Process for the preparation of bitumen-polymer composition

Details Process for the preparation of bitumen-polymer composition Process for the preparation of bitumen-polymer composition

1995-07-21

1996-04-16

Sweet, Mark D.

Stock material or miscellaneous articles

Composite

Of bituminous or tarry residue

524 59, 524 68, 524393, 524575, B32B 1100

Patent

active

055081126

ABSTRACT:
A process is provided for the preparation of bitumen-polymer compositions wherein bitumen is mixed at a composition between 100.degree. C. and 230.degree. C. with a block copolymer of styrene and a conjugated diene and a coupling agent containing a sulphur-donor compound for a duration of at least 10 minutes. The coupling agent is comprised of an elementary sulphur vulcanization agent and at least one sulphur-donor vulcanization accelerator from among morpholine disulphide, N,N'-disulphide of caprolactam and thiuram polysulphides.

REFERENCES:
patent: 3751389 (1973-08-01), Hotta et al.
patent: 3803066 (1974-04-01), Petrossi
patent: 3992340 (1976-11-01), Bonitz
patent: 4129542 (1978-12-01), Natheson
patent: 4242246 (1980-12-01), Maldonado et al.
patent: 4554313 (1985-11-01), Hagenbach et al.
patent: 4576648 (1986-03-01), Damangeon et al.

Affiliated with

Also associated with

Rating

Process for the preparation of bitumen-polymer composition does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of bitumen-polymer composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of bitumen-polymer composition will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-324047