COMPOSITIONS INCLUDING COPOLYMERS OF ISOBUTYLENE AND PARAMETHYLSTYRENE SUBSTANTIALLY FREE OF PARAMETHYLSTYRENE MONOMERS AND METHODS OF MAKING THE SAME
A process for preparing a cement composition comprising an isoolefin-alkylstyrene copolymer and substantially free of an alkylstyrene monomer is described herein. The process comprises reacting the isoolefin monomer with at least a portion of the alkylstyrene monomer in a diluent to form an isoolefi...
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Sprache: | eng ; fre ; ger |
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