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Study on the Mechanical Properties of Amine-modified or Allyl-modified Maleimide Resins
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- ENOKI Takashi
- Fundamental Research Laboratory, Sumitomo Bakelite Co., Ltd.
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- TAKEDA Toshiro
- Fundamental Research Laboratory, Sumitomo Bakelite Co., Ltd.
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- ISHII Keiichiro
- Fundamental Research Laboratory, Sumitomo Bakelite Co., Ltd.
Bibliographic Information
- Other Title
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- アミンまたはアリル変性マレイミド樹脂の硬化物特性
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Description
Using N, N′-4, 4′-diphenylmethane-bismaleimide (BMI), 4, 4′-diaminodiphenylmethane (DDM) and o, o′-diallyl-bisphenol A, detailed investigation was conducted on the influences of curing method and chain extension reaction (related to molar ratio) on the mechanical properties of amine-modified or allyl-modified maleimide resins.<BR>On the effect of curing conditions, the more uniformly cured structure was obtained by “stepwise curing by raising temperature” than “isothermal curing at a high temperature”.<BR>In both BMI/DDM and BMI/CA systems, lowering molar ratio (by increasing chain extension reaction, for example) made glass transition temperature (Tg) lower, and gave improved deflection at break and fracture toughness (G1c). In BMI/CA system, however the improvement was not so effective as BMI/DDM system because of formation of the rigid ring structure through Diels-Alder” reactions with “ene”.<BR>From these results, the relationship between the mechanical properties and the structure of cured resins was considered.
Journal
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- Japan Thermosetting Plastic Industry Association
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Japan Thermosetting Plastic Industry Association 14 (3), 131-138, 1993
Japan Thermosetting Plastics Industry Association
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Details 詳細情報について
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- CRID
- 1390282680067233152
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- NII Article ID
- 130006886356
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- ISSN
- 21865361
- 03884384
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed