Layering, precipitating, depositing during printing

Phenomenon: Almost similar to acidification, but not because of the absorption of moisture in the ink system caused by delamination, precipitation and precipitation, mostly because one or more resins in the ink system are not completely miscible during blending, or One type does not reach dissolution (such as turbidity) at all. In the printing process of packaging printing inks, the use of a single solvent or the use of a wrong solvent can also result in inconsistent floating color, light color, and ink film encapsulation..........

Reasons: 1 is the ink has expired; 2 is because the pigment formed a large flocculation and precipitation; 3 is the ink itself is relatively thick, the viscosity is not high viscosity and poor plastic fluid; 4 is stored in addition to layering, Apart from the analysis of hydrazine and precipitation, the binder in the ink system is not stable; 5 is the addition of poor thinner or varnish, etc. during packaging printing.

Methods: 1 Add phenyl ether or propyl ether produced by Shanghai Jinshan Chemical Plant; 2 ink layering problems, such as polyamide and nitrocellulose mixed, usually first put the cotton liquid, and then add the polyamide solution while stirring, and immediately eliminate; 3 When several resins are blended, it is best to use 3% to 5% of ethylene glycol phenyl ether or propylene glycol stupid ether to make the polymer take the polymer to mutual solubility; 4 to change the dilution solvent (do not delaminate after diluted with the ink, Turbidity and whitishness; 5 Add TM-27 coupling agent, bentonite or white carbon produced by Tianyang Chemical Factory; 6 The problem of precipitation of ink (surface like a layer of resin liquid), generally due to solvent and resin If the solubility is not balanced, if you find a solution, first, calculate the solubility of the solvent and the resin. Try to reach an agreement as much as possible. Generally, the energy is greater than 0.75, and the lower 0.75 is better; the second is the addition of expansive clay, but the composite printing ink Usually, silica is added to prevent the precipitation of pigments; 7 ink precipitation problems, such as 6 will also lead to precipitation, once the failure occurs, the resin should be increased, and reduce the amount of pigment and filler; add wax and soil; extend the grinding time / Oil The finer the fineness of the ink, the better; and add the TM-27 coupling agent (that is, increase the concentration, but also increase the adhesion); 8 put a stir bar in the ink fountain; 9 then spread the ink to filter; 10 change New ink; (11) Add universal solvent to make the several resins in the ink system reach mutual solubility; (12) choose high viscosity ink; (13) choose light weight pigment or use deflocculant; (14) add strong solvents with strong solubility.

Living Room Cabinet

A cabinet is a case or cupboard with shelves and/or drawers for storing or displaying items. Some cabinets are stand alone while others are built in to a wall or are attached to it like a medicine cabinet. Cabinets are typically made of wood (solid or with veneers or artificial surfaces), coated steel (common for medicine cabinets), or synthetic materials. Commercial grade cabinets usually have a melamine-particleboard substrate and are covered in a high pressure decorative laminate, commonly referred to as Wilsonart or Formica.

Cabinets sometimes have one or more doors on the front, which are mounted with door hardware, and occasionally a lock. Cabinets may have one or more doors, drawers, and/or shelves. Short cabinets often have a finished surface on top that can be used for display, or as a working surface, such as the countertops found in kitchens.

A cabinet intended to be used in a bedroom and with several drawers typically placed one above another in one or more columns intended for clothing and small articles is called a dresser or a Chest Of Drawers. A small bedside cabinet is more frequently called a Nightstand or night table. A tall cabinet intended for clothing storage including hanging of clothes is called a wardrobe or an armoire, or (in some countries) a closet if built-in.

Living Room Cabinet,Living Room Storage Chest,Living Room Display Cabinet,Living Room Storage Cabinet

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