No 제목 저자 21  [TK47] Processing promoters in elastomer seals for the automotive industry H. Ehrend and L. Steger 22  [TK46] Practical stategies to avoid hazardous N-nitrosamines in the vulcanization of elastomers H.-J. Graf 23  [TK44] Rhenogran CLD-80 (former: Rhenocure S/G) - a modern sulphur donor H. Ehrend 24  [TK43] Possibilities to develop cross-linking systems that do not form hazardous N-nitrosamines H.-J. Graf, H. Kleinknecht      1   2  3