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Dyeing master batch for polypropylene-polyethylene bi-component fiber and preparation method thereof

A technology of bicomponent fiber and coloring masterbatch, which is applied in the field of coloring masterbatch, coloring masterbatch for polypropylene-polyethylene bicomponent fiber and its preparation, can solve the problem that the coloring masterbatch cannot meet the production needs, and the spinneret is changed. Long board cycle, high production and maintenance costs, to improve production efficiency and product quality, reduce production costs, and reduce downtime

Active Publication Date: 2017-05-31
成都菲斯特新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention aims to solve a series of problems such as high production and maintenance costs and unstable product quality caused by the inability of the coloring masterbatch used in PP-PE bicomponent fibers to meet the production needs in the prior art, and to provide a new polypropylene -Coloring masterbatch for polyethylene two-component fiber, through the specific selection of carrier resin, pigment, etc., not only the masterbatch has good coloring effect, smooth and continuous spinning, long spinneret replacement cycle, but also endows Fiber anti-sticking function

Method used

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  • Dyeing master batch for polypropylene-polyethylene bi-component fiber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of polypropylene-polyethylene two-component fiber coloring masterbatch is composed of the following raw materials in parts by mass: rutile titanium dioxide R 249 65 parts, 10 parts of carrier A, 22 parts of carrier B, 1 part of silicone oil, 1 part of anti-sticking agent PPA, 1 part of zinc stearate.

[0030] In this embodiment, the melt index of carrier A is 5 g / 10 min, and the melt index of carrier B is 40 g / 10 min.

[0031] In this example, the formula of PPA is: 0.04 part of fluororesin F-2, 0.2 part of carrier A, 0.75 part of carrier B, and 0.01 part of zinc stearate.

[0032] In this example, the rutile titanium dioxide R 249 The average particle size is 0.16 μm, and its pressure filtration value under the condition of 1400 mesh filter screen is 0.19Bar / g.

Embodiment 2

[0034] A kind of polypropylene-polyethylene two-component fiber coloring masterbatch is composed of the following raw materials in parts by mass: rutile titanium dioxide R 108 70 parts, 5 parts of carrier A, 25 parts of carrier B, 0.5 parts of silicone oil, 1 part of PPA, 1 part of zinc stearate.

[0035] In this embodiment, the melt index of carrier A is 8 g / 10 min, and the melt index of carrier B is 65 g / 10 min.

[0036] In this example, the formula of PPA is: 0.04 part of fluororesin F-2, 0.3 part of carrier A, 0.65 part of carrier B, and 0.01 part of zinc stearate.

[0037] In this example, the rutile titanium dioxide R 108 The average particle size is 0.15 μm, and its pressure filtration value under the condition of 1400 mesh filter screen is 0.016Bar / g.

Embodiment 3

[0039] A coloring masterbatch for polypropylene-polyethylene bicomponent fibers, which consists of the following raw materials in parts by mass: 35 parts of phthalocyanine green, 15 parts of cadmium yellow, 6 parts of carrier A, 24 parts of carrier B, and 1 part of silicone oil , 0.5 part of PPA, 0.5 part of zinc stearate.

[0040] In this embodiment, the melt index of carrier A is 10 g / 10 min, and the melt index of carrier B is 45 g / 10 min.

[0041] In this example, the formula of PPA is: 0.04 part of fluororesin F-2, 0.35 part of carrier A, 0.6 part of carrier B, and 0.01 part of zinc stearate.

[0042] In this embodiment, the average particle diameter of the pigment is 0.17 μm, and its pressure filtration value under the condition of a 1400-mesh filter is 0.023 Bar / g.

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Abstract

The invention discloses a dyeing master batch for a polypropylene-polyethylene bi-component fiber and a preparation method thereof and belongs to the technical field of chemical fibers. The dyeing master batch contains the following raw materials in parts by weight: 0.5-1 part of anti-bonding agent, 30-40 parts of carrier A and carrier B, 50-70 parts of pigment, 0.5-1 part of stabilizer and 0.5-1 part of coupling reagent; the carrier A is LLDPE aggregate with a melting index of 1-10g / 10min; the carrier B is LLDPE powder with the melting index of 35-65g / 10min. The preparation method for the dyeing master batch disclosed by the invention comprises the following steps: feeding under negative pressure; automatically metering; mixing under room temperature; extruding; drying; and automatically packaging. According to the invention, due to the selection for the raw materials and the specific design for the formula, the dyeing effect and spinning property of the master batch can be guaranteed; the anti-adhering effect of the fiber can be realized; the phenomenon that fiber adheres to a net and a roll can be overcome; the halting, cleaning and net-replacing frequency can be reduced; the production efficiency and the product quality can be promoted; the production cost is lowered; the dyeing master batch is suitable for large-scale production.

Description

technical field [0001] The invention relates to a coloring masterbatch, in particular to a coloring masterbatch for polypropylene-polyethylene bicomponent fibers and a preparation method thereof, which belongs to the technical field of chemical fibers for producing non-woven fabrics by hot rolling bonding. Background technique [0002] There is no functional group in the polypropylene fiber molecule, and the molecular aggregation structure is tight. Conventional polypropylene fiber is generally difficult to dye. How to apply the usual dyeing technology to polypropylene fibers has become a concern. At present, a variety of dyeable polypropylene fiber technologies have been developed, which can be roughly divided into two categories: one is to graft polymers or monomers containing dye-friendly groups onto polypropylene molecular chains through graft copolymerization, Make it dyeable; the second is to destroy and reduce the close aggregation structure between polypropylene mac...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L27/12C08L83/04C08K5/098
Inventor 彭志远薛燕
Owner 成都菲斯特新材料有限公司
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