Dr. Jian Yu Dr. Jian Yu

最小化 最大化

 

YU Jian, Ph.D. Associate Professor 
 

Beijing National Laboratory for Molecular Sciences
Key Laboratory of Engineering Plastics, 
Joint Laboratory of Polymer Science and Materials, 
Institute of Chemistry, Chinese Academy of Sciences (ICCAS)

Tel:

+86-10-62613251

 

 

Fax:

+86-10-62613251

E-mail:

yuj@iccas.ac.cn

Address:

Institute of Chemistry, The Chinese Academy of Sciences 
Beijing 100190, P.R. China

PROFESSIONAL BACKGROUND

Born in 1972
1989-1993, BS, Department of Chemical Engineering, Zhejiang University
1993-1996, MS, Department of Polymer Science and Engineering, Zhejiang University
1996-1999, Ph.D, Institute of Chemistry, CAS
1999.10-2001.10, Postdoctoral research, College of Chemistry and Molecular Engineering, Peking University
2002.4-, Associate Professor, CAS-KLEP, Institute of Chemistry, CAS

SCIENTIFIC RESEARCH

  • The relationship between the structure and properties of polyolefin
  • Microcellular foaming of high melt strength polypropylene
  • Supercritical fluids assisted crystallization and crytal transition of semi-crystalline polymers in bulk and thin film

SELECTED PUBLICATION

  1. 徐鸿, 仝芳芳,  余坚,* 文利雄, 张军*, 何嘉松. Synergistic effect of 1-dodecyl-3-methylimidazolium hexafluorophosphate ionic liquid and montmorillonite on microcellular foaming behavior of poly(methyl methacrylate) by supercritical CO2, Industrial & Engineering Chemistry Research, 2013, 52(34): 11988-11995. http://dx.doi.org/10.1021/ie400997k
  2. 王德修, 余坚, 张金明, 何嘉松, 张军. Transparent bionanocomposites with improved properties from poly(propylene carbonate) (PPC) and cellulose nanowhiskers (CNWs), Composites Science and Technology, 2013, 85: 83-89. http://dx.doi.org/10.1016/j.compscitech.2013.06.004
  3. 宋洪赞, 牛艳华, 余坚, 张军, 王志刚, 何嘉松. Preparation and morphology of different types of cellulose spherulites from concentrated cellulose ionic liquid solutions, Soft Matter, 2013, 9(11): 3013-3020. http://dx.doi.org/10.1039/c3sm27320b
  4. 仝芳芳, 徐鸿, 余坚,* 文利雄*, 张军, 何嘉松. Plasticization of [C12MIM][PF6] ionic liquid on foaming performance of poly(methyl methacrylate) in supercritical CO2, Industrial & Engineering Chemistry Research, 2012, 51(38): 12329-123369. http://dx.doi.org/10.1021/ie301409h
  5. 仝芳芳, 徐鸿, 余坚*, 文利雄*, 张军, 何嘉松.相容的聚甲基丙烯酸甲酯/[C12MIM][PF6]离子液体体系在超临界CO2中的发泡性能, 高等学校化学学报, 2012, 33(1): 172-175.
  6. Xu H, Tong FF, Yu J*, Wen LX, Zhang J*, He J. A one-pot method to prepare transparent poly(methyl methacrylate)/montmorillonite nanocomposites by imidazolium-based ionic liquids. Polymer International 2012, 61(9): 1382-1388. http://dx.doi.org/10.1002/pi.4217
  7. Tong FF, Xu H, Yu J*, Wen LX*, Zhang J, He J. 相容的聚甲基丙烯酸甲酯/[C12MIM][PF6]离子液体体系在超临界CO2中的发泡性能. 高等学校化学学报 33(1): 172-175, 2012. 
    http://dx.doi.org/10.3969/j.issn.0251-0790.2012.01.029 
     
  8. Zhang JM, Lv YX, Luo N, Wu J, Yu J, He J, Zhang J*. 离子液体在纤维素化学中的应用研究新进展. 高分子通报(10): 138-153, 2011. 
     
  9. Lan QF, Yu J*, Zhang J*, He J. Enhanced crystallization of bisphenol-A polycarbonate in thin and ultrathin films by supercritical carbon dioxide.Macromolecules 44(14): 5743-5749, 2011. 
    http://dx.doi.org/10.1021/ma102797r
     
  10. Lv YX, Li XY, Mi QY, Wang DX, Yu J*, Zhang J*. 以纤维素/AmimCl溶液制备纤维素气凝胶. 中国科学: 化学 41(8): 1331-1337, 2011. 
    http://dx.doi.org/10.1360/032011-214 
     
