A class of resins produced by polymerizing phenols with formaldehyde (methanol) using acid or basic catalysts. They are generally cross-linked thermosetting materials. Bakelite is the original example.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。