Method of bonding

Details Method of bonding Method of bonding

1975-12-02

1978-01-24

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

164 12, 260 4255, 260DIG41, 526208, 526217, C08J 324

Patent

active

040703347

ABSTRACT:
A method of making a shaped article from particulate solid material, such as a foundry mould or core from sand, comprises
I. forming a mixture of the particles and an anaerobically-curing adhesive containing, as a curing accelerator, either an aliphatic amine having at least two primary aliphatic amino groups or a condensation product of such an amine with a ketone or with an aldehyde,
Ii. forming the mixture into the desired shape, and
Iii. in the presence of water, causing the adhesive to cure and to bond the particles together by displacing air or other oxygen-containing gas in the environment of the shaped article with an inert gas or vapor.

REFERENCES:
patent: 3043820 (1962-07-01), Krieble
patent: 3121268 (1964-02-01), Ruhens
patent: 3145438 (1964-08-01), Kottke et al.
patent: 3218305 (1965-11-01), Krieble
patent: 3652521 (1972-03-01), Aherd
patent: 3775385 (1973-11-01), Ozono et al.
patent: 3970505 (1976-07-01), Hauser et al.
Irving Skeist, ed., Handbook of Adhesives (1962), p. 340.

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