  11. Lan QF, Yu J*, He J, Maurer FHJ, Zhang J. Thermal Behavior of Poly(L-lactide) Having Low L-Isomer Content of 94% after Compressed CO2 Treatment.Macromolecules 43: 8602–8609, 2010. 
    http://dx.doi.org/10.1021/ma101473r
     
  12. Li BX, Yu J*, Ding Y*, Zhang J, He J. [C14MIM]Br离子液体对聚丙烯超临界CO2发泡性能的影响. 高等学校化学学报 31: 861–863, 2010. 
     
  13. Anderson A, Zhai WT, Yu J, He J, Maurer FHJ. Free volume and crystallinity of poly(ethylene naphthalate) treated in pressurized carbon dioxide.Polymer 51: 146-152, 2008. 
    http://dx.doi.org/10.1016/j.polymer.2009.11.019
     
  14. Yu J, He J. 超临界CO2技术制备微孔聚合物中的基本问题. 中国科学：化学 40: 1–15, 2010. 
     
  15. Zhai WT, Wang HY, Yu J*, Dong JY*, He J. Foaming Behavior of Polypropylene/Polystyrene Blends Enhanced by Improved Interfacial Compatibility. J Polym Sci, Polym Phys Ed 46: 1641-1651, 2008. 
    http://dx.doi.org/10.1002/polb.21498
     
  16. Zhai WT, Wang HY, Yu J*, Dong JY*, He J. Foaming behavior of isotactic polypropylene in supercritical CO2 influenced by phase morphology via chain grafting. Polymer 49:3146-3156, 2008. 
    http://dx.doi.org/10.1016/j.polymer.2008.05.018 
     
  17. Zhai WT, Wang HY, Yu J*, Dong JY*, He J. Cell coalescence suppressed by crosslinking structure in polypropylene microcellular foaming. Polym Eng Sci 48:1312-1321, 2008. 
    http://dx.doi.org/10.1002/pen.21095 
     
  18. Zhai WT, Yu J*, He J. Ultrasonic irradiation enhanced cell nucleation: An effective approach to microcellular foams of both high cell density and expansion ratio. Polymer 49:2430-2434, 2008. 
    http://dx.doi.org/10.1016/j.polymer.2008.04.002 
     
  19. Ma WM, Zhai WT, Yu J, He J. Establishing a three-dimensional diagram with solubility parameter representing the general behavior of crystallisation for amorphous poly(ethylene 2,6-naphthalate). Polym Inter 56:1298-1304, 2007. 
    http://dx.doi.org/10.1002/pi.2284 
     
  20. Zhai WT, Yu J*, Ma WM, He J. Cosolvent Effect of Water in Supercritical Carbon Dioxide Facilitating Induced Crystallization of Polycarbonate. Polym Eng Sci 47:1338-1343, 2007. 
    http://dx.doi.org/10.1002/pen.20816
     
  21. Ma WM, Yu J, He J. Competitive Influence of Atactic Polystyrene and Supercritical Carbon Dioxide on the Conformation of Syndiotactic Polystyrene.J Polym Sci, Polym Phys Ed 45: 1755-1764, 2007. 
    http://dx.doi.org/10.1002/polb.21047
     
  22. Ma WM, Yu J, He J, Wang DJ. Stability of form II of syndiotactic polypropylene confirmed by cold and melt crystallization in supercritical carbon dioxide. Polymer 48: 1741-1748, 2007. 
    http://dx.doi.org/10.1016/j.polymer.2007.01.035
     
  23. Zhai WT, Yu J*, Ma WM, He J. Influence of long-chain branching on the crystallization and melting behavior of polycarbonates in supercritical CO2.Macromolecules 40(1): 73-80, 2007. 
    http://dx.doi.org/10.1021/ma062181g
     
  24. Li G, Liao X, Sun XH, Yu J, He J. 超临界二氧化碳流体环境中制备导电聚吡咯复合材料 (Preparation of conductive PPy composites under supercritical carbon dioxide circumstance). 高等学校化学学报 (Chem J Chin Univ) 27(4): 771-774, 2006. 
     
  25. Ma WM, Yu J, He J. 聚合物在高压CO2下的结晶行为 (Crystallization behavior of polymer in compressed CO2, Review). 高分子通报 (Polym Bull) (3): 17-23, 2006. 
     
