Varnishes for glasscloth laminates, methods of their production

Details Varnishes for glasscloth laminates, methods of their production Varnishes for glasscloth laminates, methods of their production

1981-10-15

1983-10-04

Schofer, Joseph L.

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...

524379, 428273, 525503, C08K 507

Patent

active

044080034

ABSTRACT:
The present invention relates to varnishes for use in the preparation of glasscloth laminates, methods of their production and laminates made therefrom.
The varnish is made by dissolving 100 parts of a TFP resin having a number average molecular weight of about 1000 and an oxygen content of about 8% in 60 to 65 parts of butan-2-one or isopropanol. 8 to 12 parts of hexamine are dissolved in a minimum quantity of a solvent comprising water and IMS in a ratio of about 3:5. The two solutions are thoroughly mixed and filtered to produce the varnish.
The varnish is used to prepare glasscloth laminates for use as printed circuit boards.

REFERENCES:
patent: 3691121 (1972-09-01), Anderson et al.

Affiliated with

Also associated with

Rating

Varnishes for glasscloth laminates, methods of their production does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Varnishes for glasscloth laminates, methods of their production , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Varnishes for glasscloth laminates, methods of their production will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-974768