TWI630295B - Abrasion resistant composition and fiber - Google Patents

Abstract

A wear resistant composition comprising from about 40 to 98.9 parts by weight of Nylon, from about 1 to 60 parts by weight of a copolymer of lanthanum and ether, and from about 0.1 to 2 parts by weight of a polymer containing maleic anhydride is provided. A wear resistant fiber comprising the wear resistant composition is also provided. The fabric made from the abrasion resistant fibers of the present invention has a wear resistance of more than 200,000 times under the ASTM D4966 test.

Description

Wear resistant composition and wear resistant fiber

This invention relates to a textile material, and more particularly to a wear resistant composition and abrasion resistant fibers comprising the wear resistant composition.

Under the trend of globalization, the textile industry is facing strong competitive pressures. Textile companies must constantly develop new technologies and diversified products in order to face the competition in the world. In modern society, more and more people are challenging mountaineering, rock climbing, skiing and other sports. In order to improve the protection function of outdoor activities or work, the research and development of wear-resistant fabrics has become one of the topics that the industry needs to study.

In view of the above, the present invention provides a composition and a wear resistant fiber comprising the wear resistant composition, which has high toughness and high wear resistance at low temperatures.

The present invention provides a wear resistant composition comprising about 40 to 98.9 parts by weight of Nylon, about 1 to 60 parts by weight of a copolymer of an anthracene and an ether, and about 0.1 to 2 parts by weight of a polymer containing a maleic anhydride. .

In an embodiment of the invention, the above-mentioned endurance includes an endurance 6, an endurance 6,6, Nylon 6, 10, Nylon 6, 12, Nylon 10, 10, Nylon 11, Nylon 12 or a combination thereof.

In an embodiment of the invention, the above-mentioned nylon and ether copolymer comprises a copolymer of PA10-co-polyether, a copolymer of Nylon 11 and an ether (PA11-co-polyether), Copolymer of benzoic acid 12 and ether (PA12-co-polyether) or a combination thereof.

In an embodiment of the invention, the above-mentioned nylon and ether copolymer comprises a copolymer of Nylon 11 and an ether.

In an embodiment of the invention, the maleic anhydride-containing polymer comprises polymaleic anhydride, styrene-co-maleic anhydride (styrene-co-maleic anhydride), styrene- Poly(styrene-alt-maleic anhydride), styrene-b-maleic anhydride (poly(styrene-b-maleic anhydride)), styrene-maleic anhydride Poly(styrene-g-maleic anhydride) or a combination thereof.

In an embodiment of the invention, the maleic anhydride-containing polymer comprises a random copolymer of styrene-maleic anhydride.

The invention further provides an abrasion resistant fiber comprising a core and a sheath for covering the core. The sheath comprises from about 40 to 98.9 parts by weight of Nylon, from about 1 to 60 parts by weight of a copolymer of lanthanum and ether, and from about 0.1 to 2 parts by weight of a polymer containing maleic anhydride.

In an embodiment of the invention, the weight ratio of the sheath to the core is in the range of about 70:30 to 30:70.

In an embodiment of the invention, the sheath is a single layer or a plurality of layers.

In an embodiment of the invention, the material of the core comprises an endurance 6 and resistance Long 6,6, Nylon 6,10, Nylon 6,12, Nylon 10,10, Nylon 11, Nylon 12 or a combination thereof.

In an embodiment of the invention, the abrasion resistant fiber has a wear resistance of more than about 200,000 times under the ASTM D4966 test.

In an embodiment of the present invention, the toron-resistant material comprises Nylon 6, Nylon 6, 6, Nylon 6, 10, Nylon 6, 12, Nylon 10, 10, Nylon 11, and Nylon 12 Or a combination thereof.

In an embodiment of the invention, the above-mentioned anthraquinone- and ether-containing copolymer comprises a copolymer of lonlon 10 and ether, a copolymer of lonsole 11 and ether, a copolymer of lonsin 12 and ether, or a combination thereof.

