Modified diene polymer rubbers

Details Modified diene polymer rubbers Modified diene polymer rubbers

1992-03-09

1993-06-15

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525245, 525254, 525274, 525288, 5253323, 5253328, 5253329, 5253331, 5253332, 525340, C08F 842, C08F 840

Patent

active

052199380

ABSTRACT:
A process for preparing modified diene polymer rubbers having an increased impact resilience, a reduced hardness at low temperatures and an improved processability, and useful as rubber materials for automobile tires and other industries which comprises producing a conjugated diene polymer having alkali metal end or ends, and reacting the alkali metal-containing polymer with (a) a silicon or tin compound of the formula: R.sub.a MX.sub.b wherein R is an alkyl group, an alkenyl group, a cycloalkenyl group or an aromatic hydrocarbon atom, a is 0, 1 or 2 and b is 2, 3 or 4, and (b) at least one member selected from the group consisting of a nitro compound; a phosphoryl chloride compound of the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are an alkyl group; an aminosilane compound of the formula (2): ##STR2## wherein R.sup.5, R.sup.6 and R.sup.7 are an alkyl group or an alkoxyl group, R.sup.8 and R.sup.9 are an alkyl group, and n is an integer; an acrylamide compound of the formula (3): ##STR3## wherein R.sup.10 is hydrogen atom or methyl group, R.sup.11 and R.sup.12 are an alkyl group, and m is an integer; and an aminovinylsilane compound of the formula (4): ##STR4## wherein R.sup.13, R.sup.14, R.sup.15, R.sup.16 and R.sup.17 are an alkyl group.

REFERENCES:
patent: 3244664 (1966-04-01), Zelinski et al.
patent: 3264374 (1966-08-01), Jones
patent: 3322738 (1967-05-01), Uraneck et al.
patent: 3692874 (1972-09-01), Farrar et al.
patent: 3725369 (1973-04-01), Halasa et al.
patent: 3955036 (1976-05-01), Plueddemann
patent: 4086248 (1978-04-01), Fahrbach et al.
patent: 4148838 (1979-04-01), Martin
patent: 4647625 (1987-03-01), Aonuma et al.
patent: 5015692 (1991-05-01), Takao et al.
Patent Abstracts of Japan, vol. 11, No. 322 (C-453) (2769), Oct. 20, 1987 & JP-A-62-109801 (Japan Synthetic Rubber Co. Ltd.) May 21, 1987.
Jones, G. D. et al. "Water-Soluble Photocurable Elastomer", Journal of Applied Polymer Science, vol. 23 (1979) pp. 115-122.

Affiliated with

Also associated with

Rating

Modified diene polymer rubbers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Modified diene polymer rubbers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Modified diene polymer rubbers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1043735