公开(公告)号：US11492471B2

公开(公告)日：2022-11-08

申请号：US16316585

申请日：2017-07-18

申请人： MITSUI CHEMICALS, INC.

发明人： Akihiko Iwashita ,  Shigeyuki Yasui

IPC分类号： C08L23/12 ,  C08L23/14 ,  C08F210/06 ,  B32B15/085 ,  B32B27/32 ,  C08F222/02 ,  C08F222/06 ,  B65D65/00 ,  C08L23/26 ,  H01M50/10

摘要： A propylene polymer satisfying (a) below, a soft propylene copolymer satisfying (b) below, and a polyolefin containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof, wherein (a) a melting point is 100° C. or more, and (b) an MFR is in the range of 0.01 to 100 g/10 min, at least one of the following requirements (b-1) and (b-2) is satisfied: (b-1) a syndiotactic triad fraction s 60% or more, and (b-2) a structural unit derived from propylene is 55 to 90 mol % and a structural unit derived from at least one olefin having 2 to 20 carbon atoms (excluding propylene) is contained at 10 to 45 mol % (with provisos), and the relation between an intrinsic viscosity [η] (dL/g) and the MFR satisfies the relation: 1.50×MFR−0.20≤[η]≤2.65×MFR−0.20.

公开(公告)号：US12031023B2

公开(公告)日：2024-07-09

申请号：US16976693

申请日：2019-02-08

申请人： MITSUI CHEMICALS, INC.

发明人： Akihiko Iwashita ,  Yoshiyuki Ogawa ,  Youhei Houtani

IPC分类号： C08L23/12 ,  B29C48/08 ,  B65D65/40 ,  C09J123/12 ,  H01M50/119 ,  H01M50/121 ,  H01M50/124 ,  H01M50/126 ,  H01M50/131 ,  H01M50/14 ,  B29K23/00 ,  B29K105/00

CPC分类号： C08L23/12 ,  B29C48/08 ,  B65D65/40 ,  C09J123/12 ,  H01M50/119 ,  H01M50/121 ,  H01M50/124 ,  H01M50/126 ,  H01M50/131 ,  H01M50/14 ,  B29K2023/06 ,  B29K2023/08 ,  B29K2023/12 ,  B29K2023/14 ,  B29K2105/0085 ,  C08L2205/025 ,  C08L2205/035

摘要： Resin composition comprises 35 to 59.9 parts by mass of a propylene polymer (A) satisfying below; 25 to 40 parts by mass of a soft propylene copolymer (B); 0.1 to 10 parts by mass of a polyolefin (C) containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof; and 15 to 30 parts by mass of an ethylene polymer (D) (provided that the total of (A), (B), (C), and (D) is 100 parts by mass), wherein an MFR measured at 230° C. and a load of 2.16 kg according to ASTM D-1238 is 7 g/10 min or more and 25 g/10 min or less, with each component satisfying certain requirements.

公开(公告)号：US09714306B2

公开(公告)日：2017-07-25

申请号：US15128336

申请日：2015-03-26

申请人： MITSUI CHEMICALS, INC.

发明人： Yasushi Yanagimoto ,  Tomoaki Matsugi ,  Akihiko Iwashita ,  Tatsuya Nakamura ,  Junji Saito

IPC分类号： C08F210/00 ,  C08F210/16

CPC分类号： C08F210/16 ,  C08F4/64048 ,  C08F4/65927 ,  C08F290/042 ,  C08L23/0815 ,  C08F4/65904 ,  C08F210/06 ,  C08F2500/04 ,  C08F2500/05 ,  C08F2500/17 ,  C08F210/08 ,  C08F210/14 ,  C08F210/02

摘要： The present invention provides an olefin resin with an improved heat resistance, reduced stickiness, excellent optical and low temperature properties, as well as the balance between these physical properties. The olefin resin according to the present invention satisfies the following requirements: (I) a melting peak (Tm) is observed within the range of from 60° C. to 130° C., and the heat of fusion ΔH at the melting peak is within the range of from 5 to 150 J/g; (II) the percentage E (wt %) of a portion soluble in o-dichlorobenzene at 20° C. or lower, and the heat of fusion ΔH satisfy certain relationships; (III) the glass transition temperature (Tg) is from −80 to −30° C.; (IV) the spin-spin relaxation time (T2) of a component having the highest mobility, as obtained in a four-component approximation with a Lorentzian function performed for a free induction decay curve, is within the range of from 150 to 500 ms, and the abundance ratio of the component is within the range of from 15 to 50%; and (V) the intrinsic viscosity [η] as measured in decalin at 135° C. is within the range of from 0.1 to 12 dl/g.

公开(公告)号：US11292945B2

公开(公告)日：2022-04-05

申请号：US17046626

申请日：2019-04-05

申请人： MITSUI CHEMICALS, INC.

发明人： Akihiko Iwashita ,  Yoshiyuki Ogawa

IPC分类号： B65D65/40 ,  C09J151/06 ,  C09J123/26 ,  C09J151/00 ,  B32B7/12 ,  B32B27/08 ,  B32B27/32 ,  B32B27/34 ,  B32B1/00 ,  B32B27/30

摘要： An adhesive resin composition of the invention includes an ethylene polymer (A) including an ethylene polymer graft-modified with an unsaturated carboxylic acid or a derivative thereof, and satisfies the following requirements (1) to (4). (1) The melt flow rate (MFR) measured at a temperature of 190° C. and a load of 2160 g in accordance with ASTM D 1238 is 0.1 to 3 g/10 min. (2) The density is 910 to 930 kg/m3. (3) The proportion of fractions that elute at 50° C. and below in crystallization elution fractionation chromatography measurement is not less than 20 mass %. (4) The proportion of fractions that elute at 90° C. and above in crystallization elution fractionation chromatography measurement is not less than 25 mass %.

公开(公告)号：US09771448B2

公开(公告)日：2017-09-26

申请号：US15128012

申请日：2015-03-26

申请人： MITSUI CHEMICALS, INC.

发明人： Yasushi Yanagimoto ,  Tomoaki Matsugi ,  Akihiko Iwashita ,  Tatsuya Nakamura ,  Keita Itakura ,  Ryoichi Tsunori

IPC分类号： C08F290/04 ,  C08F293/00

CPC分类号： C08F290/042 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/65927 ,  C08F255/02 ,  C08F290/04 ,  C08F293/00 ,  C08F2420/01 ,  C08F2420/02 ,  C08L51/06 ,  C08L55/00 ,  C08F110/06 ,  C08F4/6543 ,  C08F4/6565 ,  C08F210/06 ,  C08F210/16 ,  C08F2500/17 ,  C08F2500/20 ,  C08F210/08

摘要： An olefin resin having requirements (I) to (VI) is provided: (I) a grafted olefin polymer containing a main chain with an ethylene/α-olefin copolymer and a side chain with a propylene polymer; (II) the ratio P wt % of propylene polymer is from 5 to 60 wt %; (III) when the ratio of the amount of a component(s) having a peak temperature of a differential elution curve as measured by CFC using o-dichlorobenzene of less that 65° C., to the amount of (β) taken as E wt %, the value a represented by an equation (Eq-1), is 1.4 or more; (IV) the melting point (Tm) is 120 to 165° C. and the glass transition temperature (Tg) is −80 to −30° C., as measured by DSC; (V) the hot xylene-insoluble content is less than 3 wt %; and, (VI) the limiting viscosity as measured in decalin at 135° C. is 0.5 to 5.0 dl/g.