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Surface treatment method of natural organic filler utilizing coupling agent vaporization principle

An organic filler and surface treatment technology, which is used in the field of surface treatment of natural organic fillers using the principle of coupling agent vaporization, can solve the problems of poor coupling agent treatment effect, inability to fully stir materials, and adverse effects on product performance. Improve the effect of surface treatment, easy discharge and easy cleaning

Inactive Publication Date: 2012-08-01
CHONGQING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this improved method introduces solvents, which are difficult to remove completely and have adverse effects on product performance.
(2) The high-speed mixer has requirements on the amount of one-time feeding. If the amount of filler to be processed is less than the one-time feeding amount of the high-speed mixer, the high-speed rotor cannot fully stir the materials, and the treatment effect of the coupling agent is not good.
(3) After using the high-speed mixer to process the filler, it is difficult to discharge the material, and the filler is seriously adhered to the inner wall of the high-speed mixer, which is not easy to clean, and it is easy to cause loss of the filler

Method used

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  • Surface treatment method of natural organic filler utilizing coupling agent vaporization principle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Taking corn starch as the object to be processed:

[0023] 1) Weigh 60g of cornstarch and 0.6g of coupling agent (the amount of coupling agent is 1% of the amount of cornstarch), dry the cornstarch in an oven for 2.5 hours, and the temperature in the oven is 60-80°C; 2) Put Put the coupling agent at the bottom of the container (that is, the treatment agent placement area), evenly place the dried cornstarch on the separator in the container (that is, the filler placement area), and cover the top of the container with a sealing cover to make the container in Sealed state; 3) Adjust the temperature-controllable heating plate. The temperature-controllable heating plate is controlled above the vaporization temperature of the coupling agent and below the decomposition temperature of the coupling agent. After the temperature is constant, place the sealed container in a temperature-controllable heating 4) After the coupling agent is completely vaporized, turn off the power...

Embodiment 2

[0028] Taking potato starch as the object to be processed:

[0029] 1) Weigh 60g of potato starch and 1.2g of coupling agent (the amount of coupling agent is 2% of the amount of potato starch), and dry the potato starch in an oven for 2 hours at a temperature of 60-80°C; 2) put Put the coupling agent at the bottom of the container (i.e. the treatment agent placement area), evenly place the dried potato starch on the separator in the container (i.e. the filler placement area), and cover the top of the container with a sealing cover so that the container is in Sealed state; 3) Adjust the temperature-controllable heating plate. The temperature-controllable heating plate is controlled above the vaporization temperature of the coupling agent and below the decomposition temperature of the coupling agent. After the temperature is constant, place the sealed container in a temperature-controllable heating 4) until the coupling agent is completely vaporized, turn off the power of th...

Embodiment 3

[0034] Taking peanut shell fiber as the object to be processed:

[0035]1) Weigh 60g of peanut shell fiber and 1.8g of coupling agent (the amount of coupling agent is 3% of the amount of peanut shell fiber), dry the peanut shell fiber in an oven for 2.5 hours, and the temperature in the oven is 60-80°C; 2) Put the coupling agent into the bottom of the container (i.e. the treatment agent placement area), evenly place the dried peanut shell fiber on the partition in the container (i.e. the filler placement area), and cover the top of the container with a sealing cap , so that the container is in a sealed state; 3) Adjust the temperature-controllable heating plate. The temperature-controllable heating plate is controlled above the vaporization temperature of the coupling agent and below the decomposition temperature of the coupling agent. After the temperature is constant, place the sealed container in temperature-controllable heating plate; 4) until the coupling agent is com...

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Abstract

The invention discloses a surface treatment method of a natural organic filler utilizing a coupling agent vaporization principle, which comprises the following steps of: 1) determining the use amount of a coupling agent according to the use amount of the natural organic filler and drying the natural organic filler; 2) placing the coupling agent on the bottom of a container, placing the natural organic filler on a partition plate and covering with a sealing cover; 3) adjusting the temperature of a temperature-controllable heating plate to above the vaporization temperature and below the decomposition temperature of the coupling agent, placing the container on the temperature-controllable heating plate after the temperature is constant, and taking out the natural organic filler after the coupling agent is completely vaporized; and 5) plastifying and shaping the vaporized natural organic filler and a synthetic resin. The surface treatment method has good treatment effects that: the vaporized coupling agent may significantly increase the contact surface with the natural organic filler, thus improving the surface treatment effect; and the surface treatment method has the advantages of low manufacturing cost, easy material discharge, low filler loss and high applicability, and the surface treatment method has no limit on the treatment amount of the natural organic filler and is applicable to a small amount of the natural organic fillers that can not be treated by a high-speed mixer.

Description

technical field [0001] The invention relates to a method for surface treatment of natural organic fillers, in particular to a method for surface treatment of natural organic fillers using the principle of coupling agent vaporization. Background technique [0002] Natural organic fillers generally refer to powdery and fibrous fillers (ie fillers) made from the fruits or waste of plants (crops). After uniformly mixing such fillers with synthetic resins, etc., they can be made into construction and automotive panels, packaging materials, etc. by injection molding, compression molding and other molding methods. This kind of filler comes from renewable resources in nature, and it is the further utilization of crop waste or other plants with low economic efficiency, so it has certain environmental protection and great economic benefits. [0003] There are two main categories of natural organic fillers according to their output, namely natural starch and natural cellulose. Native...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/20C08J3/00C08L23/06C08L3/02C08L1/02
Inventor 盛旭敏李又兵王选伦徐梁黄虹代兵魏高峰
Owner CHONGQING UNIV OF TECH