Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method for functionalized polyamide fiber

A technology of polyamide and polyamide, applied in the field of preparation of functionalized polyamide fibers, can solve the problems of complex processing technology and narrow applicability, and achieve the effects of improving agglomeration, high universality, and small particle size

Active Publication Date: 2014-04-23
DONGHUA UNIV
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In CN 101768258A, a chemical method is provided to connect CBT catalyst to POSS nanomaterials and add them to CBT for the preparation of PBT / POSS novel nanocomposites. This method makes POSS nanomaterials the active center of the reaction , to further improve the dispersion of functional powders in organic matrices. However, the use of chemical methods to attach catalytic groups to nanomaterials requires certain requirements for materials, and the processing technology is also relatively complicated. The applicability of this method is relatively narrow. , with certain limitations

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method for functionalized polyamide fiber
  • Preparation method for functionalized polyamide fiber
  • Preparation method for functionalized polyamide fiber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] (1) Preparation of PBT-coated carbon nanotube powder

[0047] 1) Carry a layer of CBT catalyst on the surface of carbon nanotube powder: dissolve the catalyst ethyl titanate in ethanol to form a solution with a mass concentration of 25%; add carbon nanotube powder to the above solution in, and stirred; the particle diameter of the carbon nanotube powder is 20nm, and the mass ratio of the carbon nanotube powder to the ethyl titanate in the solution is 15:1; standing for stratification, obtaining the lower layer of precipitation , further remove the ethanol solvent at 90°C to obtain the loaded carbon nanotube powder loaded with ethyl titanate, figure 1 It is a schematic diagram of a loaded functional powder with a CBT catalyst loaded on its surface, that is, a schematic diagram of a loaded carbon nanotube powder with ethyl titanate loaded on its surface. The functional powder shown in Figure 1 is a carbon nanotube powder , the titanium-based catalyst represented by 2 is ...

Embodiment 2

[0055] (1) Preparation of PBT-coated nano-titanium dioxide powder

[0056] 1) Carry a layer of CBT catalyst on the surface of nano-titanium dioxide powder: dissolve the catalyst isopropyl titanate in ethanol to form a solution with a mass concentration of 35%; add nano-titanium dioxide powder to the above solution , and stirred; the particle diameter of the nano-titanium dioxide powder is 40nm, and the mass ratio of the nano-titanium dioxide powder to the isopropyl titanate in the solution is 25:1; standing for stratification, obtaining the lower layer of precipitation, in The ethanol solvent is further removed at 100°C to obtain nano-sized titanium dioxide powder loaded with isopropyl titanate. figure 1 It is a schematic diagram of a loaded functional powder with a CBT catalyst on the surface, that is, a schematic diagram of a loaded nano-titanium dioxide powder with isopropyl titanate on the surface. The functional powder shown in Figure 1 is a nano-titanium dioxide powder. ...

Embodiment 3

[0074] (1) Preparation of PBT-coated tourmaline powder

[0075]1) Carry a layer of CBT catalyst on the surface of the tourmaline powder: dissolve the catalyst 2-ethylhexyl titanate in ethanol to form a solution with a mass concentration of 30%; add the tourmaline powder to in the above solution, and stirred; the particle diameter of the tourmaline powder is 60nm, and the mass ratio of the tourmaline powder to the 2-ethylhexyl titanate in the solution is 20:1; , to obtain the lower precipitate, and further remove the ethanol solvent at 95°C to obtain the loaded tourmaline powder loaded with 2-ethylhexyl titanate, figure 1 It is a schematic diagram of a loaded functional powder with a CBT catalyst on the surface, that is, a schematic diagram of a loaded tourmaline powder with 2-ethylhexyl titanate supported on the surface. The functional powder shown in Figure 1 is tourmaline Powder, the titanium catalyst represented by 2 is 2-ethylhexyl titanate. After the tourmaline powder 1 ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
particle size (mesh)aaaaaaaaaa
particle size (mesh)aaaaaaaaaa
Login to View More

Abstract

The invention relates to a preparation method for functionalized polyamide fiber. The functionalized polyamide fiber is formed by blending and spinning polyamide slices and functional powder coated by PBT (polybutylene terephthalate), wherein a preparation method for the functional powder coated by PBT comprises the steps of loading a titanium catalyst on the surface of the functional powder, adding polybutylene terephthalate cyclic oligomers (CBT) to generate polymerization on the surface of the functional powder to generate PBT resin, atomizing and pulverizing to obtain the functional powder powder coated by PBT. The catalyst polymerized by CBT is carried on the surface of the functional powder through loading technology, the mass ratio of the PBT resin and the functional powder is 2-4:1. The mass ratio of the polyamide slices and the functional powder coated by PBT is 10-15:1. In the method, the compatibility of the functional powder coated by PBT and the polyamide is excellent, and the functionalized effect of the obtained functionalized polyamide fiber is excellent.

Description

technical field [0001] The invention relates to the field of functional materials, in particular to a preparation method of functionalized polyamide fibers. Background technique [0002] With the continuous development of the fiber industry, people's requirements for fibers are not limited to the functions of covering the body and beauty in the past, but more focus on realizing the functionalization and diversified use of fibers. At present, the functional modification of various synthetic fibers including polyester fiber, polyamide fiber and polypropylene fiber has made great progress. The main functional means include chemical grafting of fibers and blending The finishing method of silk and fabrics, etc. Among them, the functionalization of fibers by blending spinning is the easiest and most effective means, and the functionalization effect of the obtained fibers is also relatively long-lasting. Most of the functional powders used in the fiber functionalization process ar...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): D01F6/90D01F1/10C09C1/44C09C1/36C09C1/28C09C1/00C09C3/10D01D1/04D01D1/10D01D5/08D01D5/12
Inventor 王彪李莉王华平
Owner DONGHUA UNIV