Dow and Menshen bring sustainable design to spouted pouches

Spouted pouches fabricated of mono-cloth films by Dow and Menshen.

Dow and Menshen, manufacturers of caps, closures and unmarried-serve capsules, announced contrary spout sealing technology that enables the production of spouted pouches made of mono-textile films. This applied science allows converters to address the recycling criteria for flexible packaging and tin aid brands come across their sustainable packaging goals.

"We basically reversed the idea of where and when the heat needs to exist practical during the spout sealing procedure," explained Peter Sandkuehler, global application technology leader at Dow's Packaging and Specialty Plastics business. "By transferring the heat from the pre-melted spout base direct to the sealant layer of the film, we've solved two challenges at the same time – how to hands seal spouts to mono-material films, and how to preclude the difficult spout ribs from cutting into the moving picture," he added.

The new procedure easily seals spouts in more heat-sensitive, mono-material structures made from all polypropylene or all polyethylene packaging layers. Rather than traditionally applying the estrus from exterior the pouch forming film to melt the seal layer and the spout, the latter is pre-melted at its base earlier insertion into the pouch and sealing.

"The beauty of the procedure is its simplicity," said Sarah De La Mare, business development officeholder at Menshen. "It is actually more logical to apply the heat from the inside rather than from the exterior, whether you utilize mono-materials or non. We are currently working with several automobile manufacturers to ensure that this applied science tin can exist integrated into new and existing spouted pouches making lines."

Reversing the traditional sealing procedure reduces 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 pic cut-in is avoided, resulting in adept quality spout sealing and a pouch.

"At Dow, we have been working on expanding our portfolio of polyethylene-based mono-material solutions for several years. When looking at spouted pouch applications, we knew that changing this would not be an easy task and would require out-of-the-box thinking," said Jaroslaw Jelinek, marketing manager for EMEA, Dow Packaging and Specialty Plastics. "What Dow and Menshen bring to the market today is a transformative applied science that contributes to the plastic circularity goals that Dow and the entire industry take committed to," Jelinek says. The reverse spout sealing technology is the result of a iii-twelvemonth joint development between Dow and Menshen who are working with a number of partners on applied science integration and assistance make owners and converters to put the new sealing arroyo into practice. Both companies are working with leading manufacturers of pouch-packaging machines worldwide in social club to commercialize the technology.

The opposite spout sealing technology was successfully tested at Dow's Pack Studios in Horgen, Switzerland, with Menshen spouts sealed in mono or laminate moving-picture show structures containing Dow solutions such equally DOWLEXTM 2750ST, ELITETM 5960G in outer layers coated with OPULUXTM HGT and AFFINITYTM sealants. The engineering is suitable for nearly pouch sizes and for a wide range of applications – from baby food, condiments and detergents, to personal intendance applications such as shampoos, shower gels or body lotions. For packaging applications that cannot compromise on content preservation, Dow combines this technology with barrier solutions in structures that are designed for recyclability.

Dow and Menshen at K 2019

Dow volition exist attention Thou 2019, the conference for the plastics and condom industry, from 16 to 23 October 2022 in Düsseldorf, Deutschland. The effect will gather the most influential and creative suppliers of mechanism, parts and products under 1 roof. Information technology volition let visitors to ask challenging questions, forge new relationships and start collaborations that will help transform businesses and gild.

Packaging South asia'due south editor, Naresh Khanna will be covering K 2022 and can be reached through the TeamIndia@One thousand WhatsApp grouping. Interested persons can join the WhatsApp group by sending their name, telephone number, and company name to edit10@ippgroup.in.

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