A method of treating silica fabric blankets to enhance the material from high temperatures and fire. The method comprising the steps of: coating a silica fabric blanket with dry superabsorbent polymer, storing the coated blanket in a water proof container, hydrating the coated blanket with water and covering a person or object with the hydrated coated blanket to provide enhanced protection to the person or object from high temperatures and fire.

A method of treating silica fabric blankets to enhance the material from high temperatures and fire. The method comprising the steps of: coating a silica fabric blanket with dry superabsorbent polymer, storing the coated blanket in a water proof container, hydrating the coated blanket with water and covering a person or object with the hydrated coated blanket to provide enhanced protection to the person or object from high temperatures and fire.

Methods for impregnating a liquid material into a rope are provided whereby a liquid material is provided in a tank which defines the liquid level in the tank. An impregnation unit containing a chamber at least partially immersed in the liquid material includes a vacuum-device operatively connected to the vacuum-outlet of the chamber so as to lower the pressure in the chamber below atmospheric pressure. The rope may therefore be passed through the liquid material in the tank and then inside and outside the chamber via the rope-inlet and rope-outlet of the chamber, while maintaining the pressure inside the chamber below the atmospheric pressure to thereby force the liquid material to fill at least part of the interstices between the fibers of the rope by penetrating between the fibers.

Methods for impregnating a liquid material into a rope are provided whereby a liquid material is provided in a tank which defines the liquid level in the tank. An impregnation unit containing a chamber at least partially immersed in the liquid material includes a vacuum-device operatively connected to the vacuum-outlet of the chamber so as to lower the pressure in the chamber below atmospheric pressure. The rope may therefore be passed through the liquid material in the tank and then inside and outside the chamber via the rope-inlet and rope-outlet of the chamber, while maintaining the pressure inside the chamber below the atmospheric pressure to thereby force the liquid material to fill at least part of the interstices between the fibers of the rope by penetrating between the fibers.

The present disclosure relates to a composition that includes a base layer having an outer surface and a first thickness and a material that includes a plurality of cellulose nanofibers in physical contact with the outer surface, where the composition has an average filtration efficiency of less than or equal to 90% for particles having a characteristic length between about 50 nm and about 100 m and the composition is characterized by an average inhalation resistance of less than or equal to 35 mm H.sub.2O as measured across the first thickness and the material.

The present disclosure relates to a composition that includes a base layer having an outer surface and a first thickness and a material that includes a plurality of cellulose nanofibers in physical contact with the outer surface, where the composition has an average filtration efficiency of less than or equal to 90% for particles having a characteristic length between about 50 nm and about 100 m and the composition is characterized by an average inhalation resistance of less than or equal to 35 mm H.sub.2O as measured across the first thickness and the material.