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
1983-02-22
1984-08-07
Lilling, Herbert J.
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...
524444, 524450, 524505, 525 96, 525 98, 525 99, C08K 310
Patent
active
044645040
ABSTRACT:
The invention relates to a blend, based on polystyrene and/or impact resistant polystyrene, which is stress-corrosion, impact and cold resistant and flame retardant.
The blend according to the invention contains 50 to 98 mass % of polystyrene or impact resistant polystyrene, 0.01 to 15 mass % of zeolites with a pore size above 0.43 nm, 2 to 18 mass % of a styrene/butadiene block copolymer, 0 to 15 mass % of a flame retardant and 0 to 2 mass % of a surface-active agent.
The properties of the blend can be adjusted between wide limits by a suitable selection of the quality and quantity of the components.
The blend can be prepared by the processors themselves, whereby the selection of the available polystyrene types can be considerably increased.
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Balajthy Zoltan
Kiss Laszlo
Kocsis Jozsef K.
Kokai Rudolf
Nagy Peter
Lilling Herbert J.
Muanyagipari Kutato Intezet and Hutogepgyar
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