Meta-xylylene diamine/aliphatic dicarboxylic acid polyamide film
    1.
    发明授权
    Meta-xylylene diamine/aliphatic dicarboxylic acid polyamide film 失效
    亚甲基二胺/脂族二羧酸聚酰胺薄膜

    公开(公告)号:US4133802A

    公开(公告)日:1979-01-09

    申请号:US760848

    申请日:1977-01-21

    IPC分类号: C08G69/46

    CPC分类号: C08G69/46

    摘要: A drawn film of polyamide having an oxygen permeability coefficient of not more than 5 .times. 10.sup.-13 ml.cm/cm.sup.2.sec.cmHg, a breaking strength of not less than 14 kg/mm.sup.2, a breaking elongation of 30 to 150%, a yield strength of not less than 7 kg/mm.sup.2 and a yield elongation of 2 to 6%, which can be manufactured by drawing an undrawn polyamide film biaxially at a temperature within a certain range and optionally heat treating the resulting drawn film, the said undrawn polyamide film being made of a polyamide having a relative viscosity of about 2.0 to 4.0 when measured with a solution thereof in 96% sulfuric acid at a concentration of 1 g/100 ml at 25.degree. C and containing in the molecule not less than 70% (mol) of the repeating unit constituted with metaxylylenediamine or its mixture with paraxylylenediamine and an .alpha.,.omega.-aliphatic dicarboxylic acid having 6 to 10 carbon atoms, which is useful as a packaging material due to its excellent properties in tensile strength, yield strength, Young's modulus, heat stability, size stability, transparency, gas barrier property, etc.

    摘要翻译: 氧透过系数不大于5×10-13毫升/厘米2·sec·cmHg,断裂强度为14kg / mm2以上,断裂伸长率为30〜150%的聚酰胺的拉伸膜, 屈服强度不小于7kg / mm2,屈服伸长率为2至6%,其可以通过在一定范围内的温度下双轴拉伸未拉伸的聚酰胺膜并任选地热处理所得拉伸膜来制造,所述 未拉伸聚酰胺薄膜由相对粘度为约2.0〜4.0的聚酰胺制成,当用其溶液在96%硫酸中,浓度为1g / 100ml,25℃,分子量不低于70 由间苯二甲胺或其与对二甲苯二胺的混合物构成的重复单元的%(mol)和具有6至10个碳原子的α,ω-脂肪族二羧酸,由于其优异的拉伸强度,屈服强度, ,哟 单元模量,热稳定性,尺寸稳定性,透明性,阻气性等。

    Shaped article of polymers prepared from
(.beta.-hydroxyethyl)-trimellitic acid imide
    2.
    发明授权
    Shaped article of polymers prepared from (.beta.-hydroxyethyl)-trimellitic acid imide 失效
    由({62-羟乙基) - 三聚酸酰亚胺制备的聚合物成型体

    公开(公告)号:US4140677A

    公开(公告)日:1979-02-20

    申请号:US805483

    申请日:1977-06-10

    CPC分类号: D01F6/62 C08G73/16 D01F6/74

    摘要: A shaped article having a refractive index of not less than 1.625 at least in one direction and possessing excellent physical properties and various uses, which can be prepared by stretching a molded product, which is made of a polymeric material comprising at least 80 mol% of the repeating units of the formula: ##STR1## and having an intrinsic viscosity of not less than 0.25 dl/g when measured in a mixture of phenol and sym.-tetrachloroethane in a weight ratio of 6 : 4 at 30.degree. C. and has a refractive index of not more than 1.610 at least in one direction, at a temperature of 120.degree. to 230.degree. C. with a stretch ratio of 2 to 20 in the same direction as the refractive index is measured, or by melt extruding the polymeric material at a temperature higher than 230.degree. C. and not higher than 360.degree. C. while or immediately followed by stretching with a deformation speed of not less than 20 times the speed of the melt extrusion.

