Coupled resinous diene copolymer with good integral hinge flex l

Details Coupled resinous diene copolymer with good integral hinge flex l Coupled resinous diene copolymer with good integral hinge flex l

1976-06-24

1978-05-23

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08F29704

Patent

active

040910539

ABSTRACT:
A conjugated diene/monovinyl-substituted aromatic compound resinous copolymer such as a styrene/butadiene block copolymer is produced using two additions of the monovinyl-substituted aromatic component and initiator in a manner such that the product has 71 to 81 wt. percent monovinyl-substituted aromatic component and has a ratio based on the number average molecular weight of monovinyl-substituted aromatic component blocks in first and second polymer chains thus produced prior to coupling within the range of 3 to 7. The final product resulting from coupling such polymers has long integral hinge flex life and high hardness. This is accomplished by using no more than 5 millimoles of initiator per mole of monomer in the second addition.

REFERENCES:
patent: 3639517 (1972-02-01), Kitchen

Affiliated with

Also associated with

Rating

Coupled resinous diene copolymer with good integral hinge flex l does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Coupled resinous diene copolymer with good integral hinge flex l, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coupled resinous diene copolymer with good integral hinge flex l will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-564339