公开(公告)号：US20160053036A1

公开(公告)日：2016-02-25

申请号：US14842955

申请日：2015-09-02

Applicant: Kuraray Co., Ltd.

Inventor： Shogo NAKAZAWA ,  Hiroshi KAWAI

IPC: C08F216/06 ,  C08K5/09 ,  C08K3/32 ,  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.

公开(公告)号：US20200339771A1

公开(公告)日：2020-10-29

申请号：US16958559

申请日：2018-12-27

Applicant: KURARAY CO., LTD.

Inventor： Tatsuya HASEGAWA ,  Hiroshi KAWAI ,  Mizuko OSHITA

IPC: C08J5/18 ,  C08K3/38 ,  B32B27/08 ,  B32B27/30 ,  B29C55/00 ,  B29C51/00 ,  B65D65/40

Abstract: Provided are a resin composition, a production method thereof, and a molded product and a multilayer structure each including such a resin composition. The resin composition enables: even in the case in which a film formation temperature is high, excessive elevation of torque to be inhibited with occurrence of neck-in during film formation being prevented; a molded product superior in appearance characteristics to be formed continuously for a long time period, with defects such as fish eyes and streaks being prevented; and further a thermoformable multilayer structure to be produced continuously for a long time period, the thermoformable multilayer structure being capable of providing a thermoformed product superior in appearance characteristics. A resin composition containing: an ethylene-vinyl alcohol copolymer (A) having an ethylene unit content of 20 to 60 mol %; and a boron compound (B), the boron compound (B) including a free boric acid (C), with a content of the boron compound (B) with respect to the ethylene-vinyl alcohol copolymer (A) being 100 ppm or more and 5,000 ppm or less in terms of orthoboric acid, and a proportion of the free boric acid (C) in the boron compound (B) being 0.1% by mass or more and 10% by mass or less in terms of orthoboric acid.

公开(公告)号：US20160229987A1

公开(公告)日：2016-08-11

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

CPC classification number: C08K5/098 ,  B32B1/02 ,  B32B15/085 ,  B32B15/09 ,  B32B27/08 ,  B32B27/18 ,  B32B27/306 ,  B32B27/32 ,  B32B27/36 ,  B32B2250/05 ,  B32B2250/24 ,  B32B2250/242 ,  B32B2250/40 ,  B32B2270/00 ,  B32B2272/00 ,  B32B2307/7244 ,  B32B2307/732 ,  B32B2307/738 ,  B32B2439/02 ,  B32B2439/06 ,  B32B2439/40 ,  B32B2439/60 ,  B32B2439/70 ,  B32B2439/80 ,  B65D1/26 ,  C08K5/07 ,  C08K5/09 ,  C08L29/04

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.

Abstract translation: 提供一种热成型容器，其由于在熔融成型期间抑制着色和产生缺陷而具有优异的外观，具有足够的强度，并且在生产过程中还具有自净化特征。 热成型容器包括含有乙烯 - 乙烯醇共聚物（I）作为主要成分的EVOH层（A），其中EVOH层（A）含有羰基化合物（II），羰基化合物（II）是不饱和醛 （II-1），饱和醛（II-2），饱和酮（II-3）或其组合，EVOH层（A）中羰基化合物（II）的含量为0.01ppm以上 和100ppm以下。 羰基化合物（II）优选为不饱和醛（II-1），不饱和醛（II-1）优选为不饱和脂肪族醛。

公开(公告)号：US20160221314A1

公开(公告)日：2016-08-04

申请号：US15026418

申请日：2014-10-02

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi KAWAI

IPC: B32B27/34 ,  B32B27/06 ,  C08L29/04

CPC classification number: B32B27/34 ,  B32B27/06 ,  B32B27/20 ,  B32B27/288 ,  B32B27/306 ,  B32B2264/105 ,  B32B2270/00 ,  B32B2439/00 ,  B32B2439/70 ,  B32B2553/00 ,  C08K5/04 ,  C08K5/07 ,  C08L23/0861 ,  C08L29/04 ,  C08L77/00 ,  C08L77/02 ,  C08L77/06 ,  C08L2201/08

