Preparation of Stable Miniemulsions of Poly(2‐ethyl hexyl acrylate‐co‐vinyl acetate)

Abstract

Summary: This paper presents the results of the preparation of miniemulsions as well as the subsequent copolymerizations of 2‐ethyl hexyl acrylate and vinyl acetate. The miniemulsions were prepared using a mixture of an anionic and a non‐ionic surfactant. Sodium dodecyl sulfate (SDS) was used as the anionic surfactant and two non‐ionic surfactants were studied: Triton X‐405 and Disponil A3065. The miniemulsions prepared with a 90/10 mol.‐% Disponil A3065 were able to reach a kinetically‐stable state to yield latexes with 43 wt.‐% solids content with a maximum change in the number of particles (Np) with respect to the number of droplets (Nd) of ∼6%. A 23 factorial design was then used to discern the influence of monomer, chain transfer agent and surfactant concentration on the droplet size distribution (DSD) and particle size distribution (PSD). Pressure‐sensitive adhesive (PSA) properties were also examined.

The Effect of Cellulose Nanocrystal Reassembly on Latex-Based Pressure-Sensitive Adhesive Performance

“…This aligns with our earlier discussion regarding the impact of cCNC-latex particle aggregation on shear adhesion. In other words, the addition of the cCNCs at the feed stage led to less cCNC reassembly and lower cCNC-latex particle aggregation compared to the seed stage addition cases. ,− …”

Evaluation of Organically Modified Layered Double Hydroxides as Fillers for the Preparation of Polymer Nanocomposites in Miniemulsion Polymerization

“…[ 18a,19c,21 ] Miniemulsion polymerization is indeed highly suitable for the preparation of waterborne pressure‐sensitive adhesives (PSAs) as it allows the tailoring of the microstructure of the final material, and consequently of its properties. [ 22 ] Other examples of nanocomposites prepared by miniemulsion polymerization for application as PSAs with special properties include hybrid latexes containing silica [ 23 ] and cellulose nanocrystals. [ 24 ]…”