| abstract |
A water-based cement for producing tyres, having water as solvent, cross-linkable unsaturated-chain polymer base, of sulphur, reinforcing filler, zinc oxide, accelerators, and an emulsifier of the general formula (I) n [R 1 R 2 R 3 NR 5 (N(R 4 ) 3 ) n ] (n+1)+ (n+1)X − (I)n n where: n X is an anionic atom or group n R 1 , R 2 and R 3 , which may be the same or different, are each C mH 2m+1 , where m ranges between 1 and 3, or CH 2 CHCH 2 or CHCHCH 3 n R 4 is CH 2 CHCH 2 or CHCHCH 3 n n is 0 or 1 n R 5 is an aliphatic group C 15 -C 22 when n is 0; and is an aliphatic group C 8 -C 16 when n is 1 n when n is 0, at least one of R 1 , R 2 , R 3 and R 5 has a double bond. |