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Color master batch, and preparation method thereof

A technology of color masterbatch and calcium carbonate, which is applied in the field of color masterbatch, can solve the problems of poor dispersion effect of titanium dioxide particles, and achieve the effects of avoiding damage to mechanical properties, improving dispersion and optical properties, and reducing dosage

Inactive Publication Date: 2019-11-26
江西七彩塑胶染料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of color masterbatch and preparation method thereof, aim to solve the color masterbatch in the prior art, the technical problem that the dispersing effect of titanium dioxide particle as pigment is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of color masterbatch provided by the embodiment of the present invention comprises the following raw materials in parts by weight:

[0037] 24 parts by weight of LLDPE;

[0038] 30 parts by weight of LDPE;

[0039] 5 parts by weight of calcium carbonate;

[0040] 10 parts by weight of starch;

[0041] 25 parts by weight of titanium dioxide;

[0042] 1 part by weight of titanate coupling agent;

[0043] 1 part by weight of sodium lauryl sulfate;

[0044] 7 parts by weight of main dispersant;

[0045] Secondary dispersant 1 part by weight.

[0046] in:

[0047] The mass ratio of the LLDPE to the LDPE is 1:1.25.

[0048] The melt flow index of the LLDPE is 24 g / 10 min.

[0049] The melt flow index of the LDPE is 6g / 10min.

[0050] The mass ratio of the titanate coupling agent to the sodium lauryl sulfate is 1:1.

[0051] The calcium carbonate is nano-calcium carbonate with an average particle diameter of 40nm.

[0052] The mass ratio of calcium carbonate...

Embodiment 2

[0060] A kind of color masterbatch provided by the embodiment of the present invention comprises the following raw materials in parts by weight:

[0061] LLDPE 27 parts by weight;

[0062] LDPE 27 parts by weight;

[0063] 6 parts by weight of calcium carbonate;

[0064] 12.5 parts by weight of starch;

[0065] 30 parts by weight of titanium dioxide;

[0066] 3.5 parts by weight of titanate coupling agent;

[0067] 3.5 parts by weight of sodium lauryl sulfate;

[0068] 9 parts by weight of main dispersant;

[0069] Secondary dispersant 2 parts by weight.

[0070] in:

[0071] The mass ratio of the LLDPE to the LDPE is 1:1.

[0072] The melt flow index of the LLDPE is 25.5 g / 10 min.

[0073] The melt flow index of the LDPE is 7g / 10min.

[0074] The mass ratio of the titanate coupling agent to the sodium lauryl sulfate is 1:1.

[0075] The calcium carbonate is nano calcium carbonate with an average particle diameter of 65nm.

[0076] The mass ratio of calcium carbonate...

Embodiment 3

[0084] A kind of color masterbatch provided by the embodiment of the present invention comprises the following raw materials in parts by weight:

[0085] 30 parts by weight of LLDPE;

[0086] LDPE 24 parts by weight;

[0087] 7 parts by weight of calcium carbonate;

[0088] 15 parts by weight of starch;

[0089] 35 parts by weight of titanium dioxide;

[0090] 6 parts by weight of titanate coupling agent;

[0091] 6 parts by weight of sodium lauryl sulfate;

[0092] 11 parts by weight of main dispersant;

[0093] 3 parts by weight of secondary dispersant.

[0094] in:

[0095] The mass ratio of the LLDPE to the LDPE is 1:0.8.

[0096] The melt flow index of the LLDPE is 27g / 10min.

[0097] The melt flow index of the LDPE is 9g / 10min.

[0098] The mass ratio of the titanate coupling agent to the sodium lauryl sulfate is 1:1.

[0099] The calcium carbonate is nano calcium carbonate with an average particle diameter of 90nm.

[0100] The mass ratio of calcium carbonat...

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Abstract

The invention belongs to the technical field of color master batch, and especially relates to a color master batch, and a preparation method thereof. The color master batch comprises, by weight, 24 to30 parts by weight of LLDPE; 24 to 30 parts by weight of LDPE; 5 to 7 parts by weight of calcium carbonate; 10 to 15 parts by weight of starch; 25 to 35 parts by weight of titanium dioxide; 1 to 6 parts by weight of a titanate coupling agent; 1 to 6 parts by weight of lauryl sodium sulfate; 7 to 11 parts by weight of a primary dispersant; and 1 to 3 parts by weight of a secondary dispersant. Thepreparation method comprises following steps: 1, titanium dioxide powder pre-treatment; 2, calcium carbonate pre-treatment; 3, mixing; and 4, granulation. According to the preparation method, LLDPE and LDPE are taken as carriers, and the processing rheological property of the color master batch is better than that of master bath taking LDPE as a carrier.

Description

technical field [0001] The invention belongs to the technical field of color master batches, in particular to a color master batch and a preparation method thereof. Background technique [0002] Masterbatches are pigment preparations, which are aggregates made by uniformly attaching super-normal colorants to resins by a special method, also called pigment concentrates, and are high-efficiency coloring materials dedicated to new polymer materials. preparation. [0003] Color masterbatch is generally composed of three parts: carrier resin, pigment and dispersant. Commonly used inorganic pigments are: cadmium red, cadmium yellow, titanium dioxide, carbon black, iron oxide red, iron oxide yellow, etc. For the color masterbatch with titanium dioxide as pigment, due to the large particle size of titanium dioxide, the dispersion effect of titanium dioxide particles in the system is poor, and the processing rheological properties are poor. Contents of the invention [0004] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/08C08L3/02C08K9/04C08K3/26C08K3/22C08K13/06C08J3/22
CPCC08J3/226C08J2403/02C08J2423/06C08J2423/08C08K9/04C08K13/06C08K2003/2241C08K2003/265C08K2201/003C08K2201/011
Inventor 周吉明
Owner 江西七彩塑胶染料有限公司
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