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Fibrofelt material and preparation method and application thereof

A fiber felt and fiber technology, applied in the field of fiber felt materials and its preparation, can solve the problems of increased pollution, secondary damage, etc., and achieve the effects of good sound absorption, low cost, and broad market application prospects

Inactive Publication Date: 2016-11-09
宁波华翔自然纤维科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, with the extensive use of plastics, the pollution it brings has also increased significantly.
[0004] In addition, tra

Method used

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  • Fibrofelt material and preparation method and application thereof
  • Fibrofelt material and preparation method and application thereof
  • Fibrofelt material and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0028] Example 1:

[0029] Take wood fiber with a diameter of 0.03 mm and a length-to-diameter ratio of 150:1 to mix evenly with polypropylene fiber to obtain a mixed fiber raw material, where wood fiber accounts for 60% of the mixed fiber raw material, and polypropylene fiber accounts for 60% of the mixed fiber raw material. Is 40%. Then, acrylic resin binder is added to the mixed fiber raw material, mixed evenly, and pressed at a high temperature of 280° C. with an 800-ton press to form a fiber mat material. The mass percentage of fibers in the fiber mat material is 80%, and the mass percentage of binder is 20%.

Example Embodiment

[0030] Example 2:

[0031] Take wood fiber and polypropylene fiber with a diameter of 0.03 mm and a length-to-diameter ratio of 150:1. The surface of the wood fiber is wrapped with an acrylic resin binder, and then the two fibers are uniformly mixed to obtain a mixed fiber raw material, of which wood fiber accounts for the mixed fiber raw material The mass percentage of polypropylene fiber is 70%, and the mass percentage of the mixed fiber raw material is 30%. Then, acrylic resin binder is added to the mixed fiber raw material, mixed evenly, and pressed at a high temperature of 280° C. with an 800-ton press to form a fiber mat material. The mass percentage of fibers in the fiber mat material is 80%, and the mass percentage of binder is 20%.

Example Embodiment

[0032] Example 3:

[0033] Take wood fiber and polypropylene fiber with a diameter of 0.03 mm and a length-to-diameter ratio of 150:1. The surface of the wood fiber is wrapped with an acrylic resin binder, and then the two fibers are uniformly mixed to obtain a mixed fiber raw material, of which wood fiber accounts for the mixed fiber raw material The mass percentage of polypropylene fiber is 80%, and the mass percentage of the mixed fiber raw material is 20%. Then, acrylic resin binder is added to the mixed fiber raw material, mixed evenly, and pressed at a high temperature of 280° C. with an 800-ton press to form a fiber mat material. The mass percentage of fibers in the fiber mat material is 85%, and the mass percentage of binder is 15%.

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Abstract

The invention relates to a fibrofelt material and a preparation method and application thereof. The fibrofelt material is mainly composed of, by mass percentage, 80-90% of fibers and 10-20% of adhesive. The fibers comprise, by mass percentage, 60-90% of wood fibers and 10-40% of synthetic fibers. The preparation method includes the steps that the wood fibers, the synthetic fibers and the adhesive are mixed and subjected to high-temperature compression molding, and the fibrofelt material is obtained. The fibrofelt material is simple in preparation method and suitable for large-scale industrialized production. The prepared fibrofelt material is low in density and can well solve the problem of lightweight of automobiles after being applied to automobile parts, and the energy-saving and environmental protection purposes are achieved; debris and sharp edges cannot be generated when collision occurs, a good protection role is played for drivers and passengers, and secondary harm can be avoided; besides, good functions of sound absorption, noise reduction and the like are also achieved.

Description

technical field [0001] The invention relates to a fiber felt material and its preparation method and application, belonging to the technical field of fiber materials. Background technique [0002] With the development of the economy and the improvement of people's living standards, my country's transportation industry continues to grow, and automobile production and consumption continue to grow. Under the general situation that the world requires energy conservation and environmental protection, the rapid development of the transportation industry is also facing problems in energy consumption, emissions and environmental protection. The fuel consumption of a car is not only determined by the performance of the engine, but also closely related to the weight of the vehicle. The lighter the weight of the car, the energy consumption, fuel consumption and pollutant emissions during use will be significantly reduced, which is the most effective way to achieve energy saving and en...

Claims

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Application Information

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IPC IPC(8): D04H1/4382D04H1/425D04H1/43D04H1/4291D04H1/435D04H1/587
CPCD04H1/4382D04H1/425D04H1/4291D04H1/43D04H1/435D04H1/587
Inventor 孙峻周明强邹锦莹
Owner 宁波华翔自然纤维科技有限公司
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