amakuru

Muri iki gihe, abantu bitondera karuboni nkeya no kurengera ibidukikije, bityo mugihe cyo gushushanya, abantu benshi bazahitamo ibindi bitwikiriye ibidukikije.Uyu munsi turavuga cyane cyane kubidukikije byangiza ibidukikije.Amashanyarazi adafite amazi agabanijwemo cyane muburyo bubiri bwo gutwikira: ibishishwa byamazi (amazi ashingiye kumazi) hamwe nubushakashatsi bushingiye kumashanyarazi.None ni irihe tandukaniro riri hagati yibi bitwikiriye amazi?

Itandukaniro riri hagati y’amazi ashingiye ku mazi hamwe n’ibishishwa bishingiye kuri solvent birashobora kuvugwa muburyo bukurikira:

A. Itandukaniro muri sisitemu yo gutwikira

1. Ibisigarira biratandukanye.Ibisigazwa by'irangi rishingiye ku mazi birashobora gushonga amazi kandi birashobora gukwirakwizwa (gushonga) mumazi;

2. Gukoresha (solvent) biratandukanye.Irangi rishingiye kumazi rishobora kuvangwa na DIWater (amazi ya deionised) muburyo ubwo aribwo bwose, mugihe amarangi ashingiye kumashanyarazi ashobora kuvangwa gusa numuti ukomoka kumyunyu ngugu (kerosene idafite impumuro nziza, amavuta yera yera, nibindi).

B. Ibisabwa bitandukanye byo kubaka

1. Kubidukikije byubaka, ahantu hakonjesha amazi ni 0 ° C, kubwibyo amazi adashobora gukoreshwa munsi ya 5 ° C, mugihe ibishishwa bishingiye kumashanyarazi bishobora gukoreshwa hejuru ya -5 ° C, ariko umuvuduko wo gukama uzatinda hepfo kandi intera iri hagati yinzira izongerwa;

2. Kubijyanye nubwubatsi bwubwubatsi, ingaruka zo kugabanya ubukonje bwamazi ni mabi, kandi irangi rishingiye kumazi rizaba ikibazo mugihe rivanze kandi rikagabanuka mubwiza (kugabanuka kwijimye bizagabanya cyane ibintu bikomeye bigize irangi rikora, bigira ingaruka ku mbaraga zo gutwikira irangi, no kongera umubare winyubako zubaka), Guhindura ibishishwa bishingiye kuri Solvent biroroshye cyane, kandi imipaka yubukonje nayo izagira ingaruka kumahitamo yuburyo bwubaka;

3. Kubyuma no gukira, irangi rishingiye kumazi riroroshye cyane, ubuhehere buri hejuru nubushyuhe buri hasi, ntibishobora gukira neza, kandi igihe cyo kumara ni kirekire, ariko niba ubushyuhe bushyushye, bushingiye kumazi irangi naryo rigomba gushyukwa muri gradient, kandi rizinjira mubushyuhe bwo hejuru ako kanya.Nyuma yo gusiga irangi rishingiye kumazi ryumye Kurenza urugero rwumwuka wamazi wimbere urashobora gutera pinhole cyangwa se nini nini cyane, kubera ko amazi yonyine akoreshwa nkumuvange mumarangi ashingiye kumazi, kandi nta ntera ihindagurika.Kubishobora gushingira kumashanyarazi, diluent igizwe numusemburo kama ufite ingingo zitandukanye, kandi hariho gradients nyinshi zihindagurika.Ibintu nkibi ntibizabaho nyuma yo gucana (igihe cyo kumisha nyuma yubwubatsi burangiye kugeza igihe cyo kumisha mbere yo kwinjira mu ziko).

C. Itandukaniro mugushushanya imitako nyuma yo gukora firime

C-1.Imvugo itandukanye

1. Ipitingi ishingiye kumashanyarazi irashobora kugenzura ubwiza bwa pigment hamwe nuwuzuza ukurikije gusya, kandi ntabwo byoroshye kubyimba mugihe cyo kubika.Mugushyiramo ibisigazwa kugirango ugenzure igipfundikizo cya PVC (igipimo cya pigment-kuri-base), inyongeramusaruro (nka matting agent) kugirango ugere kumpinduka mumurabyo wa firime ya coating, Gloss irashobora kuba matte, matte, sem-matte, na high- indabyo.Urumuri rw'imodoka rushobora kuba hejuru ya 90% cyangwa irenga;

2. Imvugo yuzuye yerekana amarangi ashingiye kumazi ntabwo yagutse nkay'amavuta ashingiye ku mavuta, kandi imvugo ndende-yuzuye ni mibi.Ni ukubera ko amazi yo mu irangi rishingiye ku mazi akoreshwa nk'ururimi.Ibiranga ihindagurika ryamazi bituma bigora amarangi ashingiye kumazi

garagaza hejuru ya 85% gloss..

