VARMEISOLERINGSMATERIALE AF SYNTAKTISK TYPE, APPARAT OG FREMGANGSMAADE TIL DETS FREMSTILLING OG ISOLERINGSMIDDEL OMFATTENDE ET SAADANT MATERIALE

• Main Authors: ARGY, GILLES, VERSCHAVE, ADRIEN, CHEYMOL, ANDRE, PHALIP, PATRICIA
• Format: Patent
• Language: Danish
• Published: 01.06.1993
• Edition: 5
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BLASTING; CHEMISTRY; COMPOSITIONS BASED THEREON; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERAL PROCESSES OF COMPOUNDING; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PIPES; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THEIR PREPARATION OR CHEMICAL WORKING-UP; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

Heat insulating material of the syntactic type comprising a filler of hollow glass microballs embedded in a matrix, and fabrication method. The matrix is selected from the family of elastomers such as natural rubber, polychloroprene, styrenebutadiene copolymers (SBR), butadiene-acrylonitrile copolymers (NBR), polynorbornenes, ethylene-propylene-diene monomers (EPDM), butyle rubbers and the like. For the fabrication of the material, hollow glass microballs are incorporated into a matrix in liquid or pulverulent phase, and the microballs and the matrix are mixed together without applying large shearing efforts and finally a cross-linking treatment is operated. The material is usable particularly for insulating underwater pipelines for the transportation of gas or oil from off-shore oil fields or urban heating conduits.