1) Polymethylene polyisocyanate
多亚甲基多异氰酸酯
2) PAPI
多亚甲基多苯基多异氰酸酯
1.
Influence of acrylic acid content,initiator content,and PAPI content on emulsion shear strength are studied,and the relation between initiator content,temperature-maintaining time and emulsion conversion are also investigated.
研究了丙烯酸用量、引发剂用量和多亚甲基多苯基多异氰酸酯用量对乳液剪切强度的影响,同时还研究了引发剂用量和保温时间与乳液转化率的关系。
2.
In order to get a kind of adhesive for hemlock (Tsuga Dumosa) splice with excellent properties, based on the N-Hydroxymethyl acrylamide (NMA) modified polyvinyl acetate (PVAC) emulsion, using polyarylpolymethylene -isocyanate (PAPI) as crosslink agent,the properties of adhesive for hemlock splice were discussed in this paper.
为得到一种性能优异的铁杉拼板胶,以多亚甲基多苯基多异氰酸酯(PAPI)为交联剂,对N-羟甲基丙烯酰胺(NMA)改性聚醋酸乙烯酯(PVAc)乳液胶的性能进行测试。
3.
The research results showed that the effect of PAPI content was most prominent on bonding performance at the normal temperature,the stress time was secondly,the effects of starch content and stress were non obvious on bonding performance.
采用正交实验法,研究了以醋酸乙烯酯(VAc)共聚乳液为主剂、多亚甲基多苯基多异氰酸酯(PAPI)为交联剂的双组分木材胶粘剂的胶接工艺与性能。
3) polyisocyanate(PAPI)
多亚甲基多苯基多异氰酸酯(PAPI)
4) PAPI
多苯基多亚甲基多异氰酸酯
6) PAPI
多苯基甲烷多异氰酸酯
1.
The lignin-based polyurethane(PU) films were prepared from wheat straw alkali lignin by solution casting with polyethylene glycol(PEG) 300 or 1 000 and polymeric phenyl methane-diisocyanate(PAPI) in the solvent of N,N-dimethylformamide(DMF).
以麦草碱木质素、相对分子质量为300和1 000的聚乙二醇(PEG)及多苯基甲烷多异氰酸酯(PAPI)为原料,以N,N-二甲基甲酰胺为溶剂,使用溶液浇注法固化成型工艺,制备了碱木质素聚氨酯薄膜。
2.
Lignin-based polyurethane(PU)films were prepared from wheat straw alkali lignin by solution casting with polyethylene glycol(PEG)and polymeric phenyl methane-diisocyanate(PAPI)in the solvent of N,N-dimethyl-formamide(DMF).
以麦草碱木质素、聚乙二醇(PEG)及多苯基甲烷多异氰酸酯(PAPI)为原料,以N,N-二甲基甲酰胺为溶剂,使用溶液固化成型法制备了碱木质素聚氨酯薄膜。
补充资料：多亚甲基多异氰酸酯
性质 褐色透明液体，有刺激性气味。密度1．2g/cm3。引火点218℃。是一种含有不同官能度的多异氰酸酯的混合物。通常二异氰酸酌占混合物总量的50％，其余均是3官能度以上的低聚异氰酸酯。有毒。
应用 主要用作耐热硬质聚氨酯泡沫塑料的原料。也用于制备聚氨酯类型粘合剂。
应用 主要用作耐热硬质聚氨酯泡沫塑料的原料。也用于制备聚氨酯类型粘合剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条