Synthesis of acrylic core–shell composite polymers and properties of plastisol–gels

Heterogeneous latices of acrylic core–shell polymers were designed and prepared via a two-stage seeded emulsion polymerization for plastisol–gel of automotive underbody coatings and body sealers. 1,6-Hexanediol diacrylate (HDDA) was introduced to the rubbery core and/or the glassy shell with interpe...

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Bibliographic Details
Published in:Progress in organic coatings 2004-06, Vol.50 (1), p.55-61
Main Authors: Wang, G.J., Kang, C.S., Jin, R.G.
Format: Article
Language:English
Subjects:
Applied sciences
Compounding ingredients
Core–shell latex
Emulsion polymerization
Exact sciences and technology
Gel
Plasticizers
Plastisol
Polymer industry, paints, wood
Storage stability
Technology of polymers
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Summary:Heterogeneous latices of acrylic core–shell polymers were designed and prepared via a two-stage seeded emulsion polymerization for plastisol–gel of automotive underbody coatings and body sealers. 1,6-Hexanediol diacrylate (HDDA) was introduced to the rubbery core and/or the glassy shell with interpenetrating polymer network (IPN). The latices were characterized by submicron particle sizer, differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). The properties of plastisol–gels prepared by mixing the core–shell polymers and DOP/TCP plasticizers were investigated by testing the storage stability of plastisols and the mechanical properties of plastigels. These novel core–shell polymers represent a highly positive innovation and a wide application in automotive industry instead of the hazardous material PVC plastisol.
ISSN:0300-9440
1873-331X
DOI:10.1016/j.porgcoat.2004.01.001