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上传于：2013-11-03

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    188宝金博页面版: Long Glass Fiber Reinforced Resin Composite and Method for Preparing the Same

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    内容提示： Abstract: A long glass reinforced resin composite of the present invention may comprise two kinds of thermoplastic matrix resin (a1 , a2) which have different viscosities and a long glass fiber (B). The method of preparing the long glass reinforced resin composite comprises preparing a LFT (Long fiber thermoplastic) master-batch composition by impregnating the long glass fiber (B) of continuous phase into the low viscosity thermoplastic resin (a2), and compounding the LFT (Long fiber thermoplastic) master-...

    文档格式：DOC | 页数：13 | 浏览次数：44 | 上传日期：2013-11-03 14:34:35 | 文档星级：
    Abstract: A long glass reinforced resin composite of the present invention may comprise two kinds of thermoplastic matrix resin (a1 , a2) which have different viscosities and a long glass fiber (B). The method of preparing the long glass reinforced resin composite comprises preparing a LFT (Long fiber thermoplastic) master-batch composition by impregnating the long glass fiber (B) of continuous phase into the low viscosity thermoplastic resin (a2), and compounding the LFT (Long fiber thermoplastic) master-hatch composition with high viscosity thermoplastic resin. The long glass fiber reinforced resin composite of the present invention has excellent mechanical properties such as impact strength, tensile strength, and flexural modulus. Claims: 1. A long glass fiber reinforced resin composite comprising; (A) a thermoplastic matrix resin; and (B) long glass fibers impregnated in the thermoplastic matrix resin (A), wherein said long glass fibers (B) have a length of about 5 to about 20 mm and comprise more than 90% by weight of the total weight of glass fibers impregnated in the thermoplastic matrix resin (A). 2. The long glass fiber reinforced resin composite of claim 1 , wherein said thermoplastic matrix resin comprises a high viscosity thermoplastic resin (a1 ) and a low viscosity thermoplastic resin (a2). 3. The long glass fiber reinforced resin composite of claim 2, wherein said long glass fiber (B) is impregnated in the low viscosity thermoplastic resin (a2). 4. The long glass fiber reinforced resin composite of claim 3, wherein said long glass fiber reinforced resin composite comprises about 1 0 to 90% by weight of the high viscosity thermoplastic resin (a1 ) and about 1 0 to 90% by weight of the long glass fiber (B) impregnated low viscosity thermoplastic resin (a2). 5. The long glass fiber reinforced resin composite of claim 4, wherein said long glass fiber (B) is included in an amount of about 30 to about 70% by weight based on 100% by weight of the long glass fiber (B) impregnated low viscosity thermoplastic resin (a2). 6. The long glass fiber reinforced resin composite of claim 1 , wherein said thermoplastic matrix resin (A) is selected from the group consisting of polyamide resin, polycarbonate resin, polyethylene terephthalate resin, and combinations thereof. 7. The long glass fiber reinforced resin composite of claim 6, wherein said polyamide resin is

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