B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/32, 154/78
B32B 3/30 (2006.01) B32B 17/10 (2006.01) B32B 21/08 (2006.01) B32B 27/10 (2006.01) C08J 9/36 (2006.01) C09D 5/18 (2006.01) C09K 21/14 (2006.01)
Patent
CA 1122483
ABSTRACT OF THE DISCLOSURE Fire or flame-retardant compositions, and especially those having intumescent properties, when used as coatings for fire unstable structures or when used in laminated fire unstable structures can be made more effective by appropriate disposition or placement of such fire or flame-retardant compositions. For example, a foam poly- styrene board having a fire retardant or flameproof composi- tion coated on at least one of its exterior surfaces and disposed in interior portions, such as, hollows or grooves in a surface of the board is able to withstand a remarkably and surprisingly longer severe exposure to an open flame and heat than a polystyrene foam board merely coated on an exterior surface, and with less damage to the structure.
317654
Arco Polymers Inc.
Osler Hoskin & Harcourt Llp
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