Base material for an aluminum offset printing plate

Details Base material for an aluminum offset printing plate Base material for an aluminum offset printing plate

1988-04-26

1990-07-31

Buffalow, Edith

Stock material or miscellaneous articles

Composite

Of metal

101456, 101467, B32B 900

Patent

active

049450042

ABSTRACT:
The invention is directed toward a base material for aluminium offset printing plates having improved heat stability comprising an aluminum alloy consisting of from about 0.2 to about 0.6% by weight of iron, less than about 0.25% by weight silicon and copper combined, from about 0.1 to about 0.3% by weight manganese and the remainder being aluminum and trace production impurities, said base material further characterized as containing secondary precipitates in the form of phases of the Al Mn Si: Al Fe: Al Mn type which bear a ratio to one another of from about 1:1:2 to about 1:1:3, the mean particle size being from about 0.25 to about 0.010 micron with a maximum particle size of less than about 0.3 micron and further containing a precipitation structure with a degree of dispersion of less than about 50 phases per cubic micron and a process for producing such material. The sheet material according to this invention may be uniformly roughened in either HCl or HNO.sub.3 electrolyte baths under very similar process parameters.

REFERENCES:
patent: 3911819 (1975-10-01), Pryor et al.
patent: 3944439 (1976-03-01), Pryor et al.
patent: 4098619 (1978-07-01), Franz
patent: 4686083 (1987-08-01), Takizawa et al.

Affiliated with

Also associated with

Rating

Base material for an aluminum offset printing plate does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Base material for an aluminum offset printing plate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Base material for an aluminum offset printing plate will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1398296