The oxypropylation of cork residues: preliminary results

被引:29
作者
Evtiouguina, M
Barros, AM
Cruz-Pinto, JJ
Neto, CP
Belgacem, N
Pavier, C
Gandini, A
机构
[1] Ecole Francaise Papeterie & Ind Graph, Inst Natl Polytech Grenoble, F-38402 St Martin Dheres, France
[2] Univ Aveiro, Dept Chem, P-3810 Aveiro, Portugal
[3] Univ Beira Interior, Dept Pulp & Paper Engn, P-6200 Covilha, Portugal
关键词
cork; oxypropylation; viscous polyols;
D O I
10.1016/S0960-8524(99)00158-3
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Cork particles were oxypropylated under pressure at a relatively high temperature and yielded a mixture of liquid polyols composed of propylene oxide homopolymer (PPO) and cork macromolecules bearing oligo(propylene oxide) grafts. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:187 / 189
页数:3
相关论文
共 9 条
[1]   Urethanes and polyurethanes from suberin 2: synthesis and characterization [J].
Cordeiro, N ;
Belgacem, MN ;
Gandini, A ;
Neto, CP .
INDUSTRIAL CROPS AND PRODUCTS, 1999, 10 (01) :1-10
[2]   Urethanes and polyurethanes from suberin .1. Kinetic study [J].
Cordeiro, N ;
Belgacem, MN ;
Gandini, A ;
Neto, CP .
INDUSTRIAL CROPS AND PRODUCTS, 1997, 6 (02) :163-167
[3]   Cork suberin as a new source of chemicals: 2. Crystallinity, thermal and rheological properties [J].
Cordeiro, N ;
Belgacem, NM ;
Gandini, A ;
Neto, CP .
BIORESOURCE TECHNOLOGY, 1998, 63 (02) :153-158
[4]   Cork suberin as a new source of chemicals. 1. Isolation and chemical characterization of its composition [J].
Cordeiro, N ;
Belgacem, MN ;
Silvestre, AJD ;
Neto, CP ;
Gandini, A .
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, 1998, 22 (02) :71-80
[5]  
CORDEIRO N, 1999, IN PRESS IND CROPS P
[6]   A C-13 solid state nuclear magnetic resonance spectroscopic study of cork cell wall structure: The effect of suberin removal [J].
Gil, AM ;
Lopes, M ;
Rocha, J ;
Neto, CP .
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, 1997, 20 (04) :293-305
[7]  
Lopes M, 1998, HOLZFORSCHUNG, V52, P146, DOI 10.1515/hfsg.1998.52.2.146
[8]  
PAVIER C, 1999, IN PRESS IND CROPS P
[9]  
PAVIER C, 1999, IN PRESS CARBOHYDRAT