Hot melt wax coatings for fibrous substrates

Coating processes – Falling curtain of coating material utilized

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427443, B32B 704

Patent

active

049903780

ABSTRACT:
A process for coating a fibrous substrate with a hot melt wax composition is disclosed. The coating compositions comprise a mix of a fully refined paraffin wax, a petroleum wax selected from the group consisting of a recrystallized heavy intermediate wax and a microcrystalline wax and mixture thereof, a polymeric hydrocarbon compound, a tackifier resin optionally but preferred, a phenolic anti-oxidant.

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