Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-07-07
1994-08-23
Seidleck, James J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 60, 525 62, 525221, 525238, 525260, 525264, 525291, 525296, 525301, 524803, C08L 2902, C08L 2904
Patent
active
053408748
ABSTRACT:
A modified polyvinyl alcohol and a solid state process for producing modified polyvinyl alcohol wherein polyvinyl alcohol powder is sprayed with a sufficient amount of a solution of a polymerizable monomer to swell the polyvinyl alcohol powder but not dissolve it or form a slurry. The swollen polyvinyl alcohol powder is sprayed with a free radical source (an initiator) and the temperature is raised to initiate a reaction between polyvinyl alcohol and the polymerizable monomer.
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Famili Amir
Marten Finn L.
Vratsanos Lori A.
Air Products and Chemicals Inc.
Bongiorno Mary E.
Clark W. Robinson H.
Marsh William F.
Seidleck James J.
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