Process for producing hydroxytelechelic oligomers and polymers b

Details Process for producing hydroxytelechelic oligomers and polymers b Process for producing hydroxytelechelic oligomers and polymers b

1978-04-17

1980-07-15

Turer, Richard B.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415924, 20415922, 526212, 526264, 526303, 526317, 526319, 5263297, 5263402, 526341, 526344, 5263471, 5263486, 5263487, C08F 246, C08F 400

Patent

active

042127181

ABSTRACT:
The process enables the simultaneous production of hydroxytelechelic polymers and oligomers by the radical route. At least one ethylenically unsaturated monomer is polymerized in the presence of hydrogen peroxide under the effect of ultra-violet radiation. The polymerization is carried out in a diluent medium comprising essentially an alcohol. The process can be operated to produce polymers having average molecular weights between one hundred and one million and to produce selectively unimodal, bi-modal or multi-modal distributions of molecular weights.

REFERENCES:
patent: 3137737 (1964-06-01), Emrick et al.
patent: 3673168 (1972-06-01), Burke, Jr. et al.
patent: 3716524 (1973-02-01), Cenci
Pinazzi et al, Jrnl. of polymer Science Symposium No. 42, 11-19 (1973).

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