| 摘要 |
1,224,749. Cross-linked alkylstyrenes. DOW CHEMICAL CO. 28 March, 1968 [3 April, 1967; 30 June, 1967], No. 15014/68. Heading C3P. [Also in Division C5] C 2 + - alkyl - styrenes, e.g. p - t - butylstyrene with or without vinyltoluene or styrene, and p-t-amylstyrene, p-n-amylstyrene, p-thexylstyrene and p-n-hexylstyrene with vinyltoluene or styrene, are cross-linked in aqueous emulsion with divinylbenzene. The polymer particles in the latex produced may have average diameters of 1-80 microns. |
