The specialty chemicals group ALTANA has acquired two companies in Brazil.

Eastman Chemical Co. has completed the acquisition of Commonwealth Laminating & Coating Inc.

DuBois Chemicals has completed the acquisition of American Finishing Resources in Chilton, WI.

The Valspar Corp. has completed the purchase of Madison Chemical Industries Inc., a coatings manufacturer headquartered in Ontario, Canada.

GTM (Grupo Transmerquim S.A.), the second-largest chemical distributor in Latin America, announced that its founding shareholders have signed a definitive agreement to transfer control of the company to Advent International, a private equity firm.

PaintSolutions, Commerce, CA., a division of inksolution llc. of Elk Grove Village, IL., has acquired the Synkoloid patch and repair product line from The Muralo Paint Co.

Chemical distributor Univar Inc. has acquired D'Altomare Quimica Ltda., a Brazilian distributor of specialty chemicals and ingredients, through Univar Brasil Ltda.

PPG Industries has finalized the acquisition of Consorcio Comex S.A. de C.V. (Comex), an architectural coatings company with headquarters in Mexico City, in a transaction valued at $2.3 billion.

Stahl, headquartered in the Netherlands, has acquired Clariant’s Leather Services Business in Brazil.

Arkema has finalized the first stage of its acrylics assets acquisition project in Taixing, China, and now has access to a modern and competitive 160,000 t/year acrylic acid production capacity in Asia for the sum of $240 million.