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Production method for agricultural greenhouse film master batch reinforced by calcium salt crystal whiskers

A production method and technology for agricultural sheds, applied in the field of calcium salt whisker-reinforced agricultural shed film masterbatch, can solve the problems of decreased strength and toughness, failure of shed film reinforcement, etc., to improve quality, strength and performance , the effect of good processing performance

Inactive Publication Date: 2013-01-02
昆明春叶塑料制成品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the difference in composition, structure and performance of metallocene polyethylene and calcium salt whiskers, they are directly compounded for agricultural shed film. Although the rigidity of the shed film can be improved, the strength and toughness are significantly reduced and the reinforcement of the shed film cannot be achieved. Purpose

Method used

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  • Production method for agricultural greenhouse film master batch reinforced by calcium salt crystal whiskers
  • Production method for agricultural greenhouse film master batch reinforced by calcium salt crystal whiskers
  • Production method for agricultural greenhouse film master batch reinforced by calcium salt crystal whiskers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for producing calcium salt whisker-reinforced agricultural shed film masterbatch, the production raw materials are composed of the following mass components: 65 parts of calcium carbonate whiskers, 35 parts of metallocene polyethylene, 10 parts of liquid ethylene-propylene rubber, Malay 3 parts of anhydride-modified liquid ethylene propylene rubber, 3.5 parts of compound processing aid: prepared from 2 parts of insect wax, 0.5 parts of stearic acid and 0.5 parts of bis-stearic acid amide. The calcium carbonate whiskers are produced by Nanjing Zhenjin Calcium Carbonate Co., Ltd., the metallocene polyethylene is MLLPPE model ECD341 of EXXSON Company, and the liquid ethylene-propylene rubber is CP-80, which is produced by Uniroxa Company of the United States. Maleic anhydride modified liquid ethylene propylene rubber was developed by Nanjing University of Aeronautics and Astronautics.

[0025] Calcium salt whisker reinforced greenhouse film masterbatch is prepared...

Embodiment 2

[0039] Calcium salt calcium sulfate whisker reinforced and toughened agricultural grid film, the masterbatch formula is shown in Example 2 of Table 2, the production process conditions of the masterbatch are the same as in Example 1, and the actual performance of the masterbatch for strengthening and toughening is shown in Table 3.

Embodiment 3

[0041] The formulation of calcium salt calcium silicate whisker reinforced agricultural gate film masterbatch is shown in Example 3 of Table 2, the production process conditions of the masterbatch are the same as in Example 1, and the actual application performance of the masterbatch for strengthening and toughening is shown in Table 3.

[0042] The calcium salt whisker reinforcement masterbatch formula of table 2 embodiment 1-3

[0043]

[0044] Table 3 The actual application effect of the calcium salt whisker reinforced and toughened agricultural shed film masterbatch, the thickness of the shed film is 0.08mm, and the addition amount of the masterbatch is 5%.

[0045] table 3

[0046]

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Abstract

The invention relates to a production method for an agricultural greenhouse film master batch reinforced by calcium salt crystal whiskers. The master batch is prepared from the following raw materials in parts by weight: 40-75 parts of the calcium salt crystal whiskers, 25-60 parts of metallocene polyethylene, 5-15 parts of a compatibilizer and 1-3 parts of composite processing auxiliary agent. The production method comprises the following steps: mixing and stirring the calcium salt crystal whiskers, the compatibilizer and the composite processing auxiliary agent by virtue of a high-speed mixer; then adding metallocene polyethylene, and further mixing to obtain a mixture; and finally conveying the mixture to a double screw extruder, plasticizing, mixing and granulating to obtain the agricultural greenhouse film master batch reinforced by the calcium salt crystal whiskers. The agricultural greenhouse film master batch produced by the production method provided by the invention has excellent mechanical properties, can be used for the production of agricultural polyethylene films with good reinforcing and anti-aging effects, is also applicable to the production application of greenhouse films under the condition of plateau area weather and can be used for prolonging the service life of a product.

Description

Technical field: [0001] The invention relates to a production method of calcium salt whisker reinforced agricultural greenhouse film masterbatch. Background technique: [0002] my country is the country that uses the largest amount of agricultural plastic shed film in the world. The application effect of agricultural plastic shed film in agricultural production has been recognized, which has promoted the development of rural economy. On the other hand, the environment caused by the use of agricultural shed film Pollution has also attracted more and more attention. Generally, the agricultural shed film will be discarded after 1-2 seasons or 18-24 months of use, and the intensity of deterioration will decrease, which will cause corresponding environmental pollution. The main reason is that its disposal is not easy to degrade under natural conditions. It is the main raw material for the production of shed film. Due to its small modulus, it is sensitive to impact, and its lack o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L23/08C08K13/04C08K7/02C08K7/08C08K7/10
Inventor 林辉忠岳虹刘玉强
Owner 昆明春叶塑料制成品有限公司
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