Polyester based adhesive

Details Polyester based adhesive Polyester based adhesive

1974-12-23

1976-11-23

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23, C08J 1104

Patent

active

039936295

ABSTRACT:
A polyester based adhesive comprising the reaction product of (a) an aromatic dicarboxylic acid and (b) a glycol component comprising (i) a mixture of ethylene glycol and at least one glycol selected from the glycols represented by the following formula (I), or (ii) a mixture of ethylene glycol, triethylene glycol, and at least one glycol selected from the glycols represented by the following formula (I): ##EQU1## wherein R.sub.1 and R.sub.3 each represents a hydrogen atom or a methyl group; R.sub.2 is (CH.sub.2 CH.sub.2 CH.sub.2).sub.x (CH.sub.2).sub.y, --CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --, --CH.sub.2 (C.sub.6 H.sub.10)CH.sub.2 --, ##EQU2## --C.sub.6 H.sub.4 --, --C.sub.10 H.sub.6 --, --C.sub.6 H.sub.4 --O--C.sub.6 H.sub.4 --, (CH.sub.2 CH.sub.2 O).sub.x CH.sub.2 CH.sub.2, --C.sub.6 H.sub.4 --C.sub.6 H.sub.4 --, --CH.sub.2 C.sub.6 H.sub.4 CH.sub.2 --, --C.sub.6 H.sub.4 --SO.sub.2 --C.sub.6 H.sub.4 --, or --C.sub.6 H.sub.4 CH=CH--C.sub.6 H.sub.4 --, and n, m, x, and y each is an integer of from 1 to 10. Alternatively, an embodiment includes a process for producing a polyester based adhesive comprising conducting an ester exchange reaction between polyethylene terephthalate and at least one glycol selected from the glycols represented by the above formula (I), or triethylene glycol and at least one glycol selected from the glycols represented by the above formula (I).

REFERENCES:
patent: 2762789 (1956-09-01), Fisher et al.
patent: 3350328 (1967-10-01), Cappucio et al.
patent: 3446758 (1969-05-01), Wiener
patent: 3453240 (1969-07-01), Plaster et al.
patent: 3492122 (1970-01-01), Takenaka et al.
patent: 3703488 (1972-11-01), Morton
patent: 3728287 (1973-04-01), Burmaster

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