Resin composition and multilayered structure using same

    公开(公告)号:US10329411B2

    公开(公告)日:2019-06-25

    申请号:US13637448

    申请日:2011-03-25

    摘要: A resin composition, containing: (A) polyolefin; (B) a saponified ethylene-vinyl acetate copolymer having an ethylene content of from 20 to 65 mol % and a degree of saponification of vinyl acetate units of 96% or more; (C) a saponified ethylene-vinyl acetate copolymer having an ethylene content of from 68 to 98 mol % and a degree of saponification of vinyl acetate units of 20% or more; (D) a random copolymer consisting of ethylene and vinyl acetate; (E) a pigment comprising titanium oxide particles comprising a surface coated with a compound of a metal other than titanium or a silicon compound; and (I) a lubricant; wherein a mass ratio (AB) is from 3 to 99.5, a mass ratio (B/C) is from 1 to 100, a mass ratio of (D/C) is from 0.1 to 15, a mass ratio (E/C) is from 0.04 to 50, and a content of (C) is from 0.01 to 2.4 parts, particularly 0.33 to 1.5 parts, by mass based on 100 parts by mass of (A) and (B). A molded product, in particular a multilayered structure, obtained by melt molding the resin composition has good dispersibility of the pigment, and improved uneven coloration.

    Process for production of multilayered structure
    4.
    发明授权
    Process for production of multilayered structure 有权
    生产多层结构的方法

    公开(公告)号:US09457545B2

    公开(公告)日:2016-10-04

    申请号:US13643583

    申请日:2011-04-27

    摘要: Provided is a method of producing a multilayered structure, comprising the steps of: obtaining a regrind (C) by grinding a multilayered structure (B) having a layer of a resin composition (A), followed by sieving; and obtaining a multilayered structure (F) having a layer of a resin composition (E) made by melt kneading the regrind (C) and a polyolefin (D), wherein the resin composition (A) contains a polyolefin (G), a saponified ethylene-vinyl acetate copolymer (H) having an ethylene content of from 20 to 65 mol % and having a degree of saponification of vinyl acetate units of 96% or more, a saponified ethylene-vinyl acetate copolymer (I) having an ethylene content of from 68 to 98 mol % and having a degree of saponification of vinyl acetate units of 20% or more, and an antistatic agent (J), and a mass ratio (H/I) is from 0.1 to 10. According to this, using a regrind of a multilayered structure having a resin composition layer containing a polyolefin and an EVOH enables to provide a method of producing a multilayered structure that is suppressed in generation and worsening of uneven cloudiness.

    摘要翻译: 提供一种制造多层结构体的方法,包括以下步骤:通过研磨具有树脂组合物(A)层的多层结构(B),然后筛分来获得回收料(C); 并且获得具有通过熔融捏合回收料(C)和聚烯烃(D)制成的树脂组合物(E)的层的多层结构(F),其中树脂组合物(A)含有聚烯烃(G),皂化 乙烯含量为20〜65摩尔%,醋酸乙烯酯单元皂化度为96%以上的乙烯 - 乙酸乙烯酯共聚物(H),乙烯含量为乙烯含量的乙烯 - 乙酸乙烯酯共聚物(I) 68〜98摩尔%,乙酸乙烯酯单元的皂化度为20%以上,抗静电剂(J)和质量比(H / I)为0.1〜10。据此,使用 具有含有聚烯烃和EVOH的树脂组合物层的多层结构的再研磨能够提供抑制不均匀混浊的产生和恶化的多层结构体的制造方法。

    MULTILAYER STRUCTURE AND METHOD FOR PRODUCING SAME
    5.
    发明申请
    MULTILAYER STRUCTURE AND METHOD FOR PRODUCING SAME 有权
    多层结构及其制造方法

