Bitumen/polymer composition vulcanizable at temperatures below 1

Details Bitumen/polymer composition vulcanizable at temperatures below 1 Bitumen/polymer composition vulcanizable at temperatures below 1

1995-03-06

1998-05-12

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 60, 524 61, 524 70, C08L 9500

Patent

active

057505985

ABSTRACT:
The bitumen/polymer composition comprises a bitumen, an elastomeric polymer vulcanisable with sulphur in an amount of 0.5 to 20% by weight of the bitumen, a sulphur-donating vulcanising agent, a vulcanisation accelerator and a viscosity-reducing agent chosen from water and hydrocarbon oils. The vulcanisation accelerator present in the composition consists of one or more vulcanisation accelerators active at temperatures below 100.degree. C., and the viscosity-reducing agent is used in an amount suitable for rendering the composition liquid at temperatures below 100.degree. C.

REFERENCES:
patent: 4554313 (1985-11-01), Hagenbach
patent: 5100938 (1992-03-01), Vitkuske
patent: 5120777 (1992-06-01), Chaverot

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