Sɛnea ɛbɛyɛ a wobedi nneɛma a wɔde kyekyere nneɛma ho gua no ahiade ho dwuma no, nnwumakuw anaa nhwehwɛmufo bɛyɛ nneɛma a ɛwɔ kɔla ahorow, ahoɔden ne nea ɛyɛ mmerɛw ne nneɛma afoforo.
Akyinnye biara nni ho sɛ nneɛma ahorow no ye ma wɔn a wɔtɔ nneɛma a wɔde yɛ ahosiesie. Nanso ɛtɔ mmere bi a nnipa mpapahwekwa pii adwene tu fra kɛse, wɔn adwene tu fra wɔ wɔn ntam wɔ awiei no mu nea ɛyɛ nsonsonoe no, awiei koraa no, ɛnyɛ ade koro.
Nnipa pii wɔ nsɛmmisa bi fa acrylic a wɔtaa de di dwuma no ho. Ɛte sɛ ahwehwɛ a ɛwɔ akyirikyiri, nanso ɛte sɛ plastic bere a worehwɛ no yiye no. Wɔfrɛ no acrylic, ɛyɛ ahwehwɛ anaa plastic?
Nea ɛyɛ acrylic .
Acrylic yɛ din a wɔtaa de frɛ saa ade yi, a wɔsan frɛ no Organic Glass, Engiresi din ne polymathy methacrylate. Abbreviation no yɛ PMMA, ne din nyinaa na wɔfrɛ no polymathy methacrylate, ne raw materials no yɛ acrylic chemicals dea.
Mpɛn pii no, yebetumi ate acrylic cotton, acrylic asaawa, acrylic nylon ne nea ɛkeka ho din, de aka acrylic nkratafa a wɔde di dwuma no ho. Wɔde acrylic nkratafa a wɔde acrylic nketenkete ne resin ne nneɛma afoforo ayɛ na ɛyɛ, bere a acrylic ntama afoforo yɛ acrylic nhama no, ɛnyɛ kuw koro no ara de.
Mpɛn pii no yɛte nka sɛ acrylic yɛ ade foforo, nanso wɔayɛ no bɛboro mfe ɔha ni. Wɔ 1872 mu tɔnn no, wohuu saa nnuru a wɔde yɛ aduru yi. Ɛde besi 1920 no, wɔyɛɛ acrylic krataa a edi kan no wɔ aduruyɛdan mu nkutoo. Factory no wiee acrylic krataa a wɔyɛe wɔ 1927. Wɔde acrylic a edi kan a wɔyɛe no dii dwuma wɔ wimhyɛn mu nkutoo. Wɔ afeha a ɛto so 20 awiei no, bere a nneɛma a wɔyɛ no nyaa nkɔso na ɛkɔɔ so yɛɛ kɛse no, wofii ase de acrylic dii dwuma kɛse wɔ nnwuma pii mu. Acrylic nkuku a wɔde yɛ ahosiesie a wɔayɛ no yiye a ɛda adi no hyerɛn te sɛ daimond.
Mprempren, acrylic abɛyɛ ade titiriw ama nnwuma pii, te sɛ cosmetic packaging bottles & jars, instrumentation parts, kar akanea, optical lenses, transparent pipes ne nsaanodwuma, ne nea ɛkeka ho.
Acrylic su ahorow .
Acrylic wɔ nnoɔma a ɛda adi kɛseɛ, anisoadehunu a ɛda adi pefee, ɛtumi du hann a ɛboro 92%, hann a ɛwɔ ahwehwɛ a ɛyɛ mmerɛw mu no bɛyɛ 85% pɛ. Ebetumi adu optical glass a ɛda adi pefee no ho, bere a wɔde kɔla ayɛ no akyi mpo a ɛma aesthetic effect a acrylic wɔ no yɛ kɛse. Acrylic a wɔde kɔ no boa ma cosmeitc acrylic nkotoku & nkuku pii a ɛhyerɛn.
Esiane nneɛma titiriw a ɛwɔ mu nti, acrylic ahoɔden no boro ahwehwɛ a ɛyɛ mmerɛw no mmɔho dumien. Wobetumi de kasasin a emu yɛ den akyerɛkyerɛ acrylic mu bere a wɔde toto ahwehwɛ a ɛyɛ mmerɛw ho no. Nneɛma a wɔde acrylic nneɛma ayɛ no bɛyɛ nea ɛyɛ den yiye. Nneɛma a ɛyɛ mmerɛw no yɛ mmerɛw esiane sɛ wɔabɔ no nti. Esiane sɛ ɛwɔ ahoɔden kɛse nti, acrylic nso yɛ nneɛma a ɛyɛ mmerɛw sɛ ɛbɛhyɛ no a ɛyɛ mmerɛw sen biara no mu biako.
Acrylic fi ase yɛ mmerɛw wɔ 113 °C, na ɛyɛ nwene wɔ 160 °C. Saa ɔhyew yi ma ɛyɛ plasticity kɛse, wobetumi ayɛ no sɛnea ɛte biara ntɛmntɛm.
Acrylic tumi gyina nsakrae a ɛba ɔhyew, ɔhyew, acid ne alkline mu ano yiye, na ɛma ɛfata yiye ma abɔnten so nneɛma a wɔde di dwuma.
