Hey wɔ hɔ! Sɛ́ obi a ɔde nsu a ɛyɛ nwini ma no, mahu ankasa sɛnea nneɛma nketenkete a ɛyɛ fɛ yi betumi ayɛ anwonwade ama nsu - a egyina ink so. Enti, momma yɛnkɔ mu yie na yɛnka sɛdeɛ nneɛma a ɛma nsuo yɛ nsuo ma nsuo - a egyina ink so no yɛ adwuma yie no ho asɛm.
Nea edi kan no, momma yɛnte nea nsu - a egyina ink so yɛ ase. Wɔyɛ nea nkurɔfo ani gye ho paw nnansa yi efisɛ wɔyɛ nneɛma a atwa yɛn ho ahyia adamfofa kɛse sɛ wɔde toto solvent - based inks ho a. Wɔde nsu di dwuma sɛ ade titiriw a ɛde kɔla ne nneɛma afoforo a wɔde ka ho no kɔ. Nanso nsu wɔ n’ankasa nsɛnnennen bere a ɛfa ink a wɔde di dwuma ho no.
Nsɛm titiriw biako a ɛfa nsu - a egyina ink ho ne wɔn soro nhyɛso. Nsu wɔ soro tension a ɛkɔ soro kakra, a ɛkyerɛ sɛ ɛtaa yɛ bead up wɔ surfaces so sen sɛ ɛbɛtrɛw pɛpɛɛpɛ. Eyi betumi ama wɔakata so yiye na nea efi nhoma tintim mu no nyɛ pɛ. Ɛhɔ na nneɛma a ɛma nsu yɛ hyew ba.
Nneɛma a ɛma nsuo yɛ nwini, a wɔsan frɛ no surfactants, yɛ molecule a ɛwɔ nsuo (nsuo - dɔ) n’awieɛ ne nsuo (nsuo - tan) n’awieɛ. Sɛ wɔde ka nsu - a egyina ink ho a, ɛma ink no ani nhyɛso so tew. Eyi ma ink no trɛw ntɛmntɛm wɔ nea wɔde tintim nhoma no so, sɛ́ ɛyɛ krataa, plastic, anaa biribi foforo biara a wɔde tintim nhoma no.
Momma yɛnhwɛ sɛnea eyi yɛ adwuma no yiye. Sɛ wɔde ade a ɛma nsu yɛ nwini ka ink no ho a, surfactant molecule no awiei a nsu ntumi nkɔ mu no bata substrate no ani, bere a awiei a ɛyɛ nsu no kɔ so tra ink no mu. Eyi ma ɛyɛ tratraa a ɛtew nhyɛso a ɛda ink no ne nea ɛwɔ ase no ntam no so. Ne saa nti, ink no tumi sen yiye na ɛkata so pɛpɛɛpɛ.
Mfaso foforo a ɛwɔ nneɛma a ɛma nsu yɛ nwini a wɔde di dwuma wɔ ink a wɔde nsu - ayɛ mu ne sɛ ɛma kɔla a wɔde petepete mu no tu mpɔn. Pigments yɛ kɔla nketenkete a ɛwɔ ink no mu a ɛma ɛyɛ ne kɔla. Wɔ nsu - ink a egyina so mu no, ɛtɔ mmere bi a pigments tumi boaboa ano, a ebetumi ama kɔla a ɛnkɔ so pɛpɛɛpɛ na tintim su so atew. Nneɛma a ɛma nsu yɛ nwini boa ma nneɛma a ɛma kɔla no petepete ink no nyinaa mu pɛpɛɛpɛ.
Nneɛma a ɛma nsu yɛ nwini no molecule ahorow no twa aduru no mu nneɛma nketenkete no ho hyia, na ɛmma ɛnboaboa ano. Eyi hwɛ hu sɛ wɔkyekyɛ nneɛma a wɔde yɛ nneɛma no mu pɛpɛɛpɛ wɔ ink no mu, na ɛma kɔla a ɛkɔ so pɛpɛɛpɛ na tintim yɛ papa. Ɛboa nso ma nneɛma a wɔde yɛ aduru no ntumi nkɔ ink ahina no ase bere a bere kɔ so no.
Afei, momma yɛnka nkɛntɛnso a nneɛma a ɛma nsu yɛ hyew nya wɔ nsu - a egyina ink so no wee so ho asɛm. Nsu - a wɔde yɛ ink gye bere tenten ansa na ayow sɛ wɔde toto solvent - a wɔde yɛ ink ho efisɛ nsu no yɛ brɛoo. Nnuru a ɛma nsu yɛ nwini betumi ama nneɛma a ɛyow no ayɛ ntɛmntɛm ankasa.
Ɛdenam nneɛma a ɛma ink no ani so tew so no, ɛma nsu a ɛwɔ ink no mu no yɛ hyew ntɛmntɛm. Eyi te saa efisɛ nsu no ani nhyɛso a ɛba fam no kyerɛ sɛ ɛnyɛ den sɛ nsu mu nneɛma nketenkete no betumi atew afi ink no ho na akɔ mframa mu. Nea ɛde ba ne sɛ, ink no we ntɛmntɛm, a ɛyɛ mfaso kɛse wɔ - ahoɔhare kɛse tintim adwuma mu.
