CN115707803A - Multicomponent parallel cool composite fiber and cool sanitary article - Google Patents

Multicomponent parallel cool composite fiber and cool sanitary article Download PDF

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Publication number
CN115707803A
CN115707803A CN202111077948.3A CN202111077948A CN115707803A CN 115707803 A CN115707803 A CN 115707803A CN 202111077948 A CN202111077948 A CN 202111077948A CN 115707803 A CN115707803 A CN 115707803A
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component
fiber
cool
composite fiber
multicomponent
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林隆杰
黄珮瑜
林家俞
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Kang Na Hsiung Enterprise Co Ltd
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Kang Na Hsiung Enterprise Co Ltd
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Abstract

A multi-component parallel cool composite fiber and a cool sanitary product are provided, and the multi-component parallel cool composite fiber comprises a fiber body and a heat conducting mineral. The fibrous body comprises a first fibrous part and a second fibrous part which are arranged in parallel. The first fiber portion is formed from a first component. The first component is selected from polyethylene, polypropylene, polyethylene terephthalate, or a combination of any of the foregoing. The second fiber portion is formed from a second component. The second component is selected from polyester, polyurethane, or a combination thereof. The second component has a moisture regain of 0.1% or more and a melting point different from that of the first component. The content of the first component is 20 to 50wt% and the content of the second component is 50 to 80wt% based on 100wt% of the total amount of the fiber body. The heat-conducting mineral is distributed in the second fiber part, and the content of the heat-conducting mineral is 0.01 to 10 parts by weight based on 100 parts by weight of the total amount of the second component.

