Results 71 to 80 of about 71,556 (112)

聚芳硫醚腈酰亚胺共聚物及其制备方法

open access: yes, 2011
本发明公开了一种聚芳硫醚腈酰亚胺共聚物,其结构通式如式I,式I中,a和b分别代表聚合度,a与b的比例为0.1~99.9∶0.1~99.9;硫醚键在聚合物中酞酰亚胺结构单元上的3-位或4-位,以及苯腈结构单元上的2-位、3-位、4-位、5-位或者6-位;A为取代或未取代的脂肪烃基、取代或未取代的芳香基团中的一种。其制备方法,包括:采用双取代酞酰亚胺和硫磺为原料,与二卤苯腈进行共聚反应,制备聚芳硫醚腈酰亚胺共聚物。该共聚物具有良好并且可以调节的热稳定性 ...
方省众, 严庆, 朱光辉, 胡本林
core  

聚硫醚酮酰亚胺三元共聚物及其制备方法

open access: yes, 2011
本发明公开了一种聚硫醚酮酰亚胺三元共聚物,本发明还公开了该共聚物的制备方法,其特征在于将硫磺、双取代酞酰亚胺、双取代酮、还原剂、反应助剂加入到装有溶剂的反应器内,加热反应一定时间后将反应液倒入沉淀剂中搅拌,纯化、干燥即得聚硫醚酮酰亚胺三元共聚物。与现有技术相比,本发明的优点在于:采用双取代酞酰亚胺和双取代酮为原料,以硫磺为偶联剂来制备,所得产物为半结晶,具有良好溶解性、机械性能和耐热性、较低的熔融粘度 ...
方省众, 丁孟贤, 严庆, 胡本林
core  

[Glutamine metabolic reprogramming in regulating the occurrence and development of osteosarcoma]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Xu Y   +5 more
europepmc   +1 more source

[Applications and Advances of Metabolomics in Lung Cancer Research]. [PDF]

open access: yesZhongguo Fei Ai Za Zhi
Wang D   +8 more
europepmc   +1 more source

[Advance in HIF expression and immune microenvironment in pseudohypoxic HNPGL]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Zhang B, Lou Z, Wang J, Hu Y, Chen Z.
europepmc   +1 more source

[Traditional Chinese medicine for regulating glycolysis to remodel the tumor immune microenvironment: research progress and future prospects]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
He S   +8 more
europepmc   +1 more source

[Research progress on protein lactylation modification in malignant tumors]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Dong H, Chen H, Zhang C.
europepmc   +1 more source

Home - About - Disclaimer - Privacy