Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Joseph W. Holubka"'
Publikováno v:
Journal of Coatings Technology. 72:39-45
This paper focuses on defining the reaction mechanism involved in the environmental etch of acrylic melamine-based automotive clearcoats via an identification of reaction products. This has been accomplished through a comparative study of products fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f44a99a8eb3267b64a0760da7269867
https://doi.org/10.1007/bf02698018
https://doi.org/10.1007/bf02698018
Autor:
Larry P. Haack, Joseph W. Holubka
Publikováno v:
Journal of Coatings Technology. 72:63-70
The interplay of bake oven processing environment and surface/interfacial chemistry, and their effect on intercoat adhesion has been investigated for a model primer/electrocoat paint system. X-ray photoelectron spectroscopy (XPS) surface analysis est
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7777e30166844c4c15089e1452c7576b
https://doi.org/10.1007/bf02697988
https://doi.org/10.1007/bf02697988
Publikováno v:
Journal of Coatings Technology. 72:53-61
A laboratory test procedure was developed to quantitatively evaluate the acid etch resistance of automotive clearcoats. Here we attempt to verify that the conditions used in the laboratory test reproduce the field degradation chemistry to assure that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd54a5e8b8c4cd0f9434fc9bd9ddc25b
https://doi.org/10.1007/bf02698005
https://doi.org/10.1007/bf02698005
Publikováno v:
Journal of Coatings Technology. 72:77-82
This paper reports on the development of a laboratory test procedure for the evaluation of the environmental etch resistance of clearcoats. The test evaluates the bulk acid hydrolysis resistance of clearcoats by gravimetrically following material wei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa2ce914b07c857a05d6e046a245b3b0
https://doi.org/10.1007/bf02697992
https://doi.org/10.1007/bf02697992
Autor:
Joseph W. Holubka, Alekh S. Bhurke, Lawrence T. Drzal, Ming Xie, Larry P. Haack, Ann Marie Straccia
Publikováno v:
Surface and Interface Analysis. 29:829-836
Surface modification using UV/ozone was explored as an approach towards ensuring robust intercoat adhesion in multilayered automotive coating systems. This study was directed toward reducing the variability in adhesion performance associated with cha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acce16b466e1bb68908d3b3d0f9d76b4
https://doi.org/10.1002/1096-9918(200012)29:12<829::aid-sia936>3.0.co
https://doi.org/10.1002/1096-9918(200012)29:12<829::aid-sia936>3.0.co
Publikováno v:
Surface and Interface Analysis. 25:643-649
In this study we evaluate the utility of using x-ray-excited valence band measurements for the determination of the surface composition of simple model thermoplastic olefin systems composed of binary blends of semicrystalline polypropylene (PP) and a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54496cb98f82e73e35cb6df765335533
https://doi.org/10.1002/(sici)1096-9918(199708)25:9<643::aid-sia267>3.0.co
https://doi.org/10.1002/(sici)1096-9918(199708)25:9<643::aid-sia267>3.0.co
Autor:
J. E. deVries, Larry P. Haack, Joseph W. Holubka, John L. Gerlock, Ray A. Dickie, T. J. Prater, S. L. Kaberline, J. Chakel
Publikováno v:
Progress in Organic Coatings. 25:95-108
Two examples of recent advances in spatially resolved surface analytical characterization of paint and adhesive chemistries are presented. The examples extend previous analytical capabilities by combining the molecular specificity and bonding informa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63be216337ca6650de7e287711192342
https://doi.org/10.1016/0300-9440(94)00505-2
https://doi.org/10.1016/0300-9440(94)00505-2
Autor:
Joseph W. Holubka, H. Bernhard Schlegel, Jose L. Andres, Julia E. Winter, James C. Ball, Robert D. Bach
Publikováno v:
Journal of Adhesion Science and Technology. 8:249-259
The interactions between paint/adhesive polymers and metal surfaces that are critical for adhesion have been studied theoretically. This study used zinc oxide as a model of a galvanized steel surface, and ammonia, water, and ethylene as models for am
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab51a30ad863d3bf3ba9c20e04aacc1b
https://doi.org/10.1163/156856194x01095
https://doi.org/10.1163/156856194x01095
Publikováno v:
Macromolecules. 25:1189-1192
Molecular orbital calculations show that a water molecule exerts a significant catalytic activity upon the rate of oxirane cleavage by the nucleophile. The trend established upon going from no proton donor, to weakly acidic water, to a fully protonat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::744153cab79104ec537992a645b6d108
https://doi.org/10.1021/ma00029a028
https://doi.org/10.1021/ma00029a028
Autor:
Joseph W. Holubka, Joseph J. W. McDouall, James C. Ball, Amy L. Owensby, H. Bernhard Schlegel, Robert D. Bach
Publikováno v:
Journal of Physical Organic Chemistry. 4:125-134
Ab initio MO methods have been used to study the structures and energetics of dicyandiamide, [(NH2)2CNCN], its isomers, protonated species, radical anions, transition structures for internal conformational change and transition structures for isomeri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc1b45c17645f15970286de6f50b0337
https://doi.org/10.1002/poc.610040302
https://doi.org/10.1002/poc.610040302