Polybutene resin laminate

Details Polybutene resin laminate Polybutene resin laminate

1992-03-20

1993-08-17

Buffalow, Edith

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428516, 428520, 428349, B32B 702

Patent

active

052367746

ABSTRACT:
A polybutene resin laminate comprising an intermediate layer (a) mainly comprising a butene-propylene copolymer (A) containing 15 to 40% by mole of propylene, said copolymer (A) having a melt flow rate in the range of from 0.1 to 30 g/10 min.; and an upper surface layer (b1) and a lower surface layer (b2) disposed on both sides of said intermediate layer (a), said surface layers mainly comprising a polyolefin resin (B). The laminate has excellent transparency, stretchability, flexibility, smoothness, heat sealability and self-adhesion, and may be stretched without undergoing generation of wrinkles and decrease in transparency and fastening properties.

REFERENCES:
patent: 4713282 (1987-12-01), Yazaki et al.
patent: 5030506 (1991-07-01), Yamawaki et al.
patent: 5093189 (1992-03-01), Yamawaki

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