Catalyzed process for producing high molecular weight monovinyli

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

526220, 526222, 526225, 526232, 5262321, 5262323, 5263186, 5263292, 526346, 526347, C08F22006, C08F22010, C08F 1206

Patent

active

060840447

ABSTRACT:
The present invention is a process for producing a high molecular weight monovinylidene aromatic polymer, comprising free radically polymerizing a vinyl aromatic monomer in the presence of less than 10 ppm of a vinyl acid having a pKa at 25.degree. C. of less than 2.0.

REFERENCES:
patent: 2914499 (1959-11-01), Sheetz
patent: 3396136 (1968-08-01), Dickerson
patent: 3513120 (1970-05-01), Pohlemann
patent: 3711449 (1973-01-01), Brendley
patent: 4241191 (1980-12-01), Keppler
patent: 4367320 (1983-01-01), Murray
patent: 4552939 (1985-11-01), Thaler et al.
patent: 4585825 (1986-04-01), Wesselmann
patent: 5068255 (1991-11-01), Harris
patent: 5109033 (1992-04-01), Grey
patent: 5115055 (1992-05-01), Dais et al.
patent: 5145924 (1992-09-01), Shero et al.
patent: 5254650 (1993-10-01), Fukumura
patent: 5274027 (1993-12-01), Guilaume et al.
patent: 5439999 (1995-08-01), Archer et al.
patent: 5608023 (1997-03-01), Odell et al.
patent: 5948874 (1999-09-01), Pike et al.
Buzanowski, et al., Spontaneous Polymerization of Styrene in the presence of Acid: Further Confirmation of the Mayo Mechanism, Polymer, vol. 33, No. 14, p. 3055-3059 (1992).
Georges, et al., Narrow Polydispersity Polystyrene by a Free Radical Polymerization Process--Rate Enhancement, Macromolecules, 27, p. 7228-7229 (1994).
Plastic Manuf., 118: 82143r, vol. 118, p. 51-52, (1993).

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

Catalyzed process for producing high molecular weight monovinyli does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Catalyzed process for producing high molecular weight monovinyli, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalyzed process for producing high molecular weight monovinyli will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1487414

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