Glutarate-containing polyesterpolyols, methods of preparation an

Details Glutarate-containing polyesterpolyols, methods of preparation an Glutarate-containing polyesterpolyols, methods of preparation an

1975-10-06

1978-06-20

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252182, 260 75T, 260 75NH, 260 75NP, 260 775AM, C08G 6304, C08G 1832, C09K 300

Patent

active

040961290

ABSTRACT:
Glutarate-containing polyesterpolyols are produced by reaction of primary and/or secondary diols and/or polyols with dimethyl glutarate in the presence of a transesterification catalyst which does not have deleterious effects on the behavior of such polyesterpolyols when they are employed in the subsequent preparation of polyurethane compositions, nor on the properties of such derived polyurethane compositions. The ratios of reactants are controlled so as to obtain essentially complete conversion to hydroxyl terminated compositions of predetermined molecular weight and hydroxyl functionality. An important modification of the above polyesterpolyols is that in which they are subsequently used as polyol intermediates in the preparation of glutarate-containing co-polyesterpolyols. These hydroxyl terminated glutarate polyesters and co-polyesters are used to produce a wide variety of polyurethane compositions which exhibit unexpected and extremely useful combinations of properties. The polyurethane compositions are useful as elastomers, foams, coatings, adhesives, thermoplastics, plasticizers, etc.

REFERENCES:
patent: 3004939 (1961-10-01), Varvaro
patent: 3591561 (1971-07-01), Kazama et al.
patent: 3663515 (1972-05-01), Hostettler et al.
patent: 3666724 (1972-05-01), Hostettler
patent: 3773595 (1973-11-01), Burba et al.
patent: 3894075 (1975-07-01), Schoen
patent: 3915935 (1975-10-01), Abraham et al.
patent: 3963656 (1976-06-01), Meisert et al.

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