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AssigneeJilin University of Chemical Technology
InventorsShulai Lu, Jingfu Dai, Jianzhuo Li, Xiaokun Ma, Bangqiong Song, Naiqing Liu
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A method for preparing a water-soluble epoxy resin carbon fiber sizing agent is provided, belonging to the field of sizing agents. One end of the sizing agent is a hydrolyzable group, which can bind to a hydroxyl group (—OH) on a carbon fiber surface; the other end is a non-hydrolyzable group capable of reacting with a resin matrix. In this situation, functional groups from the sizing agent are introduced onto the carbon fiber surface, increasing the surface activity of the carbon fiber and consequently enhancing the chemical bonding between the carbon fiber and the resin matrix. Moreover, the sizing agent possesses excellent self-emulsifying capability, overcoming the stability issues associated with emulsion-type sizing agents. This self-emulsifying epoxy resin sizing agent is highly safe, environmentally friendly, convenient to use, and can be emulsified and used at a time selected according to processing requirements.
A method for preparing a water-soluble epoxy resin carbon fiber sizing agent, comprising the following steps:
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