Ɛwom sɛ acrylic wɔ mfaso pii de, nanso ɛda so ara wɔ ɔhaw ahorow bi. Nea edi kan ne bo, acrylic bo yɛ den sen ahwehwɛ, ɛyɛ den sɛ wobɛsesa ahwehwɛ no koraa. Nea ɛto so abien no, esiane sɛ ɛhyew no kɛse nti, acrylic bere a ɛda adi tẽẽ wɔ ogyaframa mu no bɛbɔ na awiei koraa no ayɛ hyew. Acrylic a ɛhyew no bɛma wusiw a awuduru wom afi hɔ, enti sɛ ɛlɛtrɔnik nnwinnade twa a, ɛbɛyɛ nea ɛyɛ hyew na ɛnyɛ den sɛ ɛbɛsɛe na abɔ.
Ɛte sɛ ahwehwɛ nanso ɛte sɛ plastic kɛse .
Acrylic yɛ polymer a ɛyɛ polymer a ɛyɛ thermoplastic dea. Yiw, wokenkan saa no yiye, ɛyɛ plastic.
Wɔde monomeric methyl methacrylate polymerization na ɛyɛ acrylic, enti nsonsonoe bɛn na ɛwɔ acrylic ne plastic afoforo ntam?
Esiane su ahorow pii a ɛte saa ara a ɛwɔ acrylic ne ahwehwɛ mu nti, mfaso horow bi wɔ ahwehwɛ so, na mfaso horow bi betumi asiesie ahwehwɛ sintɔ ahorow no pɛpɛɛpɛ.
Nneɛma a ɛda adi pefee yɛ nneɛma a wɔtaa de di dwuma wɔ nnwuma pii mu no mu biako, na wɔn a wɔyɛ nneɛma ne wɔn a wɔyɛ nneɛma no taa paw saa polymers a ɛda adi yi sɛ ɔkwan foforo bere a atetesɛm mu ahwehwɛ yɛ duru dodo anaasɛ ɛpaapae ntɛmntɛm dodo no.
Ɛba sɛ acrylic wɔ saa su ahorow yi a ɛyɛ ahwehwɛ anaa nneɛma a ɛyɛ mmerɛw, nanso ɛnyɛ ahwehwɛ, enti wɔfrɛ no plexiglass.
Acrylic a wɔyɛ ho nhyehyɛe .
Sɛnea wɔyɛ acrylic no te sɛ plastic afoforo de no, gye sɛ ɔhyew pɔtee ne nea ɛma nneɛma yɛ hyew no betumi ayɛ soronko.
Cast Molding .
Sɛ wɔtow acrylic a ayɛ nwene a, wɔde hwie gu nkuku no mu na wogyaw no nnɔnhwerew pii kosi sɛ ɛbɛyɛ fã-afã bi na wobetumi ayi afi nsunsu no mu.
Bere a krataa no afi nkuku no mu akyi no, wɔde kɔ autoclave, afiri titiriw bi a ɛyɛ adwuma te sɛ nea wɔde pressure cooker ne fononoo yɛ no mu. Autoclave no de ɔhyew ne nhyɛso di dwuma de mia mframa a ɛrehuru fi plastic no mu, na ɛma emu da hɔ kɛse na ahoɔden kɛse wom, saa adeyɛ yi taa gye nnɔnhwerew pii.
Bere a wɔayi acrylic a wɔayɛ no sɛnea ɛte no afi autoclave no mu akyi no, ɛsɛ sɛ wɔde anhwea krataa ketewaa bi yɛ n’afã ne n’afã horow no mpɛn pii, na afei wɔde ntama a ɛyɛ mmerɛw ntwahonan bi na ama acrylic no ani ayɛ mmerɛw na emu atew.
Extrusion nsusuwso .
Wɔde acrylic pellet raw material no ka extrusion machine no ho, na ɛma raw material no yɛ hyew kosi sɛ ebedu bɛyɛ 150°C na ɛma ɛyɛ nwene.
Afei wɔma no roller press abien ntam, na wɔde nhyɛso petepete plastic no so ma ɛyɛ krataa a ɛyɛ pɛ, na afei wɔma ntama no yɛ nwini na ɛyɛ den.
Wɔatwitwa krataa no kɛse sɛnea wɔpɛ na wɔasiesie sɛ wɔde bedi dwuma bere a wɔayam no na wɔayɛ no fɛfɛɛfɛ awie no. Extrusion molding tumi mia ntama a ɛyɛ tratraa nkutoo na ɛnyɛ nsusuwii afoforo anaasɛ ntama a ɛyɛ den.
Injection Molding .
Te sɛ plastic nneɛma afoforo a efi nsunsu mu injection akwan horow mu no, acrylic injection molding nso de acrylic pellets gu plunger anaa screws injection molding afiri mu, ɔhyew a ɛkɔ soro ma nneɛma a wɔde yɛ no yɛ nea wɔde ayɛ aduru.
Afei wɔde nneɛma gu abrasive cavity no mu na wɔyɛ no sɛnea ɛbɛyɛ a ɛyɛ pintinn bere a mframa a ɛyɛ hyew no ayow awie no, na afei ayɛ krado sɛ wɔde bedi dwuma bere a wɔayam na wɔayɛ no fɛfɛɛfɛ awie no.
Ɛnnɛ, acrylic a wɔde di dwuma no renya nkɔanim afe biara. Ɛwom sɛ acrylic yɛ plastic a akyɛ sen biara a wɔde di dwuma nnɛ no mu biako de, nanso sɛnea ɛma wotumi hu nneɛma a ɛwɔ abɔnten ne nea ɛko tia abɔnten so nneɛma a atwa yɛn ho ahyia no ma ɛda so ara yɛ nea edi kan a wɔpaw ma mfiridwuma mu nneɛma pii te sɛ nneɛma a wɔde yɛ ahosiesie.
