Method for preparing anti-ultraviolet emulsion

An anti-ultraviolet and ultraviolet technology, applied in textiles and papermaking, fiber treatment, plant fiber, etc., can solve problems such as volatile, insufficient heat resistance, toxicity, etc.

Active Publication Date: 2015-12-23
浙江技立新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of absorbent has certain toxicity, insufficient heat resistance, and is volatile

Method used

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  • Method for preparing anti-ultraviolet emulsion

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preparation example Construction

[0014] The invention discloses a preparation method of an anti-ultraviolet emulsion, comprising the following steps:

[0015] Firstly, the nano-titanium dioxide is surface-treated, and then the surface-treated nano-titanium dioxide, acrylate monomer, fluorine-containing monomer, emulsifier, deionized water, initiator, and polymerized ultraviolet absorber are mixed for emulsion polymerization to obtain Anti-UV lotion.

[0016] Nano-titanium dioxide has small particle size, high surface energy, strong polarity, is in a thermodynamically unstable state, and is easily agglomerated. In aqueous media, nanomaterials with high surface energy and specific surface area can strongly adsorb water and other media, and react to form R-OH group structures, which increase the interaction force between nanomaterials and the surface activity of materials; at the same time, the R-OH It is easy to polymerize or generate new linkers, which leads to the aggregation of nanomaterials and slurries, w...

Embodiment 1

[0039] A preparation method of an anti-ultraviolet emulsion, each component is measured in parts by mass, and the specific steps are:

[0040] Step 1. Surface pretreatment of nano-titanium dioxide:

[0041]Add 12 parts of nano-titanium dioxide and 600mL of absolute ethanol into the reaction flask, ultrasonically oscillate for 20min and then raise the temperature to 70°C, mix 5 parts of silane coupling agent, 3 parts of heptadecanylfluorodecyltrimethoxysilane and 50mL of absolute ethanol into the reaction flask , slowly drop into the above reaction flask under stirring, react for 4 hours, dry and grind at 80°C to obtain modified nano-titanium dioxide particles; wherein, the silane coupling agent is γ-methacryloxypropyltrimethoxysilane ;

[0042] Step 2, the synthesis of anti-ultraviolet emulsion:

[0043] 1) Add 300 parts of deionized water and 7 parts of emulsifier into the beaker, then add 7 parts of surface pretreated nano-titanium dioxide, and ultrasonically disperse for ...

Embodiment 2

[0050] A preparation method of an anti-ultraviolet emulsion, each component is measured in parts by mass, and the specific steps are:

[0051] Step 1. Surface pretreatment of nano-titanium dioxide:

[0052] Add 12 parts of nano-titanium dioxide and 600mL of absolute ethanol into the reaction flask, ultrasonically oscillate for 20min and then raise the temperature to 70°C, mix 5 parts of silane coupling agent, 3 parts of heptadecanylfluorodecyltrimethoxysilane and 50mL of absolute ethanol into the reaction flask , slowly drop into the above reaction flask under stirring, react for 4 hours, dry and grind at 80°C to obtain modified nano-titanium dioxide particles; wherein, the silane coupling agent is vinyl tris (β-methoxyethoxy) silane ; Step 2, the synthesis of UV-resistant emulsion:

[0053] 1) Add 320 parts of deionized water and 9 parts of emulsifier into the beaker, then add 9 parts of surface pretreated nano-titanium dioxide, and ultrasonically disperse for 20 minutes to ...

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Abstract

The invention discloses a method for preparing pure-cotton fabric easy to decontaminate. The method comprises the steps that one liter of solution is prepared from 6-18 g of poly(ether ether ketone), 5-17 g of hydrogen atom donor polymer, 1.3-9.3 wt% of cross-linking agent, a proper amount of acetic acid used for adjusting the pH value of finishing liquor to be 2-5, and the balance deionized water; pure-cotton fabric is coated with the composite finishing liquor; preheating is conducted for 6-15 min in a 120 DEG C oven; baking is conducted for 30-60 s in a 170 DEG C baker; platinum salt finishing liquor printing is conducted in a circular screen printer, and drying is conducted with hot wind; the platinum salt finishing liquor is placed in a photochemical reactor and irradiated by 350 nm ultraviolet light so that platinum ions can be reduced into platinum nano particles; the fabric is cleaned on an open-width washing machine to remove thickeners on the surface of the fabric; tentering, setting and drying are conducted under 180 DEG C with a hot wind setting machine, so that the pure-cotton fabric easy to decontaminate is obtained. The pure-cotton fabric easy to decontaminate prepared with the method feels soft, is quite easy to decontaminate and can be widely applied to the field of protection garments easy to decontaminate.

Description

technical field [0001] The invention belongs to the field of anti-ultraviolet rays, and in particular relates to a preparation method of an anti-ultraviolet emulsion. Background technique [0002] People are more and more aware of the various harms that ultraviolet rays may cause to human health. Various sunscreens and anti-ultraviolet cosmetics developed by people are favored by consumers in general, especially female consumers. However, the protective ability and action time of such products are limited, and the various heavy metals contained in the product components will accumulate in the human body, and long-term use will cause certain damage to human health. Therefore, people have turned their attention to the research of anti-ultraviolet textiles, and anti-ultraviolet textiles are also in line with the consumption concept of modern people, and their market potential at home and abroad is huge, and they have good application prospects. Moreover, with the improvement ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F292/00C08F220/18C08F220/14C08F220/30C08F220/22C08F2/26C08F2/30D06M15/277D06M101/06
Inventor 杨世玉
Owner 浙江技立新材料股份有限公司
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