Abstract: Provided is a resin composition that is superior in retort resistance as well as inhibitory effects on the odor and generation of burnt deposits in an operation over a long time period. The resin composition contains: an ethylene-vinyl alcohol copolymer (A) having an ethylene content of 20 mol % or greater and 60 mol % or less; a polyamide (B); a carboxylic acid metal salt (C); and a saturated carbonyl compound (D) having 3 to 8 carbon atoms, wherein the saturated carbonyl compound (D) is a saturated aldehyde (D-1), a saturated ketone (D-2) or a combination thereof, the mass ratio (A/B) of the ethylene-vinyl alcohol copolymer (A) to the polyamide (B) is 60/40 or greater and 95/5 or less, the content of the carboxylic acid metal salt (C) with respect to the resin content in terms of metal element equivalent is 1 ppm or greater and 500 ppm or less, and the content of the saturated carbonyl compound (D) with respect to the resin content is 0.01 ppm or greater and 100 ppm or less.

Abstract translation: 本发明提供一种树脂组合物，其在耐蒸煮性方面优异，并且对长时间的操作中的气味和燃烧沉积物的产生具有抑制作用。 树脂组合物含有：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（B）; 羧酸金属盐（C）; 和饱和羰基化合物（D），其中饱和羰基化合物（D）为饱和醛（D-1），饱和酮（D-2）或其组合，质量比（ 乙烯 - 乙烯醇共聚物（A）与聚酰胺（B）的摩尔比A / B为60/40以上且95/5以下，羧酸金属盐（C）的含量相对于树脂含量 以金属元素当量为1ppm以上且500ppm以下，饱和羰基化合物（D）相对于树脂含量的含量为0.01ppm以上且100ppm以下。

公开(公告)号：US20160108193A1

公开(公告)日：2016-04-21

申请号：US14894459

申请日：2014-05-28

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi KAWAI ,  Yasuhiro NONAKA

IPC: C08J5/18 ,  C08K3/22 ,  C08K3/36 ,  C08J7/06 ,  C08K5/07

CPC classification number: C08J5/18 ,  C08J7/06 ,  C08J2323/08 ,  C08J2329/04 ,  C08K3/01 ,  C08K3/02 ,  C08K3/22 ,  C08K3/36 ,  C08K5/07 ,  C08K2003/2213 ,  C08K2003/222 ,  C08K2003/2227 ,  C08K2003/2244 ,  C08K2003/2255 ,  C23C14/14 ,  C08L29/04

Abstract: Provided is a resin composition that achieves superior appearance characteristics such as a color of a film end (or a roll end) after melt molding, film-breaking resistance, blocking resistance, vapor deposition defects-inhibiting properties, and adhesive strength of a vapor deposition layer. The resin composition contains: an ethylene-vinyl alcohol copolymer; inorganic particles; and an aliphatic carbonyl compound having 3 to 8 carbon atoms, in which the content of the inorganic particles is 50 ppm or greater and 5,000 ppm or less, the aliphatic carbonyl compound is at least one selected from the group consisting of a saturated aldehyde, an unsaturated aldehyde and a saturated ketone, and the content of the aliphatic carbonyl compound is 0.01 ppm or greater and 100 ppm or less. The inorganic particles preferably contain a metal element which is at least one selected from the group consisting of silicon, aluminum, magnesium, zirconium, cerium, tungsten and molybdenum.

Abstract translation: 提供一种树脂组合物，其在熔融成型后具有优异的外观特性，如胶片端（或辊端）的颜色，抗破坏性，耐粘连性，气相沉积缺陷抑制性能和气相沉积的粘合强度 层。 树脂组合物含有：乙烯 - 乙烯醇共聚物; 无机颗粒; 和碳原子数为3〜8的脂肪族羰基化合物，其中无机粒子的含量为50ppm以上且5000ppm以下，脂肪族羰基化合物为选自饱和醛， 不饱和醛和饱和酮，脂族羰基化合物的含量为0.01ppm以上且100ppm以下。 无机颗粒优选含有选自硅，铝，镁，锆，铈，钨和钼中的至少一种的金属元素。

