Modified isocyanate compositions

Details Modified isocyanate compositions Modified isocyanate compositions

1977-05-27

1978-11-14

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 336R, 260 336UB, 260859R, 528 49, 528 73, 521902, 428424, 428425, C08L 700

Patent

active

041254910

ABSTRACT:
Partially trimerized tolylene diisocyanate is made to react with a secondary aliphatic amine containing 24-36 carbon atoms or a mixture of such amine with an aliphatic alcohol containing 12-24 carbon atoms providing together 0.02-0.25 equivalent of active hydrogen per equivalent of free isocyanate groups. The resulting product is well dispersible in blends of aromatic and aliphatic hydrocarbons. Dispersions containing the above reaction product and an elastomer find application as adhesives or surface-coating compositions.

REFERENCES:
patent: 2683727 (1954-07-01), Mastin et al.
patent: 2683728 (1954-07-01), Mastin et al.
patent: 3100759 (1963-08-01), Boussu et al.
patent: 3860673 (1975-01-01), Lawrence
patent: 3926875 (1975-12-01), Tsugukuni et al.
patent: 3992316 (1976-11-01), Pedain et al.
Saunders et al. - Polyurethanes- I. Chemistry (Interscience) (N.Y.) (1962), p. 120.
Shaw- New Information About Urethane Coatings (Du Pont Technical Bulletin), (1963).

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