Methods for inhibiting the polymerization of vinyl monomers

Details Methods for inhibiting the polymerization of vinyl monomers Methods for inhibiting the polymerization of vinyl monomers

1997-07-01

1999-01-12

Rotman, Alan L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

558463, 585507, 585520, 585614, 585615, C07C 5976, C07C 5984, C07C 5986

Patent

active

058592806

ABSTRACT:
An alpha-tocopherol is disclosed as a polymerization inhibitor effective against vinyl monomer polymerization. Alpha-tocopherol was found to inhibit polymerization of acrylonitrile and diolefines such as isoprene and butadiene. Alpha-tocopherol was found to interact synergistically with hydroquinone in inhibiting polymerization of acrylonitrile.

REFERENCES:
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patent: 5159106 (1992-10-01), Ritter et al.
patent: 5171888 (1992-12-01), Roling
patent: 5457216 (1995-10-01), Kleinknecht
patent: 5461124 (1995-10-01), Ritter et al.
Chem Abstracts 89:110589u, The Effects of Alpha-tocopherol and it's Derivative on Polymerization of Methyl Metharylate; Enmanji, Takahashi, and Kusakawa, 1978.
Chem Abstracts 103:142453u, The Effects of alpha-tocopherol on Polymerization of Methyl Methacrylate, Enmanji, 1985.
Chemical abstracts 99:23075, abstract of JP 58035131, Mar. 1, 1983.

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