Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1994-03-23
1995-07-18
Nakarani, D. S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
428436, 428437, 524272, 524274, 524399, C08L 2914, C08L 9300
Patent
active
054342074
ABSTRACT:
Preparation of plasticizer-containing polyvinylbutyrals (PVB) which are suitable for the production of elastic interleaving films with improved adhesion-reducing properties for laminated glass panes of siliceous glass. They comprise, as adhesion-reducing additives, active amounts of salts of metals of groups Ia, IIa, IIb and IIIa of the periodic table of the elements and naturally occurring resin acids or derivatives of resin acids, and, if appropriate, customary stabilizers and auxiliaries. They are prepared by mixing the components and plasticizing the component mixtures. They can be shaped thermo-plastically by customary methods and are suitable for the production of plasticized PVB films which have advantageously improved adhesion-reducing properties with respect to siliceous glass panes and can advantageously be used for the production of siliceous laminated glass panes.
REFERENCES:
patent: 3855055 (1974-12-01), Kanno et al.
patent: 4287107 (1981-09-01), Hermann et al.
Hoechst Aktiengesellschaft
Nakarani D. S.
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