Stabilized rosin esters and hot melt adhesives containing them

Details Stabilized rosin esters and hot melt adhesives containing them Stabilized rosin esters and hot melt adhesives containing them

1990-07-30

1991-05-28

Kight, III, John

Compositions: coating or plastic

Coating or plastic compositions

Natural resin or derivative containing

106241, 524272, C08L 9304

Patent

active

050191675

ABSTRACT:
Improved rosin ester compositions are provided having diminished tendency toward hazing concomitant with good viscosity stability when employed in adhesive systems such as hot melt adhesive systems. Addition of zinc composition to rosin ester formulations in an effective amount serves to secure these improvements. Zinc oxide, zinc hydroxide and zinc salts of organic acids are suitable for employment with zinc resinates being preferred in accordance with the practice of certain embodiments.

REFERENCES:
patent: 2346992 (1944-04-01), Palmer et al.
patent: 2825657 (1958-03-01), Mock et al.
patent: 4248770 (1981-02-01), Matsuo et al.
patent: 4302371 (1981-11-01), Matsuo et al.
patent: 4640730 (1987-02-01), Streets et al.
patent: 4764535 (1988-08-01), Leicht
Sanderson, "Resin Derivatives in Paint Products", Ind. and Eng. Chem., vol. 26, Jan. 1934.

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