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OLIGOMER AND HOMOPOLYMER OF META- OR PARA-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE
OLIGOMER AND HOMOPOLYMER OF META- OR PARA-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE
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机译:异-或对-异戊基-α-异氰酸酯,α-二甲基苯甲酸异氰酸酯的低聚物和均聚物
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摘要
Aromatic solvent-soluble linear oligomers or homopolymers of meta- or para-isopropenyl- alpha , alpha -dimethylbenzylisocyanate characterized by high isocyanate content are disclosed. Such oligomers or homopolymers are made by catalytic solution polymerization of the monomer in methylene chloride and/or toluene solution at a temperature of from about -80 DEG C. to about -25 DEG C., followed by low-temperature neutralization of the polymerization catalyst.
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