Oxyethylated aromatic amines and their use as chain extenders in

Details Oxyethylated aromatic amines and their use as chain extenders in Oxyethylated aromatic amines and their use as chain extenders in

1984-10-18

1986-06-24

Welsh, Maurice J.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

2643281, 2643286, 2643288, 521159, 521167, 528 60, 528 77, C08G 1814

Patent

active

045966850

ABSTRACT:
This invention relates to oxyethylated toluenediamine and diaminodiphenylmethane and their use as chain extenders in the preparation of polyurethane-polyurea elastomers.

REFERENCES:
patent: 3159591 (1964-12-01), Lanham
patent: 3499009 (1970-03-01), Odinak et al.
patent: 3597371 (1971-08-01), Britain
patent: 4209609 (1980-06-01), Haas
patent: 4342842 (1982-08-01), Hira et al.
patent: 4397966 (1983-08-01), Stolz et al.

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