CN105133034A - Antibacterial silicon wafer texturing agent and preparation method therefor - Google Patents

Abstract

The invention discloses an antibacterial silicon wafer texturing agent which is characterized by being prepared from the following raw materials in parts by weight: 1-2 parts of mycose, 1-2 parts of dipotassium glycyrrhizinate, 1.5-2.5 parts of sodium hydroxide, 0.5-1 part of lauramidopropylamine oxide, 0.3-0.5 part of polyoxyethylene sorbitol anhydride monooleate, 5-10 parts of a texturing adjustor, 0.3-0.5 part of mint oil, 0.2-0.4 part of ginger oil, 1-2 parts of sodium carboxymethylcellulose and 100-150 parts of water. The silicon wafer texturing agent disclosed by the invention not only can improve the texturing efficiency and the stability of a texturing process and reduce the use level of chemicals, but also has a good antibacterial function to prevent bacteria from breeding on the surface of the silicon wafer, so that the cleanness of the silicon wafer is improved, and the product is stable in quality, long in storage time and hard to deteriorate.

Description

A kind of antimicrobial form silicon wafer wool making agent and preparation method thereof

Technical field

The present invention relates to silicon wafer wool making technology, be specifically related to a kind of antimicrobial form silicon wafer wool making agent and preparation method thereof.

Background technology

Making herbs into wool is the important procedure in manufacture of solar cells technical process, utilize lower concentration alkalescence corrosive fluid to the anisotropic etch principle of silicon single crystal, " pyramid " structure is formed at silicon chip surface, reduce the reflectivity of silicon chip surface, increase the absorption of light, reduce reflectivity, improve the transformation efficiency of solar cell.At present, conventional leather producing process generally adopts sodium hydroxide or potassium hydroxide, and the mixing solutions adding suitable Virahol and water glass carries out making herbs into wool.The composition volatile quantities such as the Virahol that existing Woolen-making liquid uses are large, and the feature of environmental protection is poor, and work-ing life is short, and chemical cost amount is large, and reaction controllability is low, and making herbs into wool poor repeatability, directly affects quality product.And silicon chip surface does not totally easily cause the problems such as color spot, matte be uneven.In order to solve the problem, need to develop new Woolen-making liquid, improving matte homogeneity, improve making herbs into wool effect, improving the efficiency of conversion of solar battery sheet.

Summary of the invention

The object of this invention is to provide the agent of a kind of antimicrobial form silicon wafer wool making.

The present invention is achieved by the following technical solutions:

The agent of a kind of antimicrobial form silicon wafer wool making, it is obtained by the raw material of following weight parts:

Trehalose 1-2, Rizinsan K2 A2 1-2, sodium hydroxide 1.5-2.5, dodecanamide propyl amine oxide 0.5-1, polyoxyethylene sorbitan monooleate 0.3-0.5, making herbs into wool conditioning agent 5-10, spearmint oil 0.3-0.5, Oils, Zingiber officinale 0.2-0.4, Xylo-Mucine 1-2, water 100-150;

Wherein making herbs into wool conditioning agent is made up of the raw material of following weight part: vinylbenzene 3-5, methyl methacrylate 2-4, polyvinyl alcohol 2-4, W-Gum 1-2, Potassium Persulphate 0.1-0.2, peregal 0.5-1, water 80-100; The preparation method of making herbs into wool conditioning agent be first polyvinyl alcohol and W-Gum are added 1/2-2/3 amount water in 50-60 DEG C stir 1-2h, add peregal 1000-1500r/min again and stir 5-10min, add vinylbenzene, methyl methacrylate and Potassium Persulphate mix and be heated to 85-95 DEG C of reaction 0.5-1h, finally add remaining water, cool after stirring, to obtain final product.

A preparation method for antimicrobial form silicon wafer wool making agent, comprises the following steps:

(1) take raw material by weight, first sodium hydroxide is added to the water and dissolves completely, then add trehalose, Rizinsan K2 A2 50-60 DEG C stirring 0.5-1h, stir 1-2h under then adding Xylo-Mucine similarity condition, cooled and filtered, obtain filtrate;

(2) dodecanamide propyl amine oxide and polyoxyethylene sorbitan monooleate to be added in the filtrate in (1) 60-80 DEG C, 500-1000r/min stirs 10-15min, 5-10min is stirred under adding spearmint oil and the same rotating speed of Oils, Zingiber officinale after cooling again, finally add all the other raw material stirring even, obtain the agent of antimicrobial form silicon wafer wool making.

