A kind of non-silicon type hydrophilic softener and its preparation method and application
A hydrophilic softener, non-silicon technology, applied in the textile industry, can solve the problems of poor hydrophilicity, poor hand feeling, easy yellowing, etc., achieve spinning antistatic performance, improve hand feeling, and enhance hydrophilic antistatic performance Effect
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[0024] see figure 1 , figure 1 The flow chart of a preferred embodiment of the preparation method of a non-silicon type hydrophilic softener provided by the present invention, as shown in the figure, includes the following steps:
[0025] S10, mixing stearic acid, N-methyl glycol amine and an ester catalyst, and reacting to obtain an initial product;
[0026] S20, adding polyether diol to the initial product, and reacting to form a polymer;
[0027] S30, adding a quaternizing agent to the polymer to react to obtain the non-silicon type hydrophilic softener.
[0028] In this embodiment, through the esterification reaction of stearic acid and N-methyl glycol amine, a long carbon chain ester amine with an amino group is generated, which ensures the softness of the prepared non-silicon hydrophilic softener and avoids The influence of hydrophobic amino silicone oil molecules on its hydrophilicity is eliminated, thereby ensuring its hydrophilicity; the long-chain ester amine with...
Embodiment 1
[0046] Put 300g of stearic acid into a four-necked flask, start stirring and heating, wait for it to completely melt near 75°C, open the nitrogen valve, let the nitrogen flow into the bottom of the liquid, add 0.6g of ester catalyst p-toluenesulfonic acid, and heat up to 100°C 156g of N-methyldiisopropanolamine was added dropwise. After the dropwise addition, the temperature was raised to 150°C for 2 hours of constant temperature reaction, then 21.5g of polyethylene glycol 400 was added, and the temperature was raised to 190°C for constant temperature reaction 4 hour, then lower the temperature, and when the temperature was lowered to 80° C., 68 g of dimethyl sulfate was added to react for 4 hours, and the reaction ended. Cool to below 60°C, add 40g of emulsifier AEO-7 and 22g of glacial acetic acid, stir evenly, discharge and pack, and a non-silicon type hydrophilic softener for textiles is prepared.
Embodiment example 2
[0048] Put 300g of stearic acid into a four-neck flask, start stirring and heating, wait for it to melt completely at around 75°C, open the nitrogen valve, let nitrogen flow into the bottom of the liquid, add 1.6g of ester catalyst p-toluenesulfonic acid, and heat up to 110°C Start to add 98g of N-methyldiisopropanolamine dropwise. After the dropwise addition, raise the temperature to 150°C and react at a constant temperature for 1 hour, then add 60g of polyethylene glycol 600, and raise the temperature to 180°C for 6 hours at a constant temperature. , then lower the temperature, and when the temperature is lowered to 75° C., add 62 g of diethyl sulfate to react for 3 hours, and the reaction ends. Cool to below 60°C, add 15g of emulsifier AEO-3 and 30g of glacial acetic acid, stir evenly, discharge and pack, and a non-silicon type hydrophilic softener for textiles is prepared.
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