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    • 1. 发明申请
    • THERMOPLASTIC RESIN COMPOSITION, INJECTION MOLDING METHOD THEREOF AND INJECTION MOLDED ARTICLE
    • 热塑性树脂组合物,注射成型方法及注塑成型
    • WO1996011985A1
    • 1996-04-25
    • PCT/JP1995002133
    • 1995-10-18
    • POLYPLASTICS CO., LTD.MIYAZAKI, HirotakaAKETA, TomoyukiMURAKAMI, HarujiISHIKAWA, TakayukiKOBAYASHI, KazuhitoMIGITA, Ayako
    • POLYPLASTICS CO., LTD.
    • C08L101/00
    • C08L55/02B29C45/0001B29C45/2708B29K2105/0079C08G2261/312C08L23/10C08L25/06C08L33/06C08L59/00C08L65/02C08L67/00C08L67/02C08L67/03C08L67/04C08L69/00C08L77/00C08L81/02C08L101/00C08L2205/12Y10T428/1352Y10T428/1397Y10T428/24994Y10T428/269C08L2666/18C08L2666/14C08L2666/02
    • This invention provides a thermoplastic resin composition comprising a thermoplastic resin (A) not forming an anisotropic melt phase and a liquid crystal polymer (B) capable of forming the anisotropic melt phase, an injection molding method thereof and an injection molded article capable of providing a thin molded article having excellent mechanical strength. A thermoplastic resin composition (C) comprises 99 to 50 wt.% of the thermoplastic resin (A) and 1 to 50 wt.% of the liquid crystal polymer (B). The liquid crystal polymer (B) is microscopically dispersed in an island form in the matrix phase of the thermoplastic resin (A) so that when the composition (C) is heat-treated at a temperature not higher than the melting point of the liquid crystal polymer (B) under a non-load state and is then cooled, the liquid crystal polymer (B) falls within the range of the weight average particle diameter of 10 to 40 mu m and at least 80 wt.% thereof falls within the range of the particle diameter of 0.5 to 60 mu m. The injection molding method comprises carrying out injection molding of the thermoplastic resin composition (C) at a resin temperature not lower than the fluidization start temperature of the liquid crystal polymer (B) and at a gate passage rate of the molten resin of at least 500 m/min, and an injection molded article characterized in that the liquid crystal polymer (B) is dispersed in a fibrous form in the matrix phase of the thermoplastic resin (A) at a mean aspect ratio of at least 6.
    • 本发明提供一种热塑性树脂组合物,其包含不形成各向异性熔融相的热塑性树脂(A)和能够形成各向异性熔融相的液晶聚合物(B),其注射成型方法和能够提供 薄模制品具有优异的机械强度。 热塑性树脂组合物(C)含有99〜50重量%的热塑性树脂(A)和1〜50重量%的液晶聚合物(B)。 液晶聚合物(B)在热塑性树脂(A)的基体相中以岛状显微分散,使得当组合物(C)在不高于液晶的熔点的温度下进行热处理时 聚合物(B),然后冷却,液晶聚合物(B)落入重量平均粒径为10〜40μm的范围内,其中至少80wt%落在范围内 的粒径为0.5〜60μm。 注射成型方法包括在不低于液晶聚合物(B)的流化开始温度的树脂温度下进行热塑性树脂组合物(C)的注射成型,并且熔融树脂的浇口通道速率为至少500 m / min,注射成型制品的特征在于,液晶聚合物(B)以热塑性树脂(A)的基质相以纤维状分散,平均纵横比为6以上。
    • 5. 发明申请
    • METHOD FOR PRODUCING LONG FIBER-REINFORCED THERMOPLASTIC RESIN COMPOSITION
    • 生产长纤维增强热塑性树脂组合物的方法
    • WO1996005956A1
    • 1996-02-29
    • PCT/JP1994001370
    • 1994-08-19
    • POLYPLASTICS CO., LTD.MURAKAMI, Haruji
    • POLYPLASTICS CO., LTD.
    • B29C70/50
    • B29B15/122
    • A method for producing long fiber-reinforced thermoplastic resin composition for promoting the impregnation of fused thermoplastic resin discharged against a bundle of fibers which are opened in a web form so as to cover the same into and between the web-form fibers without damaging the fibers and mixing of deteriorated resin in an impregnated product comprising the steps of allowing a bundle of continuous fibers which are opened in a web form to pass through a covering die having a resin discharge port, covering at least one of upper and lower sides of the web-form bundle of continuous fibers with fused thermoplastic resin discharged from the resin discharge port, and, in an impregnation process comprising a plurality of bars set vertically in such a manner that the portions which are in contact with the web-form bundle of continuous fibers are substantially horizontal and that their longitudinal direction is perpendicular to the axial direction of the fibers, pulling in the web-form bundle of continuous fibers which is so covered substantially horizontally from the rear so as to bring it into contact with the bars at the top and bottom sides thereof, to thereby impregnate the bundle with fused thermoplastic resin.
