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A kind of preparation method and application of multifunctional coating finishing agent

A multi-functional coating and finishing agent technology, applied in coating, fiber treatment, anti-corrosion coating, etc., can solve the problems of carcinogenicity, poor product stability, high cost, etc., and achieve good light transmittance, impact resistance, and excellent UV resistance Excellent performance, easy to use and convenient effect

Active Publication Date: 2020-08-04
上海庙航包装科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its disadvantages are high cost, poor weather resistance, poor product stability, and easy hydrolysis when encountering water, heat, and alkali
The cost of PVC coating is relatively low, and it has a certain resistance to acid and alkali, but its air permeability is poor, the hand feels slightly hard, and the vinyl chloride (VCM) used for polymerizing PVC is toxic and carcinogenic. Generally, the VCM content is below 1PPM. Standards compliant

Method used

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  • A kind of preparation method and application of multifunctional coating finishing agent
  • A kind of preparation method and application of multifunctional coating finishing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Add 50g of nano-titanium dioxide particles into 1L of water, add 1g of dispersant 5040, 2g of wetting agent PE-100, ultrasonically disperse for 2.5h, and then stir at high speed at room temperature for 6h to prepare a nano-titanium dioxide dispersion;

[0045] Dissolve 40g PC resin in 300mL chloroform, add 8gClSO 2 OH, heat up to 45°C, stir for 30min and add 0.2g NaBH 4 , continue to stir for 2h;

[0046] Dissolve 60g of PMMA resin in 300mL of chloroform, add 6g of vinylpyridine and 16g of ethylene glycol, heat up to 65°C, stir for 1h, add 0.3g of potassium persulfate, and continue stirring for 2.5h;

[0047] After the stirring is completed, the modified PC resin and the modified PMMA resin are lowered to room temperature and mixed in a three-necked bottle;

[0048] Add the nano-titanium dioxide dispersion into the three-necked bottle, and stir for 20 minutes;

[0049] Add 5g of sodium dodecylsulfonate and 5g of PEG as dispersants, heat slowly under stirring, and set...

Embodiment 2

[0056] Add 50g of nano-titanium dioxide particles into 1L of water, add 2g of dispersant 5040, 3g of wetting agent PE-100, ultrasonically disperse for 2.5h, and then stir at high speed at room temperature for 6h to prepare nano-titanium dioxide dispersion;

[0057] Dissolve 60g PC resin in 300mL chloroform, add 12gClSO 2 OH, heat up to 45°C, stir for 30min and add 0.3g NaBH 4 , continue to stir for 2h;

[0058] Dissolve 40g of PMMA resin in 300mL of chloroform, add 4g of vinylpyridine and 12g of ethylene glycol, heat up to 65°C, stir for 1h, add 0.1g of potassium persulfate, and continue stirring for 2.5h;

[0059] After the stirring is completed, the modified PC resin and the modified PMMA resin are lowered to room temperature and mixed in a three-necked bottle;

[0060] Add the nano-titanium dioxide dispersion into the three-necked bottle, and stir for 20 minutes;

[0061] Add 10 g of dispersant sodium dodecyl sulfonate. Heat slowly under stirring, and set the oil bath a...

Embodiment 3

[0067] The PC-PMMA coating finishing agent of the embodiment of the present invention 1 is used as glass surface coating, compares with single-component PC coating, PMMA coating and general PVC coating, detects several coatings after processing The light transmittance and ultraviolet light transmittance of the glass are shown in Table 1.

[0068] Table 1

[0069] Transmittance% UV transmittance% PC 82 18 PMMA 85 21 pvc 78 23 PC-PMMA of the present invention 95 6

[0070] The light transmittance is measured by the national standard GB / T 5433-2008 daily glass light transmittance measurement method.

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Abstract

The invention discloses a method for preparing multifunctional coating finishing agents and application thereof. The method is characterized by comprising steps of preparing nanometer titanium dioxidedispersion liquid; preparing modified PC (polycarbonate) resin; preparing modified PMMA (polymethyl methacrylate) resin; preparing the multifunctional coating finishing agents, to be more specific, mixing the modified PC resin and the modified PMMA resin with each other to obtain first fixtures, adding the nanometer titanium dioxide dispersion liquid into the first mixtures to obtain second mixtures, adding 8-12 g of dispersing agents into the second mixtures to obtain third mixtures, heating the third mixtures, adding 0.8-1.2 g of accelerators and 2-4 g of curing agents into the third mixtures, carrying out stirring reaction, then cooling first reaction products, adding 5-10 g of silane coupling agents into the first reaction products to obtain fourth mixtures, adding 4-6 g of adhesive into the fourth mixtures, carrying out reaction, then cooling second reaction products, further adding 4-6 g of dispersing agents into the second reaction products, and carrying out reaction to obtainthe multifunctional coating finishing agents. The method and the application have the advantages that the multifunctional coating finishing agents are excellent in light transmittance performance andimpact resistance, accordingly, particularly obvious application effects can be realized by the multifunctional coating finishing agents for base materials such as glass and plastic, hard films can beformed after the multifunctional coating finishing agents are applied to glass coatings, the high light transmittance performance can be reserved, and the surface strength of the base materials further can be improved.

Description

technical field [0001] The invention belongs to the technical field of finishing agents, and in particular relates to a preparation method and application of a multifunctional coating finishing agent. Background technique [0002] Coating is a covering layer with a certain thickness, different from the base material and with certain reinforcement, protection or special functions formed on the surface of metal or non-metal substrate by physical, chemical or other methods, so as to achieve Protection, insulation, decoration, or the purpose of imparting some special properties to the substrate. The coating process can be applied to substrates such as metal, fabric, plastic, glass, etc. It is very popular because of its simple operation, remarkable effect, and can be used on a variety of substrates. It is a technology that has developed rapidly in recent years. It is widely used in various fields of the national economy such as textiles, printing, papermaking, automobiles, comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M11/46D06M13/256D06M13/513D06M15/21D06M15/227D06M15/333D06M15/513D06M15/53C09D151/00C09D169/00C09D7/61C09D7/63C09D7/65C09D5/08C08G64/42C08F265/04C08F226/06C03C17/00
CPCC03C17/007C03C17/009C03C2217/445C03C2217/477C03C2217/70C03C2217/78C08F265/04C08G64/42C08K2003/2241C08K2201/011C08L2201/08C08L2205/03C08L2205/035C09D5/08C09D7/61C09D7/63C09D7/65C09D151/003C09D169/00D06M11/46D06M13/256D06M13/5135D06M15/21D06M15/227D06M15/333D06M15/513D06M15/53D06M2200/01D06M2200/25C08F226/06C08L69/00C08L71/02C08L29/04C08K13/06C08K9/08C08K3/22C08K5/5425C08K5/5419C08L51/003
Inventor 张丹郑创
Owner 上海庙航包装科技股份有限公司