In an embodiment of the invention, the above-mentioned nylon and ether copolymer comprises a copolymer of Nylon 11 and an ether.

In an embodiment of the invention, the maleic anhydride-containing polymer comprises polymaleic anhydride, a random copolymer of styrene-maleic anhydride, an alternating copolymer of styrene-maleic anhydride, and a styrene-matrix. A block copolymer of an anhydride, a graft copolymer of styrene-maleic anhydride, or a combination thereof.

In an embodiment of the invention, the maleic anhydride-containing polymer comprises a random copolymer of styrene-maleic anhydride.

Based on the above, the present invention utilizes a high-energy twin-screw kneading processing technique and a modification of a reactive functional group of a compatibilizing agent to prepare a spinning-type high-wearing property by using an Nylon elastomer and a Nylon body containing a long carbon chain. The modification is resistant to granules. The invention further adopts a fusion composite spinning method and an extension processing process, and uses the conventional diarrhea as a core, and uses the modified tamper resistant granule of the invention as a sheath to prepare a high-strength wear-resistant bromine fiber, which can enhance the brocade resistant fabric. Wear resistance.

The above described features and advantages of the invention will be apparent from the following description.

10, 10a‧‧‧Abrasive fiber

12‧‧ ‧ core

14, 16‧‧ ‧ sheath

1 is a schematic cross-sectional view of a wear resistant fiber according to an embodiment of the invention.

2 is a cross-sectional view of a wear resistant fiber in accordance with another embodiment of the present invention.

The invention provides a wear-resistant composition which utilizes a nylon elastomer having a long carbon chain to modify the nylon body and is compatible with the addition of a suitable compatibilizer to prepare a high-strength wear-resistant property. Quality resistant to granules.

Specifically, the abrasion resistant composition of the present invention comprises from about 40 to 98.9 parts by weight of Nylon (as an endurance body), from about 1 to 60 parts by weight of a copolymer of an anthracene and an ether (as a toronomer) About 0.1 to 2 parts by weight of a maleic anhydride-containing polymer (as a compatibilizer).

The typhoid as the Nylon main body includes, but is not limited to, Nylon 6, Nylon 6, 6, Nylon 6, 10, Nylon 6, 12, Nylon 10, 10, Nylon 11, Nylon 12 or combination. The Nylon body can be a single component or a mixture of components.

The Nylon and Ether Copolymer as the Nile Elastomer may be a block polymer including, but not limited to, copolymers of PA10-co-polyether, Nylon 11 and ether. Copolymerization of PA11-co-polyether, Nylon 12 and ether (PA12-co-polyether) or a combination thereof. In one embodiment, the above-described nylon and ether copolymer comprises a copolymer of Nylon 11 and an ether.

Maleic anhydride-containing polymers as compatibilizers include, but are not limited to, polymaleic anhydride, styrene-co-maleic anhydride, styrene- Poly(styrene-alt-maleic anhydride), styrene-b-maleic anhydride (poly(styrene-b-maleic anhydride)), styrene-maleic anhydride A (poly(styrene-g-maleic anhydride) or a combination thereof. In one embodiment, the maleic anhydride-containing polymer comprises a random copolymer of styrene-maleic anhydride.

The wear-resistant composition is prepared by placing the above components in a twin-screw extruder for mixing and granulation to prepare modified granules, wherein the processing temperature is between 200 ° C and 300 ° C (for example, 220 ° C to 265 ° C). The extruder has a length to diameter ratio (L/D) of 30 to 50 (for example, 40), and the screw speed is 200 to 300 rpm (for example, 250 rpm).

The present invention further provides a wear-resistant fiber having a core-sheath structure, which utilizes the above-mentioned wear-resistant composition as a main component of the sheath, so that the prepared wear-resistant fiber can also have high-strength wear resistance.

