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Stone paper functional master batch with multilayer coating core shell structure and preparation method of stone paper functional master batch

A core-shell structure and multi-layer coating technology, applied in the field of stone paper making, can solve the problem of inability to achieve uniform blending of inorganic fillers and organic carrier resins, increase the amount of coupling agent or dispersant, limit the promotion and application of stone paper, etc. Problems, achieve good practical value and application prospects, improve product quality, broad industrialization and market prospects

Pending Publication Date: 2018-03-09
云南昆钢石头纸环保材料有限公司
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  • Description
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AI Technical Summary

Problems solved by technology

However, the higher filling ratio of inorganic fillers and smaller particle size characteristics make it difficult to disperse into a uniform system in the resin carrier
The traditional coupling modification treatment technology can only partially reduce the surface energy of the filler particles, and cannot realize the uniform blending of the inorganic filler and the organic carrier resin, which in turn makes it easy to cause scars caused by uneven dispersion and production during the stone paper processing process. However, under the traditional stone paper masterbatch processing system, in order to solve the above problems, it is necessary to increase the amount of coupling agent or dispersant, which pushes up the production cost and seriously limits the stone paper. Product promotion and application

Method used

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  • Stone paper functional master batch with multilayer coating core shell structure and preparation method of stone paper functional master batch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1: anti-aging stone paper masterbatch

[0033] As shown in the figure, the stone paper functional masterbatch with a multi-layer core-shell structure, the stone paper functional masterbatch consists of an inorganic filler layer 6, a coupling layer 5, a dispersion layer 4, and an increaser in sequence from the core to the shell. Solvent layer 3, functional layer 2 and resin layer 1 constitute.

[0034] The thickness of the inorganic filler layer 6 is 1-13 microns.

[0035] The thickness of the coupling layer 5 is 0.1-1 micron.

[0036] The dispersion layer 4 has a thickness of 0.1-1 micron.

[0037] The thickness of the solubilizing layer 3 is 0.1-2 microns.

[0038] The thickness of the functional layer 2 is 0.1-1 micron.

[0039] The thickness of the resin layer 1 is 2-5 microns.

[0040] (1) Prepare raw materials according to the following mass percentages: 1000 mesh talc powder 55%, triisostearyl titanate 4%, PP wax 2%, PP-g-MAH maleic anhydride graft...

Embodiment 2

[0044] Example 2: Stone paper masterbatch with flame-retardant and anti-corrosion function

[0045] (1) Prepare raw materials according to the following mass percentages: 55% of 1250 mesh magnesium hydroxide and 30% of aluminum hydroxide, 1% of isopropyl dioleate acyloxy titanate, 1% of PE wax, PE-g- MAH maleic anhydride graft 2%, tert-butyl p-hydroxyinherin 1%, HDPE resin 10%;

[0046] (2) Dry the inorganic filler and carrier resin in a vacuum dryer at 125°C for 9 hours;

[0047] (3) Add the inorganic filler and coupling agent to the high-speed mixer, and pre-mix for 6 minutes at a speed of 1250 rpm; then add the dispersant, solubilizer and functional additive to the high-speed mixer in sequence In the kneader, mix the inorganic filler after coupling treatment at 1250 rpm for 6 minutes at a high speed to fully disperse and coat the inorganic filler to obtain a mixture; then mix the carrier resin with the above multi-layer coating and solubilize and disperse After the mixtur...

Embodiment 3

[0049] Example 3: Easily degradable stone paper functional masterbatch

[0050] (1) Prepare raw materials according to the following mass percentages: the components are prepared according to mass percentages: 1500 mesh calcium carbonate powder 75%, titanium dioxide 5%, distearoyloxyisopropyl aluminate 1%, EVA wax 1% %, EVA-g-MAH maleic anhydride graft 3%, phenyl salicylate 1%, ethylene-vinyl acetate copolymer EVA 14%;

[0051] (2) Dry the inorganic filler and carrier resin in a vacuum dryer at 125°C for 10 hours;

[0052] (3) Add the inorganic filler and coupling agent to the high-speed mixer and pre-mix for 6 minutes at a speed of 1500 rpm; then add the dispersant, solubilizer and functional additive to the high-speed mixer in sequence. In the kneader, mix the inorganic filler after coupling treatment at 1500 rpm for 8 minutes at high speed to fully disperse and coat the inorganic filler to obtain a mixture; After the mixture was blended for 5 minutes at 1500 rpm to obtain...

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Abstract

The invention relates to a stone paper functional master batch with a multilayer coating core shell structure and a preparation method of the stone paper functional master batch. An inorganic powder filler is designed as a core, a coupling agent, a dispersing agent, a solubilizer, a functional agent and carrier resin are designed as a shell, by multilayer coating and solubilizing co-mixing modification technology treatment, the problems of uneven dispersion of inorganic powder, single function and the like are solved in the course of processing the stone paper master batch, and the preparationof a high-filling multifunctional stone paper master batch is realized. The stone paper master batch prepared by the method has functions of high dispersity, good processing fluidity and the like, meanwhile, the stone paper master batch is endowed with certain functionalities, such as flame retardance, aging resistance, easiness to degrade and dielectric, and the problem that traditional stone paper master batch has a single function is overcome. The stone paper functional master batch is simple in production engineering, convenient in operation and control, stable in quality, high in production efficiency. so that the stone paper functional master batch has broad industrialization and market prospects.

Description

technical field [0001] The invention belongs to the technical field of stone papermaking, and in particular relates to a multilayer coated core-shell structure stone paper functional masterbatch and a preparation method thereof. Background technique [0002] Stone paper is made of inorganic powder as the main raw material, mixed with resin carrier, melted, extruded and thinned. The material has the dual characteristics of ordinary fiber paper and plastic products, and has great application value in the fields of packaging, printing, electronics and biopharmaceuticals. However, the higher filling ratio of inorganic fillers and smaller particle size characteristics make it difficult to disperse into a uniform system in the resin carrier. The traditional coupling modification treatment technology can only partially reduce the surface energy of the filler particles, and cannot realize the uniform blending of the inorganic filler and the organic carrier resin, which in turn make...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L51/06C08L51/00C08L23/06C08L23/08C08L23/30C08K3/34C08K5/13C08K3/22C08K3/26C08K5/134C08K5/20C08J3/22
CPCC08J3/226C08J2323/08C08J2323/06C08J2323/12C08J2323/30C08J2451/06C08J2451/00C08J2423/06C08J2423/08C08J2423/12
Inventor 严杨刘瑞铭刘玉新刘畅周建萍
Owner 云南昆钢石头纸环保材料有限公司
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