FLUORINE-CONTAINING AROMATIC DINITRILE
NEW MATERIAL:A compound of formula I (R is H, methyl; A is -OCH2CH2-, formula II; B is O, S; X is F, formula III; n is 0-4). EXAMPLE:2,3-Difluoro-4,6-bis(acryloyloxy)isophthalonitrile. USE:A nonsolvent type irradiation-induced polymerization material. The irradiation-curable composition therefrom is...
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Zusammenfassung: | NEW MATERIAL:A compound of formula I (R is H, methyl; A is -OCH2CH2-, formula II; B is O, S; X is F, formula III; n is 0-4). EXAMPLE:2,3-Difluoro-4,6-bis(acryloyloxy)isophthalonitrile. USE:A nonsolvent type irradiation-induced polymerization material. The irradiation-curable composition therefrom is used as a coating or impregnating agent, ink and adhesive for wood, paper, plastics, metal and woven fabrics, and an electronics material. PREPARATION:The reaction of a compound of formula IV (n is 1-4) with tetrafluoro-isophthalonitrile is carried out in the absence or presence of an aprotic solvent such as acetonitrile, preferably in the presence of a base such as a tertiary amine at 0-50 deg.C to give the compound of formula I. |
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