Rubber compsns. having good adhesion to tyre cords - contg. condensn. prods. of formaldehyde and alkyl resorcinols
Compsns. comprise 100 pts. wt. synthetic rubber, 1.8-2.5 pts. wt. vulcanising agent, 0.9-1.0 pt. wt. accelerator, 6.5-7.0 pts. wt. activators, 1 pts. wt. strength promoter, 50-55 pts. wt. filler, 8-11 pts. wt. plasticiser and 1-10 pts. wt. adhesion additive. The adhesion additive is the reaction pro...
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Sprache: | eng ; fre |
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Zusammenfassung: | Compsns. comprise 100 pts. wt. synthetic rubber, 1.8-2.5 pts. wt. vulcanising agent, 0.9-1.0 pt. wt. accelerator, 6.5-7.0 pts. wt. activators, 1 pts. wt. strength promoter, 50-55 pts. wt. filler, 8-11 pts. wt. plasticiser and 1-10 pts. wt. adhesion additive. The adhesion additive is the reaction prod. of a donor of aminomethyl gps. with a condensn. prod. from HCHO and a mixt. of mono- and di-methyl and ethyl resorcinols. It contains >=50 wt. % of 5-methylresorcinol and has a mol. wt. of 350-500. Compsns. are useful in the motor tyre industry and in theprdn. of technical rubber articles. |
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