| 摘要 |
<p>This invention relates to a reactive plastisol dispersion comprising
<UnorderedLists id="ula01" listStyle="none"><ListItem>(1) a polyvinyl acetal thermoplast in particle form;</ListItem><ListItem>(2) a liquid plasticizer' member of the group consisting of
<UnorderedLists id="ula02" listStyle="none"><ListItem>(a) at least one an ethylenically unsaturated monomer, oligomer or prepolymer of the formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="19" wi="36" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R is H or CH<Sub>3</Sub>, R<Sub>1</Sub> is an organic moiety and n is 1 or more,</ListItem><ListItem>(b) at least one unsaturated polyester containing the group:
<Chemistry id="chema02" num="0002"><Image id="ia02" he="15" wi="73" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sub>2</Sub> and R<Sub>3</Sub> are organic moieties, x is 0-20 and y is 1-20; and</ListItem><ListItem>(c) a mixture of (a) and (b); and, optionally, either</ListItem></UnorderedLists></ListItem><ListItem>(3) a free radical thermal initiator or</ListItem><ListItem>(4) a photoinitiator for crosslinking.</ListItem></UnorderedLists></p><p>The reactive plastisol dispersion when fluxed can be useful as a sealant or adhesive.</p> |
