Sulfonated polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

522129, 522146, 20415764, 20415778, C08L 2332, C08J 328

Patent

active

06114407&

ABSTRACT:
Methods of sulfonating a polymer are provided. One method of sulfonating a polymer includes exposing sulfur dioxide and oxygen to free radical producing energy and contacting the polymer with the product of preceding step. Desirably, the steps of exposing sulfur dioxide and oxygen to free radical producing energy and contacting the polymer with this product are performed in a reduced pressure environment. Another method of sulfonating a polymer includes contacting the polymer with sulfur dioxide and oxygen and exposing the contacted polymer to free radical producing energy. The polymer may be contacted with a mixture of sulfur dioxide and oxygen or the polymer may be separately contacted with sulfur dioxide and oxygen. When the polymer is separately contacted with sulfur dioxide and oxygen, the polymer may first be contacted with sulfur dioxide and then contacted with oxygen. The source of the free radical producing energy may be ultra-violet light, electron beam, noble gas radio frequency (rf) plasma, corona discharge, or gamma radiation.

REFERENCES:
patent: 3260741 (1966-07-01), Mackinnon et al.
patent: 3325387 (1967-06-01), Black
patent: 3338992 (1967-08-01), Kinney
patent: 3341394 (1967-09-01), Kinney
patent: 3372188 (1968-03-01), Alston et al.
patent: 3464952 (1969-09-01), Larsen
patent: 3502763 (1970-03-01), Hartmann
patent: 3542615 (1970-11-01), Dobo et al.
patent: 3692618 (1972-09-01), Dorschner et al.
patent: 3740258 (1973-06-01), Walles
patent: 3802817 (1974-04-01), Matsuki et al.
patent: 3849241 (1974-11-01), Butin et al.
patent: 3909009 (1975-09-01), Cvetko et al.
patent: 4307143 (1981-12-01), Meitner
patent: 4340563 (1982-07-01), Appel et al.
patent: 4663220 (1987-05-01), Wisneski et al.
patent: 4666452 (1987-05-01), Nohr et al.
"Getting An Insight Into The Liquid-Phase Sulfonation Of 1-Alkenes: Primary and Secondary Products", Communicaciones presentadas a las Jornadas del Comite Espanal de la Detergencia. vol. 16, 1985, pp. 247-261.
"Formation and Reaction of Polyenesulfonic Acid. I. Reaction of Polyethylene Films with SO.sub.3 ", Journal of Polymer Science: Part A: Polymer Chemistry, vol. 26, 1988, pp. 167-176.
"Formation and Reaction of Polyenesulfonic Acid. II. Photoreaction of Polyenesulfonic Acids", Journal of Polymer Science: Part A: Polymer Chemistry, vol. 26, 1988, pp. 177-185.
"Formation and Reaction of Polyenesulfonic Acid. III. Preparation and Photoreaction of 1,3,5-Hexatriene-1,6-disulfonic Acid", Journal of Polymer Science: Part A: Polymer Chemistry, vol. 26, 1988, pp. 187-194.
"Sulfonation of Polyethylene Membranes", Journal of Applied Polymer Science, vol. 42, 1991, pp. 1285-1287.
"Sulfonation and Sulfation", Kirk-Othmer Encyclopedia of Chemical Technology, 3.sup.rd Edition, vol. 22, pp. 1-45. (1983).
"Sulfonation of low-density polyethylene films. Infrared absorption coefficients for the sulfonic group", Makromol. Chem. 192, 1991, pp. 491-497.
"Sulfonation of Ultra High Molecular Weight Polyethylene Fibers, Part 1: Chemical Investigation", by Y. Muraoka et al., pp. 1-15.
"Improving Adhesion to Polymers by Gas Phase Sulfonation", Advanced Composites Conference and Exposition, ASM/ESD, 1993., pp. 241-249.
"Advanced Inorganic Chemistry, a Comprehensive Text", F. A. Cotton and G. Wilkinson, 4.sup.th Edition, John Wiley & Sons, 1980, pp. 491-492.
Derwent Abstract for JP 72-077827 dated Aug. 3, 1972.
Derwent Abstract for JP 01-266,224A dated Oct. 24, 1989.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Sulfonated polymers does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-2212780

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.