阅读说明：本技术 一种冷端涂料的制造方法 (Method for manufacturing cold end coating ) 是由 王书涛 马和平 张晓娜 于 2020-07-06 设计创作，主要内容包括：一种玻璃制瓶行业用冷端涂料,属于润滑涂料技术领域。该冷端涂料是乳液产品,主要是以水为分散介质,聚乙烯蜡类为润滑材料,丙烯酸类树脂为成膜剂,非离子表面活性剂为乳化剂配制而成的水包油型乳剂。其产品组分是由40％～50％(质量分数,下同)的分散介质、35％～45％的润滑材料乳液、5％～10％的成膜剂乳液、3％～7％的乳化剂、3％～5％的防冻剂组成。使用冷端涂料对退火窑传送出来逐渐降温的玻璃瓶进行表面冷端喷涂处理,能够在尚有余温的玻璃瓶表面形成一层薄薄的润滑保护膜,这层膜可以起到增加瓶子之间润滑、减少表面碰撞磨损、提高玻璃瓶强度的作用。(A cold end coating for glass bottle-making industry belongs to the technical field of lubricating coatings. The cold-end coating is an emulsion product, and is an oil-in-water emulsion which is mainly prepared by using water as a dispersion medium, polyethylene waxes as a lubricating material, acrylic resin as a film forming agent and a nonionic surfactant as an emulsifier. The product comprises the components of 40-50 percent (mass fraction, the same below) of dispersion medium, 35-45 percent of lubricating material emulsion, 5-10 percent of film-forming agent emulsion, 3-7 percent of emulsifying agent and 3-5 percent of antifreezing agent. The cold end coating is used for carrying out surface cold end spraying treatment on the glass bottles which are conveyed out from the annealing kiln and cooled gradually, a thin lubricating protective film can be formed on the surface of the glass bottles with residual temperature, and the thin lubricating protective film can play a role in increasing lubrication among the bottles, reducing surface collision abrasion and improving the strength of the glass bottles.)

1. The manufacturing method of the cold end coating for the glass bottle-making industry is characterized in that the product components comprise 40-50 mass percent of purified water as a dispersion medium, 35-45 mass percent of oxidized polyethylene wax emulsion as a lubricating material, 5-10 mass percent of pure acrylic emulsion as a film forming agent, 3-7 mass percent of octyl phenol polyoxyethylene ether as an emulsifier and 3-5 mass percent of ethylene glycol as an antifreezing agent, wherein the sum of the mass percent of the components is 100%.

Technical Field

The invention relates to a method for manufacturing cold end coating for glass bottle-making industry. The cold-end coating is used for spraying the surface of a glass bottle in the production of the glass bottle, and belongs to the technical field of lubricating coatings.

Background

In the continuous production of the modern glass bottle making industry, glass bottles conveyed from an annealing kiln have surface defects, and are easy to rub or collide with each other in the mechanical conveying process, so that the surfaces of the glass bottles are scratched or damaged, and the strength of the glass bottles is reduced. The cold end coating is used for carrying out surface cold end spraying treatment on the glass bottles which are conveyed out from the annealing kiln and cooled gradually, a thin lubricating protective film can be formed on the surface of the glass bottles with residual temperature, and the thin lubricating protective film can play a role in increasing lubrication among the bottles, reducing surface collision abrasion and improving the strength of the glass bottles. The cold end coating contains a lubricating material, and is prepared into a lubricating coating spraying liquid product by being compatible with other auxiliary agents.

Disclosure of Invention

The cold end coating prepared by the invention is an emulsion product, and is an oil-in-water emulsion which is mainly prepared by taking water as a dispersion medium, polyethylene waxes as a lubricating material, acrylic resin as a film forming agent and a nonionic surfactant as an emulsifier.

The invention is realized by the following technical scheme: a cold end coating is characterized in that the product components comprise 40-50% (mass fraction, the same below) of a dispersion medium, 35-45% of a lubricating material emulsion, 5-10% of a film forming agent emulsion, 3-7% of an emulsifying agent and 3-5% of an antifreezing agent.

The dispersion medium is purified water, and is mainly used for forming a dispersed phase of the oil-in-water emulsion.

The lubricating material is oxidized polyethylene wax, the oxidized polyethylene wax emulsion finished product is used in the formula, and the main function is to form a lubricating film on the surface of the glass bottle.

The film forming agent is acrylic resin, a pure acrylic emulsion finished product is used in the formula, and the main function is to increase the adhesive force of the lubricating material on the surface of the glass bottle.

The emulsifier is octyl phenol polyoxyethylene ether, and mainly has the functions of emulsifying and dispersing components and keeping emulsion stable.

The antifreezing agent is ethylene glycol, and the main function is to reduce the freezing of the emulsion during transportation or storage.

The preparation method of the cold-end coating comprises the following steps: pouring purified water into a container at normal temperature, stirring, adding an emulsifier for dissolving, then sequentially adding a lubricating material, a film-forming agent and an anti-freezing agent, stirring at high speed for dispersing, filtering and filling to obtain the cold-end coating product.

The application method of the cold-end coating comprises the following steps: diluting and mixing the cold-end coating and purified water (or softened water) according to the proportion of 1: 80-100 uniformly, and then adding the mixture into cold-end spraying equipment to perform spraying operation on the surface of a glass bottle. When the coating is used, the spraying equipment and the control system are required to operate normally, the bottles are arranged in order on the conveying net belt, the nozzle moves between two rows of bottles, the coating is not directly sprayed into the bottles, and the height of the spraying equipment is required to be adjusted properly when the heights of the bottles change.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments below: