000 01124nam a2200181Ia 4500
008 220216s9999 xx 000 0 und d
100 _aMosch A
245 0 _aInvestigation of the accelerated sulfur vulcanization of polydienes 1 - Reaction products of vulcanization of NR with CBS/S
260 _bKautschuk Gummi Kunststoffe
_c2003
300 _a184-189
520 _aThe curing process of NR with different CBS/S- ratios was studied in order to get more information about the mechanism of the accelerated sulfur vulcanization. Time dependent collected extracts of the vulcanizates were analyzed by means of HPLC-MS and HPLC-UV. The MS-analysis shows the existence of dibenzothiazolyl-polysulfides during the scorch period. Quantitative analysis of the soluble reaction products demonstrates the influence of the sulfur-accelerator-ratio to the dispoportion of the accelerator and the rate of the crosslinking reaction.
650 _aLC-MS-analysis
650 _aSulfur vulcanization
650 _aTime concentration relationships of reaction products
700 _aGiese U
700 _aSchuster R H
942 _cJS
999 _c61629
_d61629