B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/134
B32B 27/10 (2006.01)
Patent
CA 1127952
Abstract of the Disclosure A laminated material comprises surface layers of paper impregnated with amino formaldehyde resin and inner layers of paper containing a flame retardant material and impregnated with phenol formaldehyde resin. The flame retardant material is a product of interaction of aluminium or copper compound with phosphoric acid and nitrogen bases and contains, in weight percent: P2O5 total 37 to 63 P2O5 water-soluble O to 6 NH3 3.5 to 11 MO 18 to 43 where MO is at least one metallic oxide, the flame retardant material content ranging from 4 to 8 weight percent, with the following ratio of the laminated material components, in weight percent: paper for surface layers 9 to 26 paper for inner layers 26 to 49 phenol-formaldehyde resin 16 to 30 amino-formaldehyde resin 5 to 26 The laminated material according to the invention has a combustibility index in the range of 0.1 to 0.5.
322495
Basilaev Bronislav F.
Eliseeva Irina P.
Ershova Margarita A.
Golynkina Valentina B.
Gurylev Sergei M.
Leningradsky Zavod Sloistykh Plastikov
Swabey Ogilvy Renault
Vsesojuznoe Nauchno-Proizvodstvennoe Obiedinenie Tselljulozno-Bu
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