    公开(公告)号:US20130022768A1

    公开(公告)日:2013-01-24

    申请号:US13638730

    申请日:2011-03-30

    摘要: Provided is a multilayer structure, comprising: a layer of a resin composition (A); a layer of a saponified ethylene-vinyl acetate copolymer (B) having an ethylene content of from 20 to 65 mol % and having a degree of saponification of vinyl acetate units of 96% or more; and a layer of polyolefin (C) arranged on one side or both sides of those layers, wherein the resin composition (A) contains polyolefin (D), a saponified ethylene-vinyl acetate copolymer (E) having an ethylene content of from 20 to 65 mol % and having a degree of saponification of vinyl acetate units of 96% or more, and a saponified ethylene-vinyl acetate copolymer (F1) having an ethylene content of from 68 to 98 mol % and having a degree of saponification of vinyl acetate units of 20% or more and/or an acid-modified ethylene-vinyl acetate copolymer (F2) having an ethylene content of from 68 to 98 mol %, the saponified ethylene-vinyl acetate copolymer (E) has a mass ratio [E/(F1+F2)] of from 0.05 to 30 to a total amount of the saponified ethylene-vinyl acetate copolymer (F1) and the acid-modified ethylene-vinyl acetate copolymer (F2), the polyolefin (D) has the saponified ethylene-vinyl acetate copolymer (E) having an average particle diameter of from 0.1 to 1.8 μm dispersed in a matrix thereof, the layer of the resin composition (A) has a thickness of from 50 to 1000 μm, and the layer of the polyolefin (C) has a thickness of from 25 to 1000 μm. This enables to provide a multilayer structure having good gas barrier properties after retort processing and a good appearance.

    摘要翻译: 提供一种多层结构体,其包含:树脂组合物(A)的层; 乙烯含量为20〜65摩尔%,乙酸乙烯酯单元的皂化度为96%以上的皂化乙烯 - 乙酸乙烯酯共聚物(B)的层; 以及布置在那些层的一侧或两侧的聚烯烃层(C),其中树脂组合物(A)含有聚烯烃(D),乙烯含量为20〜20的皂化乙烯 - 乙酸乙烯酯共聚物(E) 65mol%,乙酸乙烯酯单元的皂化度为96%以上,乙烯含量为68〜98mol%的乙烯 - 乙酸乙烯酯共聚物(F1)皂化度为乙酸乙烯酯的皂化度 乙烯含量为68〜98摩尔%的酸改性乙烯 - 醋酸乙烯共聚物(F2)的单位为20重量%以上,皂化乙烯 - 乙酸乙烯酯共聚物(E)的质量比为[E / (F1 + F2)]为0.05〜30的皂化乙烯 - 乙酸乙烯酯共聚物(F1)和酸改性乙烯 - 乙酸乙烯酯共聚物(F2)的总量,聚烯烃(D)具有皂化的乙烯 - 平均粒径为0.1〜1.8μm的乙酸乙烯酯共聚物(E)分散在基材中 ix,树脂组合物(A)的层的厚度为50〜1000μm,聚烯烃(C)的层的厚度为25〜1000μm。 这使得能够提供在蒸煮处理之后具有良好阻气性和良好外观的多层结构。

    Multilayer structure and method for producing same
    6.
    发明授权
    Multilayer structure and method for producing same 有权
    多层结构及其制造方法

    公开(公告)号:US08784960B2

    公开(公告)日:2014-07-22

    申请号:US13638730

    申请日:2011-03-30

    IPC分类号: B32B33/00 B29D22/00 B28B23/00

    摘要: A multilayer structure, comprising: a layer of a resin composition (A); a layer of a saponified ethylene-vinyl acetate copolymer (B); and a layer of polyolefin (C) arranged on one side or both sides of those layers, wherein the resin composition (A) contains polyolefin (D), a saponified ethylene-vinyl acetate copolymer (E) and a saponified ethylene-vinyl acetate copolymer (F1) and/or an acid-modified ethylene-vinyl acetate copolymer (F2), the copolymer (E) has a mass ratio [E/(F1+F2)] of from 0.05 to 30, the polyolefin (D) has the copolymer (E) having an average particle diameter of from 0.1 to 1.8 μm dispersed in a matrix thereof, the layers of (A) and of (C) have thicknesses of from 50 to 1000 μm, and from 25 to 1000 μm, respectively, which enables provision of a multilayer structure having good gas barrier properties after retort processing and a good appearance.

