Maroon Group LLC has acquired Amsyn LLC, a national distributor of specialty chemicals to the coatings, lubricants, nutraceutical, pharmaceutical and electronics industries.

AkzoNobel announced its intention to acquire French aerospace coatings manufacturer Mapaero.

ATL Partners and British Columbia Investment Management Corp. (BCI) have acquired Valence Surface Technologies LLC.

SI Group announced an agreement to sell the majority of its global industrial resin businesses and its Brazilian specialty business to ASK Chemicals, a portfolio company of private equity firm Rhône Group LLC.

The specialty chemicals group ALTANA has acquired the operating assets of the Paul N. Gardner Co. Inc., Pompano Beach, Florida.

Gelest Inc., a materials science innovator and New Mountain Capital portfolio company, announced the acquisition of Bimax, a manufacturer and marketer of specialty monomers and polymers.

Specialty chemicals provider Synthomer plc has reached an agreement with OMNOVA Solutions Inc. on the terms of an acquisition of OMNOVA.

RPM International Inc.'s Tremco business has acquired Schul International Co. LLC, a manufacturer of joint sealants for commercial construction, and Willseal LLC, a business that markets and sells Schul products.

Continuing the growth of its Flow Segment business, The TASI Group has acquired Sierra Instruments, a company specializing in the manufacture of flow measurement instrumentation.

Henkel has acquired Molecule Corp., a privately owned company focused on product innovation in additive manufacturing.