Wɔ bere a ɛma ɛyow no a ɛbɛma atu mpɔn akyi no, nneɛma a ɛma nsu yɛ nwini nso betumi ama ink no abata nea ɛwɔ ase no ho no ayɛ kɛse. Sɛ ink no bata ho yiye a, ɛnyɛ den sɛ ɛbɛpetepete anaasɛ ɛbɛsɛe. Eyi ho hia titiriw ma dwumadie a wɔde bedi nneɛma a wɔatintim no ho dwuma anaasɛ wɔbɛma asɛe.
Ade a ɛma nsuo no boa ma abusuabɔ a emu yɛ den ba ink ne substrate no ntam denam ahoɔden a ɛwɔ substrate no ani a ɛso tew so. Eyi ma ink no tumi ma n’anim yɛ nwini yiye na ɛyɛ ade a ɛde bata ho a ɛyɛ den.
Nanso wobɛyɛ dɛn apaw ade a ɛfata a wode bɛma wo nsu - based inks? Nneɛma pii wɔ hɔ a ɛsɛ sɛ yesusuw ho. Nea edi kan no, ɛsɛ sɛ wususuw substrate ko a wobɛtintim wɔ so no ho. Substrate ahorow wɔ surface su ahorow, na wubehia wetting agent a ebetumi atew surface tension a ɛwɔ saa substrate pɔtee no so yiye.
Ɛsɛ sɛ wususuw sɛnea ade a ɛma nsu yɛ nwini no ne nneɛma afoforo a wɔde ka ink no ho nso ho. Ebia nneɛma bi a ɛma nsu yɛ nwini ne nneɛma afoforo a ɛwɔ ink no mu bɛyɛ adwuma, na ebetumi ama nsɛm te sɛ ahurututu anaasɛ nea ɛbɛkɔ so agyina pintinn no so atew aba. Ɛho hia sɛ wosɔ ade a ɛma nsu yɛ nwini no hwɛ wɔ wo ink a wode yɛ no mu no hwɛ sɛ ɛne nneɛma afoforo no nyinaa yɛ adwuma yiye.
Wɔ yɛn adwumakuw no mu no, yɛde nneɛma ahorow pii a ɛma nsu yɛ nwini a wɔayɛ ama nsu - a egyina ink so titiriw ma. Wɔasɔ yɛn nneɛma ahwɛ na wɔada no adi sɛ ɛma nsu - a egyina ink so no yɛ adwuma yiye wɔ dwumadie ahodoɔ mu. Sɛ́ ebia woretintim wɔ krataa, plastic, anaa nneɛma afoforo so no, yɛwɔ ade a ɛma nsu tɔ a ebetumi adi w’ahiade ho dwuma.
Sɛ w’ani gye ho sɛ wobɛsua pii afa sɛdeɛ yɛn nsuo a yɛde yɛ nsuo no bɛtumi ama wo nsuo - based inks no adwumayɛ atu mpɔn a, wobɛtumi ahwɛ4-sɔhwɛdfgsdfg. Kratafa yi ma yɛn nneɛma ne sɛnea ɛyɛ adwuma ho nsɛm a ɛkɔ akyiri.
Yɛn ani gye bere nyinaa sɛ yɛne wo bɛbɔ nkɔmmɔ afa w’ahiade pɔtee ho. Sɛ worehwehwɛ sɛ wobɛma wo nsu - based inks no su ne adwumayɛ atu mpɔn a, ntwentwɛn wo nan ase sɛ wobɛkɔ. Yɛbɛtumi ne wo ayɛ adwuma de ahwehwɛ wetting agent ano aduru a ɛyɛ pɛpɛɛpɛ ama wo tintim ahiadeɛ. Sɛ ɛyɛ - tintim adwuma ketewa bi anaasɛ - nnwuma kɛseɛ bi a, yɛaka wo ho asɛm.
Sɛ yɛde rewie a, nneɛma a ɛma nsuo yɛ nsuo di dwuma titire wɔ nsuo - a wɔde yɛ ink a ɛyɛ adwuma yie no mu. Wɔtew nsu a ɛwɔ soro no so, ɛma kɔla no petepete, ɛma ɛyow ntɛmntɛm, na ɛma ɛbata ho yiye. Sɛ wopaw ade a ɛfata a ɛma nsu tɔ a, wubetumi anya nhoma tintim a eye, bere a wɔde yɛ nneɛma ntɛmntɛm, na nea efi mu ba a ɛkɔ so daa. Enti, sɛ wowɔ gua so ma wetting agent ma wo nsu - based inks a, frɛ yɛn anaa fa email to yɛn. Yɛwɔ ha sɛ yɛbɛboa wo ama wo tintim no akɔ ɔfa a edi hɔ.
Nsɛm a wɔde gyinaa so
- Smith, J. (2018) ne ne mfɛfoɔ. "Nkɔso a ɛba wɔ Nsu - Based Inks mu". Nsɛmma nhoma a ɛfa nhoma tintim mfiridwuma ho, 12(3), 45 - 52.
- Johnson, M. (2019) ne ne mfɛfoɔ. "Dwuma a Wetting Agents di wɔ Ink Formulation mu". Ink Nhwehwɛmu Nsɛmma Nhoma, 20(1), 10 - 18.
