C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
C04B20/10—Coating or impregnating
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
Landscapes
Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Ceramic Engineering
(AREA)
Materials Engineering
(AREA)
Structural Engineering
(AREA)
Organic Chemistry
(AREA)
Composite Materials
(AREA)
Mechanical Engineering
(AREA)
Silicates, Zeolites, And Molecular Sieves
(AREA)
Curing Cements, Concrete, And Artificial Stone
(AREA)
Procede de traitement de la chenevotte tiree d'un chanvre monoique en vue de l'obtention d'agregats durcis utilisables comme isolant ou comme charge dans la confection d'un beton, et beton obtenu par ce procede