公开(公告)号：US20160244601A1

公开(公告)日：2016-08-25

申请号：US15026673

申请日：2014-10-02

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi KAWAI

IPC: C08L29/02 ,  B32B27/30 ,  B65D65/38 ,  B32B27/08

CPC classification number: C08L29/02 ,  B29C47/0021 ,  B29C47/065 ,  B29C47/6087 ,  B29C47/92 ,  B29C51/10 ,  B29C51/14 ,  B29C2947/92704 ,  B32B27/06 ,  B32B27/08 ,  B32B27/18 ,  B32B27/288 ,  B32B27/306 ,  B32B2270/00 ,  B32B2307/54 ,  B32B2439/70 ,  B65D65/38 ,  C08K5/07 ,  C08L23/0861 ,  C08L23/16 ,  C08L29/04 ,  C08L2205/025

Abstract: Provided is a resin composition that exhibits inhibited flow marks, coloring and odor in a long-run operation, and is superior in heat stretching properties. The resin composition contains: an ethylene-vinyl alcohol copolymer (EVOH) (A) having an ethylene content of 20 mol % or greater and 50 mol % or less; EVOH (B) having an ethylene content of 30 mol % or greater and 60 mol % or less; and a saturated carbonyl compound (C) having 3 to 8 carbon atoms, wherein the saturated carbonyl compound (C) is a saturated aldehyde (C-1), a saturated ketone (C-2) or a combination thereof, a value obtained by subtracting the ethylene content of the EVOH (A) from the ethylene content of the EVOH (B) is 8 mol % or greater, the mass ratio (A/B) of the EVOH (A) to the EVOH (B) is 60/40 or greater and 95/5 or less, and the content of the saturated carbonyl compound (C) with respect to the resin content is 0.01 ppm or greater and less than 100 ppm.

Abstract translation: 提供一种在长时间运行中表现出抑制流动痕迹，着色和气味的树脂组合物，并且热拉伸性能优异。 树脂组合物含有：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（EVOH）（A） 乙烯含量为30摩尔％以上且60摩尔％以下的EVOH（B） 和碳原子数3〜8的饱和羰基化合物（C），饱和羰基化合物（C）为饱和醛（C-1），饱和酮（C-2）或其组合， 从EVOH（B）的乙烯含量减去EVOH（A）的乙烯含量为8摩尔％以上，EVOH（A）与EVOH（B）的质量比（A / B）为60 / 40以上且95/5以下，饱和羰基化合物（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：US20160243746A1

公开(公告)日：2016-08-25

申请号：US15026140

申请日：2014-10-02

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi KAWAI

IPC: B29C49/22 ,  B29B11/06 ,  C08L23/08 ,  B65D1/02 ,  B65D65/40 ,  B29C49/00 ,  B29B11/14

CPC classification number: B29C49/22 ,  B29B11/06 ,  B29B11/14 ,  B29B2911/14126 ,  B29B2911/14633 ,  B29B2911/14646 ,  B29C47/0011 ,  B29C47/0014 ,  B29C47/8895 ,  B29C49/0005 ,  B29K2023/065 ,  B29K2023/086 ,  B29K2105/0088 ,  B29K2105/258 ,  B29K2995/0026 ,  B29K2995/0089 ,  B29L2031/7158 ,  B29L2031/7172 ,  B32B1/02 ,  B32B7/12 ,  B32B27/08 ,  B32B27/18 ,  B32B27/306 ,  B32B27/32 ,  B32B2270/00 ,  B32B2272/00 ,  B32B2307/558 ,  B32B2307/7244 ,  B32B2439/00 ,  B32B2439/70 ,  B65D1/0215 ,  B65D65/40 ,  C08L23/0853

Abstract: Provided is a blow-molded container exhibiting inhibited coloring, odor, and generation of defects such as gelation and streaks which are caused on melt molding, and having a superior appearance. Also provided is a blow-molded container that has a favorable self-purge feature in production and satisfactory qualities such as strength, and can be produced at low cost. The blow-molded container includes a first layer containing an ethylene-vinyl alcohol copolymer (I), wherein the first layer contains a saturated carbonyl compound (II) having 3 to 8 carbon atoms, the saturated carbonyl compound (II) is a saturated aldehyde (II-1), a saturated ketone (II-2) or a combination thereof, and the content of the saturated carbonyl compound (II) in the first layer is 0.01 ppm or greater and 100 ppm or less.

