http://www.revplasmod.com/
Publications in spanish language about plastics and rubbers. Abbreviations and links. 

http://plc.cwru.edu/tutorial/enhanced/main.htm
Web page of Case Western University. Very didactic with virtual labs and books.

http://www.psrc.usm.edu/macrog/index.html
Very didactic. It contents a virtual book with information about many types of polymers.

http://chemistry.about.com/science/chemistry/cs/polychemfacts/index.htm
Web page with links to polymer related topics including nomenclature.

http://dev.pacsci.org/public/education/champions/polymers/history.html
Virtual text about polymers.

http://www.fibersource.com/fiber.html
Virtual text about polymers and fybers.

http://www.mse.cornell.edu/engri111/index.htm
Interactive text of Cornell University for materials science teaching.

http://www.cha4mot.com/e_lc_nyl.html
Web page about nylon history, chemistry, properties, etc.

http://crac3.ch.kcl.ac.uk/kclchem/staff/arr/snake.htm
Class notes ofl Prof. Rennie, Cambridge University about polymer physics.

http://www.umr.edu/~wlf/CHEM381/
Interactive class notes of Prof. Stoffer and col., Missouri-Rolla University.

http://www.eng2.uconn.edu/cheg/polymer/c256hnp.htm
Notes about extrusion of  Porf. Bridge, Connecticut University.

http://www.eng.uc.edu/~gbeaucag/Classes/*.*
Interactive class notes about morphology, analyses, physics and characterization of polymers. Prof. Beaucage, Cincinnati University.

http://matse1.mse.uiuc.edu/polymers/polymers.html
Interactive class notes about polymers. Illinois University. Urbana/Champaign.

http://www.scientificpolymer.com/Resources/
Table with polymer properties and additives.

http://romano.physics.wisc.edu/winokur/handbook/draft.htmli
Chapter about conductive polymers. Prof. Winokur, Wisconsin University.

http://me.mit.edu/2.01/Taxonomy/html/Materials.html
Web page about materials taxonomy. L.L.Bucciarelli y M.I. Syed del MIT.

http://www.chem.ufl.edu/~itl/4411L_f96/rubber/rubber.html
Elastomers thermodynamics. Prof. K.R. Williams, Florida University.

http://www.deepwell.com/ccimino/demos.html
Physics and Chemistryl experiments (instructions included).

http://the-tech.mit.edu/chemicool
Information about chemical elements.

http://neon.chem.ox.ac.uk/vrchemistry/default.html
Some interactive chemistry experiments 

http://www.aaas.org/
Science-on-line

http://sol.ultralab.anglia.ac.uk/pages/schools_online/science/scinde.htm
Physics and Chemistry experiments with instructions. Some of them are unknown and very original.

http://www.cems.umn.edu/~aiche_ug/history/h_intro.html
Studies about Engeeniering and Chemical Technology.

http://www.anachem.umu.se/eks/pointers.htm
Chemistry teaching resources.  

http://www-hpcc.astro.washington.edu/scied/chemistry.html
Chemistry teaching resources.

http://webserver.lemoyne.edu/faculty/giunta/papers.html
Documents about chemistry. 

http://vax1.bemidji.msus.edu/~chemistry/chemhome.html
Chemistry exercises.

http://library.thinkquest.org/3659/
Virtual text on chemistry about different topics. 

http://edie.cprost.sfu.ca/~rhlogan/index.html
Pages, indexes and links to chemistry world.

http://www.chem.qmw.ac.uk/iupac/
About IUPAC nomenclature.

http://198.110.10.57/chemcom/index.html
Instruction program on Chemistry by The NSF.

http://personal5.iddeo.es/pefeco/index.html
Software about chemistry.