Phenyltetralylbutane as vinyl plasticizer

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...

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524477, 524485, C08K 501

Patent

active

044449380

ABSTRACT:
Phenyltetralylbutane (PTB) is used to plasticize polyvinylchloride (PVC) resins. The PTB in one embodiment is prepared by refluxing tetralin an flowing condensed vapors of the tetralin over a bed of strongly acidic catalyst, which may for example be a synthetic acid "Y" type zeolite. In one embodiment, the PTB is used as a secondary plasticizer, with a primary plasticizer such as di(2-ethyl)hexyl phthalate.

REFERENCES:
patent: 2289743 (1942-07-01), Warner et al.
patent: 2477717 (1949-08-01), Brandt

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