Abstract translation: 本发明提供一种吹塑成型容器，其在熔融成型时具有抑制着色，气味和产生诸如凝胶化和条纹的缺陷，并且具有优异的外观。 还提供了一种吹塑容器，其在生产中具有良好的自净化特性和令人满意的强度等特性，并且可以以低成本生产。 吹塑容器包括含有乙烯 - 乙烯醇共聚物（I）的第一层，其中第一层含有具有3-8个碳原子的饱和羰基化合物（II），饱和羰基化合物（II）是饱和醛 （II-1），饱和酮（II-2）或其组合，第一层中的饱和羰基化合物（II）的含量为0.01ppm以上且100ppm以下。

公开(公告)号：US20160221313A1

公开(公告)日：2016-08-04

申请号：US15026446

申请日：2014-10-02

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi KAWAI ,  Shogo NAKAZAWA

IPC: B32B27/32 ,  B32B27/08 ,  C08L23/06

CPC classification number: B32B27/32 ,  B29C49/0005 ,  B29C51/002 ,  B29K2023/083 ,  B32B27/08 ,  B32B27/18 ,  B32B27/306 ,  B32B2307/558 ,  B32B2307/738 ,  B32B2439/00 ,  B32B2439/60 ,  C08K5/07 ,  C08K5/098 ,  C08L23/06 ,  C08L23/0861 ,  C08L29/04 ,  C08L51/06 ,  C08L2201/08 ,  C08L2203/30 ,  C08L2205/06 ,  C08L2207/062

Abstract: Provided is a resin composition exhibiting inhibited generation of defects in thermoforming, and having a superior appearance and sufficient strength. Also provided are a multilayer structure and a thermoformed container that exhibit superior appearance characteristics and impact resistance even when a recovered material obtained by repeatedly recovering a remnant, a scrap and the like of a sheet containing the resin composition is used. The resin composition contains: an ethylene-vinyl alcohol copolymer (A); a polyolefin (B); and a carbonyl compound (C) having 3 to 8 carbon atoms. The carbonyl compound (C) is an unsaturated aldehyde (C-1), a saturated aldehyde (C-2), a saturated ketone (C-3) or a combination thereof, and the content of the carbonyl compound (C) is 0.01 ppm or greater and 100 ppm or less.

Abstract translation: 本发明提供一种表现出抑制热成型缺陷产生的树脂组合物，具有优异的外观和足够的强度。 即使使用通过反复回收含有树脂组合物的片材的残留物，废料等而获得的回收材料，也提供了表现出优异的外观特性和耐冲击性的多层结构和热成型容器。 树脂组合物含有：乙烯 - 乙烯醇共聚物（A）; 聚烯烃（B）; 和碳原子数为3〜8的羰基化合物（C）。 羰基化合物（C）为不饱和醛（C-1），饱和醛（C-2），饱和酮（C-3）或其组合，羰基化合物（C）的含量为0.01 ppm以上且100ppm以下。

公开(公告)号：US20170183426A1

公开(公告)日：2017-06-29

申请号：US15325317

申请日：2015-07-10

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi KAWAI ,  Yasuhiro NONAKA ,  Syunsuke FUJIOKA ,  Hatsuyo MIYAKE

IPC: C08F8/12 ,  C23C14/24 ,  B32B27/08 ,  B32B27/30 ,  B65D1/40 ,  C08J5/18 ,  C08K3/36 ,  C08L23/06 ,  B65D65/38 ,  C23C14/20 ,  C08K5/098

