Wallis -PLA Krataa a Wɔde Di Dwuma
| Kɔla: | |
|---|---|
| Kɛse: | |
| Ade: | |
| Dwumadi: | |
| mfaso: | |
| Ɛwɔ hɔ: | |
| Dodow: | |
Wɔ ano aduru a ɛtra hɔ daa a wɔhwehwɛ mu no, PLA nkrataa a ɛtumi sɛe nneɛma a nkwa wom da adi sɛ anidaso kanea, na ɛsakra nneɛma a wɔde kaad a ɛnyɛ nea ɛsɛe nneɛma a atwa yɛn ho ahyia no tebea. Wɔ nneɛma foforo a wɔyɛ mu no, ɛnyɛ sɛ saa nkrataa yi kura gyinapɛn a ɛfa nneɛma pa ho nko, na mmom ɛbɔ nneɛma a atwa yɛn ho ahyia a wɔbɛkora so nso ho ban.
PLA, anaa Polylactic Acid, yɛ aduru a ɛma ɔhyew a ɛtumi sɛe a wonya fi nneɛma a wɔyɛ no foforo te sɛ atoko starch anaa asikre mu. Ɛyɛ ade a wotumi de di dwuma wɔ nnwuma ahorow mu esiane sɛ ɛnyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia nsɛe nneɛma nti.
Bere a nneɛma a atwa yɛn ho ahyia a wɔsɛe no ne efĩ ho dadwen renya nkɔanim no, wɔde wɔn adwene asi nneɛma a ɛtra hɔ daa a ɛmma ɔhaw pii mma okyinnsoromma yi so bedi dwuma kɛse. PLA nkrataa a ɛtumi sɛe bio no ma wonya ɔkwan a ɛfata a wɔfa so yɛ plastic a wɔde di dwuma wɔ amanne kwan so, na ɛboa ma daakye a ɛyɛ frɔmfrɔm ba.

Wɔde nneɛma a nkwa wom na ɛyɛ PLA nkrataa no da abɔde a nkwa wom ho adamfofa adi wɔ biribiara mu. Wɔn a wɔyɛ no hwehwɛ sɛ wɔtow mframa bɔne pii, na ɛnam so ma mframa bɔne a ɛwɔ hɔ no so tew kɛse.
Mma wɔn biodegradability no nnnaadaa wo; PLA nkrataa hoahoa ne ho sɛ ɛyɛ nwonwa sɛ ɛtra hɔ kyɛ, na ɛhwɛ ma ɛtra hɔ kyɛ a ɛnsɛe sɛnea ɛbɛkɔ so atra hɔ daa. Efi adwuma ho nkrataa so kosi nneɛma a wɔde kyekyere nneɛma so no, sɛnea wotumi de di dwuma wɔ akwan horow so no nnim anohyeto biara.
Wɔ dwumadi akyi no, PLA nkrataa no de wɔn afɛfɛde a ɛtwetwe adwene no kyere nkurɔfo. Wɔde nneɛma ahorow a wɔayɛ ne nea wɔde wie no ma nneɛma biara a wɔde hwɛ ade no yɛ fɛ, na ɛma wɔn a wogye no nya adwene a ɛtra hɔ daa.
| Atadeɛ | PLA |
| Nneɛma a nkwa wom a ɛsɛe | Aane |
| Nneɛma a ɛyɛ den | 0.08mm, 0.15mm, 0.17mm, 0.2mm, 0.35mm anaasɛ wɔayɛ no sɛnea wɔpɛ |
| Kɛseɛ | 300 * 480mm anaasɛ customzied |
| Ahoɔden a wɔde twetwe nneɛma | MD:≥25.0Mpa na ɛwɔ hɔ |
| Surface Roughness a Ɛyɛ Fɛ | 0.8μm ~ 3.0μm na ɛwɔ hɔ |
| Abisadeɛ | Kaad no |
PLA nkrataa a ɛtumi sɛe bio a wɔde bɛka kaad a wɔyɛ ho no kyerɛ sɛ wɔde wɔn ho ahyɛ mu sɛ wɔbɛma nneɛma akɔ so atra hɔ daa. Ɛdenam nneɛma a ɛmma nneɛma a atwa yɛn ho ahyia a wɔpaw so no, nnwumakuw boa ma wiase nyinaa mmɔdenbɔ a wɔde ko tia nneɛma a atwa yɛn ho ahyia a wɔsɛe no no.
