PAPP-MPP-PER复配型阻燃剂对PP力学及阻燃性能的影响  

Effect of PAPP-MPP-PER compounded flame retardant on the mechanical and flame-retardant properties of PP

作　　者：潘飞 鲍庆煌 马殿普 袁英杰 符泽卫 黄琳 覃德清 李俊 Pan Fei;Bao Qinghuang;Ma Dianpu;Yuan Yingjie;Fu Zewei;Huang Lin;Qin Deqing;Li Jun(Yunnan Tin Industry Group(Holding)Company Limited R&D Center,Kunming 650200;Yunnan Provincial Academy of Science and Technology,Kunming 650051)

机构地区：[1]云南锡业集团(控股)有限责任公司研发中心,昆明650200 [2]云南省科学技术院,昆明650051

出　　处：《化工新型材料》2023年第8期172-177,共6页New Chemical Materials

基　　金：云南省重大科技专项-云南省稀贵金属材料基因工程(一期2020)(202002AB080001-2);云南省重大科技专项-锡-磷高效阻燃材料关键技术开发与产业化示范(202102AB080002);云锡研发基金项目(GF-2021-72);云南省“万人计划”产业技术领军人才专项(YNWR-CYJS-2017-056)。

摘　　要：将焦磷酸哌嗪(PAPP)、三聚氰胺磷酸盐(MPP)、季戊四醇(PER)复配用于聚丙烯(PP)阻燃改性,研究PAPP、MPP、PAPP-MPP、PAPP-MPP-PER阻燃剂对PP力学及阻燃性能的影响。通过拉伸强度、弯曲强度和缺口冲击强度研究其力学性能,采用极限氧指数(LOI)、UL-94燃烧等级测试、热重分析、烟密度、锥量测试分析阻燃PP复合材料的阻燃性能。结果表明:PAPP-MPP-PER复配能起到良好的阻燃协同作用,能有效地提升聚丙烯复合材料的阻燃抑烟性能。当PAPP-MPP-PER阻燃剂添加量为30%时,LOI达30.8%,UL-94通过V-0级(1.6mm),800℃时残炭率为13.73%,燃烧最大比光密度(DS,max)相比于纯PP降低了26.9%。Piperazine pyrophosphate(PAPP),melamine phosphate(MPP)and pentaerythritol(PER)were compounded for flame-retardant modification of polypropylene(PP).The effects of PAPP,MPP,PAPP-MPP and PAPP-MPP-PER flame retardants on the mechanical and flame-retardant properties of PP were investigated.The mechanical properties were studied by tensile strength,bending strength and notch impact strength.The flame-retardant properties of flame-retardant PP composites were analyzed by limiting oxygen index(LOI),UL-94 combustion grade test,thermogravimetric analysis,smoke density and cone test.The results showed that the combination of PAPP-MPP-PER could play a good flame-retardant synergistic role and effectively improved the flame-retardant and smoke suppression performance of PP composites.When the addition amount of PAPP-MPP-PER flame retardant was 30%,the LOI reached 30.8%,UL-94 passed grade V-0(1.6mm),the carbon residue rate was 13.73%at 800℃,and the maximum specific optical density(DS,max)of combustion was reduced by 26.9%compared with that of pure PP.

关 键 词：聚丙烯 焦磷酸哌嗪 三聚氰胺磷酸盐 季戊四醇 阻燃 抑烟 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业]