Process for making laminates of sheet-formed, reticulated fibrou

Details Process for making laminates of sheet-formed, reticulated fibrou Process for making laminates of sheet-formed, reticulated fibrou

1974-07-03

1976-09-14

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156306, 264 51, 264210R, 264288, 264292, 264321, B29D 2700

Patent

active

039805131

ABSTRACT:
A composite structure is prepared by extruding a molten thermoplastic resin and foaming agent through a die and simultaneously quenching and taking-up the extrudate under such conditions that the extrudate is fibrillated just as it leaves the die exit without passing through the foamed state. The unopened, sheet-formed and reticulated fibrous structures thus obtained are laminated, pulled apart and pressed. The composite product consists of a fine and uniform fibrillar structure having superior mechanical strength and pliability and are useful for a wide range of applications such as paper substitute, artificial wood veneer and the like. Colored products are also described.

REFERENCES:
patent: 3539666 (1970-11-01), Schirmer
patent: 3549470 (1970-12-01), Greenwald et al.
patent: 3562369 (1971-02-01), Chopra et al.

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