Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1977-07-27
1978-12-12
Poer, James
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 98, 405266, C04B 7355
Patent
active
041294491
ABSTRACT:
A soil-hardening composition, which has a high dispersing effect and other excellent properties and can be used effectively in civil engineering works, for example, for modifying and strengthening a surface layer of a super-soft poor subsoil and improving physical and mechanical properties of a cohesive soil having a high water content and for hardening a humus soil, an alluvial soil, a deposited sludge and the like, is disclosed.
This composition comprises Portland cement and, incorporated therein, 0.2 to 0.8% by weight of at least one member selected from the group consisting of lignin sulfonate and their modified products and derivatives, 0.4 to 0.5% by weight of sodium tripolyphosphate, 0.2 to 0.3% by weight of calcium stearate, 1.5 to 2.0% by weight of calcium chloride and 0.5 to 1.0% by weight of a slag silica.
When 0.2 to 0.5% by weight of an alkylarylsulfonate, calcium aluminate or a triethanolamine ester is further incorporated into this soil-hardening composition, an effect of enhancing the speed of setting and hardening soils in cold districts can be attained.
REFERENCES:
patent: 2901368 (1959-08-01), Newell et al.
patent: 3769051 (1973-10-01), Hardin
Nilles James E.
Poer James
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