    摘要翻译: 一种多层结构体,包括:树脂组合物(A)的层; 一层皂化乙烯 - 乙酸乙烯酯共聚物(B); 以及布置在那些层的一侧或两侧的聚烯烃层(C),其中树脂组合物(A)含有聚烯烃(D),皂化的乙烯 - 乙酸乙烯酯共聚物(E)和皂化的乙烯 - 乙酸乙烯酯共聚物 (F1)和/或酸改性乙烯 - 乙酸乙烯酯共聚物(F2),共聚物(E)的质量比[E /(F1 + F2)]为0.05〜30,聚烯烃(D) 共聚物(E)分散在基体中的平均粒径为0.1〜1.8μm,(A)和(C)的层的厚度分别为50〜1000μm,25〜1000μm, 其能够提供在蒸煮处理之后具有良好阻气性的多层结构和良好的外观。

    PROCESS FOR PRODUCTION OF MULTILAYERED STRUCTURE
    7.
    发明申请
    PROCESS FOR PRODUCTION OF MULTILAYERED STRUCTURE 有权
    生产多层结构的方法

    公开(公告)号:US20130037980A1

    公开(公告)日:2013-02-14

    申请号:US13643583

    申请日:2011-04-27

    IPC分类号: B29B17/00

    摘要: Provided is a method of producing a multilayered structure, comprising the steps of: obtaining a regrind (C) by grinding a multilayered structure (B) having a layer of a resin composition (A), followed by sieving; and obtaining a multilayered structure (F) having a layer of a resin composition (E) made by melt kneading the regrind (C) and a polyolefin (D), wherein the resin composition (A) contains a polyolefin (G), a saponified ethylene-vinyl acetate copolymer (H) having an ethylene content of from 20 to 65 mol % and having a degree of saponification of vinyl acetate units of 96% or more, a saponified ethylene-vinyl acetate copolymer (I) having an ethylene content of from 68 to 98 mol % and having a degree of saponification of vinyl acetate units of 20% or more, and an antistatic agent (J), and a mass ratio (H/I) is from 0.1 to 10. According to this, using a regrind of a multilayered structure having a resin composition layer containing a polyolefin and an EVOH enables to provide a method of producing a multilayered structure that is suppressed in generation and worsening of uneven cloudiness.

    摘要翻译: 提供一种制造多层结构体的方法,包括以下步骤:通过研磨具有树脂组合物(A)层的多层结构(B),然后筛分来获得回收料(C); 并且获得具有通过熔融捏合回收料(C)和聚烯烃(D)制成的树脂组合物(E)的层的多层结构(F),其中树脂组合物(A)含有聚烯烃(G),皂化 乙烯含量为20〜65摩尔%,醋酸乙烯酯单元皂化度为96%以上的乙烯 - 乙酸乙烯酯共聚物(H),乙烯含量为乙烯含量的乙烯 - 乙酸乙烯酯共聚物(I) 68〜98摩尔%,乙酸乙烯酯单元的皂化度为20%以上,抗静电剂(J)和质量比(H / I)为0.1〜10。据此,使用 具有含有聚烯烃和EVOH的树脂组合物层的多层结构的再研磨能够提供抑制不均匀混浊的产生和恶化的多层结构体的制造方法。

    Resin mixture and multilayer structure

    公开(公告)号:US10975236B2

    公开(公告)日:2021-04-13

    申请号:US13883194

    申请日:2011-11-01

    摘要: Provided is a resin mixture, comprising: polyolefin (A); a saponified ethylene-vinyl acetate copolymer (B); and an acid modified olefin-vinyl carboxylate copolymer (C), wherein the acid modified olefin-vinyl carboxylate copolymer (C) has an olefin content of from 50 to 95 mol %, and a difference between an ethylene content of the saponified ethylene-vinyl acetate copolymer (B) and the olefin content of the acid modified olefin-vinyl carboxylate copolymer (C) is within a range of from 20 to 70 mol %. This enables to provide a resin mixture that contains polyolefin and an EVOH, and even in continuous melt molding over a long period of time, has a less amount of screw buildup of a degraded material and also is reduced in generation of fish-eyes, cords, and streaks in a molded product obtained therefrom.

