乐天俊 副教授，博士研究生导师。针对环氧烷烃聚合物立体化学以及序列结构难以调控的研究挑战，围绕环氧烷烃聚合的单体选择性活化以及活性链末端调控方法开展研究。（1）采用Lewis酸碱协同催化策略，调控催化中心与活性链末端的相互作用以及对共聚单体的反应性，精确合成功能性含硫聚合物；（2）构建优势手性双金属催化剂，调控单体的对映选择性活化，制备立构规整性聚合物；（3）发展环氧烷烃共聚新反应，调控不同单体的共聚反应活性，制备无规、梯度以及嵌段结构的共聚物，明确构效关系。近5年以第一作者或（共同）通讯作者在Chem. Rev.（1篇）、Angew. Chem. Int. Ed.（6篇）、Macromolecules（2篇）等期刊发表15篇学术论文，授权发明专利11项，其中1项已完成专利使用授权许可。2018年入选“中国科协中外优秀青年交流计划”，到美国Texas A&M University访学交流。2020年12月获工学博士学位。研究方向含硫聚合物的精准合成。2021年进入大连理工大学化学流动站，从事博士后研究工作。期间，于2021年入选“博士后创新人才支持计划”，并获“国家自然科学基金青年项目”、“中国博士后科学基金面上项目（二等）”资助。2024年获“辽宁省自然科学基金优秀青年项目”资助。

科研项目：

1. 《硫代酸酐与内消旋环硫烷烃的立体选择性共聚》国家自然科学基金青年科学基金项目，2022.01 ~ 2024.12，总经费30万（项目负责人）。

2. 《手性聚硫代酯的精准合成》中国博士后科学基金博士后创新人才支持计划，2021.06 ~ 2023.06，总经费23万（项目负责人）。

3. 《立构规整性聚硫代酯的精准合成》中国博士后科学基金面上项目，2021.06 ~ 2023.06，总经费8万（项目负责人）。

       4.  《高折射率光学树脂材料制备技术》辽宁省自然科学基金优秀青年项目，2024.11 ~ 2026.10，总经费50 万（项目负责人）。

       5. 《手性环硫氯丙烷的合成技术》济南扬诺生物科技有限公司，2022.08 ~ 2024.09，总经费100万（项目负责人）。

论文成果：

      [18] Yu Xiao, Tian-Jun Yue,* Xiao-Bing Lu, and Wei-Min Ren. Stereoregular poly(2-phenylthiirane) via cationic ring-opening polymerization. Chem. Commun. 2024, 60, 5034–5037.

      [17] Jin-Zhuo Zhao,Tian-Jun Yue, Bai-Hao Ren, Xiao-Bing Lu, Wei-Min Ren*. Closed-loop recycling ofsulfur-rich polymers with tunable properties spanning thermoplastics, elastomers, and vitrimers. Nat. Commun. 2024, 15, 3002−3009. 

      [16] Xiang-Yu Fu, Tian-Jun Yue*, Bai-Hao Ren, Hai Wang, Wei-Min Ren*, and Xiao-Bing Lu. A Powerful Strategy for Synthesizing Block Copolymers via Bimetallic Synergistic Catalysis. Angew. Chem. Int. Ed. 2024, 63, e202401926.

     [15] Tian-Jun Yue, Xiang-Yu Fu, Ji Zhang, Yong-Gui Zhou, Wei-Min Ren,* and Xiao-Bing Lu. Elemental Selenium-Derived Poly(sulfide selenide)s: A Platform of Photodegradable and Electrochemical Responsive Polymers. Macromolecules 2024, 57, 1319−1327.

       [14] Yu Xiao, Tian-Jun Yue, Bai-Hao Ren, Wei-Min Ren,* and Xiao-Bing Lu. Isotactic-Rich Polythioethers Synthesized from Asymmetric Ring-Opening Polymerization of Racemic Terminal Thiiranes. ACS Catal. 2023, 13, 16215−16221.

[13] Tian-Jun Yue, Wei-Min Ren*, and Xiao-Bing Lu. Copolymerization involving sulfur-containing monomers. Chem. Rev. 2023, 123, 14038−14083.

