同起等:影响芳纶纤维及其复合材料性能的因素和改善方法 [28]王霞 WANG XIa),等材料工程 M aterials Engr[31] de l ange p j, et aL Com posites: Part A,2001,32: neering),1994,(89):88-89 33342 29] Yue C Y, Padm anabhan K Composites: Part B,[32]王睦铿 (WANG Mu-keng)化工新型材料(New [30] M atveev V S Fiber Chem., 1997, 29(6): 38r 384 EFFECT FACTORS AND MPROVINGM ETHOD SOF THE PRO PERT IES OF ARAM D FIBER AND ITS COM POSITE L ITong"qL, WANG Cheng"yang (College Chen ical E ng ineering and Technology, T ian in University, T ianj in 300072, China) ABSTRACT: A ram id fiber, a high-perfo m ance fiber w ith varieties of advanced p roperties, w idely used in every fields, such as the re info rcem ent of com po site The p rocessing and the p rop erties of aram id fiber and it deals w ith the effects on this k ind of fiber and the com po site rein- fo rced, such as structure of fiber, conditons for m ak ing fiber, env ironm ent and post"treatm ent The m ethods are also expounded in th is paper, such as filling w ith filler, surface treatment low molecu lar polym erization, which are app lied to mp rove the p roperties of them Keywords aram id fiber, PPTA; com po site, properties, effects, m p rovem ent (上接第4页。 continued from p.4) THE APPL ICATONOF ATOM TRANSFER FREE RAD KCAL POLYM ERE ZATON TO PREPARATON OF POLYM ERSW ITH VAROUS STRUCTURE YUAN Jin-y ing (d ep arm ent of Chen istry, T sh inhua University, Beij ing 100084, China) ABSTRACT: A tom transfer free rad ical polym erization (A TRP) developed in recent years is an efficient way for fiv ing free rad ical po lym erizatin It was first reported by W ang, Saw amota and Perce respectively in 1995 W ith the polym er mo lecular design, the po lym ers w ith varnus structures have been p repared by this effective app roach In this paper, the app licaton ofATRP with predeter me copo lym ers, alternative copolym ers, graft copolymers, star po lym ers, hyperbranched polymers, com b po lym ers and so on Keywords liv ing free rad ical po lym erizat on; atom transfer free rad ical po lym erization, molecular o1994-2010ChinaAcademicjOurmalElectronicpUblishingHouseAllrightsreservedhttp://www.enki.net[ 28 ] 王霞 (WAN G Xia) , 等. 材料工程 (M aterials Engi2 neering) , 1994, (8～ 9): 88～ 89. [ 29 ] Yue C Y, Padm anabhan K. Compo sites: Part B, 1999, 30: 205～ 217. [ 30 ] M atveev V S. F iber Chem. , 1997, 29 (6): 381～ 384. [ 31 ] de L ange P J, et a l. Compo sites: Part A , 2001, 32: 331～ 342. [32 ] 王睦铿 (WAN G M u2keng). 化工新型材料 (N ew Chem icalM aterials) , 1991, (3): 9～ 11. EFFECT FACTORS AND IM PROV INGM ETHOD S OF THE PROPERTIES OF ARAM ID F IBER AND ITS COM POSITE L I Tong2qi, WAN G Cheng2yang (Colleg e of Chem ica l E ng ineering and T echnology , T ianj in U n iversity , T ianj in 300072, Ch ina) ABSTRACT: A ram id fiber, a h igh2perfo rm ance fiber w ith varieties of advanced p roperties, is w idely u sed in every fields, such as the reinfo rcem en t of compo site. The p rocessing and the p rop2 erties of aram id fiber and it deals w ith the effects on th is k ind of fiber and the compo site rein2 fo rced, such as structu re of fiber, condition s fo r m ak ing fiber, environm en t and po st2treatm en t. The m ethods are also expounded in th is paper, such as filling w ith filler, su rface treatm en t and low mo lecu lar po lym erization, w h ich are app lied to imp rove the p roperties of them. Keywords: aram id fiber; PPTA ; compo site; p roperties; effects; imp rovem en t (上接第 4 页。continued from p. 4) THE APPL ICATION OF ATOM TRANSFER FREE RAD ICAL POLYM ER I￾ZATION TO PREPARATION OF POLYM ERSW ITH VAR IOUS STRUCTURE YUAN Jin2ying (D ep a rtm en t of Chem istry , T sh inhua U n iversity , B eij ing 100084, Ch ina) ABSTRACT: A tom tran sfer free radical po lym erization (A TRP) developed in recen t years is an efficien t w ay fo r ‘living’free radical po lym erization. It w as first repo rted by W ang, Saw amo ta and Perce respectively in 1995. W ith the po lym er mo lecu lar design, the po lym ers w ith variou s structu res have been p repared by th is effective app roach. In th is paper, the app lication of A TRP to the p reparation of po lym ers w ith p redeterm ined structu res w as review ed, including b lock copo lym ers, alternative copo lym ers, graft copo lym ers, star po lym ers, hyperb ranched po lym ers, com b po lym ers and so on. Keywords: living free radical po lym erization; atom tran sfer free radical po lym erization; mo lecu lar design 第 5 期 李同起等: 影响芳纶纤维及其复合材料性能的因素和改善方法 9