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Epoxy/poss/carbon fiber nanocomposite material for lightweight sports equipment and preparation method thereof

A nano-composite material and carbon fiber technology, applied in the field of nano-composite materials, can solve the problems of difficult toughening and reinforcement, and achieve the effects of improving shock absorption, strength and impact resistance.

Inactive Publication Date: 2011-12-14
XIAMEN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many similar reports on block polymers, the main disadvantage of which is that it is difficult to achieve toughening and strengthening at the same time.

Method used

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  • Epoxy/poss/carbon fiber nanocomposite material for lightweight sports equipment and preparation method thereof
  • Epoxy/poss/carbon fiber nanocomposite material for lightweight sports equipment and preparation method thereof
  • Epoxy/poss/carbon fiber nanocomposite material for lightweight sports equipment and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 1) 10 mmol of epoxy resin Denacol EX251 (bisphenol S-type glycidyl ether) + 1 mmol of POSS (2), react at 110° C. for 3 hours to obtain a mixed solution containing modified POSS, and set aside.

[0032] 2) Mix the modified POSS obtained in step 1 with the butanone solution of Denacol EX251 and triethylenetetramine in an equal stoichiometric ratio, control the viscosity of the solution at room temperature to 1 kcps, and set aside.

[0033] 3) After impregnating the carbon fibers in the above solution, wind them on the release paper tube according to the designed geometric network. After the solvent evaporates, cut the paper tube to obtain the epoxy-coated carbon fiber mesh surface.

[0034] 4) The epoxy-coated carbon fiber grid surface obtained in step 3 is curled and designed into a tennis racket shape and placed in a mold. After curing and demoulding, a tennis racket made of epoxy / POSS / carbon fiber nanocomposite is obtained. Wherein the POSS content is 1 wt%, and the ca...

Embodiment 2～6

[0037] The POSS (2) of step 1 is changed into POSS (1), POSS (3), POSS (4), POSS (5), POSS (6) respectively; All the other are with embodiment 1. The mechanical properties of the prepared epoxy / POSS / carbon fiber nanocomposites are shown in Table 2.

Embodiment 7

[0039] 1) Use 5mmol epoxy resin Epikote825 (bisphenol A glycidyl ether) + 1mmol POSS (11), react at 170°C for 10h to obtain a mixed solution containing modified POSS. spare.

[0040] 2) Prepare a methyl ethyl ketone solution of the component Epikote825+4,4-diaminodiphenylmethane+modified POSS (equal stoichiometric ratio) obtained in step 1, with a room temperature viscosity of 10 kcps. spare.

[0041] 3) Wrap the carbon fiber impregnated with the solution in step 2 on the paper tube according to the designed geometric network, and after the solvent evaporates, cut the paper tube to obtain an epoxy-coated carbon fiber mesh surface.

[0042] 4) The epoxy-coated carbon fiber grid surface obtained in step 3 is curled and designed into a product form, placed in a mold, cured, and demoulded to obtain an epoxy / POSS / carbon fiber nanocomposite material. After curing and demoulding, an epoxy / POSS / carbon fiber nanocomposite material is obtained, wherein the POSS content is 5 wt%, and t...

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PUM

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Abstract

An epoxy / POSS / carbon fiber nanocomposite material used for lightweight sports equipment and a preparation method thereof relate to a nanocomposite material. The nanocomposite material includes carbon fiber, POSS and cured epoxy resin, 20%-60% of carbon fiber, 0.5%-20% of POSS, and 30%-70% of cured epoxy resin. React POSS with epoxy resin or curing agent to obtain modified POSS; impregnate carbon fiber in the butanone solution of epoxy resin + curing agent + modified POSS prepared according to stoichiometry to obtain epoxy and POSS-coated carbon fiber mesh Grid surface; then curl the grid surface into the designed product shape, place it in the mold for curing, and demould to obtain the epoxy / POSS / carbon fiber nanocomposite material. Through the addition of POSS, the impact resistance, elastic modulus and hardness of the matrix, wear resistance, fatigue aging and shock absorption are effectively improved. Various mechanical performance indexes are superior to existing epoxy carbon fiber composite materials.

Description

technical field [0001] The invention relates to a nanocomposite material, in particular to an epoxy / POSS / carbon fiber nanocomposite material mainly used in the manufacture of lightweight sports equipment, especially tennis rackets and badminton rackets, and a preparation method thereof. Background technique [0002] The development of competitive sports has put forward higher requirements for the materials of sports equipment. Materials close to aerospace industry and military industry products have been used in modern sports equipment manufacturing. It has been found that by mixing carbon fiber with plastic, the resulting material can rival aluminum alloys in formability and rigid strength, but can be greatly reduced in weight. [0003] US 20080166511, US 20030124355, US 20030082385, US 7005185, US 7005185 disclose the preparation, process and application of carbon fiber / epoxy composite materials. Epoxy carbon fiber composite material is a composite material prepared from...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08K7/06C08K5/5415C08J5/04
Inventor 戴李宗邓远名白清栋许一婷
Owner XIAMEN UNIV
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