A kind of high toughness, impact resistance, high flexibility epoxy potting glue and preparation method thereof
An impact-resistant, potting adhesive technology, applied in the field of potting adhesives, can solve problems such as insufficient cross-linking density, lower heat resistance, and insufficient rigidity of cured products, and achieve stable curing rate, small heat release, and good flexibility. Effect
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Embodiment 1
[0039] A high-toughness, impact-resistant, high-flexibility epoxy potting adhesive of the present invention, comprising A component and B component with a mass ratio of 10:1, wherein A component is composed of the following raw materials:
[0040]
[0041] Component B consists of the following raw materials:
[0042] Mixture of Huntsman D230 and T403 35g;
[0043] Hyperbranched curing agent (complex of hyperbranched polyethyleneimine and isophorone diamine) 25g and DMP-302g.
[0044] The preparation method of the high toughness, impact resistance and high flexibility epoxy potting glue of the present embodiment comprises the following steps:
[0045] (1) Preparation of matrix resin component system (component A): add 70g of liquid nitrile rubber-modified bisphenol A epoxy resin to the high-speed disperser kettle, and then add 5g of Bluestar Chemical’s 0192 type After the CYH-277 hyperbranched reactive diluent of epoxy resin, 5g is mixed homogeneously, then add the R974 fume...
Embodiment 2
[0049] A high toughness, impact resistance and high flexibility epoxy potting compound of the present invention, comprising A component and B component with a mass ratio of 15:1, wherein A component is composed of the following raw materials:
[0050]
[0051] Component B consists of the following raw materials:
[0052] Mixture of Huntsman D2000 and T403 20g;
[0053] Hyperbranched curing agent (complex of hyperbranched polyethyleneimine and isophorone diamine) 40g and triethanolamine 3g.
[0054] The preparation method of the high toughness, impact resistance and high flexibility epoxy potting glue of the present embodiment comprises the following steps:
[0055] (1) Preparation of the matrix resin component system (component A): add 100g of liquid nitrile rubber-modified bisphenol F epoxy resin to the high-speed disperser kettle, and then add 10g of Bluestar Chemical’s 0193H type Epoxy resin, 10g of CYH-277-S hyperbranched reactive diluent are mixed evenly, then add 5g...
Embodiment 3
[0059] A high-toughness, impact-resistant, high-flexibility epoxy potting adhesive of the present invention, comprising A component and B component with a mass ratio of 20:1, wherein A component is composed of the following raw materials:
[0060]
[0061] Component B consists of the following raw materials:
[0062] Huntsman ED-600 and EDR-176 mixture 50g;
[0063] Hyperbranched curing agent (complex of hyperbranched polyethyleneimine and isophorone diamine) 50g and resorcinol 5g.
[0064] The preparation method of the high toughness, impact resistance and high flexibility epoxy potting glue of the present embodiment comprises the following steps:
[0065] (1) Preparation of matrix resin component system (component A): add 130g of liquid nitrile rubber-modified bisphenol A epoxy resin to the high-speed disperser kettle, and then add 20g of Bluestar Chemical’s 0191H type Epoxy resin, 18 parts of CYH-277-S hyperbranched reactive diluent are mixed evenly, then add 10 parts ...
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