Cementitious compositions for layered applications

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524 4, 524 5, 524 6, 524277, 524322, 524497, 524488, C08K 506

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active

056749295

ABSTRACT:
The interlayer adhesion and final strength of cementitious compositions which are applied in consecutive layers are improved by the incorporation in the compositions of an admixture which is a combination of a waterproofing agent and a water retention agent. The invention is particularly applicable to sprayed concrete.

REFERENCES:
patent: 3885985 (1975-05-01), Serafin et al.
patent: 4144207 (1979-03-01), Ohnsorg
patent: 4878948 (1989-11-01), Shah
patent: 4961790 (1990-10-01), Smith et al.
patent: 5179170 (1993-01-01), Ohtsu et al.
patent: 5236624 (1993-08-01), Lepert et al.
patent: 5294256 (1994-03-01), Weigand et al.

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