JPS58149319A - Preparation of antifungal polyamide fiber - Google Patents

Abstract

PURPOSE:To prevent the bending and broken yarns in melt spinning, by incorporating bis(p-chlorophenyldiguanido)hexane dihydrochloride in a specific proportion and a naphthiomate type antifungal agent, etc. in polyamide fibers. CONSTITUTION:A naphthiomate type antifungal agent, e.g. 2-naphthyl-N-methyl- N-(3-toluyl)thiocarbamate, or benzimidazole type antifungal agent, e.g. 2-(4- thiazolyl)benzimidazole, or both are incorporated with bis(p-chlorophenyldiguanido)hexane dihydrochloride in an amount of 0.1-0.8 of that of the antifungal agent, and the resultant mixture is blended with polyamide chips. The resultant blend is then melt spun to give the aimed fibers. The amount of the antifungal agent is preferably 0.5-5.0wt%.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is based on the method of manufacturing boria domes with antifungal properties.
do.

Mizuori Soo has substances such as sweat, sebum, and grime attached to it.

It grows to a height of 11 in socks, shoes, etc. where it is likely to accumulate, and it infects and breeds on the soles of birds' feet, around the toes. usually,
The infection route for Suito is often through the shared use of slippers, shoes, socks, etc., and through shared facilities such as public baths and pools, and once infected, it is generally difficult to completely treat the infection.

As an aid to the prevention or treatment of water-weaving infections, it has been proposed to wear socks knitted or partially padded with fibers that have antifungal properties. As a method for imparting antifungal properties to fibers, for example, Japanese Patent Application Laid-Open No. 1973-1972 (1973) proposes a method in which a naphthiomate antifungal agent is blended with poly7amide chips and the fibers are spun. Also, Tokukai Showa 4! l
-11837 publication describes 3-trifluoromethyl-4,
4'-dichloro-KN'-diphenyleria as boria i
A method has been proposed in which the fibers are blended into filaments, spun, and stretched.

The method of blending an antifungal agent into chips, spinning, and stretching has excellent productivity and uniformity, but K1 during melt spinning
There is a drawback that the viscosity of the 1 lll product increases significantly, and the operability is considerably lowered. That is, during melt spinning, the intrinsic viscosity of polyamide increases significantly, causing local unevenness in the melt viscosity.
21-ing and thread breakage occur frequently.

The present inventor has arrived at the present invention as a result of intensive studies aimed at improving this drawback.

That is, the present invention relates to the production of antifungal polyamide fibers by melt-spinning polyamide containing a naphthiomate antifungal agent and/or penzimidazole. This is a method for producing antifungal polyamide fibers, which is characterized in that bis(parachlorophenyldiguanide)hexane dihydrochloride is blended in an amount of 0.1 to 0.8 times the weight of the anti-JEII agent.

The polyamide referred to in the present invention may be any fiber-forming polyamide, such as nylon 1. Examples include nylon 66, and these polyamides may be copolymerized or blended with a third component.

For example, 2-su7thi-N-methyl-
N-(S-)ruyl)thiocarbamate, 2-naphthyl-N-methyl-N-(!-naphthyl)othycarbamate)
, 2-(4-thiazolyl)penzimidazole and the like can be mentioned as preferred examples, but the present invention is not limited thereto.

These antifungal agents are usually 0.05 to 12 to polyamide.
~10.0% by weight, preferably 0.5~5.0% by weight. If the amount is less than 0.0611%, the antifungal performance will not be sufficient. From the standpoint of antifungal performance, the amount of antifungal agents is large, but if the amount exceeds 10% by weight, spinning will be difficult even with the method of the present invention.

Any method can be used to incorporate the antifungal agent into the polyamide, but a particularly preferred method is to blend the antifungal agent into the polyamide chips before spinning. Also preferred is a method in which a master chip containing an antifungal agent is blended before spinning.

Any method can be used to incorporate the bis( psy phenyl diguanide) hexane dihydrochloride into the polyamide. For example, it can be prened into polyamide chips with an antifungal agent before spinning. The appropriate amount is 0.1 to 0.8 times by weight the amount of antifungal agent used.If it is less than 0.1 times by weight,
It is difficult to sufficiently stabilize the intrinsic viscosity (-<, and if the amount is more than O and S times the weight, the decrease in the intrinsic viscosity becomes large needles (K), which may actually worsen the spinning condition.

According to the present invention, antifungal polyamide fibers can be manufactured very easily, and the resulting polyamide fibers can be particularly suitably used for socks.

For use in hosiery, the polyamide fibers may be incorporated alone or interwoven with other fibers such as cotton yarn, acrylic fibers, polyester fibers, and antifungal-free polyamide fibers. In addition, even if the above polyamide fiber is tied into the entire sock, only a part of the sock, such as the sole and toes, is K11L.
It can be crowded.

Other uses include carpets and sports clothing.

EXAMPLES Hereinafter, the present invention will be explained with reference to Examples.

In addition, parts in the examples are parts by weight. Example 100 parts of nylon 6 chips with an intrinsic viscosity of 1.30 (measured at 35°C in the solvent metacresol) were mixed with 2 of the amounts listed in Table 1.
-naphthyl-N-methyl-N-(3-tolyl)thiocarbame) (f! Shown as Chukakuramono A) #2-(4
-Thiazolyl)penzimidazole (indicated by compound B in the table) and bis(paraclodiphenyl diguanide) dihydride (indicated by compound C in the table) were blended, and a four-spindle spinning machine was used. Melt spun.

The spinning conditions are: 1M solution, 11 degrees, 2ss℃, 1) Medium speed: 1000
A 210 denier 24 filament unfinished yarn was drawn at a density/min. Measure the time from the start of spinning until the first occurrence of yarn breakage 1. First thing! Showed IK.

As is clear from the table, according to the present invention, the time until yarn breakage occurs can be lengthened by a width of Km.

Table 1 Procedural Amendments 1982 Taga 7th, Mr. Commissioner of the Patent Office 1, Special Request for Indication of Case Showa! i7 32221 No. 2, Name of the invention Process for producing odor-resistant polyamide fiber 3, Relationship to the amended case Patent applicant 1-11 Minamihonmachi, Higashi-ku, Osaka (300) Teijin Ltd. Representative Tomo Tokusue Husband (1) From No. 2 to No. 3 of the specification, insert ``However, 1'' next to ``Depending on the type of antifungal agent, if the antifungal agent is simply blended with poly7mide tip''. .

(2) 3rd vehicle, line 1 k [Nee-ingu 1 is corrected to ni-ring 1.

) length

Claims (1)

[Claims] KII [L, 7-thiomate antifungal agent and/or penzimidazole antifungal agent-containing polyamide fiber is produced by melt-spinning polyamide containing a 7-thiomate antifungal agent and/or penzimidazole antifungal agent. 0.1 to 0.1 times the weight of bis(grasshopper p-7) or benzimidazole antifungal
A method for producing antifungal Boria ξ-do fiber by blending hexane-sibide-tallide.