Barrier resins and impact modifiers therefor

Details Barrier resins and impact modifiers therefor Barrier resins and impact modifiers therefor

1972-04-27

1976-02-17

Turer, Richard B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 297UA, 260 4595R, 260 8081, 260880R, 426106, C08L 5100, C08L 5300

Patent

active

039392236

ABSTRACT:
Polymers having low permeability to gases and vapors and yet high heat stability and creep resistance are prepared by a novel method of polymerizing acrylonitrile, a vinylidene aromatic monomer such as styrene and an olefinic ester such as methyl methacrylate. Conjugated diene-based impact modifiers for said polymers are disclosed, as well as impact-resistant blends of said polymers and said impact modifiers. The blends are useful for packaging materials in applications wherein high thermoformability and processability, as well as excellent barrier properties and heat stability, color stability, and creep resistance are desired.

REFERENCES:
patent: 3449471 (1969-06-01), Weitzel et al.
patent: 3451538 (1969-06-01), Trementozzi
patent: 3463833 (1969-08-01), Isogawa et al.
patent: 3524536 (1970-08-01), Terenzi et al.
patent: 3555119 (1971-01-01), Ingulli et al.
patent: 3615710 (1971-10-01), Lee et al.
patent: 3720339 (1973-03-01), Khetaui

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