1)  PTC
相转移催化剂(PTC)
2)  crystalline phase transformation
晶相转变
1.
The PVDF has the crystalline phase transformation in these methods.
利用固相法制备了掺杂有Nb2O5的PZT95/5压电陶瓷,采用固化、冷等静压、溶液混合法制备0-3型PZT/PVDF压电复合材料,经过对这几种方法的分析、比较后发现溶液混合法制备的样品中PZT微粉的分散性要优于前两种制备方法;这几种制备方法中PVDF均有晶相转变,但没有较为明显的β相PVDF存在,对复合材料的电性能的影响不大。
3)  phase inversion
相转化
1.
Thermal stable poly(phthalazinone ether amide)(PPEA) ultrafiltration membrane was prepared through phase inversion method using N,N-dimethylacetamide(DMAc) as solvent.
以杂萘联苯聚芳醚酰胺(PPEA)为膜材料,N,N-二甲基乙酰胺(DMAc)为溶剂通过相转化法制备超滤膜。
2.
Polyethersulfone(PES) ultrafiltration membrane was successfully prepared by means of phase inversion method,with PES as raw material,Polyvinyl Pyrrolidone(PVP)as additive,and dimethylacetamide(DMAC) as solvent.
以聚醚砜(PES)为膜材,聚乙烯吡咯烷酮(PVP)为添加剂,N,N-二甲基乙酰胺(DMAC)为溶剂,用相转化法制备了超滤膜。
3.
Ethylene-vinyl alcohol copolymer MF membranes were prepared by the phase inversion technique.
以亲水性乙烯-乙烯醇共聚物为材料,采用相转化法,制备了亲水性的乙烯-乙烯醇共聚物微滤膜。
4)  phase inversion
相转变
1.
Application of the phase inversion of microemulsions in the organic contaminant separation;
微乳液相转变在分离有机污染物方面的应用
2.
The polymerization kinetics curves were determined,and the phase inversion phenomenon was observed and analyzed.
采用本体接枝共聚法制备高抗冲聚苯乙烯(HIPS),测定反应动力学曲线,观察和分析相转变现象,并由此分析讨论搅拌条件对抗冲性能的影响。
3.
The phase inversion, refractive index and the rheological behavior of the polymerizing mass, and the grafting ratio of N -phenylmaleimide-styrene copolymer onto PB in the course of polymerization were investigated.
发现聚合过程中的相转变有一个过程 ,在这个过程中 ,物料的折射率发生不规则的变化 ,接枝率突然增大 ,而体系黏度下降 。
5)  phase transition
相转变
1.
Study on The Liquid Crystalline Properties and Phase Transition of PET/PHB Copolyesters;
PET/PHB共聚酯的液晶性及相转变的研究
2.
Structural characterization and phase transition of an unknown phase of boron carbon nitride compound;
新型BCN化合物的结构表征和相转变
3.
In order to restrain or prevent AN phase transition,six kinds of polymers were added to AN samples and the effects of polymers on AN phase transition were studied by differential scanning calorimetry(DSC) method.
为抑制或防止AN发生某种相转变,在AN中添加0。
6)  phase transfer
相转移
1.
The phase transfer chemistry of heteropolyanions was introduced from the facile loss of the coordinated water molecules,the activation of inorganic small molecule and the replacement reactions of ligand.
从杂多阴离子脱水,活化无机小分子和与配体的取代反应等方面介绍了杂多阴离子的相转移化学,并综述了相转移化学在氧合-脱氧循环以及合成新化合物中的应用进展。
2.
In this paper,glycidyl ether, which was high epoxide value and low viscosity,was synthesized from 1,2-trimethylene glycol,epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design.
采用1,2-丙二醇、正丁醇和环氧氯丙烷为原料,在相转移催化剂的作用下反应,通过正交实验合成了的高环氧值、低粘度的混合醇缩水甘油醚。
3.
Though many methods have been used in the synthesis of Weak Acid Red B,a new method of condensing 2,5-dechlornitrobenzene with phenol to produce Weak Acid Red B was discribed in this paper on the basis of water as the solvent and under the influence of the phase transfer catalyst.
弱酸性艳红B有多种合成方法,本文实验采取以水做溶剂的方法,在相转移催化剂作用下,用2,5-二氯硝基苯与苯酚缩合反应生成弱酸性红B。
参考词条
补充资料:高分子相转移催化剂
分子式:
CAS号:

性质:经过高分子化的相转移催化剂。催化效率高,不污染反应物和产物,催化剂回收容易,环境污染较小。主要包括亲脂性的有机离子化合物(季铵盐和磷鎓盐)和非离子型的冠醚类化合物。

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