Radiation Protection Nanocomposite Material Invention

Research Team Profile

The Radiation Protection Materials Research Group, affiliated with the School of Materials Science and Engineering/State Key Laboratory of Environment-friendly Energy Materials, consists of 8 full-time and 10 part-time researchers (including 4 visiting professors) with multidisciplinary backgrounds in chemistry, materials science, and physics. Currently supervising 30+ graduate students.

Research Focus

• Radiation shielding & decommissioning decontamination
• Hydrogen isotope separation & barrier materials
• Thermal energy storage & transport
• Dielectric energy storage materials

Key Collaborators

• China Academy of Engineering Physics
• Nuclear Power Institute of China
• Academy of Military Sciences Chemical Defense Institute
• China Institute of Atomic Energy

Achievements

• 80+ SCI papers in top journals (Appl. Phys. Lett., J. Membrane Sci., etc.)
• 20+ authorized Chinese patents
• Recipient of multiple awards including:
  • Second Prize, China Petrochemical Science & Technology Award
  • Third Prize, Military Science Progress Award

Principal Inventor: Zhang Quanping, Ph.D.

• Education: Ph.D in Materials Processing Engineering, Sichuan University (2014)
• Research Focus:
  • Radiation shielding materials
  • Wearable dielectric energy storage systems
• International Experience: Visiting scholar at Institut de chimie de la matière condensée de Bordeaux (2020-2021)
• Projects Led: 11 research projects including:
  • National Natural Science Foundation projects
  • National Defense Industrial projects
• Publications: 60+ papers in APL, JMCC, etc.
• Patents: 4 authorized national patents

Silicon Rubber Radiation Shielding Nanocomposite

Technical Field

Nuclear radiation protection technology: A preparation method for flexible radiation shielding nanocomposites combining silicone rubber with functional nanostructures.

Technical Challenges

1. Density mismatch causing filler sedimentation (>90% density variance)
2. Poor interface compatibility in high-filler systems (＜50% bonding efficiency)

Innovative Solution

• Surface hydroxylation & silane coupling agent modification
• High-speed mixing (2000-3000 rpm) & controlled curing process

Technical Parameters

Property	Value
Filler Loading Capacity	0-90 wt%
Neutron Shielding (0.025eV)	35% attenuation
Gamma Shielding (105keV)	83% attenuation
Tensile Strength	≥5MPa

Application Fields

• Nuclear facility maintenance
• Radiation emergency response
• Medical radiation protection