Harbin City Outdoor Plastic Sports Venue Suitable For Colleges And Universities In Time Movement Resaerch

In recent years, more and more sports facilities in schools and public plan laying plastic laid or sports ground,plastic playground is booming trend。However plastic is made of industrial polyurethane (toluene cyan uric acid diethyl ester, known as TDI) material,made of plastic, and then add adhesive,curing agent,laying in the playground,such synthetic materials under certain conditions can release harmful gases,have a certain hazards on the health of its population。International Programmed on chemical safety and the European Communities jointly prepared by chemical safety card provides for maximum allowable concentration of TDI in air as 0.036 mg/m~3. This papers by investigation in recent years Harbin city the University outdoor plastic venues (TDI polyurethane venues) of status and the students sports exercise status for investigation,and on exists of problem for analysis,summary has at home and abroad in sports plastic venues research aspects of results and exists of problem,focus discussion polyurethane plastic material (main is TDI) in high temperature and strong light of irradiation Xia will release out harmful gas,from experimental in the came: When temperature rise to 30℃time,plastic release TDI gas concentration reached 0.0157 mg/m~3,close international standards highest allowed concentration of 44%,if movement crowd in this environment Xia activities will on body health produced adverse effect, for this,by this papers of research for university students select suitable time in outdoor plastic venues for sports exercise provides has reference,to reduced and avoid exercise process on body health produced of adverse effect,turn makes students for Science reasonable of body exercise.