C-2.Imvugo itandukanye

1. Ipitingi ishingiye kuri solvent ifite intera nini ya pigment nayuzuza, yaba organic organique cyangwa organic, kuburyo amabara atandukanye ashobora guhinduka, kandi imvugo yibara ni nziza;

2. Urutonde rwo guhitamo pigment hamwe nuwuzuza amarangi ashingiye kumazi ni mato, kandi ibyinshi mubinyabuzima ntibishobora gukoreshwa.Bitewe nijwi ryuzuye ryuzuye, biragoye guhindura amabara akungahaye nkibara rishingiye.

D. Kubika no gutwara abantu

Irangi rishingiye kumazi ntabwo ririmo ibishashara byaka umuriro, kandi bifite umutekano mukubika no gutwara.Mugihe habaye umwanda, birashobora gukaraba no kuvangwa n'amazi menshi.Nyamara, amarangi ashingiye kumazi afite ubushyuhe bwo kubika no gutwara.Amata nibindi bibi.

E. Kurenga ku mikorere

Ibishishwa bishingiye kuri solvent ahanini nibicuruzwa kama, nibicuruzwa kama bizagira urukurikirane rwibibazo nko gusohora urunigi hamwe na karubone mugihe cy'ubushyuhe bwinshi.Kugeza ubu, ubushyuhe ntarengwa bw’ibicuruzwa kama ntibirenga 400 ° C.

Impuzu zidasanzwe zo kwihanganira ubushyuhe bwifashishije ibisigazwa bidasanzwe bidasanzwe mu mazi ashingiye ku mazi birashobora kwihanganira ubushyuhe bwa dogere ibihumbi.Kurugero, ZS ikurikirana yubushyuhe bwo hejuru-irwanya amazi ashingiye kumazi ntabwo yitaye gusa kumurwanya wo kwangirika no kurwanya okiside yimyenda isanzwe, ariko nanone irwanya ubushyuhe bwigihe kirekire, kugeza 3000 temperature Ubushyuhe bwo hejuru, aribwo ntibishoboka kubishobora gushingira.

G. Itandukaniro mu mutekano no kurengera ibidukikije

Ibishishwa bishingiye kumashanyarazi bifite ingaruka zumutekano zishobora guterwa numuriro no guturika mugihe cyo gukora, gutwara, kubika, no gukoresha.Cyane cyane ahantu hafunzwe, birashoboka cyane ko bahumeka no guturika.Muri icyo gihe, ibishishwa kama nabyo bizatera kwangiza umubiri wumuntu.Ikibazo kizwi cyane ni ikibazo cya toluene gitera kanseri, kandi toluene ntikiri yemerewe gukoreshwa.VOC yimyenda ishingiye kumashanyarazi ni ndende, kandi ibicuruzwa bisanzwe ndetse bigera no hejuru ya 400. Ibigo bifite igitutu kinini cyo kurengera ibidukikije numutekano mugihe bitanga no gukoresha ibishishwa bishingiye kumashanyarazi.

Amazi ashingiye kumazi yangiza ibidukikije kandi afite umutekano mukubyara umusaruro, gutwara, kubika, no gukoresha (usibye ibishishwa bishingiye kumazi ya pseudo-biva mubakora bimwe bitemewe).

Umwanzuro:

Amazi ashingiye kumazi hamwe nubushakashatsi bushingiye kumashanyarazi bifite inyungu zabyo nibibi.Kubera ko ubushakashatsi ku mazi ashingiye ku mazi butarakura, imikorere y’imyenda ishingiye ku mazi ntishobora guhaza byimazeyo ibikenewe mu musaruro rusange.Gukoresha ibishishwa bishingiye kumyenda iracyakenewe.Imiterere nyayo irasesengurwa kandi igacibwa, kandi ntishobora guhakana kubera ingaruka mbi yubwoko runaka.Byizerwa ko hamwe nubushakashatsi bwimbitse bwerekeranye nubushakashatsi bushingiye kumazi, umunsi umwe, ibidukikije bishya kandi bitekanye bizakoreshwa cyane mubice byose byisi.