Sun Chemical   (www.sunchemical.com) has announced the creation of Vivitek, a services and distribution company that will offer services and non-ink consumable products for prepress, pressroom and finishing operations.      “Many printers have expressed interest in buying from a single source the multitude of products they use in their graphic processes,” said William Glass, Vivitek general manager. “Printers have indicated they want to do business with a supplier who has a broad product line ...