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  COMPOSITION OF SYNTHETIC MATERIAL IN PARTICULAR

  FOR FIXED OR FIXED CONSTRUCTION EQUIPMENT

  MOBILE AND PROCESS FOR OBTAINING THE COMPOSITION

  The invention relates to the technical sector of the furnishing of furniture equipment, both for fixed constructions of housing, but also for movable constructions such as boats,

  caravans and the like, as well as in the field of construction.

  The concept of making support surfaces for tables, furniture, or wall hinges in synthetic material is known per se. Synthetic material which is established, for example, from rubber resins, polyester resins or the like is combined with natural products such as stone, granite and the like, and this also to give aesthetic effects. The problem lies in practice that the product obtained is heavy because it

  offers a relatively high density, of the order of 1.8 kg per m2.

  If, depending on the applications in fixed constructions, this may not be inconvenient, the weight of the load can be a constraint in certain

  applications where one seeks, on the contrary, weight reductions.

  It is. for example, in furniture and furnishings equipment

boats or caravans.

  In addition, according to the prior art, the products obtained have, for

  manufacturing reasons, a uniform and regular density.

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  The plaintiff also noted, in the building and construction sector in particular, that the planks of banks, arranged in edges of roofs, were very widely and often deteriorated very

  quickly because of the natural environment and rain, for example.

  The edge planks must be changed regularly so as not to

  give an unsightly appearance to the home.

  Very often, these wind edge planks produced by carpenters over relatively long lengths, so that their

  handling, due to the weight, is not always easy.

  From all of these observations, the applicant's reflection was therefore to seek possibilities for relief,

  substantially, products of the precise type.

  A first aim was therefore to seek to alleviate the products in question. A second goal was to seek to vary the density of the products

  milked in thickness to obtain new effects.

  A third goal was to facilitate installation and maintenance,

  in some applications, the above products.

  According to a first characteristic of the invention, the composition of synthetic material finding applications in the field of furniture equipment, fixed or mobile construction, the arrangement of

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  roofs, is remarkable in that it comprises, in all or part of its thickness, hollow glass beads, in particular microspherical, which wind drowned in the mass of resin and sand constitute the complementary compounds. According to another characteristic of the invention, the process for obtaining the composition of synthetic material implements the following phases: o - pouring of the synthetic resin in the liquid state in a container, - inclusion of the hollow glass beads , in particular microspheres, in the resin and impregnation of said beads in their volume, - inclusion of sand, - mixture of ['together and courage in a motile, - solidification of the composition obtained at room temperature, - storage and drying of the composition for obtaining an effect

hardness and solidification.

  These characteristics, and others still, will emerge well from the following

from the description.

  To fix the object of the invention illustrated in a nonlimiting manner in the figures of the drawings or: - Figure 1 is a sectional view of a composition obtained, according to the invention, in a nonlimiting application to a plane of work,

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  - Figure 2 is a schematic sectional view illustrating a product obtained according to [the invention, with a variation in density

  by a heterogeneous arrangement of hollow glass beads.

  In order to make the object of the invention more concrete, it is described

  now in a nonlimiting manner illustrated in the figures of the drawings.

  The composition referenced as a whole by (C) is made of synthetic resin (1) and is of the type including any type of relins, polyester, polystyrene or similar, known in the trade, in different

aforementioned applications.

  According to the invention, the composition receives a mass of hollow glass beads (2) of the microsphere type, such as those sold under the brand "SCOTCHLITE" from 3M INNOVATION. These hollow glass beads are distributed in a regular or irregular manner in the synthetic resin so as, entirely, to modify the zones of density of the

finished products, if necessary.

  Thus, in an example of application, the mixture of the established composition, according to the invention, for a surface of 1 m2 and with a thickness of 3 centimeters is as follows: dietary polyester resin: 13 kg hollow glass beads microspherics: 4.5 kg

sand: 11 kg.

