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Liquid anti-caking agent for compound fertilizer

An anti-caking agent and compound fertilizer technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve problems such as crop germination, root damage, withering, serious death, water quality and environmental pollution, etc., and achieve anti-caking effect Improve and overcome oil pollution and solve the effect of easy caking

Inactive Publication Date: 2013-02-27
北京科普基业精细化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This kind of anti-caking agent compounded by engine oil, wax substances and surfactants is absorbed by the fertilizer particles after the engine oil overflows. The engine oil has serious harm to the germination and root system of crops. It will die, and there will be traces of oil on the water surface after fertilization in paddy fields. Not only the rice seedlings will be damaged, but also the water quality and the environment will be polluted. Long-term use will pollute the environment especially seriously.

Method used

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  • Liquid anti-caking agent for compound fertilizer
  • Liquid anti-caking agent for compound fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Add about 30000 sodium polyacrylate aqueous solution 1mL of solid content 30wt% average molecular weight Mw (weight average molecular weight) in 60mL water, 30wt% molecular weight Mw about 30000 polysodium methacrylate 1mL, polyvinylpyrrolidone 0.4g, dodecyl naphthalene Sodium sulfonate 8g, sodium α-alkenyl sulfonate 5g, polyoxyethylene sorbitan fatty acid ester (T-40) 10g, octylphenol polyoxyethylene ether 4.5g, fatty alcohol polyoxyethylene ether (AEO- 7) 2.5 g.

[0032] After dissolving, dilute to 100mL with water and stir evenly to make a liquid anti-caking agent for compound fertilizer. Weigh 0.15g of this anti-caking agent and apply it evenly on 100g, N-P 2 o 5 -K 2 O on the compound fertilizer with a mass ratio of 30-5-5, stir and mix evenly, and let it dry, then put it in a moisture absorption device to absorb moisture for 10 hours, put the compound fertilizer into a sealed bag, and heat it in an oven at 70°C After 72 hours, take it out and let it cool at ro...

Embodiment 2

[0038] Add 29 g of polyethylene glycol with a molecular weight of 12,000 to 15,000, 0.3 g of hydroxyethyl cellulose substituted with hydroxyethyl (MS 1.8), and 0.2 g of methyl cellulose (degree of substitution 2.0, molecular weight about 90,000) into 67 mL of water. Sorbitan oleate polyoxyethylene ether 1g, ethylene glycol distearate 1g, cetyltrimethylammonium chloride (1631 chlorine type) 1.8g, alkyl glucoside (50%) 0.5g, Octadecyltrimethylammonium chloride (1831) 2.4g.

[0039] After dissolving, dilute to 100mL with water and stir evenly to make a liquid anti-caking agent for compound fertilizer. Weigh 0.15g of this anti-caking agent and apply it evenly on 100g, N-P 2 o 5 -K 2 O on the compound fertilizer with a mass ratio of 28-10-10, stir and mix evenly, and make it dry, then put it in a moisture absorption device to absorb moisture for 10 hours, then put the compound fertilizer into a sealed bag, and heat it in an oven at 70°C After 72 hours, take it out and let it co...

Embodiment 3

[0045]Add 10g of urea-formaldehyde resin with an average molecular weight of about 10000 to 55mL of water, 4.2g of polyoxyethylene-polyoxypropylene block copolymer, 1.3g of hydroxyethyl cellulose (MS1.8), 2.1g of C12-C18 fatty alcohol sodium sulfate, C8~C18 fatty alcohol sulfate triethanolamine salt 3.2g, polyoxyethylene (15) lauryl ether 4.2g, sorbitan fatty acid ester 5.1g, sodium xylene sulfonate 4.1g, sodium oleate 4.0g, octanol 0.2g, 0.4g of hydroxyl silicone oil, 1.0g of salicylic acid, 0.5g of phenol.

[0046] After dissolving, dilute to 100mL with water and stir evenly to make a liquid anti-caking agent for compound fertilizer. Weigh 0.15g of this anti-caking agent and apply it evenly on 100g, N-P 2 o 5 -K 2 O on the compound fertilizer with a mass ratio of 28-12-10, stir and mix evenly, and make it dry, then put it in a moisture absorption device to absorb moisture for 10 hours, then put the compound fertilizer into a sealed bag, and heat it in an oven at 70°C Aft...

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Abstract

The invention relates to a liquid anti-caking agent for a compound fertilizer, which consists of 1 to 50 weight percent of aqueous polymer, 1 to 50 weight percent of surfactant, and the balance of water. The surfactant is one or combination of any of an anionic surfactant, a non-ionic surfactant, a cationic surfactant and an amphoteric surfactant. Optionally, one ore more additives which are selected from a defoaming agent, a preservative, a dye and a pigment can also be added into the liquid anti-caking agent for the compound fertilizer; and the consumption of the defoaming agent is 0 to 5 weight percent, the consumption of the preservative is 0 to 5 weight percent and the total consumption of the dye and the pigment is 0 to 50 weight percent. The liquid anti-caking agent for the compoundfertilizer can effectively solve the caking problem of a compound fertilizer product, particularly the caking problem of a compound fertilizer with high nutrient content such as a high nitrogen compound fertilizer which is difficult to solve by present enterprises producing compound fertilizers, and ensures that the compound fertilizer product has the characteristics of green fertilizers.

Description

technical field [0001] The invention relates to chemical fertilizer additives, in particular to a liquid anti-caking agent for compound fertilizers. Background technique [0002] Compound fertilizer products all have a certain degree of hygroscopicity, but there are differences in severity between different varieties. Due to changes in external conditions such as humidity, temperature, and extrusion during production, packaging, and storage, some loose powdery, granular, and spherical solids will lose their fluidity and form hard and difficult-to-break lumps. The agglomeration of the compound fertilizer destroys its free flow state, which not only brings great inconvenience to the application, but also affects the fertilizer efficiency of the product, and even fails in severe cases, increasing the application cost and application amount, causing economic losses for the user, and also It will have a negative impact on compound fertilizer manufacturers to expand sales channel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00
Inventor 赵天波李凤艳李建勇景立秋许元源赵海江
Owner 北京科普基业精细化工科技有限公司
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