Color stable hot melt adhesive

Details Color stable hot melt adhesive Color stable hot melt adhesive

1986-12-19

1989-05-30

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524109, 524132, 524151, 524153, 524289, 524291, 524332, 524343, 524349, 524505, 525 98, 525 99, 604366, C08K 511, C08K 513, C08K 534, C08K 552

Patent

active

048352004

ABSTRACT:
A hot melt adhesive composition possessing color stability and resistance to heat degradation, oxidation and skin formation. The adhesive composition contains a block copolymer prepared using a bromide based coupling agent, a tackifying resin, and an effective amount of a stabilizer composition. The stabilizer composition contains a thio compound, a phenolic antioxidant, a tris-(nonylated phenyl) phosphite, and an aliphatic compatible epoxy compound. Optionally, the adhesive composition may also contain a plasticizer and/or a petroleum derived wax.

REFERENCES:
patent: 4444953 (1984-04-01), St. Clair
patent: 4514554 (1985-04-01), Hughes et al.
patent: 4526577 (1985-07-01), Schmidt, Jr. et al.
patent: 4699938 (1987-10-01), Minamizaki et al.
patent: 4714749 (1987-12-01), Hughes et al.

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