Opaque pearlescent films containing blends of polymers for impro

Details Opaque pearlescent films containing blends of polymers for impro Opaque pearlescent films containing blends of polymers for impro

1984-12-27

1986-10-07

Herbert, Thomas J.

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Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428332, 4284744, 4284755, 428480, 428500, B32B 516, B32B 2706

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active

046159428

ABSTRACT:
Opaque pearlescent polymer films, e.g., polypropylene, containing finely dispersed particles of an incompatible polymer, e.g., nylon, are improved by blending a polymer compatible with the polymer forming continuous film phase to alter its melt rheology and to cause dispersion of the incompatible polymer in small spherical particles with reduced stringiness.

REFERENCES:
patent: 4076698 (1978-02-01), Anderson et al.
patent: 4377616 (1983-03-01), Ashcraft et al.
patent: 4510743 (1985-04-01), de Kroon

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