CAJ | 학술논문

采用硝酸镧、蓖麻油酸为原料，利用复分解法制备了蓖麻油酸镧。以蓖麻油酸镧作为催化剂，作用于全水发泡聚氨酯自结皮泡沫材料，考察了蓖麻油酸镧对全水发泡聚氨酯自结皮泡沫材料性能的影响。采用傅里叶红外光谱仪、紫外可见分光光度计、生物显微镜、电子万能试验机等进行表征，结果表明蓖麻油酸镧对全水发泡聚氨酯自结皮泡沫材料的影响作用明显，稀土元素的加入使泡沫材料的体系结构发生变化。加入蓖麻油酸镧后可明显缩短泡沫的脱模时间，改善了泡沫强度和表皮硬度，对形成稳定良好的泡孔结构有一定的促进作用，添加0.3份和0.6份的蓖麻油酸镧制取的泡沫泡孔形态较好。
채용초산란、비마유산위원료，이용복분해법제비료비마유산란。이비마유산란작위최화제，작용우전수발포취안지자결피포말재료，고찰료비마유산란대전수발포취안지자결피포말재료성능적영향。채용부리협홍외광보의、자외가견분광광도계、생물현미경、전자만능시험궤등진행표정，결과표명비마유산란대전수발포취안지자결피포말재료적영향작용명현，희토원소적가입사포말재료적체계결구발생변화。가입비마유산란후가명현축단포말적탈모시간，개선료포말강도화표피경도，대형성은정량호적포공결구유일정적촉진작용，첨가0.3빈화0.6빈적비마유산란제취적포말포공형태교호。
Lanthanum ricinoleate was obtained by the reaction of lanthanum nitrate and ricinoleic acid, and used as a catalyst on the preparation of water-blown integral skin polyurethane foams (ISFs). The effect of lanthanum ricinoleate on the performance of water-blown integral skin polyurethane foams was investigated by Fourier transform infrared spectrometry (FT-IR),ultraviolet–visible spectroscopy, biomicroscope and electronic universal testing machine. The results indicated that lanthanum ricinoleate could change the foam structure,reduce the foamrelease time,improve the foam strength and surface hardness of the bubbles. The foam showed ideal cell structure with the addition of 0.3 pbw and 0.6 pbw lanthanum ricinoleate.