%0 Journal Article %T Research on Curing of a Silicon-containing Arylacetylene Resin with Nickelous Diacetyl Acetonate
乙酰丙酮镍催化含硅芳炔树脂的固化反应行为 %A LIU Hai-fan %A DENG Shi-feng %A HUANG Fa-rong %A DU Lei %A
刘海帆 %A 邓诗峰 %A 黄发荣 %A 杜磊 %J 过程工程学报 %D 2012 %I %X The curing reaction of silicon-containing arylacetylene resin(PSA) with nickelous diacetyl acetonate(NIAA) was studied,the curing behavior was characterized by gelation time and DSC analysis,curing kinetic parameters were calculated,the curing was traced by FT-IR.The results indicated that the catalytic effect of NIAA on PSA resin was obvious.When 0.2%(ω) nickelous diacetyl acetonate was added in the resin,the apparent activity energy of curing reaction was decreased from 121.2 kJ/mol for PSA resin to 104.2 kJ/mol for PSA-NAA resin and the initial curing temperature decreased by 35℃.Glaser coupling,Strauss coupling,cyclotrimerization and Diels-Alder reaction occurred at different cuing stages of PSA-NIAA resin.The cured PSA?NIAA resin possessed excellent thermal stability.The temperature at 5% weight loss and char yield at 1000℃ of the cured resin with 0.2% NIAA were 620℃ and 87.8% under nitrogen,respectively. %K silicon-containing arylacetylene resin %K nickelous diacetyl acetonate %K curing kinetics %K curing mechanism %K catalytic curing
含硅芳炔树脂 %K 乙酰丙酮镍 %K 固化反应动力学 %K 固化机理 %K 催化固化 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=3FCF8B1A330466D5&jid=B9EE12934D19905403D996AE65CEEEED&aid=28538CA98C300078BD7EB8570662E487&yid=99E9153A83D4CB11&vid=59906B3B2830C2C5&iid=CA4FD0336C81A37A&sid=E2546871E5B846EF&eid=BA79719BCA7341D5&journal_id=1009-606X&journal_name=过程工程学报&referenced_num=0&reference_num=0