Looj xim thiab nta ntawm nws ntawm kev siv

Painting yog ib tug ntawm cov universal txoj kev los tiv thaiv tej vaj tse thiab lug ntawm atmospheric influences xws li hnub, cua, kub thiab nag lossis daus. Dawb lias txheej kev zoo kawg li load rau hauv lub saum toj no yam. Xav txog tej yam tej yam uas cov huab cua puag, cia li xav seb yog vim li cas rau txoj kev puas tsuaj ntawm lub roob thiab lub tsim ntawm tej qhov tsua. Qhov no yog evidenced los ntawm qhov tseeb hais tias lub hnub yog qhov ua rau ntawm lub co ntxias lis ntawm lub Eiffel Tower ...

Cov kev xaiv ntawm cov xim yog ib tug heev tseem ceeb kauj ruam nyob rau hauv lub painting tej hauj lwm. Vim hais tias muaj ntau yam nyob ntawm seb nws zoo. Nws tseem ceeb heev kom nco ntsoov tias, tsis muaj teeb meem dab tsi xim xaiv, tsis tiv thaiv koj tau txais. Thiab yog hais tias tus tswv yuav hais tias cov rov qab, koj xav zoo dua nrhiav lwm tus tswv. Tab sis tseem, lub zoo dua cov txheej, ntev pleev xim rau yam khoom. Cov xim yog zoo tshaj plaws mus yuav los ntawm ib tug retailer. Txawm tias lub siab nqi, koj raug txim koj tus kheej rau counterfeiting.

Yog li ntawd, koj yuav pleev xim lub tsev. Yuav ua li cas xim los xaiv? Yog hais tias koj lub tsev yog tsis ntoo, qhov zoo tshaj plaws kev xaiv - latex xim. Nws txawv ntawm cov tsoos ntaub ntawv no yog hais tias muaj pes tsawg leeg ntawm no ntaub muaj ob immiscible Cheebtsam: globules (feeb dawb lias hais) thiab emulsifier (kua nyob rau hauv uas yaj globules). Uas yog, nyob rau hauv nws cov tub ntxhais latex xim - nws yog ib qho emulsion, ib tug particle uas, tom qab nws, yog tsiv nyob rau hauv ncua kev kawm ntawv. Yog li ntawd, cov xim muaj hlau ua ntej yuav siv nws yog tsim nyog los co thiab do puav thaum lub sij hawm lub lag luam. Lub hauv paus ntsiab lus ntawm cov lag luam no yog hais tias thaum ua ntawv thov mus rau qhov chaw ntawm lub emulsifying neeg sawv cev reacts nrog cua; raws li ib tug tshwm sim ntawm lub tso dej ua rau ntawm qhov chaw thiab suab; yog tsim rau ntawm qhov chaw ntawm ib tug pob tshab zaj duab xis ntawm ib tug emulsifier, nyob rau lub kob hais yog uniformly faib. Nyob ntawm seb cov xim hais tau tau pleev xim rau saum npoo coj xim.

Looj xim yuav ua tau ntawm ob hom:

1) polyvinyl acetate - lub feem ntau nyob rau hauv coob. Nyob rau hauv tas li ntawd mus waterproofing zog, xws li ib tug latex xim muaj ib tug txaus zoo adhesion rau vaj tse thiab MAAs chaw. Koj muaj peev xwm them nws thiab tsob ntoo, tab sis tsis txaus (yog vim li cas - saib hauv qab no).

2) acrylate dej dispersion - qhov no xim muaj siab huab cua kuj. Raws li ib tug txoj cai, nws yog siv rau coloring ntawm facades ntawm vaj tse, raws li zoo raws li qhov chaw uas muaj av noo. Nws siv ua rau nws tau mus nqa tawm heev zoo finishing ntawm vaj tse. Tsis haum rau cov ntoo chaw.

Looj, latex xim muaj tib lub hom phiaj. Nws yog ua tau rau npog qhov chaw ntawm vaj tse thiab xis mas. Tab sis hlau thiab ntoo nws yog qhov zoo tshaj plaws tsis tau them. Thaum nrag daj me ntsis tej zaum yuav tshwm sim ntoo lug - precisely vim hais tias ntawm lub zoo heev adhesion rau ntoo. Nyob rau hlau li latex xim, tus nqi yog tsawg txaus, yuav heev phem heev, nyob rau hauv lub sij hawm luv luv peeled thiab da dej.