售RTP 200 TFE 20,尼龙66
售RTP 200 TFE 20,尼龙66
东莞市美迅塑胶原料有限公司(业务经理:郭涛,电话:13922952046,QQ:1113406184)长期供应PA66工程塑料:
供应可回收尼龙66,Leona™ 1402S Asahi Kasei Chemicals Corporation
供应热稳定尼龙66,Leona™ 1402SH Asahi Kasei Chemicals Corporation
供应低蠕变尼龙66,Leona™ 14G15 Asahi Kasei Chemicals Corporation
供应耐溶剂尼龙66,Leona™ 14G25 Asahi Kasei Chemicals Corporation
供应耐水解尼龙66,Leona™ 14G33 Asahi Kasei Chemicals Corporation
供应高绝缘尼龙66,Leona™ 14G50 Asahi Kasei Chemicals Corporation
供应密件套用尼龙66,Leona™ 1500 Asahi Kasei Chemicals Corporation
供应挡板座用尼龙66,Leona™ 1502 Asahi Kasei Chemicals Corporation
供应车内各种装饰件用尼龙66,Leona™ 1700S Asahi Kasei Chemicals Corporation
供应脚手架用尼龙66,Leona™ 1702 Asahi Kasei Chemicals Corporation
供应割草机用尼龙66,Leona™ 54G33 Asahi Kasei Chemicals Corporation
供应耐焊锡性尼龙66,Leona™ 54G43 Asahi Kasei Chemicals Corporation
供应列车门把手用尼龙66,Leona™ 90G33 Asahi Kasei Chemicals Corporation
供应彩电导线夹用尼龙66,Leona™ 90G50 Asahi Kasei Chemicals Corporation
供应网球拍线套用尼龙66,Leona™ 90G55 Asahi Kasei Chemicals Corporation
供应聚焦旋钮用尼龙66,Leona™ 90G60 Asahi Kasei Chemicals Corporation
供应自动门横栏用尼龙66,Leona™ 91G40 Asahi Kasei Chemicals Corporation
供应扇叶用尼龙66,Leona™ 93G33 Asahi Kasei Chemicals Corporation
供应窗框架用尼龙66,Leona™ 9400S Asahi Kasei Chemicals Corporation
供应喷嘴用尼龙66,Leona™ CR101 Asahi Kasei Chemicals Corporation
尼龙66简介
中文别名:锦纶66短纤维;聚己二酰己二胺;尼龙-66;尼龙66;尼龙66树脂;聚酰胺-66;聚已二酰己二胺;锦纶-66
结晶和结晶度
(1) 结晶构造
Bill认为,尼龙-66的晶形有α型和β型二种形态,在常温下为三斜晶形,在165℃以上为六方晶形[ ]。
Bunn等确定了尼龙-66α型的结晶构造[ ],如图01-72所示,其晶胞的晶格常数列于表01-73。从图01-72可见,尼龙-66分子中的亚甲基呈锯齿状平面排列,酰胺基取反式平面结构,分子链被笔直地拉长。相邻的分子以氢键连成平面的片状,其模型如图01-68所示。
表01-68 尼龙-66 稳定晶形的晶格常数
晶体 a b c(纤维轴) α β γ
α型结晶(三斜晶系) 4.9×10-4μm 5.4×10-4μm 17.2×10-4μm 48½° 77° 63½°
计算密度=1.24g/cm3
图01-44 尼龙-66的α晶型结构[ ] 图01-45尼龙-66分子中晶片排列模型[ ]
线条:链状分子;○:氧原子
本司货源稳定充足,品
产品名称:售RTP 200 TFE 20,尼龙66
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