Epoxy resin composition for high heat-resisting aluminum substrate as well as preparation method and application of epoxy resin composition
A technology of epoxy resin and novolac epoxy resin, which is applied in the direction of circuit substrate materials, printed circuit components, etc., can solve the problem of poor heat resistance of aluminum substrates, and meet the requirements of heat resistance and high heat resistance Performance and the effect of guaranteeing reliability
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[0023] Example 1:
[0024] 1. Formula of epoxy resin composition for high heat resistance aluminum substrate
[0025] Weigh the components according to the following parts by weight: 55 parts of bisphenol A novolac epoxy resin, 20 parts of phenolic resin KPH-L2002 (purchased from Kolon Chemical); 17 parts of diluent acetone.
[0026] The hydrolyzed chlorine content of the bisphenol A novolac epoxy resin (NPPN-438) is less than 300 ppm, and the epoxy value is 4.7-5.3 eq / kg.
[0027] 2. Preparation process of epoxy resin composition for high heat resistance aluminum substrate
[0028] The preparation process of the epoxy resin composition for high heat resistance aluminum substrates of the present invention includes the following steps:
[0029] S1. Weigh each component of the formula;
[0030] S2. The phenolic epoxy resin and the phenolic resin are added to the diluent, heated and stirred at 50°C until the dissolution is complete, cooled to room temperature, and stirred evenly and filtered...
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[0035] Example 2:
[0036] 1. Formula of epoxy resin composition for high heat resistance aluminum substrate
[0037] Weigh the components as follows: 65 parts of bisphenol A novolac epoxy resin, 24 parts of phenolic resin KPH-L2002 (purchased from Kolon Chemical), and 21 parts of diluent acetone. Wherein: the hydrolyzed chlorine content of the bisphenol A type novolac epoxy resin (NPPN-438) is less than 300 ppm, and the epoxy value is 4.7-5.3 eq / kg.
[0038] 2. Preparation process of epoxy resin composition for high heat resistance aluminum substrate
[0039] The preparation process of the epoxy resin composition for high heat resistance aluminum substrates of the present invention includes the following steps:
[0040] S1. Weigh each component of the formula;
[0041] S2. The phenolic epoxy resin and the phenolic resin are added to the diluent, heated and stirred at 50°C until the dissolution is complete, cooled to room temperature, and stirred evenly and filtered.
[0042] 3. Preparat...
Example Embodiment
[0046] Example 3:
[0047] 1. Formula of epoxy resin composition for high heat resistance aluminum substrate
[0048] Weigh the components as follows: 60 parts of bisphenol A novolac epoxy resin, 22 parts of phenolic resin KPH-L2002 (purchased from Kolon Chemical), and 19 parts of diluent acetone. The hydrolyzed chlorine content of the bisphenol A novolac epoxy resin (NPPN-438) is less than 300 ppm, and the epoxy value is 4.7-5.3 eq / kg.
[0049] 2. Preparation process of epoxy resin composition for high heat resistance aluminum substrate
[0050] The preparation process of the epoxy resin composition for high heat resistance aluminum substrates of the present invention includes the following steps:
[0051] S1. Weigh each component of the formula;
[0052] S2. The phenolic epoxy resin and the phenolic resin are added to the diluent, heated and stirred at 50°C until the dissolution is complete, cooled to room temperature, and stirred evenly and filtered.
[0053] 3. Preparation process of...
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