Zobrazeno 1 - 7
of 7
pro vyhledávání: '"V. Z. Maslosh"'
Publikováno v:
Russian Journal of Applied Chemistry. 86:841-844
The possibility of reducing the content of free formaldehyde in urea-formaldehyde resin by introducing into the final resin composition of diphthalic and dimaleic acids amides was studied. It was found that the amides synthesized are able to particip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d127e72465c70f44d8925fd01f68d530
https://doi.org/10.1134/s1070427213060098
https://doi.org/10.1134/s1070427213060098
Publikováno v:
Russian Journal of Applied Chemistry. 76:483-486
The influence of preparation conditions on the structure of low-toxic urea-formaldehyde resins and the possibility of preparing resins of linear-branched structure and resins containing urone rings were examined.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a70c7a10d198ea97ecc8212c6d14a8c
https://doi.org/10.1023/a:1025629507584
https://doi.org/10.1023/a:1025629507584
Publikováno v:
Russian Journal of Applied Chemistry. 81:901-903
The effect of acetylacetone and ammonia in urea-formaldehyde resins on the reactions occurring in their presence was examined. The formation of 2,6-dimethyl-3,5-diacetyl-l,4-dihydropyridine in urea-formaldehyde resins was confirmed by 1H NMR spectros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20fe36a76dfedcc4546fe38b732c53b7
https://doi.org/10.1134/s1070427208050388
https://doi.org/10.1134/s1070427208050388
Publikováno v:
Russian Journal of Applied Chemistry. 79:2022-2024
A zero-discharge procedure was suggested for preparing urea-formaldehyde resins by poly-condensation of urea, formaldehyde, and dimethylolurea at variable pH, with urea added continuously or in a single portion.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f856a3b8fbcdc067e06b34b927f92bad
https://doi.org/10.1134/s1070427206120226
https://doi.org/10.1134/s1070427206120226
Publikováno v:
Russian Journal of Applied Chemistry. 78:685-687
The possibility of decreasing the content of free formaldehyde in urea-formaldehyde resins by varying the pH and urea-formaldehyde ratio in various synthesis steps was examined. Urea-formaldehyde resins containing no free formaldehyde were prepared.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9d98b9c1adfbca820b557dcb8932c59
https://doi.org/10.1007/s11167-005-0371-3
https://doi.org/10.1007/s11167-005-0371-3
Publikováno v:
Russian Journal of Applied Chemistry. 75:1369-1370
The effect of small additions of acetylacetone and ammonia to urea-formaldehyde resin is considered. The occurring processes, involving the formation of 2,6-dimethyl-3,5-diacetyl-1,4-dihydropyridine and condensation of this compound and acetylacetone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::849be85b11cc78e754302d0defc197b1
https://doi.org/10.1023/a:1020902103860
https://doi.org/10.1023/a:1020902103860
Publikováno v:
Chemischer Informationsdienst. 17
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce7116c059ed4a81d3c5ce6aed312e24
https://doi.org/10.1002/chin.198651071
https://doi.org/10.1002/chin.198651071