Storage-stable aqueous alkali metal silicate/filler adhesive com

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

156325, 156327, 156334, 524262, 524425, 524426, 524556, 524575, C09D 104, C09J 102

Patent

active

044030592

ABSTRACT:
An adhesive composition based upon an aqueous solution of alkali metal silicate with a content of powdered inorganic filler, having good storage stability, which comprises an aqueous alkali metal silicate solution containing:
(a) from 10% to 40% by weight of at least one powdered inorganic filler,
(b) a suspension effective amount of at least one zinc soap of a fatty acid having from 12 to 22 carbon atoms and
(c) from 0 to about 24% by weight of a 50% by weight stable, aqueous dispersion of an alkali-resistant organic polymer, based on the weight of the total composition.
Preferably zinc stearate in amounts of from 1% to 5% by weight are added to the adhesives containing powdered inorganic fillers and optionally organic additives on a base of aqueous water glass solutions, to prevent separation phenomena. Sodium and/or potassium silicate solutions can be used, the sodium silicate solution being preferably present in the ratio by weight of 3.3 to 3.9:1 for SiO.sub.2 /Na.sub.2 O, with a solids content of 38% to 28% by weight and the potassium silicate solution at a ratio by weight of 2 to 2.6:1 for SiO.sub.2 /K.sub.2 O, with a solids content of 40% to 29% by weight. The inorganic filler is preferably powdered crystalline calcium carbonate in the form of metamorphous calcite with particle sizes of up to 25 .mu.m.

REFERENCES:
patent: 2375163 (1945-05-01), Zemaitas
patent: 2537982 (1951-01-01), Finn
patent: 2965589 (1960-12-01), Price
patent: 2984634 (1961-05-01), Caldwell et al.
patent: 3492265 (1970-01-01), Hefley et al.
patent: 3840484 (1974-10-01), Lohr et al.
patent: 4207218 (1980-06-01), Jorgensen et al.
patent: 4254028 (1981-03-01), Ono et al.
patent: 4310457 (1982-01-01), Agarwal 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

Storage-stable aqueous alkali metal silicate/filler adhesive com does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Storage-stable aqueous alkali metal silicate/filler adhesive com, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Storage-stable aqueous alkali metal silicate/filler adhesive com will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1592997

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