The invention relates to a CPVC heat-resistant alloy ternary composition and its preparation method, belonging to the technical field of chlorinated polyvinyl chloride modification. The CPVC heat-resistant alloy ternary composition comprises the following components in parts by mass: 30-34 parts of CPVC component, 10-14 parts of N-phenylmaleimide terpolymer, and 52-60 parts of POK component. The proposed ternary composition maintains high heat resistance and Vicat softening temperature while possessing favorable fluidity for injection molding processing. Meanwhile, the invention provides a simple and feasible preparation process.
Area Code: CN
Application Number: CN201911038381.1






