FIELD: storage of resol phenol-formaldehyde resin.
SUBSTANCE: method includes introduction of stabilising adder - hydrazine hydrate - in phenol-formaldehyde resin. Selection of hydrazine hydrate as stabilising adder is conditioned by its efficiency, availability and relatively low cost.
EFFECT: increase of phenol-formaldehyde resin stability.
3 tbl, 2 ex
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