نتایج جستجو برای: propylene glycol
تعداد نتایج: 26267 فیلتر نتایج به سال:
New polyurethane compositions with polyols based on propylene glycol and glycerin have been studied. The technological parameters of the adhesive composition were determined: start time, gelation life (tack-free) time. for maximum elasticity line has developed.
patient developed occupational dermatitis from butylene glycol in a soap (9, 10). 2 large-scale group studies, including 364 and 272 patients, give frequencies of contact allergy to 1,3-butylene glycol of 0.4% and 1.1%, respectively, of patients tested (1, 2). Although 1,3-butylene glycol has been considered a safe cosmetic ingredient and a rare contact allergen, we suggest that allergy to it w...
A microbial consortium (EG-c) capable of degrading high concentrations of glycol-based waste was isolated from soil enrichments. The isolate primarily responsible for glycol degradation was a gram-negative rod (EG-y) that produced a water-soluble pigment. Initial laboratory experiments measured the degradation of ethylene glycol (EG) and propylene glycol (PG) at 25OC. Cell biomass optical densi...
Past studies on the toxicological effects of ethylene glycol alkyl ethers as well as the recent data on these chemicals in Japan are reviewed. Only a few researchers have participated in the study of ethylene glycol alkyl ethers in Japan. The effects of ethylene glycol alkyl ethers on testis and embryotoxic effects of ethylene glycol monomethyl ether (EGM) have been studied, as has the teratoge...
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