Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1988-08-31
1992-06-02
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524284, 524300, 524399, 524400, 524405, 524417, 524423, 524424, 524425, 524427, 524436, C08K 509
Patent
active
051187434
ABSTRACT:
This invention provides an ethylene-vinyl alcohol copolymer composition having specific flow characteristics in the relationship between the heating time and the extrusion rate measured with a capillary rheometer (Koka Flow Tester), and a multilayered structure utilizing the same.
From the EVOH composition according to the present invention, can be obtained a molded article, particularly a multilayered structure, having an excellent appearance; more particularly, in a continuous melt molding operation over a long period, a molded article, particularly a multilayered structure, having an excellent appearance can always be obtained without worsening the appearance with running time.
REFERENCES:
patent: 3262905 (1966-07-01), Martins
patent: 3890267 (1975-06-01), Fukushima et al.
patent: 4367305 (1983-01-01), Satoh et al.
patent: 4713296 (1987-12-01), Aoyama et al.
Aoyama Akimasa
Hirofuji Satoshi
Okaya Takuji
Ozeki Yukio
Yonezu Kiyoshi
Kuraray Co. Ltd.
Reddick J. M.
Schofer Joseph L.
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