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Home > News > Chemicals

Tosaf develops PFAS-free additives for extrusion

Source:Adsale Plastics Network Date :2024-01-23 Editor :RC
Copyright: This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

Tosaf developed processing aids for the extrusion of polyolefins that do not contain fluoroelastomers. They can replace conventional products for a wide range of film applications and meet the requirements of the FDA and EFSA for use in contact with food.


The grade AP9709PE EU provides enhanced rheological properties while AP9711PE EU focuses on optical properties, including clarity and haze.


Tosaf PFAS-free additives_480.jpg

Tosaf developed PFAS-free processing aids with enhanced properties.

 

In laboratory tests, Tosaf compared the processing properties of standard Tosaf’s fluoroelastomer-based processing aid (AP5645PE EU) and alternative PFAS-free products.

 

Results show that flow behavior in capillary rheometer and pressure reduction in extruder die are largely consistent.

 

Optical properties, including light transmission, haze and clarity, of PFAS-free solutions even show slight advantages over pure PE-LLD and compound with conventional standard processing aid.

 

Current customer applications include a 5-layer coex-line using 1% of Tosaf’s PFAS-free processing aid AP9709PE EU in the outer layer. The films can be printed, sealed and laminated.

 

Compared to standard PFAS-based processing aid, the PFAS-free application enables 5-10°C lower melt temperature. It also shows a significant lower occurrence of melt fracture and improved optical properties, such as haze.


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Tosaf
Extruder and extrusion line
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 Changzhou Gomplast Rollers Co., Ltd      
 WINTECH PLASTIC MACHINERY CO.,LTD      
 Guangdong Liansu Machinery Manufacturing Co., Ltd.      
 Nanjing Chuancheng Chemical Machinery Co., Ltd.      
 Hebei gelia plastic machinery sales co., ltd      
 CHANGZHOU XINBOXUAN MACHINERY MANUFACTURING CO.,LTD      
 Hebei Keao Plastics Co.,Ltd      
 Jiangsu Kaifeng Xinye Intelligent Equipment Co.,Ltd      
 Xingtai zhouke New Material Technology      
 ZHEJIANG GAOZHONG PLASTIC MACHINERY CO.,LTD      
 Lucky Chemical Materials Co., Ltd.      
 Wuxi Yuda Plastic Pipe Welding Machinery Factory      
 Shandong Sunris New Materials Co.,Ltd.      
 WUXI BOYU PLASTIC MACHINERY CO., LTD.      
 Qingdao Weier Plastic Machinery Co.,Ltd      
 Zhejiang Shengxinfeng Machinery Co.,Ltd      

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