苯酚 、 草酸二水合物 、 对特辛基苯酚 在
水 作用下,
以to give 358 g of a pale yellow p-tert-octylphenol/phenol/formaldehyde co-condensate的产率得到p-Tert-octylphenol phenol formaldehyde
Color-developer for pressure-sensitive recording sheets
申请人:Mitsui Toatsu Chemicals, Inc.
公开号:US04400492A1
公开(公告)日:1983-08-23
Disclosed is a color-developer for pressure-sensitive recording sheets, comprising a co-condensate of a reaction intermediate of a p-substituted phenol and a trifunctional or higher phenol, or a polyvalent metal salt of said co-condensate, said reaction intermediate being obtained by the reaction of said p-substituted phenol under acidic conditions with formaldehyde or a substance capable of generating formaldehyde.
Disclosed is a color-developer for pressure-sensitive recording sheets, comprising a co-condensate of a reaction intermediate of a p-substituted phenol and a trifunctional or higher phenol, or a polyvalent metal salt of said co-condensate, said reaction intermediate being obtained by the reaction of said p-substituted phenol under alkaline conditions with formaldehyde or a substance capable of generating formaldehyde.