Process for fabricating a precursor sheet, particularly as book

Details Process for fabricating a precursor sheet, particularly as book Process for fabricating a precursor sheet, particularly as book

1990-09-27

1992-12-15

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

4285375, 4285428, B32B 900

Patent

active

051716275

ABSTRACT:
There is disclosed a process for impregnating a sheet of wood-based unbleached virgin fibers comprised of 20 to 95 parts of hardwood fibers and 80 to 5 parts of softwood fibers with a saturant having a T.sub.G of from 5% to -50.degree. C. and comprising of from 5 to 50 percent by weight dry basis of a resulting dried sheet wherein the hardwood and softwood fibers are produced by chemical pulping of hardwoods and softwoods.

REFERENCES:
patent: 4208459 (1980-06-01), Becker et al.
patent: 4888092 (1989-12-01), Prusas et al.

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