公开(公告)号：US10287416B2

公开(公告)日：2019-05-14

申请号：US15023238

申请日：2014-09-17

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi Kawai ,  Shogo Nakazawa

IPC: C08K5/098 ,  C08K5/07 ,  C08K5/09 ,  B65D1/26

Abstract: Provided is a thermoformed container having a superior appearance as a result of inhibition of coloring and generation of defects during the melt molding, having sufficient strength, and further having a self-purge feature in a production process. The thermoformed container includes an EVOH layer (A) containing an ethylene-vinyl alcohol copolymer (I) as a principal component, wherein the EVOH layer (A) contains a carbonyl compound (II), the carbonyl compound (II) is an unsaturated aldehyde (II-1), a saturated aldehyde (II-2), a saturated ketone (II-3) or a combination thereof, and the content of the carbonyl compound (II) in the EVOH layer (A) is 0.01 ppm or greater and 100 ppm or less. The carbonyl compound (II) is preferably an unsaturated aldehyde (II-1), and the unsaturated aldehyde (II-1) is preferably an unsaturated aliphatic aldehyde.

公开(公告)号：US09163131B2

公开(公告)日：2015-10-20

申请号：US14382459

申请日：2013-03-27

Applicant: KURARAY CO., LTD.

Inventor： Shogo Nakazawa ,  Hiroshi Kawai

IPC: C08L89/00 ,  C08K5/13 ,  C08F16/34 ,  C08F18/00 ,  C08F218/02 ,  C08K5/07 ,  C08K3/32 ,  C08K3/38 ,  C08K5/09 ,  C08L29/04 ,  C08K5/55

CPC classification number: C08F216/06 ,  B32B7/12 ,  B32B27/08 ,  B32B27/306 ,  B32B27/32 ,  B32B2270/00 ,  C08K3/32 ,  C08K3/38 ,  C08K5/07 ,  C08K5/09 ,  C08K5/55 ,  C08K2003/321 ,  C08K2003/329 ,  C08L29/04

Abstract: The present invention provides a resin composition containing (A) an ethylene-vinyl alcohol copolymer and (B) an unsaturated aldehyde (B), in which the content of the unsaturated aldehyde (B) with respect to the resin composition containing the ethylene-vinyl alcohol copolymer is 0.01 ppm or more and 100 ppm or less. The unsaturated aldehyde (B) is preferably crotonaldehyde, 2,4-hexadienal, 2,4,6-octatrienal or a combination thereof. In addition, it is preferred that the resin composition further contains a boron compound, and the content of the boron compound is 100 ppm or more and 5,000 ppm or less. Also, it is preferred that the resin composition further contains a conjugated polyene compound, and the content of the conjugated polyene compound is 0.01 ppm or more and 1,000 ppm or less.

Abstract translation: 本发明提供一种含有（A）乙烯 - 乙烯醇共聚物和（B）不饱和醛（B）的树脂组合物，其中不饱和醛（B）的含量相对于含有乙烯 - 乙烯基 醇共聚物为0.01ppm以上且100ppm以下。 不饱和醛（B）优选为巴豆醛，2,4-己二烯醛，2,4,6-八碳三烯或其组合。 此外，优选树脂组合物还含有硼化合物，硼化合物的含量为100ppm以上且5000ppm以下。 此外，优选树脂组合物还含有共轭多烯化合物，共轭多烯化合物的含量为0.01ppm以上且1,000ppm以下。

公开(公告)号：US10066095B2

公开(公告)日：2018-09-04

申请号：US14407136

申请日：2013-06-12

Applicant: KURARAY CO., LTD.

Inventor： Shogo Nakazawa ,  Hiroshi Kawai

IPC: C08L29/06 ,  B32B27/34 ,  C08L29/04 ,  B32B27/08 ,  B32B27/32 ,  B32B27/30 ,  A23L3/10 ,  C08K5/07 ,  C08K5/098 ,  C08L77/00 ,  B29C49/04 ,  B29C49/22

Abstract: The present invention provides a resin composition containing: an ethylene-vinyl alcohol copolymer (A) having an ethylene content of 20 mol % or more and 60 mol % or less; a polyamide resin (B); a carboxylic acid metal salt (C); and an unsaturated aldehyde (D), the mass ratio (A/B) of the ethylene-vinyl alcohol copolymer (A) to the polyamide resin (B) being 60/40 or more and 95/5 or less, the content of the carboxylic acid metal salt (C) with respect to a resin content in terms of a metal element equivalent being 1 ppm or more and 500 ppm or less, and the content of the unsaturated aldehyde (D) with respect to the resin content being 0.05 ppm or more and 50 ppm or less.

