WitrynaThe invention claimed is: 1. A block copolymer comprising: a polyarylene ether block, and a polyalkylene oxide block comprising: (1) a polyethylene oxide segment comprising a number average of 1.5 to 40 units of ethylene oxide per ethylene oxide segment, and a polyarylene ether block, and a polyalkylene oxide block comprising: (1) a … Witrynaand (B) a naphthylene ether type epoxy resin. 2 The resin composition asset forth above in 1, wherein when a non-volatile matter content in the resin composition is defined as 100% by mass, a content of the cyanate ester resin (A) is from 2 to 50% by mass, and a content of the naphthyl ene ether type epoxy resin (B) is from 1 to 40% by mass.
Molecular Weight Control of Thermosetting Poly(phenylene ether ...
Witryna24 kwi 2011 · Aromatic polymers, such as polyetherketones (PEKs), polyimides (PIs), and polyazomethines (PAMs), are widely applied in aerospace, automobile, electronics, and other high technology fields due to their excellent thermal, mechanical, and some special properties [1–3].Most of PEKs, PIs, and PAMs have rigid molecular chains, … WitrynaDESCRIPTION. Petroleum Ether is the name for the volatile fraction of petroleum distillates (derivatives) that are used primarily as a non-polar solvent in chemical and … hartford train schedule
CURABLE RESIN COMPOSITION, ADHESIVE AGENT, ADHESIVE …
WitrynaThe molecules of complexes 3 and 4 are linked into 1D chains by the bridging K–O(ether) interactions between the adjacent [K(N18C6)] + units and the resulting … WitrynaMengfei Chen, Wenxiang Zhou, Tao Yan, Mingzhong Cai, Synthesis and properties of novel poly(aryl ether ketone)s containing both 2,6-naphthylene and 1,4-naphthylene units, High Performance Polymers, 10.1177/0954008313507962, 26, 2, (230-239), (2013). Crossref WitrynaPoly(2,6-dialkoxy-1,5-naphthylene)s (PDANs) were prepared by the O-alkylation of PDHN with alkyl halides. The ε values of PDANs at 10GHz decreased as the length and size of side chains increased. charlie like a melody in my head