Polyphosphazene compounding process

Details Polyphosphazene compounding process Polyphosphazene compounding process

1984-12-10

1985-08-13

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 93, 521180, 521189, 523351, 528399, 528167, C08J 900

Patent

active

045350957

ABSTRACT:
Process for compounding polyphosphazene gum by (a) mixing a composition comprising a curable polyphosphazene gum, filler, plasticizer and other conventional components but without any curing agent to form a non-curing masterbatch, (b) mixing a composition comprising a polyphosphazene gum and an excess amount of curing agent, at least 10 times that required to cure the phosphazene gum in this mixture and optionally containing other conventional components to form a concentrate and (c) blending the non-curing masterbatch from (a) with sufficient concentrate from (b) to provide an amount of curing agent sufficient to cure the entire resultant mixture.

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patent: 4124557 (1978-11-01), Dieck et al.
patent: 4124567 (1978-11-01), Dieck et al.
patent: 4136084 (1979-01-01), Dieck et al.

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