Specifically, as shown in FIG. 1, the wear resistant fiber 10 of the present invention includes a core 12 and a sheath 14. The sheath 14 is used to cover the core 10. The material of the core 12 includes Nylon 6, Nylon 6, 6, Nylon 6, 10, Nylon 6, 12, Nylon 10, 10, Nylon 11, Nylon 12 or a combination thereof. The material of the core 12 may be a single component or a mixture of components. The sheath 14 comprises from about 40 to 98.9 parts by weight of Nylon (as an endurance body), from about 1 to 60 parts by weight of a copolymer of Nylon and Ether (as a toronomer), and from about 0.1 to 2 parts by weight. A polymer of maleic anhydride (as a compatibilizer).

In an embodiment, the material of the core 12 may be the same as the torrefaction body material of the sheath 14, for example, all of the diarrhea 6. In another embodiment, the material of the core 12 may be different from the torrefaction body material of the sheath 14, for example, the core 12 may be an endurance 6 and the torrefaction body of the sheath 14 may be an endurance 12.

Further, in the embodiment of Fig. 1, the sheath 14 is a single layer of the coating layer as an example, but is not intended to limit the invention. In another embodiment, the sheath can also be a multi-layered cladding structure. As shown in Figure 2, the wear resistant fibers 10a of the present invention comprise a core 12 and sheaths 14, 16. The sheath 14 is used to cover the core 10 and the sheath 16 is used to coat the sheath 14. The thickness and material of sheath 16 and sheath 14 may be the same or different. In one embodiment, the sheath 16 is of a different material than the sheath 14, and the outer sheath 16 has a higher proportion of the wear resistant composition of the present invention than the inner sheath 14.

In addition, regardless of the core-sheath structure of the single-layer or multi-layer sheath, the weight ratio of the sheath to the core (ie, sheath/core ratio) is in the range of about 70:30 to 30:70, which can balance cost and wear quality. Specifically, if the weight ratio of the sheath to the core is too high, the cost is increased. If the weight ratio of the sheath to the core is too low, the abrasion resistance of the resulting abrasion resistant fiber is insufficient. The sheath to core weight ratio can be, for example, in the range of about 70:30, 65:35, 60:40, 55:45, 50:50, 45:55, 40:60, 35:65, or 30:70, but The invention is not limited thereto.

In the embodiment of Fig. 1 and Fig. 2, the concentric core-sheath type composite fiber is taken as an example, but it is not intended to limit the present invention. In another embodiment, the abrasion resistant fibers of the present invention may also be eccentric core sheath type composite fibers.

The wear-resistant fiber is prepared by melt-spinning a core material and a sheath material of a specific weight ratio using a core-sheath nozzle to obtain a semi-stretched yarn, and then extending the semi-stretched tow by using a heated hot roll stretching machine. To prepare modified lonlon fiber. However, the present invention is not limited thereto, and it is also possible to directly perform melt spinning having a large elongation ratio using a core sheath spout. The process is followed by a modified full-stretch fiber (FDY) modified Nylon fiber. For example, in the above melt spinning process, the sheath has a processing temperature of about 260 ° C to 280 ° C, a core processing temperature of about 280 ° C to 300 ° C, and a coiler speed of about 3000 m / min or more.

It is particularly noted that the abrasion resistant fiber of the present invention has a fiber fineness of 215 d/48 f and a fiber strength of 6.0 to 7.0 g/d, which is thinner and tougher than conventional fibers, and has a wider application range.

Hereinafter, a comparative example and a plurality of examples will be enumerated to verify the efficacy of the present invention.

According to the experimental parameters of Table 1, the modified Nylon fibers of the present invention having different sheath/core ratios were woven into the fabrics of Examples 1 to 6 in a loom, and then subjected to abrasion resistance test. In Comparative Example 1, the abrasion resistant test was carried out using a fabric woven from an unmodified conventional nylon.

As shown in Table 1, the abrasion resistance of the fabric made using the abrasion resistant fiber of the present invention under the ASTM D 4966 test exceeded about 200,000 times, showing good abrasion resistance. In addition, as the sheath/core ratio of the abrasion resistant fibers increases, the number of wear resistances also increases. The results of Examples 3 to 6 show that when the sheath/core ratio of the abrasion resistant fibers is equal to or more than 50/50, the number of abrasion resistances exceeds about 230,000 times. Conversely, the abrasion resistance of the fabric made using only conventional conventional Nylon was less than 45,000 times under the ASTM D4966 test.

