CN215251465U - Regenerated carbon fiber and thermoplastic fiber blended yarn - Google Patents
Regenerated carbon fiber and thermoplastic fiber blended yarn Download PDFInfo
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- CN215251465U CN215251465U CN202120789964.4U CN202120789964U CN215251465U CN 215251465 U CN215251465 U CN 215251465U CN 202120789964 U CN202120789964 U CN 202120789964U CN 215251465 U CN215251465 U CN 215251465U
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Abstract
The utility model discloses a regeneration carbon fiber and thermoplastic fiber blending yarn, including an at least branch of regeneration carbon fiber and thermoplastic fiber blending core yarn and an at least branch of thermoplastic fiber sheath yarn, regeneration carbon fiber and thermoplastic fiber blending core yarn locate the center, and thermoplastic fiber sheath yarn winding connection is in the outside of regeneration carbon fiber and thermoplastic fiber blending core yarn. The utility model discloses the regenerated carbon fiber thermoplastic resin blended yarn who prepares has compensatied the not enough shortcoming of short carbon-fibre composite performance, has intensity height, modulus height, light in weight, antifriction, antifatigue, advantage such as with low costs. Simultaneously the utility model discloses a regeneration carbon fiber, it is with low costs, solved regeneration carbon fiber discontinuity, can not continuous feed's disadvantage to be favorable to solving carbon-fibre composite and give up the pollution problem to the environment admittedly.
Description
Technical Field
The utility model relates to a regenerated carbon fiber and thermoplastic fiber blended yarn.
Background
Carbon fiber Composites (CFRP) have excellent properties such as light weight, high strength, high modulus, and the like, and are incomparable with other glass fiber reinforced composites, and thus are widely used in high and new technology industries such as aerospace, automobile industry, rail transit, new energy, sporting goods, and the like. With the rapid development of economy, the usage amount of CFRP in each field is rapidly increased, the generated waste CFRP is increased day by day, the total waste CFRP in 2019 exceeds 3 ten thousand tons, the components in the waste CFRP are not degradable, and if the waste CFRP is directly discarded into the environment, on the one hand, the environment is seriously polluted; on the other hand, the waste CFRPs often contain about 60% of high value-added carbon fibers, and the production of the carbon fibers is a high energy-consuming process, which will cause serious waste of resources if not recycled.
Chinese patent CN103665427A discloses a method for recycling carbon fibers by cracking waste carbon fiber composite materials, which adopts a cracking process to recycle carbon fibers in the waste carbon fiber composite materials to prepare high-performance recycled carbon fibers. The method solves the problem of difficult treatment of solid waste of the waste carbon fiber composite material, saves resources and provides a recycled carbon fiber with cost performance for the market.
The regenerated carbon fiber belongs to discontinuous fiber, and the use mode is different from that of the new continuous carbon fiber. And the performance of the composite material prepared by the discontinuous regenerated carbon fiber is inferior to that of the continuous fiber composite material. Consequently the utility model discloses a, prepare into continuous regeneration carbon fiber yarn with discontinuous regeneration carbon fiber, solved the reinforced difficult problem in succession of regeneration carbon fiber.
Disclosure of Invention
Utility model purpose: the utility model aims at solving the deficiencies in the prior art, providing a regeneration carbon fiber thermoplastic resin blended yarn, solution above-mentioned problem that can be fine. And the composite material prepared from the regenerated carbon fiber thermoplastic resin blended yarn has the advantages of high strength, high modulus, light weight, friction resistance, fatigue resistance, low cost and the like.
The technical scheme is as follows: the utility model relates to a regenerated carbon fiber and thermoplastic fiber blended yarn, including an at least branch of regenerated carbon fiber and thermoplastic fiber blended core yarn and an at least branch of thermoplastic fiber sheath yarn, the center is located to regenerated carbon fiber and thermoplastic fiber blended core yarn, and thermoplastic fiber sheath yarn winding links in the outside of regenerated carbon fiber and thermoplastic fiber blended core yarn.
Preferably, the regenerated carbon fiber and thermoplastic fiber blended core yarn comprises regenerated carbon fiber yarns and thermoplastic fiber yarns.
The preferable regenerated carbon fiber and thermoplastic fiber blended core yarn is formed by winding and twisting regenerated carbon fiber yarns and thermoplastic fiber yarns.
