Cement products and a method of manufacture thereof

Details Cement products and a method of manufacture thereof Cement products and a method of manufacture thereof

1994-09-15

1996-05-07

Hoke, Veronica P.

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...

524 5, 524437, 524444, C08K 310, C08K 320

Patent

active

055147445

ABSTRACT:
A combined alumina, cement and gypsum product comprises 100 parts by weight of alumina cement, 10 to 100 parts by weight of an aqueous polymer precursor emulsion (Component A), and 15 to 600 parts by weight of a hemi-hydrate gypsum (Component B). Component A preferably comprises a thermosetting acrylic resin, and Component B is preferably an alpha-hemihydrate gypsum or an anhydrous or retarded plaster. Aggregates, reinforcing materials or other additives may be incorporated into the product. The product is preferably prepared by mixing together Component A and the alumina cement to form a precursor slurry, then mixing together the precursor slurry and Component B, and allowing the mixture to cure.

REFERENCES:
patent: 4100115 (1978-07-01), Baer
patent: 4174230 (1979-11-01), Hashimoto et al.
patent: 4240840 (1980-12-01), Downing et al.
patent: 5030282 (1991-07-01), Matsuhashi et al.
patent: 5059371 (1991-10-01), Saheki et al.
By M. Pulin et al., "Properties of mixtures of gypsum semihydrate with alumina cement", Chemical Abstracts, Jun. 1985, vol. 94, No. 24, 94:196566x.
By R. Miura et al., "Low-solubility acrylic monomer in-situ polymerization in concrete manufacture for high strength", Chemical Abstracts, May 1988, vol. 108, No. 18, 108:155492j.
By F. Wang et al., "Heat-insulating, fire-resistant composites, and their use", Chemical Abstracts, Aug. 1990, vol. 113, No. 6, 113:45420e.

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