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Light bastose and flame-retardant polypropylene fiber composite board and method for manufacturing same

A technology of flame-retardant polypropylene and composite boards, which is applied in the fields of plant fiber, fiber treatment, textiles and papermaking, etc. It can solve the problems of complex production process, insufficient flame-retardant effect, and uneven dispersion of product raw materials, so as to improve production efficiency and facilitate molding , the effect of excellent comprehensive mechanical properties

Inactive Publication Date: 2013-05-08
SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention provides a hemp fiber / flame-retardant polypropylene fiber lightweight composite board in order to solve the problems of insufficient flame-retardant effect, relatively complicated production process, and uneven dispersion of product raw materials in the above-mentioned prior art. The board has good flame-retardant performance

Method used

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  • Light bastose and flame-retardant polypropylene fiber composite board and method for manufacturing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Weigh raw materials (kg) according to the following weight:

[0033] Jute fiber (flame retardant treatment) 25 kg, 25% by mass,

[0034] 75 kg of flame-retardant polypropylene fiber, 75% by mass,

[0035] Among them, 50kg of RF-203Ⅲ liquid environmental protection flame retardant (solid content is 25%) is used in the flame retardant treatment of hemp fiber.

[0036] The method for producing this hemp fiber / flame-retardant polypropylene fiber lightweight composite board:

[0037] Soak the unpacked chopped jute fiber (white, length 80mm) at 20°C in 50kg of flame retardant impregnation solution with a solid content of 25% for 30 minutes, and then roll it off; Dry until the moisture content of the hemp fiber is less than 5%; mix 25kg of jute fiber after flame-retardant treatment and 75kg of flame-retardant polypropylene fiber (white, length 60mm) evenly, perform opening treatment, carding and forming, and cross-lapping in the longitudinal and transverse directions , thro...

Embodiment 2

[0039] Weigh raw materials (kg) according to the following weight:

[0040] Jute fiber (flame retardant treatment) 35 kg, 35% by mass,

[0041] 65 kg of flame-retardant polypropylene fiber, 65% by mass,

[0042]Among them, 50kg of RF-203Ⅲ liquid environmental protection flame retardant (solid content is 25%) is used in the flame retardant treatment of hemp fiber.

[0043] Soak the unpacked chopped jute fiber (white, length 110mm) in 50kg of flame retardant dipping solution with a solid content of 25% at 40°C for 15 minutes, and then pad it clean; Dry until the moisture content of the hemp fiber is lower than 5%; mix 35kg of jute fiber after flame-retardant treatment and 65kg of flame-retardant polypropylene fiber (white, length 90mm) evenly, perform opening treatment, carding and forming, and cross-lapping in the longitudinal and transverse directions , through the upper and lower needling machines to form a felt to obtain hemp fiber / flame-retardant polypropylene fiber compo...

Embodiment 3

[0045] Weigh raw materials (kg) according to the following weight:

[0046] Jute fiber (flame retardant treatment) 45 kg, 45% by mass,

[0047] 55 kg of flame-retardant polypropylene fiber, 55% by mass,

[0048] Among them, 50kg of RF-203Ⅲ liquid environmental protection flame retardant (solid content 25%) is used for the flame retardant treatment of hemp fiber.

[0049] Soak the unpacked chopped jute fiber (white, length 100mm) at 30°C in 50kg of flame retardant impregnation solution with a solid content of 25% for 25 minutes, and then pad it clean; Dry until the moisture content of the hemp fiber is lower than 5%; mix 45kg of jute fiber after flame-retardant treatment and 55kg of flame-retardant polypropylene fiber (white, length 80mm) evenly, perform opening treatment, carding and forming, and cross-lap the web vertically and horizontally , through the upper and lower needling machines to form a felt to obtain hemp fiber / flame retardant polypropylene fiber composite felt;...

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Abstract

The invention discloses a light bastose and flame-retardant polypropylene fiber composite board which comprises 25-75wt% of bastose and 25-75wt% of flame-retardant polypropylene fibers. A method for manufacturing the light bastose and flame-retardant polypropylene fiber composite board includes performing flame-retardant treatment for the bastose; manufacturing the flame-retardant polypropylene fibers and the bastose which is subjected to the flame-retardant treatment into a composite felt; and performing baking and roll forming for the composite felt to obtain the light bastose and flame-retardant polypropylene fiber composite board. The light bastose and flame-retardant polypropylene fiber composite board used as an interior trim part of an automobile is environment-friendly and safe, and is excellent in flame-retardant performance owing to the flame-retardant polypropylene fibers and the flame-retardant treatment for the bastose, and potential safety hazards caused during production and service are prevented; mixed fibers are laid down in a crossed manner and the felt is formed by means of needling to form the board, raw materials are dispersed uniformly, degrees of adhesion of boundaries of the bastose and the polypropylene fibers are improved, and the board is excellent in comprehensive mechanical property; and the product is easy to form and simple in processing technology, the production efficiency can be improved, and the production cost can be reduced.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, in particular to a hemp fiber / flame-retardant polypropylene fiber lightweight composite board and a preparation method thereof. Background technique [0002] Environmental degradation, lack of resources and energy crisis have made mankind realize the importance and urgency of protecting the environment and effectively utilizing resources to achieve sustainable social and economic development. People have paid more and more attention to the use of renewable biological resources to manufacture new materials. In recent years, the use of natural plant fibers, which are the most abundant resources in nature, to replace the widely used synthetic reinforcing fibers such as glass fibers, and to develop composite materials with excellent performance and low cost has attracted great attention. [0003] Natural fibers show good application prospects due to their excellent characteristics...

Claims

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Application Information

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IPC IPC(8): D04H1/425D04H1/4291D04H1/44D04H1/46D04H1/558D06M11/00D06M13/00D06M101/06
Inventor 周一新解廷秀
Owner SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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