Polyolefin particles and process for preparing the same

Details Polyolefin particles and process for preparing the same Polyolefin particles and process for preparing the same

1987-03-02

1988-05-24

Foelak, Morton

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

521 505, 521 57, 521 59, 521 60, 522133, 525356, C08F 818, C08F10000

Patent

active

047467061

ABSTRACT:
Polyolefin particles having a halogenated surface region, which are prepared by irradiating ultraviolet rays to an aqueous dispersion of polyolefin particles in the presence of a halogen gas. The polyolefin particles having a halogenated surface region have an improved property of retaining volatile blowing agents and can provide expandable particles having an improved storability in the open state.

REFERENCES:
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patent: 3598708 (1971-08-01), Jackson, Jr.
patent: 3856766 (1974-12-01), Klug et al.
patent: 3935181 (1976-01-01), Schoen
patent: 4425206 (1984-01-01), Hutchinson
patent: 4500685 (1985-02-01), Ogawa et al.
patent: 4593050 (1986-06-01), Cohen et al.
patent: 4593075 (1986-06-01), Rifi
patent: 4602068 (1986-07-01), Bronstert
patent: 4665102 (1987-05-01), Nakagawa

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