In summary, the present invention utilizes a long carbon chain-resistant Nylon elastomer and a conventional nylon, combined with a high-performance twin-screw mixing process and a modification of a reactive functional group of a compatibilizer to prepare a spinning grade. The low temperature and high toughness of the modified granules. In addition, a core-sheath type spinning control processing technique (sheath: low temperature and high toughness modified granules; core: conventional granules) is used to spin a partially oriented yarn (POY) or a fully oriented yarn (fully oriented yarn; After the FOY) fiber, the processing process in the latter stage is combined to prepare the modified Nylon fiber with high strength and wear resistance. The core-sheath type modified Nylon fiber of the present invention can be used as an industrial fiber, which can improve the applicability of the Nylon fiber material in a cold temperature environment, and can also improve the abrasion resistance of the fabric.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

Claims (12)

A wear resistant composition comprising: 40 to 98.9 parts by weight of Nylon; 1 to 60 parts by weight of a copolymer of an anthracene and an ether; and 0.1 to 2 parts by weight of a polymer containing maleic anhydride. The wear-resistant composition according to claim 1, wherein the endurance includes an endurance 6, an endurance 6, 6, an endurance 6, 10, an endurance 6, 12, an endurance 10, 10, and a resistance. Long 11, Nylon 12 or a combination thereof. The abrasion resistant composition according to claim 1, wherein the copolymer of the lons and ethers comprises a copolymer of benzoic acid and ether (PA10-co-polyether), an anthracene 11 and an ether copolymer. (PA11-co-polyether), a copolymer of Nylon 12 and ether (PA12-co-polyether) or a combination thereof. The abrasion resistant composition according to claim 1, wherein the maleic anhydride-containing polymer comprises a random copolymer of polymaleic anhydride or styrene-maleic anhydride ((poly(styrene-co-) Maleic anhydride)), poly(styrene-alt-maleic anhydride), block copolymer of styrene-maleic anhydride ((poly(styrene-b-maleic anhydride)) ), a styrene-g-maleic anhydride (poly(styrene-g-maleic anhydride)) or a combination thereof. A wear resistant fiber comprising: a core; and a sheath for coating the core, comprising: 40 to 98.9 parts by weight of Nylon; 1 to 60 parts by weight of a copolymer of Nylon and ether; and 0.1 to 2 weight A portion of a polymer containing maleic anhydride. The abrasion resistant fiber of claim 5, wherein the weight ratio of the sheath to the core is in the range of 70:30 to 30:70. The abrasion resistant fiber of claim 5, wherein the sheath is a single layer or a plurality of layers. The wear-resistant fiber according to claim 5, wherein the material of the core comprises Nylon 6, Nylon 6, 6, Nylon 6, 10, Nylon 6, 12, Nylon 10, 10, resistant Long 11, Nylon 12 or a combination thereof. The abrasion resistant fiber of claim 5, wherein the abrasion resistant fiber has a wear resistance of more than 200,000 times under the ASTM D4966 test. The wear-resistant fiber according to claim 5, wherein the material resistant to the endurance includes Nylon 6, Nylon 6, 6, Nylon 6, 10, Nylon 6, 12, Nylon 10, 10. Nylon 11, Nylon 12, or a combination thereof. The abrasion resistant fiber of claim 5, wherein the nylon and ether copolymer comprises a copolymer of Nylon 10 and an ether, a copolymer of Nile 11 and an ether, copolymerization of Nile 12 and ether. , or a combination thereof. The abrasion resistant fiber according to claim 5, wherein the maleic anhydride-containing polymer comprises polymaleic anhydride, a random copolymer of styrene-maleic anhydride, and an alternating of styrene-maleic anhydride. a copolymer, a block copolymer of styrene-maleic anhydride, a graft copolymer of styrene-maleic anhydride, or a combination thereof.