Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1990-10-10
1993-01-05
Hoke, Veronica P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524270, 524274, 530213, 530215, 530218, 530219, C09F 104, C08L 9304
Patent
active
051771330
ABSTRACT:
An improved, stable rosin ester tackifier consisting essentially of an adduct of rosin and a polyhydric alcohol selected from the group consisting of trimethylolpropane, trimethylolethane, and mixtures thereof, and hot melt adhesive compositions consisting essentially of said tackifier and a polymer component, said compositions containing a mixture of antioxidants containing a higher alkyl diester of thiopropionic acid, a hindered phenolic compound and a phenol sulfide compound, preferably an alkyl phenol disulfide oligomer.
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Deitch Alan H.
Peck Michael C.
Whitfield Susan L.
Georgia-Pacific Resins Inc.
Hoke Veronica P.
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