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1)  polyurethane-isocyurnate
聚氨酯-异氰脲酸酯
1.
The polyurethane-isocyurnate(PUI) material reinforced by nano-CaCO_3 was prepared by situ polymerization on the basis of studying PUI fundamental formula and investigating dispersing methods of nano-CaCO_3 in PUI,and its properties were also studied.
通过纳米碳酸钙(nano-CaCO3)分散方法及其聚氨酯-异氰脲酸酯(PUI)基础配方的研究,采用原位聚合方法研制了nano-CaCO3增强PUI材料,并对其性能进行了研究,结果表明,以n(NCO)/n(OH)配比为10∶1,催化剂为DMP-30、其用量为2%(质量分数,下同)的PUI配方为基础,利用超声辐照技术将nano-CaCO3分散于液化MDI中原位聚合所制的材料,不仅拉伸强度和撕裂强度得到显著提高,而且热稳定性也得到明显提高,当nano-CaCO3质量分数为8%时,材料的综合性能最优。
2.
The polyurethane-isocyurnate (PUI)/ nano-CaCO_3 elastomer was prepared by situ polymerization and its composition and properties were also studied.
采用原位聚合方法合成了聚氨酯-异氰脲酸酯(PUI)/nano-CaCO3弹性体材料,并对其组成及性能进行了研究。
2)  polyisocyanurate foam
聚异氰脲酸酯
1.
Based on this curve the trimer content in polyisocyanurate foam can be determined,simply depending on a FTIR-ATR spectrum.
利用凝胶渗透色谱(GPC)测定标准样品的异氰脲酸酯三聚体含量,结合衰减全反射傅里叶红外光谱仪(FTIR-ATR)谱图中三聚体吸收峰的强度得到外标工作曲线,由此建立了FTIR-ATR技术测定聚异氰脲酸酯泡沫中异氰脲酸酯三聚体含量的方法。
2.
Based on this curve the isocyanurate content in polyisocyanurate foam could be calculated, simply depending on a FTIR-ATR spectrum.
利用GPC测定标准样品的异氰脲酸酯含量,结合ATR谱图中异氰脲酸酯吸收峰的强度得到外标工作曲线,以此为基础利用FTIR-ATR技术测定聚异氰脲酸酯泡沫中异氰脲酸酯三聚体含量。
3)  polyisocyanurate
聚异氰脲酸酯
1.
Study on polyurethance-modified polyisocyanurate acoustic material;
聚氨酯改性聚异氰脲酸酯声学材料的研究
2.
The reaction kinetics of polyurethane formation and that of trimerization of isocyanate in a system of(polyisocyanurate) modified by urethane were studied by FTIR.
采用傅里叶快速红外光谱技术研究了氨酯改性聚异氰脲酸酯反应体系中氨酯、聚异氰脲酸酯生成的反应动力学,结果表明,在该反应体系中,氨酯反应和异氰酸酯的三聚反应是同步发生并同步进行的,其中三聚反应是一级反应;氨酯对异氰酸酯是一级反应,对聚醚二元醇为0级反应。
3.
A premixed polyol and the modified polyisocyanurate foam for sandwich panel using as building materials were prepared from polyether polyol, polyester polyol , PAPI, compound catalysts and blowing agent HCFC-141b.
以聚醚多元醇、聚酯多元醇、聚异氰酸酯PAPI、泡沫稳定剂、复合催化剂、发泡剂HCFC - 14 1b、复合阻燃剂等为原料 ,制备了用于建筑彩钢复合板的组合聚醚及改性聚异氰脲酸酯(PIR)泡沫。
4)  PIR-RPUF
聚异氰脲酸酯-聚氨酯泡沫塑料
5)  polyisocyanurate
聚异氰脲酯
6)  isocyanurate
异氰脲酸酯
1.
RIM Synthesis of PU Elastomers Modified by Isocyanurate;
聚异氰脲酸酯改性聚氨酯弹性体的RIM合成研究
2.
Reaction Injection Molding(RIM) of Polyisocyanurate Modified by Urethane──the Effect of Polyether Polyols on the Prepared Product Properties;
氨酯改性聚异氰脲酸酯反应注射成型(RIM)──聚醚醇结构对所制材料性能的影响
补充资料:异氰脲酸
分子式:C3H3N3O3
分子量:129.08
CAS号:108-80-5

性质:白色结晶。约在330℃解聚为氰酸和异氰酸。从水中析出者含有2分子结晶水,相对密度1.768(0℃),在空气中失去水分而风化;从浓盐酸或硫酸中析出者为无水结晶。1g能溶于约200ml水,溶于热水、热醇、吡啶、浓盐酸及硫酸而不分解,也溶于氢氧化钠和氢氧化钾水溶液,不溶于冷醇、醚、丙酮、苯和氯仿。无气味,味微苦。该品还以酮式(或异氰尿酸)形式存在。

制备方法:由尿素聚合而得。将尿素与氯化铵混合,加热融熔,搅拌升温至210℃溶液变稠,升温至230℃以上融熔物渐渐固化,翻炒均匀,继续升温至250℃,保温15min。冷至100℃,加少量水浸泡,降至常温,在水中浸泡后粉碎,滤出固体物。将水和盐酸加入固体物中,搅拌加热至110℃,保温3h,分次补加盐酸和水,降温至30℃,水洗至中性,过滤,滤饼用水洗涤,干燥得成品。工业品纯度≥95%,每吨产品消耗尿素1200kg。

用途:用于合成氯代衍生物,三氯异氰尿酸、二氯异氰尿酸钠或钾;用于合成氰尿酸-甲醛树脂、环氧树脂、抗氧剂、涂料、粘合剂、农药除草剂、金属氰化缓蚀剂、高分子材料改性剂等;用于药物卤三羟嗪的生产。

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