Method of forming a reinforced parchmented nonwoven product, and the product

A method of forming a layered precipitated nonwoven product comprising:

• a) Forming a nonwoven base sheet of at least non-cellulose fibers,
• b) Applying on the base sheet material sensitive to a gelatinizing agent,
• c) Associating said base sheet and said material together to form a composite sheet,
• d) Treating one of
• the base sheet before or during step c),
• the material sensitive to a gelatinizing agent before or during step c) and
• the composite sheet during or after step c)
• with a gelatinizing agent to partially dissolve some material sensitive to gelatinizing agent,
• e) Washing the gelatinized sheet to remove gelatinizing agent and to regenerate and to precipitate the material dissolved/gelatinized in step d), and
• f) Drying the product.

A method of forming a layered precipitated tubular nonwoven product comprising:

• a) Forming a nonwoven base sheet of at least non-cellulose fibers,
• b) Applying on the base sheet material sensitive to a gelatinizing agent,
• c) Associating said base sheet and said material together to form a composite sheet,
• d) Forming the composite sheet into a tube,
• e) Joining the edges thereof,
• f) Treating the composite sheet before steps d) and e) or the tube after step e) with a gelatinizing agent to partially dissolve some material sensitive to gelatinizing agent,
• g) Washing the tube to remove gelatinizing agent and to regenerate and to precipitate the material dissolved/gelatinized in step f), and
• h) Drying the product.