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A kind of PBAT degradable color masterbatch and preparation method thereof

A color masterbatch and pigment technology, applied in the field of color masterbatch, can solve the problems of poor fluidity, difficult to control, easy to fade color difference, etc., and achieve the effect of improving material performance and degradation performance, improving dispersion uniformity and color stability

Active Publication Date: 2020-09-29
SHANDONG WAVE SHAIMULIAO GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, when using masterbatches to color PBAT, ordinary masterbatches are prone to poor dispersion uniformity in PBAT due to poor fluidity, and the color of the prepared product is unstable, easy to fade and color difference is not easy to control
In addition, the degradation performance of ordinary color masterbatch is not good, and the use of ordinary color masterbatch for coloring will also affect the degradation performance of PBAT products

Method used

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  • A kind of PBAT degradable color masterbatch and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] 1. Raw material formula (by mass percentage):

[0042]Pigment 15%, glycerin 5%, starch 15%, glyceryl monostearate 3%, polyethylene grafted maleic anhydride 3%, PBAT 48%, talcum powder 10%, titanate coupling agent 1%.

[0043] 2. Preparation method:

[0044] Add the starch to a high-speed mixer for high-speed mixing and drying, add glycerin for treatment and activation, add pigments, talc powder, glyceryl monostearate, and titanate coupling agent to mix, pre-disperse the pigments, and then add PBAT, polyethylene The grafted maleic anhydride was further dispersed and stirred for 30 minutes for coating. After the material is wetted, the material is released for use. Finally, the material is put into the main machine and extruded by a parallel twin-screw extruder controlled at 140°C-160°C. After cooling by air, it is pelletized to make the required masterbatch.

Embodiment 2

[0046] 1. Raw material formula (by mass percentage):

[0047] Pigment 10%, glycerin 7%, starch 10%, glyceryl monostearate 4%, polyethylene grafted maleic anhydride 2%, PBAT 55%, talcum powder 10%, titanate coupling agent 2%.

[0048] 2. Preparation method:

[0049] Add the starch to a high-speed mixer for high-speed mixing and drying, add glycerin for treatment and activation, add pigments, talc powder, glyceryl monostearate, and titanate coupling agent to mix, pre-disperse the pigments, and then add PBAT, polyethylene The grafted maleic anhydride was further dispersed and stirred for 30 minutes for coating. After the material is wetted, the material is released for use. Finally, the material is put into the main machine and extruded by a parallel twin-screw extruder controlled at 140°C-160°C. After cooling by air, it is pelletized to make the required masterbatch.

Embodiment 3

[0051] 1. Raw material formula (by mass percentage):

[0052] Pigment 20%, glycerin 4%, starch 15%, glyceryl monostearate 2%, polyethylene grafted maleic anhydride 3%, PBAT 40%, talc 15%, titanate coupling agent 1%.

[0053] 2. Preparation method:

[0054] Add the starch to a high-speed mixer for high-speed mixing and drying, add glycerin for treatment and activation, add pigments, talc powder, glyceryl monostearate, and titanate coupling agent to mix, pre-disperse the pigments, and then add PBAT, polyethylene The grafted maleic anhydride was further dispersed and stirred for 30 minutes for coating. After the material is wetted, the material is released for use. Finally, the material is put into the main machine and extruded by a parallel twin-screw extruder controlled at 140°C-160°C. After cooling by air, it is pelletized to make the required masterbatch.

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Abstract

The invention discloses a PBAT degradation color master batch and a preparation method thereof. The PBAT degradation color master batch is prepared from the following components in percentage by mass:10 percent to 20 percent of pigment, 4 percent to 7 percent of glycerinum, 10 percent to 15 percent of starch, 2 percent to 4 percent of monostearin, 2 percent to 4 percent of compatilizer, 40 percent to 55 percent of PBAT, 5 percent to 15 percent of talcum powder, and 1 percent to 2 percent of coupling agent. The PBAT degradation color master batch provided by the invention has excellent dispersion uniformity in the PBAT, and the product has the characteristics of good color dispersibility, excellent color stability and the like; in addition, a material performance and a degradation performance of the product are improved to some extent.

Description

technical field [0001] The invention relates to the technical field of color masterbatches, in particular to a PBAT degraded color masterbatch and a preparation method thereof. Background technique [0002] The "white pollution" caused by plastic waste is a major problem facing mankind at present. The control of white pollution and the demand for new environmentally friendly non-petroleum-based polymers are current global concerns. Biodegradable materials are a temporary solution and a permanent cure. Therefore, it is of great significance to explore and develop biodegradable polyester products. [0003] Poly(butylene adipate-butylene terephthalate) (PBAT) is a new type of biodegradable copolyester, which uses terephthalic acid, adipic acid and butanediol as raw materials. It is a biodegradable material polymerized by direct esterification or transesterification, so PBAT has the properties of both PBA and PET: it contains flexible aliphatic segments, which ensures the good ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/02C08L3/02C08L51/06C08K5/053C08K5/103C08K3/34C08K13/02C08J3/22
CPCC08J3/226C08J2367/02C08J2403/02C08J2467/02C08K3/34C08K5/053C08K5/103C08K13/02
Inventor 王永王林林欧阳秋英类衍萍郝立芬王培利
Owner SHANDONG WAVE SHAIMULIAO GRP
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