Additives antiblocking agents

Additives. Compounds are often added to the polymer at the extmder or melt homogenizer. Common additives are antioxidants (qv), thermal stabilizers, sHp agents, antiblock agents, anduv stabilizers. Popular antioxidants are 2,6-di-/-butyl-/)-cresol (BHT), octadecyl... 

Ecoflex Batch SL 1 Ecoflex Batch SL 2 Ecoflex Batch AB 1 Ecoflex Batch AB 3 Ecoflex Batch C White Ecoflex Batch C Black Lubricant Lubricant Antiblocking agent Antiblocking agent White batch Black batch 10% Erucamide ESA 5% Wax, additive 60% Eine chalk 40% Very fine chalk 60% Ti02 25% Carbon black... 

Antiblocking agents, slip additives Silica, amide waxes, oleamide... 

The presence of stabilizer has little effect on poly (vinyl chloride) carboxylation (Table VIII). Since the other polymers were also subjected to the carboxylation process without removing commercial additives such as antioxidants, UV and thermal stabilizers, antiblocking agents, etc.—the additives inhibit neither the polymerization of the styrene-maleic anhydride complex nor the grafting reaction. 

When antiblocking agents are incorporated into PE films, other important properties of the polymer are also affected. These include an increase in stiffness, a decrease in the coefficient of friction, and an increase in haze. Interaction effects with processing aids can also result, especially with fluorocarbon elastomers that are added to prevent melt fracture in the blowing process of films. Worker exposure to dust generated by these additives can be hazardous if impurities such as crystalline silica or asbestos are present. 

Slip agents are related to antiblocking agents, but instead of decreasing surface contact, they reduce blocking by introducing a thin, low-friction coating between the plastic materials. These additives are usually mixed into the polymer film, but... 

Combinations of a slip and an antiblocking agent can improve performance through more rapid development of slip properties and a more efficient use of the antiblock in both cases this is the result of Improved dispersion of the additives. These agents are commonly added to a resin in the form of a multicomponent master batch which also includes other additives. Amounts of the antiblock in the master batch commonly range from 5 to 50%. 

Slip, antislip, and antiblock agents [30, 31] do not facilitate molding or semifinished product manufacture as do lubricants. What they do is to simplify further processing - of foils in particular. Foil bags that have been stored in stacks cannot be readily picked up or opened, problems that are particularly noted with LDPE and PP. An effective slip agent with LDPE is addition of 0.05 % oleic acid amide and with PP the same amount of eruca acid amide. Additive manufacturers supply concentrates of these compounds in granulate form for addition to molding compounds [50]. 

Uses Surf, additive, slip agent, substrate wetting agent used in aq. coatings, solvent-free, and solvent-based coatings and inks antiblocking agent in water-based paints... 

Uses Surf, additive, slip agent, antiblocking agent, surf. tens, reducer, substrate wetting agent tor topcoats Features Reactive sol. resist. weather resist. less dirt retention Properties Colorless liq. aromatic odor sp.gr. 0.92 dens. 7.65 Ib/gal vapor pressure 4 mm Hg flash pt. (Seta) > 25 C ref. index 1.485 25% NV... 

CAS 8002-74-2 EINECS/ELINCS 232-315-6 Uses LubricanL scratch resist, aid. antiblocking agent for aq. systems incl. water-reducible flexo and gravure printing inks, wood finishes, coil coatings, industrial finishes, latex paints, overprint varnishes Features General stir-in wax additive extremely easy to add to a formula with only mild agitation eliminates flotation and defoamer kickout problems... 

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