以聚丙烯/聚乙烯(PP/PE)皮芯纤维和三维卷曲中空涤纶纤维为原料,通过杂乱凝聚技术梳理成网再经热风加固技术制备三维网孔热风非织造布,探讨面密度、原料质量配比对非织造布的厚度、蓬松度、压缩率和压缩弹性率的影响;将热风非织造布用...以聚丙烯/聚乙烯(PP/PE)皮芯纤维和三维卷曲中空涤纶纤维为原料,通过杂乱凝聚技术梳理成网再经热风加固技术制备三维网孔热风非织造布,探讨面密度、原料质量配比对非织造布的厚度、蓬松度、压缩率和压缩弹性率的影响;将热风非织造布用于制备吸收芯体,并对吸收芯体的厚度、液体吸收时间、回渗量进行测试。结果表明:当选用的PP/PE皮芯纤维和中空涤纶纤维质量配比为70/30时,制得面密度为50 g/m^(2)的三维网孔热风非织造布的蓬松度为81 cm 3/g,具有较好的立体空间构造,可有效容纳高吸水树脂(SAP)颗粒;由热风非织造布制得的吸收芯体的吸收时间短、回渗量低、无起坨断层现象,可有效解决SAP吸液后的凝胶堵塞问题。展开更多
The certificateless authenticated key agreement protocol proposed by Mandt et al does not haVE the property of key-compromise impersonation （K-CI） resilience. An improved protocol with a simple modification of their...The certificateless authenticated key agreement protocol proposed by Mandt et al does not haVE the property of key-compromise impersonation （K-CI） resilience. An improved protocol with a simple modification of their protocol is proposed in this paper. In particular, our improved protocol is proved to be immune to the K-CI attack and at the same time possess other security properties.展开更多
文摘以聚丙烯/聚乙烯(PP/PE)皮芯纤维和三维卷曲中空涤纶纤维为原料,通过杂乱凝聚技术梳理成网再经热风加固技术制备三维网孔热风非织造布,探讨面密度、原料质量配比对非织造布的厚度、蓬松度、压缩率和压缩弹性率的影响;将热风非织造布用于制备吸收芯体,并对吸收芯体的厚度、液体吸收时间、回渗量进行测试。结果表明:当选用的PP/PE皮芯纤维和中空涤纶纤维质量配比为70/30时,制得面密度为50 g/m^(2)的三维网孔热风非织造布的蓬松度为81 cm 3/g,具有较好的立体空间构造,可有效容纳高吸水树脂(SAP)颗粒;由热风非织造布制得的吸收芯体的吸收时间短、回渗量低、无起坨断层现象,可有效解决SAP吸液后的凝胶堵塞问题。
基金the National Natural Science Foundation of China (60773086)
文摘The certificateless authenticated key agreement protocol proposed by Mandt et al does not haVE the property of key-compromise impersonation （K-CI） resilience. An improved protocol with a simple modification of their protocol is proposed in this paper. In particular, our improved protocol is proved to be immune to the K-CI attack and at the same time possess other security properties.
