公开(公告)号：US20150185428A1

公开(公告)日：2015-07-02

申请号：US14419972

申请日：2013-07-29

Applicant: FUJIKURA LTD.

Inventor： Naosuke Tani ,  Yasushi Kato ,  Naoki Okada ,  Satoru Shiobara ,  Masashi Ohno

IPC: G02B6/44 ,  G02B1/04

CPC classification number: G02B6/441 ,  G02B1/045 ,  Y10T428/2929

Abstract: Provided is a binder fiber for an optical fiber unit including a flat sea-island color composite fiber, in which the flat sea-island color composite fiber satisfies the following (1) to (3): (1) a sea component of the flat sea-island color composite fiber has a melting start temperature of 100° C. or higher and a melting peak temperature of 120° C. to 150° C.; (2) the flat sea-island color composite fiber has a width of 0.5 to 3.0 mm and a thickness of 0.15 mm or less; and (3) the flat sea-island color composite fiber has a thermal shrinkage rate of 1.0% or lower after being heated at 100° C. for 3 hours. With the binder fiber, the color developing properties are improved, the shape retaining properties of optical fiber cores are maintained, the optical fiber cores are not compressed, and there is no adhesion with another adjacent binder fiber or the optical fiber cores.

Abstract translation: 本发明提供一种包含扁平海岛色复合纤维的扁平海岛色复合纤维的光纤单元用粘合纤维，其中，平坦海岛色复合纤维满​​足以下（1）〜（3）：（1）扁平海岛色复合纤维的海成分 海岛色复合纤维的熔融开始温度为100℃以上，熔融峰温度为120℃〜150℃。 （2）扁平海岛色复合纤维的宽度为0.5〜3.0mm，厚度为0.15mm以下; （3）扁平海岛色复合纤维在100℃加热3小时后的热收缩率为1.0％以下。 利用粘合纤维，改善了显色性，保持了光纤芯的形状保持性，光纤芯不被压缩，并且与另一个相邻的粘合剂纤维或光纤芯不具有附着力。