Union Carbide announced sale of division.

The firm said that it intends to sell its home and automotive products division, the maker of such familiar products as Prestone antifreeze and Glad plastic bags, for $800 million in a leveraged buy-out to a group formed by First Boston Corp. Separately, the company announced a drop in net income for the calendar first quarter to $43.3 million on sales of $1.72 billion, compared to $71 million on sales of $1.71 billion for the same period a year ago.