Method of neutralizing acid containing compositions present...

B - Operations – Transporting – 27 – N

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B27N 7/00 (2006.01) B01J 19/00 (2006.01) C04B 22/08 (2006.01) C04B 41/50 (2006.01) C04B 41/53 (2006.01) C08J 7/00 (2006.01) C08J 9/36 (2006.01) D21H 25/02 (2006.01)

Patent

CA 2061945

Described is a method of neutralizing acid containing compositions present in an insulation board comprising the steps of providing an insulation board containing a leachable acid composition and neutralizing the leachable acid by applying to the board an effective neutralizing amount of an inorganic alkali metal or alkaline earth metal salt. Preferably, the board is a phenolic foam having opposing sides of a fiberglass facer with the neutralizing agent embedded in the fiberglass facer.

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