Yellowing-resistant antibacterial polyolefin material and water tank for water culture

A polyolefin, anti-yellowing technology, applied in the field of materials, can solve the problems of affecting antibacterial performance and prone to agglomeration, and achieve the effects of excellent antibacterial effect, easy dispersion and uniformity, enhanced antibacterial activity and long-lasting effectiveness

Pending Publication Date: 2021-03-19
合肥创农生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing hydroponic water tank materials are usually obtained by directly adding antibacterial and anti-algae additives to the base material. Because the antibacterial and anti-algae additives are basically derived from inorganic antibacterial agents, and the most widely used inorganic antibacterial agents are nano-silver antibacterial agents. , although it shows a strong antibacterial effect, it is very easy to agglomerate when it is directly compounded with the polymer matrix resin, which greatly affects its antibacterial performance. Discoloration of the polymer matrix in which it is placed

Method used

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  • Yellowing-resistant antibacterial polyolefin material and water tank for water culture

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Effect test

Embodiment 1

[0019] An anti-yellowing and antibacterial polyolefin material, comprising the following components in parts by weight: 90 parts of polypropylene (ethylene / propylene block copolymer, melt flow rate of 26 g / 10 min at 230 ° C, 2.16 kg load), 10 parts of ethylene-octene copolymer POE (ENGAGE 8207), 0.5 part of antibacterial functional agent, 0.5 part of antioxidant (Irganox1010);

[0020] Wherein, the antibacterial functional agent is prepared by the following method: 1g flake graphite is added to a mixed solution composed of 120mL concentrated sulfuric acid and 15mL concentrated phosphoric acid to disperse evenly, and then slowly add 6g KMnO 4 , after the completion, stir the reaction in a water bath at 50°C for 2h, and slowly add H 2 o 2 (30wt%) solution, stir until the reaction solution turns golden yellow, then centrifuge and wash with hydrochloric acid, and repeatedly rinse with deionized water until the solution is neutral, filter, and dry to obtain graphene oxide; 20g sil...

Embodiment 2

[0023] An anti-yellowing and antibacterial polyolefin material, comprising the following components in parts by weight: 90 parts of polypropylene (ethylene / propylene block copolymer, melt flow rate of 26 g / 10 min at 230 ° C, 2.16 kg load), 10 parts of ethylene-octene copolymer POE (ENGAGE 8207), 0.1 part of antibacterial functional agent, 0.1 part of antioxidant (Irganox1010);

[0024] Wherein, the antibacterial functional agent is prepared by the following method: 1g flake graphite is added to a mixed solution composed of 120mL concentrated sulfuric acid and 15mL concentrated phosphoric acid to disperse evenly, and then slowly add 6g KMnO 4 , after the completion, stir the reaction in a water bath at 50°C for 2h, and slowly add H 2 o 2 (30wt%) solution, stir until the reaction solution turns golden yellow, then centrifuge and wash with hydrochloric acid, and repeatedly rinse with deionized water until the solution is neutral, filter, and dry to obtain graphene oxide; 30g sil...

Embodiment 3

[0027] An anti-yellowing and antibacterial polyolefin material, comprising the following components in parts by weight: 90 parts of polypropylene (ethylene / propylene block copolymer, melt flow rate of 26 g / 10 min at 230 ° C, 2.16 kg load), 10 parts of ethylene-octene copolymer POE (ENGAGE 8207), 1 part of antibacterial functional agent, 1 part of antioxidant (Irganox 3114);

[0028] Wherein, the antibacterial functional agent is prepared by the following method: 1g flake graphite is added to a mixed solution composed of 120mL concentrated sulfuric acid and 15mL concentrated phosphoric acid to disperse evenly, and then slowly add 6g KMnO 4 , after the completion, stir the reaction in a water bath at 50°C for 2h, and slowly add H 2 o 2(30wt%) solution, stir until the reaction solution turns golden yellow, then centrifuge and wash with hydrochloric acid, and repeatedly rinse with deionized water until the solution is neutral, filter, and dry to obtain graphene oxide; 15g of sila...

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Abstract

The invention provides a yellowing-resistant antibacterial polyolefin material and a water tank for water culture. The polyolefin material comprises the following components in parts by weight: 100 parts of polyolefin resin, 0.1-1 part of an antibacterial functional agent and 0.1-1 part of an antioxidant, wherein the antibacterial functional agent is a modified graphene silver-loaded composite antibacterial agent. The yellowing-resistant antibacterial polyolefin material provided by the invention has the advantages of good dispersity, excellent comprehensive antibacterial performance and no yellowing of a high polymer product.

Description

technical field [0001] The invention relates to the technical field of materials, in particular to a yellowing-resistant and antibacterial polyolefin material and a water tank for hydroponics. Background technique [0002] With the improvement of people's material and cultural living standards, hydroponic farming is becoming more and more popular, and the development of science and technology has also made soilless cultivation technology widely used. However, fungi or algae in water have long puzzled practitioners in the field of hydroponic culture. For example, as time goes by, bacteria, algae and other microorganisms are usually produced on the surface of the hydroponic tank, which not only produces bad smell, damages the appearance, but also causes the death of animals and the withering of plants. [0003] At present, in order to solve the above problems, the hydroponic water tank with anti-bacteria or anti-algae function is developed to prevent the growth and reproducti...

Claims

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Application Information

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IPC IPC(8): C08L53/00C08L23/08C08K9/12C08K3/08C08K9/06C08K3/04A01G31/02
CPCC08L53/00A01G31/02C08K2003/0806C08K2201/011C08L23/0815C08K9/12C08K3/08C08K9/06C08K3/042Y02P60/21
Inventor 郑凌然徐沛佩王艳徐明铭
Owner 合肥创农生物科技有限公司
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