1. Tribological properties of bismaleimide reinforced with Si-containing benzoxazine monomer.
- Author
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Yang, Ju-xiang, Jia, Yuan, Li, Pengna, and Sun, Ping
- Subjects
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BENZOXAZINES , *POLYMER blends , *MONOMERS , *SILANE coupling agents , *GLASS transition temperature , *WEAR resistance , *THERMAL resistance - Abstract
To improve the mechanical and tribological properties of bismaleimide (BMI) resin, a novel Si-containing benzoxazine (Si-BOZ) monomer was synthesized using a solvent process and N -(2-aminoethyl)-3-aminopropyltrimethoxysilane as a silane coupling agent. The novel Si-BOZ monomer was subsequently blended with BMI to prepare Si-BOZ/BMI polymer alloys. Furthermore, the effect of Si-BOZ content on the mechanical, tribological, and thermal properties of Si-BOZ/BMI alloys was investigated. The results revealed that the addition of Si-BOZ to BMI improved the mechanical properties and wear resistance of Si-BOZ/BMI; moreover, the glass transition temperature of cured Si-BOZ/BMI alloys was lower than that of pure BMI resin. These results confirmed that the increase in wear resistance of Si-BOZ/BMI alloys can be attributed to the increase in thermal resistance and improvement in mechanical performance owing to the addition of Si-BOZ. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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