  26. Li G, Sun XH, Liao X, Yu J*, Zhang J, He J. Supercritical Carbon Dioxide Assisted Preparation of Conductive Polypyrrole/Cellulose Diacetate Composites. J Appl Polym Sci 100(6): 4575-4580, 2006. 
    http://dx.doi.org/10.1002/app.22569
     
  27. Zhai WT, Yu J*, WU LC, Ma WM, He J. Heterogeneous nucleation uniformizing cell size distribution in microcellular nanocomposites foams. Polyme47(21): 7580-7589, 2006. 
    http://dx.doi.org/10.1016/j.polymer.2006.08.034
     
  28. Ma WM, Yu J, He J. Empty delta crystal as an intermediate form for the d to g transition of syndiotactic polystyrene in supercritical carbon dioxide.Macromolecules 38(11): 4755-4760, 2005. 
    http://dx.doi.org/10.1021/ma050488u
     
  29. Ma WM, Yu J, He J. Stability of crystal forms of syndiotactic polystyrene correlated with their formation in different media having different solubility parameters. Polymer 46(24): 11104-11111, 2005. 
    http://dx.doi.org/10.1016/j.polymer.2005.09.002
     
  30. Liao X, He J, Yu J. Process analysis of phase transformation of alpha to beta-form crystal of syndiotactic polystyrene investigated in supercritical CO2. Polymer 46(15): 5789-5796, 2005. 
    http://dx.doi.org/10.1016/j.polymer.2005.04.062
     
  31. Ma WM, Yu J, He J. Empty delta crystal as an intermediate form for the to transition of syndiotactic polystyrene in supercritical carbon dioxide.Macromolecules 38 (11): 4755-4760, 2005. 
    http://dx.doi.org/10.1021/ma050488u
     
  32. Ma WM, Yu J, He J. Supercritical fluid assisted crystal transition of gamma-form crystal in syndiotactic polystyrene. Macromolecular Rapid Communications 26 (2): 112-115, 2005. 
    http://dx.doi.org/10.1002/marc.200400431
     
  33. Liu CY, Yu J, He JS, Liu W, Sun CY, Jing ZH. A reexamination of G(N)(0) and M-e of syndiotactic polypropylenes with metallocene catalysts.Macromolecules 37 (24): 9279-9282, 2004. 
    http://dx.doi.org/10.1021/ma048743i
     
  34. Ma WM, Yu J, He J. Direct formation of gamma form crystal of syndiotactic polystyrene from amorphous state in supercritical CO2. Macromolecules37 (18): 6912-6917, 2004. 
    http://dx.doi.org/10.1021/ma0491715
     
  35. Sun XH, Liu CY, Yu J, Li G, He JS. Preparation and characterization of microcellular cyclic olefin copolymer blends using supercritical CO2. Acta Polymerica Sinica (1): 132-136, 2004.
  36. Liu CY, Yu J, Sun XH, Zhang J, He JS. Thermal degradation studies of cyclic olefin copolymers. Polymer Degradation and Stability 81 (2): 197-205, 2003.
  37. Yu J, Li M, Yang JY, Gu ZW, Cao WX, Feng XD. Synthesis of 3-benzyl-glyceric acid: A key intermediate of a novel cyclic ester monomer. Chinese Journal of Polymer Science 20 (2): 177-180, 2002.
  38. Yang JY, Yu J, Li M, Gu ZW, Feng XD. Copolymerization and determination of monomer reactivity ratios of DL-lactide with 3-benzyloxymethyl-1,4-dioxane-2,5-dione. Chinese Journal of Polymer Science 20 (5): 413-417, 2002.
  39. Yang JY, Yu J, Pan HZ, Gu ZW, Cao WX, Feng XD. Synthesis of novel hydrophilic biodegradable polyester with functionalized side chain groups. Chinese Journal of Polymer Science 19 (5): 509-516, 2001.
  40. Yang JY, Yu J, Li M, Pan HZ, Gu ZW, Cao WX, Feng XD. A novel biodegradable polyester with hydrophilic pendant group - Synthesis and ring-opening polymerization of 3-benzyloxymethyl-1,4-dioxane-2,5-dione. Acta Chimica Sinica 59 (10): 1809-1812, 2001.
  41. Cao K, Yu J, Li BG, Li BF, Pan ZR. Micron-size uniform poly(methyl methacrylate) particles by dispersion polymerization in polar media 1. Particle size and particle size distribution. Chemical Engineering Journal 78 (2-3): 211-215, 2000.
  42. Yu J, He JS. Crystallization kinetics of maleic anhydride grafted polypropylene ionomers. Polymer 41 (3): 891-898, 2000.
  43. Yu J, He JS. The isothermal crystallization behavior of maleic anhydride graft polypropylene and its ionomers. Acta Polymerica Sinica (1): 87-92, 1999.
  44. Yu J, He JS. Non-isothermal crystallization behavior of maleic anhydride graft polypropylene and its ionomers. Acta Polymerica Sinica (5): 513-519, 1999.