CPC classification number: C08F8/12 ,  B29B9/06 ,  B29B9/12 ,  B29C49/0005 ,  B29C49/22 ,  B29C51/002 ,  B29C51/14 ,  B29K2023/083 ,  B29K2105/253 ,  B32B7/12 ,  B32B15/085 ,  B32B15/09 ,  B32B15/20 ,  B32B27/08 ,  B32B27/10 ,  B32B27/20 ,  B32B27/28 ,  B32B27/302 ,  B32B27/304 ,  B32B27/306 ,  B32B27/308 ,  B32B27/32 ,  B32B27/322 ,  B32B27/34 ,  B32B27/36 ,  B32B27/365 ,  B32B27/40 ,  B32B2250/24 ,  B32B2255/10 ,  B32B2255/205 ,  B32B2255/26 ,  B32B2255/28 ,  B32B2262/101 ,  B32B2264/102 ,  B32B2270/00 ,  B32B2307/31 ,  B32B2307/518 ,  B32B2307/538 ,  B32B2307/54 ,  B32B2307/558 ,  B32B2307/7242 ,  B32B2307/7244 ,  B32B2307/738 ,  B32B2307/746 ,  B32B2307/748 ,  B32B2439/40 ,  B32B2439/46 ,  B32B2439/70 ,  B32B2439/80 ,  B65D1/40 ,  B65D65/38 ,  C08F216/06 ,  C08J5/18 ,  C08J2323/08 ,  C08K3/36 ,  C08K5/098 ,  C08K2201/005 ,  C08L23/06 ,  C08L23/0861 ,  C08L29/04 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/066 ,  C23C14/20 ,  C23C14/24 ,  C08F210/02 ,  C08K13/02 ,  C08L77/02 ,  C08L51/06

Abstract: Provided are an ethylene-vinyl alcohol copolymer, a resin composition and a molded product thereof being superior in long-run stability of melt molding, with inhibited coloring and generation of film forming defects such as flaws in formed film and streaks, and also being superior in appearance characteristics. An ethylene-vinyl alcohol copolymer (A) obtained by saponifying a copolymer of ethylene and a vinyl ester, in which molecular weights determined by using gel permeation chromatography with a differential refractive index detector and an ultraviolet and visible absorbance detector after a heat treatment in a nitrogen atmosphere at 220° C. for 50 hrs satisfy the inequality (1): (Ma−Mb)/Ma

公开(公告)号：US20160251500A1

公开(公告)日：2016-09-01

申请号：US15026379

申请日：2014-10-02

Applicant: KURARAY CO., LTD.

Inventor： Hiroshi KAWAI

IPC: C08K13/02

CPC classification number: C08K13/02 ,  B29C47/0021 ,  B29C47/065 ,  B29C47/6087 ,  B29C47/92 ,  B29C51/10 ,  B29C51/14 ,  B29C2947/92704 ,  B32B27/08 ,  B32B27/18 ,  B32B27/288 ,  B32B27/306 ,  B32B2307/584 ,  B32B2439/00 ,  C08K5/07 ,  C08L23/16 ,  C08L29/04

Abstract: Provided are a resin composition, a resin formed product and a multilayer structure that are superior in long-run workability in melt molding, and are capable of forming an article exhibiting inhibited coloring and generation of defects such as streaks and fish eyes and having superior appearance characteristics while generation of an odor is inhibited. The resin composition contains an ethylene-vinyl alcohol copolymer (A) and a saturated carbonyl compound (B) having 3 to 8 carbon atoms, wherein the saturated carbonyl compound (B) is a saturated aldehyde (B-1), a saturated ketone (B-2) or a combination thereof, and the content of the saturated carbonyl compound (B) is 0.01 ppm or greater and 100 ppm or less. The saturated aldehyde (B-1) is preferably propanal, butanal, hexanal or a combination thereof. The saturated ketone (B-2) is preferably acetone, methyl ethyl ketone, 2-hexanone or a combination thereof.

Abstract translation: 提供在熔融成型中长期加工性优异的树脂组合物，树脂成型体和多层结构体，能够形成抑制着色的物品，条纹和鱼眼等缺陷的产生，外观优异 特性，同时抑制气味的产生。 树脂组合物含有乙烯 - 乙烯醇共聚物（A）和碳原子数为3〜8的饱和羰基化合物（B），其中饱和羰基化合物（B）为饱和醛（B-1），饱和酮（ B-2）或其组合，饱和羰基化合物（B）的含量为0.01ppm以上且100ppm以下。 饱和醛（B-1）优选是丙醛，丁醛，己醛或其组合。 饱和酮（B-2）优选为丙酮，甲基乙基酮，2-己酮或其组合。