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本发明涉及一种具有封端或不饱和键结构的水性聚氨酯的生产过程和对织物防皱、保型的整理方法,其作为织物整理剂的应用是一种新的应用。采用预聚物聚合及封端技术,制得具有反应型端基的稳定的水性聚氨酯,其乳胶粒径分布在50-500nm可调控。具有粘接强度高、抗冲性能优良、耐水解性好以及形状记忆的功能。稀释后作为织物整理,能使织物获得防皱以及折痕保留等功能,同时保留良好的柔软性、手感度和较佳的白度,具有极佳的耐水洗性,无明显的强力损失。使用形状记忆水性聚氨酯整理剂,还可以使织物在热水或热空气中能恢复日常穿着或洗涤中产生的折皱,具有明显的形状记忆功能。 [Detail]
本发明涉及一种煤粉喷嘴装置,连接煤粉混合气体输入装置和炉膛,包括主体,主体内设有一次风喷嘴、二次风喷嘴、三次风喷嘴和中央混合气室,一次风喷嘴、二次风喷嘴和三次风喷嘴并行设置;一次风喷嘴与中央混合气室连通,以煤粉、空气和煤粉燃烧产生的烟气为主要成分的主气流从一次风喷嘴和中央混合气室进入炉膛;二次风喷嘴与一次风喷嘴连通,以空气或/和助燃剂为主要成分的二次气流从二次风喷嘴和一次风喷嘴的主气流会合再经过中央混合气室进入炉膛;以空气和煤粉燃烧产生的烟气为主要成分的三次气流从三次风喷嘴进入炉膛;本发明的煤粉喷嘴装置通过调整主气流、二次气流和三次气流的大小和成分比例来调整火焰大小,并使煤粉达到最高燃烧率。 [Detail]
The present invention relates to a strain gauge having a conductive fluid made of a glycerin/aqueous salt mixture, and methods of making the strain gauge. The strain gauge comprises a polymer sleeve; a fluid piezoresistive material made by the glycerin/aqueous salt mixture; a metal tube, a metal con..... [Detail]
The invention provides a zoom lens system, which comprises a zooming unit, a compensating unit and an imaging unit arranged on a same optical axis in turn, a driving transmission mechanism and a micro-processing control unit, wherein the driving transmission mechanism comprises a zooming stepping mo..... [Detail]
Tags: optics
本发明涉及一种用于手指康复的佩戴式装置,所述装置(10)包括:织物材料(20);以及EAP矩阵套(30),所述EAP矩阵套(30)可操作性地连接到所述织物材料(20)以形成用于手指(5)的EAP促动器;其中,至少一个EAP矩阵套(30)与手指(5)的指关节对应,用于所述手指关于所述指关节相对运动。本发明采用EAP材料将电能转换成机械运动以提供重复的主动辅助运动,用于中风患者的手指康复,该佩戴式装置的柔韧性能好,且消耗的能量非常少,温度增加不多。 [Detail]
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