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Grafted Coatings

Coatings are applied on the surface of substrates to improve functional properties and durability.  Conventional coatings need extensive surface preparation for adhesion and need to build up thickness for performance. Such is not the case with APS' grafted coating formulations. Most  of APS' coatings can be applied in one step with no or minimal surface preparation. In addition, due to the chemistry of APS's chemical grafting process, thinner coatings can be used to achieve a higher degree of property performance. Delamination will not occur due to the chemical bond formed between the coating and the substrate with subsurface penetration occurring through the use of  molecularly small and lightweight monomers. 


Typical coating methods can be used such as dip, spray, roll, flow coat, etc.  APS'  coatings can be formulated to be air-dried, however, in the interest of time, heat or some energy source (i.e., UV or infrared lights) can be used. 

Grafted Additives 

APS can develop additives to incorporate into the raw material/resin prior to extruding or molding. In this case, the new properties will penetrate the matrix of the material. APS  chemists will adjust the formulation to conform to the processing parameters used by the manufacturer. Due to the molecular bond formed by  the APS'  process, the new properties will not migrate and leach from the material over time, even under severe conditions. 


Laminates (Adhesives) 

APS'  chemists have extensive experience in bonding the same or different substrates together. Materials that are difficult to adhere to are effectively bonded with APS' process. There is no or minimal surface chemical attachment of one substrate to the other. 

Consequently, substrate failure will occur before adhesion failure. In addition, if two substrates with different coefficients of thermal expansion are bonded, and APS  developed adhesives bonding action will not be affected. Such is not the case with conventional adhesives which cannot withstand the varying expansion and contraction of different substrates. 

Application of all  APS  chemical grafting formulations  can apply at ambient temperatures and normal atmospheric conditions. We have successfully grafted such properties as abrasion  resistance, chemical resistance, flame resistance, UV  resistance, oxygen and moisture barrier, increased  structural strength, adhesion to other materials, and  flavor barrier onto numerous plastics  


Acrylic, Acetal, Acrylonitrile-butadiene styrene (ABS),  Polyamide imide, Cellulose acetate, Cellulose butyrate,  Ethylene vinyl acetate (EVA), Ethylene vinyl alcohol  (EVOH), Kapton, Polyamide (Nylon), Polyethylene  terephthalate (PET), Polybutadiene styrene (PBS),  Polytetrafluoroethylene (TEFLON), Polyvinylchloride  (PVC), Polyvinylacetate (PVA), Polyvinylidiene chloride  (PVDC), Polyvinyl alcohol (PVOA), Polyetheramide,  Phenolics, Polysulphone, Polyetheretherketone (PEEK),  and Styrene acrylonitrile (SAN).


Contact us if you do not  see your plastic or property 

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