The barrier plastic bottle that was first introduced into China and formed a mass production supply was "in-mold fluorinated plastic bottle." The "fluorinated bottle" technology was first invented by American Air Products and developed by Boxmore. In the mid-1980s, this "in-mold" or "online" fluorination technology won the Queen's Award for Innovation in Science and Technology. The first fluorination technology called “post-line fluorination” technology refers to the first blow molding of polyethylene (PE) plastic bottles, and then storing the plastic bottles in a closed container, filling the container with a certain percentage of “fluorine for a certain period of time. "Nitrogen mixed gas" forms a layer of fluorinated layer mainly composed of PTFE on the inner wall of the plastic bottle, so as to achieve the effect of blocking the organic solvent.

However, the economy of fluorinated bottles is a prerequisite. That is, at the initial stage of production, there must be a considerable amount of investment to form a matching production scale. If the fluorination system is fully automatic computer controlled, it must be matched with a considerable amount and capacity of blow molding equipment to achieve economies of scale. Second, the fluorination process requires a high-purity and consistent ratio of fluorine-nitrogen mixed gas, and a specific performance (grade) of polyethylene raw materials to be matched. Under normal circumstances, the fluorinated barrier bottle in the international market is tens of percent lower than the cost and price of the other two barrier bottles. This is why the introduction of fluorinated bottles was the first reason.

Dr. Morris has developed this technology as an "in-mold" or "online" fluorination technology, that is, fluorination is performed simultaneously in the blow molding process. This technology greatly improves the fluorination effect and production efficiency, making plastic bottles more economical than other types of barrier bottles.

At present, the more popular raw material for barrier bottles is EVOH, especially in the field of pesticide bottle editors recommend to domestic large EVOH suppliers for you:

Kunshan Huayi Plastic Co., Ltd.

Contact phone

Contact person: Mr. Chen Address: Zhangpu Town, Kunshan City, Jiangsu Province

Website: http://

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