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热管理——基本见解.pdf

上传人: 散** 编号:1277087 2026-07-11 21页 2.79MB

1、ThermalManagementCoatingsKalsani Venkateshwarlu,PhDScientistPPG2000MSc Kakatiya University/IIT Mumbai IndiaMedicinal Chemistry2005PhD Siegen University GermanySupramolecular Chemistry2007Post-Doc Tufts University USABio-organic ChemistryJoined PPG synthesis groupLead synthesis and formulation groups

2、Current role synthesis groupBackgroundPPG paints and coatings are used to protect and enhance someof the worlds best-known products and brands3World-renownedlandmarksDevices and screensall around youThe planes we fly in from the windows tothe exteriorsPassportsand licensesCars we drive and theinfras

3、tructure to getwhere were goingThe homeswe live inThe officeswe work inThe cans wedrink fromThermal Management Impact of Fire Fire Protection:Active&Passive,Retardants&Intumescent Intumescent Passive Fire Protection(PFP)Coating How does it work?Differences between cellulosic and hydrocarbon PFP?Wher

4、e can it be used?Need for Accelerated Test Methods,Future Trends&Reduction in Substances of Concern SummaryAgendaEffects of Fire on Lives and AssetsThe National Fire Protection Association(NFPA)U.S.estimates6 A fire department responds to a fire every 23 seconds A home structure fire every 95 second

5、s One civilian fire-related death occurs every 3 hours In 2023,U.S.fire departments responded to 1.39million fires,estimated 3,670 civilian deaths and136,350 injuries.Every year there are about 50 on-dutyfirefighter deaths.2023:$23B property loss Worse metrics in developing countriesActive Fire Prot

6、ection(AFP)Require action/motion to activate Fire/smoke alarm,sprinkler system,fireextinguisher,fire fighterPassive Fire Protection(PFP)No activation required Fireproofing steel structures,walls,floors,doors,etc.AFP and PFP measures can substantially mitigate fire risksFire Protection MethodsPITT-CH

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1. **火灾影响**:美国消防协会(NFPA)数据显示,2023年美国发生139万起火灾,造成3670人死亡、13.635万人受伤,财产损失230亿美元。 2. **防火技术分类**: - **主动防火(AFP)**:需人工触发,如烟雾报警器、灭火器。 - **被动防火(PFP)**:无需激活,如钢结构防火涂料。 3. **膨胀型涂料(PFP)**: - **纤维素火**(木材等,945°C/60分钟):膨胀40-60倍,形成多孔炭层。 - **碳氢化合物火**(油气,>1200°C/5分钟):膨胀3-10倍,形成致密炭层。 4. **PPG创新方向**:提升耐久性、减少涂装次数、开发混合解决方案,并承诺2030年实现50%温室气体减排(范围1&2)。 5. **应用趋势**:PFP涂料为增长最快领域之一,聚焦新聚合物、可持续性及灵活涂层技术。
**防火涂料如何工作?** **PFP涂层有哪些创新趋势?** **如何选择合适的防火涂料?**
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