Natural fiber resin composite and preparation method thereof
A technology of resin composite material and natural fiber, which is applied in the field of natural fiber resin composite material and its preparation, can solve the problems of brittleness of water-based resin and is not suitable for the manufacture of high-definition composite materials, and achieves low production cost, improved water resistance and resistance The effect of bacterial decomposition performance and excellent water repellency
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Embodiment 1
[0025] Get 40g of water-based bisphenol A epoxy resin BE188 (water-based epoxy resin) by weight, bisphenol A epoxy resin BE188 (non-water-based epoxy resin, produced by Taiwan Changchun Chemical Industry Group) 20g, wood powder (natural fiber) 100g, diethylenetriamine (water soluble hardener) 5g, polyethylene glycol (phase transfer catalyst) 10g, starch (filler) 5g, silicon powder (filler) 100g and water 100g.
[0026] Among them, the water-based bisphenol A epoxy resin BE188 is obtained in the following manner: take another 30 g of bisphenol A epoxy resin BE1888 and 10 g of 4,4-azobis(4-cyanovaleric acid) as raw materials, and prepare the bisphenol A ring Oxygen resin BE188 and 4,4-azobis(4-cyanovaleric acid) were mixed in a reaction kettle, and obtained after pressurized reaction at 150°C for 1 hour.
[0027] Mix bisphenol A epoxy resin BE188 into water-based bisphenol A epoxy resin BE188, then add wood flour, polyethylene glycol, starch, silicon powder and water, mix with a...
Embodiment 2
[0032] Take water-based bisphenol A epoxy resin BE188 (water-based epoxy resin) 14g by weight, bisphenol A epoxy resin BE188 (non-water-based epoxy resin, produced by Taiwan Changchun Chemical Industry Group) 50g, wood powder (natural fiber) 50g, diethylenetriamine (water-soluble hardener) 3g, polyethylene glycol (phase transfer catalyst) 6g, starch (filler) 5g, silicon powder (filler) 45g and water 200g.
[0033] Among them, the water-based bisphenol A epoxy resin BE188 is obtained by the following method: take another 10 g of bisphenol A epoxy resin BE1888 and 4, 4-azobis (4-cyanovaleric acid) as raw materials, and the bisphenol A ring Oxygen resin BE188 and 4,4-azobis(4-cyanovaleric acid) were mixed in a reaction kettle, and obtained after pressurized reaction at 150°C for 1 hour.
[0034] Mix bisphenol A epoxy resin BE188 into water-based bisphenol A epoxy resin BE188, then add wood flour, ethylene glycol, starch, silicon powder and water to mix with a kneader, and then ad...
Embodiment 3
[0039] Take water-based bisphenol A epoxy resin BE188 (water-based epoxy resin) 50g, bisphenol A epoxy resin BE188 (non-water-based epoxy resin, produced by Taiwan Changchun Chemical Industry Group) 10g, wood powder (natural fiber) 200g, two Ethylenetriamine (water-soluble hardener) 15g, polyethylene glycol (phase transfer catalyst) 15g, starch (filler) 50g, silicon powder (filler) 100g and water 150g.
[0040] Among them, the water-based bisphenol A epoxy resin BE188 is obtained by the following method: take another 30 g of bisphenol A epoxy resin BE1888 and 20 g of 4,4-azobis (4-cyanovaleric acid) as raw materials, and prepare the bisphenol A ring Oxygen resin BE188 and 4,4-azobis(4-cyanovaleric acid) were mixed in a reaction kettle, and obtained after pressurized reaction at 150°C for 1 hour.
[0041] Mix bisphenol A epoxy resin BE188 into water-based bisphenol A epoxy resin BE188, then add wood flour, polyethylene glycol, starch, silicon powder and water, mix with a kneade...
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