Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1977-11-14
1980-01-08
Sneed, Helen M. S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
252182, 260435R, 526 75, 526192, 528392, C07F 724
Patent
active
041828216
ABSTRACT:
A method for producing a lead containing monomer composition comprising reacting a mixture comprising (1) at least one monomer selected from the group consisting of alkyl methacrylate having 1-4 carbon atoms in an alkyl group, hydroxyalkyl acrylate, hydroxyalkyl methacrylate and styrene, (2) acrylic or methacrylic acid, (3) an organic acid having the general formula: R.sub.1 COOH, wherein R.sub.1 is hydrocarbon residue having 5-20 carbon atoms and optionally (4) an organic acid having the general formula: R.sub.2 COOH, wherein R.sub.2 is hydrocarbon residue having 2-4 carbon atoms with lead monoxide. The composition is polymerized to obtain a radiation shielding polymer.
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Nagai Haruo
Nunokawa Kunikazu
Uehara Hiroshi
Hueschen Gordon W.
Kyowa Gas Chemical Industry Co. Ltd.
Sneed Helen M. S.
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