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Rapid Curing System of a Cyanate Ester Resin/Epoxy Resin with a Thermal Latent Polymeric Hardener Based on a Phenol–Amine Salt
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- Junji Ueyama
- Functional Polymers Development Laboratory, R&D Division, ADEKA Co., 20 Showanuma, Shobu-cho, Kuki-shi, Saitama 346-0101, Japan
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- Ryo Ogawa
- Functional Polymers Development Laboratory, R&D Division, ADEKA Co., 20 Showanuma, Shobu-cho, Kuki-shi, Saitama 346-0101, Japan
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- Keisuke Ota
- Functional Polymers Development Laboratory, R&D Division, ADEKA Co., 20 Showanuma, Shobu-cho, Kuki-shi, Saitama 346-0101, Japan
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- Yasuyuki Mori
- Molecular Engineering Institute, Kyushu Institute of Technology, 1-1 Sensui-cho, Tobata, Kitakyushu 804-8550, Japan
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- Akihiko Tsuge
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu Institute of Technology, 1-1 Sensui-cho, Tobata, Kitakyushu 804-8550, Japan
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- Takeshi Endo
- Molecular Engineering Institute, Kyushu Institute of Technology, 1-1 Sensui-cho, Tobata, Kitakyushu 804-8550, Japan
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Description
We studied the thermal behavior and curing process of a cyanate ester resin (Cy)/epoxy resin (EP)/thermal latent polymeric hardener system based on a phenol–amine salt (PA-hardener) and the resulting cross-linked structure. Additionally, the physical properties of the cured product were evaluated. As a result, the curing system of Cy/EP with the PA-hardener was found to have unique thermal behavior, and an adhesion process was conducted in which the functionality and reactivity of the cyanate ester resin were utilized. The system cured rapidly at approximately 80 °C and could be completely cured at 120 °C in 1 h because the PA-hardener dissolved in the resins at an elevated temperature to give free amines, which could readily initiate the polymerization of cyanate ester resins and epoxy resins. The glass-transition temperature ( T g ) of the cured products increased with increasing a triazine-rich cross-linked structure derived from the cyclotrimerization of the cyanate ester resin as the curing proceeded at a relatively low temperature. The Cy/EP/PA-hardener system was found to have a rapid curing process and excellent adhesiveness, and it afforded a cured product with heat stability.
Journal
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- ACS Applied Polymer Materials
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ACS Applied Polymer Materials 4 (1), 84-90, 2021-12-07
American Chemical Society (ACS)
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Keywords
- Physiology
- hardener system
- thermal behavior
- Space Science
- transition temperature (<
- linked structure
- epoxy resins
- Environmental Sciences not elsewhere classified
- excellent adhesiveness
- cured product
- curing proceeded
- Ecology
- cured products increased
- rapid curing process
- completely cured
- >< sub
- rapid curing system
- Infectious Diseases
- could readily initiate
- curing system
- elevated temperature
- 1 h
- heat stability
- Biotechnology
- Biological Sciences not elsewhere classified
- Chemical Sciences not elsewhere classified
- adhesion process
- Immunology
- Biophysics
- physical properties
- epoxy resin
- cyanate ester resins
- curing process
- unique thermal behavior
- system cured rapidly
- give free amines
- relatively low temperature
- linked structure derived
- rich cross
- cyanate ester resin
- 620
- resulting cross
- 120 ° c
- Physical Sciences not elsewhere classified
Details 詳細情報について
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- CRID
- 1360861705561924224
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- ISSN
- 26376105
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- Article Type
- journal article
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- Data Source
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- Crossref
- KAKEN
- OpenAIRE