Preferably, the thermoplastic fiber sheath yarn is formed by twisting.
Preferably, the regenerated carbon fibers in the regenerated carbon fiber and thermoplastic fiber blended core yarn are obtained by pyrolyzing and recycling carbon fiber composite wastes.
Preferably, the thermoplastic fiber in the regenerated carbon fiber and thermoplastic fiber blended core yarn is made of one or more selected from Polycarbonate (PC), PA66, PP, ABS and PET.
Preferably, the regenerated carbon fiber and thermoplastic fiber blended core yarn is one bundle, and the thermoplastic fiber sheath yarn is four bundles.
Preferably, the regenerated carbon fiber and thermoplastic fiber blended core yarn is divided into two bundles, and the thermoplastic fiber sheath yarn is also divided into two bundles; the two bundles of regenerated carbon fibers and the thermoplastic fiber blended core yarn are twisted and then wound and connected with the thermoplastic fiber sheath yarn.
Preferably, the regenerated carbon fiber and thermoplastic fiber blended core yarn is three bundles, and the thermoplastic fiber sheath yarn is two bundles; the three bundles of regenerated carbon fibers and the thermoplastic fiber blended core yarn are twisted and then wound and connected with the thermoplastic fiber sheath yarn.
Preferably, the regenerated carbon fiber and thermoplastic fiber blended yarn has the specification selected from 5ktex to 100 ktex; the thermoplastic fiber sheath yarn specification is selected from 1ktex to 10 ktex.
Compared with the prior art, the utility model provides a pair of regenerated carbon fiber and thermoplastic fiber blended yarn has realized following beneficial effect at least:
the utility model discloses the regenerated carbon fiber and the thermoplastic fiber blended yarn who obtains prepares discontinuous regenerated carbon fiber into continuous regeneration carbon fiber yarn. And the composite material prepared from the regenerated carbon fiber thermoplastic resin blended yarn has the advantages of high strength, high modulus, light weight, friction resistance, fatigue resistance, low cost and the like. The method has low cost by adopting the regenerated carbon fiber, and is favorable for solving the problem of environmental pollution caused by solid waste of the carbon fiber composite material.
Of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the present invention;
1 is regenerated carbon fiber and thermoplastic fiber blended core yarn; and 2 is thermoplastic fiber sheath yarn.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the case of the example 1, the following examples are given,
as shown in fig. 1, the regenerated carbon fiber and thermoplastic fiber blended yarn comprises at least one bundle of regenerated carbon fiber and thermoplastic fiber blended core yarn 1 and at least one bundle of thermoplastic fiber sheath yarn 2, wherein the regenerated carbon fiber and thermoplastic fiber blended core yarn 1 is arranged at the center, and the thermoplastic fiber sheath yarn 2 is wound and connected at the outer side of the regenerated carbon fiber and thermoplastic fiber blended core yarn 1.
Based on the above embodiment, the adjustment of the performance of the blended yarn is achieved by changing the ratio of the core yarn to the sheath yarn.
To further explain the present embodiment, it should be noted that the regenerated carbon fiber and thermoplastic fiber blended core yarn 1 includes regenerated carbon fiber filaments and thermoplastic fiber filaments.
In order to explain the present embodiment, the regenerated carbon fiber/thermoplastic fiber blended core yarn 1 is formed by twisting a regenerated carbon fiber yarn and a thermoplastic fiber yarn.
To further explain the present embodiment, it is to be noted that the thermoplastic fiber sheath yarn 2 is formed by twisting.
To further explain the present example, it is noted that the regenerated carbon fiber in the regenerated carbon fiber and thermoplastic fiber blended core yarn 1 is obtained by thermally decomposing and recovering carbon fiber composite waste.
To further explain the present embodiment, it is noted that the thermoplastic fiber in the regenerated carbon fiber and thermoplastic fiber blended core yarn 1 is made of one or more selected from Polycarbonate (PC), PA66, PP, ABS, PET.
To further explain the present example, it should be noted that the recycled carbon fiber and thermoplastic fiber blended yarn has a specification selected from 5ktex to 100 ktex; the thermoplastic fiber sheath yarn specification is selected from 1ktex to 10 ktex.
To explain the present example further, it should be noted that the regenerated carbon fiber and thermoplastic fiber blended core yarn 1 is one bundle, and the thermoplastic fiber sheath yarn 2 is four bundles.
