Mixt. for cellular plastics prodn

Mixt. for the prodn. of cellular plastics contains 31.0-65.5 (wt.)% phenol-HCHO novolak resin (I), 1.2-5.2 (2.2-3.3)% AIBN, 3.7-10.4 (6-7.8)% hexamethylenetetramine (II) and 9.4-64.1 (34.0-40.7)% filler, which consists of volcanic rock (III) with a particle size of 5-300 (20-100) microns, which has...

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Bibliographische Detailangaben
Hauptverfasser:	7)S I ATAMANOV, 6)E F LAKHTIKOVA, 8)R A KULYGINA, 1)G M CHERENKOVA, 10)S S MATIN, 3)V A OGONIANTS, 9)I G ZELINSKY, 11)B K SUKHAROV, 4)M V PANICHKIN, 2)J G GORBACHEV, 5)T V MALIKOVA
Format:	Patent
Sprache:	eng ; swe
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Mixt. for the prodn. of cellular plastics contains 31.0-65.5 (wt.)% phenol-HCHO novolak resin (I), 1.2-5.2 (2.2-3.3)% AIBN, 3.7-10.4 (6-7.8)% hexamethylenetetramine (II) and 9.4-64.1 (34.0-40.7)% filler, which consists of volcanic rock (III) with a particle size of 5-300 (20-100) microns, which has been pretreated at 100-500 deg. C. (III) is perlite, obsidian, pumice, volcanic slag or volcanic ash. The mixt. can also contain up to 700% (III) in the form of 3-30 mm granules or up to 480% artificial porous filler (expanded perlite, ceramisite or granulated foamed glass). The mixt. is useful for producing thermal insulating material for use in building, shipbuilding, refrigeration, etc. It has a low mol. wt., high thermal protection properties and satisfactory mechanical strength and resistance to heat and fire. The amt. of resin needed is relatively small.