摘要:
244,639. Foster, G. H. May 4, 1925. Pins, dowel and like.- A dowelled joint for woodwork is made by forming registering holes having undercut ends in the pieces to be joined and inserting expansible wooden dowels therein. The dowels 4 have axial holes at opposite ends and are expanded by tapered pins 7, 8.
摘要:
An inkjet ink includes: (i) a disazo dye of formula (I): (ii) 1,3-propanediol; (iii) a glycol compound selected from the group consisting of: triethylene glycol and tetraethylene glycol; and (iv) water. The ink has low toxicity and is preferably absent ethylene glycol and sulfolane.
摘要:
Compounds of the formula ##STR1## in which A is the radical of a sulpho group-containing diazo component of the aniline or 1- or 2-aminonaphthalene series,K is a coupling component radical of the phenol series, having a free hydroxy group or an etherified or acylated hydroxy group,R.sub.1 is hydrogen C.sub.1-4 alkoxy, C.sub.1-4 alkyl or C.sub.1-4 haloalkyl,R.sub.2 is C.sub.1-4 alkyl, C.sub.1-6 alkyl-CO-, C.sub.1-6 alkyl-O-CO-, -CONH.sub.2, C.sub.1-6 alkyl-NH-CO-, di-(C.sub.1-6 alkyl)N-CO-, 2-, 3-, 4-, 5- or 6-hydroxy(C.sub.2-6 alkyl)-NH-CO- or (2-, 3-, 4-, 5- or 6-hydroxy(C.sub.2-6 alkyl)).sub.2 N-CO-, andR.sub.10 is hydrogen or C.sub.1-4 alkyl,and mixtures thereof, which compounds are in free acid or salt form and are useful for dyeing or printing anionic dyeable substrates such as leather, natural and synthetic polyamides, polyurethanes and polyolefins modified to contain basic groups, especially nylon.