Separating TDI from polyurethane prepolymer with molecular distillation apparatus

Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities

Volumn 19, Issue 2, 2005, Pages 197-201

  Hu, Xiao Yong ^a,b   Zhang, Xin Ya ^a   Sheng, Hui Fang ^a   Qu, Jin Qing ^a   Chen, Huan Qin ^a  

^a SOUTH CHINA UNIVERSITY OF TECHNOLOGY   (China)

^b GUANGXI UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

Molecular distillation apparatus; Polyurethane; Separation; TDI TMP prepolymer; Tolulene diisocyanate (TDI)

Indexed keywords

DISTILLATION EQUIPMENT; FEEDING; MONOMERS; SEPARATION;

BUTYL ACETATE; MOLECULAR DISTILLATION APPARATUS; SCRAPING PLANK; SECOND STAGE DISTILLATION; SUITABLE DISTILLATION CONDITIONS; TDI TMP PREPOLYMER; TOLULENE DIISOCYANATE (TDI);

POLYURETHANES;

EID: 20144362369     PISSN: 10039015     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (10)

1. Leverkusen W B. Glycol modified isocyanurate containing polyisocyanates [P]. USP 3, 248, 372, 1966.
2. Heiss H L, New Martinsville, et al. Prepolymer composition [P]. USP 3, 384, 624, 1968.
3. Marans, et al. Removal of unreacted tolylene diisocyanate from urethane prepolymers [P]. USP 4, 061, 662, 1977.
4. Robin, et al. Substantially pure isocyanurate/polyisocyanates [P]. USP 4, 963, 675, 1990.
5. SHENG Mao-gui. Reducing content of dissociating TDI from prepolymers by extraction method [J]. Coating Technology, 1998, 2: 53-55.
6. QU Jin-qing, TU Wei-ping, CHEN Huan-qin. Synthesis and characterization of two component waterborne polyurethane paints. J Chem Eng of Chinese Univ, 2002, 16(2): 212-216.
7. QU Jin-qing, CHEN Huan-qin. Study on syntheses and properties of water-borne coating of polyurethane modified by epoxy resin [J]. J Chem Eng of Chinese Univ, 2002, 16(5): 570-574.
8. Alois Gemassmer, Cologne-Stammheim. Isocyanates and method of preparing same [P]. USP 3, 183, 112, 1965.
9. Starner, William E. Preparation of urethane prepolymers having low levels of residual toluene diisocyanate [P]. USP 5, 202, 001, 1993.
10. LI Shao-xiong, LIU Yi-jun. Polyurethane Adhesives [M]. Beijing: Chemical Industry Press, 1998. 116.