Tuesday, January 06, 2009

增塑剂 www.tool-tool.com

Bewise Inc. www.tool-tool.com Reference source from the internet.

增塑剂 02tfZ y8x
增塑(plasticizing)为用物理或化学方法以增加高分子化合物的可塑性能的过程。可提高高分子化合物的流动性、柔软性、硬度、拉伸强 度、弹性模 数、抗弯曲性、抗冲性、伸长率和弹性等,同时降低脆性。可分为外增塑(又称外部塑化,external plasticization)和内增塑(又称内部塑化,internal plasticiza-tion)两种。外增塑是将增塑剂加入高分子化合物或其溶液中。内增塑是通过化学方法来改善高分子化合物的可塑性能。增塑剂为起增 塑作用的助剂。主要品种有:邻苯二甲酸酯类、烷基磺酸苯酯类、脂肪族二元酸酯类和多元醇酯类等。主要用于PVC中,占总消费量的80%以上。增塑剂加入到 热塑性树脂涂料中,可增加涂膜的柔韧性,提高附着力,克服涂膜硬脆易裂等缺点。品种有邻苯二甲酸酯、磷酸酯、氯化合物、己二酸酯类、癸二酸酯类等。在以硝 酸纤维素和其他纤维素、乙烯类树脂、橡胶衍生物等制造涂料时,须使用增塑剂。 h$,%A( Rt
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辅助增塑剂 0m+ 8"6eg(
相对于主增塑剂而言,与树脂的相容性较差,用量超过一定浓度时出现渗出和使用制品发黏现象。一般不能单独使用,但与适当的主增塑剂配合可降低成本或提高制品的耐候性、低温性、电绝缘性等。如环氧大豆油、氯化石蜡、脂肪族二元羧酸酯等。

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BW Bewise Inc. Willy Chen willy@tool-tool.com bw@tool-tool.com www.tool-tool.com skype:willy_chen_bw mobile:0937-618-190 Head &Administration Office No.13,Shiang Shang 2nd St., West Chiu Taichung,Taiwan 40356 http://www.tool-tool.com / FAX:+886 4 2471 4839 N.Branch 5F,No.460,Fu Shin North Rd.,Taipei,Taiwan S.Branch No.24,Sec.1,Chia Pu East Rd.,Taipao City,Chiayi Hsien,Taiwan

Welcome to BW tool world! We are an experienced tool maker specialized in cutting tools. We focus on what you need and endeavor to research the best cutter to satisfy users demand. Our customers involve wide range of industries, like mold & die, aerospace, electronic, machinery, etc. We are professional expert in cutting field. We would like to solve every problem from you. Please feel free to contact us, its our pleasure to serve for you. BW product including: cutting toolaerospace tool .HSS DIN Cutting toolCarbide end millsCarbide cutting toolNAS Cutting toolNAS986 NAS965 NAS897 NAS937orNAS907 Cutting Tools,Carbide end milldisc milling cutter,Aerospace cutting toolhss drillФрезерыCarbide drillHigh speed steelCompound SharpenerMilling cutterINDUCTORS FOR PCDCVDD(Chemical Vapor Deposition Diamond )’PCBN (Polycrystalline Cubic Boron Nitride) Core drillTapered end millsCVD Diamond Tools Inserts’PCD Edge-Beveling Cutter(Golden FingerPCD V-CutterPCD Wood toolsPCD Cutting toolsPCD Circular Saw BladePVDD End Millsdiamond tool Single Crystal Diamond Metric end millsMiniature end millsСпециальные режущие инструментыПустотелое сверло Pilot reamerFraisesFresas con mango PCD (Polycrystalline diamond) ‘FreseElectronics cutterStep drillMetal cutting sawDouble margin drillGun barrelAngle milling cutterCarbide burrsCarbide tipped cutterChamfering toolIC card engraving cutterSide cutterStaple CutterPCD diamond cutter specialized in grooving floorsV-Cut PCD Circular Diamond Tipped Saw Blade with Indexable Insert PCD Diamond Tool Saw Blade with Indexable InsertNAS toolDIN or JIS toolSpecial toolMetal slitting sawsShell end millsSide and face milling cuttersSide chip clearance sawsLong end millsend mill grinderdrill grindersharpenerStub roughing end millsDovetail milling cuttersCarbide slot drillsCarbide torus cuttersAngel carbide end millsCarbide torus cuttersCarbide ball-nosed slot drillsMould cutterTool manufacturer.

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BW is specialized in R&D and sourcing the most advanced carbide material with high-tech coating to supply cutting / milling tool for mould & die, aero space and electronic industry. Our main products include solid carbide / HSS end mills, micro electronic drill, IC card cutter, engraving cutter, shell end mills, cutting saw, reamer, thread reamer, leading drill, involute gear cutter for spur wheel, rack and worm milling cutter, thread milling cutter, form cutters for spline shaft/roller chain sprocket, and special tool, with nano grade. Please visit our web www.tool-tool.com for more info.

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