Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Reexamination Certificate
2011-03-08
2011-03-08
Green, Anthony J (Department: 1731)
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
C106S728000, C106S729000, C106S731000, C106S732000, C106S733000, C106S737000, C106S813000, C106S816000
Reexamination Certificate
active
07901506
ABSTRACT:
In this invention a cementitious capillary crystalline waterproof material with an eka-molecular sieve structure and its manufacturing method is disclosed. The major ingredient of this material is Portland cement; the accessories include silicon dioxide, alumina, magnesia, calcium sulphonate, methlycellulose, quick-setting agent and sodium aluminate, etc. Put separately major ingredient and accessories premixed in given proportion separately into the major ingredient bin and the accessory bins. The major ingredient passing through an impulse flowmeter is carried to the dosing machine; and in the same time, the premixed accessories are automatically weighed by the weighing device using gewichtsabnahme method when they are carried to the above dosing machine; they are mixed in the premixing machine and the refine-mixing machine and prepared to the product. The product is mixed with water and forms slurry. After setting, it becomes coating layer with an eka-molecular sieve structure which is water-tight and breathes freely. The coating has high compressive strength, resistance to very high and low temperatures, and resistant to acid, chlorides, and Sulphates so on. It also has self-healing ability to small crack when meet with water. It is non-toxic, odorless, with long service life, and convenient to application. The material can be used at wide range in underground facilities, tunnel, cave depot, bridge, swimming pool, toilet, sewage treating reservoir, dam, etc.
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International Search Report issued Jul. 3, 2008 in PCT/CN2008/000944.
Green Anthony J
Pearne & Gordon LLP
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