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High-fluidity black masterbatch for PA engineering plastics and preparation method thereof

A high-flow technology for engineering plastics, applied in the field of high-flow black masterbatch for PA engineering plastics and its preparation, can solve the problems of difficulty in meeting the processability and surface requirements of high-filled nylon engineering plastics, and achieves improved processing fluidity and improved dispersion. effect, the effect of improving blackness

Active Publication Date: 2020-05-19
ZHEJIANG JAVA SPECIALTY CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One of the technical problems to be solved by the present invention is to provide a high-flow black masterbatch for PA engineering plastics, which can effectively improve the fluidity and color dispersibility of PA plastics; thereby improving the product quality. Surface blackness, gloss and wear resistance, improve the surface "floating fiber" of reinforced nylon, and solve the problem that the existing black masterbatch is difficult to meet the higher processability and surface requirements of high-filled nylon engineering plastics

Method used

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  • High-fluidity black masterbatch for PA engineering plastics and preparation method thereof
  • High-fluidity black masterbatch for PA engineering plastics and preparation method thereof
  • High-fluidity black masterbatch for PA engineering plastics and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A high-flow black masterbatch for PA engineering plastics, by weight percentage, includes the following components:

[0026] LDPE MG70 33%;

[0027] PE-g-MAH 15%;

[0028] High Pigment Carbon Black 25%;

[0029] Oil soluble black 7 10%;

[0030] Nano silicon carbide 10%;

[0031] Tetradecanedioic acid 5%;

[0032] Silane coupling agent KH550 2%;

[0033] Its preparation method comprises the following steps:

[0034] (1) Mix high-pigment carbon black, oil-soluble black 7, and nano-silicon carbide with xylene, add silane coupling agent KH550, stir and mix, heat to 80°C, react for 4 hours, and rotate to evaporate at 75°C after the reaction Concentrate, then dry, and dry the obtained solid at 105°C for grinding to obtain modified high-pigment carbon black, modified oil-soluble black 7, and modified nano-silicon carbide;

[0035] (2) The above-mentioned modified high-pigment carbon black, modified oil-soluble black 7, and modified nano-silicon carbide are mixed unifor...

Embodiment 2

[0037] A high-flow black masterbatch for PA engineering plastics, by weight percentage, comprising the following components:

[0038] POE 8200 33%;

[0039] POE-g-MAH 15%;

[0040] High Pigment Carbon Black 25%;

[0041] Oil soluble black 7 10%;

[0042] Nano silicon carbide 10%;

[0043] Tetradecanedioic acid 5%;

[0044] Silane coupling agent KH560 2%;

[0045] Its preparation method comprises the following steps:

[0046] (1) Mix high-pigment carbon black, oil-soluble black 7, and nano-silicon carbide with xylene respectively, add silane coupling agent KH560, stir and mix, heat to 80°C, react for 4 hours, and rotate to evaporate at 75°C after the reaction Concentrate, then dry, and dry the obtained solid at 105°C for grinding to obtain modified high-pigment carbon black, modified oil-soluble black 7, and modified nano-silicon carbide;

[0047] (2) the above-mentioned modified high-pigment carbon black, modified oil-soluble black 7, and modified nano-silicon carbide a...

Embodiment 3

[0049] A high-flow black masterbatch for PA engineering plastics, by weight percentage, comprising the following components:

[0050] LDPE MG70 30%;

[0051] PE-g-MAH 15%;

[0052] High Pigment Carbon Black 25%;

[0053] Oil soluble black 7 10%;

[0054] Nano silicon carbide 10%;

[0055] Tetradecanedioic acid 8%;

[0056] Silane coupling agent KH550 2%;

[0057] Its preparation method comprises the following steps:

[0058] (1) Mix high-pigment carbon black, oil-soluble black 7, and nano-silicon carbide with xylene, add silane coupling agent KH550, stir and mix, heat to 80°C, react for 4 hours, and rotate to evaporate at 75°C after the reaction Concentrate, then dry, and dry the obtained solid at 105°C for grinding to obtain modified high-pigment carbon black, modified oil-soluble black 7, and modified nano-silicon carbide;

[0059] (2) The above-mentioned modified high-pigment carbon black, modified oil-soluble black 7, and modified nano-silicon carbide are mixed unifor...

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Abstract

The invention discloses a high-fluidity black masterbatch for PA engineering plastics. The high-fluidity black masterbatch comprises the following components by weight: 29.5-50% of polyolefin resin, 5-20% of maleic anhydride grafted polyolefin, 20-50% of carbon black, 5-20% of nigrosine, 5-20% of nanometer silicon carbide, 5-15% of a rheological agent and 0.5-2% of a silane coupling agent. The invention also discloses a preparation method of the high-fluidity black masterbatch for PA engineering plastics. The high-black masterbatch can effectively improve the flowability of PA plastic and thedispersity of pigment; and therefore, the blackness, glossiness and wear resistance of the surface of a product are improved, the problem of floating fibers on the surface of reinforced nylon is improved, and the problems that existing black masterbatch is hard to meet higher requirements on the processability and surface of high-filling nylon engineering plastics and the like are solved. The preparation method is simple in process and low in cost.

Description

Technical field: [0001] The invention relates to the technical field of polymer materials, in particular to a high-flow black masterbatch for PA engineering plastics and a preparation method thereof. Background technique: [0002] As a widely used engineering plastic, PA has excellent performance, and its performance can be further improved after modification such as filling, reinforcement, toughening, and flame retardancy. It is widely used in automobiles, electronics, packaging, machinery, furniture, Building materials, sports and leisure products, daily necessities, toys and other industries. The coloring of modified nylon materials is an indispensable part in the processing of nylon products, and the coloring of nylon products is mainly black. [0003] At present, the black masterbatches used for nylon coloring are mainly general-purpose black masterbatches, which are obtained by melt extrusion of polyolefin and carbon black. When general-purpose black masterbatches ar...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/08C08L51/06C08K13/06C08K9/06C08K3/04C08K5/42C08K3/34C08K5/092C08J3/22C08L77/00C08L77/02
CPCC08J3/226C08J2377/00C08J2377/02C08J2423/06C08J2451/06C08J2423/08C08K13/06C08K9/06C08K3/04C08K5/42C08K3/34C08K5/092C08K2201/011
Inventor 徐力群胡号任杰金林王永辉蒋城科史鹏堃
Owner ZHEJIANG JAVA SPECIALTY CHEM CO LTD
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