Ink for screen printing, method for producing same, and method for manufacturing edge and damper of speaker using same
A screen printing ink includes micelle structural particles formed by aggregating molecules of ammonium acrylate to dispersed particles containing phenol resin, and a dispersion medium for dispersing the micelle structural particle.
1 . A screen printing ink comprising:
micelle structural particles formed by aggregating molecules of ammonium acrylate to dispersed particles containing phenol resin, and
a dispersion medium for dispersing the micelle structural particles.
2 . The screen printing ink according to claim 1 ,
wherein the dispersion medium is water.
3 . The screen printing ink according to claim 1 ,
wherein a hydrogen ion exponent of the ink is in a range of from pH 6.5 to pH 8.5.
4 . The screen printing ink according to claim 1 ,
wherein the phenol resin is contained in an amount of from 1.0 wt % to 14.0 wt %, and the ammonium acrylate is contained in an amount of from 2.0 wt % to 4.0 wt %.
5 . A screen printing ink production method comprising:
a step A for preparing latex by dispersing dispersed particles containing phenol resin into a dispersion medium, and
a step B for mixing a viscosity improver containing ammonium acrylate with the latex.
6 . The screen printing ink production method according to claim 5 , wherein
the step A includes;
preparing a phenol resin solution by mixing fine particles of the phenol resin and polyvinyl alcohol, and
preparing the dispersed particles by dispersing the phenol resin solution into the dispersion medium.
7 . The screen printing ink production method according to claim 5 ,
wherein the viscosity improver is an aqueous solution of the ammonium acrylate.
8 . The screen printing ink production method according to claim 5 ,
wherein the viscosity improver has a hydrogen ion exponent in a range of from pH 6.5 to pH 8.5.
9 . A production method of a speaker edge comprising:
forming a printed pattern on a fabric by screen printing by using an ink, the ink including micelle structural particles formed by aggregating molecules of ammonium acrylate to dispersed particles containing phenol resin, and a dispersion medium for dispersing the micelle structural particles,
heat-molding a portion of the printed pattern into a predetermined shape, and
cutting out the heat-molding portion.
10 . A production method of a speaker damper comprising:
forming a printed pattern on a fabric by screen printing by using an ink, the ink including micelle structural particles formed by aggregating molecules of ammonium acrylate to dispersed particles containing phenol resin, and a dispersion medium for dispersing the micelle structural particles,
heat-molding a portion of the printed pattern into a predetermined shape, and
cutting out the heat-molding portion.