Mpɛn pii no, nneɛma a wɔde yɛ kaad a wɔde di dwuma wɔ amanne kwan so no boa ma efĩ ba na ɛboaboa nwura ano. Nanso, ɛdenam PLA nkrataa a wogye tom so no, nnwumakuw gye ɔkwan a ɛyɛ ahabammono tom, na wɔtew nkɛntɛnso bɔne a ɛba nneɛma a atwa yɛn ho ahyia so no so.
Esiane sɛ wim nsakrae ho asiane a ɛreba nti, gyinaesi biara ho hia. Ɛdenam PLA nkrataa a wɔde di dwuma so no, nnwumakuw fa gyinabea a ɛyɛ nnam wɔ nneɛma a atwa yɛn ho ahyia a wɔbɛkora so ama awo ntoatoaso a ɛbɛba daakye no mu.
Wɔ bere a nnwumakuw asetra mu asɛyɛde di tumi kɛse mu no, PLA nkrataa yɛ nidi agyiraehyɛde ma nnwumakuw a wɔde wɔn ho ama sɛ wɔbɛma nneɛma akɔ so atra hɔ daa. Ɛdenam nneyɛe a ɛfa nneɛma a atwa yɛn ho ahyia ho a wɔde hyia so no, nnwumakuw hyɛ wɔn ahyɛnsode ho mfonini mu den na ɛtwetwe adetɔfo a wɔhwɛ nneɛma a atwa yɛn ho ahyia so.
Bere a nniso ahorow a ɛwɔ wiase nyinaa reyɛ mmara ahorow a ɛfa nneɛma a atwa yɛn ho ahyia ho banbɔ ho mu den no, PLA nkrataa de ano aduru a ɛne mmara hyia ma nnwuma a wɔhwehwɛ sɛ wobedi gyinapɛn ahorow a emu yɛ den so. Ɛdenam nneɛma a ɛtra hɔ daa a wogye tom so no, nnwumakuw brɛ asiane a ɛwɔ hɔ sɛ wɔrenni mmara so no ase na wɔhwɛ hu sɛ wobetumi ayɛ adwuma bere tenten.
Efi awodadi apɛde so kosi nnapɔnna nkyia so no, PLA nkrataa yɛ pɛpɛɛpɛ ma crafting eco-friendly nkyia nkrataa. Wɔn ani a ɛyɛ torotoro ne sɛnea wotumi tintim no ma ɛyɛ nea eye ma mfonini ahorow a ɛyɛ nwonwa ne nkrasɛm a efi komam a wɔde kyerɛ.
Wɔ nnwumakuw wiase no mu no, adwene a wodi kan nya no ho hia. PLA nkrataa a ɛtumi sɛe nneɛma a nkwa wom no ma wonya ɔkwan foforo a ɛbɛkɔ so atra hɔ daa sen atetesɛm plastic adwumayɛ nkrataa, na ɛma wɔn a wɔkra nneɛma ne wɔn ahokafo a wɔn ani gye nneɛma a atwa yɛn ho ahyia ho no nya adwene pa.
Sɛ ɛba akyɛde a wɔde ma so a, nea wɔde bɛma no ne ade titiriw. PLA nkrataa de wɔn adansedi nkrataa a ɛnyɛ nea ɛhaw nneɛma a atwa yɛn ho ahyia no ma akyɛde nkrataa no yɛ anigye kɛse, na ɛde mfaso ka akyɛde ho osuahu no nyinaa ho bere a ɛtew nneɛma a atwa yɛn ho ahyia so nkɛntɛnso so.
Nea ɛnte sɛ PVC anaa PET-based cards a ɛde nneɛma a atwa yɛn ho ahyia ho asiane kɛse ba no, PLA nkrataa no yɛ nea wotumi de yɛ compost na ɛtumi sɛe. Wɔde ɔkwan foforo a ɛyɛ ahabammono ma a wɔmfa wɔn ho nhyɛ ne su anaa adwumayɛ mu.