Description

Multicomponent parallel cool composite fiber and cool sanitary article
Technical Field
The invention relates to a composite fiber and a sanitary product, in particular to a multi-component parallel cool composite fiber and a cool sanitary product comprising the same.
Background
Chinese patent publication No. 108570765A discloses a method for preparing a cool hot air non-woven fabric, and the method includes steps (1) to (3). In the step (1), bi-component cool fiber is prepared, and a skin layer is wrapped outside a core layer to prepare the fiber with a skin-core composite concentric structure, wherein the melting point of the components of the skin layer is 100-160 ℃, the melting point of the components of the core layer is 20 ℃ higher than that of the components of the skin layer, and in addition, the skin layer contains cool mineral particles, wherein the cool mineral particles account for 0.01-10% of the weight of the skin layer. The cool mineral particles are mica, jade, margarita, maifanitum or silicate, and have a size of less than 1 μm. In step (2), carding the bicomponent cool feeling fibers into a fibrous web. In the step (3), the fiber net surface is bonded into the hot-air non-woven fabric through hot air. Although the cool-feeling hot-air nonwoven fabric has a cool and cool touch, the cool-feeling hot-air nonwoven fabric still has insufficient cool touch.
Disclosure of Invention
The first purpose of the invention is to provide a multi-component side-by-side cool composite fiber.
The invention relates to a multi-component parallel cool composite fiber, which comprises: fibrous body and heat-conducting mineral. The fibrous body includes a first fibrous portion and a second fibrous portion juxtaposed to the first fibrous portion. The first fiber portion is formed from a first component. The first component is selected from polyethylene, polypropylene, polyethylene terephthalate, or a combination of any of the foregoing. The second fiber portion is formed from a second component. The second component is selected from polyester, polyurethane, or a combination thereof. The second component has a moisture regain of 0.1% or more and a melting point different from that of the first component. The content of the first component is 20wt% to 50wt%, and the content of the second component is 50wt% to 80wt%, based on 100wt% of the total amount of the fiber body. The heat conductive mineral is distributed in the second fiber part, and the content of the heat conductive mineral is 0.01 to 10 parts by weight based on 100 parts by weight of the total amount of the second component.
In the multicomponent parallel type cooling composite fiber according to the present invention, the fiber body further includes a third fiber portion unit arranged in parallel with the first fiber portion, and the third fiber portion unit includes at least one third fiber portion formed of a third component, and the third component of the third fiber portion arranged in parallel with the first fiber portion is different from the first component.
In the multi-component side-by-side cool composite fiber, the polyester is polyethylene terephthalate.
In the multicomponent side-by-side cool composite fiber, the heat conducting mineral is selected from ceramic, mica, jade, metal oxide, or any combination of the above.
In the multicomponent parallel type cool feeling composite fiber of the present invention, the average particle size range of the thermally conductive mineral is 10 μm or less.
In the multicomponent side-by-side type cool feeling composite fiber of the present invention, the melting point of the first component is smaller than the melting point of the second component.
In the multicomponent side-by-side cool composite fiber of the present invention, the moisture regain of the second component is 0.1% to 0.5%.
A second object of the present invention is to provide a cool sanitary article having a good cool touch.
The cool sanitary product comprises the multi-component parallel cool composite fiber.
The invention has the beneficial effects that: through the moisture regain of the second component, the heat conducting mineral and the design of the fiber structure, the multi-component parallel type cool feeling composite fiber and the cool feeling sanitary product comprising the same have excellent cool feeling to touch.
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Detailed Description
The present invention will be described in detail below.
[ multicomponent side-by-side Cool feeling conjugate fiber ]
The invention relates to a multi-component parallel cool composite fiber, which comprises: fibrous body and heat-conducting mineral.
[ fibrous body ]
The fibrous body includes a first fibrous portion and a second fibrous portion juxtaposed with the first fibrous portion.
< first fiber section >
The first fiber portion is formed from a first component. The first component is selected from polyethylene, polypropylene, polyethylene terephthalate, or any combination thereof, and is present in an amount ranging from 20wt% to 50wt% based on 100wt% of the total amount of the fiber body. In some embodiments of the invention, the first component is polyethylene or polypropylene. In order to enable the multi-component side-by-side cool composite fiber of the present invention to be applied to a process for preparing a nonwoven fabric, in some embodiments of the present invention, the melting point of the first component ranges from 110 ℃ to 177.5 ℃.
< second fiber section >
The second fiber portion is formed from a second component. The second component is selected from polyester, polyurethane, or a combination thereof, and the moisture regain of the second component is 0.1% or more. By designing the second component to have a moisture regain of 0.1% or more, when the side-by-side type cool composite fiber of the present invention is used in a cool sanitary article, the second fiber portion comes into contact with the skin of the user, so that the user can feel cool when using the cool sanitary article, and discomfort due to heat can be reduced. The content of the second component ranges from 50wt% to 80wt% based on the total amount of the fiber body as 100 wt%. The melting point of the second component is different from the melting point of the first component. Such as polyethylene terephthalate and the like. In some embodiments of the invention, the polyester is polyethylene terephthalate.
In order to provide the side-by-side type cool composite fiber of the present invention with a better cool touch, in some embodiments of the present invention, the moisture regain of the second component is 0.1% to 0.5%.
In some embodiments of the invention, the melting point of the second component is greater than the melting point of the first component. In order to enable the multi-component side-by-side cool composite fiber of the present invention to be applied to a process for preparing a non-woven fabric, in some embodiments of the present invention, the melting point of the second component ranges from 220 ℃ to 272.5 ℃.
< third fiber section Unit >
The fibrous body further comprises a third fibrous part unit arranged in parallel with the first fibrous part.
In some embodiments, the third fiber portion unit includes a third fiber portion formed from a third component, and the third component is different from the first component. The third component may be employed for materials used for side-by-side fibers. In some embodiments of the invention, the third component is the same as the second component.
In some embodiments of the invention, the third fiber portion unit includes two or more third fiber portions. Each third fiber part is formed of a third component, and the third component of the third fiber parts juxtaposed with the first fiber part is different from the first component. The third components may be employed in materials intended for side-by-side composite fibers. In some embodiments, the third fiber portions include two third fiber portions, and the third components of the third fiber portions are the second component and the first component in sequence.