  Known additives are also reported to facilitate setting, to give coloring effects, to give external effects for

  a "gelcoat" type coating or a wood coating, or other.

  In the example illustrated, the mass of 4.5 kg of hollow glass beads replaces a mass of 20 kg of sand. We thus obtain a measurement density lower than 1, that is to say of the order of half less than the realization,

according to the prior art.

  0 A substantial reduction is therefore obtained in the products obtained according to the invention. In the example indicated, we thus pass from a weight of 44

  kg per m2 to 28.5 per m2 with the same solidity and the same effect.

  The implementation of the method according to the invention is as follows: pouring of a food-grade polyester resin, for example, in the liquid state into a container, - introduction of setting accelerator and base dye, - Introdi on of hollow glass beads in the middle of the outer sphere and mixing with a view to the total impregnation of said beads, - introduction of sand and cold mixing of the composition with, if necessary, the use of a setting catalyst, introduction of the mixture of the composition thus obtained into a mold with the forms to be established, obtaining of the solidification of the mixture in a time of the order of 20 to 30 minutes,

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  - drying and storage of the product obtained in order to allow its final solidification by evaporation of styrene, which consolidates the

  structure of the whole and its validity.

  The solidified composition thus obtained according to the invention offers numerous advantages: in addition to the lightness, the external appearance is improved because the product is rot-proof and waterproof therefore indeteriorable to water and the weather. Depending on its applications, it can receive an apparently waterproof film or, by its realization, it itself constitutes a barrier to

rainwater, for example.

  Thus, in the application of edge planks, the composition can be very advantageous, according to the invention, since its deterioration is limited or eliminated. Due to the lightness, the edge boards are easily adjustable for the operator. The composition can be

  treated with an external woolen coating giving it a wood look.

  Maintenance is easy. There is no more painting operation to perform

  regularly for the maintenance of said shore planks.

  More generally, the invention finds applications in the field of furniture equipment of all types of furniture for making

  cupboards, shelving, shelves, doors, worktops.

  Of course, in the caravan and boat application, the use of the invention is optimized because, by imparting and retaining the aesthetic appearance, the reduction in weight is notable in such applications.

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  According to another interesting arrangement of the invention, the homogeneous or variable distribution of the hollow glass beads can be established to give and accentuate unbalance effects for some types

  of products. Decorative objects can thus be produced.

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Claims (1)

CLAIMS -1- Composition in synthetic material finding applications in the field of furniture equipment, fixed or mobile construction, roofing arrangement, characterized in that it includes, in all or part of its thickness, hollow glass beads (2), in particular microspherical, which are embedded in the mass of resin (1) and sand constitute the complementary compounds. -2- Composition according to claim 1, characterized in that the hollow glass beads are distributed in a regular manner. -3- A composition according to claim 1, characterized in that the hollow glass beads are distributed irregularly to vary the density of the product obtained. -4- Method for obtaining the composition of synthetic material according to any one of claims 1, 2 and 3, characterized in that it implements the following phases: - pouring of the synthetic resin in the liquid state in a container, - inclusion of hollow glass beads, in particular microspherical, in the resin and impregnation of said beads in their volume, regularly or irregularly, - inclusion of sand, - mixture of the whole and courage in a motile, 9 2838744   - Solidification of the composition obtained at room temperature, storage and drying of the composition to obtain an effect hardness and solidification.   -5- The method of claim 4, characterized in that it includes additional phases relating to ['introduction of setting accelerator and base dye.   -6- Method according to any one of claims 4 and 5,   characterized in that the solidification phase of the mixture of the composition in the mold takes place in a time of the order of 20 to 30 minutes, and the drying and storage of the product obtained allows its   final solidification by evaporation of styrene.   -7- Use of the composition in synthetic material according to one   any of claims 1 to 6 in the production of edge planks.   -8- Use of the composition in synthetic material according to one   any of claims 1 to 6 of the realization of movable equipment