Process for releasing laminates

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

156220, 156222, 156247, 156278, 156288, 156289, 156323, 162135, 162175, 427380, 427391, 4274198, 428172, 428202, B32B 3100

Patent

active

042630738

ABSTRACT:
A novel method of releasing from one another in a press pack, a plurality of heat and pressure consolidated resin-impregnated laminates, including those pressed back-to-back, e.g. decorative laminates, metal clad laminates, veneer backs and the like, which method comprises utilizing, as a separator sheet, a web of phenol-formaldehyde resin-free paper having a water absorption of at least about 200 seconds which has been sized on at least one side thereof, from an aqueous solution, with a water-soluble, alkaline earth or earth metal salt, e.g. a calcium salt such as calcium chloride, and then coated on said sized side with a film of a salt of alginic acid, such as sodium alginate.

REFERENCES:
patent: 2587171 (1952-02-01), Knewstubb et al.
patent: 3215579 (1965-11-01), Hagen
patent: 4035218 (1977-07-01), Yount
Stephenson, Pulp and Paper Manufacture, Preparation of Stock for Paper Making, vol. 2, First Edition, McGraw, Hill Book Co., Inc., New York, pp. 328-329.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Process for releasing laminates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for releasing laminates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for releasing laminates will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-555999

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.