红外光谱对室温固化聚氨酯/乙烯基酯树脂的动力学研究OACSTPCD
DYNAMICS OF PU/VER SINS CURED AT ROOM TEMPERATURE BY FT-IR
利用"同步互穿"工艺室温固化制备了一系列聚氨酯/乙烯基酯树脂互穿聚合物网络(PU/VER SINs),采用傅立叶变换红外光谱(FT-IR)对SINs体系的聚合过程进行了动态跟踪及半定量分析,研究了固化体系对SINs的影响及两组分间的相互作用.结果表明:BPO和DBTDL的用量直接影响到两个网络的相对聚合速率;当BPO用量为VER树脂的0.75%,DBTDL用量为PU的0.6%时,PU的加聚反应首先进行并与VER的转化率近似.两个网络的…查看全部>>
Polyurethane/vinyl ester resin SINs (PU/VER SINs) were synthesized at room temperature by simultaneous interpenetrating process.Polymerization processes of PU/VER SINs were determined by the dynamic tracing and the half quantitative analysis of FT-IR,the interreaction of the two polymers and the effects of curing system on reaction of SINs were investigated.Results indicated the ratio of BPO and DBTDL directly impacted the conversion of two networks,and the …查看全部>>
吴婷;文秀芳;皮丕辉;程江;杨卓如
华南理工大学化工与能源学院,广东,广州,510640华南理工大学化工与能源学院,广东,广州,510640华南理工大学化工与能源学院,广东,广州,510640华南理工大学化工与能源学院,广东,广州,510640华南理工大学化工与能源学院,广东,广州,510640
化学工程
聚氨酯/乙烯基酯树脂同步互穿网络聚合物动力学傅立叶红外光谱室温固化
PU/VERSINsdynamicsFT-IRcuring at room temperature
《陕西科技大学学报(自然科学版)》 2008 (6)
39-44,6
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