hub sciencedirect scopus applications register login login go to scival suite username: password: remember me | not registered? Forgotten your username or password? Go to athens / institution login remote access activation home publications search my settings my alerts shopping cart help export citation purchase more options... viagra online Email article search     all fields     author advanced search     journal/book title     volume   issue   page search tips article outline is loading... viagra 911 call Javascript required for article outline surgical neurology volume 37, issue 3, march 1992, pages 189–196 transsphenoidal microsurgery for craniopharyngioma jürgen honegger, m. viagra viagra dont work D. buy cheap viagra , michael buchfelder, m. floridalighttacklecharters.com/thq-buy-viagra-canada-uk/ D. , rudolf fahlbusch, m. D. Take viagra before after meal , bernd däubler, helmut g. Dörr, m. how long does it take viagra daily to start working D. price comparison viagra viagra viagra Departments of neurosurgery and pediatrics, university of erlangen-nürnberg, erlangen, germany received 29 july 1991 accepted 8 october 1991 available online 23 april 2004 how to cite or link using doi permissions & reprints view full text purchase $31. side effects of viagra daily use 50 abstract we report on our series of 32 craniopharyngiomas operated on by the transsphenoidal route since 1983. medicaresupplementspecialists.com/pfz-sale-viagra-rp/ In 15 of 19 patients (79%) with primary transsphenoidal surgery and in 8 of 13 patients (62%) with a transsphenoidal approach following previous surgical procedures, the craniopharyngioma was totally removed. viagra 911 call Primary transsphenoidal surgery is a safe and successful procedure for intrasellar and suprasellar infradiaphragmatic craniopharyngiomas. viagra 20 mg in usa In secondary surgery and in the presence of tumor calcifications the indication for this approach must be considered more carefully. viagra without a doctor prescription Postoperative posterior pituitary deficiency is a frequent occurrence. Viagra 36 hour price Anterior pituitary function usually remains unchanged after surgery except for normalization of hyperprolactinemia. buy viagra online Keywords craniopharyngioma; transsphenoidal surgery there are no figures or tables for this document. Address reprint requests to: dr. Med. viagra without a doctor prescription J. buy viagra online Honegger, neurochirurgische klinik, universität erlangen-nürnberg, schwabachanlage 6 (kopfklinikum), 8520 erlangen, germany. buy generic viagra Copyright © 1992 published by elsevier inc. Bibliographic information citing and related articles related articles no articles found. Para que es viagra 20 mg Cited by in scopus (66) related reference work articles no articles found. physical effects viagra women Applications and tool. howtosmudge.com/pjn-buy-viagra-without-prescription-ae/

Nan-O-Sil ASD Colloidal Silica Significantly Reduces the Cycle Time in Injection Molding

PP unfilled, Nylon 6, unfilled, Nylon 66, 33% glass, PBT unfilled,
PC + 33% glass, PPS, PEEK, Acetal, and Rigid PVC (read more: PVC Results Summary | Nanosil ASD Study)

Penn State University Study


“A Study on the Effect of Nan-O-Sil ASD on Cooling Time Reduction” was undertaken by Jonathan Meckley, Pennsylvania State University at Erie, The Behrend College , Erie, PA (see technical paper 1) that will be presented at ANTEC in May 2010, that demonstrated the Nan-O-Sil ASD additive can reduce cycle time by as much as 70% in semi-crystalline materials.

In PP the cooling time was reduced 77%.

In glass filled PBT, it is 70%.

Glass-filled Nylon has a 67% reduction without negative physical properties.

 

Read More »

Nan-O-Sil ASD


A unique colloidal silica processing aid from Energy Strategy Associates, Inc. slashes molding cycle times. Ultra-fine bright white silica particles have been shown in laboratory and commercial field trials to reduce injection molding cycle times by 20% to 30% in polypropylene, filled and unfilled nylon, PBT, Acetal, glass filled PC, PPS, PEEK, and Rigid PVC (read more: PVC Results Summary | Nanosil ASD Study). This processing advantage is accompanied by retention and improvements in key physical properties at low loadings (0.8% wt.).

Nan-O-Sil ASD additive is an ultra high purity, amorphous (no crystallinity), colloidal fumed silica where the particles are discrete and non agglomerated in the form of a bright white powder. Importantly the individual particles are spherical shaped and range in particle size from 0.02 to 0.55 microns (20 to 550 manometers).

Nan-O-Sil ASD improves color dispersion. Blues are bluer. Greens are greener. Nan-O-Sil ASD reduces flow lines and surface defects. Nan-O-Sil ASD is easy to mix with resin pellets in a blender so melt pre-compounding is not required.


Neat PP @ 90s Cooling Time:

Nan-O-Sil ASD PP @ 90s Cooling Time


Subsequent to this paper/study we have determined that the cycle time reduction provided by Nan-O-sail is a function of nucleation dynamics (see Thermal Kinetics Study)

Major Key Benefits of Nan-O-Sil


  • Nanosil ASD reduces the Injection Molding Cycle time by 30 % to 40 % for most plastics resins like PP, PE, nylons, PBT, PC, LCP, PEEK, and Rigid PVC (read more: PVC Results Summary | Nanosil ASD Study).
  • Nanosil ASD reduces and often eliminates warpage of a molded parts such as rectangular boxes, and other complex geometries.
  • Nanosil ASD Significantly improves the color dispersion and hence it helps to cut down the color concentrate amount resulting in enormous cost savings.
  • Nanosil ASD improves critical part tolerances.
  • Nanosil ASD improves strength properties like tensile strength and toughness of many resins like nylons, PP, PE, and PBT.
  • Nanosil ASD reduces the flow lines and weld lines and improves the overall dimensional stability of the molded parts.
  • It only requires less than 1% (0.8%) of Nanosil ASD (less than three cents of the cost of this additive) to attain all the above benefits.

To obtain a sample for your trials, please contact:
Richard Oder
Energy Strategy Associates
Phone: 518-794-0082
Email : R.Oder@nanosilasd.com
Website : www.nanosilasd.com


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