High Tg epoxy formulation with good thermal properties
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United States of America Patent
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Nov 21, 2017
Grant Date -
Mar 17, 2016
app pub date -
Jun 18, 2015
filing date -
Sep 16, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Varnish compositions and prepregs and laminates made therefrom wherein the varnish compositions include at least one first epoxy resin and at least one second epoxy resin that includes a bisphenol-A novolac epoxy resin and a harder wherein the at least one first epoxy resin and the at least one second bisphenol-A novolac epoxy resin are present in the varnish at a weight ratio ranging from about 1:1 to about 1:3.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- C09J:ADHESIVES; ADHESIVE PROCESSES IN GENERAL
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- H05K:PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAIL....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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