公开(公告)号：US20150041462A1

公开(公告)日：2015-02-12

申请号：US14384564

申请日：2013-03-27

Applicant: KURARAY CO., LTD.

Inventor： Shogo Nakazawa ,  Hiroshi Kawai ,  Nahoto Hayashi ,  Tatsuya Oshita

IPC: B65D1/02 ,  B29C49/22 ,  B29C49/00 ,  B65D1/40

CPC classification number: B65D1/0215 ,  B29C49/0005 ,  B29C49/22 ,  B29K2023/086 ,  B29K2105/258 ,  B29K2995/0067 ,  B29L2009/00 ,  B29L2031/7158 ,  B32B27/08 ,  B32B27/18 ,  B32B27/306 ,  B32B27/32 ,  B32B2270/00 ,  B32B2307/412 ,  B32B2307/558 ,  B32B2307/7265 ,  B32B2439/40 ,  B32B2439/60 ,  B65D1/40 ,  C08K5/07 ,  C08K5/09 ,  Y10T428/1397 ,  C08L29/04

Abstract: A blow molded container including (A) a layer containing an ethylene-vinyl alcohol copolymer as a principal component, in which the layer (A) contains an unsaturated aldehyde, and the content of the unsaturated aldehyde in the layer (A) is 0.01 ppm or more and 100 ppm or less. The unsaturated aldehyde (II) is preferably an unsaturated aliphatic aldehyde. The unsaturated aldehyde (II) is preferably at least one selected from the group consisting of crotonaldehyde, 2,4-hexadienal and 2,4,6-octatrienal. The layer (A) preferably contains a conjugated polyene compound, and the content of the conjugated polyene compound in the layer (A) is preferably 0.01 ppm or more and 1,000 ppm or less.

Abstract translation: 一种吹塑容器，包括（A）含有乙烯 - 乙烯醇共聚物作为主要成分的层，其中层（A）含有不饱和醛，层（A）中不饱和醛的含量为0.01ppm 以上且100ppm以下。 不饱和醛（II）优选为不饱和脂族醛。 不饱和醛（II）优选为选自巴豆醛，2,4-己二烯醛和2,4,6-辛二烯醛中的至少一种。 层（A）优选含有共轭多烯化合物，层（A）中共轭多烯化合物的含量优选为0.01ppm以上且1,000ppm以下。

公开(公告)号：US20150152256A1

公开(公告)日：2015-06-04

申请号：US14407595

申请日：2013-06-12

Applicant: KURARAY CO., LTD.

Inventor： Shogo Nakazawa ,  Hiroshi Kawai

IPC: C08L29/04 ,  B32B27/42 ,  B32B27/30 ,  B32B27/34 ,  B32B1/02 ,  B32B27/08

CPC classification number: C08L29/04 ,  B32B1/02 ,  B32B27/08 ,  B32B27/306 ,  B32B27/32 ,  B32B27/34 ,  B32B27/42 ,  B32B2250/02 ,  B32B2307/7244 ,  B32B2439/00 ,  C08K5/07 ,  C08L23/0861 ,  C08L2205/025 ,  Y10T428/1352 ,  Y10T428/31855

Abstract: The present invention provides a resin composition containing: (A) an ethylene-vinyl alcohol copolymer having an ethylene content of 20 mol % or more and 50 mol % or less; (B) an ethylene-vinyl alcohol copolymer having an ethylene content of 30 mol % or more and 60 mol % or less; and (C) an unsaturated aldehyde, a value obtained by subtracting the ethylene content of the ethylene-vinyl alcohol copolymer (A) from the ethylene content of the ethylene-vinyl alcohol copolymer (B) being 8 mol % or more, a mass ratio (A/B) of the ethylene-vinyl alcohol copolymer (A) to the ethylene-vinyl alcohol copolymer (B) being 60/40 or more and 95/5 or less, and the content of the unsaturated aldehyde (C) with respect to a resin content being 0.01 ppm or more and less than 100 ppm.