[ Heat-conducting mineral ]
In addition to the design of the second component moisture regain of the second fiber part, the heat conductive mineral can also be used to impart a cooling effect to the side-by-side type cooling composite fiber of the present invention. The heat-conducting mineral is distributed in the second fiber part, and the content of the heat-conducting mineral ranges from 0.01 to 10 parts by weight based on 100 parts by weight of the total amount of the second component. The heat conductive mineral such as ceramic, mica, jade, or metal oxide has heat conductivity and hardness of 4.91-5.83. Such as copper oxide or zinc oxide. In some embodiments of the invention, the thermally conductive mineral is selected from ceramics, mica, jade, metal oxides, or a combination of any of the foregoing. In order to obtain the advantages of good fiber touch and stable thermal conductivity, in some embodiments of the invention, the average particle size of the thermally conductive mineral is 10 μm or less. In some embodiments of the invention, the thermally conductive mineral has an average particle size in a range of 1 μm or less.
The preparation method of the multicomponent parallel cool composite fiber can be carried out by adopting the preparation method of the prior parallel composite fiber, so the description is omitted.
[ Cool sanitary articles ]
The cool sanitary product comprises multi-component parallel cool composite fibers.
Such as a mask, a sanitary napkin, a paper diaper, a panty liner, etc. The multicomponent side-by-side type cool composite fiber is as described above, and therefore, the description thereof is omitted.
The invention will be further described in the following examples, but it is to be understood that these examples are illustrative only and are not to be construed as limiting the practice of the invention.
Example 1 bicomponent side-by-side cool feeling conjugate fiber
Jade powder with the hardness of 5.03 is mixed with polyethylene terephthalate (PET for short), wherein the content of the jade powder is 5 parts by weight based on 100 parts by weight of the total amount of the polyethylene terephthalate to form a mixture. Introducing polyethylene and the mixture into a spinning machine, and then sequentially carrying out melting treatment, spinning treatment, stretching treatment, sizing treatment, oiling treatment and cutting treatment to obtain the double-component side-by-side cool composite fiber with the size of 38mm, wherein the amount of the polyethylene terephthalate is 50wt% based on 100wt% of the total amount of the polyethylene terephthalate and the polyethylene in the mixture. The melt extrusion temperature of the polyethylene was 130 ℃ and the melt extrusion temperature of the polyethylene terephthalate was 270 ℃.
Example 2 bicomponent side-by-side cool feeling composite fiber
Example 2 was prepared in substantially the same manner as example 1, with the main differences being: in example 2, the polyethylene was used in an amount of 20wt%, the polyethylene terephthalate was used in an amount of 80wt%, and the jade powder was used in an amount of 5 parts by weight, based on 100 parts by weight of the total amount of PET.
Example 3 bicomponent side-by-side Cool feeling conjugate fiber
Mixing jade powder with the hardness of 5.03 and polyethylene terephthalate, wherein the content of the jade powder is 5 parts by weight based on 100 parts by weight of the total amount of the polyethylene terephthalate to form a mixture. Introducing polypropylene and the mixture into a spinning machine, and then sequentially carrying out melting treatment, spinning treatment, stretching treatment, shaping treatment, oiling treatment and cutting treatment to obtain the bi-component side-by-side cool composite fiber, wherein the amount of polyethylene terephthalate is 50wt% based on 100wt% of the total amount of polyethylene terephthalate and polypropylene in the mixture. The melt extrusion temperature of the polypropylene was 170 ℃ and the melt extrusion temperature of the polyethylene terephthalate was 270 ℃.
Example 4 bicomponent side-by-side cool feeling composite fiber
Example 4 was prepared in much the same way as example 3, with the main differences being: in the example 4, the polypropylene was used in an amount of 20wt%, the polyethylene terephthalate was used in an amount of 80wt%, and the jade powder was used in an amount of 5 parts by weight, based on 100 parts by weight of the total PET.
Comparative example 1 core-sheath type Cool feeling composite fiber
Jade powder with the hardness of 5.03 is mixed with polyethylene, wherein the content of the jade powder is 5 parts by weight based on 100 parts by weight of the total amount of the polyethylene, so that a mixture serving as a skin layer is formed. Introducing polyethylene terephthalate (PET for short) as a core layer and the mixture into a spinning machine, and then sequentially carrying out melting treatment, spinning treatment, stretching treatment, sizing treatment, oiling treatment and cutting treatment to obtain the core-sheath cool composite fiber, wherein the amount of the polyethylene terephthalate is 50wt% based on 100wt% of the total amount of the polyethylene and the polyethylene terephthalate in the mixture. The melt extrusion temperature of the polyethylene was 130 ℃ and the melt extrusion temperature of the polyethylene terephthalate was 270 ℃.
Comparative example 2 Bi-component side-by-side Cool feeling conjugate fiber
Comparative example 2 was prepared in substantially the same manner as example 1, with the following differences: no jade powder was added to the comparative example 2.
Application example 1 nonwoven fabric
A plurality of the bicomponent side-by-side cool feeling composite fibers of example 1 were carded to obtain a basis weight of 30g/m 2 The fiber web of (2) is then subjected to a heat setting treatment with hot air to obtain a nonwoven fabric.
Application example 2 to application example 4 nonwoven fabric
The preparation methods of application examples 2 to 4 are substantially the same as application example 1, and the differences mainly lie in that: in the application examples 2 to 4, the bicomponent side-by-side type cool feeling composite fibers of the examples 2 to 4 were used, respectively.
Comparative application example 1 nonwoven Fabric
A plurality of core-sheath type cool composite fibers of comparative example 1 were carded to obtain a base weight of 30g/m 2 The fiber web of (2) is then subjected to a heat setting treatment with hot air to obtain a nonwoven fabric.
Comparative application example 2 nonwoven Fabric
The preparation method of comparative application example 2 is substantially the same as that of application example 1, and the differences are mainly that: in comparative application example 2, the bicomponent side-by-side type cool composite fiber of comparative example 2 was used.
[ evaluation items ]
The following evaluations were performed on the nonwoven fabrics of application examples 1 to 4 and the nonwoven fabrics of comparative application examples 1 to 2. For clarity of explanation, the test flow of the following evaluation items is described with the nonwoven fabric of application example 1 as a representative.
Measuring the cool feeling: a nonwoven fabric of application example 1 having a size of 20cm × 20cm and a basis weight of 30gsm was placed on a cold plate having a temperature of 25 ℃, when the temperature of the nonwoven fabric was stably 25 ℃, a hot plate having a temperature of 35 ℃ was stacked on the surface of the nonwoven fabric, and recording of a temperature change of the nonwoven fabric from 0min to 30min from the stacked hot plate was started, and the results are shown in table 1.
TABLE 1
Figure BDA0003262658620000071
In summary, the moisture regain of the second component, the heat conductive mineral, and the fiber structure are designed, so that the multicomponent parallel type cooling composite fiber and the cooling sanitary product comprising the same according to the present invention have an excellent cool feeling to the touch, and thus the object of the present invention can be achieved.

