常見(jiàn)例句Using benzophenone (BP) as photoinitiator, the photografting polymerization of acrylic acid (AA) on PET track membranes was studied. 其改性主要采用輻射和等離子體接枝的方法,本文將表面光接枝技術(shù)應(yīng)用于PET核孔膜的改性和功能化,研究了核孔膜上的光接枝反應(yīng)和方法,通過(guò)表面接枝丙烯酸,膜通量得到顯著的提高,通過(guò)接枝不同單體,制備了新型表面孔封蓋結(jié)構(gòu)的環(huán)境敏感型分離膜。The results showed the photografting of NVP onto HDPE coould be initiated by UV efficiently,and with the increase of the reaction time,the graft degree increased. 實(shí)驗(yàn)結(jié)果表明:紫外線能有效引發(fā)NVP在HDPE粉料表面的接枝聚合,隨輻照時(shí)間延長(zhǎng),接枝率升高;The effects of technical factors on photografting reaction of low - density polyethylene (LDPE) using ben-zophenone as photosensitizers were studied under air atmosphere. 研究了空氣氣氛中以二苯甲酮為光敏劑時(shí)影響低密度聚乙烯(LDPE)光接枝的工藝因素。The results showed the photografting of NVP onto HDPE coould be initiated by UV efficiently, and with the increase of the reaction time, the graft degree increased. 實(shí)驗(yàn)結(jié)果表明:紫外線能有效引發(fā)NVP在HDPE粉料表面的接枝聚合,隨輻照時(shí)間延長(zhǎng),接枝率升高;Gravimetry and water contact angle measurements were performed to investigate the influences of some important factors on the photografting polymerization of LiAA. 短時(shí)間照射時(shí),單體濃度增加有利于接枝率(Yg%25)的增加,隨照射時(shí)間延長(zhǎng),單體濃度為1mol/L 時(shí)Yg%25達(dá)到峰值而后下降;Abstract: The photografting polymerization of N-vinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPE-g-NVP was chara cterized by FTIR qualitatively. 文摘:采用一步法和二步法研究了聚乙烯薄膜表面的N-乙烯基吡咯烷酮光接枝反應(yīng),并用傅立葉變換紅外光譜儀定性表征了反應(yīng)結(jié)果。 返回 Photografting