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Waste spinning regenerated composite fiber board and its preparation method and application

A composite fiber and fiberboard technology, which is applied in the field of waste spinning and regenerated composite fiberboard and its preparation, can solve the problems of high preparation cost, low utilization rate of waste textiles, and high requirements for raw materials of recycled fiberboard, so as to reduce production costs, reduce workload, and solve the The effect of low recycling rate

Active Publication Date: 2022-06-10
鼎缘(杭州)纺织品科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The first purpose of the present invention is to provide a preparation method of waste spinning regenerated composite fiberboard, so as to alleviate the technical problems of high raw material requirements for regenerated fiberboard, low utilization rate of waste textiles and high preparation cost in the prior art

Method used

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  • Waste spinning regenerated composite fiber board and its preparation method and application

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preparation example Construction

[0034] The waste textiles are opened to obtain waste spinning fibers, and the waste spinning fibers include waste spinning chemical fibers;

[0038] The melting point of the low-melting fiber is 130-170 °C.

[0041] In a preferred embodiment, (a) the content of the low-melting fiber in the first fiberboard obtained is 40-50w / w%,

[0042] In a preferred embodiment, (b) the content of the low-melting fiber in the second fiberboard obtained is 35-45w / w%,

[0043] In a preferred embodiment, the conditions for thermocompression bonding in (c) include: a temperature of 160-170° C. and a pressure of 8-12MPa.

[0045] In a preferred embodiment, the low melting point fibers comprise monocomponent low melting point fibers and / or composite component low melting point fibers

[0048] The present invention provides the waste spinning regenerated composite fiberboard prepared by the above preparation method. The waste spinning recycler provided by the present invention

[0049] The present inven...

Embodiment 1

[0059] The first fiberboard and the second fiberboard are cut into the same size, and the temperature is 160 ° C and the pressure is 10 MPa

Embodiment 2

[0067] The first fiberboard and the second fiberboard are cut into the same size, and the temperature is 150°C and the pressure is 12MPa.

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Abstract

The invention relates to the field of recycling waste textiles, in particular, it provides a waste spinning regenerated composite fiberboard and its preparation method and application. The invention provides a method for preparing waste spinning regenerated composite fiberboard. Combining the two non-woven processes of carding and air laying, waste spinning chemical fibers and low melting point fibers are used to prepare the first fiberboard, waste spinning fibers and low melting point fibers The second fiber board is prepared, and then the two are combined to obtain a waste spinning regenerated composite fiber board. The preparation method improves the adaptability of the waste spinning fiber and the production process, better solves the problem of low recycling rate of waste textiles in the prior art, realizes 100% utilization of waste textiles, and avoids the use of rubber powder at the same time. Formaldehyde pollution will not be generated during the production process and subsequent use. The waste spinning regenerated composite fiber board provided by the invention has sound insulation, sound absorption and heat preservation performances, and is pollution-free.

Description

Waste spinning regenerated composite fiber board and its preparation method and application technical field The present invention relates to waste textile recycling field, specifically, relate to a kind of waste spinning regenerated composite fiberboard and preparation method and application thereof. Background technique [0002] With the rapid development of the economy and the continuous improvement of people's living standards, the consumption of clothing continues to increase. People's Dressing concepts are changing with each passing day, and the life cycle of textiles is greatly shortened, resulting in a gradual increase in the use of textile fibers. At the same time, waste textiles are also increasing day by day. There are various sources of waste textiles, mainly including: in the process of clothing and raw material processing, due to chemical operations and mechanical During processing, waste fabrics will inevitably be produced. Such fabrics are less pollut...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/02B32B5/06B32B27/12B32B33/00B32B37/06B32B37/10B32B37/12B32B38/00D04H1/4382D04H1/46D04H1/541D04H1/542E04F13/075
CPCB32B5/02B32B5/26B32B5/06B32B27/12B32B37/10B32B37/06B32B37/12B32B38/00B32B33/00D04H1/4382D04H1/46D04H1/541D04H1/542E04F13/0875E04F2290/041B32B2307/102B32B2307/304B32B2601/00B32B2038/008B32B2262/0253B32B2250/02B32B2250/20
Inventor 王艳丽
Owner 鼎缘(杭州)纺织品科技有限公司
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