Claims (8)

1. A multicomponent side-by-side cool composite fiber is characterized by comprising:
a fibrous body comprising
A first fiber part formed of a first component selected from polyethylene, polypropylene, polyethylene terephthalate, or any combination thereof, wherein the first component is present in an amount of 20wt% to 50wt% based on 100wt% of the total amount of the fiber body;
a second fiber part juxtaposed to the first fiber part and formed of a second component selected from polyester, polyurethane, or a combination thereof, the second component having a moisture regain of 0.1% or more and a melting point different from that of the first component, wherein the content of the second component is 50 to 80wt% based on 100wt% of the total amount of the fiber body; and a (C) and (D) and,
and the heat-conducting mineral is distributed in the second fiber part, and the content of the heat-conducting mineral is 0.01-10 parts by weight based on 100 parts by weight of the total amount of the second component.
2. The multicomponent side-by-side cooling conjugate fiber of claim 1, wherein: the fibrous body also comprises a third fibrous part unit which is arranged in parallel with the first fibrous part, the third fibrous part unit comprises at least one third fibrous part formed by a third component, and the third component of the third fibrous part which is arranged in parallel with the first fibrous part is different from the first component.
3. The multicomponent side-by-side cool composite fiber of claim 1, wherein: the polyester is polyethylene terephthalate.
4. The multicomponent side-by-side cool composite fiber according to claim 1, wherein: the heat conducting mineral is selected from ceramics, mica, jade, metal oxide, or any combination thereof.
5. The multicomponent side-by-side cool composite fiber according to claim 4, wherein: the average particle size range of the heat-conducting mineral is less than 10 mu m.
6. The multicomponent side-by-side cool composite fiber of claim 1, wherein: the melting point of the first component is less than the melting point of the second component.
7. The multicomponent side-by-side cool composite fiber of claim 1, wherein: the second component has a moisture regain of 0.1% to 0.5%.
8. A cool sanitary article comprising: the multicomponent side-by-side cool composite fiber of any of claims 1-7.
CN202111077948.3A 2021-08-18 2021-09-15 Multicomponent parallel cool composite fiber and cool sanitary article Pending CN115707803A (en)

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TW110130517A TWI761281B (en) 2021-08-18 2021-08-18 Multi-component side-by-side cooling-feeling composite fiber and cooling-feeling sanitary products

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