公开(公告)号：US20160115360A1

公开(公告)日：2016-04-28

申请号：US14894152

申请日：2014-05-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuhiro HASHIMA ,  Tomoaki TAKEBE ,  Yutaka MINAMI ,  Masao INOUE ,  Kenji KOBAYASHI

IPC: C09J123/12 ,  A61L15/58 ,  A61L15/24 ,  C09J5/00

CPC classification number: C09J123/12 ,  A61L15/24 ,  A61L15/58 ,  C08F4/65908 ,  C08F4/65912 ,  C08F110/06 ,  C09J5/00 ,  C09J5/06 ,  C09J201/00 ,  C09J2201/61 ,  C09J2400/263 ,  C09J2423/00 ,  C08F4/65927

Abstract: Provided is a hot-melt adhesive which satisfies both solidification rate and adhesiveness. A base polymer for a hot-melt adhesive which satisfies the following (1) and (2): (1) a modulus of elasticity in tension at 23° C. is 400 MPa or less; and (2) a semi-crystallization time at 23° C. is 20 minutes or less.

Abstract translation: 提供一种满足凝固速度和粘合性的热熔粘合剂。 用于热熔粘合剂的基础聚合物，其满足以下（1）和（2）：（1）23℃下的拉伸弹性模量为400MPa以下; 和（2）在23℃下的半结晶时间为20分钟以下。

公开(公告)号：US20160032504A1

公开(公告)日：2016-02-04

申请号：US14775222

申请日：2014-03-14

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yohei KOORI ,  Tomoaki TAKEBE ,  Yutaka MINAMI

IPC: D04H1/4291 ,  D04H3/007 ,  D04H1/724 ,  D04H3/033 ,  D04H3/147 ,  D04H1/4382

CPC classification number: D04H1/4291 ,  C08L23/14 ,  C08L2203/12 ,  C08L2205/025 ,  D01F8/06 ,  D04H1/4382 ,  D04H1/724 ,  D04H3/007 ,  D04H3/033 ,  D04H3/147 ,  D10B2321/021 ,  D10B2321/022 ,  D10B2501/00 ,  D10B2509/02

Abstract: Provided is a spunbonded nonwoven fabric comprising a core-sheath composite fiber having a core part composed of a core component containing a propylene-based resin (A) satisfying the following (a) to (e) and a sheath part composed of a sheath component containing an ethylene-based resin. (a) [mmmm]=20 to 60 mol %, (b) [mm]×[rr]/[mr]2≦2.0, (c) weight average molecular weight (Mw)=10,000 to 200,000, (d) molecular weight distribution (Mw/Mn)

Abstract translation: 本发明提供一种纺粘无纺布，其包含具有由含有满足以下（a）〜（e）的丙烯系树脂（A）的芯成分构成的芯部的芯鞘复合纤维和由鞘成分 含有乙烯类树脂。 （a）[mmmm] = 20〜60mol％，（b）[mm]×[rr] / [mr] 2＆nlE; 2.0，（c）重均分子量（Mw）= 10,000〜200,000，（d） 重量分布（Mw / Mn）<4.0，（e）熔点（Tm-D），其定义为在熔融吸热曲线的最高温度侧观察到的峰的峰顶，其通过保持在 氮气氛下，在-10℃下搅拌5分钟，然后用差示扫描量热计（DSC）以10℃/ min的速率升温，为0-120℃

公开(公告)号：US20210404099A1

公开(公告)日：2021-12-30

申请号：US17290926

申请日：2019-11-06

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Mari YABE ,  Takumi SUGIUCHI ,  Masaki OKANO ,  Yutaka MINAMI

IPC: D04H3/147 ,  D04H3/007 ,  D04H3/018 ,  D01F8/06 ,  C08L23/12 ,  C08L23/04

Abstract: The present invention relates to a nonwoven fabric including a conjugated fiber containing 40% by mass or more and 80% by mass or less of a propylene homopolymer (A) having a melting point (Tm-D) measured by a differential scanning calorimeter (DSC) of higher than 120° C., 4% by mass or more and 40% by mass or less of a polypropylene-based resin (B) having a melting point (Tm-D) measured by a differential scanning calorimeter (DSC) of 120° C. or lower, and 10% by mass or more and 55% by mass or less of a polyethylene-based resin (C), wherein the nonwoven fabric has a texture uniformity of 2.1 or more and 3.0 or less and a bulkiness of 450 μm or more.

