Copolymer containing functional group of sulfonic acid or...

Details Copolymer containing functional group of sulfonic acid or... Copolymer containing functional group of sulfonic acid or...

2007-03-05

2010-10-19

Choi, Ling-Siu (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S286000, C526S348000, C526S352000, C502S103000, C502S155000

Reexamination Certificate

active

07816474

ABSTRACT:
A copolymer comprising (i) an olefin unit selected from the group consisting of an ethylene unit and an α-olefin unit having 3 to 20 carbon atoms, and (ii) a unit of a compound represented by the formula, CH2═CH—(R1)m—SO3X; and a process for producing said copolymer comprising the step of contacting (i) the above-mentioned olefin, and (ii) the above-mentioned compound with a polymerization catalyst, wherein m is a number of 0 or 1, R1is an aliphatic hydrocarbylene group having 1 to 18 carbon atoms, and X is a mono-valent cationic species.

REFERENCES:
patent: 3128307 (1964-04-01), Franz et al.
patent: 5648400 (1997-07-01), Sugo et al.
patent: 08-260346 (1996-10-01), None
patent: 8-260346 (1996-10-01), None
Klabunde et al., “Nickel Catalysis For Ethylene Homo- And Co-Polymerization”, Journal of Molecular Catalysis, 1987, vol. 41, pp. 123-134.
Soula, R., et al., “Very Active Neutral P, O-Chelated Nickel Catalysts for Ethylene Polymerization”, Macromolecules, 2001, vol. 34, pp. 2438-2442.
Truce, W. et al., “Thietane Dioxide Derivatives via the Interaction of Sulfonyl Chlorides with Ketene Diethylacetal”, Journal of the American Chemical Society, 1963, vol. 20, pp. 3231-3236.
Klabunde, U. et al., “Nickel Catalysis For Ethylene Homo- And Co-Polymerization”, Journal of Molecular Catalysis, 1987, vol. 41, pp. 123-134.

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