PREPARATION OF A POLYIMIDE FOAM

[21] STRUCTURAL EFFECTS IN METAL ION CATALYSIS OF ISOCYANATE-HYDROXYL REACTIONS [J]. JOURNAL OF APPLIED POLYMER SCIENCE, 1965, 9 (03) : 821 - &

[22] SAUNDERS JA, 1963, POLYURETHANES CHEM 1, P81

[23] REACTION OF AN ISOCYANATE AND A CARBOXYLIC ACID IN DIMETHYL SULFOXIDE [J]. JOURNAL OF ORGANIC CHEMISTRY, 1959, 24 (07) : 978 - 980

[24] AROMATIC POLYPYROMELLITIMIDES FROM AROMATIC POLYAMIC ACIDS [J]. JOURNAL OF POLYMER SCIENCE PART A-GENERAL PAPERS, 1965, 3 (4PA): : 1373 - &

[25] DECOMPOSITION OF DIMETHYL SULFOXIDE AIDED BY ETHYLENE GLYCOL ACETAMIDE + RELATED COMPOUNDS [J]. JOURNAL OF ORGANIC CHEMISTRY, 1964, 29 (01) : 221 - &

[26] REACTION OF PHENYL ISOCYANATE WITH N,N-DIMETHYLFORMAMIDE [J]. JOURNAL OF ORGANIC CHEMISTRY, 1960, 25 (12) : 2245 - 2247

[27] WURTZ A, 1954, LIEBIGS ANN CHEM, V42, P54

[28] 1967, Patent No. 3300420

[29] 1964, CHEM WEEK, P71

[21] STRUCTURAL EFFECTS IN METAL ION CATALYSIS OF ISOCYANATE-HYDROXYL REACTIONS [J]. JOURNAL OF APPLIED POLYMER SCIENCE, 1965, 9 (03) : 821 - &

[22] SAUNDERS JA, 1963, POLYURETHANES CHEM 1, P81

[23] REACTION OF AN ISOCYANATE AND A CARBOXYLIC ACID IN DIMETHYL SULFOXIDE [J]. JOURNAL OF ORGANIC CHEMISTRY, 1959, 24 (07) : 978 - 980

[24] AROMATIC POLYPYROMELLITIMIDES FROM AROMATIC POLYAMIC ACIDS [J]. JOURNAL OF POLYMER SCIENCE PART A-GENERAL PAPERS, 1965, 3 (4PA): : 1373 - &

[25] DECOMPOSITION OF DIMETHYL SULFOXIDE AIDED BY ETHYLENE GLYCOL ACETAMIDE + RELATED COMPOUNDS [J]. JOURNAL OF ORGANIC CHEMISTRY, 1964, 29 (01) : 221 - &

[26] REACTION OF PHENYL ISOCYANATE WITH N,N-DIMETHYLFORMAMIDE [J]. JOURNAL OF ORGANIC CHEMISTRY, 1960, 25 (12) : 2245 - 2247

[27] WURTZ A, 1954, LIEBIGS ANN CHEM, V42, P54

[28] 1967, Patent No. 3300420

[29] 1964, CHEM WEEK, P71