Matte film or sheet and method for preparing same

Details Matte film or sheet and method for preparing same Matte film or sheet and method for preparing same

1994-07-13

1995-12-05

Seccuro, Jr., Carman J.

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

Synthetic resins

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

525 71, 525 73, 525 78, 525 79, 525 80, 525 88, 525221, 525222, 525227, 525240, 525196, 528503, 524505, 524436, 524425, 524343, 524528, 264348, C08J 518, C08L 5106, C08K 300, C08K 500

Patent

active

054730163

ABSTRACT:
A polyolefin-based matte film or sheet can be prepared from a polymeric blend of the preset invention comprising a propylene polymer or copolymer as component (A), a specific ethylene-.alpha.-olefin copolymer (E.alpha.O, so-called "super low-density polyethylene") as component (B), and a high-pressure radical polymerization process ethylene polymer or copolymer and/or a modified polyolefin-based resin as component (C). The above blend of the present invention may further comprise an inorganic filler as component (D) and a flame retardant as component (E). The matte films or sheets prepared from these polymeric blends are excellent in tensile modulus, flexibility, impact resistance, thermal resistance, laminating properties, flame resistance, chalking resistance, covering power, scratch resistance, and widely used for fabricating adhesive tapes, covers or cases for stationery, fashion bags, sheets for interior finish work in construction and automobile industries, and sheets for dressing steel plates.

REFERENCES:
patent: 4742106 (1988-05-01), Kamiya et al.
patent: 4748206 (1988-05-01), Nogiwa et al.
patent: 4769283 (1988-09-01), Sipinen et al.
Union Carbide--Film Extrusion Materials--1984.
Kerutz--Plasticts & Rub. Int.--VLDPE--A new class of PE Apr. 1986 vol. 11 No. 2 pp. 35-37.

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