Completely biodegradable stone paper material and preparation method thereof

A technology of biodegradation and stone paper, which is applied in the field of stone paper materials, can solve the problems of non-biodegradability, and achieve the effects of low cost, simple and easy preparation method, and easy popularization and application

Active Publication Date: 2013-06-05
山东悦泰生物新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problem that the existing stone paper cannot be biodegraded with the traditional plastic polyethylene as the carrier, the purpose of the present invention is to provide a completely biodegradable stone paper material, which can be completely biodegradable; the present invention also provides its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Mix 55% heavy calcium carbonate (1250 mesh), 5% talc powder (3000 mesh), 25% PBAT (melting point: 110-120°C, melting index: 4.5), 5% PBS (melting point: 114°C, melting index: 6.2), 3.5% acetyl tributyl citrate, 0.5% succinic acid, 1% di(dioctyl pyrophosphate) glycolate titanate (KR138S), 2% N,N-ethylene bisstearamide ( EBS), 3% PE wax (melting point: 95-100°C) were sequentially added to the high-speed mixer with oil bath heating, the oil bath temperature was set to 40°C, and high-speed (1400rpm) stirring for 120s, after pre-plasticization Release; then add the pre-plasticized material to the parallel twin-screw extruder with an aspect ratio of 48 to further plasticize, extrude and granulate to obtain stone paper materials. The 12 zones of the extruder are 120-140-145-150- 150-150-150-150-150-145-145-140°C.

Embodiment 2

[0033] Mix 30% heavy calcium carbonate (1250 mesh), 45% sodium sulfate (2000 mesh), 18% P3,4-HB (melting point: 110-120°C, melting index: 6.0), 2% PLA (melting point: 160- 170°C, melt index: 4.3), 1% dioctyl phthalate, 1% glycerin, 2% γ-aminopropyltriethoxysilane (KH550), 1% erucamide were added to the oil In the high-speed mixer heated by the bath, the temperature of the oil bath is set at 55°C, stirred at high speed (1000rpm) for 80s, pre-plasticized and released; then the pre-plasticized material is added to the parallel twin-screw extruder with an aspect ratio of 48 Further plasticizing, extruding and granulating to obtain the stone paper material, the temperature of each zone in the 12 zones of the extruder is 130-150-155-160-160-160-160-160-160-155-155-150°C.

Embodiment 3

[0035]Mix 32% light calcium carbonate (3000 mesh), 20% mica powder (2000 mesh), 20% PBST (melting point: 110-120°C, melting index: 3.0), 10% PBSA (melting point: 85-95°C, melting Index: 8.5), 5% PCL (melting index: 23.1), 3.5% trioctyl citrate, 1.5% monoglyceride stearate, 0.5% malic acid, 1% adipic acid, 2.5% tri(dodecane phenylsulfonyl) isopropyl titanate (KR-9S), 1% calcium stearate, 3% N,N-bisstearamide (EBS) were sequentially added to a high-speed mixer with oil bath heating, Set the temperature of the oil bath at 30°C, stir at high speed (800rpm) for 150s, and release the pre-plasticized material; then add the pre-plasticized material to the parallel twin-screw extruder with an aspect ratio of 48 for further plasticizing, extruding and granulating To obtain the stone paper material, the temperature of each zone in the 12 zones of the extruder is 110-120-130-130-130-130-130-130-130-130-125-120°C.

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PUM

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Abstract

The invention relates to a stone paper material, and in particular relates to a completely biodegradable stone paper material and a preparation method thereof. The completely biodegradable stone paper material is obtained by taking a completely biodegradable polymer as a carrier and adding a plasticizer, a bulking agent, a coupling reagent, a dispersing agent and inorganic filler. According to the completely biodegradable stone paper material, the problem that the existing stone paper taking traditional plastic polyethylene as the carrier is not biodegradable is solved, and the completely biodegradable stone paper material is completely biodegradable; and the preparation method is simple to operate and is easy to realize. The completely biodegradable stone paper material can be molded through blowing in a common low density polyethylene membrane blowing machine, the equipment does not need to be improved, the blowing process is simple, the cost is low, the equipment investment is low, and the completely biodegradable stone paper material is easy to popularize and apply.

Description

technical field [0001] The invention relates to a stone paper material, in particular to a completely biodegradable stone paper material and a preparation method thereof. Background technique [0002] Nowadays, paper has become an indispensable part of people's life. As the most traditional and oldest information recording carrier, it is widely used in packaging materials, sanitary materials, environmental protection tableware and other fields. China has become the largest of paper products consuming countries. With the rapid development of the economy and the continuous improvement of people's living standards, people's excessive use and over-reliance on paper makes people's demand for paper still increase year by year, resulting in a large number of trees being felled, and the accompanying paper production process The comprehensive environmental problems caused by the "three wastes" pollution problem urgently need a new solution. [0003] In such a historical background,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L67/04C08L69/00C08K13/02C08K3/26C08K3/34C08K5/092C08K5/20C08K3/30C08K5/12C08K5/544
Inventor 庞买只卢伟李宗华
Owner 山东悦泰生物新材料有限公司
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