Special drip tape material

A technology of materials and belts, which is applied in the field of polymer material processing, can solve problems such as poor scratch resistance and weather resistance, bursting of polyethylene drip irrigation belts, and affecting the use and promotion of polyethylene drip irrigation.

Active Publication Date: 2014-03-26
吉林喜丰节水科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Drip irrigation is the most important method of water-saving irrigation. At present, the main raw material for drip irrigation products is polyethylene resin. Due to the defects of polyethylene material itself wit...

Method used

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preparation example Construction

[0016] (1) Preparation of colorant (carbon black masterbatch):

[0017] The coloring agent (carbon black masterbatch) is made of raw materials with the following weight ratio: linear polyethylene resin 60kg, carbon black 40kg, polyethylene low molecular wax 2kg, antioxidant 1.2kg, ultraviolet absorber 0.3kg , linear polyethylene resin, carbon black, polyethylene low-molecular wax, tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester and tris[2.4-di-tert-butyl Phenyl] phosphite, ultraviolet absorber (2-(2'-hydroxy-3',5'-di-pentylphenyl) benzotriazole) was stirred in a high-speed mixer for 15 minutes at a high speed, and the speed of the mixer was set to Set at 1000-1200 r / min, the fully mixed mixture is plasticized and extruded through a twin-screw extruder, cooled and granulated to prepare a colorant carbon black masterbatch for use.

[0018] Among them, the temperature setting of each section of the twin-screw extruder is: zone 1: 160°C, zone 2: ...

Embodiment 1

[0023] Weigh 100kg of low-density polyethylene resin according to weight ratio; 5kg of carbon black masterbatch (colorant) prepared in (1); 5kg of glass microspheres (toughener); PPA masterbatch (processing modifier) ​​0.5kg; calcium stearate (processing aid) 0.1kg; first weigh 5kg of glass beads and 0.05kg of titanate coupling agent (in order to make glass beads on polyethylene The resin has better compatibility. Add a proper amount of titanate coupling agent in this formula, the dosage is 1% of the glass microspheres) and mix in a high-speed mixer for 15 minutes (the speed of the mixer is set at 400- 600 r / min), then add the low-density polyethylene resin, colorant, processing modifier and processing aid into the high-speed mixer and mix for 30 minutes (where the mixer speed is set at 800-1200 r / min), fully The mixed mixture is plasticized and extruded by a twin-screw extruder, cooled and granulated to obtain special materials for drip irrigation belts.

[0024] Among them,...

Embodiment 2

[0026] Weigh 80 kg of low-density polyethylene resin according to weight ratio; 20 kg of linear low-density polyethylene resin; 5 kg of carbon black masterbatch (colorant) prepared in (1); glass microspheres (toughener) 5 ㎏; 0.5 kg of PPA masterbatch (processing modifier) ​​prepared in (2); 0.1 kg of calcium stearate (processing aid). The preparation method of the present invention is as follows: first weigh 5 kg of glass microspheres and 0.05 kg of titanate coupling agent (in order to make the glass microspheres have better compatibility with polyethylene resin, an appropriate amount of titanate is added to this formula Coupling agent, the amount of which is 1% of the amount of glass beads) was mixed in a high-speed mixer for 15 minutes (the mixer speed was set at 400-600 r / min), and then the low-density polyethylene was mixed in a high-speed mixer for 30 minutes. Minutes (the speed of the mixer is set at 400-600 r / min) and then the low-density polyethylene resin, colorant, p...

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Abstract

The invention relates to a special drip tape material. The special drip tape material is made from the following raw materials in parts by weight: 100 parts of polyethylene resin, 5 parts of colorant, 5-25 parts of toughening agent, 0.5-2 parts of processing modifier and 0.01-1 part of processing agent, wherein the raw materials are mixed according to a proportion, plasticized and extruded by a double screw extruder and are cooled and granulated to prepare the special drip tape material. The special drip tape material provided by the invention has the advantages that the toughening agent is added in the polyethylene resin to reduce the density of a filled drip tape product; meanwhile, the toughness of the drip tape product is improved on the condition of not reducing the rigidity of the polyethylene resin and the scratch resistance of the product is improved, since the toughening agent is added, a scorching phenomenon of the drip tape in an application process can be effectively avoided or alleviated; the processing properties of the polyethylene resin are enhanced, and the special drip tape material provided by the invention has the advantages of good scratch resistance, excellent weatherability, easy processing, etc.

Description

technical field [0001] The invention is a special material for a drip irrigation belt, which belongs to the field of polymer material processing. Background technique [0002] Water is the lifeblood of agriculture, as well as the lifeblood of the entire national economy and human life. The status and utilization of water resources have become important indicators for evaluating whether a country or a region can sustain economic development. Therefore, the development of water-saving irrigation is the key to solving the problem of agricultural water use. main method. Drip irrigation is the most important method of water-saving irrigation. At present, the main raw material for drip irrigation products is polyethylene resin. Due to the defects of polyethylene material itself with poor scratch resistance and weather resistance, polyethylene drip irrigation belts are produced during use. The bursting phenomenon has seriously affected the use and promotion of polyethylene drip ir...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/08C08L77/00C08K13/04C08K3/04C08K5/134C08K5/526C08K5/3475C08K7/20C08K5/098A01G25/02
CPCC08J3/226C08J2323/06C08J2423/06C08J2423/08C08J2427/16C08L23/06C08L2205/025C08L2205/035C08L2207/066C08L23/0815C08L27/16C08K13/06C08K9/04C08K7/20
Inventor 孙效峰李静华赵松滨王雁包臣明
Owner 吉林喜丰节水科技股份有限公司
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