Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-12-15
1996-04-30
Delmendo, Romulo H,
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525269, 525270, 525274, 525289, 525295, 525297, 525300, 525308, 525310, 525313, 525315, 526139, 526141, 526142, 526161, 526166, 526169, 5261691, 5261693, 585313, C08F 469
Patent
active
055126359
ABSTRACT:
This invention relates to a process for preparation of non-crosslinked linear monofunctional and telechelic difunctional unsaturated polymers wherein the functional groups are reactive terminal groups other than vinyl groups. The average functionality number of the monofunctional unsaturated polymers is at least 0.7, as determined by nuclear magnetic resonance spectroscopy (NMR). The average functionality number of the telechelic difunctional polymers is at least 1.7, as determined by NMR. Monofunctional olefins and difunctional olefins are reacted with cyclic olefins or unsaturated polymers to prepare difunctional polymers. The process is substantially free of side reactions comprising double bond migration and cyclization. The unsaturated functional polymers can be reacted in condensation, addition and transesterification reactions to prepare polyesters, graft copolymers, polyurethanes, polyureas, polyamides, thermoplastic and thermosetting resins, block copolymers, ion exchange resins, adhesives, films, fibers, foams and flocculants.
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Behrends Raymond T.
Bouslog William G.
Cohen Steven A.
Nelson James P.
Nubel Philip O.
Amoco Corporation
Courtney Ronald S.
Delmendo Romulo H,
Kanady Mary J.
Oliver Wallace L.
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