Block copolymers containing polymerized lactone segments

Details Block copolymers containing polymerized lactone segments Block copolymers containing polymerized lactone segments

1984-03-15

1986-07-29

Briggs, Sr., Wilbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525106, 5253319, 5253323, 5253333, 5253592, 525370, 525386, 525385, C08F25702, C08F27902

Patent

active

046031715

ABSTRACT:
A block copolymer containing a polymerized lactone block is obtained by first treating an alkali metal-terminated base polymer with a metal compound and further reacting the resulting product with lactone monomer.

REFERENCES:
patent: 3021313 (1962-02-01), Cox et al.
patent: 3312753, Bailey
patent: 3523920 (1970-08-01), Schultz
patent: 3585257 (1971-06-01), Mueller, Jr.
patent: 3639519 (1972-02-01), Hsieh et al.
patent: 3699190 (1972-10-01), Shimomura
patent: 3867353 (1975-02-01), Hsieh et al.
patent: 4034021 (1977-07-01), Foss
patent: 4360643 (1982-11-01), Naylor

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