Concrete formulation

Details Concrete formulation Concrete formulation

2005-04-05

2005-04-05

Marcantoni, Paul (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S726000, C106S823000

Reexamination Certificate

active

06875266

ABSTRACT:
An additive for use in the preparation of lightweight concrete, said additive including a blend of from around 40% to 99% of organic polymeric material and from 1% to around 60% of an air entraining agent. The additive is particularly suitable for the preparation of lightweight concrete which uses polystyrene aggregate. It provides for excellent dispersion of the polystyrene aggregate and improved bond between the polystyrene aggregate and surrounding cementitious binder. The resultant lightweight concrete formulation may be pumped and is particularly suitable for sandwich wall construction.

REFERENCES:
patent: 4948429 (1990-08-01), Arfaei
patent: 1142473 (1997-02-01), None
patent: 195 40 273 (1995-10-01), None
patent: 0 839 774 (1996-11-01), None
patent: 2 211 183 (1987-10-01), None
patent: WO 9807667 (1998-02-01), None

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