Ta yaya ake samar da Tufafin RPET?

An sake yin amfani da RPET polyethylene terephthalate, wanda abu ne mai dacewa da muhalli.

Ana yin aikin samar da RPET daga filayen polyester da aka jefar, kamar kwalabe na filastik da aka zubar. Da farko, tsaftace sharar da kyau kuma cire datti. Sannan a daka shi a dumama shi ya zama kananan barbashi. Bayan haka, ana narkar da ɓangarorin kuma a sake haɓakawa, ana ƙara foda mai launi, kuma a shimfiɗa su kuma a tace su ta na'urar zazzage fiber don samar da zaruruwan RPET.

Ana iya raba samar da T-shirts na rPET zuwa manyan hanyoyi guda hudu: sake amfani da albarkatun kasa → farfadowar fiber → saƙar masana'anta → shirye-shiryen sarrafa kayan aiki.

1. Raw kayan dawo da pretreatment

• Tarin kwalaben filastik: Tattara kwalaben PET sharar gida ta wuraren sake amfani da al'umma, manyan kantunan juzu'i ko masana'antun sake yin amfani da su (kimanin tan miliyan 14 na kwalaben PET ana samarwa a duk duniya, kuma kashi 14% kawai ake sake yin su).

• Tsaftacewa da murkushewa: Ana jera kwalabe na filastik da aka sake yin amfani da su da hannu / injiniyoyi (cire ƙazanta, kayan da ba na PET ba), cire takalmi da iyakoki (mafi yawa kayan PE / PP), wanke da cire ragowar ruwaye da tabo, sannan a murkushe su cikin guntu 2-5cm.

2. Fiber regeneration (RPET yarn samar)

• Narke extrusion: Bayan bushewa, da PET gutsuttsura suna mai tsanani zuwa 250-280 ℃ don narke, forming wani danko polymer narkewa.

• Yin gyare-gyare: Ana fitar da narke a cikin rafi mai kyau ta cikin farantin feshin, kuma bayan sanyaya da kuma warkewa, yana samar da gajeriyar fiber polyester da aka sake yin fa'ida (ko kai tsaye a jujjuya shi cikin filament mai ci gaba).

Kadi: gajerun zaruruwa ana yin su su zama zaren RPET ta hanyar tsefewa, ɗigo, zaren mara kyau, yarn mai kyau da sauran matakai (mai kama da ainihin tsarin yarn na PET, amma ana sake yin amfani da albarkatun ƙasa).

3. Saƙa da sarrafa Tufafi

• Saƙa Fabric: RPET yarn an yi shi da masana'anta saƙa ta hanyar injin madauwari/saƙa mai jujjuyawa (daidai da tsarin masana'anta na polyester na yau da kullun), wanda za'a iya sanya shi cikin kyallen takarda daban-daban kamar fili, pique, ribbed, da sauransu.

• Bayan sarrafawa da dinki: kwatankwacin T-shirts na yau da kullun, gami da rini, yanke, bugu, dinki (haƙarƙari/baki), guga da sauran matakai, kuma daga ƙarshe yin RPET T-shirts.

T-shirt RPET samfurin saukowa ne na yau da kullun na "tattalin arzikin sake amfani da filastik". Ta hanyar canza robobin sharar gida zuwa tufafi, yana la'akari da bukatun kare muhalli da ƙimar aiki.