Abstract translation: 本发明提供一种树脂组合物，其含有：（A）乙烯含量为20摩尔％以上且50摩尔％以下的乙烯 - 乙烯醇共聚物; （B）乙烯含量为30摩尔％以上且60摩尔％以下的乙烯 - 乙烯醇共聚物; 和（C）不饱和醛，通过从乙烯 - 乙烯醇共聚物（B）的乙烯含量中减去乙烯 - 乙烯醇共聚物（A）的乙烯含量为8摩尔％以上得到的值，质量比 乙烯 - 乙烯醇共聚物（A）与乙烯 - 乙烯醇共聚物（B）的摩尔比（A / B）为60/40以上且95/5以下，不饱和醛（C）的含量相对于 树脂含量为0.01ppm以上且小于100ppm。

公开(公告)号：US20150105508A1

公开(公告)日：2015-04-16

申请号：US14382459

申请日：2013-03-27

Applicant: KURARAY CO., LTD.

Inventor： Shogo Nakazawa ,  Hiroshi Kawai

IPC: C08K5/07 ,  C08K3/32 ,  C08K5/55 ,  C08K5/09 ,  C08K3/38

CPC classification number: C08F216/06 ,  B32B7/12 ,  B32B27/08 ,  B32B27/306 ,  B32B27/32 ,  B32B2270/00 ,  C08K3/32 ,  C08K3/38 ,  C08K5/07 ,  C08K5/09 ,  C08K5/55 ,  C08K2003/321 ,  C08K2003/329 ,  C08L29/04

Abstract: The present invention provides a resin composition containing (A) an ethylene-vinyl alcohol copolymer and (B) an unsaturated aldehyde (B), in which the content of the unsaturated aldehyde (B) with respect to the resin composition containing the ethylene-vinyl alcohol copolymer is 0.01 ppm or more and 100 ppm or less. The unsaturated aldehyde (B) is preferably crotonaldehyde, 2,4-hexadienal, 2,4,6-octatrienal or a combination thereof. In addition, it is preferred that the resin composition further contains a boron compound, and the content of the boron compound is 100 ppm or more and 5,000 ppm or less. Also, it is preferred that the resin composition further contains a conjugated polyene compound, and the content of the conjugated polyene compound is 0.01 ppm or more and 1,000 ppm or less.

Abstract translation: 本发明提供一种含有（A）乙烯 - 乙烯醇共聚物和（B）不饱和醛（B）的树脂组合物，其中不饱和醛（B）的含量相对于含有乙烯 - 乙烯基 醇共聚物为0.01ppm以上且100ppm以下。 不饱和醛（B）优选为巴豆醛，2,4-己二烯醛，2,4,6-八碳三烯或其组合。 此外，优选树脂组合物还含有硼化合物，硼化合物的含量为100ppm以上且5000ppm以下。 此外，优选树脂组合物还含有共轭多烯化合物，共轭多烯化合物的含量为0.01ppm以上且1,000ppm以下。

公开(公告)号：US09453094B2

公开(公告)日：2016-09-27

申请号：US14842955

申请日：2015-09-02

Applicant: KURARAY CO., LTD.

Inventor： Shogo Nakazawa ,  Hiroshi Kawai

IPC: C08L89/00 ,  C08K5/13 ,  C08F16/34 ,  C08F18/00 ,  C08F218/02 ,  C08F216/06 ,  C08K3/32 ,  C08K3/38 ,  C08K5/07 ,  C08K5/09 ,  C08L29/04 ,  C08K5/55

CPC classification number: C08F216/06 ,  B32B7/12 ,  B32B27/08 ,  B32B27/306 ,  B32B27/32 ,  B32B2270/00 ,  C08K3/32 ,  C08K3/38 ,  C08K5/07 ,  C08K5/09 ,  C08K5/55 ,  C08K2003/321 ,  C08K2003/329 ,  C08L29/04

Abstract: The present invention provides a resin composition containing (A) an ethylene-vinyl alcohol copolymer and (B) an unsaturated aldehyde (B), in which the content of the unsaturated aldehyde (B) with respect to the resin composition containing the ethylene-vinyl alcohol copolymer is 0.01 ppm or more and 100 ppm or less. The unsaturated aldehyde (B) is preferably crotonaldehyde, 2,4-hexadienal, 2,4,6-octatrienal or a combination thereof. In addition, it is preferred that the resin composition further contains a boron compound, and the content of the boron compound is 100 ppm or more and 5,000 ppm or less. Also, it is preferred that the resin composition further contains a conjugated polyene compound, and the content of the conjugated polyene compound is 0.01 ppm or more and 1,000 ppm or less.

公开(公告)号：US20150159005A1

公开(公告)日：2015-06-11

申请号：US14407136

申请日：2013-06-12

Applicant: KURARAY CO., LTD.

