Binding agents containing titanic acid esters for the preparatio

Details Binding agents containing titanic acid esters for the preparatio Binding agents containing titanic acid esters for the preparatio

1983-01-26

1986-03-25

Sneed, Helen M. S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556 54, 556 55, 556 56, C07F 728

Patent

active

045784876

ABSTRACT:
The present invention relates to binding agents for coating compositions which can be used for making foundry molds. The new compositions contain known polymeric titanic acid esters which are treated with chelating agents. The preferred chelating agents are beta-dioxo compounds. The chelating agents are contained in the binding agent in amounts between 0.2 and 1 gram molecule per gram atom of titanium. The new binding agents can be prepared in a simple manner from titanic acid esters, water and the chelating agent, the amount of water being selected in accordance with the degree of condensation desired in the polymeric titanic acid ester.

REFERENCES:
patent: 2824114 (1958-02-01), Bostwick
patent: 2913469 (1959-11-01), Russell
patent: 3002854 (1961-10-01), Brill
patent: 3004863 (1961-10-01), Gray et al.
patent: 3006941 (1961-10-01), Mudrak et al.
patent: 3017282 (1962-01-01), Brill
patent: 3153000 (1964-10-01), Takimoto et al.
patent: 3334067 (1967-08-01), Weyenberg
patent: 3337391 (1967-08-01), Clayton et al.
patent: 3856839 (1974-12-01), Smith et al.
patent: 4113757 (1978-09-01), Kay
patent: 4232062 (1980-11-01), Okino et al.
Yamamoto et al., JACS 79, 4344-48 (1957).

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