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Material compuesto con aislamiento térmico

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOBG20190211002
Publicado:
08/03/2019
Caducidad:
08/03/2020
Resumen:
Un instituto de investigación búlgaro ha desarrollado un material compuesto basado en silicato con aislamiento acústico y térmico, impermeable y no combustible. Se trata de un producto ecológico, duradero y resistente a las fluctuaciones de temperatura que se prepara en forma de gránulos hechos de vidrio residual. El material consiste en gránulos de vidrio expandido de 5 a 20 mm de diámetro, pegados con un sistema coloide disuelto en agua autoadhesivo basado en silicato. El material presenta un coeficiente de conductividad térmica de a = 0,050 - 0,055 W/mK, un coeficiente de absorción acústica de 30 a 40 dB, una densidad de 180 a 220 kg/m3 y una resistencia a la compresión de 4 a 5 MPa. La cooperación en materia de investigación permitirá incrementar el potencial del material al aplicarse en paneles con aislamiento acústico y térmico de paredes divisorias no portantes, así como aumentar el catálogo de materiales de la construcción.

Details

Tittle:
Composite Thermal Insulating Material
Summary:
Non-combustible, waterproof, sound- and thermal-insulating composite material on silicate basis has been developed in Bulgarian research institute. Product is ecological, durable and resistant to temperature fluctuations. The material is prepared from granules made of glass waste. Research cooperation will increase the potential of the material to be applied for sound- and thermal-insulating panels for non-supporting partition walls and would extend the product scope of the building materials.
Description:
Bulgarian research unit has produced a prototype ready for demonstration of composite material. The composite material consists of expanded glass granules (diameter 5 - 20 mm), glued together by self-bonding water dispersed colloid system on silicate basis. The material has thermal conductivity coefficient a = 0.050 - 0.055 W/mK, sound absorption 30 - 40 dB, bulk density from 180 to 220 kg/m3 and compressive strength 4 - 5 MPa. The composite material is produced in blocks, of which the needed element is cut out by conventional tools. It can be applied to isolate the spaces around windows and doors to ensure fire security as per the applicable regulations.
The technology for producing products of expanded glass granules is simple and cheaper than the classical expanded glass. A variety of products with different shape and function can be obtained: plates, pipes, blocks, panels, etc.
The technology consists of three stages - preparation of the raw material of glass waste, expanding of the granules in horizontal furnace or inclined rotary furnace, production of the final elements.
The institute seeks for research and development cooperation partner in order to improve the material and to increase the potential to be applied for sound and thermal-insulating panels for non-supporting partition walls.
Advantages and Innovations:
The technology is simple and cheap and easy to be applied.
Stage of Development:
Prototype available for demonstration
IPs:
Patent(s) applied for but not yet granted

Partner sought

Type and Role of Partner Sought:
- The institute is looking for industrial partners;
- Specific area of activity of the partner: partner sought related to the production of construction thermal insulation;
- Task to be performed: research cooperation agreements for testing of the prototype.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
Bulgarian
English
Russian

Keywords

Technology Keywords:
04007004 Aislamiento térmico
02007007 Cristal
02006001 Materials, components and systems for construction
10003004 Reciclaje, recuperación
10001003 Tecnología de seguridad contra incendios