- Email: [email protected]
Invista introduces transparent blend additives to boost nylon performance
materials
pigmentation. It is therefore ideal for making components that need to have colour without a painting step, while the low-shrinkage feature ensures ‘minimized warpage, excellent dimensional consistency and, thus, better fit during final assembly’, DSM asserts. For original equipment manufacturers (OEMs) and designers, the zero shrinkage property also means easier design, as the impact of shrinkage during cure on part dimensions is minimal, which ‘saves time and engineering headaches’, the company says. In addition, parts made with Beyone 820-H-01 are reported to be strong and resistant to mechanical impact. SMC formulations incorporating the new additive feature lower viscosity and, as a consequence, easier fibre impregnation, which in turn brings benefits such as ‘improved mechanical properties and flow control’ during processing, explains Peter Hilzendegen, segment leader for the SMC & BMC market at DSM Composite Resins. DSM’s global end markets include food and dietary supplements, personal care, feed, medical devices, automotive, paints, electrical and electronics, life protection, alternative energy, and bio-based materials. The company has annual net sales of around E9 billion and employs some 21 000 people worldwide. Contact: DSM, Heerlen, The Netherlands. Tel: +31 45 578 8111, Web: www.dsm.com
Invista introduces transparent blend additives to boost nylon performance
K
och Industries subsidiary Invista has launched Novadyn™ transparent polyamides, which can also be used as differentiated blend additives to improve traditional nylon performance. According to the company, the Novadyn products are ‘highly versatile’ semi-aromatic polyamides with ‘a unique combination’ of performance, cost effectiveness and recycled content. There are two initial products. Novadyn DT/DI is made from the company’s proprietary Dytek® A Amine monomer with purified terephthalic acid (PTA) and purified isophthalic acid (PIA). Novadyn DT is made from Dytek A Amine and PTA. Novadyn DT/DI polyamide is intended for applications that require both transparency and chemi-
4
Additives for Polymers
cal resistance. ‘We designed Novadyn DT/DI polyamide for transparent applications where polycarbonate struggles with chemical resistance or where more costly transparent polymers may be over-specified’, explains Allen Reihman, director of new business development for Invista. As a blend additive for traditional nylons, Novadyn DT/DI polyamide is reported to significantly improve conditioned mechanical properties for nylon 6,6 and nylon 6, including improvement in conditioned flexural strength and stiffness of up to 43%. In humid environments, Novadyn polyamides can boost traditional nylon properties, enable thinner parts and enhance light-weighting initiatives, Reihman says. Novadyn DT/DI and DT polyamides can also be used as blend additives to modify crystallinity, boost glass transition temperature and reduce costs, Invista reports. According to the company, these products can be considered for transparent and blend applications involving a broad range of processing methods, including injection moulding, extrusion, speciality and barrier films, monofilament and fibre processing. Novadyn polyamides are suitable for use in a variety of applications including automotive, electrical, industrial and consumer products, Invista says. Invista is an integrated producer of chemical intermediates, polymers and fibres. Its brands include Lycra, Coolmax, Cordura, Stainmaster and Antron. Headquartered in the USA, the company operates in more than 20 countries and has about 10 000 employees. Contact: Invista, Wilmington, DE, USA. Tel: +1 770 792 4221, Web: www.invista.com
Croda develops new low-bloom anti-scratch additives for plastics
U
K-based Croda International reports that it has developed a range of polymer additives for reduced scratch visibility and low visible bloom in automotive applications. These additives reduce scratch width and visibility, while their ‘superior stability’ results in reduced blooming on the surface, the company explains. This combination of benefits makes the new additives ‘perfect for use’ in a variety of plastics, used in applications such as automotive interior parts, it claims. Driven by the aim of car manufacturers to reduce the weight of their vehicles, the global automotive plastics market
May 2015
pigmentation. It is therefore ideal for making components that need to have colour without a painting step, while the low-shrinkage feature ensures ‘minimized warpage, excellent dimensional consistency and, thus, better fit during final assembly’, DSM asserts. For original equipment manufacturers (OEMs) and designers, the zero shrinkage property also means easier design, as the impact of shrinkage during cure on part dimensions is minimal, which ‘saves time and engineering headaches’, the company says. In addition, parts made with Beyone 820-H-01 are reported to be strong and resistant to mechanical impact. SMC formulations incorporating the new additive feature lower viscosity and, as a consequence, easier fibre impregnation, which in turn brings benefits such as ‘improved mechanical properties and flow control’ during processing, explains Peter Hilzendegen, segment leader for the SMC & BMC market at DSM Composite Resins. DSM’s global end markets include food and dietary supplements, personal care, feed, medical devices, automotive, paints, electrical and electronics, life protection, alternative energy, and bio-based materials. The company has annual net sales of around E9 billion and employs some 21 000 people worldwide. Contact: DSM, Heerlen, The Netherlands. Tel: +31 45 578 8111, Web: www.dsm.com
Invista introduces transparent blend additives to boost nylon performance
K
och Industries subsidiary Invista has launched Novadyn™ transparent polyamides, which can also be used as differentiated blend additives to improve traditional nylon performance. According to the company, the Novadyn products are ‘highly versatile’ semi-aromatic polyamides with ‘a unique combination’ of performance, cost effectiveness and recycled content. There are two initial products. Novadyn DT/DI is made from the company’s proprietary Dytek® A Amine monomer with purified terephthalic acid (PTA) and purified isophthalic acid (PIA). Novadyn DT is made from Dytek A Amine and PTA. Novadyn DT/DI polyamide is intended for applications that require both transparency and chemi-
4
Additives for Polymers
cal resistance. ‘We designed Novadyn DT/DI polyamide for transparent applications where polycarbonate struggles with chemical resistance or where more costly transparent polymers may be over-specified’, explains Allen Reihman, director of new business development for Invista. As a blend additive for traditional nylons, Novadyn DT/DI polyamide is reported to significantly improve conditioned mechanical properties for nylon 6,6 and nylon 6, including improvement in conditioned flexural strength and stiffness of up to 43%. In humid environments, Novadyn polyamides can boost traditional nylon properties, enable thinner parts and enhance light-weighting initiatives, Reihman says. Novadyn DT/DI and DT polyamides can also be used as blend additives to modify crystallinity, boost glass transition temperature and reduce costs, Invista reports. According to the company, these products can be considered for transparent and blend applications involving a broad range of processing methods, including injection moulding, extrusion, speciality and barrier films, monofilament and fibre processing. Novadyn polyamides are suitable for use in a variety of applications including automotive, electrical, industrial and consumer products, Invista says. Invista is an integrated producer of chemical intermediates, polymers and fibres. Its brands include Lycra, Coolmax, Cordura, Stainmaster and Antron. Headquartered in the USA, the company operates in more than 20 countries and has about 10 000 employees. Contact: Invista, Wilmington, DE, USA. Tel: +1 770 792 4221, Web: www.invista.com
Croda develops new low-bloom anti-scratch additives for plastics
U
K-based Croda International reports that it has developed a range of polymer additives for reduced scratch visibility and low visible bloom in automotive applications. These additives reduce scratch width and visibility, while their ‘superior stability’ results in reduced blooming on the surface, the company explains. This combination of benefits makes the new additives ‘perfect for use’ in a variety of plastics, used in applications such as automotive interior parts, it claims. Driven by the aim of car manufacturers to reduce the weight of their vehicles, the global automotive plastics market
May 2015