| 摘要 |
This invention relates to a reactive plastisol dispersion comprising (1) a polyvinyl acetal thermoplast in particle form; (2) a liquid plasticizer member of the group consisting of (a) at least one an ethylenically unsaturated monomer, oligomer or prepolymer of the formula: <IMAGE> wherein R is H or CH3, R1 is an organic moiety and n is 1 or more, (b) at least one unsaturated polyester containing the group: <IMAGE> wherein R2 and R3 are organic moieties, x is 0-20 and y is 1-20; and (c) a mixture of (a) and (b); and, optionally, either (3) a free radical thermal initiator or (4) a photoinitiator for crosslinking. The reactive plastisol dispersion when fluxed can be useful as a sealant or adhesive.
|
