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Terminal-modified imide oligomer, varnish, cured product thereof, film, and imide prepreg and fiber-reinforced composite material using the same
Terminal-modified imide oligomer, varnish, cured product thereof, film, and imide prepreg and fiber-reinforced composite material using the same
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机译:末端改性的酰亚胺低聚物,清漆,其固化产物,膜,酰亚胺预浸料以及使用其的纤维增强复合材料
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摘要
A terminally modified imide oligomer is represented by a specific formula including a 2-phenyl-4,4′-diaminodiphenylether residue or a 4-phenoxy-1,3-diaminobenzene residue. A varnish is obtained by dissolving the terminally modified imide oligomer. A cured product is obtained by heat-curing the terminally modified imide oligomer, and a film including the cured product has a tensile elongation at break of 10% or more. An imide prepreg is obtained by impregnating fibers with the varnish and then drying the impregnated fibers. A fiber-reinforced composite material is obtained by layering and then heat-curing the imide prepreg.
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