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Preparation method of enhanced light stabilizer for straw bundling net

A light stabilizer and enhanced technology, which is applied in the field of preparation of enhanced light stabilizers for straw bale nets, can solve the problems of lack of antioxidant additives, reduced service life, easy to be oxidized and decomposed, etc., and achieve thermodynamic stability. Good, improve the light aging resistance, the effect of simple preparation method

Active Publication Date: 2021-10-29
Ruian Chaoyang Material Technology Co Ltd
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the poor light stability of polyethylene plastics in the prior art, the existing light stabilizers or poor compatibility with plastics, or lack of anti-oxidation additives, easy to be oxidized and decomposed, reducing the service life, etc. problems, and proposed a method for the preparation of enhanced light stabilizer for bale nets

Method used

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  • Preparation method of enhanced light stabilizer for straw bundling net

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] S1. Add nano-zinc oxide into the hydrochloric acid solution with a temperature of 57°C and a concentration of 0.8mol / L, stir and mix evenly, disperse ultrasonically for 10 minutes, then let it stand for heat preservation for 5 hours, wash and dry to obtain acid-treated zinc oxide, According to the mass ratio of 18:1:3, the acid-treated zinc oxide, cerium carbonate, and zirconium dioxide are jointly added to the ball mill, and the ball mill is fully mixed to obtain a mixed powder;

[0024] S2. Add the mixed powder in step S1 into a 17% aqueous solution of polyvinyl alcohol, stir and disperse, and add diethylenetriaminepentaacetic acid and vinyltris(2-methoxyethoxy)silane, Stir and mix for 20 minutes, and dry at a temperature of 95°C until constant weight to obtain a modified product. The mass ratio of silane is 22:48:4:1;

[0025] S3. Add p-tert-octylphenol to absolute ethanol at a temperature of 3° C., heat and stir to dissolve, add carbon disulfide and 4-n-butylamino-...

Embodiment 2

[0028] A kind of preparation method of enhanced light stabilizer for bale net that the present invention proposes, comprises the following steps:

[0029] S1. Add nano-zinc oxide into the hydrochloric acid solution with a temperature of 60°C and a concentration of 1.4mol / L. After stirring and mixing evenly, ultrasonically disperse for 15 minutes, then stand for heat preservation for 6.5 hours, wash and dry to obtain acid-treated zinc oxide. , by mass ratio 19:1:4, acid-treated zinc oxide, cerium carbonate, and zirconium dioxide are jointly added in a ball mill, and fully ball milled and mixed to obtain a mixed powder;

[0030] S2. Add the mixed powder in step S1 into a 21% aqueous solution of polyvinyl alcohol, stir and disperse, and add diethylenetriaminepentaacetic acid and vinyltris(2-methoxyethoxy)silane, Stir and mix for 30 minutes, and dry at 98°C until constant weight to obtain a modified product. The mass ratio of silane is 24:56:5.5:1;

[0031] S3. Add p-tert-octylp...

Embodiment 3

[0034] A kind of preparation method of enhanced light stabilizer for bale net that the present invention proposes, comprises the following steps:

[0035] S1. Add nano-zinc oxide into the hydrochloric acid solution with a temperature of 64°C and a concentration of 2mol / L. After stirring and mixing evenly, ultrasonically disperse for 20 minutes, then stand for heat preservation for 8 hours, wash and dry to obtain acid-treated zinc oxide, press The mass ratio is 20:1:5, the acid-treated zinc oxide, cerium carbonate, and zirconium dioxide are added to the ball mill, and the ball mill is fully mixed to obtain a mixed powder;

[0036]S2. Add the mixed powder in step S1 into a 25% polyvinyl alcohol aqueous solution, stir and disperse, and add diethylenetriaminepentaacetic acid and vinyltris(2-methoxyethoxy)silane, Stir and mix for 40 minutes, and dry at 102°C until constant weight to obtain a modified product, in which, mixed powder, polyvinyl alcohol aqueous solution, diethylenetri...

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Abstract

The invention belongs to the technical field of plastic additive preparation, particularly relates to a preparation method of an enhanced light stabilizer for a straw bundling net, and solves the problems that in the prior art, polyethylene plastic is poor in light stability, an existing light stabilizer is poor in compatibility with plastic or lacks an antioxidant additive and is easy to oxidize and decompose, the service life is shortened and the like. The preparation method of the enhanced light stabilizer for the straw bundling net comprises the following steps: after acid treatment of zinc oxide, mixing zinc oxide with cerous carbonate and zirconium dioxide; adding a polyvinyl alcohol aqueous solution into the mixed powder for dispersing, adding diethylenetriaminepentaacetic acid and vinyl tri (2-methoxyethoxy) silane, and mixing to obtain a modifier; dissolving p-tert-octylphenol in absolute ethyl alcohol, and adding carbon disulfide and 4-n-butylamino-1-butanol to react to obtain a reactant; and adding a mixed solvent to dissolve the reactant , and adding the modifier for mixing to obtain the light stabilizer. The light stabilizer disclosed by the invention can be used for remarkably improving the properties such as light aging resistance, oxidation resistance and heat resistance of the straw bundling net.

Description

technical field [0001] The invention relates to the technical field of polycarbonate materials, in particular to a preparation method of an enhanced light stabilizer for bale nets. Background technique [0002] The fabric used to bind straw or pasture is called bale net. The material used for the production of bale net is mainly plastic materials with wear resistance, corrosion resistance and strong toughness, mostly polyethylene plastic. Polyethylene (PE for short) is a thermoplastic resin obtained by polymerizing ethylene. In industry, it also includes copolymers of ethylene and a small amount of α-olefins. Polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance (the lowest operating temperature can reach -100~-70°C, good chemical stability, and can resist most acid and alkali corrosion (not resistant to oxidizing properties) Acid). It is insoluble in general solvents at room temperature, has low water absorption and excellent electr...

Claims

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Application Information

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IPC IPC(8): C08K9/02C08K3/22C08K3/26C08K9/06C08K9/04C08K5/36C08L23/06
CPCC08K9/02C08K3/22C08K3/26C08K9/06C08K9/04C08K5/36C08K2003/2296C08K2003/2244C08L2201/08C08L23/06
Inventor 岺帆
Owner Ruian Chaoyang Material Technology Co Ltd
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