Stock material or miscellaneous articles – Layer or component removable to expose adhesive
Patent
1995-11-21
1997-09-23
Ahmad, Nasser
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
40665, 428 413, 428 417, 4283155, 4283157, 4283159, 428354, 428910, 524483, 525179, 525180, 525189, 525240, 525436, 525537, B42D 1500
Patent
active
056702256
ABSTRACT:
A uniaxially stretched multilayered film obtained by uniaxially stretching a laminated film at a stretch ratio of from 3 to 10 to form many closed fine voids in each layer, said laminated film comprising a base layer (A) made of a resin composition comprising resinous ingredients comprising from 50 to 90% by weight crystalline polyolefin (a) and from 50 to 10% by weight thermoplastic resin (b) having a lower melting point than the crystalline polyolefin (a) and an inorganic fine powder (c) in an amount of from 0 to 35% by weight based on the sum of the weight of the resinous ingredients and, formed on at least one side of said base layer (A), a surface layer (B) made of a resin composition comprising from 20 to 80% by weight inorganic fine powder (d) and from 80 to 20% by weight crystalline polyolefin (e), said uniaxially stretching being conducted at a temperature lower than the melting point of said crystalline polyolefin (a) and lower than the melting point of said crystalline polyolefin (e) but at a temperature higher than the melting point of said thermoplastic resin (b).
REFERENCES:
patent: 4986866 (1991-01-01), Ohba
patent: 5318817 (1994-06-01), Ohno
Shiina Masaki
Yamanaka Masaaki
Ahmad Nasser
Oji-Yuka Synthetic Paper Co., Ltd.
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