Adhesive suitable for HDI copper-clad plate as well as preparation method and application of adhesive
The invention relates to an adhesive suitable for an HDI copper-clad plate and a preparation method of the adhesive. The adhesive comprises the following components in parts by weight: 10-30 parts of novolac epoxy resin, 20-50 parts of polyfunctional epoxy resin, 20-50 parts of benzoxazine resin, 10...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to an adhesive suitable for an HDI copper-clad plate and a preparation method of the adhesive. The adhesive comprises the following components in parts by weight: 10-30 parts of novolac epoxy resin, 20-50 parts of polyfunctional epoxy resin, 20-50 parts of benzoxazine resin, 10-30 parts of a phosphorus-containing curing agent, 0.001-1 part of an imidazole accelerant, 60-150 parts of inorganic filler and 20-80 parts of an organic solvent. The Tg of the epoxy glass cloth-based copper-clad plate prepared by adopting the adhesive disclosed by the invention is more than 160 DEG C (DSC); the Z-axis CTE is less than 3.0%; in terms of heat resistance, TD is greater than or equal to 380 DEG C, and T288 is greater than 60 minutes; the peel strength (1OZ) of the copper foil is greater than 1.2 N/mm; in addition, the copper-clad plate has very low water absorption and good machining performance and dimensional stability, the flame retardance reaches the UL94V-0 level, and the prepared copper-clad pl |
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