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CAS:115-70-8| The application of AEPD in polyester fibers

2024-01-25 来源:亚科官网

Product Name:    2-Amino-2-ethyl-1,3-propanediol(AEPD)
CAS:115-70-8
Molecular Formula:    C5H13NO2
Article No.:        A0071
Structural Formula:


Product Introduction
AEPD is a biochemical reagent with a molecular weight of 119.16, soluble in water. AEPD can be used as an additive in aqueous suspensions to improve the conductivity of suspensions, can be used as an alkalizing agent in hair forming compositions, can also be used as a component of polyurethane foam, and can also be used in inks.
Application of AEPD
With the improvement of national living standard and the change of climate and environment, facial mask has gradually become an essential product for daily basic skin care. Polyester fiber (PET fiber) is one of the basic materials for making patch facial mask. However, polyester does not contain hydrophilic group and has strong hydrophobicity, which greatly limits its application in the field of patch facial mask. Therefore, hydrophilic modification of polyester fiber is the main task to expand the application field of polyester fiber. The long-term water retention performance of the existing fibers is not satisfactory, which leads to the poor adsorption and water retention ability of the facial mask in the use process. It is necessary to further study and improve the water absorption and water retention of polyester fibers. Therefore, the CN117026411A patent provides a method for preparing modified polyester fibers.
The invention first uses an amino protectant to protect the amino group of diol amine compounds, and then prepares a modified polyester from dialkyl terephthalate, diols, and amino protected diol amine compounds. The fiber surface obtained by melt spinning is deprotected to obtain fibers with active amino groups on the surface, Finally, polyglycidyl ether compounds were grafted with glucosamine derivatives to obtain hydrophilic modified polyethylene terephthalate, which has good hydrophilicity and hydrophilicity retention ability with the facial mask substrate prepared from viscose fibers.
The above-mentioned binary alcohol amine compounds are selected from one or more combinations of 2- (aminomethyl) -1,3-propanediol, 2-amino-2-methyl-1,3-propanediol, 2-aminobutane-1,4-diol, 2-aminobutane-1,3-diol, 3-amino-1,5-pentanediol, 2-amino-2-ethyl-1,3-propanediol, 4-amino-1,2-butanediol, and threonine;
The molecular symmetry and regularity of the modified polyethylene terephthalate prepared from the amino protected diol amine compounds decreased, and the crystallinity of the modified polyethylene terephthalate decreased, which improved the softness of the facial mask substrate.



References
CN117026411A Preparation method of modified polyester fiber and facial mask base cloth containing the polyester fiber.