Polyamide functional master batch carrier resin and polyamide functional master batch

A technology of functional master batch and carrier resin, which is applied in the field of polyamide functional master batch carrier resin and polyamide functional master batch, can solve the problems of poor dispersion uniformity and difficulty in dispersing functional powder, and achieves improved processing performance and accelerated dispersion effect. , the effect of improving liquidity

Active Publication Date: 2022-07-01
CHINESE TEXTILE ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the defects of the prior art, the present invention provides a polyamide functional masterbatch carrier resin and a polyamide functional masterbatch, by using copolyamide as the carrier resin, utilizing the characteristics of low melting point and good fluidity of copolyamide, realizing It ensures the uniform dispersion of the functional powder in the carrier resin, and can still disperse it evenly when the particle size of the functional powder is small, overcoming the difficulty of dispersing the functional powder in the polyamide melt and the problem of poor dispersion uniformity. A polyamide functional masterbatch capable of preparing high-quality fine-denier polyamide functional fibers has been obtained

Method used

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  • Polyamide functional master batch carrier resin and polyamide functional master batch
  • Polyamide functional master batch carrier resin and polyamide functional master batch
  • Polyamide functional master batch carrier resin and polyamide functional master batch

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Embodiment 1

[0051] As an embodiment of the present invention, the present embodiment provides a polyamide functional masterbatch carrier resin. In this embodiment, the ratio of raw materials (molar ratio) used is as follows:

[0052] caprolactam: 100;

[0053] Nylon 66 salt: 5;

[0054] Branching agent aminocaprolactam: 0.1.

[0055] Further, the preparation method of above-mentioned polyamide functional master batch carrier resin is as follows:

[0056] S1, the raw material is transported to the pre-polymerization reactor for hydrolysis and ring-opening copolymerization to obtain the copolyamide prepolymer, and the reaction temperature is 260° C., and the reaction pressure is 4MPa;

[0057] S2, the copolyamide prepolymer prepared in step S1 is transported to the prepolymerization reactor for prepolymerization reaction to obtain the copolyamide prepolymer, the reaction temperature is 270 ° C, and the reaction pressure is 0.6 MPa;

[0058] S3. The copolyamide prepolymer prepared in step...

Embodiment 2

[0062] As an embodiment of the present invention, the present embodiment provides a polyamide functional masterbatch carrier resin. In this embodiment, the ratio of raw materials (molar ratio) used is as follows:

[0063] caprolactam: 100;

[0064] Nylon 66 salt: 30;

[0065] Branching Agent Lysine: 1.

[0066] Further, the preparation method of above-mentioned polyamide functional master batch carrier resin is as follows:

[0067] S1, the raw material is transported to the pre-polymerization reactor for hydrolysis and ring-opening copolymerization to obtain the copolyamide prepolymer, and the reaction temperature is 260° C., and the reaction pressure is 4MPa;

[0068] S2, the copolyamide prepolymer prepared in step S1 is transported to the prepolymerization reactor for prepolymerization reaction to obtain the copolyamide prepolymer, the reaction temperature is 270 ° C, and the reaction pressure is 0.6 MPa;

[0069] S3. The copolyamide prepolymer prepared in step S2 is tran...

Embodiment 3

[0073] As an embodiment of the present invention, the present embodiment provides a polyamide functional masterbatch carrier resin. In this embodiment, the ratio of raw materials (molar ratio) used is as follows:

[0074] caprolactam: 100;

[0075] Nylon 66 salt: 20;

[0076] Branching agent pyromellitic acid: 0.5.

[0077] Further, the preparation method of above-mentioned polyamide functional master batch carrier resin is as follows:

[0078] S1, the raw material is transported to the pre-polymerization reactor for hydrolysis and ring-opening copolymerization to obtain the copolyamide prepolymer, and the reaction temperature is 260° C., and the reaction pressure is 4MPa;

[0079] S2, the copolyamide prepolymer prepared in step S1 is transported to the prepolymerization reactor for prepolymerization reaction to obtain the copolyamide prepolymer, the reaction temperature is 270 ° C, and the reaction pressure is 0.6 MPa;

[0080] S3. The copolyamide prepolymer prepared in st...

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Abstract

According to the polyamide functional master batch carrier resin and the polyamide functional master batch provided by the invention, the copolyamide is used as the carrier resin, and the characteristics of low melting point and better flowability of the copolyamide are utilized, so that the uniform dispersion of the functional powder in the carrier resin is realized; the problems that the functional powder with small particle size is difficult to disperse in the polyamide melt and the uniformity is poor are solved, and the polyamide functional master batch capable of preparing the high-quality fine denier polyamide functional fiber is obtained.

Description

technical field [0001] The invention belongs to the technical field of polymer material synthesis, and particularly relates to a polyamide functional master batch carrier resin and a polyamide functional master batch. Background technique [0002] Due to its excellent properties such as moisture absorption, skin-friendly, high wear resistance, chemical stability, and good resilience, nylon 6 fiber is widely used in the fields of clothing, industry and military industry. It is currently the second largest synthetic fiber variety with huge development potential. [0003] For the modification of polyamide fibers, in the early days, it mainly focused on the modification of the fiber morphology and the chemical structure of fiber-forming polymers, and now it has been extended to functional modification, and blending modification is an important modification of functional modification. method. By mixing inorganic materials with antibacterial, anti-ultraviolet, far-infrared, antis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G69/36C08G69/04C08L77/00C08L23/08C08K3/22C08K9/12C08K3/08C08K3/28C08K3/16C08K3/34C08J3/22
CPCC08G69/36C08G69/04C08J3/226C08J2477/00C08J2423/08C08K2003/2241C08K9/12C08K2003/0806C08K2003/282C08K3/16C08K2003/085C08K2003/2227C08K3/34
Inventor 金剑邱志成甘丽华姜锋赵晓婷刘伯林
Owner CHINESE TEXTILE ACAD
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