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Two-Part Epoxy Glue: Bis-Phenol Resin Thinned with Allyl Glycidyl Ether, Hardened with Diethylene Triamine
Bis-phenol epoxy resin is too thick to spread, so it is thinned with a fifth of its weight of allyl glycidyl ether, which joins the cure. That is part A; part B is diethylene triamine. Stir 10 parts of B into 100 of A, spread, join, and it hardens at room temperature: after six days at 25 °C, block joints held 3,550 lb/in² (Wiles and Newey, Shell, US 2,528,932, 1950). It bonds wood, metal and resins.
The picture: our drawing of the two bottles and a glued joint.
中级
A week to full strength
说明
1
1
Make part A
Make part A
Warm 400 g bis-phenol epoxy resin until it flows (our step; it softens at 43 °C) and stir in 100 g allyl glycidyl ether, to a smooth, spreadable syrup. Bottle it.
此步骤所需材料：
双酚环氧树脂400 克
烯丙基缩水甘油醚100 克所需工具：
硼硅玻璃烧杯
电热板
搅拌器
温度计
数字厨房秤
带盖玻璃瓶
橡胶手套2
2
Bottle part B
Bottle part B
Bottle diethylene triamine separately and keep it closed: it is strongly alkaline and burns skin. You need 10 g for every 100 g of part A.
此步骤所需材料：
二乙烯三胺50 克所需工具：
带盖玻璃瓶橡胶手套3
3
Mix only what you need
Mix only what you need
Weigh part A into a cup, add a tenth of its weight of part B, and stir well. It begins to cure at once, so mix just before gluing.
所需工具：
量杯数字厨房秤搅拌器橡胶手套4
4
Spread, join, wait
Spread, join, wait
Spread a thin coat on both faces and press them together. At room temperature it sets in half an hour to a day and reaches full strength in one to two weeks; warmth speeds it up.
所需工具：
涂胶刷5
5
Mixing table
Mixing table
正在加载 Jupyter 笔记本…
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相关蓝图
这些蓝图共享知识——技术、材料或原理
危险
Bisphenol Epoxy Resin: Bisphenol A and Epichlorohydrin in Caustic Soda, Wiles and Newey 1950
Charlie 创作
聚合物
10
0
0
0
1
0
危险
Allyl Glycidyl Ether: Allyl Alcohol and Epichlorohydrin, Evans, Marple and Shokal 1943
Charlie 创作
有机
18
0
0
0
0
0
危险
Ethylene Amines: Ethylene Dichloride Heated with Ammonia Water, Mnookin 1936
Charlie 创作
有机
13
0
0
0
0
0
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