Inventor： Shogo Nakazawa ,  Hiroshi Kawai

IPC: C08L29/06 ,  A23L3/10 ,  B32B27/34 ,  B32B27/08 ,  B32B27/30

CPC classification number: C08L29/06 ,  A23L3/10 ,  B29C49/04 ,  B29C49/22 ,  B29K2995/0067 ,  B29K2995/0069 ,  B32B27/08 ,  B32B27/306 ,  B32B27/32 ,  B32B27/34 ,  B32B2274/00 ,  B32B2439/00 ,  B32B2439/70 ,  C08K5/07 ,  C08K5/098 ,  C08L29/04 ,  C08L77/00 ,  Y10T428/1383 ,  Y10T428/31725

Abstract: The present invention provides a resin composition containing: an ethylene-vinyl alcohol copolymer (A) having an ethylene content of 20 mol % or more and 60 mol % or less; a polyamide resin (B); a carboxylic acid metal salt (C); and an unsaturated aldehyde (D), the mass ratio (A/B) of the ethylene-vinyl alcohol copolymer (A) to the polyamide resin (B) being 60/40 or more and 95/5 or less, the content of the carboxylic acid metal salt (C) with respect to a resin content in terms of a metal element equivalent being 1 ppm or more and 500 ppm or less, and the content of the unsaturated aldehyde (D) with respect to the resin content being 0.05 ppm or more and 50 ppm or less.

Abstract translation: 本发明提供一种树脂组合物，其含有：乙烯含量为20摩尔％以上且60摩尔％以下的乙烯 - 乙烯醇共聚物（A） 聚酰胺树脂（B）; 羧酸金属盐（C）; 和不饱和醛（D），乙烯 - 乙烯醇共聚物（A）与聚酰胺树脂（B）的质量比（A / B）为60/40以上且95/5以下， 羧酸金属盐（C）的相对于树脂含量的金属元素当量为1ppm以上至500ppm以下，不饱和醛（D）的含量相对于树脂含量为0.05ppm 以上且50ppm以下。

公开(公告)号：US11279117B2

公开(公告)日：2022-03-22

申请号：US16307006

申请日：2017-06-29

Applicant: KURARAY CO., LTD.

Inventor： Takeyuki Igarashi ,  Shogo Nakazawa

IPC: B32B27/08 ,  B32B27/18 ,  B32B27/30 ,  B32B27/32 ,  B32B7/12 ,  B32B27/28 ,  B65D1/00 ,  B60K15/03 ,  B32B27/00

Abstract: Provided is a fuel container composed of a multilayer structure containing: an ethylene-vinyl alcohol copolymer (A) layer; an adhesive resin (B) layer; a high-density polyethylene (C) layer; and a resin composition (D) layer, wherein the ethylene-vinyl alcohol copolymer (A) contains 15 to 44 mol % of ethylene, the adhesive resin (B) is a maleic anhydride-modified polyolefin having an acid value of 0.1 to 10 mgKOH/g and containing 1 to 8.5 μmol/g of magnesium element, calcium element, zinc element, or a combination thereof, the resin composition (D) contains the ethylene-vinyl alcohol copolymer (A), the adhesive resin (B), and the high-density polyethylene (C), the thickness of the (A) layer, the (B) layer, and the (C) layer satisfies specific conditions, and the ethylene-vinyl alcohol copolymer (A), the adhesive resin (B), and the high-density polyethylene (C) satisfies specific conditions. The fuel container is excellent in fuel barrier properties and impact resistance and enables stable production.

公开(公告)号：US10253161B2

公开(公告)日：2019-04-09

申请号：US15023238

申请日：2014-09-17

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi Kawai ,  Shogo Nakazawa

IPC: C08K5/098 ,  C08K5/07 ,  C08K5/09 ,  B65D1/26

Abstract: Provided is a thermoformed container having a superior appearance as a result of inhibition of coloring and generation of defects during the melt molding, having sufficient strength, and further having a self-purge feature in a production process. The thermoformed container includes an EVOH layer (A) containing an ethylene-vinyl alcohol copolymer (I) as a principal component, wherein the EVOH layer (A) contains a carbonyl compound (II), the carbonyl compound (II) is an unsaturated aldehyde (II-1), a saturated aldehyde (II-2), a saturated ketone (II-3) or a combination thereof, and the content of the carbonyl compound (II) in the EVOH layer (A) is 0.01 ppm or greater and 100 ppm or less. The carbonyl compound (II) is preferably an unsaturated aldehyde (II-1), and the unsaturated aldehyde (II-1) is preferably an unsaturated aliphatic aldehyde.