Selective layering of superabsorbents in meltblown substrates

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Producing multilayer work or article

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

264518, 264113, 264119, D04H 116

Patent

active

047241144

ABSTRACT:
The invention generally provides for formation of meltblown material containing wood fiber on to a continuous foraminous belt. During formation a polymer and wood fiber first layer is applied to a moving belt from at least one bank of meltblown forming apparatus. This first layer does not contain superabsorbent. The belt carrying the first layer passes beneath at least one further source of meltblown fiber into which superabsorbent is added along with the wood fibers. This provides at least one additional layer integrally connected to the first-formed layer and having superabsorbent properties. The first layer acts to aid in trapping of any superabsorbent which is not immediately entangled in the meltblown and wood fibers and prevents it passing through the forming belt.

REFERENCES:
patent: 4100324 (1978-07-01), Anderson et al.
patent: 4103058 (1978-07-01), Humlicek
patent: 4105033 (1978-08-01), Chatterjee et al.
patent: 4297410 (1981-10-01), Tsuchiya et al.
patent: 4338371 (1982-07-01), Dawn et al.
patent: 4429001 (1984-01-01), Kolpin et al.
patent: 4433024 (1984-02-01), Eian
patent: 4500315 (1985-02-01), Pieniak et al.

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

Selective layering of superabsorbents in meltblown substrates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Selective layering of superabsorbents in meltblown substrates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Selective layering of superabsorbents in meltblown substrates will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1283247

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