公开(公告)号：US20200071867A1

公开(公告)日：2020-03-05

申请号：US16613524

申请日：2018-05-16

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Mari YABE ,  Takumi SUGIUCHI ,  Yutaka MINAMI ,  Tomoaki TAKEBE

IPC: D04H3/147 ,  D04H3/007 ,  D01F8/06 ,  D01D5/22

Abstract: The present invention relates to a crimped fiber including one component thereof containing a thermoplastic resin (A) and another component thereof containing a thermoplastic resin (B) and a thermoplastic resin (C), wherein a half-crystallization time at 25° C. of the thermoplastic resin (A) is shorter than a half-crystallization time at 25° C. of the thermoplastic resin (B), and a half-crystallization time at 25° C. of the thermoplastic resin (C) is longer than the half-crystallization time at 25° C. of the thermoplastic resin (B).

公开(公告)号：US20150368836A1

公开(公告)日：2015-12-24

申请号：US14763994

申请日：2014-01-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yohei KOORI ,  Tomoaki TAKEBE ,  Yutaka MINAMI

IPC: D04H1/4291 ,  D01D5/08

CPC classification number: D04H1/4291 ,  D01D5/08 ,  D04H3/007 ,  D04H3/016 ,  D10B2501/00 ,  D10B2509/026 ,  Y10T442/608 ,  Y10T442/681

Abstract: Provided is a fibrous nonwoven fabric including a resin composition (C) containing a high-crystalline polyolefin (A) and a low-crystalline polyolefin (B), wherein a half-crystallization time (tc) of the resin composition (C) is 1.2 to 2.0 times a half-crystallization time (ta) of the high-crystalline polyolefin (A).

Abstract translation: 本发明提供一种包含含有高结晶性聚烯烃（A）和低结晶性聚烯烃（B）的树脂组合物（C）的纤维无纺布，其中，树脂组合物（C）的半结晶时间（tc）为1.2 至高结晶性聚烯烃（A）的半结晶时间（ta）的2.0倍。

公开(公告)号：US20150368522A1

公开(公告)日：2015-12-24

申请号：US14767462

申请日：2014-02-03

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroki FUJINAMI ,  Kazuhiro HASHIMA ,  Yutaka MINAMI ,  Tomoaki TAKEBE

IPC: C09J123/08 ,  C08F110/06

CPC classification number: C09J123/0815 ,  C08F110/06 ,  C08L23/06 ,  C08L23/0815 ,  C08L23/10 ,  C08L23/12 ,  C09J11/08 ,  C09J191/06 ,  C08F4/65927 ,  C08F4/65908 ,  C08F4/65912 ,  C08F2500/02 ,  C08F2500/15 ,  C08F2500/22

Abstract: Provided are a propylene-based polymer which enhances heat creep resistance and a hot-melt adhesive having excellent heat creep resistance. A propylene-based polymer which satisfies the following (1) and (2): (1) 125≦a modulus of elasticity in tension (MPa) at 23° C.≦400; and (2) 100≦an elongation at break (%) at 23° C.≦1,000, and a hot-melt adhesive containing the propylene-based polymer in an amount of 1 to 50% by mass.

Abstract translation: 提供提高耐热蠕变性的丙烯类聚合物和耐热蠕变性优异的热熔性粘合剂。 满足以下（1）和（2）的丙烯类聚合物：（1）125＆lt; ll; 23℃时的拉伸弹性模量（MPa）＆amp; 400; 和（2）100＆lt;在23℃下的断裂伸长率（％）＆lt; 1000;以及含有1〜50质量％的丙烯类聚合物的热熔粘合剂。