Kusanja kwa Melamine

Mapepala a Melamine omwe sanalembetse, gwiritsani ntchito pepala lalikulu losindikizidwa, kuphatikizidwa ndi melamine remin, kenako adakumana ndi mitundu yonse yamatabwa. Imakonda kwambiri zokongoletsera kwambiri pamwamba pa mapanelo, ndikupangitsa kuti pansi azikhala otentha kwambiri, kuvala - kuwonongeka kolimba komanso kotsutsa.

Pakadali pano kuphatikizidwa nthawi zambiri kumatengera kutalika konsekonse. Pepala lokongoletsa limakhala lopanda tanthauzo la Melamine kuti muchepetse mawonekedwe a melamine kuti mulembetse kachiwiri. Kulembetsa kumakhala ndi zofunikira kwambiri papepala losindikizidwa ndi Melamine. Tsitsi pambuyo posinthana liyenera kupeza kusinthasintha, komwe kumalepheretsa kung'ambika. Mwakupanga, Melamine unin amafunikanso kuwonjezera zowonjezera zosiyanasiyana.

Pofuna kutsimikizira mtundu wa mapepala ophatikizidwa, pepala lalikulu lokongoletsa liyenera kugwiritsidwa ntchito. Pepala lokongoletsa lilibe vy zamkati, limachita bwino limatha bwino, ndikulimbana ndi kutentha kwambiri kwa 180 c, ndi opachira wabwino. Mwazomwe mungasungire pepala lokongoletsa liyenera kukhala 70 - 90g / ㎡, ndikulekerera ± 20 ㎡, chinyontho cha ㎡, chinyontho cha chinyezi 2.5 - 4.2%, PH Mtengo wa PH 6.5 - 7.5. Ngati mtengo wa pH ndi wotsika kwambiri, umatha makwinya pakulephera. Pofuna kupewa kuswa nthawi yolekanitsa, kutalika kwa nthawi yonyowa kuli kochepera 450m, ndi njira 300M. Kuti mupeze kuthamanga kwabwino, pepala lokongoletsa liyenera kuyamwa kwambiri ndi kulowa mwachangu mwachangu. Madzi otetezedwa ndi madzi ofunikira: Okhazikika 25 - 35mm / mphindi, yopingasa 22 - 30mm / min. Kusala kwa pepala kuyenera kukhala koyenera, kumatha kutsika kungakhudzenso njira yolumikizirana pamtunda ndi kukwera kwambiri kumachepetsa luso la utomoni.

Kusintha kwamitundu ndi mf ndi uf, komanso zowonjezera zosiyanasiyana. Kuchiritsa zowonjezera kumasemphana ndi ntchito yothandizira kuthamanga nthawi yothira. Kunyowa zowonjezera ndikuchepetsa kuchepa kwa utoto wa utoto, ndikuwonjezera luso lokongoletsa papepala lokongoletsera kuti mutsimikizire kutanthauza kuphatikiza. Kumasulira zowonjezera kumagwiritsidwa ntchito popewa pepala lolembetsedwa ndi mbale yachitsulo. Zosungunulira ndi madzi kapena ethanol, kuchepetsedwa kuti asinthe mawonekedwe a mawonekedwe abwino papepala. Kugwiritsa ntchito ukadaulo wapadera kuti mupange melamine formaldehyde ndi urea formaldehyde, kenako kuwonjezera, ndikuwonjezera zowonjezera, zowonjezera zowonjezera, jekeseni zowonjezera. Pambuyo posachedwa kawiri, pepala lokongoletsa liyenera kuwuma, ozizira ndikudula mbali zina. Kukula kumafuna kukhala pafupifupi 10 - 30mm yayikulu kuposa ma panels m'lifupi komanso kutalika. Ndivomerezedwe, mapepala omaliza a Melamine omwe sanatumizidwe amadzaza ndi filimu ya polyethylene. Pafupifupi ma sheet 200 pa bale, mabatani 10 pallet iliyonse. Pofuna kuonetsetsa kuti njira yabwino, pepala la Melamine losagwiritsidwa ntchito liyenera kusungidwa bwino. Mbale chinyezi mumoto wosungiramo katundu ndi 60 ± 5%, kotero kuti pepalalo silidzatha kapena kumasula chinyezi. Kutentha kuyenera kukhala 20 - 25 ℃. Kutentha kwakukulu ndi chinyezi chachikulu kumapangitsa mapepala oletsedwa kukhala ofewa komanso omata. Koma pepala lopanda tanthauzo ndizosavuta kuswa ngati kutentha kumakhala kotsika kwambiri. Moyo wa alumali wa pepala wolembetsedwa ndi pafupifupi miyezi itatu ngati asungidwa bwino. Pofuna kupewa zomata chifukwa cha maliseche ngati mayamwidwe, chonde onaninso ndikutchingira bwino itatsegulidwa.

Zolemba (zolimba zimapangitsa kulemera kwa resin) ndi 130 - 150%. Zolemba zotsika zimabweretsa mphamvu yotsika kwambiri papepala, ndipo ndizosavuta kukhala dimex. Zofunikira za melamine ndizothandiza pakulankhula ndi mtundu. Pamene zitsanzozo zimakhala zazitali kwambiri, ndizosavuta kusweka. Zomwe zili mosasunthika nkhani (pa 160 ℃ zoyanika kwa mphindi 10) zinali 6 - 7%.