[12] Xiao-Hui Guo, Ge-Ge Gu, Tian-Jun Yue* and Wei-Min Ren. Orthogonal polymerization of aziridine with cyclic carbonates for constructing amphiphilic block copolymers. Polym. Chem. 2023, 14, 5034–5039.

[11] Tian-Jun Yue, Li-Yang Wang, Wei-Min Ren*, Xiao-Bing Lu. Regioselective copolymerization of epoxides and phthalic thioanhydride to produce isotacticity-rich semiaromatic polythioesters. Eur. Polym. J. 2023, 190, 111985–111992.

[10] Jin-Zhuo Zhao, Tian-Jun Yue (first co-author), Bai-Hao Ren, Ye Liu, Wei-Min Ren*, Xiao-Bing Lu. Recyclable sulfur-rich polymers with enhanced thermal, mechanical, and optical performance. Macromolecules 2022, 55, 8651–8658.

[9] Ji-Yan Chao, Tian-Jun Yue (first co-author), Bai-Hao Ren, Ge-Ge Gu, Xiao-Bing Lu, Wei-Min Ren*. Controlled disassembly of elemental sulfur: An approach to the precise synthesis of polydisulfides. Angew. Chem. Int. Ed. 2022, 61, e202115950.

[8] Tian-Jun Yue, Li-Yang Wang Wei-Min Ren*. The synthesis of degradable sulfur-containing polymers: precise control of structure and stereochemistry. Polym. Chem. 2021, 12, 6650–6666.

[7] Tian-Jun Yue, Bai-Hao Ren, Wen-Jian Zhang, Xiao-Bing Lu, Donald J. Darensbourg, Wei-Min Ren. Randomly distributed sulfur atoms in the main chains of CO₂-based polycarbonates: Enhanced optical properties. Angew. Chem. Int. Ed. 2021, 60, 4315–4321.

[6] Tian-Jun Yue, Gulzar A. Bhat, Wen-Jian Zhang, Wei-Min Ren,* Xiao-Bing Lu, and Donald J. Darensbourg*. Facile synthesis of well-defined branched sulfur-containing copolymers: One-pot copolymerization of carbonyl sulfide and epoxide. Angew. Chem. Int. Ed. 2020, 59, 13633–13637.

[5] Tian-Jun Yue, Ming-Chao Zhang, Ge-Ge Gu, Li-Yang Wang, Wei-Min Ren,* Xiao-Bing Lu*. Precise synthesis of poly(thioester)s with diverse structures by copolymerization of cyclic thioanhydrides and episulfides mediated by organic ammonium salts. Angew. Chem. Int. Ed. 2019, 58, 618–623.

[4] Tian-Jun Yue, Wei-Min Ren,* Li Chen, Ge-Ge Gu, Ye Liu, Xiao-Bing Lu. Synthesis of chiral sulfur-containing polymers: Asymmetric copolymerization of meso-epoxides and carbonyl sulfide. Angew. Chem. Int. Ed. 2018, 57, 12670–12674.

[3] Wei-Min Ren,* Tian-Jun Yue, Ming-Ran Li, Zhao-Qian Wan, Xiao-Bing Lu. Crystalline and elastomeric poly(monothiocarbonate)s prepared from copolymerization of COS and achiral epoxide. Macromolecules 2017, 50, 63−68.

[2] Wei-Min Ren,* Tian-Jun Yue, Xue Zhang, Ge-Ge Gu, Ye Liu, Xiao-Bing Lu. Stereoregular CO₂ copolymers from epoxides with an electron-withdrawing group: Crystallization and unexpected stereocomplexation. Macromolecules 2017, 50, 7062–7069.

[1] Tian-Jun Yue, Wei-Min Ren,* Ye Liu, Zhao-Qian Wan, Xiao-Bing Lu. Crystalline polythiocarbonate from stereoregular copolymerization of carbonyl sulfide and epichlorohydrin. Macromolecules 2016, 49, 2971−2976.