Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1984-12-11
1987-03-17
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525216, 5253321, 525338, C08F 804
Patent
active
046508295
ABSTRACT:
Hydrogenated hydrocarbon resins from cyclopentadiene and/or substituted cyclopentadiene of softening point below 90.degree. C. and having a (Tg) as from 35 to 70 lower than the softening point with less than 12 wt. % of the resin having a molecular weight above 1000 are particularly useful as tackifiers in pressure sensitive adhesives especially in hydrogenated styrene/butadiene/styrene block copolymer adhesive formulations where their use can obviate the need for plasticizing oil.
REFERENCES:
patent: 4400486 (1983-08-01), Iwata et al.
patent: 4460724 (1984-07-01), Tsuchiya et al.
Bossaert Bernard
Hughes Vincent L.
Lechat Jacques
Lepert Andre
Yap Raymond C. C.
Exxon Research & Engineering Co.
Hunt J. F.
Lipman Bernard
Schofer Joseph L.
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