Studies on the Modification of Thermoplastic Polyolefins (TPOs)—Part I. Effect of Various Modifiers on the Adhesion of a Two-Component (2K) Polyurethane Coating to the Modified TPOs

Autor:	Kurt C. Frisch, M. Hailat, Han X. Xiao
Rok vydání:	2000
Předmět:	chemistry.chemical_classification Polyvinyl acetate Materials science Thermoplastic Polymers and Plastics Adhesion engineering.material Paint adhesion testing chemistry.chemical_compound chemistry Coating Polycaprolactone Materials Chemistry engineering Adhesive Composite material Polyurethane
Zdroj:	Journal of Elastomers & Plastics. 32:194-210
ISSN:	1530-8006 0095-2443
DOI:	10.1177/009524430003200302
Popis:	Thermoplastic polyolefins (TPOs) have low energy surfaces, therefore, they are difficult to be adhered to with adhesive and coating systems. Various modifiers, namely, polycaprolactone, polyvinyl acetate, poly(oxy-ethylene)glycol and polyamides were incorporated into the matrix of TPOs to modify and enhance their surface energy in order to improve adhesion of two component (2K) urethane coatings to their surface. Adhesion was investigated by using the crosshatch adhesion test. Good adhesion of 2K polyurethane coatings to the modified TPOs was achieved by using polyamides based on maleated polypropylene (MPP) and polyetheramine (PEA) (ED4000). The adhesion was found to be dependent on the modifier percentage and the equivalent ratio of MPP to PEA (ED4000).
Databáze:	OpenAIRE
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