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Warning:  My computer died and the new computer with Windows eight does not support Microscoft Front Page.  I am in the process of switching to Microsoft Expression Web but this will take some time .  This will mean a new website and hopefully an improved website. (RDC 7/6/2015)

This site is now, up and running.  It will take a while before the search engines find the site.  Just click on the link below. 

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From now on all new additions will be on the plasticspatents site. Gradually all the content from this site, maropolymeronline, will be transferred to this new site.  (RDC  7/17/2015)

 

The Maro Patentpedia is a dynamic ever-growing collection of  US Patent titles, abstracts and notes on Polymer Science and Technology.  This includes background notes from different sources.  Topic pages are added as new developments appear, resulting in a dynamic, up-to-date encyclopedia. 

Because Applications are so important, a special Application section is being developed. (6/19/205) Visit Applications under development.  A special Application Alerts service is being considered.

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Unsorted Patents

Finished: Week 24 (6/16/2015) 188 selected Titles sorted into 27 Topics.

Finished: Week 23 (6/9/2015) 217 selected Titles sorted into 27 Topics

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Patent of Interest

Crosslink Testing

Direct conversion of solar energy to electrical energy can provide a virtually unlimited source of clean energy.  Conventional photovoltaic modules typically include a stack of materials encapsulated in a transparent polymer such as ethylene vinyl acetate (EVA) copolymers.  During lamination, EVA is applied to a photovoltaic module and cured to prevent long term creep due to temperature and stress.  Crosslinking is critical to long term performance and must be monitored.  Conventional crosslinking measurements are the  “gel fraction” test and "creep" test requiring destruction of the tested material.  An automated, nondestructive test is badly needed. 

Dobble et al measured cross-linking by localized deformation without damage to the module.  A polymer sample is indented and  the relaxation or a recovery recorded.  This recovery is then compared to a reference material.  An automated test for crosslinking could be a major step in quality control as well as monitoring long term performance.  

US Patent 8,950,267 (February 10, 2015), “ Methods and Apparatus for Detecting Cross-Linking in a Polymer,” Dan Doble, Rafal Mickiewicz, John Lloyd, Marco Jaeger, and William F. Hartman (Fraunhofer USA, Inc., Plymouth, Michigan, USA).

See Maro Patentpedia, Crosslinking.

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Latest Hot Patents 101- 152 (Hot Patent 2)

Past Hot Patents 1 -100 (Hot Patents 1)

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Properties of Common Plastics

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New to the site, --- Visitors

What is a polymer? --- Polymers

What are Patent Links? --- Patent Links

What are Maro Alerts?   --- Maro Alerts

What is the basis for selecting Patents?  Selection Criteria

What are Maro Personal Alerts? --- Maro Personal Alerts

A Sample Personal Alerts Message --- Personal Alerts Message

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Maro Publications

The Future:
Under Development
Visitors are welcome.
Comments and Suggestions are encouraged

 

Roger D. Corneliussen (RDC)
Editor
Telephone: 610 363 1533
Email: cornelrd@bee.net
www.maropolymeronline.com

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**Copyright 2014 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen

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