10 Fason pou Amelyore Gloss Bwat Chokola yo

10 Fason pou Amelyore Gloss Bwat Chokola yo

Anba menm kondisyon yo nan papye ak lank, akòz pwoblèm nan pwosesis operasyon an, gloss nan pwodwi a fini apre enprime se souvan byen diferan. San yo pa konsidere tretman apre-vèni pou laprès, metòd sa yo ka itilize pou amelyore briyan bwat chokola yo:

1. Improve the acid wetting fluid. The acid wetting fluid that has been used for decades in my country is mainly chromic acid and phosphoric acid. Although it has been diluted, the pH value is still between 3.5 and 5.6. The stronger the acidity, the greater the decomposing and corrosive power of the ink binder and the pigment, resulting in a rough surface of the imprinted film and a reduced gloss. There have been breakthroughs in the research and development of wetting fluids in recent years, such as Shanghai's "Lide Wetting Powder", which can be said to be effective. Now my country's offset printing wetting fluids have entered a new stage, but some printing The factory is still using the old recipe.

2. Reduce ink emulsification. The excessive emulsification of ink in offset printing is mostly caused by the large amount of water and ink in the operation. The imprint looks like a thick ink layer, but the ink molecules become oil-in-water state, and the gloss is extremely poor after drying, and a series of other Fault. Water and ink are the most taboo practices in offset printing. To change this situation, in addition to regular quality and technical education for operators, it is recommended to use "Lide Wetting Powder", because this agent has better wetting performance. Even if the moisture content of the layout is small, it is not easy to get dirty. It is not only conducive to operation, but also makes the Chocolate Boxes shiny.

3. Apwopriye ajoute ajan oksilyè nan lank la. Ajoute ajan oksilyè apwopriye nan lank la ka ajiste printability nan lank la pou enprime lis. Pifò adjuvant yo pral afekte enteprete pwodwi fini an. Pou egzanp: anti-ajan kole, matyè premyè prensipal la se sis-farin grenn. Apre yo fin ajoute lank, sifas kouch fim enprime a vin ki graj akòz presipitasyon nan farin mayi, ak gloss nan bwat chokola yo pòv. Yon lòt egzanp se adisyon nan No 6 vèni mens, ki pa sèlman ogmante likidite a, men tou, ogmante pèmeyabilite nan anprint a sou papye a, epi tou li diminye sechrès la, ki pa bon pou enteprete anprint la. Se poutèt sa, kantite ajan oksilyè jeneral ajoute nan lank la pa ta dwe depase 5 pousan. Si yo konsidere efè gloss, li ta dwe itilize mwens oswa ou pa. Sepandan, surfactants fluorocarbon yo diferan. Li ka anpeche domaj sifas tankou kale zoranj ak pli nan kouch lank la, epi li ka amelyore enteprete sifas enprime a.

4. Sèvi ak lwil sèk kòrèkteman. Pou gwo -klas klere ak rapid-lank siye, anba tanperati nòmal ak imidite, li gen ase kapasite siye. Seche lwil oliv yo ta dwe ajoute nan sitiyasyon sa yo: Premyèman, lè tanperati a ak imidite ba nan sezon fredi; Dezyèmman, lè lank la bezwen ajoute ak anti-ajan kole, de-ajan kole, vèni lank mens, elatriye, li ta dwe ajoute. Lwil oliv sèk. Itilize kòrèkteman lwil siye nan operasyon pwosesis yo trè benefik pou fòmasyon gloss nan bwat chokola yo. Sa a se paske li pran yon sèten kantite tan pou papye a absòbe lyan an. Nan pwosesis sa a, lyan an kondanse pi vit ke posib jiskaske konjonktiva a sèk, ki se kle nan bon gloss nan Bwat Chokola yo.

5. Peye atansyon sou pousye. Menm jan ak lank, flite poud pral tou agglomere, espesyalman nan sak mal sele oswa barik. Apre flite poud mouye, li pral agglomere nan pi gwo patikil, ki pral flite sou mak yo lank mouye, fè sifas la nan kouch lank konjonktival ki graj ak diminye ekla orijinal la pèdi, kidonk ou ta dwe peye atansyon sou imidite {{1 }}prèv lè flite poud. Anplis de sa, gen yon aparèy chofaj sou mekanis nan aparèy la flite poud. Lè w ap itilize aparèy flite poud lan, li ta dwe tcheke pou wè si aparèy chofaj la echwe.

6. kòrèkteman ajiste machin lan. Kit epesè kouch lank anprent la satisfè estanda a tou afekte gloss la. Pou egzanp, ajisteman presyon an se pòv, to a elajisman pwen se wo, epesè nan kouch lank la pa satisfè estanda a, ak enteprete nan pwodwi a fini se yon ti kras pi mal. Se poutèt sa, li nesesè ajiste presyon an pou to ekspansyon pwen yo kontwole nan apeprè 15 pousan, ak kouch lank nan pwodwi enprime a se epè, kouch yo lonje, epi enteprete a jwenn tou.

7. Garvan Lishui (No. 0 lwil oliv). Lwil oliv sa a trè gluan ak epè, epi li ka ajiste konsantrasyon lank pou epesir lank mens la epi ogmante ekla pwodwi enprime a.

8. Ajoute keratin gloss. Se keratin nan enteprete trete soti nan matyè premyè ak enteprete segondè, ki ka ogmante enteprete nan lank la, men kantite lajan an pa ta dwe twò gwo, otreman vitès la siye nan lank la ap redwi, ak fenomèn nan rete soude ak desen ap parèt. , ki pral afekte gloss la.

9. Ajoute yon ajan eklèsisman. Lè kèk koulè lank yo twò nwa pou satisfè kondisyon yo nan enprime koulè tach, li bezwen pi lejè, ki pa sèlman ka fè lank la pi lejè, men tou, amelyore enteprete Bwat Chokola yo.

10. Ajoute 19 lwil résine. Lè likidite ak transfè pèfòmans lank la pa bon, 19 lwil résine ka dirèkteman transfere, ki pa sèlman ka amelyore enteprete lank la, men tou, pa afekte enprime koulè milti -overprint.

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