Thermoplastic block copolymers based on cyclic carbonates or est

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525186, 5253331, 5253332, 5253333, 525383, 525386, C08G 6418

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active

050719211

ABSTRACT:
Thermoplastic block copolymers of the idealized formulae (I)

REFERENCES:
patent: 3585257 (1971-06-01), Mueller et al.
patent: 3598799 (1971-08-01), Naylor
patent: 3639519 (1972-02-01), Hsieh
patent: 4101522 (1978-07-01), Sheppard
patent: 4360643 (1982-11-01), Naylor
patent: 4760117 (1988-07-01), Evans
"Styrene-Diene-Lactone Block Copolymers", Journal of Applied Polymer Science, vol. 22, pp. 1119-1127 (1978).
"Block Polymers Obtained by Means of Anionic Polymerization . . . Carbonate", Die Makromolekulare Chemie, No. 12, Dec. 1986, pp. 2833-2839.
"Block Copolymerization VI Polymerization of . . . Polytetrahydrofuran", Journal of Polymer Science, vol. 11, pp. 425-434 (1973).

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