Process of making zinc borate and fire-retarding compositions th

Details Process of making zinc borate and fire-retarding compositions th Process of making zinc borate and fire-retarding compositions th

1991-11-22

1994-08-30

Lewis, Michael

Compositions

Fire retarding

For solid synthetic polymer and reactants thereof

423280, 423622, C09K 2102, C01B 3512

Patent

active

053425537

ABSTRACT:
Zinc borate compositions having a ZnO:B.sub.2 O.sub.3 ratio of 4:1. The hydrated zinc borate 4ZnO.B.sub.2 O.sub.3.H.sub.2 O and anhydrous zinc borate 4ZnO.B.sub.2 O.sub.3 are especially useful as fire-retardants and smoke-suppressant additives for polymeric compositions.

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