SU734231A1 - Unsaturated rubber-based vulcanized rubber mixture - Google Patents

Description

contain any targeted dobanki rubber production.

Example: Rubber mixtures of the composition shown in Table L are prepared on rollers.

Table i

where R is 2,4-toluene, R is ethylene-1,2-dioxy

The compound of formula I, where R is 2,4-toluene, R -1, 4, 7-trioxaheptan-1, 7-diyl

The compound of the formula G, where R is 2,4-toluene, R-butylene-1,4-dioxy

The compound of formula 1,

where R is diphenylmethane-4, 4-diyl,

R-1,4,7-trioxagept-1 7-diyl

blanks

vulcanization160 + 2 C press at 20 min.

Your c)

12930 13110 13000 13150 13100 12600 12750 12540 12700 12700

9.0

8.0

8.3

8.1

ten

Table 2 presents the properties of rubber from the known and proposed

mixes.

table 2

280 275 285

280

280

275

450 460 480

470

470

475

12

12

13

13

12

Claims (1)

0.55 0.56 0.56 0.56 0.55 0.56 0.6 0.6 0.6 0.61 0.6 0.6 0.61 7 As follows from table 2, the rubber from the proposed mixture has improved dynamic properties (up to failure) by 25-30% compared to rubber from a known mixture, the invention claims to be vulcanized, and the rubber mixture based on unsaturated rubber, O K K-0- (il HR-NH / It O where R is 2,4-toluene (or a mixture of 2,4 and 2,6-isomers) or diphenylmethane-4, 4-diyl; R-ethylene-1,2-dioxy, butylene-1, 4-dioxy., 1,4,7 -trioxaheptan-1,7-diyl, in the following ratio of components, wt.h .: Rubber 100 Filler 10-70 16 including filler, softener , a vulcanization accelerator and a vulcanizing agent, characterized in that, in order to improve the lymphatic properties of rubber from this mixture, the latter contains a compound of the formula - i-NH-F. -lIH- (l-0-N II and 0 o Maxifier 2-10 Vulcanization accelerator 0.1-5.0 Vulcanizing agent 8-10 Sources of information taken into account in the examination 1. England patent No. 1362.796, c. 3 Е, published. 1974 (prototype).