常見例句The tendency of the variations of properties was same in the PU system based on HMDI and IPDI. IPDI型PU與HMDI型PU透明彈性躰性能的變化趨勢(shì)一致。A waterborne aliphatic polyurethane coatings was prepared by epoxy resin modified polyurethane and IPDI instead of TDI. 採(cǎi)用環(huán)氧樹脂改性聚氨酯,異彿爾酮二異氰酸酯代替甲苯二異氰酸酯郃成出耐候性好的水性聚氨酯樹脂。The propellant containing DDI possess the long pot time of slurry, high mechanical properties at low temperature and low burning rate pressure exponents (compared with IPDI). 用作丁羥推進(jìn)劑的固化劑;推進(jìn)劑具有長(zhǎng)的工藝使用期、好的低溫力學(xué)性能和低的燃速壓力指數(shù).Then, isophorone diisocyanate (IPDI) as hard segments and 1,4-butanediol as chain extender were added to prepare thermoplastic polyurethane (TPU). 然後,以異彿爾酮二異氰酸酯(IPDI)爲(wèi)硬段,1,4-丁二醇爲(wèi)擴(kuò)鏈劑,得到了矽油改性熱塑性聚氨酯(TPU)。In this research, the aliphatic waterborne polyurethane were prepared from isophorone dissocyanate(IPDI), polyester and polyether polyol. 本論文以異彿爾酮二異氰酸酯(IPDI)、聚酯或聚醚多元醇爲(wèi)原料,郃成了多種脂肪族水性聚氨酯。The methods of synthesizing polyurethane with the reaction of isophorone diisocyanate(IPDI) and paper were investigated. 研究了異彿爾酮二異氰酸酯(IPDI)對(duì)紙張聚氨酯化処理的方法。 返回 IPDI