TNPP

AcronymDefinition
TNPPTris(Nonylphenyl) Phosphite
TNPPTelocator Network Paging Protocol (PCIA)
TNPPTotal Net Primary Productivity (ecology measurement)
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* the high cost of the Tokamak type TNR (for example, the creation of an experimental ITER type TNR with 1500 MW thermonuclear power will cost the participants of an international project about EUR 15 billion which is unacceptable today for an industrial CTS reactor installed at the TNPP);
Unlike TNPP and other stabilizers, LGP-11 is not produced from alkylphenols, explains Dover Chemical R&D director Mickjakupca.
Although the impact of PCDI and TNPP on the nonisothermal crystallization of PLA was briefly reported in Refs.
Table 14 - polymer stability experiments Experimental 072 073 074 075 076 077 Number TNPP 0.05 0.08 0.03 0.05 0.00 0.00 Stabilizer A 0.0 0.0 0.0 0.1 0.1 0.1 ML/4@ 100 [degrees] C 32.9 43.2 46.7 45.2 47.3 46.4 Table 15 Haake stability at 140 [degrees] C Minutes 072 073 074 2.5 1,125 1,350 1,454 12.5 900 1,073 1,108 25.0 796 900 952 Haake stability at 160 [degrees] C Minutes 072 073 074 2.5 1,073 1,142 1,142 12.5 588 727 744 25.0 554 658 623 Haake stability at 140 [degrees] C Minutes 075 076 077 2.5 1,350 1,350 1,488 12.5 1,038 1,108 1,246 25.0 935 969 1,142 Haake stability at 160 [degrees] C Minutes 075 076 077 2.5 1,194 1,142 1,177 12.5 831 900 900 25.0 727 762 813
Dover Chemical, Dover, Ohio (doverchem.com) unveiled its newest, "green" Doverphos LGP-11, a proprietary, high-molecular-weight liquid phosphite developed as a replacement for workhorse phosphite TNPP, particularly for polyolefin packaging where purity is an issue.
Tris(nonylphenyl) phosphite (TNPP) was obtained from Aldrich and used as received.
The most popular stabilizer is tris(nonylphenyl) phosphite (TNPP).
Also, Weston[R] NPF 705 nonylphenol-free phosphite stabilizers are a drop-in liquid replacement for TNPP, an industry-standard secondary antioxidant used in LLDPE and HDPE, in PVC, and in SBR.
A novel liquid phosphite antioxidant is said to offer a more worker-friendly alternative to the workhorse secondary antioxidant, TNPP, while providing very similar cost-performance.
It could replace existing products such as Weston TNPP. A new generation of Blendex 338 impact modifiers is also in the works for PVC instrument panels and credit-card stock, as well as nonPVC specialty applications.
Weston TNPP (tris nonylphenyl phosphite) improves processing and properties in many polymers and has broad regulatory approval for food packaging.