Prospects for the Development of BOPP Hot Filling Bottles (II)

Aseptic cold filling technology controls the production process more strictly, but the bottle's technical requirements are rather low. It can use ordinary PET bottles, but it requires inline filling. The investment in aseptic cold filling lines is 4 times that of ordinary hot-filling lines. In addition to the in-line PET bottle production equipment, one-time investment is huge, but the return is also quite high. The hottest part of the hot filling is the special bottle for hot filling. Hans Sindel compares the aseptic cold filling system with the hot filling system [4]. The results show that, under the current production conditions, the single bottle filling produced by the aseptic cold filling process The cost is 0.0871 euros, while hot filling amounts to 0.1040 euros. Therefore, if all factors are considered together, then the hot filling costs will be 20% higher than that of a polyster jar aseptic cold filling. In addition, using aseptic cold filling lines can also develop more varieties of beverages, improve product quality, increase production capacity, and further enhance the competitiveness of beverage companies.
In China, in the past two years, aseptic cold filling technology has become a valuable asset for listed companies such as Zhongfu and Zijiang; currently, some professional bottle manufacturers and PET bottle equipment suppliers are targeting other markets for plastic bottles. , such as beer packaging. In view of the rapid development of beverage production technology, it is believed that 2002 and 2003 were the golden age of domestic hot-filling bottles. From 2004 onwards, it should be considered the era of post-hot-filling bottling. There are also opinions that the hot filling process is a transitional technology that will eventually be replaced by the aseptic cold filling process. If the aseptic cold filling process is spread rapidly in the beverage industry, not only the hot filling bottles will lose their market. And the production methods of bottles will change drastically.
In fact, for most companies that have no money to invest or temporarily invest in aseptic cold filling lines but must use hot-filling technology, they must re-select packaging materials. BOPP bottles are expected to become hot-filled. Bottle of alternative products. In a sense, aseptic cold filling technology is a double-edged sword, which not only promotes the replacement of beverage production technology, but also accelerates the replacement of BOPP bottles on hot filling lines.
5 new business model: Valet Filling The current production of plastic bottles, there are two models, one is a professional bottle factory, one is the bottle user self-built bottle shop. Domestic mineral water companies mostly produce PET bottles themselves, and most tea beverages and juice beverage companies choose to purchase hot-filled bottles. Due to the strict hygiene requirements for bottle production, large infusion manufacturers generally choose to build their own bottle-making workshops. In recent years, there has been a valet filling model in the field of beverage packaging. Valet filling business has become a new profit growth point for Zhuhai Zhongfu and Shanghai Zijiang and other packaging manufacturers.
Zhuhai Zhongfu Industry Co., Ltd. established the Futian Food Company successively in Zhongshan, Zhengzhou, Kunming and Xi’an through joint ventures and holdings. It operates valet filling and beverages for fruit and vegetable juices, teas and other beverages. It also has long-term Coca-Cola, Pepsi, and Jianlibao. The domestic and international beverage brands such as Tingyi, Master, and Uniform provide product packaging services that not only account for more than 50% of the market share of Coca-Cola and Pepsi bottles, but also account for nearly 40% of the domestic PET bottle market share, which keeps the company’s performance at a high speed. growth of.
Valet filling has become quite common in many industries. It is believed that this mature business model will become more and more common in the beverage industry in China in the future. The valet filling business may be either a professional packaging product manufacturing company, a professional beverage production enterprise, or even some filling equipment manufacturing company.
6 Special materials needed to support the development of production of BOPP hot filling bottles of raw materials is a high transparent polypropylene material.
At present, highly transparent polypropylene is mainly obtained through the following three routes: 1. Adding a transparent agent to the polypropylene resin (acting as a nucleating agent) 2. Producing a random copolymer polypropylene having excellent transparency using a ZN catalyst, 3 The use of metallocene catalysts to produce highly transparent polypropylene. Among them, the method of adding a clearing agent is currently the most active and commonly used effective method for high performance and high transparency of polypropylene.
Representative manufacturers of transparent polypropylene abroad include Rexece (PP23M10cs259 copolymer), Phi-itips66 (MarlexRlx-020, BP546), Eastman (TeniteP5L2K-025, P5M6K-023), and Fina (7635M, 7835M). , Soltex Corporation (Fort-lene4111), AmocoPolymer Corporation (Acclear Series), Korea Hyosung Corporation (R301, R401), Dalin Corporation (344R, 800E), and SK Corporation (R370Y).
China's nucleating agent-modified polypropylene special-purpose material production enterprises mainly include Yanshan Petrochemical Company's Resin Application Research Institute (K4818, K4808), Shanghai Petrochemical Company Limited (M250E, M450E, M800E, M1200E, M3000E, and M250T) and Yangzi Petrochemical Company. Co., Ltd. (PPT800 and PPT2000), Tianjin Petrochemical Ethylene Plant (TJTM-8020), Taiwan Fuju Co., Ltd. (transparent polypropylene ST611M for bottle production), etc. In addition, Lanzhou Petrochemical Company's petrochemical plant, Luoyang Petrochemical Plant, Guangzhou Petrochemical Plant, Ningbo Huasheng Company, and Shanghai Amps Company are also developing transparent polypropylene.
At present, domestic transparent polypropylene is mainly used in the field of general transparent products. For the heat-filled and highly transparent hot-filled beverage bottles, the special materials are basically not produced, and this part of the demand mainly depends on imports. This situation is closely related to the relative backwardness of the development and application of polyolefin nucleating agents in China.
7 Conclusions and Recommendations Low-cost, high-temperature resistance and relatively small investment in equipment will make BOPP hot filling an ideal and economical alternative to tinplate cans, glass bottles, and PET hot-fill bottles. At present, the market capacity of domestic BOPP hot-filling bottles is about 1 billion, and the future market prospects are promising.
PET bottles have been generally accepted by beverage companies, but BOPP hot filling bottles have also received close attention from all parties. The competition of the three will be first launched in the market of hot-filled beverages, especially tea beverages. Since packaging accounts for a large proportion of beverage costs, even those companies that already use PET bottles may switch to BOPP bottles, and some newly-invested tea beverage companies may use BOPP bottles directly.
Hot filling and aseptic cold filling have their own advantages and disadvantages. In addition to considering technological factors, the cost of enterprises plays an important role in investment decisions. For most companies that have no money to invest or temporarily invest in aseptic cold filling lines, but must use hot-filling technology, it is bound to re-select packaging materials, and BOPP bottles are expected to become alternatives to hot-fill bottles. .
Valet filling will become more and more common in China's beverage industry in the future. For professional bottle-making companies, the development of valet filling business can broaden the company's operating space and extend the business downstream, thereby improving the company's profitability. For professional beverage manufacturers, Valet fills production for other companies so that they can digest their products and indirectly enter the beverage market. Filling equipment manufacturers in the production of hot filling bottles for beverage packaging, Valet filling business also contains a larger market space.
At present, the problems in the research and development of transparent polypropylene in China mainly include the high cost of the transparent agent, the non-uniform control of the amount of additive on the industrial device, the fracture strength in the mechanical properties, the poor balance between the tensile strength and the impact strength, and the radiation resistance. After the irradiation of the products, the mechanical properties decreased greatly. It is recommended that related departments or enterprises strengthen the research and development of transparent agents, strengthen the development of highly transparent random copolymer polypropylene grades, and accelerate the processing and application of highly transparent polypropylene. At the same time, enterprises that produce BOPP hot-filled bottles should strengthen self-discipline and avoid using unqualified resin raw materials.

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