Reinforcing plastic foam moulding compsn - by incorporating (glass) fibres into reaction mixt prior to polymn and foaming

The mechanical strength of foam moulding compsns. is improved by incorporating into the reaction mixt. for producing the plastic prior to polymn. or polycondensn. and decompsn. of the blowing agent, a uniformly dispersed reinforcing agent comprising vegetable, mineral or synthetic fibres, partic. gl...

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Bibliographische Detailangaben
Hauptverfasser:	PERIER,JACQUES, LEGRAND,BERNARD
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	The mechanical strength of foam moulding compsns. is improved by incorporating into the reaction mixt. for producing the plastic prior to polymn. or polycondensn. and decompsn. of the blowing agent, a uniformly dispersed reinforcing agent comprising vegetable, mineral or synthetic fibres, partic. glass fibres pref. 6-25 mm esp. 6 mm long. The moulding have improved rigidity and crush resistance. Compsns. are used for prodn. of structural elements, specif. underground containers (for hydrocarbons), laminated panels, cores and construction modules. The plastics may be polyesters, partic. mixed with water, polyethers, polyamides, epoxy, furan or phenolic resins or similar materials.