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

Inactive Publication Date: 2010-08-18
漳州市奈特新型建材有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the current water-based resin preparation technologies produce water-based resi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

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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PUM

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Abstract

The invention discloses a natural fiber resin composite and a preparation method thereof. The natural fiber resin composite is prepared from the following components in part by weight: 10-50 parts of waterborne resin, 10-50 parts of non-aqueous epoxy resin, 50-200 parts of natural fiber, 3-15 parts of water soluble hardening agent, 6-15 parts of phase transfer catalyst, 50-150 parts of filler and 100-200 parts of water. The natural fiber resin composite has the characteristics of high strength and low cost.

Description

technical field [0001] The invention relates to a natural fiber resin composite material and a preparation method thereof. Background technique [0002] Composite material is defined as a combination of two or more materials to form a new material, which has the advantages of the original two materials. At present, the fibers used in composite materials mainly include glass fiber and carbon fiber. Although carbon fiber has excellent performance, it is The production process is complicated, so the cost is very high; while the performance of glass fiber is worse than that of carbon fiber, and its quality is heavier than carbon fiber. Although the production process is simpler than carbon fiber, it is still very complicated. [0003] Compared with the above two fibers, natural fibers are easy to obtain and cheap in price, but natural fibers are not water resistant and are easily decomposed by bacteria, thus limiting their use. In order to improve the above-mentioned characteri...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08L63/02C08L63/04C08L97/02C08K5/17C08K3/34C08L67/06C08L61/06C08L61/24C08L51/08
Inventor 阮韶铭林镇辉阮榆
Owner 漳州市奈特新型建材有限责任公司
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