Abstract
The wastes of cross-linked polyurethane resins from adipic acid and ethylene glycol polyester, methylenediisocyanate and 1,4-butandiol were subjected to linearization with ε-caprolac tam.
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References
1.
USA Patent 3954682 (1976).
2.
BRD Patent 2035175 (1972).
3.
B R D Patent 2238667 (1974).
4.
BRD Patent 2711145 (1978).