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Filling masterbatch and preparation method thereof

A technology of filling masterbatches and inorganic powders, which is applied in the field of filling masterbatches and its preparation, can solve the problems of increasing attenuation of mechanical properties of products, and achieve the effects of low cost, large output and high mechanical strength

Inactive Publication Date: 2016-03-16
广东碧盛环球环保材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inorganic powder can not only reduce the cost of plastic products, but also improve or improve certain properties of plastic film products, such as stiffness, opening, etc., but as the content of inorganic powder increases to a certain amount, its impact on product mechanics The attenuation effect of performance is getting bigger and bigger

Method used

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Examples

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preparation example Construction

[0027] The present invention also provides a kind of preparation method of above-mentioned filler masterbatch, specifically comprises the following steps:

[0028] Step 1: Put the inorganic powder, dispersant and coupling agent into the powder coating machine at the same time according to the weight percentage requirements for coating modification. The modification temperature is 90-130 ° C and the time is 5-15 minutes to obtain coating Modified inorganic powder;

[0029] Step 2: Put the coated and modified inorganic powder obtained in step 1 together with the carrier resin, lubricant, and antioxidant into the internal mixer for banbury mixing. The temperature for banbury mixing is 90-150°C. The time is 10-30min, and the mixed material is obtained;

[0030] Step 3: Put the mixed material mixed in Step 2 into a granulator to extrude and granulate, and then screen and package to obtain the filled masterbatch.

Embodiment 1

[0032] This embodiment provides a filling masterbatch, which specifically includes the following components by weight: 70% of inorganic powder, 4% of coupling agent, 3% of dispersant, 20% of carrier resin, 2% of lubricant and 1% antioxidants.

[0033] This embodiment also provides a method for preparing the above-mentioned filler masterbatch, which specifically includes the following process:

[0034] Step 1: Put 70% by weight of 70% inorganic powder, 4% coupling agent, and 3% dispersant into a powder coating machine for coating modification at a temperature of 100°C for 10 minutes;

[0035] Step 2: Put the coated and modified inorganic powder, 20% by weight of carrier resin, 2% of lubricant 2%, and 1% of antioxidant into an internal mixer for internal mixing and mixing at a temperature of 115 ℃, the time is 25min;

[0036] Step 3: Put the mixed material into the granulator, extrude and granulate, screen and pack, and then get the filled masterbatch.

Embodiment 2

[0038] This embodiment provides a filling masterbatch, which specifically includes the following ingredients in weight percentage: 75% of inorganic powder, 5% of coupling agent, 2% of dispersant, 15% of carrier resin, 2.5% of lubricant and 0.5% Antioxidant.

[0039] This embodiment also provides a preparation method for filling master batches, which specifically includes the following steps:

[0040] Step 1: Put 75% by weight of inorganic powder, 5% of coupling agent, and 2% of dispersant into the powder coating machine for coating modification, the temperature is 110 ° C, and the time is 15 minutes;

[0041] Step 2: Put the coated and modified inorganic powder, 15% by weight carrier resin, 2.5% lubricant and 0.5% antioxidant into an internal mixer for internal mixing at a temperature of 115°C. The time is 20 minutes;

[0042] Step 3: Put the mixed material into the granulator, extrude and granulate, screen and pack, and then get the filled masterbatch.

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PUM

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Abstract

The invention provides a filling masterbatch and a preparation method thereof, and belongs to the technical field of filling masterbatch preparation for plastic films. The filling masterbatch is prepared from the following components in percentage by weight: 50-85 percent of inorganic powder, 10-30 percent of carrier resin, 0.5-10 percent of a dispersing agent, 0.5-10 percent of a lubricating agent, 0.5-10 percent of a coupling agent and 0.1-3 percent of antioxidant. The preparation method comprises a coating modification process, a banburying mixing process and an extruding granulation process. The filling masterbatch has large yield, good dispersion and large addition amount, and the prepared film product has the remarkable advantages of attractive appearance, high mechanical strength, low cost and the like.

Description

technical field [0001] The invention belongs to the technical field of filler masterbatch and its preparation, and in particular relates to a filler masterbatch and a preparation method thereof. Background technique [0002] At present, in the field of plastic processing, the output of the plastic packaging industry and the agricultural plastic industry is the largest. Among them, plastic films such as packaging films, mulch films, greenhouse films and daily-use film bags mainly use petroleum-based polyethylene. [0003] As regional security issues and global climate change issues caused by oil are becoming more and more serious, at the same time, oil as a non-renewable resource is becoming less and less. In the long run, the price of petrochemical products will also continue to rise amidst twists and turns, which also makes plastic processing enterprises fall into a very difficult situation. There is an urgent need to find ways to reduce and replace petroleum products whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/06C08L23/08C08K13/06C08K9/10C08K7/08
CPCC08L23/12C08K2201/016C08L23/06C08L23/0815C08L23/0853C08L23/0869C08L2205/025C08L2205/03C08L2205/035C08L91/06C08L23/30C08K13/06C08K9/10C08K7/08
Inventor 苏锦波
Owner 广东碧盛环球环保材料有限公司
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