𝐓𝐨𝐝𝐚𝐲'𝐬 𝐊𝐍𝐎𝐖𝐋𝐄𝐃𝐆𝐄 𝐒𝐡𝐚𝐫𝐞 : 𝐍𝐨𝐧-𝐏𝐅𝐀𝐒 𝐩𝐨𝐥𝐲𝐦𝐞𝐫 𝐩𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 𝐚𝐢𝐝𝐬 𝐟𝐨𝐫 𝐛𝐥𝐨𝐰𝐧 𝐟𝐢𝐥𝐦 𝐞𝐱𝐭𝐫𝐮𝐬𝐢𝐨𝐧 𝐡𝐚𝐯𝐞 𝐚𝐝𝐯𝐚𝐧𝐜𝐞𝐝

𝐓𝐨𝐝𝐚𝐲'𝐬 𝐊𝐍𝐎𝐖𝐋𝐄𝐃𝐆𝐄 𝐒𝐡𝐚𝐫𝐞

𝐍𝐨𝐧-𝐏𝐅𝐀𝐒 𝐩𝐨𝐥𝐲𝐦𝐞𝐫 𝐩𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 𝐚𝐢𝐝𝐬 𝐟𝐨𝐫 𝐛𝐥𝐨𝐰𝐧 𝐟𝐢𝐥𝐦 𝐞𝐱𝐭𝐫𝐮𝐬𝐢𝐨𝐧 𝐡𝐚𝐯𝐞 𝐚𝐝𝐯𝐚𝐧𝐜𝐞𝐝 — 𝐛𝐮𝐭 𝐜𝐡𝐞𝐦𝐢𝐬𝐭𝐫𝐲 𝐚𝐥𝐨𝐧𝐞 𝐢𝐬 𝐧𝐨𝐭 𝐞𝐧𝐨𝐮𝐠𝐡.

As PFAS regulation intensifies across jurisdictions, producers of film processing aids continue to advance substitute chemistries. Non-fluoropolymer PPAs have made significant strides, particularly with newer polyamide-based chemistries that operate effectively at lower dosages. But the transition is not straightforward.

Key challenges with NF-PPAs include:

-𝐒𝐜𝐫𝐞𝐰 𝐬𝐥𝐢𝐩𝐩𝐚𝐠𝐞 𝐚𝐧𝐝 𝐬𝐮𝐫𝐠𝐢𝐧𝐠 𝐟𝐫𝐨𝐦 𝐡𝐢𝐠𝐡 𝐏𝐏𝐀 𝐜𝐨𝐧𝐜𝐞𝐧𝐭𝐫𝐚𝐭𝐢𝐨𝐧𝐬

- 𝐏𝐫𝐢𝐧𝐭 𝐚𝐝𝐡𝐞𝐬𝐢𝐨𝐧 𝐟𝐚𝐢𝐥𝐮𝐫𝐞𝐬 𝐥𝐢𝐧𝐤𝐞𝐝 𝐭𝐨 𝐢𝐧𝐜𝐨𝐧𝐬𝐢𝐬𝐭𝐞𝐧𝐭 𝐝𝐨𝐬𝐢𝐧𝐠

- 𝐃𝐢𝐞 𝐥𝐢𝐩 𝐛𝐮𝐢𝐥𝐝𝐮𝐩 𝐝𝐫𝐢𝐯𝐞𝐧 𝐛𝐲 𝐨𝐱𝐢𝐝𝐢𝐳𝐞𝐝 𝐩𝐨𝐥𝐲𝐞𝐭𝐡𝐲𝐥𝐞𝐧𝐞 𝐝𝐞𝐠𝐫𝐚𝐝𝐚𝐭𝐢𝐨𝐧

- 𝐂𝐡𝐞𝐦𝐢𝐜𝐚𝐥 𝐚𝐧𝐭𝐚𝐠𝐨𝐧𝐢𝐬𝐦 𝐛𝐞𝐭𝐰𝐞𝐞𝐧 𝐍𝐅-𝐏𝐏𝐀𝐬 𝐚𝐧𝐝 𝐜𝐨𝐦𝐦𝐨𝐧 𝐩𝐨𝐥𝐲𝐦𝐞𝐫 𝐚𝐝𝐝𝐢𝐭𝐢𝐯𝐞𝐬

Success depends on a holistic approach that combines the right chemistry with disciplined processing practices and a proactive maintenance schedule. Cleaning cycles should be scheduled at higher frequency than was necessary with fluoropolymers. Purge materials help mitigate gel formation after shutdowns. Compatibility between additive packages must be evaluated carefully.

The carbon-fluorine bond is among the strongest in organic chemistry — replicating its performance requires more than a drop-in substitute.

Read the full analysis to understand what processors must get right. https://lnkd.in/gQQbe9rm

source : Plastics Technology