Treatment of coupled polymers prior to hydrogenation

Details Treatment of coupled polymers prior to hydrogenation Treatment of coupled polymers prior to hydrogenation

1976-06-08

1978-02-28

Hamrock, William F.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260880R, 260880B, 526 26, 526 29, 526 47, 526 473, C08F 804

Patent

active

040769151

ABSTRACT:
Treating a silicon-coupled or germanium-coupled conjugated diene polymer with a hydrocarbonlithium, -sodium, -potassium, -calcium, -magnesium, -zinc or -aluminum compound after the coupling step and prior to hydrogenation.

REFERENCES:
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patent: 2864809 (1958-12-01), Jones et al.
patent: 2975160 (1961-03-01), Zelinski
patent: 2997453 (1961-08-01), Short et al.
patent: 3113986 (1963-12-01), Breslow
patent: 3317503 (1967-05-01), Naylor
patent: 3350380 (1967-12-01), Strobel
patent: 3468972 (1969-09-01), Hsieh
patent: 3492369 (1970-01-01), Naylor
patent: 3692874 (1972-09-01), Farrar et al.
patent: 3852252 (1974-12-01), DeVault et al.

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