Composite particle having surface recessing or indentation

Details Composite particle having surface recessing or indentation Composite particle having surface recessing or indentation

1974-01-16

1976-05-18

Ansher, Harold

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

156 77, 156155, 156311, 264 44, 428144, 428148, 428166, 428242, 428404, B32B 1904, B32B 1700, B32B 714

Patent

active

039580636

ABSTRACT:
A particle having superior bonding properties comprising crystalline portions connected together by a bonding material. The bonding material is relieved at the surface of the particle to provide capillaries extending into the particle between adjacent crystals. This results in the fusing material having a terminal surface recessed from the surface of the particle. The particle, when added to an elastomeric material, achieves superior mechanical, chemical and vacumatic bond strength as the elastomeric material is anchored to the particles by occupation of the capillaries, achieving increased bonding area.

REFERENCES:
patent: 2194472 (1940-03-01), Jackson
patent: 2216728 (1940-10-01), Benner et al.
patent: 2740725 (1956-04-01), Ball
patent: 3093503 (1963-06-01), Laszlo
patent: R21252 (1939-10-01), Kistler

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