    COMPATIBILIZER AND METHOD FOR PRODUCING SAME
    9.
    发明申请
    COMPATIBILIZER AND METHOD FOR PRODUCING SAME 有权
    相容剂及其制造方法

    公开(公告)号:US20120196970A1

    公开(公告)日:2012-08-02

    申请号:US13499831

    申请日:2010-09-30

    摘要: A compatibilizer contains a polymer (A) obtained by reacting a modified olefin-based polymer (a-1) with a polymer (a-2) containing a terminal functional group, wherein the modified olefin-based polymer (a-1) is a polymer modified with from 0.01 to 2 mass % of unsaturated carboxylic acid or a derivative thereof, and the polymer (a-2) is a ring opening polymer or condensation polymer containing a terminal functional group, capable of reacting with the modified olefin-based polymer (a-1), at both ends or one end thereof and has a number average molecular weight from 1,500 to 100,000. This provides an excellent compatibilizer. Particularly, upon melt processing a recovery of a multilayer structure including an EVOH layer and a thermoplastic resin layer, a recycling agent is provided that gives sufficient improvement effects to any of the adhesion of a degraded resin to a screw of a molding machine, the generation of die build-up, the generation of fish eyes, and the decrease in transparency.

    摘要翻译: 增容剂含有通过改性烯烃类聚合物(a-1)与含有末端官能团的聚合物(a-2)反应得到的聚合物(A),其中改性烯烃类聚合物(a-1)为 用0.01〜2质量%的不饱和羧酸或其衍生物改性的聚合物,聚合物(a-2)是能够与改性烯烃类聚合物反应的含有末端官能团的开环聚合物或缩聚物 (a-1)的两端或一端,数均分子量为1500〜100,000。 这提供了优异的增容剂。 特别是,在熔融加工回收包括EVOH层和热塑性树脂层的多层结构时,提供了一种再循环剂,其对降解树脂对成形机的螺杆的任何粘合产生足够的改进效果, 的造成,鱼眼的产生和透明度的降低。

    RESIN MIXTURE AND MULTILAYER STRUCTURE
    10.
    发明申请
    RESIN MIXTURE AND MULTILAYER STRUCTURE 审中-公开
    树脂混合和多层结构

    公开(公告)号:US20130225756A1

    公开(公告)日:2013-08-29

    申请号:US13883194

    申请日:2011-11-01

    IPC分类号: C08L31/04 C08L23/12

    摘要: Provided is a resin mixture, comprising: polyolefin (A); a saponified ethylene-vinyl acetate copolymer (B); and an acid modified olefin-vinyl carboxylate copolymer (C), wherein the acid modified olefin-vinyl carboxylate copolymer (C) has an olefin content of from 50 to 95 mol %, and a difference between an ethylene content of the saponified ethylene-vinyl acetate copolymer (B) and the olefin content of the acid modified olefin-vinyl carboxylate copolymer (C) is within a range of from 20 to 70 mol %. This enables to provide a resin mixture that contains polyolefin and an EVOH, and even in continuous melt molding over a long period of time, has a less amount of screw buildup of a degraded material and also is reduced in generation of fish-eyes, cords, and streaks in a molded product obtained therefrom.

    摘要翻译: 提供一种树脂混合物,其包含:聚烯烃(A); 皂化乙烯 - 乙酸乙烯酯共聚物(B); 和酸改性的烯烃 - 乙烯基羧酸酯共聚物(C),其中酸改性的烯烃 - 乙烯基羧酸酯共聚物(C)的烯烃含量为50-95摩尔%,乙烯 - 乙烯基乙烯的乙烯含量之间的差异 乙酸酯共聚物(B)和酸改性烯烃 - 乙烯基羧酸酯共聚物(C)的烯烃含量在20〜70摩尔%的范围内。 这使得能够提供含有聚烯烃和EVOH的树脂混合物,并且即使在长时间内连续熔融成型中,具有较少量的降解材料的螺杆累积,并且还减少了鱼眼,绳索的产生 ,以及由其获得的成型体的条纹。