Tnemec Co. Inc., a manufacturer of industrial and architectural protective coatings, has acquired St. Louis-based coatings company ProPolymer Coatings.

Safic-Alcan UK, a distributor of specialty chemicals and subsidiary of the Safic-Alcan Group, has acquired 100% of Langley-Smith & Co.

Elemica, a digital supply network for the process industries, has completed the acquisition of EMNS, a material quality compliance company.

Azelis, a leading distributor of specialty chemicals and food ingredients, has acquired Chemroy, a Canadian distributor of specialty chemicals and food ingredients.

Evonik has signed an agreement to sell its Methacrylates business to Advent International for €3 billion.

Ravago Holdings America Inc., a leader in polymer and chemical distribution, has acquired H.B. Chemical Inc. of Twinsburg, Ohio.

Huber Engineered Materials, a specialty engineered materials company owned by the J.M. Huber Corp., has entered into a definitive agreement with Dunes Point Capital LP to acquire Miller Chemical & Fertilizer LLC.

Univar Inc. announced that it has completed the acquisition of Nexeo Solutions, creating a leading global chemical and ingredients solutions provider.

Industrial Physics Inc., a leader in test and measurement equipment, has purchased C&W Specialist Equipment Ltd., which specializes in the development and manufacture of corrosion test chambers.

Cabot Corp., Boston, Massachusetts, has entered into a definitive agreement to sell its Specialty Fluids business to Sinomine (Hong Kong) Rare Metals Resources Co. Limited.