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Preparation method for special-purpose material product for producing drip-irrigation water-conveying belt

A technology of special material and water delivery belt, which is applied in the field of synthetic resin, can solve the problems of drip irrigation water delivery belt breaking and affecting irrigation effect, etc.

Inactive Publication Date: 2015-03-25
TIANJIN GREEN VISION ENERGY SAVING ENG EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The domestic agricultural water-saving irrigation promotion area is rapidly expanding, and the demand for water-saving irrigation equipment is also increasing. However, the drip irrigation water belts used in daily use are often broken due to heat absorption and aging caused by sunlight, which affects the irrigation effect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Put 1000kg LL0209 powder into the mixer with electric stirring and water ring cooling (the melt flow rate value is 1.2g / 10min), and then add 1500g composite antioxidant (by 500g antioxidant 1010 and 1000g antioxidant 168 composite composition), 1000g calcium stearate, 2000g composite light stabilizer, control the temperature of the material below 60 degrees Celsius, and mix for 20 minutes; discharge the material into the silo of the extruder (the extruder is 6-stage temperature control), The temperature of each section of the extruder is: 180°C, 200°C, 220°C, 230°C, 230°C, 215°C; extrusion granulation, homogenization for 8 hours, the product. The melt flow rate of the product is 0.9g / 10min, and the weather resistance is 1000 hours.

Embodiment 2

[0013] Put 1000kg of LL0209 powder into a mixer with electric stirring and water ring cooling (the melt flow rate value is 1.2g / 10min), and then add 2000g of composite antioxidants (by antioxidant 1010 and antioxidant 168 according to Ratio 1:2), 1000g calcium stearate, 1500g composite light stabilizer, control the temperature of the material below 60 degrees Celsius, mix for 20 minutes; put the material into the silo of the extruder (the extruder is a 6-stage control temperature), the temperature of each section of the extruder is: 180°C, 200°C, 220°C, 230°C, 230°C, 215°C; extrusion granulation, homogenization for 8 hours, the product. The melt flow rate of the product is 0.9g / 10min, and the weather resistance is 1000 hours.

Embodiment 3

[0015] Put 1000kg of LL0209 powder into a mixer with electric stirring and water ring cooling (the melt flow rate value is 1.2g / 10min), and add 1000g of composite antioxidant in turn (by antioxidant 1010 and antioxidant 168 according to Ratio 1: 2 ratio), 800g calcium stearate, 2500g composite light stabilizer, control the temperature of the material below 60 degrees Celsius, mix for 20 minutes; discharge the material into the silo of the extruder (the extruder is a 6-stage control temperature), the temperature of each section of the extruder is: 180°C, 200°C, 220°C, 230°C, 230°C, 215°C; extrusion granulation, homogenization for 8 hours, the product. The melt flow rate of the product is 1.1g / 10min, and the weather resistance is 1000 hours.

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Abstract

A disclosed preparation method for a special-purpose material product for producing a drip-irrigation water-conveying belt is characterized in that the method comprises employing LL0209 as a basic raw material, adding an anti-oxidant, a neutralizing agent and a light stabilizer according to a certain ratio, uniformly mixing, performing extrusion granulation by a double-screw extrusion granulator, homogenizing and packaging to obtain the needed product. The special-purpose material possesses good processability, excellent weatherability and stable performances.

Description

technical field [0001] The invention relates to a preparation method for a special material product used in the production of a drip irrigation belt, and belongs to the field of synthetic resins. Background technique [0002] The domestic agricultural water-saving irrigation promotion area is rapidly expanding, and the demand for water-saving irrigation equipment is also increasing. However, the drip irrigation belts used in daily use are often broken due to heat absorption and aging caused by sunlight, which affects the irrigation effect. Contents of the invention [0003] In order to solve the above technical problems, the present invention discloses a method for preparing special materials for the production of drip irrigation belts, which improves the weather resistance of the products without changing the production process of the plastic processing factory, and has better economic benefits and social benefits. . [0004] The method of the present invention is as fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08K5/098B29B9/06B29C47/92B29C48/92
CPCC08K5/098B29B9/06B29C48/92B29C2948/92704C08K5/1345C08K5/526C08L23/0815
Inventor 薛雷
Owner TIANJIN GREEN VISION ENERGY SAVING ENG EQUIP
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