Results 361 to 370 of about 628,978 (424)
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Journal of Applied Polymer Science, 1995
AbstractTransparent, X‐ray contrast (radiopaque) epoxy resins were obtained by dissolving up to 25 wt % triphenylbismuth in the commercial epoxy resin prepolymers EPON‐815, DER‐330, DER‐383, and DEN‐431 which were then hardened with diethylenetriamine.
Israel Cabasso +2 more
openaire +2 more sources
AbstractTransparent, X‐ray contrast (radiopaque) epoxy resins were obtained by dissolving up to 25 wt % triphenylbismuth in the commercial epoxy resin prepolymers EPON‐815, DER‐330, DER‐383, and DEN‐431 which were then hardened with diethylenetriamine.
Israel Cabasso +2 more
openaire +2 more sources
Industrial & Engineering Chemistry Research, 2018
Achieving both higher performance and faster recycling is the target of developing self-healable and malleable epoxy resins. Herein, 1,4,5-oxadithiepane-2,7-dione (DSAA) was synthesized to be the cocuring agent with methylhexahydrophthalic anhydride for ...
Youhao Zhang, L. Yuan, G. Liang, A. Gu
semanticscholar +1 more source
Achieving both higher performance and faster recycling is the target of developing self-healable and malleable epoxy resins. Herein, 1,4,5-oxadithiepane-2,7-dione (DSAA) was synthesized to be the cocuring agent with methylhexahydrophthalic anhydride for ...
Youhao Zhang, L. Yuan, G. Liang, A. Gu
semanticscholar +1 more source
Potential Lignin-Derived Alternatives to Bisphenol A in Diamine-Hardened Epoxy Resins
ACS Sustainable Chemistry and Engineering, 2018This work details the synthesis and characterization of potentially lignin-derived bisguaiacols as alternatives to petroleum-derived bisphenol A (BPA) in diamine-cured epoxy resins.
Kaleigh H Nicastro +2 more
semanticscholar +1 more source
1995
Publisher Summary This chapter focuses on a study that was conducted to test for bond strength on a representative matrix of commonly used plastics and the adhesives best suited to them. The study concentrates on epoxy resin. The block-shear (ASTM D 4501) test was chosen as the test method because it places the load on a thicker section of the test ...
openaire +3 more sources
Publisher Summary This chapter focuses on a study that was conducted to test for bond strength on a representative matrix of commonly used plastics and the adhesives best suited to them. The study concentrates on epoxy resin. The block-shear (ASTM D 4501) test was chosen as the test method because it places the load on a thicker section of the test ...
openaire +3 more sources
Journal of Applied Polymer Science, 1993
AbstractThe curing behavior of epoxy resins prepared by reacting epichlorohydrin with 4,4′‐diaminodiphenyl methane (DADPM)/4,4′‐diaminodiphenyl ether (DADPE) or 4,4′‐diaminodiphenyl sulfone (DDS) was investigated using DDS and tris‐(m‐aminophenyl)phosphine oxide (TAP) as curing agents.
I. K. Varma +2 more
openaire +2 more sources
AbstractThe curing behavior of epoxy resins prepared by reacting epichlorohydrin with 4,4′‐diaminodiphenyl methane (DADPM)/4,4′‐diaminodiphenyl ether (DADPE) or 4,4′‐diaminodiphenyl sulfone (DDS) was investigated using DDS and tris‐(m‐aminophenyl)phosphine oxide (TAP) as curing agents.
I. K. Varma +2 more
openaire +2 more sources
Vanillin-Derived High-Performance Flame Retardant Epoxy Resins: Facile Synthesis and Properties
, 2017Lignin derivative vanillin when coupled with diamines and diethyl phosphite followed by reaction with echichlorohydrin yields high-performance flame retardant epoxy resins. Biorenewable and environment-friendly flame retardant alternatives to bisphenol A
Sheng Wang +10 more
semanticscholar +1 more source
An investigation of epoxy resin dies
The Journal of Prosthetic Dentistry, 19801. Complete crown epoxy resin dies are undersized. 2. MOD onlay epoxy resin dies are accurate. 3. Detail duplication of epoxy resin dies is comparable to that of die stone. 4. Hardness values of epoxy resin are generally less than those of die stone. The hardness of Epoxydent closely approached that of die stone.
Gerald T. Nomura +2 more
openaire +3 more sources
Renewable Cardanol-Based Phosphate as a Flame Retardant Toughening Agent for Epoxy Resins
, 2017A biobased flame retardant toughening agent, phosphaphenanthrene groups-containing triscardanyl phosphate (PTCP), was successfully synthesized via debydrochlorination, epoxidation and ring opening reaction from renewable resource cardanol.
Xin Wang +6 more
semanticscholar +1 more source
Embedding in epoxy resins for ultrathin sectioning in electron microscopy.
Stain Technology, 1960Fixed tissue is dehydrated with tertiary butyl alcohol overnight. The following day it is cleared in toluene, infiltrated and embedded in Araldite resin-hardener-accelerator mixture without dibutyl phthalate, and polymerized at 60° C.
K. C. Richardson, L. Jarett, E. Finke
semanticscholar +1 more source
Biobased Epoxy Resins from Deconstructed Native Softwood Lignin.
Biomacromolecules, 2017The synthesis of novel epoxy resins from lignin hydrogenolysis products is reported. Native lignin in pine wood was depolymerized by mild hydrogenolysis to give an oil product that was reacted with epichlorohydrin to give epoxy prepolymers.
Daniel J. van de Pas, K. Torr
semanticscholar +1 more source