In the above examples, the specific preparation method of the blended yarn of the regenerated carbon fiber and the thermoplastic fiber is as follows.
The method comprises the following steps: preparing regenerated carbon fibers;
step two: carrying out surface modification treatment on the regenerated carbon fiber to ensure that the regenerated carbon fiber and the thermoplastic resin have strong binding force;
step three: preparing regenerated carbon fiber and thermoplastic fiber blended core yarn: selecting the regenerated carbon fiber with the length larger than 50mm, selecting the thermoplastic resin fiber with the length larger than 50mm, and carrying out the process steps of full blending, carding, drawing, spinning and the like to prepare the regenerated carbon fiber and thermoplastic fiber blended core yarn with the specification of 1-10 ktex.
Step four: preparing a thermoplastic fiber sheath yarn: selecting thermoplastic resin fibers with the length larger than 50mm, and preparing the thermoplastic fiber sheath yarns with the specification of 1-10 ktex through the process steps of carding the thermoplastic fibers into nets, drawing, spinning and the like.
Step five: preparing the regenerated carbon fiber and thermoplastic fiber blended yarn: and (3) winding, connecting and blending at least one bundle of the regenerated carbon fiber and thermoplastic fiber blended core yarn and at least one bundle of the thermoplastic fiber sheath yarn to prepare the regenerated carbon fiber and thermoplastic fiber blended yarn. The performance of the blended yarn is adjusted by changing the proportion of the core yarn and the sheath yarn, and the specification is 5-100 ktex.
In the embodiment, the length of the adopted regenerated carbon fiber is 50mm, the length of the adopted PA66 resin fiber is 50mm, the surface of the regenerated carbon fiber is treated by adopting polyurethane diluent, and then the regenerated carbon fiber is dried; weighing 50wt% of regenerated carbon fiber and 50wt% of PA66 resin fiber, fully blending, carding to form a net, stretching and drawing, and spinning to prepare the regenerated carbon fiber and thermoplastic fiber blended core yarn with the specification of 3 ktex. In the same manner, a sheath yarn of thermoplastic fiber with a specification of 3ktex was prepared. Twisting, winding and connecting one bundle of the regenerated carbon fiber and thermoplastic fiber blended core yarn and four bundles of thermoplastic fiber sheath yarns to prepare the regenerated carbon fiber and thermoplastic fiber blended yarn.
In the case of the example 2, the following examples are given,
on the basis of the preparation method of the embodiment 1, the length of the adopted regenerated carbon fiber is 80mm, the length of the adopted PP resin fiber is 60mm, the surface of the regenerated carbon fiber is treated by adopting polypropylene emulsion diluent, and then the regenerated carbon fiber is dried; weighing 60wt% of regenerated carbon fiber and 40wt% of PP resin fiber, fully blending, carding to form a net, stretching and drawing, and spinning to prepare the regenerated carbon fiber and thermoplastic fiber blended core yarn with the specification of 5 ktex. In the same manner, a sheath yarn of thermoplastic fiber with a specification of 5ktex was prepared. As shown in fig. 2, two bundles of regenerated carbon fibers and two bundles of thermoplastic fiber blended core yarns 1 are twisted, twisted and connected to form a blended yarn core, and then twisted, twisted and connected to two bundles of thermoplastic fiber sheath yarns 2 to form the regenerated carbon fiber and thermoplastic fiber blended yarn.
In the case of the example 3, the following examples are given,
as shown in fig. 3, based on the preparation method of example 1, the regenerated carbon fiber and thermoplastic fiber blended core yarn 1 is three bundles, and the thermoplastic fiber sheath yarn 2 is two bundles; the three bundles of regenerated carbon fibers and the thermoplastic fiber blended core yarn 1 are twisted and then wound and connected with the thermoplastic fiber sheath yarn 2. The length of the adopted regenerated carbon fiber is 100mm, the length of the adopted PET resin fiber is 80mm, the surface of the regenerated carbon fiber is treated by polyurethane emulsion diluent, and then the regenerated carbon fiber is dried; weighing 50wt% of regenerated carbon fiber and 50wt% of PET resin fiber, fully blending, carding to form a net, stretching and drawing, and spinning to prepare the regenerated carbon fiber and thermoplastic fiber blended core yarn with the specification of 5 ktex. In the same manner, a sheath yarn 2 of thermoplastic fiber was prepared with a gauge of 5 ktex. Twisting and winding the three bundles of regenerated carbon fibers and the thermoplastic fiber blended core yarn 1 to form a blended yarn core, and blending the blended yarn core with the thermoplastic fiber sheath yarn 2 to prepare the regenerated carbon fiber and thermoplastic fiber blended yarn with the specification of 30 ktex.
