We are so grateful to UF's College of Engineering, in particular the faculty and students, for undertaking this project within IPPD
," said co-inventor Dr.
Larger ISVs can extend their packaged offering by being able to market with print workflow software, while smaller ISV partners gain additional reach by selling their components as part of IPPD
Levodopa, in fact, is the only anti-parkinsonian medication shown to reduce mortality rates of IPPD
patients (Rajput, 2001).
Through a combination of the IPPD
methodology, the software-based Process Analysis Toolkit for Affordability (PATA) developed by JGA, and an expert IPPD
facilitator, JGA led the RSVP team through the process of requirements generation.
At 170[degrees] C, only the compound with 6 phr IPPD
bonded with Cover 1 showed lower rubber retention (figure 12).
1 phr Table 2 - categorical compounding ingredients Antidegradants Curatives Plasticizers IPPD
(antiozonant) MBTS Paraffinic oil IPPD
(antiozonant) TMTD Naphthenic oil TMQ (antioxidant) CBS Aromatic oil Mixed amines (antioxidant) ZnDMC Ester Table 3 - 16-run design for categorical control factors Ingredient Run 1 2 3 4 5 Mixed 3 phr Amines 7PPD 3 IPPD
3 3 TMQ 3 Aromatic oil 22 Paraffinic oil 25 25 Naphthenic oil 25 Ester 22 Sulfur 0.
For this reason, a commercial SSBR was tested that contained IPPD
in the recipe.
They include: thiazole accelerators--MBTS and MBT; p-phenylene diamine antidegradants--6PPD, DPPD, IPPD
Pastilles are being marketed by this international chemical distributor.
Table 1--formation of a physical barrier Chemical type Example Characteristics N-aryl-N'-alkyl para- IPPD
, Very active phenylene diamine 6PPD Low molecular weights are volitile Activity decreases with alkyl group containg greater than C8 Dynamic and intermittent dynamic applications N-N'-dialkyl para- 77PD, Highly staining and volatile phenylene diamine 88PD Very active Susceptible to oxygen attack Mostly static, less for dynamic or intermittent dynamic applica- tions N-N'-diaryl para- DPPD, Slow migration rate phenylene diamine Wingstay Least volatile -100 Little staining Moderately active Good for dynamic, but poor for static applications
Van Vonno heads the University of Florida's IPPD
program for Intersil.
, it is a systematic approach to product development that achieves a timely collaboration of relevant stakeholders throughout the product life cycle to better satisfy customer needs.