Tetracarboxylic acids

Details Tetracarboxylic acids Tetracarboxylic acids

1986-01-13

1991-03-19

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

562509, 562590, C07C 51353, C07C 5702

Patent

active

050012606

ABSTRACT:
A process for polymerizing unsaturated dicarboxylic acids comprises heating the acids in the presence of a catalytic proportion of an unactivated clay and water. The product dimer is distilled to separate unreacted monomer acids. The product dimers of 36, 40 and 44 content are useful as corrosion inhibitors, epoxy resin curing agents, lubricants and intermediates for synthetic polymeric resins and polymeric resin plasticizers.

REFERENCES:
patent: 2793219 (1957-05-01), Barrett et al.
patent: 2793220 (1957-05-01), Barrett et al.
patent: 3873585 (1975-03-01), Sturwold et al.

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