Results 81 to 90 of about 19,854 (229)

Influência das características estruturais sobre a processabilidade do polibutadieno alto cis Influence of structural characteristics on the high-cis polybutadiene processability

open access: yesPolímeros, 2004
Características físicas, tais como peso molecular, distribuição de peso molecular e ramificações, têm importância significativa na processabilidade do polibutadieno.
Ivana L. Mello   +3 more
doaj   +1 more source

Process for the leaching of AP from propellant [PDF]

open access: yes, 1980
A method for the recovery of ammonium perchlorate from waste solid rocket propellant is described wherein shredded particles of the propellant are leached with an aqueous leach solution containing a low concentration of surface active agent while ...
Mcintosh, M. J., Shaw, G. C.
core   +1 more source

Photochemistry of unsaturated polymers [PDF]

open access: yes
Radiation induced photochemical reactions in polyisoprene and polybutadiene thin films including microstructural ...
Golub, M. A.
core   +1 more source

"Synthesis and characterization of high vinyl star-shaped liquid polybutadiene"

open access: yesHecheng xiangjiao gongye
Using cyclohexane and n-hexane as solvents, butadiene as monomer, and n-butyllithium as initiator, star-shaped liquid polybutadiene was synthesized via arm-first method with di-tetrahydrofurfuryl propane (DTHFP) as structure regulator.
WANG Jiu-ju1,2, JIA Ting2, LIU Xiao-jie2, ZHAO Chang-yu1, LI Wei2, LI Long1
doaj   +1 more source

Structure-property relationships in low-temperature adhesives [PDF]

open access: yes
Adhesive materials of aliphatic polyester, linear hydroxyl end-capped polybutadienes, or SBS block copolymers are studied with the objective to replace conventional partially aromatic end-reactive polyester-isocyanate adhesives that have shown ...
Gillham, J. K., Schoff, C. K., Udipi, K.
core   +1 more source

Development of low viscosity alkane-based urethane for connector potting applications [PDF]

open access: yes
Two series of saturated hydrocarbon-based urethanes were prepared with isophorone diisocyanate and one series with methyl bis (4-cyclohexyl isocyanate).
Morris, D. E.
core   +1 more source

Elastomer Compound Developed for High Wear Applications [PDF]

open access: yes, 1993
The U.S. Army is currently spending 300 million dollars per year replacing rubber track pads. An experimental rubber compound has been developed which exhibits 2 to 3 times greater service life than standard production pad compounds.
Crawford, D.   +5 more
core   +1 more source

Mechanical and dielectric relaxation spectra in seven highly viscous glass formers

open access: yes, 2007
Published dielectric and shear data of six molecular glass formers and one polymer are evaluated in terms of a spectrum of thermally activated processes, with the same barrier density for the retardation spectrum of shear and dielectrics.
Andrade   +30 more
core   +1 more source

Study of advanced bladder technology, OF2 diborane Final report, 2 Sep. 1969 - 1 Jul. 1970 [PDF]

open access: yes
Development and characteristics of elastomeric materials for positive expulsion ...
Jones, J. F., Martin, J. W., Neff, J. A.
core   +1 more source

Assortative mixing in close-packed spatial networks [PDF]

open access: yes, 2010
Background In recent years, there is aroused interest in expressing complex systems as networks of interacting nodes. Using descriptors from graph theory, it has been possible to classify many diverse systems derived from social and physical sciences ...
Atılgan, Ali Rana   +4 more
core  

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