Vinyl Ether Acrylate

Acrylate vinyl ether radical figure 5.

Vinyl ether acrylate.

They are increasingly used in radiation curing systems because of a lower toxicity profile than the commonly used acrylic monomers. Vinyl ether monomers can be used with acrylate oligomers to afford hybrid curable systems 13 which combine the advantages of both vinyl ether chemistry. Acrylic elastomer can generally be characterized as one of two types. Some commercially important vinyl ethers include ethyl n butyl isobutyl ethylhexyl dodecyl octadecyl and cyclohexyl vinylether.

Vinyl ethers undergo homopolymerization via a cationic mechanism. Vinyl methacrylate cas number 4245 37 8. In particular the compositions of the present invention may contain a vinyl ether or acrylate terminated block resin such as a polyurethane block copolymer a reactive diluent having vinyl ether or 1 alkenyl ether and meth acrylate functionality. Polymerization rate in figure 5 the conversion of acrylate 1407 cm 1 and vinyl ether groups 1618 cm 1 are plotted as a function of vinyl ether content.

Old types include acm copolymer of acrylic acid ester and 2 chloroethyl vinyl ether containing chlorine and anm copolymer of acrylic acid ester and acrylonitrile without chloride. The main manufacturer of vinyl ether monomers and resins is basf. The polymers formed have a ketone end group e g 19 scheme 9 functionality can be introduced on z or r to modify reactivity or to tailor the end groups as in the examples 20 22. Of acrylate based oligomers low viscosity formulations permitting a wide range of application techniques safety in use high cure speeds and decreased air inhibition.

Molecular weight 112 13. The present invention relates to vinyl ether or acrylate terminated block resins compositions incorporating same and methods for preparing same. It is remarkable that only 10 addition of dve 3 increases the conversion of the acrylate from about 55 to nearly 100. Linear formula h 2 c c ch 3 co 2 ch ch 2.

Vinyl ethers undergo radical initiated copolymerization in the presence of specific monomers such as maleates fumarates and acrylics. New types do not contain chlorine and are less prone to mold related staining. Vinyl methacrylate 98 synonym. The acrylate double bond polymerizes faster than the vinyl ether double bond and reaches 95 conversion in triacrylate monomers.

21 the vinyl ether transfer agents like other vinyl ethers generally show marked acid sensitivity and are not suited for use with acidic monomers e g acrylic acid aa methacrylic acid maa.