Porous inorganic product

Details Porous inorganic product Porous inorganic product

1976-11-11

1978-08-01

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 87, 106 89, 106 90, 106 98, 106122, 252 62, C04B 732

Patent

active

041040775

ABSTRACT:
A porous inorganic product which is excellent in acoustic absorptivity and filtration efficiency and is high in strength is produced by bringing suitably sized organic foam particles, which have elasticity and can be shrunk greatly by heating or can be dissolved in a solvent, into contact with one another under pressure so as to deform each thereof, filling the gaps present between the organic foam particles with an inorganic binder such as cement, hardening the inorganic binder to form a hardened material, and shrinking the organic foam particles contained in the hardened material.

REFERENCES:
patent: 3247294 (1966-04-01), Sabouni
patent: 3758319 (1973-09-01), Ergene

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