    • 一种生产长纤维增强热塑性树脂组合物的方法,其用于促进对以纤维网形式打开的纤维束排出的熔融热塑性树脂的浸渍,以便将其覆盖在纤维网形纤维之间和之间而不损伤纤维 以及在浸渍产品中混合劣化树脂,包括以下步骤:允许以网状形式打开的一束连续纤维通过具有树脂排出口的覆盖模具,该覆盖模具覆盖幅材的上下两个中的至少一个 形成从树脂排出口排出的熔融热塑性树脂的连续纤维束,并且在浸渍工艺中,包括垂直设置的多个条,使得与连续纤维的网状束接触的部分 基本上是水平的,并且它们的纵向方向垂直于纤维的轴向方向,拉动网状 一束连续纤维从后面基本上水平地覆盖,以使其在其顶侧和底侧与杆接触,从而用熔化的热塑性树脂浸渍束。
    • 8. 发明申请
    • SYNTHETIC RESIN COMPOSITION
    • 合成树脂组合物
    • WO1997015628A1
    • 1997-05-01
    • PCT/JP1996003064
    • 1996-10-22
    • POLYPLASTICS CO., LTD.SAITO, TatsuyaISHIKAWA, Takayuki
    • POLYPLASTICS CO., LTD.
    • C08L67/02
    • C08L67/00C08K5/54C08L67/02C08L2666/14
    • A synthetic resin composition which comprises a thermoplastic resin not exhibiting anisotropy in a molten state (such as polyester resin) and a liquid-crystal polyester resin and which little causes delamination and is excellent in mechanical properties can be prepared by blending 100 parts by weight of a resin component comprising (a) a thermoplastic resin not exhibiting anisotropy in a molten state in an amount of one part by weight or above but below 50 parts by weight and (b) a liquid-crystal polyester resin forming an anisotropic molten phase in an amount of more than 50 parts by weight up to 99 parts by weight with 0.01 to 3.0 parts by weight of (c) at least one silane compound selected from the group consisting of vinylalkoxysilanes, aminoalkoxysilanes and mercaptoalkoxysilanes.
    • 包含不具有熔融状态的各向异性的热塑性树脂(例如聚酯树脂)和液晶聚酯树脂并且很少引起分层并且机械性能优异的合成树脂组合物可以通过将100重量份的 树脂组分,其包含(a)在熔融状态下不显示各向异性的热塑性树脂,其量为1重量份以上但低于50重量份,和(b)形成各向异性熔融相的液晶聚酯树脂 数量大于50重量份,最多99重量份,0.01至3.0重量份的(c)至少一种选自乙烯基烷氧基硅烷,氨基烷氧基硅烷和巯基烷氧基硅烷的硅烷化合物。
    • 9. 发明申请
    • POLYACETAL RESIN COMPOSITION AND MOLDINGS
    • 聚乙烯树脂组合物和模具
    • WO1998029510A1
    • 1998-07-09
    • PCT/JP1997004758
    • 1997-12-22
    • POLYPLASTICS CO., LTD.HARASHINA, HatsuhikoKURITA, HayatoYAMADA, Tatsuya
    • POLYPLASTICS CO., LTD.
    • C08L59/00
    • C08K5/3445C08L59/00
    • A polyacetal resin composition prepared by adding about 0.01 to 10 parts by weight of a glyoxydiureide compound to 100 parts by weight of a polyacetal resin. The glyoxydiureide compounds usable herein include glyoxydiureide itself and derivatives thereof (such as metal salts thereof). About 0.01 to 10 parts by weight of a basic nitrogen compound may be further added thereto. The nitrogen compounds usable herein include melamine, melamine resins, and polyamide resins. In addition, an antioxidant may be added to the composition. The compositions serve to improve the stability, particularly the thermal stability, of the polyacetal resin, and prevents the evolution of formaldehyde.
    • 通过向100重量份聚缩醛树脂中加入约0.01至10重量份的乙醛酸二乙酯化合物制备的聚缩醛树脂组合物。 可用于本发明的乙醛酸二酰酯化合物包括乙二醛二酰亚胺本身及其衍生物(如其金属盐)。 可以进一步加入约0.01〜10重量份的碱式氮化合物。 可用的氮化合物包括三聚氰胺,三聚氰胺树脂和聚酰胺树脂。 此外,可以将抗氧化剂加入到组合物中。 该组合物用于提高聚缩醛树脂的稳定性,特别是热稳定性,并防止甲醛的逸出。