Thin-wall article
    17.
    发明授权
    Thin-wall article 有权
    薄壁文章

    公开(公告)号:US09096714B2

    公开(公告)日:2015-08-04

    申请号:US13824027

    申请日:2012-08-07

    摘要: Provided is a thin-wall article formed from a polyamide resin which can be stably produced with little variation in mechanical properties such as flexural strength, flexural modulus and impact resistance. A thin-wall article formed by molding a polyamide resin (C) obtained by polycondensing a diamine (A) and a dicarboxylic acid (B) or a polyamide resin composition containing the polyamide resin, wherein 70 mol % or more of a diamine structural unit is derived from xylylenediamine and the polyamide resin has a melt viscosity (i) of 50 to 200 Pa·s as measured at a temperature of the melting point plus 10° C. for a holding time of 6 minutes at a shear rate of 122 sec−1.

    摘要翻译: 本发明提供一种由聚酰胺树脂形成的薄壁制品,其可以稳定地制造,其弯曲强度,弯曲模量和抗冲击性等机械性能几乎不变化。 通过将通过使二胺(A)和二羧酸(B)缩聚得到的聚酰胺树脂(C)或含有聚酰胺树脂的聚酰胺树脂组合物成型而形成的薄壁制品,其中,70mol%以上的二胺结构单元 衍生自苯二甲胺,聚酰胺树脂的熔融粘度(i)在熔点加10℃保温6分钟,剪切速度为122秒时的熔融粘度(i)为50〜200Pa·s -1。

    Polyamide resins and processes for molding them
    18.
    发明授权
    Polyamide resins and processes for molding them 有权
    聚酰胺树脂及其成型方法

    公开(公告)号:US08841407B2

    公开(公告)日:2014-09-23

    申请号:US13824695

    申请日:2011-11-08

    IPC分类号: C08G69/28 C08G69/26 C08L77/06

    摘要: Provided is a polyamide resin having high heat resistance, excellent moldability and excellent mechanical properties. The polyamide resin comprises a diamine unit containing 70 mol % or more of a xylylenediamine unit and a dicarboxylic acid unit containing 70 mol % or more of a straight chain aliphatic dicarboxylic acid unit, wherein the xylylenediamine unit is composed of 50 to 95 mol % of p-xylylenediamine and 50 to 5 mol % of m-xylylenediamine; the straight chain aliphatic dicarboxylic acid unit is composed of 50 to 100 mol % of adipic acid and 0 to less than 50 mol % of sebacic acid or other straight chain aliphatic dicarboxylic acids; the molar ratio of reacted diamine units to reacted dicarboxylic acid units (the number of moles of reacted diamine units/the number of moles of reacted dicarboxylic acid units) is less than 0.994; and the polyamide resin has a number average molecular weight of 10,000 to 25,000 and a melting point of 285° C. or more.

    摘要翻译: 提供耐热性高,成型性优异,机械特性优异的聚酰胺树脂。 聚酰胺树脂包含含有70摩尔%以上的苯二甲胺单元的二胺单元和含有70摩尔%以上的直链脂肪族二羧酸单元的二羧酸单元,其中,所述苯二甲胺单元为50〜95摩尔% 对苯二甲胺和50〜5摩尔间苯二甲胺; 直链脂肪族二羧酸单元由50〜100摩尔%的己二酸和0〜小于50摩尔%的癸二酸或其它直链脂肪族二羧酸组成, 反应的二胺单元与反应的二羧酸单元的摩尔比(反应的二胺单元的摩尔数/反应的二羧酸单元的摩尔数)小于0.994; 聚酰胺树脂的数均分子量为10,000〜25,000,熔点为285℃以上。

    THIN-WALL ARTICLE
    19.
    发明申请
    THIN-WALL ARTICLE 有权
    薄壁文章

    公开(公告)号:US20140194569A1

    公开(公告)日:2014-07-10

    申请号:US13824027

    申请日:2012-08-07

    摘要: Provided is a thin-wall article formed from a polyamide resin which can be stably produced with little variation in mechanical properties such as flexural strength, flexural modulus and impact resistance. A thin-wall article formed by molding a polyamide resin (C) obtained by polycondensing a diamine (A) and a dicarboxylic acid (B) or a polyamide resin composition containing the polyamide resin, wherein 70 mol % or more of a diamine structural unit is derived from xylylenediamine and the polyamide resin has a melt viscosity (i) of 50 to 200 Pa·s as measured at a temperature of the melting point plus 10° C. for a holding time of 6 minutes at a shear rate of 122 sec−1.

    摘要翻译: 本发明提供一种由聚酰胺树脂形成的薄壁制品,其可以稳定地制造,其弯曲强度,弯曲模量和抗冲击性等机械性能几乎不变化。 通过将通过使二胺(A)和二羧酸(B)缩聚得到的聚酰胺树脂(C)或含有聚酰胺树脂的聚酰胺树脂组合物成型而形成的薄壁制品,其中,70mol%以上的二胺结构单元 衍生自苯二甲胺,聚酰胺树脂的熔融粘度(i)在熔点加10℃保温6分钟,剪切速度为122秒时的熔融粘度(i)为50〜200Pa·s -1。

    POLYAMIDE RESIN-TYPE COMPOSITE MATERIAL AND METHOD OF PRODUCING SAME
    20.
    发明申请
    POLYAMIDE RESIN-TYPE COMPOSITE MATERIAL AND METHOD OF PRODUCING SAME 审中-公开
    聚酰胺树脂类复合材料及其生产方法

    公开(公告)号:US20130062806A1

    公开(公告)日:2013-03-14

    申请号:US13518651

    申请日:2011-04-28

    申请人: Jun Mitadera

    发明人: Jun Mitadera

    摘要: A xylylenediamine-based polyamide resin/fiber composite material and molding are provided that do not exhibit a decline in properties under high temperatures and high humidities, and that exhibit a high elastic modulus and present little warping, and exhibit better recycle characteristics, a better moldability, and a better productivity than for thermosetting resins.The polyamide resin-type composite material comprises a fibrous material (B) impregnated with a polyamide resin (A) wherein at least 50 mole % of diamine structural units derived from xylylenediamine, and having a number-average molecular weight (Mn) of 6,000 to 30,000, and containing a component of a molecular weight of not more than 1,000 at 0.5 to 5 mass %.

    摘要翻译: 提供了一种苯二甲胺类聚酰胺树脂/纤维复合材料,并且在高温和高湿度下不显示性能下降的成型体,并且表现出高的弹性模量并且几乎没有翘曲,并且表现出更好的回收特性,更好的成型性 ,并且比热固性树脂具有更好的生产率。 聚酰胺树脂型复合材料包括浸渍有聚酰胺树脂(A)的纤维材料(B),其中至少50摩尔%来源于苯二甲胺的二胺结构单元,数均分子量(Mn)为6,000至 并且在0.5〜5质量%的范围内含有分子量为1000以下的成分。