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31. The dianhydride monomer containing a thioether and sulphone structure can be used for compounding the polyimide with better dissolution property and processing property.

32. A coatings containing polytetrafluoroethylene(PTFE) was prepared with polyphenylene sulfide (PPS) and polyimide (PI) as adhesive which were mixed with PTFE in a suitable solvent.

33. Polyimide has become a main material for sacrificial layer in MEMS switch.

34. GI: The woven glass fiber laminate impregnated with polyimide resin.

35. The closed cell polyimide foams were fabricated by foaming the precursor balloons,(www.Sentencedict.com) and the foams' acoustic absorption properties were tested.

36. Industry adhesive tape Unit: producing Mylar tape, Margin tape, Polyimide (finger) tape, Teflon tape and other types with high –temperature.

37. An aromatic polyimide made by reacting pyromellitic dianhydride with an aromatic diamine; has high resistance to thermal stresses; used to made components of internal combustion engines.

38. The first polyimide polymer is prepared with aromatic fluoric diamine and aromatic tetracid dihydride and through a two-step condensation reaction in organic solvent and under the action of catalyst.

39. The present invention is a modified maleimide - terminated polyimide resin compound and the application.

40. A preliminary application of the polyimide film to layer flexible copper clad lamination was studied.

41. The polyimide resin of the invention is prepared from the raw materials of reactive blocking agent, aromatic tetracid dihydride and aromatic diamine by a PMR method.

42. The performance of polyimide nanofiltration membrane to separate 2 - butanone and oil was investigated.