Importance

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Abstract

The present invention relates to a curable composition that includes an oxyalkylene polymer A having an average of 4 to 8 terminal groups per molecule and having a reactive silicon group represented by: —SiX_aR_3-a (1) (in which R is a monovalent organic group having 1 to 20 carbon atoms and represents an organic group other than a hydrolyzable group, and X represents a halogen atom, a hydroxyl group, or a hydrolyzable group; a is an integer from 1 to 3; when a is 2 or more, X groups may be the same as or different from each other, and when a is 1, R groups may be the same as or different from each other), wherein the terminal group has the reactive silicon group, an unsaturated group, an isocyanate group or an active hydrogen-containing group, and the oxyalkylene polymer A has a hydroxyl group equivalent molecular weight of 500 to 1,750 per terminal group.

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First Claim