Carrier-free plastic master batch and preparation method and application of carrier-free plastic master batch

A plastic masterbatch and carrier-free technology, which is applied in the field of carrier-free plastic masterbatch and its preparation, can solve the problems of poor uniform dispersion, low dispersion degree of masterbatch, dispersing and powdering, etc., and achieve avoidance performance The effect of poor variation, low equipment requirements, and simple formula

Active Publication Date: 2014-12-17
广州索润科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (1) The masterbatch is too loose, and it is easy to be broken up and powdered during transportation and use;
[0006] (2) The degree of dispersion of the masterbatch is not high, and it cannot be well and evenly dispersed in the pla

Method used

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  • Carrier-free plastic master batch and preparation method and application of carrier-free plastic master batch
  • Carrier-free plastic master batch and preparation method and application of carrier-free plastic master batch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0053] Utilize the above-mentioned granulation device of the present invention to prepare carrier-free plastic masterbatch (PP drawing color masterbatch): stearic acid, paraffin wax, polyethylene wax, polyethylene glycol, fatty acid bisamide (EBS hyperdispersant after modification) ), the toner is put into the heating kettle according to the mass ratio of 13:57:5:3:2:20, heated to 100°C and melted, and stirred for 10 minutes after they are completely melted. Cylindrical rotator, dripping from the side hole, dripping through free fall to the stainless steel circulation belt with cooling, cooling and solidification, to obtain 0.35 ~ 0.40 cm round masterbatch, the addition amount can be as low as 1.5wt when used %.

Embodiment 3

[0055] Utilize the above-mentioned granulation device of the present invention to prepare carrier-free plastic master batches (PE, PVC, EVA smooth master batches): fatty acid monoglyceride, stearate (zinc stearate), antioxidant (phenolic antioxidant) Oxygen agent), polyethylene glycol, slip agent (oleic acid amide) according to the mass ratio of 70:9:1:5:15, put them into the heating kettle, heat to 100 ℃ to melt, and stir for 10 minutes after all melt , continuously stirred and flowed into the cylindrical rotator full of holes through the conduit, and dropped to the stainless steel circulation belt with cooling through free fall, cooled and solidified, and obtained a round masterbatch of 0.35-0.45 cm, which can be applied to PE, As a smooth masterbatch in PVC or EVA, the addition amount can be as low as 1.5wt%.

Embodiment 4

[0057] Utilize the above-mentioned granulation device of the present invention to prepare carrier-free plastic master batch (smooth master batch): pentaerythritol stearate, stearate (zinc stearate), antioxidant (phenolic antioxidant, sub- Phosphate antioxidant compound), polyethylene glycol, slip agent (erucamide alone or erucamide and behenamide compounded at 2:1) according to 70:9:1:5:15 Put it into the heating kettle, heat it to 100°C to melt, stir for 10 minutes after all the melting, keep stirring, flow into the cylindrical rotator full of holes through the conduit, and drop to the stainless steel with cooling through free fall. Steel circulating belt, cooled and solidified to obtain a round masterbatch of 0.35-0.40 cm. It can be used for film materials such as PP, PET, BOPP, CPP, TPU or TPE, and the dosage can be as low as 2wt%.

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Abstract

The invention belongs to the technical field of plastic master batches, and discloses a carrier-free plastic master batch and a preparation method and an application of the carrier-free plastic master batch. The method comprises the following steps: mixing a plasticizer with an functional assistant; heating, melting and evenly stirring to obtain a mixture; adding the mixture to a granulating device so that the mixture freely falls off from holes of a cylindrical rotator, cooling and solidifying, so as to obtain the carrier-free plastic master batch, wherein the granulating device comprises the horizontally placed cylindrical rotator and a circulating band; holes are fully distributed on the side of the cylindrical rotator; and the circulating band is arranged below the cylindrical rotator. The carrier-free plastic master batch disclosed by the invention has the characteristic of strong general performance without addition of a plastic carrier; various functional assistants are good in dispersity; the obtained master batch is good in physical property, stable, and not easy to smash and disperse; high-speed kneading (or banburying) or single/dual screw extruder is not needed; and the problem of poor performance caused by secondary processing of traditional carrier master batches is avoided, thus the carrier-free plastic master batch can be widely applied to polyolefin and engineering plastics.

Description

technical field [0001] The invention belongs to the technical field of plastic masterbatch preparation, in particular to a carrier-free plastic masterbatch and its preparation method and application. Background technique [0002] Plastic raw materials must be made into plastic material products, and only through processing can they be made into plastic materials. The most commonly used methods for molding (thermoplasticity) under high temperature conditions are extrusion, injection molding, calendering, casting, blow molding, blister and thermoforming. forming. Plastic materials have the advantages of light weight, high strength, excellent electrical properties, easy processing and molding, and bright colors, so they have become the most active field of material systems, and their applications in other fields are also expanding. From people's daily necessities, medical , agriculture and fishery, automobile, electrical and chemical construction, defense industry, aerospace a...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L71/08C08K13/02C08K5/00C08K5/09C08K5/01C08K5/20C08K5/103C08K5/098C08K5/13C08K5/524C08K3/36C08K3/34C08K3/30C08K13/08B29B9/06
CPCC08J3/22C08K3/30C08K3/34C08K3/36C08K5/098C08K5/103C08K5/20C08K2003/3009C08K2003/3045C08K2201/014C08L57/02C08L71/02C08L91/06C08L2201/04C08L2205/03C08L23/06C08L71/00C08K5/09C08K5/41C08K5/526
Inventor 高军吴剑聂海平
Owner 广州索润科技股份有限公司
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