    摘要翻译: 折射率至少在一个方向上具有不小于1.625的成型制品,并且具有优异的物理性能和各种用途,其可以通过拉伸模制产品制备,所述模制产品由包含至少80mol%的 当在苯酚和对四氯乙烷的混合物中以30:1的重量比为6:4测量时,具有下式的重复单元:< IMAGE>的特性粘度不小于0.25dl / g,并具有 或至少在一个方向上的折射率不超过1.610,在120至230℃的温度下,在与折射率相同的方向上的拉伸比为2至20,或通过熔融挤出聚合物 材料在高于230℃且不高于360℃的温度下进行,同时或紧接着以不小于熔体挤出速度的20倍的变形速度拉伸。

    Block copolymer of polyamide and polyether, and its preparation and use
    3.
    发明授权
    Block copolymer of polyamide and polyether, and its preparation and use 失效
    聚酰胺和聚醚的嵌段共聚物及其制备和用途

    公开(公告)号:US3946089A

    公开(公告)日:1976-03-23

    申请号:US439987

    申请日:1974-02-06

    摘要: A block copolymer of 99.8 to 90 % by weight of a polyamide segment and 0.2 to 10 % by weight of a polyether segment dispersed in an island state of not more than about 10 .mu. in particle size, the polyamide segment comprising at least one diamine component containing 100 to 50 mol % (preferably 100 to 70 mol %) of m-xylylenediamine or its mixture with p-xylylenediamine and at least one dicarboxylic acid component containing 100 to 50 mol % (preferably 100 to 70 mol %) of at least one aliphatic dicarboxylic acid having 6 to 12 carbon atoms, the polyether segment comprising at least one polyether having a molecular weight of 2,000 to 20,000 and an amino group or a carboxyl group at at least one terminal position thereof and the block copolymer having a scattering index of not less than 1.

    摘要翻译: 99.8-90%重量的聚酰胺链段和0.2-10%重量的分散在岛状态的不超过约10微米粒径的聚醚链段的嵌段共聚物,聚酰胺链段包含至少一种二胺组分 含有100〜50摩尔%(优选为100〜70摩尔%)的间苯二甲胺或其与对苯二甲胺的混合物和至少一种含有100〜50摩尔%(优选为100〜70摩尔%)的二羧酸成分的至少一种 具有6至12个碳原子的脂族二羧酸,所述聚醚部分包含至少一种分子量为2,000至20,000的聚醚和至少一个末端的氨基或羧基,所述嵌段共聚物的散射指数为 不低于1。

    Process of actinic irradiation of shaped polyester imide containing
benzophenone tetracarboxylic diimide group and cross-linked product
    4.
    发明授权
    Process of actinic irradiation of shaped polyester imide containing benzophenone tetracarboxylic diimide group and cross-linked product 失效
    含有二苯甲酮四羧酸二酰亚胺和交联产物的成型聚酯酰亚胺的光化辐射过程

    公开(公告)号:US4578166A

    公开(公告)日:1986-03-25

    申请号:US484459

    申请日:1983-04-13

    IPC分类号: B29C35/08 B29C71/04 B32B27/16

    摘要: A shaped article made of a polymeric composition comprising as the essential component a saturated linear polyester or polyamide comprising a structural unit of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are same or different and each represents a monovalent organic group such as a monovalent aliphatic, alicyclic or aromatic group having one or more carbon atoms (preferably 1 to 20 carbon atoms) and m and n are each an integer of 0 to 3 in an amount of 0.01 to 50 moles per 100 moles of the total ester or amide linkages in the molecule of the polyester or polyamide is irradiated with actinic rays so that chain-linking takes place between or among the molecules of the polyester or polyamide, whereby the physical and chemical properties of the shaped article are favorably enhanced.

    摘要翻译: 一种由聚合物组合物制成的成形制品,其包含作为主要组分的饱和线性聚酯或聚酰胺,其包含下式的结构单元:其中R 1和R 2相同或不同,并且各自表示一价有机基团,例如 具有一个或多个碳原子(优选1至20个碳原子)的单价脂族,脂环族或芳族基团,m和n各自为0至3的整数,每100摩尔总酯为0.01-50摩尔,或 在聚酯或聚酰胺的分子中的酰胺键被光化射线照射,使得在聚酯或聚酰胺的分子之间或之间进行链接,从而有利地提高成型制品的物理和化学性质。