Extrusion of polyolefin onto paper at decreased temperatures

Details Extrusion of polyolefin onto paper at decreased temperatures Extrusion of polyolefin onto paper at decreased temperatures

1975-05-30

1977-04-26

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Including interfacial reaction product of adjacent layers

156244, 156310, 428476, 428513, 428516, 428517, B32B 2710, B32B 2732, B32B 2730

Patent

active

040202151

ABSTRACT:
By coating a paper substrate first with a polyalkyleneimine and then with a polymer containing groups which react chemically with the imino groups of the polyalkyleneimine, a polyolefin can be extruded onto the substrate with good adhesion at temperatures lower than the temperature that would be required to obtain the same degree of adhesion if the polymer containing the reactive groups were not present.

REFERENCES:
patent: 3076720 (1963-02-01), Rice et al.
patent: 3077428 (1963-02-01), Heuser et al.
patent: 3198692 (1965-08-01), Bridgeford
patent: 3230135 (1966-01-01), Hurst
patent: 3510342 (1970-05-01), Demmig et al.
patent: 3622439 (1971-11-01), Manne et al.
patent: 3836620 (1974-09-01), Bhuta et al.
patent: 3993850 (1976-11-01), Timmerman et al.

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