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Composite material reinforced through fiber

A composite material and fiber-reinforced technology, which is applied in the field of fiber-reinforced composite materials, can solve problems that affect the application range and service life of fiber-reinforced composite materials, cannot meet production needs, poor toughness and ductility, etc., to improve service life , Improve toughness and impact resistance, improve ductility

Active Publication Date: 2015-11-11
JIANGSU BOILN PLASTICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Fiber-reinforced composite materials currently on the market have good hardness and high strength, and are suitable for high-strength machinery manufacturing. However, due to the nature of the glass fiber itself, its toughness and ductility are poor. After encountering impact, its surface is easy to wear. These factors greatly affect the application range and service life of fiber-reinforced composite materials, which cannot meet the production needs of enterprises as mechanical parts in the production process.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: A composite material reinforced by fibers, the parts by weight of each component in the composite material are as follows: 20 parts of polyisoprene, 22 parts of epoxy phenolic resin, 18 parts of polyethylene, rice straw powder 10 parts, 6 parts of light calcium carbonate, 2.0 parts of dibutyl phthalate, 1.2 parts of silicate coupling agent, 3 parts of sodium dodecylbenzenesulfonate, 4.5 parts of aluminum borosilicate fiber (oxidized Sodium content 3.2%), silicon carbide whiskers 3.5 parts, zinc stearate 1 part, polyethylene wax 1.5 parts, toner 2.5 parts.

[0021] Produced through the above formula, the final composite material has a hardness of 62HRR, a transverse tensile strength of 42.13MPa, and an impact strength of 7.26KJ mm -2 , The flexural modulus of elasticity is 2121MPa.

[0022] Embodiment: 2: A kind of composite material reinforced by fibers, the parts by weight of each component in the composite material are as follows: 24 parts of polyisopre...

Embodiment 3

[0024] Example 3: A composite material reinforced by fibers, the parts by weight of the components in the composite material are as follows: 21 parts of polyisoprene, 23 parts of epoxy phenolic resin, 19 parts of polyethylene, soybean 12 parts of straw powder, 7 parts of light calcium carbonate, 2.2 parts of dioctyl sebacate, 1.3 parts of silicate coupling agent, 3.4 parts of sodium dodecylbenzenesulfonate, 4.8 parts of sodium calcium silicate fiber ( Sodium oxide content 9.8%), silicon carbide whiskers 1.4 parts, silicon nitride whiskers 1.5 parts, zinc stearate 1.5 parts, polyethylene wax 2.2 parts, toner 2.8 parts.

[0025] Produced through the above formula, the hardness of the final composite material is 61HRR, the transverse tensile strength is 45.13MPa, and its impact strength is 7.46KJ mm -2 , The flexural modulus of elasticity is 2230MPa.

Embodiment 4

[0026] Example 4: A composite material reinforced by fibers, the parts by weight of the components in the composite material are as follows: 23 parts of polyisoprene, 25 parts of epoxy phenolic resin, 21 parts of polyethylene, corn 14 parts of straw powder, 7.5 parts of light calcium carbonate, 0.8 parts of dibutyl phthalate, 0.8 parts of dioctyl phthalate, 0.8 parts of dioctyl sebacate, 1.35 parts of silicate coupling agent, 3.6 parts of sodium dodecylbenzenesulfonate, 5.2 parts of aluminoborosilicate fiber (sodium oxide content 0.8%), 2.1 parts of aluminum oxide whiskers, 2.2 parts of zinc oxide whiskers, 1.8 parts of zinc stearate, polyethylene 1.9 parts of wax, 2.7 parts of toner.

[0027] Produced through the above formula, the hardness of the final composite material is 63HRR, the transverse tensile strength is 48.22MPa, and its impact strength is 8.16KJ mm -2 , The flexural modulus of elasticity is 2298MPa.

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Abstract

The invention discloses a composite material reinforced through fiber. The composite material comprises, by weight, 20-24 parts of polyisoprene, 22-26 parts of epoxy phenolic resin, 18-22 parts of polyethylene, 10-15 parts of plant fiber powder, 6-8 parts of light calcium carbonate, 2.0-2.5 parts of plasticizer, 1.2-1.4 parts of silicate ester coupling agent, 3-4 parts of sodium dodecyl benzene sulfonate, 4.5-5.5 parts of glass fiber, 3.5-4.5 parts of inorganic crystal whiskers, 1-2 parts of zinc stearate, 1.5-2.4 parts of polyethylene wax and 2.5-3.0 parts of toner. The composite material reinforced through the fiber uses three organic polymers as raw materials, the toughness and impact resistance of the composite material are improved by the adoption of a glass fiber added inorganic crystal whisker and plant fiber powder structure under the situation that the higher harness and mechanical property of the composite material itself are ensured, and the composite material is long in service life and wide in application range.

Description

technical field [0001] The invention relates to the field of production and manufacture of composite materials, in particular to a composite material reinforced by fibers. Background technique [0002] At present, the composite materials on the market are mainly two or more materials with different properties, which are composed of materials with new properties through physical or chemical methods; since the materials themselves are divided into organic materials and inorganic materials, the two have different properties. However, by combining the two with each other, a synergistic effect is produced, and the comprehensive performance of the composite material obtained after the final mixing and combination is far superior to that of the original material, and the practical effect is better. [0003] Fiber-reinforced composite materials currently on the market have good hardness and high strength, and are suitable for high-strength machinery manufacturing. However, due to th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/14C08L47/00C08L23/06C08L97/02C08K13/06C08K9/06C08K7/14C08K3/26C08K7/10C08K5/12C08K7/08C08K5/098
Inventor 龚伟
Owner JIANGSU BOILN PLASTICS CO LTD
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