Process for adding magnesium oxide to film forming vinylidene ch

Details Process for adding magnesium oxide to film forming vinylidene ch Process for adding magnesium oxide to film forming vinylidene ch

1981-02-02

1982-11-23

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642106, 264349, 523351, B29B 104, B29F 302

Patent

active

043604897

ABSTRACT:
An improved process for adding magnesium oxide to polymeric compositions based on vinylidene chloride copolymers. The improvement comprises forming a pre-mixture of the magnesium oxide and an ethylene-vinylalkanoate dispersing medium or agent and thereafter blending an amount of the pre-mixture with the vinylidene chloride copolymer composition.

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patent: 3891598 (1975-06-01), Marzolf
patent: 4046849 (1977-09-01), Lever et al.
patent: 4102974 (1978-07-01), Boni

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