Bere a ebia PLA nkrataa no benya ɛka a wɔbɔ ansa na wɔayɛ no kɛse kakra bere a wɔde toto nneɛma a wɔde di dwuma wɔ amanne kwan so ho no, mfaso a ɛwɔ so bere tenten wɔ nneɛma a atwa yɛn ho ahyia ho no boro sika a wɔde hyɛɛ mu mfiase no so. Nnwumakuw betumi ama wɔn ahyɛnsode ho mfonini ayɛ kɛse na ama adetɔfo a wɔn ani gye nneɛma a atwa yɛn ho ahyia ho, na ama adetɔfo adi nokware na wɔanya adwempa kɛse.
Nhwehwɛmu ne nkɔsoɔ mmɔdenbɔ a ɛkɔ so no twe adwene si PLA nkrataa no su ne ne dwumadie a wɔbɛma ayɛ yie so. Nneɛma foforo a wɔayɛ wɔ nneɛma ho nyansahu ne akwan a wɔfa so yɛ nneɛma mu no hyɛ bɔ sɛ ɛbɛma nneɛma a egyina PLA so no atra hɔ daa na wɔatumi de adi dwuma no atu mpɔn kɛse.
Nkɔso a aba wɔ bioplastic mfiridwuma mu no kura bɔhyɛ sɛ wɔbɛyɛ nneɛma foforo a ɛwɔ nneɛma a ɛkɔ anim na wɔatew nneɛma a atwa yɛn ho ahyia so. PLA nkrataa yɛ nsakrae kɛse a ɛkɔ akwan foforo a ɛbɛkɔ so atra hɔ daa a wɔde besi tete plastic ananmu no mfiase ara kwa.
Sɛ yɛde rewie a, PLA nkrataa a ɛtumi sɛe biodegradable gyina hɔ ma nsakraeɛ a ɛba wɔ nhwɛsoɔ mu wɔ kaad nneɛma ahemman mu. Wɔn nneɛma a wɔahyehyɛ a ɛnyɛ nea ɛsɛe nneɛma a atwa yɛn ho ahyia, sɛnea wɔyɛ nneɛma pii, ne sɛnea ɛyɛ fɛ no ma wɔyɛ nneyɛe a ɛtra hɔ daa wɔ kaad a wɔyɛ mu no tweatibo. Ɛdenam nkrataa foforo yi a wogye tom so no, ɛnyɛ sɛ nnwumakuw boa ma wɔkora nneɛma a atwa yɛn ho ahyia so nko, na mmom wɔma wɔn ahyɛnsode ho mfonini kɔ soro wɔ adetɔfo a wɔwɔ ahonim pa anim nso.
Yiw, wonya PLA nkrataa fi nneɛma a wɔyɛ no foforo mu na ɛpaapae fi awosu mu yɛ nneɛma a ɛka ho a asiane biara nni ho wɔ tebea horow a ɛfata mu.
Bere a PLA yɛ nea wotumi de di dwuma bio wɔ mfiridwuma mu no, ɛhwehwɛ sɛ wɔyɛ mfiridwuma mu nneɛma pɔtee bi a wɔde yɛ compost na ama aporɔw yiye.
Yiw, PLA nkrataa ma wotumi tintim yiye na wobetumi ayɛ no sɛnea wɔpɛ ama kaad ahorow ahorow, efi embossing a ɛyɛ nwonwa so kosi tintim a ɛyɛ hyew so.
Bere a ebia kaad a egyina PLA so no benya ɛka a wɔbɔ ansa na wɔayɛ no kɛse kakra no, mfaso a ɛwɔ so bere tenten wɔ nneɛma a atwa yɛn ho ahyia ho no boro sika a wɔde hyɛɛ mu mfiase no so.
Hwehwɛ adansedie nkrataa te sɛ ASTM D6400 anaa EN 13432, a ɛkyerɛ sɛ PLA nneɛma tumi sɛe bio na ɛyɛ compost.
Fi Yɛn Dwumadi no ase
Nneɛma a wɔyɛ