KR940000620A

KR940000620A - Manufacturing method of windmill cross section composite fiber

Info

Publication number: KR940000620A
Application number: KR1019920011509A
Authority: KR
Inventors: 김광태; 임대우; 백문수; 고형석
Original assignee: 박홍기; 제일합섬 주식회사
Priority date: 1992-06-30
Filing date: 1992-06-30
Publication date: 1994-01-03

Abstract

본 발명은 섬유형성성 폴리머에 이용성 폴리머를 소량 첨가한 것을 제1성분으로 하고, 0.5∼ 10몰%의 유기금속 설폰염을 함유하는 이용성 폴리에스테르를 제2성분으로 하되 제1성분과 제2성분의 혼합비가 하기의 (1)식을 만족하도록 복합방사한 다음 알칼리 감량하여 사단면을 풍차단면화하고 사표면에 미세공을 형성시키는 것을 특징으로 하는 풍차단면형 복합 섬유의 제조방법에 관한 것이다.In the present invention, a small amount of the water-soluble polymer is added to the fiber-forming polymer as the first component, and the first component and the second component include a water-soluble polyester containing 0.5 to 10 mol% of an organometallic sulfone salt as the second component. It is related with the method of manufacturing a windmill cross-section composite fiber, characterized in that the mixing ratio of the composite spinning to satisfy the following formula (1) and then reduced the alkali to cut the cross section of the windmill and to form micropores on the four surface.

0.6≤B/A≤0.95° ………(1)0.6? B / A? … … (One)

A : 제1성분＋제2성분A: 1st component + 2nd component

B : 제1성분B: first component

Description

Manufacturing method of windmill cross section composite fiber

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명 풍차단면형 복합섬유의 단면도로서, (가)는 섬유형성성 폴리머와 이용성 폴리머가 블렌딩된 것을 구성성분으로 하는 것으로, (나)는 금속설폰염을 함유한 이용성 폴리머을 구성 성분으로 하는 것이다.1 is a cross-sectional view of the present invention windmill cross-section composite fiber, (A) is a blend of a fiber-forming polymer and a usable polymer as a component, (B) is a water-soluble polymer containing a metal sulfon salt as a component It is.

Claims

A small amount of the water-soluble polymer is added to the fiber-forming polymer as the first component. A water-soluble polyester containing 0.5 to 10 mol% of organometallic sulfone salt is used as the second component, but the composite spinning is carried out so that the mixing ratio of the first component and the second component satisfies the following formula (1), and then the weight is reduced by alkali. Method for producing a windmill cross-section composite fiber, characterized in that the windmill section and forming fine pores on the dead surface,

0.6? B / A? … … (One)

A: 1st component + 2nd component

B: first component

The method for producing a windmill cross-section composite fiber according to claim 1, wherein the radius of the yarn before the weight loss and the diameter of the yarn after the weight loss satisfy the following formulas (2) and (3).

B / A = 2 (r / R)-(r / R) ² ... … … (2)

0.45 ≦ r / R ≦ 0.78 … … (3)

R: radius of fiber before weight loss

r: radius of concentric circles inside the fiber after weight loss

The method for producing a windmill cross-section composite fiber according to claim 1, wherein the content of the metal sulfone salt satisfies the following formula (4) according to the radius ratio.

r / R x F = K... … … (4)

F: Intrinsic constant (10 to 15)

K: mol% value of metal sulfonate salt

The method for producing a composite fiber according to claim 1, wherein the amount of the water-soluble polymer added to the fiber-forming polymer of the first component is 0.5 to 10% by weight.

※ Note: The disclosure is based on the initial application.