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05-28-2019

Dow and Menshen bring Sustainable Design to Spouted Pouches

Reversing the Traditional Sealing Process Brought the Solution

Dow and Menshen present a new technology that enables the production of spouted pouches made of mono-material films. (© Dow)

The introduction of the reverse spout sealing technology is the result of a three-year joint development between Dow and Menshen who are working with a number of partners on technology integration and assist brand owners and converters to put the new sealing approach into practice. The technology is suitable for most pouch sizes and for a wide range of applications – from baby food, condiments, and detergents, to personal care applications such as shampoos, shower gels, or body lotions.

Two Challenges Solved in One Step

The new process is designed to easily seal spouts in more heat sensitive, mono-material structures made from all polypropylene or all polyethylene packaging layers. Rather than traditionally applying the heat from outside the pouch forming film to melt the seal layer and the spout, the latter is pre-melted at its base before insertion into the pouch and sealing. “By transferring the heat from the pre-melted spout base directly to the sealant layer of the film, we’ve solved two challenges at the same time: how to easily seal spouts to mono-material films, and how to prevent the hard spout ribs from cutting into the film,” explained Dr. Peter Sandkuehler the advantages of the new method.

The Beauty of Simplicity

Reversing the traditional sealing process helps reduce the excess heat needed to be applied from the outside of the film to seal the inner, lower density film layers to a high-density spout base. At the same time, the packaging structure is less dependent on a film’s thermal resistance and film cut-in is avoided, resulting in good quality spout sealing and a pouch that looks great on the shelf. “The beauty of the process is its simplicity,” stated Sarah De La Mare, Business Development Officer at Menshen. "It is actually more logical to apply the heat from the inside rather than from the outside, whether you use mono-materials or not."

The reverse spout sealing technology was successfully tested at Dow’s Pack Studios in Horgen, Switzerland, with Menshen spouts sealed in mono or laminate film structures containing Dow solutions such as DOWLEXTM 2750ST, ELITETM 5960G in outer layers coated with OPULUXTM HGT and AFFINITYTM sealants. At present the company is working with several machine manufacturers to ensure that this technology can be integrated into new and existing spouted pouch making lines. (bf)

About Dow

The Dow Chemical Company is an American multinational chemical corporation headquartered in Midland, Mich., USA, and a subsidiary of Dow Inc. The company belongs to the top 3 of the list of largest chemical producers. Its portfolio of performance materials, industrial intermediates and plastics businesses delivers a broad range of differentiated science-based products and solutions for our customers in high-growth segments, such as packaging, infrastructure and consumer care. Dow operates 113 manufacturing sites in 31 countries and employs approximately 37,000 people.

About Menshen

Menshen has been one of the world’s leading manufacturers of closures, plastic lids, and packaging systems for more than 40 years. As an owner-operated company based in the city of Finnentrop in the Sauerland region with approximately 1,300 employees at 14 locations across 11 countries Menshen provides a large range of plastic closures and sponge applicators for tubes, pouches, and bottles.

Additional information
  • 11-28-2018

    Less Plastics in the Seas

    Dow Invests in Circular Economy Solutions

    The chemical company Dow wants to invest more in initiatives that work on solutions to prevent and remediate plastic waste in the environment.   more

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    Facility for Compounded Engineering Plastics and Adhesives

    DuPont is investing more than Dollar 80 million to build a manufacturing facility in Zhangjiagang, Jiangsu Province in East China. The new facility will produce compounded engineering plastics and adhesives to serve customers in transportation, electronics, industrial and consumer products markets.   more

  • 03-14-2018

    Leadership Succession for DowDuPont's Materials Science Division

    Andrew N. Liveris to Step Down as Executive Chairman

    DowDuPont announces that Andrew N. Liveris will retire as Executive Chairman, while Jim Fitterling will be appointed CEO and Howard Ungerleider CFO of the intended Materials Science Company, called Dow.   more

  • 03-02-2018

    DowDuPont's Ongoing Progress towards Separation

    New Names for Agriculture, MaterialScience and Specialty Products

    DowDuPont announces the brand names for the divisions once they are separated as independent companies as intended.   more

  • 09-06-2017

    DowDuPont Merger Successfully Completed

    The combined company moves forward toward the intended separation into publicly traded companies in agriculture, materials science and specialty products within 18 months.   more

Company profile

Georg Menshen GmbH & Co. KG

Industriestr. 26
DE 57413 Finnentrop
Tel.: 02721 518-0
Fax: 02721 518-198

The Dow Chemical Group Company

Tel.: +1 989 832-1560
Fax: +1 989 832-1465

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