Advantage of the present invention is:

The present invention introduces making herbs into wool additive, produces adsorption with silicon chip surface, improves nucleation density, increases the anisotropy of reaction, is conducive to improving matte pyramid profile, and formation density is large, the matte of uniform, controllable, improves making herbs into wool efficiency; Simultaneously, by the composite generation synergy of all the other raw materials, the corrosion speed of silicon chip in alkali lye can be controlled, improve the stability of leather producing process, effectively improve the efficiency of conversion of cell piece, there is again good antibiotic effect, prevent bacterium from breeding at silicon chip surface, improve the cleanliness factor of silicon chip, constant product quality, period of storage is long and not perishable.

Embodiment

Non-limiting examples of the present invention is as follows:

The agent of a kind of antimicrobial form silicon wafer wool making, is prepared from by the component raw material of following weight (kg):

Trehalose 2, Rizinsan K2 A2 2, sodium hydroxide 2.5, dodecanamide propyl amine oxide 1, polyoxyethylene sorbitan monooleate 0.5, making herbs into wool conditioning agent 10, spearmint oil 0.5, Oils, Zingiber officinale 0.4, Xylo-Mucine 2, water 150;

Wherein making herbs into wool conditioning agent is made up of the component raw material of following weight (kg): vinylbenzene 3, methyl methacrylate 2, polyvinyl alcohol 2, W-Gum 1, Potassium Persulphate 0.1, peregal 0.5, water 80; Polyvinyl alcohol and W-Gum are first added 60 DEG C of stirring 1h in the water of 1/2 amount by the preparation method of making herbs into wool conditioning agent, add peregal 1000r/min again and stir 5min, add vinylbenzene, methyl methacrylate and Potassium Persulphate mix and be heated to 85 DEG C of reaction 0.5h, finally add remaining water, cool after stirring, to obtain final product.

The preparation method of antimicrobial form silicon wafer wool making agent comprises the following steps:

(1) take raw material by weight, first sodium hydroxide is added to the water and dissolves completely, then add trehalose, Rizinsan K2 A2 60 DEG C stirring 1h, stir 2h under then adding Xylo-Mucine similarity condition, cooled and filtered, obtain filtrate;

(2) dodecanamide propyl amine oxide and polyoxyethylene sorbitan monooleate to be added in the filtrate in (1) 80 DEG C, 1000r/min stirs 10min, 5min is stirred under adding spearmint oil and the same rotating speed of Oils, Zingiber officinale after cooling again, finally add all the other raw material stirring even, obtain the agent of antimicrobial form silicon wafer wool making.

Be immersed in by monocrystalline silicon piece in silicon wafer wool making agent obtained above, making herbs into wool under 85 DEG C of conditions, the making herbs into wool time is 20min, and the silicon chip surface obtained forms the suede structure of size uniform, and pyramidal mean sizes is at 2-3 μm after testing, and reflectivity is 10.6%.

Claims (2)

1. the agent of antimicrobial form silicon wafer wool making, is characterized in that, it is obtained by the raw material of following weight parts:

Trehalose 1-2, Rizinsan K2 A2 1-2, sodium hydroxide 1.5-2.5, dodecanamide propyl amine oxide 0.5-1, polyoxyethylene sorbitan monooleate 0.3-0.5, making herbs into wool conditioning agent 5-10, spearmint oil 0.3-0.5, Oils, Zingiber officinale 0.2-0.4, Xylo-Mucine 1-2, water 100-150;

Described making herbs into wool conditioning agent is made up of the raw material of following weight part: vinylbenzene 3-5, methyl methacrylate 2-4, polyvinyl alcohol 2-4, W-Gum 1-2, Potassium Persulphate 0.1-0.2, peregal 0.5-1, water 80-100; The preparation method of making herbs into wool conditioning agent be first polyvinyl alcohol and W-Gum are added 1/2-2/3 amount water in 50-60 DEG C stir 1-2h, add peregal 1000-1500r/min again and stir 5-10min, add vinylbenzene, methyl methacrylate and Potassium Persulphate mix and be heated to 85-95 DEG C of reaction 0.5-1h, finally add remaining water, cool after stirring, to obtain final product.

2. the preparation method of a kind of antimicrobial form silicon wafer wool making according to claim 1 agent, is characterized in that, comprise the following steps:

(1) take raw material by weight, first sodium hydroxide is added to the water and dissolves completely, then add trehalose, Rizinsan K2 A2 50-60 DEG C stirring 0.5-1h, stir 1-2h under then adding Xylo-Mucine similarity condition, cooled and filtered, obtain filtrate;

(2) dodecanamide propyl amine oxide and polyoxyethylene sorbitan monooleate to be added in the filtrate in (1) 60-80 DEG C, 500-1000r/min stirs 10-15min, 5-10min is stirred under adding spearmint oil and the same rotating speed of Oils, Zingiber officinale after cooling again, finally add all the other raw material stirring even, obtain the agent of antimicrobial form silicon wafer wool making.