Wɔyɛɛ no sɛ wɔmfa ntintim wɔ silicone so (te sɛ buttons, wristbands, kitchenware, ne nnuruyɛ mfiri), saa ink yi yɛ nnwuma no mu paw a ɛkorɔn sen biara esiane sɛ ɛbata ho kɛse, ɔhyew a ɛko tia, ne sɛnea ɛyɛ den nti. Ɛho hia sɛ wodi ho dwuma yiye na wɔakwati sɛ wobetintim sintɔ ne ahobammɔ ho asiane ahorow.
I. Nneɛma a wɔkora so ne nea wɔkora so .
Ɔhyew: Fa sie baabi a ɛhɔ yɛ nwini na ɛyɛ sum wɔ 10-25℃, a ɛwɔ akyirikyiri fi hann ne ɔhyew a ɛkɔ soro ho.
Nsɔano: Nsɔano denneennen bere a woabue awie no na amma solvent no ayow.
Hwɛ sɛ bere no atwam ansa na wode adi dwuma anaa. Ink ahorow a ne bere atwam no taa yɛ nea ɛyɛ ntoatoaso ne osutɔ, na ɛhwehwɛ sɛ wɔkanyan no yiye. Mfa ink a ɛyɛ lumpy nni dwuma.
ii. Pre-Printing ayaresa .
Yi nnuru a wɔde gyae no yiye na fa srade fi silicone no ani (wɔkamfo kyerɛ sɛ wɔmfa nnuru a wɔde yɛ aduan anaa nsa popa nsa).
Sɛ ɛho hia a, fa silicone ayaresa di dwuma na ama adhesion no ayɛ kɛse.
Curing agent dosage: 2-5% wɔ ink mu duru mu (di nea ɔyɛe no ratio akyi denneennen). Fa di dwuma wɔ nnɔnhwerew 1-4 akyi a wɔde frafra mu na amma gelling ankɔ so.
iii. Printing Process Nsɛntitiriw .
Polyester screen mesh kɛse: 250-350 mesh. Mesh kɛse a ɛba fam dodo no bɛma ink seepage aba; Mesh kɛse a ɛkorɔn dodo no bɛma wɔasiw ano. Siesie squeegee nhyɛso no dynamically gyina silicone den. Nhyɛso a ɛboro so bɛma nhwɛso no ankyinkyim. Nneɛma a ɛwɔ hɔ a ɛyɛ nwini: 40-60% RH. Nsu a ɛyɛ hyew kɛse bɛka leveling.
Hyɛ no nsow: Wɔ multi-layer printing ho no, twɛn kosi sɛ ink a edi kan no bɛyow na amma kɔla a wɔde frafra ne nea ɛbɛbata ho no amma.
iv. Curing nhyehyɛe ho nsɛm .
Ɔhyew/bere: Tow wɔ 120-160℃simma 10-30 (egyina nea ɔyɛe no ho nsɛm so) .
Nnwinnade a wɔhwehwɛ: Oven a ɛyɛ hyew a ɛkyinkyini na ama ayɛ hyew pɛpɛɛpɛ.
Onwini: Ɛsɛ sɛ wɔma nneɛma no yɛ nwini kodu dan mu hyew so ansa na wɔde ahyɛ mu na amma ansɛe nneɛma a efi soro-temperature stacking.
V. Ahobammɔ ne nneɛma a atwa yɛn ho ahyia ho banbɔ .
Hyɛ afiri a wɔde home, ahwehwɛ, ne aduru a wɔde hyɛ mu-nnyigyei a ɛko tia. Hwɛ hu sɛ wɔahyɛ no ma mframa no akɔ adwumayɛbea hɔ na amma mframa a ɛyɛ hyew no ankɔ mu.
Tow ink ne nneɛma a wɔde tew nneɛma ho gu sɛnea nnuru a ɛyɛ hu ho mmara kyerɛ no. Ɛsɛ sɛ dade a emu yɛ duru a ɛwɔ mu no di ROHS gyinapɛn ahorow so.
( ( Nsɛm a Wɔtaa Bisa .
Abatade a enye: Hwɛ sɛnea substrate ahotew ne curing temperature.
Wɔ bubbles/pinholes ho no, fa 1% defoamer ka ho anaasɛ ɛne no yɛ pɛ na tew printing ahoɔhare so.
Sɛ ink paapae a, yɛ nsakrae wɔ curing agent ratio no mu na kwati over{0}}dilution.
Nsɛm a Wɔakyerɛw Titiriw .
Aduan/aduruyɛ-grade applications hwehwɛ sɛ wodi biocompatibility adansedi te sɛ FDA ne LFGB ho adanse.
Wɔkamfo kyerɛ sɛ wɔbɛsɔ ink foforo bi a wɔayɛ no foforo ahwɛ de asi adwumayɛ so dua ansa na wɔayɛ no kɛse.
