502 Bad Gateway


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502 Bad Gateway

502 Bad Gateway


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高分子材料是各种塑料、橡胶、纤维等有机非金属材料的总称。高分子材料中有分天然、合成之分。天然高分子材料有木材、皮毛、棉花、蚕丝等;合成高分子材料以高分子聚合物为基料而制成的材料,诸如塑料、橡胶、纤维等。

高分子材料的分类

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常用的塑料及树脂的英文缩写

英文缩写

塑料/树脂全称
中文名 英文名
ABS 丙烯腈—丁二烯—苯乙烯共聚物 Acrylonitrile-Butadiene-Styrene Copolymer
A/S 丙烯腈—苯乙烯共聚物 Acrylonitrile-Styrene Copolymer
CN 硝基纤维素 Cellulose Nitrate
EP 环氧树脂 Epoxy Resin
GPS 通用聚苯乙烯 General Polystyrene
GRP 玻璃纤维增强塑料 Glass Fibre Reinforced Plastics
HDPE 高密度聚乙烯 High Density Polyethylene
HIPS 高抗冲聚苯乙烯 High Impact Polystyrene
LDPE 低密度聚乙烯 Low Density Polyethylene
MDPE 中密度聚乙烯 Middle Density Polyethylene
MF 三聚氰胺甲醛树脂 Melamine-Formaldehyde Resin
PA 聚酰胺 Polyamide
PAN 聚丙烯腈 Polyacrylonitrile
PBTP 聚对苯二甲酸丁二(醇)酯 Poly(butylene terephthalate)
PC 聚碳酸酯 Polycarbonate
PE 聚乙烯 Polyethylene
PETP 聚对苯二甲酸乙二(醇)酯 Poly(ethylene terephthalate)
PF 酚醛树脂 Phenol-Formaldehyde Resin
PI 聚酰亚胺 Polyimide
PMMA 聚甲基丙烯酸甲酯 Poly(methy methacrylate)
POM 聚甲醛 Polyformaldehyde
PP 聚丙烯 Polypropylene
PPO 聚苯醚 Poly(phenylene oxide)
PS 聚苯乙烯 Polystyrene
PSF 聚砜 Polysulfone
PTFE 聚四氟乙烯 Polytetrafluoroethylene
PU 聚氨酯 Polyurethane
PVC 聚氯乙烯 Poly(vinyl chloride)
RP 增强塑料 Reinforced Plastics
SI 聚硅氧烷 Silicone
UF 脲甲醛树脂 Urea-Formaldehyde Resin
UP 不饱和聚酯 Unsaturated Polyester

塑料材料的二次加工(表面处理)

塑料的二次加工又称为塑料的二次成型,是采用机械加工、热成型、链接、表面处理等工艺将一次成型的塑料物件制成所需的产品。

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塑料机械加工

塑料机械加工包括锯、切、车、铣、磨、刨、钻、喷砂、抛光、螺纹加工等。

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例子:在透明塑料上钻出小孔,进行染色,最后用抛光做表面处理。

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塑料热成型

塑料热成型是最简单的成型方法,其原理是将塑料材料加热、软化后进行成型的方法。可用于热成型的材料有ABS、有机魔力、聚氯乙烯、聚苯乙烯、聚碳酸酯、发泡聚苯乙烯等材料。

适用领域:塑料热成型广泛用于包装领域。出包装领域外,冰箱内胆、机器外壳、照明灯罩、广告牌、旅行箱等产品也可采用热成型方法生产。

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塑料连接

产品设计中为了便于批量生产、设计,通常采用组合的方式将各塑料零部件进行拼接、或与其它材质零部件进行连接,使其成为一个完整的产品。常用方法有塑料焊接、熔粘接、溶剂展接和胶黏剂粘接等方法。

塑料焊接

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塑料溶剂粘接

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塑料胶接

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塑料表面处理

塑料的表面处理包括镀饰、涂饰、印刷、烫印、硬化、彩饰等。

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涂饰

涂饰的目的是防止塑料老化、提高物件耐化学药品与耐溶剂的能力,以及为表面提供着色,获得不同表面肌理等。

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镀饰

塑料表面镀饰金属,改善塑料物件的表面性能,提高表面硬度、耐磨性,提高防老化、防潮、防侵蚀的防护,及美化的目的。塑料镀饰技术的应用,使得肉眼一眼之下无法分辨其本身的材质,这也使塑料的应用越来越广。

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烫印

将刻有文字、或图案的热模,在塑料物件压烫成图案,从而获得精密的图案

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烫印是指利用有金属光泽的电化铝箔,如金、银箔等材料,借助一定的压力与温度,使烫印箔与印刷品在很短时间内相互受压,将金属箔或颜料箔按照烫印模版上的区域转印到印刷品表面的加工工艺。

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收集及整理:《设计材料及加工工艺》,材料表面处理在线

改编: 材料表面处理在线

http://www.clbmcl.com

图片来源: 网络

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