Process for making a moldable fibrous mat

Details Process for making a moldable fibrous mat Process for making a moldable fibrous mat

1989-02-09

1990-01-09

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With reshaping or surface embossing of formed article

264122, 264324, B29C 3502, B29C 6900, B32B 1704, B32B 2502

Patent

active

048926957

ABSTRACT:
A process for making a fibrous mat includes the steps of (a) combining (i) glass fibers, (ii) polyolefine fibers, (iii) fibers selected from the group consisting of polyamide fibers, polyester fibers, and mixtures thereof, and (iv) a cross-linked latex binder, (b) consolidating the fibers and binder into a loosely packed mat, (c) curing the consolidated mat at a temperature in the range of about 250-400 F., and (d) molding the cured mat into a desired shape at ambient temperature.

REFERENCES:
patent: 3352954 (1967-11-01), Smith
patent: 4119746 (1978-10-01), Bleyle
patent: 4596737 (1986-06-01), Werbowy et al.
patent: 4673616 (1987-06-01), Goodwin

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