Phenol and Acetone Market Size & Forecasts 2026-2035, By Segments (Process, Feedstock, End-Use Industry, Application), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (INEOS, Kumho P&B Chemicals, Mitsui Chemicals, Evonik Industries, Shandong Yuhuang Chemical)