Nkhani

Makampani ochapira nthawi zambiri amagawa madontho pa zovala m'magulu awiri, omwe ndi madontho wamba ndi madontho apadera.

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General madontho

Izi zikutanthauza kuti, anthu akavala zovala, zovala zimadetsedwa mwangozi ndi zinthu zomwe zimakhala zovuta kugwa, ndipo zizindikiro zimawonekera pamwamba pa nsalu.Nthawi zambiri, pali mitundu iyi:

1. Madontho amadzimadzi
Madontho a Lipid amaphatikizapo mafuta anyama ndi masamba, sera, mafuta am'galimoto, ndi mafuta amchere, omwe ndi a hydroxide.Nsaluyo ikadetsedwa, sizovuta kuchotsa.Zotsukira wamba sizingachotsedwe, ndipo mankhwala ayenera kugwiritsidwa ntchito kusungunula pang'ono madontho asanachapidwe.

2. Madontho a pigment amafuta
Ndi zinthu zamafuta zomwe zimakhala ndi ma inki, kuphatikiza utoto, inki, mafuta achikuda, mafuta opaka inki, zolembera zolembera, ndi zina. Mitundu ya madontho ndizovuta kwambiri kuchotsa kuposa madontho opanda mafuta.Makamaka ngati sichimathandizidwa pakapita nthawi pambuyo poipitsidwa, zimakhala zovuta kuti mamolekyu a pigment alowe mu fiber ndikuphatikizana ndi fiber kwa nthawi yaitali kuti achotse.

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3. Madontho a pigment acid
Ambiri a iwo ndi zosiyanasiyana zipatso madzi madontho.Chodziwika bwino chawo ndi chakuti onse ali ndi pigmented acid lipids.Utoto ndi wamphamvu kwambiri pa zovala.Mankhwala othandizira mankhwala ayenera kugwiritsidwa ntchito kuti asawononge organic acid mu madzi a zipatso.

4. Mapuloteni
Mulinso zinthu zokhala ndi mapuloteni monga magazi ndi mkaka.Nthawi zambiri sungunuka m'madzi, koma kuopa kutentha kwambiri.Pambuyo powonekera kutentha kwakukulu, puloteniyo idzakhala puloteni yosinthidwa ndipo idzaphatikizidwa mwamphamvu ndi ulusi wa nsalu, zomwe zimapangitsa kuti zikhale zovuta kuchotsa.

5. Madontho a pigment
Mitundu yoyera imaphatikizapo mitundu yosiyanasiyana ya inki ndi zinthu zopanda organic zokhala ndi utoto.N'zovuta kutsuka pigment, makamaka pigment pa zovala zoyera.Iyenera kuchotsedwa ndi mankhwala kapena chithandizo chamankhwala ndi mankhwala oyenera.

6. Mitundu ina ya madontho
Izi zikuphatikizapo asphalt, ayodini, dzimbiri, mafuta odzola, etc. Chifukwa pali mitundu yambiri ya madontho ndipo katundu wawo ndi wosiyana, wothandizira mankhwala ndi njira zothandizira mankhwala omwe amagwiritsidwa ntchito pochiza nawonso ndi osiyana.

Madontho apadera

Madontho enieni amayamba chifukwa cha luso lopanda luso panthawi yotsuka, osati madontho achibadwa pa nsalu yokha.Komanso, ngozi zambiri zomwe zimachitika chifukwa cha kusagwira bwino pakutsuka ndizovuta zamitundu.

1. Zovala zoyera zikayikidwa molakwika pazovala zamitundu pambuyo pozichapa, zitha kuyambitsa ngozi zomwe zimatchedwa mtundu wakuda, kufananitsa mtundu, mtundu wosindikiza kapena mtundu wodutsa.

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2. Zovala zina zowala zimakhala ndi mbali za nsalu zakuda.Ngati mitundu si kumveka pa kuchapa ndi ntchito molakwika ntchito zingachititse inter-kudaya mitundu yosiyanasiyana, amene adzawononga choyambirira mtundu wa nsalu pamwamba ndi kuyambitsa mavuto mtanda mtundu.

3. Kuchapirako sikungayeretsedwe mokwanira ndipo mitundu yonse ya madzi otsalira (sopo wa sopo), madontho otsalira, zipsera za sopo, ndi zina zotere sizikutsukidwa, zimayambitsa madontho monga madontho achikasu pa zovala pambuyo poyanika ndi kusita.

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Nthawi yotumiza: Nov-16-2022