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Antibacterial, dust-resistant, adsorption-free, spray-free PP material and preparation method thereof

A spray-free and dust-free technology, applied in the field of spray-free materials, can solve the problems of glass-based pearlescent pigments with weak metallic texture, no dust absorption resistance, and inability to completely replace spray-free, so as to reduce the risk of bacterial growth and improve the Service life, the effect of improving fluidity

Active Publication Date: 2021-03-12
上海日之升科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the patent has prepared a spray-free antibacterial PP material, the product does not have excellent dust resistance and adsorption properties, and the prepared glass-based pearlescent pigment has a weak metallic texture, which cannot completely replace the spray-free coating.
Patent CN 103910997 A discloses "a permanent antistatic and antibacterial polyamide 6 / polypropylene composite material", which also improves the water absorption of PA6 and PP by preparing a permanent antistatic and antibacterial polyamide 6 / polypropylene alloy. Wear resistance and heat resistance, but the spray-free effect after adding metal effect powder is unknown

Method used

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  • Antibacterial, dust-resistant, adsorption-free, spray-free PP material and preparation method thereof
  • Antibacterial, dust-resistant, adsorption-free, spray-free PP material and preparation method thereof
  • Antibacterial, dust-resistant, adsorption-free, spray-free PP material and preparation method thereof

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Experimental program
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Embodiment 1

[0029] The PP in the antibacterial and dust-resistant adsorption-free spray-coating PP material of the present embodiment is a homopolymer PP, and the melt index is 12g / 10min; the hygroscopic ionic polymer is AS 500; the antibacterial agent is nano-zinc dioxide with a particle size of 100-200nm; the compatibilizer is PP-g-MAH; the metal powder pigment is aluminum silver powder with a particle size of 10 μm; the dispersant is polyethylene wax; the sizing agent is White oil; the antioxidant is a compound of hindered phenolic antioxidant and phosphite antioxidant according to the mass ratio of 1:1.

[0030] When preparing, weigh each raw material according to the weight percentage in Table 1, add PP, compatibilizer, hygroscopic ionic polymer and wetting agent into the high mixer, and mix at a speed of 300-400 rpm for 3-5min Finally, add metal powder pigments, antibacterial agents, dispersants and antioxidants, and then mix at a speed of 120-200 rpm for 2-3 minutes to form a prem...

Embodiment 2

[0032] The types of components involved in the antibacterial, dust-resistant, adsorption-free and spray-free PP material of this example are the same as in Example 1, and the preparation method of Example 1 is repeated according to the content of each component specified in Table 1, and the prepared antibacterial, dust-resistant, adsorption-free and spray-free PP The material composition is injection molded into a standard test bar according to the standard size, and the properties of the alloy are tested according to the standard, and the properties are shown in Table 2.

Embodiment 3

[0034] The types of components involved in the antibacterial, dust-resistant, adsorption-free and spray-free PP material of this example are the same as in Example 1, and the preparation method of Example 1 is repeated according to the content of each component specified in Table 1, and the prepared antibacterial, dust-resistant, adsorption-free and spray-free PP The material composition is injection molded into a standard test bar according to the standard size, and the properties of the alloy are tested according to the standard, and the properties are shown in Table 2.

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Abstract

The invention discloses an antibacterial, dust-resistant, adsorption-free PP material and a preparation method thereof. The antibacterial, dust-resistant, adsorption-free, spray-free PP material consists of the following parts by weight: 100 parts of PP, 10-20 parts of hygroscopic ionic polymer, 3-6 parts of compatibilizer, 2-5 parts of antibacterial agent, 0.5 parts of metal powder pigment ‑3 parts, 0.5‑1 part of dispersant, 0.5‑1 part of antioxidant, 0.2‑0.5 part of wetting agent. The material prepared by the invention has excellent spray-free metal effect, good dust absorption and antibacterial properties, can effectively alleviate the flow mark problem of traditional spray-free metal effect materials, and is suitable for easy-to-breed bacteria and high dust adsorption It has a wide range of uses in the fields of automobiles, home appliances, and household goods.

Description

technical field [0001] The invention relates to the technical field of spray-free materials, in particular to an antibacterial, dust-resistant, adsorption-free PP material and a preparation method thereof. Background technique [0002] Polypropylene materials are widely used in the fields of automobiles and home appliances due to their light weight, good chemical resistance, excellent heat resistance and processability. As the country's environmental protection requirements become more and more stringent, ABS, which can be used for electroplating or painting before, has gradually been replaced by spray-free PP materials due to its shortcomings such as high environmental pollution and easy waste rate. Spray-free PP materials are often used to prepare home appliance exterior parts due to their good appearance and high gloss. However, when they are used in environments with high humidity or dusty air, they are prone to bacteria, mildew, and dust on the surface. Affect the appl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08L101/00C08K13/02C08K3/22
CPCC08K2003/2296C08K2201/003C08K2201/011C08L23/12C08L2201/04C08L101/00C08K13/02C08K3/22
Inventor 陈光伟徐小锋常晓文张凯弦
Owner 上海日之升科技有限公司
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