ATRP Solutions has raised$3.55 million as the Harmar-based specialty polymer firm seeks to capitalize on opportunities in the energy sector. Birchmere Ventures, Strip District-based venture capital firm, was the lead investor. Patrick McCarthy, CEO and co-founder, said the money will go toward commercialization and at least two hires. The company currently employs five. "We invented a new hydraulic fracturing fluid technology that will improve the environmental impact and improve oil and gas…