According to the above embodiment, the utility model provides a pair of regenerated carbon fiber and thermoplastic fiber blended yarn has realized following beneficial effect at least:
the utility model discloses the regenerated carbon fiber and the thermoplastic fiber blended yarn who obtains prepares discontinuous regenerated carbon fiber into continuous regeneration carbon fiber yarn. And the composite material prepared from the regenerated carbon fiber thermoplastic resin blended yarn has the advantages of high strength, high modulus, light weight, friction resistance, fatigue resistance, low cost and the like. The method has low cost by adopting the regenerated carbon fiber, and is favorable for solving the problem of environmental pollution caused by solid waste of the carbon fiber composite material.
Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. The regenerated carbon fiber and thermoplastic fiber blended yarn is characterized in that: the blended yarn comprises at least one bundle of regenerated carbon fiber and thermoplastic fiber blended core yarn (1) and at least one bundle of thermoplastic fiber sheath yarn (2), wherein the regenerated carbon fiber and thermoplastic fiber blended core yarn (1) is arranged in the center, and the thermoplastic fiber sheath yarn (2) is wound and connected on the outer side of the regenerated carbon fiber and thermoplastic fiber blended core yarn (1).
2. The carbon fiber and thermoplastic fiber blended yarn according to claim 1, wherein the carbon fiber and thermoplastic fiber blended core yarn (1) comprises a carbon fiber yarn and a thermoplastic fiber yarn.
3. The blended yarn of recycled carbon fiber and thermoplastic fiber according to claim 2, wherein the blended core yarn (1) of recycled carbon fiber and thermoplastic fiber is formed by winding and twisting recycled carbon fiber filaments and thermoplastic fiber filaments.
4. The carbon fiber and thermoplastic fiber blended yarn according to claim 1, wherein the thermoplastic fiber sheath yarn (2) is formed by twisting.
5. The blended yarn of recycled carbon fiber and thermoplastic fiber as claimed in claim 1, wherein the recycled carbon fiber in the blended yarn (1) of recycled carbon fiber and thermoplastic fiber is obtained by pyrolysis of recycled carbon fiber composite waste.
6. The blended yarn of recycled carbon fiber and thermoplastic fiber as claimed in claim 1, wherein the thermoplastic fiber in the blended yarn (1) is made of one or more selected from Polycarbonate (PC), PA66, PP, ABS and PET.
7. The blended yarn of recycled carbon fiber and thermoplastic fiber according to claim 1, wherein the blended core yarn (1) of recycled carbon fiber and thermoplastic fiber is one bundle, and the sheath yarn (2) of thermoplastic fiber is four bundles.
8. The recycled carbon fiber and thermoplastic fiber blended yarn according to claim 1, wherein the recycled carbon fiber and thermoplastic fiber blended core yarn (1) is two bundles, and the thermoplastic fiber sheath yarn (2) is also two bundles; and the two bundles of the regenerated carbon fiber and thermoplastic fiber blended core yarns (1) are twisted and then wound and connected with the thermoplastic fiber sheath yarns (2).
9. The recycled carbon fiber and thermoplastic fiber blended yarn according to claim 1, wherein the recycled carbon fiber and thermoplastic fiber blended core yarn (1) is three bundles, and the thermoplastic fiber sheath yarn (2) is two bundles; and twisting the three bundles of the regenerated carbon fiber and thermoplastic fiber blended core yarns (1) and then winding and connecting the twisted bundles of the regenerated carbon fiber and thermoplastic fiber blended core yarns with the thermoplastic fiber sheath yarns (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120789964.4U CN215251465U (en) | 2021-04-19 | 2021-04-19 | Regenerated carbon fiber and thermoplastic fiber blended yarn |
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| CN202120789964.4U CN215251465U (en) | 2021-04-19 | 2021-04-19 | Regenerated carbon fiber and thermoplastic fiber blended yarn |
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