Syndiotactic polypropylene wax, production process thereof, and

Details Syndiotactic polypropylene wax, production process thereof, and Syndiotactic polypropylene wax, production process thereof, and

1995-05-08

1997-10-14

Nutter, Nathan M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526348, 526160, 556 43, 556 53, 556 58, 502103, 502104, 502117, C08F11006

Patent

active

056774095

ABSTRACT:
Described herein are propylene waxes and a production process thereof. The waxes are each produced by polymerizing propylene in a reaction vessel while using a solid catalyst in the presence or absence of an organoaluminum compound. A hydrogen partial pressure of a gas phase in the reaction vessel, said gas phase being formed of the propylene and hydrogen, is maintained at 10% or higher. The solid catalyst is formed of a transition metal compound or a reaction product between the transition metal compound and an organometallic compound, an aluminoxane and a fine particulate carrier. Also described herein is a heating-roll fixing type toner composition composed essentially of a binder resin or a binder resin composition, a colorant and, as a releasing agent, the wax.

REFERENCES:
patent: Re31072 (1982-11-01), Jadwin et al.
patent: 4486524 (1984-12-01), Fujisaki et al.
patent: 4892851 (1990-01-01), Ewen et al.
patent: 4921771 (1990-05-01), Tomono et al.
patent: 4962262 (1990-10-01), Winter et al.
Derwent Publications Ltd., JPA-3000709, Jan. 7, 1991.
Derwent Publications Ltd., JPA-3066710, Mar. 22, 1991.

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