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Novel maleimide functionalized oligomers have been prepared from the acid catalysed co-oligomerization of N-(4-phenoxy)-phenylmaleimide (PPM) with a series of activated aromatics (diphenyl ether (DPE), diphenylmethane (DPM) and dibenzofuran (DBF)) in the presence of formaldehyde. The resultant oligomers can be polymerized to form infinite networks possessing glass transition temperatures (T g) in excess of 400°C. Cured co-oligomers containing a 55:45 mol% ratio of PPM and DPE exhibit an optimum combination of modulus, toughness and T~ which is comparable to commercially available BMI compositions.

Посилання на статтю:

Novel maleimide functionalized oligomers: 2. Co-oligomerization studies / Michael S. Chisholm* // Polymer. – 1992. – Vol 33. – P. 842-846.

Novel maleimide functionalized oligomers: 2. Co-oligomerization studies - Завантажити.