Process for reinforcing nonwovens

Details Process for reinforcing nonwovens Process for reinforcing nonwovens

1976-01-12

1977-08-23

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427386, 427390R, 427430R, 427390A, 260 47EP, 260 7841, B05D 302, B05D 118

Patent

active

040441784

ABSTRACT:
A process for reinforcing nonwovens by the foaming process accompanied by the use of binding agents and foaming assistants is provided. The nonwovens are treated with preparations which contain at least one binding agent and as foaming agents and a reactive surfactant which is converted into the irreversibly insoluble state at elevated temperature and thereby loses its surface activity. The treated nonwovens are then subjected to a heat treatment, time-consuming washing and rinsing procedures of the treated materials are not necessary.

REFERENCES:
patent: 3598770 (1971-08-01), Moore et al.

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