Epoxy polymers modified with polyetherimide. Part II: physicomechanical properties of modified epoxy oligomers and carbon fiber reinforced plastics based on them

被引：17
|
作者：
Korokhin, R. A. [1 ]
Solodilov, V. I. [1 ]
Zvereva, U. G. [1 ]
Solomatin, D. V. [1 ]
Gorbatkina, Yu. A. [1 ]
Shapagin, A. V. [2 ]
Lebedeva, O. V. [1 ]
Bamborin, M. Yu. [3 ]
机构：
[1] Russian Acad Sci, Semenov Inst Chem Phys, Kosygin Str 4, Moscow, Russia
[2] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Leninskii Prospect 31, Moscow, Russia
[3] JSC NIIGrafit, Moscow, Russia
来源：
POLYMER BULLETIN | 2020年 / 77卷 / 04期
关键词：
Epoxy resin; Polyetherimide; Carbon-fiber-reinforced plastics; Strength; Fracture toughness; MECHANICAL-PROPERTIES; FRACTURE-TOUGHNESS; PHASE-BEHAVIOR; RESIN; MORPHOLOGY; BLENDS; POLYSULFONE; MATRICES; MISCIBILITY;
D O I：
10.1007/s00289-019-02841-9
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The influence of the Ultem-1010 polyetherimide (PEI) on the physicomechanical properties of the ED-20 epoxy matrix and carbon-fiber-reinforced plastics (CFRP) based on the epoxy-polyetherimide binders is studied. It is shown that the introduction of PEI allows one to increase the impact strength and fracture toughness of the matrix 70 and 350%, respectively. The fracture toughness of the CFRP increases 40% with the rise in the PEI concentration. The correlation between the fracture toughness of the composites and their matrices has been established.
引用
收藏
页码：2039 / 2057
页数：19
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